Educational interventions to prevent urinary infections in institutionalized elderly people. Quasi-experimental Study / Intervención educativa para prevenir las infecciones urinarias en ancianos institucionalizados. Estudio cuasi-experimental / Intervenção educativa para prevenção de infecções urinárias de idosos institucionalizados. Estudo quase-experimental

Objective. To analyze the effectiveness of an educational intervention among nursing professionals and caregivers to prevent urinary tract infections in institutionalized elderly people. Methods. this is a quasi-experimental study carried out with 20 people (7 nurses and 13 formal caregivers). A questionnaire was applied during the pre-intervention stage, then professional training was carried out and finally, the questionnaire was reapplied 6 months after the intervention. The prevalence profile and factors associated with urinary infections in 116 elderly people was evaluated before and after the educational interventions. Statistical analysis was performed using association and correlation tests, logistic regression model comparison and prevalence rates. Results. The average number of correct answers by the nursing professionals Invest Educ Enferm. 2024; 42(1): e05Educational interventions to prevent urinary infections in institutionalized elderly people. Quasi-experimental Studyand caregivers after the educational intervention increased from the pre to the post-test by 52% regarding signs of urinary infection, 32% regarding its symptoms, 72.5% regarding its treatment, 40% regarding personal/behavioral and morbidity-related risk factors, 59% regarding conditional factors and 43.8% regarding its preventive measures. The team of caregivers showed a greater gain in knowledge compared to the nursing team in almost every question (p<0.05). The length of time working in elderly care showed no positive correlation with any variable (R<1; p>0.05). The prevalence of urinary tract infection in the pre-intervention period was 33.62%, and 20% in the post-intervention period. Conclusion.The educational intervention was effective in preventing urinary tract infections in the elderly. The increased knowledge acquired by nurses and caregivers was associated with a reduction in the infection rate and an improvement in the most prevalent modifiable factors for the development of this type of pathology

Objetivo. Analizar la eficacia de una intervención educativa con profesionales de enfermería y cuidadores para prevenir las infecciones urinarias en ancianos institucionalizados. Métodos. Estudio cuasi-experimental realizado con 20 personas (7 enfermeros y 13 cuidadores formales). Se aplicó un cuestionario antes de la intervención, se llevó a cabo la capacitación de los enfermeros y se volvió a aplicar el cuestionario 6 meses después de la intervención. Se evaluó el perfil de prevalencia de las infecciones urinarias y los factores asociados de 116 ancianos antes y después de las intervenciones educativas. En el análisis estadístico se utilizaron pruebas de asociación y correlación, comparación de modelos de regresión logística y tasas de prevalencia. Resultados. El promedio de respuestas correctas del equipo de enfermería y de los cuidadores tras la intervención educativa aumentó del pre al post-test en un 52% con los signos de infección urinaria, un 32% con los síntomas, un 72.5% con el tratamiento, y un 40% con los factores de riesgo personales/conductuales y los relacionados con la morbilidad, un 59% con los factores condicionales y un 43.8% con las medidas preventivas. El equipo de cuidadores mostró una mayor aprehensión de conocimientos en relación al equipo de enfermería en casi todas las preguntas (p<0.05). El tiempo dedicado al cuidado de ancianos no mostró correlación positiva con ninguna variable (R<1; p>0.05). La prevalencia de infección urinaria en el período pre-intervención fue del 33.62% y en el post-intervención del 20%. Conclusión. La intervención educativa fue eficaz en la prevención de las infecciones urinarias en ancianos. El aumento de conocimientos adquiridos por los enfermeros y por los cuidadores se relacionó con la reducción de la tasa de infecciones y el mejoramiento de los factores modificables más prevalentes para desarrollar este tipo de patología.

Objetivo. Analisar a efetividade de intervenção educativa com profissionais de enfermagem e cuidadores para prevenção de infecções do trato urinário de idosos institucionalizados. Métodos. Estudo quase experimental realizado com 20 pessoas (7 enfermeiros e 13 cuidadores formais). Aplicou-se questionário na pré-intervenção, realizou-se capacitação dos profissionais e reaplicação do questionário 6 meses pós-intervenção. O perfil de prevalência de infecções urinárias e fatores associados de 116 idosos foi avaliado antes e após as intervenções educativas. Na análise estatística utilizou-se testes de associação e de correlação, comparação de modelos de regressão logística e de taxas de prevalência. Resultados. A média de acertos da equipe de enfermagem e de cuidadores, após intervenção educativa, aumentou do pré para o pós-teste em 52% com relação aos sinais de infecção urinária, 32% a sintomas, 72.5% tratamento, e 40% sobre fatores de risco pessoais/comportamentais e relacionados a morbidade, 59% a fatores condicionais e 43,8% sobre medidas preventivas. A equipe de cuidadores apresentou maior ganho de conhecimento em relação à equipe de enfermagem em quase todas as questões (p<0.05). O tempo de cuidado com idoso não apresentou correlação positiva com nenhuma variável (R<1; p>0.05). A prevalência de infecção do trato urinário no período pré-intervenção foi de 33.62% e pós intervenção 20%. Conclusão. A intervenção educativa foi efetiva na prevenção às infecções do trato urinário dos idosos. O aumento do conhecimento adquirido por enfermeiros e cuidadores foi associado à redução da taxa de infecções e à melhoria dos fatores modificáveis mais prevalentes para o desenvolvimento desse tipo de patologia.

Automatic detection and classification of disease in citrus fruit and leaves using a customized CNN based model / Detección y clasificación automática de enfermedades en frutas y hojas de cítricos utilizando un modelo basado en CNN personalizado

India's commercial advancement and development depend heavily on agriculture. A common fruit grown in tropical settings is citrus. A professional judgment is required while analyzing an illness because different diseases have slight variati ons in their symptoms. In order to recognize and classify diseases in citrus fruits and leaves, a customized CNN - based approach that links CNN with LSTM was developed in this research. By using a CNN - based method, it is possible to automatically differenti ate from healthier fruits and leaves and those that have diseases such fruit blight, fruit greening, fruit scab, and melanoses. In terms of performance, the proposed approach achieves 96% accuracy, 98% sensitivity, 96% Recall, and an F1 - score of 92% for ci trus fruit and leave identification and classification and the proposed method was compared with KNN, SVM, and CNN and concluded that the proposed CNN - based model is more accurate and effective at identifying illnesses in citrus fruits and leaves.

