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1.
Br J Radiol ; 96(1148): 20221096, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37194990

ABSTRACT

Nephrocalcinosis refers to calcium deposition in the form of calcium oxalate or calcium phosphate in the renal parenchyma and tubules. After diagnosis, the cause of nephrocalcinosis must be established to carry out a comprehensive approach to this entity. Although this is a common finding, it can be underdiagnosed due to the lack of knowledge of the different presentation patterns that exist. Many causes have been described related to this disease.A pictorial review about the most common features of cortical and medullary nephrocalcinosis both in ultrasound and CT is presented in the present work as well as a review of its main causes and graphics to easily recognize each pattern.


Subject(s)
Nephrocalcinosis , Humans , Nephrocalcinosis/diagnostic imaging , Nephrocalcinosis/etiology , Kidney/diagnostic imaging , Calcium Oxalate , Radiography
2.
Molecules ; 26(24)2021 Dec 10.
Article in English | MEDLINE | ID: mdl-34946558

ABSTRACT

Bacillus thuringiensis (Bt) is a bacterium capable of producing Cry toxins, which are recognized for their bio-controlling actions against insects. However, a few Bt strains encode proteins lacking insecticidal activity but showing cytotoxic activity against different cancer cell lines and low or no cytotoxicity toward normal human cells. A subset of Cry anticancer proteins, termed parasporins (PSs), has recently arisen as a potential alternative for cancer treatment. However, the molecular receptors that allow the binding of PSs to cells and their cytotoxic mechanisms of action have not been well established. Nonetheless, their selective cytotoxic activity against different types of cancer cell lines places PSs as a promising alternative treatment modality. In this review, we provide an overview of the classification, structures, mechanisms of action, and insights obtained from genetic modification approaches for PS proteins.


Subject(s)
Antineoplastic Agents/pharmacology , Bacillus thuringiensis/genetics , Endotoxins/pharmacology , Antineoplastic Agents/chemistry , Cell Line, Tumor , Cell Proliferation/drug effects , Cell Survival/drug effects , Drug Screening Assays, Antitumor , Endotoxins/chemistry , Endotoxins/genetics , Humans
3.
Vet Parasitol Reg Stud Reports ; 25: 100593, 2021 07.
Article in English | MEDLINE | ID: mdl-34474786

ABSTRACT

The major compound in orange essential oil (OEO) is limonene, which has in vitro anthelmintic properties; however, a safe in vivo dose has not been defined for animals. Therefore, a pilot study was conducted to evaluate the effect of an OEO formulation for the control of gastrointestinal nematodes in sheep and to investigate adverse reactions in lambs after OEO administration. A total of 17 lambs received an oral OEO formulation at a concentration of 600 mg/mL, in doses of 200, 300, and 600 mg/kg. The most common clinical signs observed were head shaking (88.8%), backward head movement (51.1%), and ataxia (74.4%). Lambs treated with 600 mg/kg of OEO showed more severe combined clinical signs and longer duration of symptoms, presenting adverse reactions for up to 2 h after OEO administration. Testing of different doses and formulations with slower release of the active ingredient is recommended to minimize or eliminate these effects.


Subject(s)
Anthelmintics , Nematoda , Oils, Volatile , Sheep Diseases , Animals , Anthelmintics/therapeutic use , Oils, Volatile/adverse effects , Pilot Projects , Sheep , Sheep Diseases/drug therapy
4.
Rev. Fac. Nac. Salud Pública ; 39(1): e339061, ene.-abr. 2021. tab, graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1288018

ABSTRACT

Resumen Objetivo: Esta investigación explora las percepciones, actitudes y prácticas de niñas, niños y adolescentes sobre violencias en los entornos familiar y escolar. Metodología: Durante 2018, se aplicó una encuesta sobre sexualidad, convivencia familiar y entorno escolar a 16 558 niñas, niños y adolescentes escolarizados de entre 9 y 19 años de edad, habitantes de ocho municipios de Colombia, de las zonas Caribe y Pacífico. Resultados: Se encontraron porcentajes altos de violencia en el hogar y de actitudes violentas en el entorno escolar, además de bajos índices de educación sobre temas relacionados con la violencia de género. La violencia física fue ejercida en mayor frecuencia en los niños y adolescentes varones, entre los 15 y 19 años, y en los municipios de Bahía Solano y El Carmen de Atrato. En contraste, la violencia sexual fue principalmente ejercida a las niñas, entre los 9 y 11 años, y en los municipios de Uribía y Pivijay. Conclusiones: las normas de género y las expectativas sociales atribuidas a las personas en función de su sexo exponen a niñas, niños y adolescentes a violencias diferenciadas; a ello se suman la edad y el lugar en el que se habita.