El avance y desarrollo comercial de India dependen en gran medida de la agricultura. Un tipo de fruta comunmente cultivada en en tornos tropicales es el cítrico. Se requiere un juicio profesional al analizar una enfermedad porque diferentes enfermedades tienen ligeras variaciones en sus síntomas. Para reconocer y clasificar enfermedades en frutas y hojas de cítricos, se desarrolló e n esta investigación un enfoque personalizado basado en CNN que vincula CNN con LSTM. Al utilizar un método basado en CNN, es posible diferenciar automáticamente entre frutas y hojas más saludables y aquellas que tienen enfermedades como la plaga de frutas , el verdor de frutas, la sarna de frutas y las melanosis. En términos de desempeño, el enfoque propuesto alcanza una precisión del 96%, una sensibilidad del 98%, una recuperación del 96% y una puntuación F1 del 92% para la identificación y clasificación d e frutas y hojas de cítricos, y el método propuesto se comparó con KNN, SVM y CNN y se concluyó que el modelo basado en CNN propuesto es más preciso y efectivo para identificar enfermedades en frutas y hojas de cítricos.

Effect of Long-term Peripheral Nerve Stimulation on Neuro-Muscular Complex Morphologic Recovery in Experiment / Efecto de la Estimulación del Nervio Periférico a Largo Plazo sobre la Recuperación Morfológica del Complejo Neuromuscular en Experimento

SUMMARY: Peripheral nerve injury is an extremely important medical and socio-economic problem. It is far from a solution, despite on rapid development of technologies. To study the effect of long-term electrical stimulation of peripheral nerves, we used a domestically produced electrical stimulation system, which is approved for clinical use. The study was performed on 28 rabbits. Control of regeneration was carried out after 3 month with morphologic techniques. The use of long-term electrostimulation technology leads to an improvement in the results of the recovery of the nerve trunk after an injury, both directly at the site of damage, when stimulation begins in the early period, and indirectly, after the nerve fibers reach the effector muscle.

La lesión de los nervios periféricos es un problema médico y socioeconómico extremadamente importante. Sin embargo, y a pesar del rápido desarrollo de las tecnologías, aún no tiene solución. Para estudiar el efecto de la estimulación eléctrica a largo plazo de los nervios periféricos, utilizamos un sistema de estimulación eléctrica de producción nacional, que está aprobado para uso clínico. El estudio se realizó en 28 conejos. El control de la regeneración se realizó a los 3 meses con técnicas morfológicas. El uso de tecnología de electro estimulación a largo plazo conduce a una mejora en los resultados de la recuperación del tronco nervioso después de una lesión, tanto directamente en el lugar del daño, cuando la estimulación comienza en el período temprano, como indirectamente, después de que las fibras nerviosas alcanzan el músculo efector.

Hand Anthropometry of Italian Elite Male Swimmers / Antropometría de la Mano en Nadadores Italianos Masculinos de Élite

SUMMARY: Hand size is part of the anthropometric parameters that are assessed in swimmers to select elite athletes, as certain anthropometric relationships involving hand measurements are significantly correlated with sports performance in various swimming disciplines. The authors present the results of the anthropometric study carried out on the hands of 15 elite male Italian swimmers from to the Italian national open water swimming team. All swimmers participated at least once in World Cup and Absolute Italian Championships, winning at least one medal in their sporting career. In particular, the sample includes a medallist at the World Championships, a winner of the World Cup ultra swim marathon circuit and medallists at the European Championships. The sample consisted of 15 elite male swimmers with a mean age of 28.93 years. The following anthropometric measurements were taken on each athlete: Stature; weight; seven dimensions on each hand: hand length; hand breadth metacarpal; palm length; middle finger length; index finger length; thumb distance; and the distance from the thumb root to first flexure line of the index finger - trigger length. The size of the hands is an important factor in the swimmer's propulsion and push as a larger hand allows for greater support in the water and consequently generates more resistance. The anthropometric characteristics of the hands of Italian swimmers are missing from the anthropometric data already reported in the literature and can be used to make comparisons with elite athletes from other nations. Furthermore, anthropometric measurements could be used as predictors to estimate the swimmers' chance of success.

El tamaño de la mano es uno de los parámetros antropométricos que se evalúan en los nadadores para seleccionar a los deportistas de élite. Los autores presentan los resultados de un estudio antropométrico realizado en las manos de 15 nadadores italianos masculinos de élite pertenecientes al equipo nacional de natación en aguas abiertas. Todos los nadadores participaron al menos una vez en Copas del Mundo y Campeonatos de Italia, ganando al menos una medalla en su carrera deportiva. En concreto, la muestra incluye un medallista en los Campeonatos del Mundo, un ganador de la Copa del Mundo del circuito de ultra maratón de natación y medallistas en los Campeonatos de Europa. La muestra consta de 15 nadadores masculinos de élite con una edad media de 28,93 años. Se tomaron las siguientes medidas antropométricas a cada atleta: estatura; peso; siete dimensiones en cada mano: longitud de la mano, anchura de la mano en el metacarpiano, longitud de la palma, longitud del primer, segundo y tercer dedo, distancia entre la raíz del primer dedo y la primera línea de flexión del segundo dedo. El tamaño de las manos es un factor importante para la propulsión y el empuje del nadador, ya que una mano más grande permite un mayor apoyo en el agua y, en consecuencia, genera más resistencia. Las características antropométricas de las manos de los nadadores italianos faltan en los datos antropométricos recolectados en la literatura y pueden utilizarse para hacer comparaciones con los atletas de élite de otras naciones. Además, las medidas antropométricas podrían utilizarse como predictores para estimar las posibilidades de éxito de los nadadores.

Cuidados de enfermagem no banho de aspersão em instituição de longa permanência: revisão integrativa / Nursing care in the spray bath in a long-term care institution: integrative review

Identificar os cuidados de enfermagem necessários para o banho de aspersão seguro para idosos no quotidiano de uma instituição de longa permanência. Método: Revisão Integrativa da literatura, recorte entre 2001 e 2022. Os dados dos estudos incluídos resultaram em uma síntese descritiva, fundamentada na Teoria das Necessidades Humanas Básicas. Resultados: Obteve-se 13 estudos sobre cuidados no banho com e sem auxílio, envolvendo o equilíbrio psicobiológico, psicossocial e psicoespiritual, remoção de barreiras ambientais, adaptação domiciliar, maneiras de abordagem, musicoterapia e cuidados com a integridade da pele, oportunizando segurança e qualidade nas ações prestadas. Conclusões: Os cuidados precisam estar integrados às necessidades humanas básicas, respeitando as peculiaridades do processo de envelhecimento e as fragilidades dos idosos mais vulneráveis. A qualificação dos profissionais de enfermagem/cuidadores formais visa a padronização da execução do procedimento e a redução de ocorrência de desvios de procedimento.(AU)

To identify the nursing care necessary for safe spray baths for elderly people in daily life in a long-term care institution. Method: Integrative literature review, cut between 2001 and 2022. Data from the included studies resulted in a descriptive synthesis, based on the Theory of Basic Human Needs. Results: 13 studies were obtained on bath care with and without assistance, involving psychobiological, psychosocial and psychospiritual balance, removal of environmental barriers, home adaptation, approaches, music therapy and care for the integrity of the skin, providing safety and quality in the actions provided. Conclusions: Care needs to be integrated with basic human needs, respecting the peculiarities of the aging process and the weaknesses of the most vulnerable elderly people. The qualification of nursing professionals/formal caregivers aims to standardize the execution of the procedure and reduce the occurrence of procedural deviations.(AU)