Abstract Objective: The study explores children and adolescents'perceptions, attitudes and behaviors regarding violence in family and school settings. Methodology: A survey about sexuality, family life and the school setting was conducted in 2018 to 16,558 children and adolescents aged between 9 and 19 years, who were attending school and were residents of eight municipalities of the Caribbean and Pacific regions of Colombia. Results: High percentages of family violence and violent behavior in the school setting were found along with a low degree of knowledge about subjects related to gender-based violence. Young boys and male adolescents aged between 15 and 19 years from Bahía Solano and El Carmen de Atrato municipalities were exposed most frequently to physical violence while girls aged between 9 and 11 years from Uribía and Pivijay were exposed mostly to sexual violence. Conclusions: Gender norms and social expectations expose children and adolescents to different types of violence. Other contributing factors are age and place of residence.


Resumo Objetivo: Explorar percepções, atitudes e práticas de algumas crianças e adolescentes sobre a violência nos ambientes familiar e escolar. Metodologia: Em 2018, foi aplicada uma pesquisa sobre sexualidade, vida familiar e ambiente escolar em 16.558 meninas, meninos e adolescentes entre 9 e 19 anos, habitantes de oito municípios da Colômbia. Resultados: Foram encontrados altos percentuais de violência doméstica e atitudes violentas no ambiente escolar, além de baixos níveis de educação em questões relacionadas à violência de gênero. A violência física foi maior em meninos e adolescentes, entre 15 e 19 anos, e nos municípios de Bahía Solano e El Carmen de Atrato. Por outro lado, a violência sexual foi maior em meninas, entre 9 e 11 anos, e nos municípios de Uribía e Pivijay. Conclusões: as normas de gênero e as expectativas sociais atribuídas às pessoas com base no sexo, expõem meninas e meninos e adolescentes à violência diferenciada, agregando idade e local onde moram.

5.
Rev. crim ; 61(3): 191-204, sep.-dic. 2019. tab, graf
Article in Spanish | LILACS | ID: biblio-1138831

ABSTRACT

Resumen El objetivo de este artículo es identificar los atributos del liderazgo policial y sus relaciones, asociados a las dimensiones del ser, saber, saber hacer y saber estar del funcionario de policía. El diseño metodológico utilizado es de tipo mixto. El estudio empírico se realizó con una ejecución secuencial. Primero, se recolectaron y analizaron datos cualitativos que luego soportaron la recolección e interpretación de datos cuantitativos. El método de recolección de datos es de carácter exploratorio secuencial (DEXPLOS) con una modalidad derivativa, ya que se construyó una fundamentación teórico-conceptual, y se obtuvieron datos cualitativos mediante la técnica de grupos de discusión (primer instrumento) y, a su vez, datos cuantitativos a través de una encuesta de clima institucional (segundo instrumento), con el propósito de garantizar una muestra representativa para la validación de los atributos. Los resultados obtenidos identifican mediante la técnica grupos de discusión y, posterior validación con la técnica de ecuaciones estructurales que, los atributos -honor policial, vocación de servicio, credibilidad y confianza, adaptabilidad y flexibilidad, visión e innovación- son esenciales e indisociables al líder policial.


Abstract The purpose of this article is to identify the attributes of police leadership and their relationships, associated with the dimensions of to be, to know, know-how, and know to be of the police officer. The methodological design used is of mixed type. For empirical study, the approach was sequential. First, qualitative data was collected and analysed, which then supported the collection and interpretation of quantitative data. The method of data collection is of a sequential exploratory nature (DEXPLOS) with a derivative modality: a theoretical-conceptual foundation was constructed, and qualitative data was obtained in focus groups (first tool) and, then, quantitative data was obtained from the results of a survey on the institutional climate (second tool), with the purpose of guaranteeing a representative sample for the validation of the police leader's attributes. The results obtained identify through the technique discussion groups and, later validation with the technique of structural equations, that the attributes -police honour, service vocational, credibility and trust, adaptability and effectiveness, vision and innovation- are essentials and inseparables from police leader.