Identificar los cuidados de enfermería necesarios para baños de aspersión seguros para personas mayores en la vida diaria en una institución de cuidados a largo plazo. Método: Revisión integrativa de la literatura, cortada entre 2001 y 2022. Los datos de los estudios incluidos resultaron en una síntesis descriptiva, basada en la Teoría de las Necesidades Humanas Básicas. Resultados: Se obtuvieron 13 estudios sobre cuidados del baño con y sin asistencia, involucrando equilibrio psicobiológico, psicosocial y psicoespiritual, remoción de barreras ambientales, adaptación domiciliaria, abordajes, musicoterapia y cuidado de la integridad de la piel, brindando seguridad y calidad en las acciones. proporcionó. Conclusiones: Los cuidados deben integrarse con las necesidades humanas básicas, respetando las peculiaridades del proceso de envejecimiento y las debilidades de las personas mayores más vulnerables. La calificación de los profesionales de enfermería/cuidadores formales tiene como objetivo estandarizar la ejecución del procedimiento y reducir la ocurrencia de desviaciones procesales.(AU)

The "Phase Down" of Dental Amalgam Restorations - What are the Criteria for Replacement and Indication?

ABSTRACT Objective: To guide professionals about the criteria for replacing amalgam restorations and inform them about the new guidelines regarding the use/indication of this (amalgam) material after the Minamata Convention - COP-4. Material and Methods: The articles were selected from the databases (PubMed, Scielo, Bireme), and relevant articles on the subject between the years 2003-2021 were selected. Recently, social media have been flooded with dental treatments that aim to perform restorations only with composite resins or other types of esthetic material and completely replace all dental amalgam restorations, irrespective of their time in place, size, and functionality. Results: Although improperly, it has been noted that this information reaches patients, and they are led to believe in the inaccurate data that is passed on, such as, for example, (that amalgam leads to) permanent contamination by mercury, causing systemic problems and the loss of the tooth. Conclusion: The "phase down" of amalgam in research and teaching has previously been observed in several countries worldwide; however, its use is still necessary given particular circumstances, which, theoretically, make it a material with exact indication.

Construção e validação de conteúdo de instrumento de autoavaliação da qualidade do cuidado em instituição de longa permanência para pessoas idosas / Development and content validation for a self-assessment instrument of care quality in long-term care facilities for older adults

Resumo Objetivo Desenvolver e realizar a validação de conteúdo de um instrumento de autoavaliação da qualidade do cuidado em Instituições de Longa Permanência para Idosos (ILPI), denominado QualificaILPI. Método Estudo metodológico realizado entre março e dezembro de 2021. O instrumento foi desenvolvido com base em modelo multidimensional de qualidade, legislação brasileira e pesquisa bibliográfica e contém padrões de qualidade para autoavaliação das ILPI nas dimensões: ambiente, lar, cuidado, envolvimento familiar e da comunidade, equipe de trabalho e gestão. Cada padrão é descrito e seguido por uma escala, com parâmetros para classificar o nível de qualidade da ILPI em incipiente, intermediário, consolidado. A Técnica Delphi modificada foi empregada para validação por um comitê de 10 especialistas quanto a pertinência do padrão para avaliação da qualidade da ILPI, da adequação dos objetivos e da escala de avaliação, clareza, podendo fazer comentários. O padrão foi mantido quando houve 75% de concordância entre os especialistas. O instrumento foi também avaliado pelo público-alvo, constituído por coordenadores de 10 ILPI, selecionadas por conveniência. Resultados No primeiro ciclo de avaliação, foram excluídos três padrões e dois novos foram criados. No segundo, alterou-se a dimensão de um padrão e dois padrões foram unidos. Ao final, permaneceram 29 padrões divididos em seis dimensões. O público-alvo, gestores de ILPI, sugeriu alterações na redação de alguns padrões. Houve consenso de 80% ou superior em todos os padrões. Conclusão O QualificaILPI poderá contribuir para o monitoramento das ILPI favorecendo a melhoria do cuidado ofertado aos residentes.

Abstract Objective To develop and validate the content of a self-assessment instrument for the quality of care in Long-Term Care Facilities for Older Adults (Instituições de Longa Permanência para Idosos - ILPIs), named QualificaILPI. Method A methodological study conducted between March and December 2021. The instrument was developed based on a multidimensional quality model, Brazilian legislation, and literature research. It contains quality standards for self-assessment of ILPIs in the dimensions of environment, home, care, family and community involvement, work team, and management. Each standard is described and followed by a scale with parameters to classify the level of ILPI quality as incipient, intermediate, or consolidated. The modified Delphi Technique was employed for validation by a committee of 10 experts regarding the relevance of the standard for ILPI quality assessment, the appropriateness of objectives, the evaluation scale, and clarity, allowing for comments. The standard was retained when there was 75% agreement among the experts. The instrument was also evaluated by the target audience, consisting of coordinators from 10 ILPIs selected for convenience. Results In the first assessment cycle, three standards were excluded, and two new ones were created. In the second cycle, the dimension of one standard was changed, and two standards were combined. In the end, 29 standards remained, divided into six dimensions. The target audience, ILPI managers, suggested changes in the wording of some standards. There was a consensus of 80% or higher for all standards. Conclusion QualificaILPI has the potential to contribute to monitoring ILPIs, promoting the improvement of care offered to residents.

Aprendizaje autónomo en la educación a distancia en estudiantes de Psicopedagogía durante la COVID-19: una revisión sistemática

Introducción: Durante la COVID-19, la educación a distancia fue una oportunidad para el ejercicio del autoaprendizaje en salud mediante el uso de recursos electrónicos, con el dinamismo e impulso del aprendizaje autodidacta mediante el uso de las TIC. Objetivo: Valorar a través de una revisión sistemática el comportamiento del aprendizaje autónomo en estudiantes de Psicopedagogía durante la pandemia por la COVID-19. Método: Se realizó una revisión sistemática en publicaciones entre los años 2020-2022, donde se identificaron 767 artículos en Scopus, 64 registros en SciELO y 759 en Google Scholar, luego de su procesamiento quedó una muestra de 52 artículos. Fueron recopilados: título, año, tipo de artículo, contexto, revista, indexación, tema, comentario, posible uso en el artículo, referencia bibliográfica y DOI. Las referencias bibliográficas se procesaron mediante el gestor bibliográfico Mendeley. Resultados: Se destacó el creciente acto investigativo acerca de las estrategias metodológicas de la autonomía en los aprendizajes en educación básica y con aspiraciones a efectuar estudios en salud, durante la pandemia por la COVID-19. El país con más producciones académicas sobre aprendizaje autónomo en educación básica fue Perú con cuatro, seguido de Ecuador con tres producciones científicas vinculadas a salud; también se encontraron investigaciones de otras latitudes. Conclusiones: El aprendizaje autónomo es una prioridad de vigencia actual, indispensable para responder a las demandas de una sociedad cambiante y compleja. En los países de Latinoamérica hubo creciente interés investigativo sobre aprendizaje autónomo en educación básica y que aspiraron a efectuar estudios en salud durante la pandemia por la COVID-19.

Introduction: During COVID-19, distance education was an opportunity to practice self-learning in health through the use of electronic resources, with the dynamism and promotion of self-taught learning through the use of ICT. Objective: To assess, through a systematic review, the behavior of autonomous learning in Psychopedagogy students during the COVID-19 pandemic. Method: A systematic review was carried out on publications between the years 2020-2022, where 767 articles were identified in Scopus, 64 records in SciELO and 759 in Google Scholar, after processing a sample of 52 articles remained. The following were collected: title, year, type of article, context, journal, indexing, topic, comment, possible use in the article, bibliographic reference and DOI. Bibliographic references were processed using the Mendeley bibliographic manager. Results: The growing research act was highlighted about the methodological strategies of autonomy in learning in basic education and with aspirations to carry out health studies, during the COVID-19 pandemic. The country with the most academic productions on autonomous learning in basic education was Peru with four, followed by Ecuador with three scientific productions linked to health; Research from other latitudes was also found. Conclusions: Autonomous learning is a current priority, essential to respond to the demands of a changing and complex society. In Latin American countries, there was growing research interest in autonomous learning in basic education and they aspired to carry out health studies during the COVID-19 pandemic.

Introdução: Durante a COVID-19, a educação a distância foi uma oportunidade para praticar a autoaprendizagem em saúde através do uso de recursos eletrônicos, com a dinamização e promoção da aprendizagem autodidata através do uso das TIC. Objetivo: Avaliar, por meio de uma revisão sistemática, o comportamento da aprendizagem autônoma em estudantes de Psicopedagogia durante a pandemia da COVID-19. Método: Foi realizada uma revisão sistemática sobre publicações entre os anos de 2020 a 2022, onde foram identificados 767 artigos na Scopus, 64 registros na SciELO e 759 no Google Acadêmico, após processamento permaneceu uma amostra de 52 artigos. Foram coletados: título, ano, tipo de artigo, contexto, periódico, indexação, tema, comentário, possível uso no artigo, referência bibliográfica e DOI. As referências bibliográficas foram processadas utilizando o gerenciador bibliográfico Mendeley. Resultados: Destacou-se a crescente atuação de pesquisa sobre as estratégias metodológicas de autonomia na aprendizagem na educação básica e com aspirações à realização de estudos em saúde, durante a pandemia de COVID-19. O país com mais produções acadêmicas sobre aprendizagem autônoma na educação básica foi o Peru com quatro, seguido pelo Equador com três produções científicas ligadas à saúde; Pesquisas de outras latitudes também foram encontradas. Conclusões: A aprendizagem autónoma é uma prioridade atual, essencial para responder às exigências de uma sociedade complexa e em mudança. Nos países latino-americanos, havia um crescente interesse de investigação na aprendizagem autónoma no ensino básico e aspiravam a realizar estudos de saúde durante a pandemia da COVID-19.

Institutional care in four Latin American countries: the importance of fostering public information and evaluation strategies / Atención en centros de cuidados a largo plazo en cuatro países de América Latina: importancia de fomentar la información pública y las estrategias de evaluación / Cuidados institucionais em quatro países da América Latina: a importância de promover informações públicas e estratégias de avaliação

ABSTRACT More than 8 million older people in Latin America depend on long-term care (LTC), accounting for 12% of people aged ≥ 60 years and almost 27% of those aged ≥ 80. It is crucial to develop sustainable strategies for providing LTC in the area, including institutional care. This special report aims to characterize institutional LTC in four countries (Brazil, Chile, Costa Rica and Mexico), using available information systems, and to identify the strategies adopted to support institutional care in these countries. This narrative review used nationwide, open-access, public data sources to gather demographic estimates and information about institutional LTC coverage and the availability of open-access data for the proportion of people with LTC needs, the number of LTC facilities and the number of residents living in them. These countries have a larger share of older people than the average in Latin America but fewer LTC facilities than required by the demand. National surveys lack standardization in defining disability, LTC and dependency on care. Information about institutional care is mainly fragmented and does not regularly include LTC facilities, their residents and workers. Data are crucial to inform evidence-based decisions to favor prioritization and to support advances in promoting policies around institutional LTC in Latin America. Although information about institutional care in the region is fragmented and insufficient, this paper profiles the four selected countries. It highlights the need for a better structure for data-driven LTC information systems. The lack of information emphasizes the urgency of the need to focus on and encourage research into this topic.

RESUMEN En América Latina, más de 8 millones de personas mayores dependen de los cuidados a largo plazo (CLP), lo que representa el 12% de las personas de 60 años o más y casi el 27% de las de 80 años o más Resulta crucial elaborar estrategias sostenibles para la prestación de CLP en la región, incluida la atención en centros de CLP. Este artículo especial tiene como finalidad determinar las características de la atención prestada en centros de CLP en cuatro países (Brasil, Chile, Costa Rica y México), utilizando los sistemas de información disponibles, así como determinar cuáles son las estrategias adoptadas en estos países para brindar apoyo a la atención en centros de CLP. En esta revisión descriptiva se utilizaron fuentes de datos públicas, de libre acceso y de ámbito nacional para recopilar estimaciones demográficas e información sobre la cobertura de la atención en centros de CLP, así como sobre la disponibilidad de datos de libre acceso acerca de la proporción de personas con necesidades de CLP, el número de centros de CLP y su correspondiente número de residentes. Estos países tienen una proporción de personas mayores superior a la media de América Latina, pero menos centros de CLP de los necesarios para cubrir la demanda. En las encuestas nacionales no hay una definición estandarizada de la discapacidad, los cuidados a largo plazo y la dependencia. La mayor parte de la información sobre la atención en centros de CLP está fragmentada y no incluye datos periódicos sobre los centros de CLP existentes, sus residentes o sus trabajadores. Estos datos son cruciales para fundamentar decisiones basadas en la evidencia destinadas a propiciar la priorización y brindar apoyo a los avances en la promoción de políticas en materia de centros de CLP en América Latina. Aunque la información sobre la atención en centros de CLP en la región es fragmentaria e insuficiente, en este artículo se presenta el perfil de los cuatro países seleccionados. Se resalta la necesidad de mejorar la estructura de los sistemas de información sobre CLP basados en datos. Esta falta de información pone de relieve la necesidad urgente de centrarse en este tema y fomentar la investigación al respecto.