Resumo A finalidade deste artigo é identificar os atributos da liderança das polícias e a seus relacionamentos, asociados com as dimensões de vê, para saber, know-how, e sabem a vê do oficial de polícias. Methodological o projeto usado é de tipo misturado. Empírico para o estudo, a aproximação era seqüencial. Primeiro, as datas qualitative foram coletadas e analisadas, que suportaram então a coleção e a interpretação de datas quantitative. O método da coleção das datas é à natureza exploratory seqüencial (DEXPLOS) com a modality derivative: à fundação teórico-conceptual foi construído, e as datas qualitative foram obtidas em grupos de foco (primeira ferramenta) e, as datas quantitative foram obtidas então dos resultados ao exame institutional no clima (segunda ferramenta), com a finalidade de garantir à amostra representativa para o validation dos atributos do líder das polícias. Os resultados obtidos identificam através dos grupos de discussão da técnica e, a um validation mais atrasado com a técnica de equações estruturais, aquele os atributos - policie a honra, o serviço vocacional, o credibility e a confiança, o adaptability e a eficácia, os fundamentos dos arados da visão e da inovação e o inseparable das polícias ao líder.


Subject(s)
Humans , Social Control, Formal , Police , Behavior , Institutionalization
8.
Investig. segur. soc. salud ; 20(2): 21-30, 2018. tab, ilus
Article in Spanish | COLNAL, LILACS | ID: biblio-1052276

ABSTRACT

Objetivo: describir la incidencia de trastornos hipertensivos de las gestantes en 3 instituciones en Bogotá durante el periodo 2014-2016. Método: estudio observacional prospectivo, realizado entre 2014 y 2016 en 3 centros hospitalarios de la ciudad de Bogotá, D. C., Colombia. Fueron incluidas 252 gestantes, a quienes se les hizo seguimiento ecográfico trimestral, toma de variables clínicas y demográficas e indagación de resultados materno- perinatales en el momento del parto. Los datos fueron analizados a través del cálculo de medidas de tendencia central y dispersión para las variables cuantitativas, frecuencias y porcentajes para las variables cualitativas. Resultados: se encontró una incidencia de trastornos hipertensivos del 11,8 % en las gestantes incluidas en el estudio; de estos, el 62,1 % fueron preeclampsia, y el 37,9 %, hipertensión gestacional. La preeclampsia se presentó en el 7,4 % del total de la población estudiada; de dichas pacientes, el 50 % presentó preeclampsia severa. La incidencia de preeclampsia temprana fue del 17,2 %. Conclusión: la incidencia de los trastornos hipertensivos en gestantes en la población estudiada es mayor que en países desarrollados, y similar a lo descrito en la población colombiana


Objective: To describe the incidence of hypertensive disorders during pregnancy in three health institutions in Bogotá-Colombia during 2014-2016. Methods: This observational and prospective study were done in three institutions from 2014 to 2016 in Bogotá (Colombia). 252 patients were included. Fetal and maternal ultrasonography evaluations were done in each trimester of pregnancy, multiples demographic and clinical factors were evaluated, and maternal and perinatal outcomes were done at the delivery time. The data were analyzed using measures of central tendency and dispersion for the quantitative variables, and frequencies and percentages for qualitative variables. Results: The incidence of hypertensive disorders of pregnancy was 11.8 %, of these, pre-eclampsia was 62.1 % and 37.9 % of gestational hypertension. In relation to preeclampsia group, 7.4 % was presented when it was compared with the total of the study population, and form this 50 % of pregnant women were severe preeclampsia. The incidence of early pre-eclampsia was 17.2 %. Conclusion: The incidence of hypertensive disorders in pregnancy at the study population is higher than the prevalence reported in developed countries and similar than reported in Colombia


Objetivo: Descrever a incidência de hipertensivos de deficiências orgânicas do criando em três instituições em Bogotá durante o período 2014 -2016. Método: Eu estudo de observação prospectivo, levou a cabo entre 2014 e 2016 entre três hospital centra da cidade de Bogotá - a Colômbia. 252 eram criando incluídos a quem foi levado trimestralmente fora ecográfico de perseguição, enquanto levando de variáveis clínicas e demográficas e investigação perinatal materna de resultados no momento do parto. Os dados foram analisados pelo cálculo de medidas de tendência central e dispersão para as variáveis quantitativas, freqüências e porcentagens para as variáveis qualitativas. Resultados: Ele/ela era uma incidência de hipertensivos de deficiências orgânicas de 11,8% no criando incluído no estudo, destes, 62,1% preeclampsia e 37,9% gestacional de hipertensão. O preeclampsia mostraram para cima dentro um 7.4% do total da população instruída, destes pacientes, 50% apresentaram preeclampsia severo. A incidência de preeclampsia cedo era de 17,2%. Conclusão: A incidência do hipertensivos de deficiências orgânicas criando na população instruída é maior que em países desenvolvidos e semelhante a isso descrito na população colombiana


Subject(s)
Humans , Female , Pregnancy , Incidence , Hypertension , Pre-Eclampsia , Ultrasonography , Aftercare , Observation , Pregnant Women , Hypertension, Pregnancy-Induced
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