RESUMO Na América Latina, mais de 8 milhões de pessoas idosas dependem de cuidados de longa duração (CLD), o que representa 12% das pessoas com mais de 60 anos e quase 27% das pessoas com mais de 80 anos. É fundamental criar estratégias sustentáveis para oferecer CLD na região, inclusive cuidados institucionais. O objetivo deste relatório especial é caracterizar CLD institucionais em quatro países (Brasil, Chile, Costa Rica e México), usando os sistemas de informação disponíveis, e identificar as estratégias adotadas para apoiar os cuidados institucionais nesses países. Esta revisão narrativa usou dados públicos de acesso aberto de âmbito nacional para coletar estimativas demográficas e informações sobre a cobertura de CLD institucionais e a disponibilidade de dados de acesso aberto sobre a porcentagem de pessoas com necessidades de CLD, o número de instituições de CLD e o número de residentes nessas instituições. Esses países têm uma parcela maior de pessoas idosas do que a média da América Latina, mas menos instituições de CLD do que a demanda exige. Falta padronização na definição de incapacidade, CLD e dependência de cuidados nas pesquisas nacionais. Em sua maior parte, as informações sobre cuidados institucionais são fragmentadas e não incluem instituições de CLD, seus residentes e trabalhadores de maneira regular. É essencial usar dados para guiar decisões baseadas em evidências a fim de favorecer a priorização e apoiar avanços que promovam políticas para CLD institucionais na América Latina. Embora as informações sobre cuidados institucionais na região sejam fragmentadas e insuficientes, este documento traça o perfil dos quatro países selecionados, destacando a necessidade de uma estrutura melhor para sistemas de informações de CLD orientados por dados. A falta de informações ressalta a urgência de aumentar o foco no tópico e encorajar pesquisas sobre o assunto.

Gravidade dos sintomas da covid-19 e qualidade de vida na covid longa: qual a relação em adultos e idosos? / Severity of covid-19 symptoms and quality of life in long covid: what is the relationship between adults and the elderly? / Gravedad de los síntomas de covid-19 y calidad de vida en long covid: ¿cuál es la relación entre adultos y ancianos?

Avaliar a relação entre gravidade dos sintomas da Covid-19 e qualidade de vida na Covid Longa em adultos e idosos. Trata-se de estudo transversal, prospectivo e multicêntrico, realizado com indivíduos com idade superior á 18 anos com Covid Longa, de ambos os sexos, acompanhados nas Clínicas Escolas da Universidade Paulista ­ UNIP. Foi aplicado uma ficha de avaliação, no qual foram coletadas informações como, dados pessoais, história clínica da Covid-19, e manejos da doença em relação a necessidade de oxigenoterapia, ventilação mecânica não invasiva (VNI) e invasiva (VM) e traqueostomia (TQT), bem como o questionário SF36 versão Brasileira. A pesquisa foi submetida e aprovada pelo CEP da Universidade Paulista ­ UNIP, parecer 4.894.652. Os adultos e idosos que foram internados tiveram pior qualidade de vida nos domínios capacidade funcional, vitalidade e saúde mental. Aqueles que utilizaram oxigenoterapia, VM e TQT, tiveram maior acometimento no domínio saúde mental e os indivíduos que utilizaram a VNI, tiveram pior pontuação no domínio capacidade funcional. Conclui-se que adultos e idosos com Covid Longa apresentaram pior qualidade de vida à longo prazo, sobretudo naqueles com maior gravidade dos sintomas da Covid-19, ou seja, que necessitaram de internação, oxigenoterapia, VNI, VM e traqueostomia.

To evaluate the relationship between the severity of Covid-19 symptoms and quality of life adults and elderly with Long Covid in. This is a cross-sectional, prospective and multicenter study, carried out with individuals aged over 18 years with Long Covid, of both gender, followed at the Clinic School of Universidade Paulista - UNIP. Infor-mations such as personal data, clinical history of Covid-19, and disease management in relation to used of oxygen therapy, non-invasive (NIV) and invasive mechanical ventila-tion and tracheostomy was collected. SF36 questionnaire version Brazilian was aplied to assess quality of life . Adults and elderly people who were hospitalized had a worse quality of life in functional capacity, vitality and mental health domains. Furthermore, those who used oxygen therapy, intubation and tracheostomy, had worse mental health. The individuals who used NIV had worse scores in domain capacity works. It is con-cluded that adults and elderly people with Long Covid had a worse quality of life in the long term, especially in those with more severe symptoms of Covid-19, that is, those who required hospitalization, oxygen therapy, invasive and non-invasive mechanical ventilation and tracheostomy.

Relacionar la gravedad de los síntomas de Covid-19 y la calidad de vida en adultos y ancianos con Largo Covid. Métodos: Se trata de un estudio transversal, prospectivo y multicéntrico, realizado con individuos mayores de 18 años con Largo Covid, de ambos sexos, seguidos en las Clínicas Escolas de la Universidade Paulista - UNIP. Se aplicó un formulario de evaluación, en el cual se recolectó información como datos personales, antecedentes clínicos de Covid-19 y manejo de la enfermedad en relación a la necesidad de oxigenoterapia, ventilación mecánica no invasiva e invasiva y traqueotomía, así como la Cuestionario SF36 versión brasileña. Resultados: Los adultos y ancianos hospitalizados tenían peor calidad de vida en los dominios capacidad funcional, vitalidad y salud mental. De los cuales usaban oxigenoterapia, intubación y traqueotomía, tenían peor salud mental. Los individuos que usaban ventilación mecánica no invasiva tenían peores puntuaciones en el domínio del la capacidad funcional. Conclusión: Se concluye que los adultos y ancianos con Covid Largo tuvieron una peor calidad de vida a largo plazo, especialmente en aquellos con síntomas más severos de Covid-19, es decir, aquellos que requirieron hospitalización, oxigenoterapia, invasiva y no invasiva. ventilación mecánica y traqueotomía.

Design and development of 6-hydrazinonicotinyl-fatty acid-mimetic 99mTc-complex as a potential myocardial imaging agent

Abstract The goal of this work is to identify new fatty acid-mimetic 99mTc-complexes to be used as myocardial imaging agents that allow studying heart abnormalities in high-risk patients. In this sense, we designed a fatty acid-mimetic substructure including an amide moiety that, among other properties, could improve myocardial residence time. A diamide with a chain length of 15 atoms and porting a 6-hydrazinonicotinyl (HYNIC) chelator, and an analog with a short carbon-chain, were prepared with convergent organic synthetic procedures and radiolabeled with 99mTc using tricine as the sole coligand. The in vivo proofs of concept were performed using healthy mice. The new 99mTc-complexes were obtained with adequate radiochemical purity. The lipophilicities were in agreement with the length of the chains. While both 99mTc-complexes showed uptake in the myocardial muscle, the designed radiopharmaceutical with the longest chain length had preferential target-uptake and target-retention compared to other complexes described in the bibliography. Further studies, involving imaging assays, synthetic modifications, and assay of new coligands for 99mTc-HYNIC complexes, are currently ongoing.

Evidence of intrauterine device insertion by nurses in Primary Health Care: an integrative review / Evidencias de inserción de dispositivos intrauterinos por parte de enfermeros en Atención Primaria de Salud: revisión integradora / Evidências da inserção de dispositivo intrauterino por enfermeiros na Atenção Primária à Saúde: revisão integrativa

ABSTRACT Objectives: to synthesize and analyze evidence on intrauterine device insertion by nurses in Primary Health Care. Methods: an integrative review, carried out in the BDENF, CINAHL, LILACS, SciELO, Scopus, PubMed and Web of Science databases in June 2022, delimiting the period from 1960 to 2022. Results: 141 articles were identified in the initial search, and 10 studies made up the final sample. Four (40%) were developed in the United States and one (10%) in Brazil, with publications from 1979 to 2021. The findings were grouped into three categories: Nurse training to insert an intrauterine device; Nurses' competency to insert an intrauterine device; and Women's access to intrauterine devices. Conclusions: nurse theoretical and practical training is a prominent element, consolidated in the favorable outcomes of insertions performed by nurses and satisfaction among women, a practice that has expanded access to the contraceptive method in Primary Health Care.

RESUMEN Objetivos: sintetizar y analizar la evidencia sobre la inserción de dispositivos intrauterinos por parte de enfermeras en la Atención Primaria de Salud. Métodos: revisión integrativa, realizada en las bases de datos BDENF, CINAHL, LILACS, SciELO, Scopus, PubMed y Web of Science en junio de 2022, delimitando el período de 1960 a 2022. Resultados: se identificaron 141 artículos en la búsqueda inicial y 10 publicaciones conformaron la muestra final. Cuatro (40%) fueron desarrollados en Estados Unidos y uno (10%) en Brasil, con publicaciones de 1979 a 2021. Los hallazgos se agruparon en tres categorías: Capacitación de enfermeras para insertar un dispositivo intrauterino; Competencia de las enfermeras para insertar un dispositivo intrauterino; y Acceso de las mujeres a los dispositivos intrauterinos. Conclusiones: la formación teórica y práctica de los enfermeros es un elemento destacado, consolidado en los resultados favorables de las inserciones realizadas por los enfermeros y la satisfacción de las mujeres, práctica que ha ampliado el acceso al método anticonceptivo en la Atención Primaria de Salud.

RESUMO Objetivos: sintetizar e analisar as evidências da inserção de dispositivo intrauterino por enfermeiros na Atenção Primária à Saúde. Métodos: revisão integrativa, realizada nas bases de dados BDENF, CINAHL, LILACS, SciELO, Scopus, PubMed e Web of Science em junho de 2022, delimitando-se o período de 1960 a 2022. Resultados: identificaram-se 141 artigos na busca inicial, e 10 publicações compuseram a amostra final. Quatro (40%) foram desenvolvidos nos Estados Unidos e um (10%) no Brasil, sendo publicações de 1979 a 2021. Os achados foram agrupados em três categorias: Treinamento dos enfermeiros para inserção de dispositivo intrauterino; Competência dos enfermeiros para inserção de dispositivo intrauterino; e Acesso das mulheres aos dispositivos intrauterinos. Conclusões: o treinamento teórico e prático dos enfermeiros é um elemento de destaque, consolidado nos desfechos favoráveis das inserções realizadas por enfermeiros e satisfação entre as mulheres, prática que tem ampliado o acesso ao método contraceptivo na Atenção Primária à Saúde.

O isolamento social no contexto da pandemia covid-19 e a saúde mental: perspectivas de idosos institucionalizados / Social isolation amid the COVID-19 pandemic and mental health: perspectives of institutionalized older adults

Resumo Objetivo Compreender a repercussão do isolamento social durante a pandemia da covid-19 na saúde mental de idosos institucionalizados, sob a óptica dos idosos institucionalizados. Método Estudo exploratório-descritivo com abordagem qualitativa, em duas ILPI's do município de Divinópolis, MG, Brasil, por meio de um questionário de identificação e, para análise dos dados qualitativos, um roteiro semiestruturado com questões norteadoras sobre a autopercepção do isolamento social durante a pandemia. Utilizou-se análise de conteúdo, à luz da teoria de Dorothea Orem. Resultados Participaram 13 idosos e foram levantadas as seguintes categorias temáticas: Sentimentos dos idosos institucionalizados frente ao isolamento social da pandemia; Ações dos residentes para preservar a saúde mental e física durante o período do isolamento social da pandemia; O isolamento social e a inatividade física como parte da vida dos idosos institucionalizados; A covid-19 encarada como algo trivial. Conclusão O isolamento social causado pela pandemia repercutiu negativamente na saúde mental dos idosos institucionalizados e trouxe à tona o fato do isolamento social já fazer parte do cotidiano desses idosos.

Abstract Objective To understand the impact of social isolation during the COVID-19 pandemic on the mental health of institutionalized older adults, from the perspective of these residents. Method An exploratory-descriptive study with a qualitative approach was conducted in two LTCFs in the city of Divinópolis, Minas Gerais State, Brazil. A questionnaire was applied for identification, whereas for qualitative data analysis, a semi-structurednscript with guiding questions about self-perceptions of social isolation during the pandemic was employed. Content analysis was used, drawing on Dorothea Orem's theory. Results Thirteen older adults participated and the following thematic categories were identified: Feelings of the residents about social isolation amid the pandemic; Actions by residents to preserve mental and physical health during pandemic social isolation; Social isolation and physical inactivity as part of the lives of residents; COVID-19 viewed as trivial. Conclusion Social isolation caused by the pandemic had a negative impact on the mental health of the institutionalized older adults and revealed the fact that social isolation was already part of their daily lives.

Study on the Role and Mechanism of METTL3 Mediating the Up-regulation of m6A Modified Long Non-coding RNA THAP7-AS1 in Promoting the Occurrence of Lung Cancer / 中国肺癌杂志

BACKGROUND@#Lung cancer is a major threat to human health. The molecular mechanisms related to the occurrence and development of lung cancer are complex and poorly known. Exploring molecular markers related to the development of lung cancer is helpful to improve the effect of early diagnosis and treatment. Long non-coding RNA (lncRNA) THAP7-AS1 is known to be highly expressed in gastric cancer, but has been less studied in other cancers. The aim of the study is to explore the role and mechanism of methyltransferase-like 3 (METTL3) mediated up-regulation of N6-methyladenosine (m6A) modified lncRNA THAP7-AS1 expression in promoting the development of lung cancer.@*METHODS@#Samples of 120 lung cancer and corresponding paracancerous tissues were collected. LncRNA microarrays were used to analyze differentially expressed lncRNAs. THAP7-AS1 levels were detected in lung cancer, adjacent normal tissues and lung cancer cell lines by quantitative reverse transcription-polymerase chain reaction (qRT-PCR). The diagnostic value of THAP7-AS1 in lung cancer and the relationship between THAP7-AS1 expression and survival rate and clinicopathological parameters were analyzed. Bioinformatics analysis, methylated RNA immunoprecipitation (meRIP), RNA pull-down and RNA-immunoprecipitation (RIP) assay were used to investigate the molecular regulation mechanism of THAP7-AS1. Cell proliferation, migration, invasion and tumorigenesis of SPC-A-1 and NCI-H1299 cells were determined by MTS, colony-formation, scratch, Transwell and xenotransplantation in vivo, respectively. Expression levels of phosphoinositide 3-kinase/protein kenase B (PI3K/AKT) signal pathway related protein were detected by Western blot.@*RESULTS@#Expression levels of THAP7-AS1 were higher in lung cancer tissues and cell lines (P<0.05). THAP7-AS1 has certain diagnostic value in lung cancer [area under the curve (AUC)=0.737], and its expression associated with overall survival rate, tumor size, tumor-node-metastasis (TNM) stage and lymph node metastasis (P<0.05). METTL3-mediated m6A modification enhanced THAP7-AS1 expression. The cell proliferation, migration, invasion and the volume and mass of transplanted tumor were all higher in the THAP7-AS1 group compared with the NC group and sh-NC group of SPC-A-1 and NCI-H1299 cells, while the cell proliferation, migration and invasion were lower in the sh-THAP7-AS1 group (P<0.05). THAP7-AS1 binds specifically to Cullin 4B (CUL4B). The cell proliferation, migration, invasion, and expression levels of phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha (PIK3CA), phosphoinositide-3 kinase, catalytic subunit delta (PIK3CD), phospho-phosphatidylinositol 3-kinase (p-PI3K), phospho-protein kinase B (p-AKT) and phospho-mammalian target of rapamycin (p-mTOR) were higher in the THAP7-AS1 group compared with the Vector group of SPC-A-1 and NCI-H1299 cells (P<0.05).@*CONCLUSIONS@#LncRNA THAP7-AS1 is stably expressed through m6A modification mediated by METTL3, and combines with CUL4B to activate PI3K/AKT signal pathway, which promotes the occurrence and development of lung cancer.

DANCR Regulates hESC Differentiation Towards Definitive Endoderm / 中山大学学报(医学科学版)

ObjectiveTo explore the function of DANCR during the differentiation of human embryonic stem cells （hESC） toward definitive endoderm （DE）. MethodsThe in vitro DE differentiation system was established and its efficiency was verified. The correlation between the expression level of DANCR and DE differentiation process was detected. Using lentivirus system， we stably knocked down DANCR in hESC. The shDANCR hESC line was applied to DE differentiation， using qPCR and Western blot to detect the expression of DE marker genes SOX17 and FOXA2， and that of primitive streak marker genes Brachyury （T）， EOMES， MIXL1 and GSC. Dual luciferase reporter assay and qPCR were used to confirm the interaction between DANCR and the WNT pathway during DE differentiation. ResultsThe in vitro differentiation system mimicked DE differentiation efficiently. And the expression of DANCR was gradually downregulated during differentiation. DANCR was efficiently knocked down in the shDANCR hESC line （P < 0.001）. Compared with those in the control group， the expression levels of primitive markers Brachyury （T）， EOMES， MIXL1 and GSC， as well as DE markers SOX17 and FOXA2， were significantly decreased in shDANCR groups （P < 0.05）. Furthermore， the transcriptional activity of the WNT pathway in shDANCR groups was lower than that in the control group （P < 0.05）. And RNA levels of downstream genes of the WNT pathway， FZD5， FZD8， SFRP1， FRZB and ANKRD6， were significantly decreased in shDANCR groups （P < 0.05）. However， differences in protein levels of the TGFβ pathway effectors SMAD2/3 and p-SMAD2 were statistically insignificant in shDANCR and control groups （P > 0.05）. Forced activation of β-CATENIN rescued DANCR knock down-induced deficiency in DE differentiation. ConclusionsThe expression of DANCR decreases during DE differentiation. DANCR may promote DE differentiation through modulating the activity of the WNT pathway.

CBCT analysis of the relative position between maxillary central incisors and alveolar bone in Southern Chinese adults / 口腔疾病防治

Objective@#Exploring the position and bone wall thickness characteristics of the maxillary central incisors in Southern Chinese adults to provide a clinical reference for the design of immediate maxillary central incisor implantation surgery.@*Methods@#The hospital ethics committee approved the study, and the patients provided informed consent. CBCT images of 990 adult patients (aged 20-79 years) from the Stomatology Hospital (January 2018 to December 2021) were categorized based on the dental arch form and age-sex groups. Sagittal CBCT images of the maxillary central incisors were used to measure the labial and palatal bone thickness wall at 4 mm the CEJ to apical, the middle of the root, and the angle between the tooth long axis and the long axis of the alveolar process, to compare the thickness of the labial and palatal bone walls in samples of male and female patients, and to explore the relationship between the angle between the tooth long axis and the alveolar process long axis in samples of male and female patients in different age groups (20-39 years; 40-59 years; 60-79 years).@*Results@#Significant differences were found in the labiopalatine side of the alveolar bone of the maxillary incisor root position. A total of 95.8% (948/990) of the maxillary incisors were positioned more buccally, 4.1% (41/990) were positioned more midway, and 0.1% (1/990) were positioned more palatally. The thicknesses of the bone wall at the CEJ of 4 mm below the palatal side, the middle of the root, and at the apex were greater (1.82 ± 0.56 mm, 3.20 ± 1.10 mm, and 7.70 ± 2.00 mm, respectively) than those at the labial side (1.21 ± 0.32 mm, 0.89 ± 0.35 mm, and 1.86 ± 0.82 mm, respectively), with statistical significance (P<0.05). Male bone wall thickness was generally greater than female bone wall thickness (P<0.05). The angle between the long axis of male teeth and the alveolar bone was 14.77° ± 5.66°, while that of female teeth was 12.80° ± 5.70°, with a statistically significant difference (P<0.05). The angle between the long axis of teeth and the alveolar bone in the 40-59-year-old group and the 60-79-year-old group was greater than that in the 20-39-year-old group, and the difference was statistically significant (P<0.05).@*Conclusion@#A total of 95.8% of adults in South China have maxillary central incisors with root deviation toward the labial bone cortex. The thickness of the labial bone wall is much thinner than that of the labial bone wall, which is the middle of the thickness of the root. In Southern Chinese adults, the angle between the upper central incisor and the long axis of the alveolar bone in males is greater than that in females, and the degree of the angle increases with age. It is recommended to pay attention to the thickness of the bone wall around the root and the angle between the teeth before immediate implantation surgery to choose a reasonable implantation plan.

Research progress of long-term efficacy after implantation of implantable collamer lens V4c / 国际眼科杂志(Guoji Yanke Zazhi)

With the rapid development of science and technology and the wide application of electronic products, the number of patients with high myopia is gradually increasing. Meanwhile, owing to the continuous optimization of surgical skils and the continuous advancement in materials of posterior chamber intraocular lens and manufacturing processes, implantable collamer lens(ICL)V4c implantation has gradually become one of the main surgeries for the treatment of high myopia. In the rapid era of social information, people pay more attention to the long-term efficacy after ICL V4c implantation, they not only want clear vision, but also the pursuit of visual comfort and durability. Therefore, this paper will specifically discuss the research progress of the post-implantation efficacy of ICL V4c with at least 2 a of follow-up observation within 3 a, aiming to review the latest research progress on the long-term efficacy of ICL V4c implantation from the three dimensions of visual quality, safety, efficacy and stability and possible surgical complications after ICL V4c implantation.

The Connotation and Clinical Significance of “Spleen Governs Time” based on the Zangxiang （藏象） Time-space View / 中医杂志

There are different views on the theory of “spleen governs time”， which is still a hot spot in the study of Zangxiang （藏象） theory. Based on Zangxiang time-space view， it is found that the thinking mode of the spleen governing time theory follows space-time logic. It is believed that the different time views of the spleen governing time are all formed based on the space view that the spleen belongs to earth and resides in the center， and the zang time theory is developed with the unified time and space logic. Guided by Zangxiang time-space view， the origin of the spleen belonging to earth and residing in the center is traced， and the theoretical connotation and its clinical application of spleen governing time under different time-space logic are explored with reference to the four season and five zang theory， five season and five zang theory， six season and six zang theory， and eight season and eight zang theory.

Intervention Mechanism of Biejiajian Wan on Primary Liver Cancer by Regulating lncRNA SNHG5/miRNA-26a-5p/GSK-3β Signal Axis / 中国实验方剂学杂志

ObjectiveTo investigate the mechanism of Biejiajian Wan in the intervention of primary liver cancer based on long non-coding RNA SNHG5 （lncRNA SNHG5）/micro RNA-26a-5p （miRNA-26a-5p）/glycogen synthase kinase-3β （GSK-3β） signal axis. MethodDouble luciferase reporting assay was used to verify the targeted interaction between lncRNA SNHG5 and miRNA-26a-5p， miRNA-26a-5p， and GSK-3β in HepG2 cells. Nude-mouse transplanted tumor model of human HepG2 were established and randomly divided into model group， Biejiajian Wan low-dose group （0.5 g·kg-1）， medium-dose group （1.0 g·kg-1）， and high-dose group （2.0 g·kg-1）， and sorafenib group （100 mg·kg-1）， with 10 mice in each group. The mice were given intragastric administration of normal saline or drug for 28 days， and the tumor volume was measured at different time. Hematoxylin-eosin （HE） staining was used to observe the histological changes of tumors. The nucleic acid levels of lncRNA SNHG5， miRNA-26a-5p， GSK-3β， and β-catenin mPNA in tumor tissue were detected by real-time quantitative polymerase chain reaction （Real-time PCR）. The protein expression levels of GSK-3β and β-catenin in tumor tissue were detected by western blot. ResultCompared with the SNHG5-WT （wild type） + miRNA NC （negative control） group， the relative luciferase activities of the SNHG5-WT + miRNA-26a-5p mimic group were decreased （P<0.05）. Compared with the GSK-3β-WT + miRNA NC group， the relative luciferase activity of the GSK-3β-WT + miRNA-26a-5p mimic group was decreased （P<0.05）. Compared with the model group， the tumor volume of Biejiajian Wan low-dose， medium-dose， and high-dose groups was significantly decreased （P<0.05， P<0.01）. Compared with the model group， the cells in the tumor tissue of nude mice in each dose group of Biejiajian Wan were sparsely arranged with necrocytosis， which showed concentration-dependent changes. Compared with the model group， the expression levels of lncRNA SNHG5， GSK-3β， and β-catenin were decreased （P<0.05， P<0.01）， while the expression of miRNA-26a-5p was increased in each dose group of Biejiajian Wan （P<0.05， P<0.01）. Compared with the model group， the protein expression levels of GSK-3β and β-catenin were decreased in each dose group of Biejiajian Wan （P<0.05， P<0.01）. ConclusionBiejiajian Wan may affect the necrosis of liver cancer cells through lncRNA SNHG5/miRNA-26a-5p/GSK-3β signal axis and thus play an anti-tumor role. This research will provide more theoretical basis for the clinical application of Biejiajian Wan.

Construction of competitive endogenous RNA network mediated by lung ischemia-reperfusion core genes / 器官移植

Objective To analyze the core genes of lung ischemia-reperfusion injury and construct a competitive endogenous RNA (ceRNA) network. Methods Original data of GSE145989 were downloaded from the Gene Expression Omnibus (GEO) database as the training set, and the GSE172222 and GSE9634 datasets were used as the validation sets, and the differentially-expressed genes (DEG) were identified. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were performed. Protein-protein interaction (PPI) network was constructed, and the core genes were screened, and the diagnostic values of these core genes and the immune infiltration levels of immune cells were evaluated. The ceRNA network was constructed and validated. The targeted drugs based on ceRNA network were assessed. Results A total of 179 DEG were identified, including 61 down-regulated and 118 up-regulated genes. GO analysis showed that DEGs were associated with multiple biological processes, such as cell migration, differentiation and regulation, etc. They were correlated with cell components, such as vesicle membrane, serosa and membrane raft, etc. They were also associated with multiple molecular functions, such as chemokine receptor, G protein-coupled receptor, immune receptor activity and antigen binding, etc. KEGG pathway enrichment analysis revealed that DEG were involved in tumor necrosis factor (TNF), Wnt, interleukin (IL)-17 and nuclear factor (NF)-κB signaling pathways, etc. PPI network suggested that CD8A, IL2RG, STAT1, CD3G and SYK were the core genes of lung ischemia-reperfusion injury. The ceRNA network prompted that miR-146a-3p, miR-28-5p and miR-593-3p were related to the expression level of CD3G. The miR-149-3p, miR-342-5p, miR-873-5p and miR-491-5p were correlated with the expression level of IL-2RG. The miR-194-3p, miR-512-3p, miR-377-3p and miR-590-3p were associated with the expression level of SYK. The miR-590-3p and miR-875-3p were related to the expression level of CD8A. The miR-143-5p, miR-1231, miR-590-3p and miR-875-3p were associated with the expression level of STAT1. There were 13 targeted drugs for CD3G, 4 targeted drugs for IL-2RG, 28 targeted drugs for SYK and 3 targeted drugs for lncRNA MUC2. No targeted drugs were identified for CD8A, STAT1 and other ceRNA network genes. Conclusions CD8A, IL2RG, STAT1, CD3G and SYK are the core genes of lung ischemia-reperfusion injury. The research and analysis of these core genes probably contribute to the diagnosis of lung ischemia-reperfusion injury and providing novel research ideas and therapeutic targets.