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1.
Hypertens Res ; 47(6): 1728-1734, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38565698

RESUMO

In spite of the fact that hypertension stand out as the main vascular risk factor for developing dementia, it is essential to acknowledge the presence of other risk factors, both vascular and non-vascular that contribute to increase this risk. This study stratified the dementia risk using CAIDE (Cardiovascular Risk Factors, Aging, and Incidence of Dementia) dementia risk score in a sample of 1279 hypertensive patients from the Heart-Brain Study in Argentina and to observed the association between the risk factors include in the CAIDE score and the current cognitive status. The average age of the sample was 60.2 ± 13.5 years (71% female) and the average years of education was 9.9 ± 5.1 years. To assess the current cognitive status, we used the Mini-mental test (MMSE), the clock drawing test (CDT) and Mini-Boston test. According to CAIDE score ( ≥9 points) the risk of dementia was 40.4% in the total sample and 28.1% in the middle-life hypertensive patients (between 47 to 53 years). An inverse association was observed between CAIDE score and the results of current cognitive tests (MMSE = R2 0.9128, p < 0.0001; CDT = R2 0.9215, p < 0.0001 y Mini-Boston= R2 0.829, p < 0.0001). The CAIDE score can predict the risk of dementia in hypertensive patients and its result was associated with the current cognitive status (result of cognitive tests).


Assuntos
Cognição , Demência , Hipertensão , Humanos , Feminino , Hipertensão/complicações , Hipertensão/epidemiologia , Demência/epidemiologia , Demência/etiologia , Masculino , Pessoa de Meia-Idade , Idoso , Fatores de Risco , Argentina/epidemiologia , Testes Neuropsicológicos
2.
JACC Case Rep ; 29(2): 102166, 2024 Jan 17.
Artigo em Inglês | MEDLINE | ID: mdl-38264308

RESUMO

A patient was admitted for chest pain with electrocardiographic changes, and cardiac magnetic resonance showed focal myocardial hypertrophy secondary to edema. Combined positron emission tomography and computed tomography corroborated foci of myocardial hypermetabolism, as well as multiple adenopathies consistent with lymphoma in the biopsy. Hypertrophy and edema regressed with chemotherapy.

3.
Vertex ; 34(162): 20-29, 2024 01 10.
Artigo em Espanhol | MEDLINE | ID: mdl-38197625

RESUMO

Introduction: The arterial hypertension cause brain vascular damage (white matter lesion) and the burden and progression determine their cognitive consequences. Therefore, arterial hypertension is considered the main modifiable vascular risk factor for cognitive impairment and dementia. Therefore, the aim of the current study was to evaluate the results of cognitive tests in a sample of hypertensive patients and to establish possible associations with structural brain lesions (atrophy, white matter lesions) identified by magnetic resonance imaging Methods: Were included 70 hypertensive patients from Heart-Brain study in Argentina with magnetic resonance imaging and cognitive test. Fazekas scale and the Global Cortical Atrophy were used to quantify the white matter lesions and the brain atrophy, respectively. The Mini-Mental Status Examination, Clock Drawing test and Mini-Boston Naming test were used to evaluate the cognitive status. Results: average age 69.7 ± 10.6 years, 55.7% female). Based on the linear regression analysis, Fazekas scale and cognitive tests were inversely associated. For each grade of increase in Fazekas scale, the clock drawing test (Coef -0.56, CI 95% -1.01 -0.10, p=0.01) and the Mini-mental Status Examination (Coef -0.7, CI 95% -1.27 -0.13, p=0.01) scores decreased. The subcortical atrophy was significantly associated with the clock drawing test (OR 3.29, CI 95% 1.25-8.63; p=0.016). Conclusion: The cognitive tests, particularly the clock drawing test could be used (in the clinical routine practice) as "subrrogate" of the brain structural hypertension-mediated damage.


Introducción: La hipertensión arterial causa daño vascular cerebral (lesiones de sustancia blanca) y su carga y progresión determinan las consecuencias cognitivas. Así, la hipertensión es considerada el principal factor de riesgo vascular modificable para desarrollar deterioro cognitivo y demencia. Por lo tanto el objetivo de la presente investigación fue evaluar el resultado de los test cognitivos en una muestra de pacientes hipertensos y establecer las posibles asociaciones con las lesiones estructurales del cerebro (atrofia, lesiones de sustancia blanca) identificadas mediante resonancia magnética. Métodos: Se incluyeron 70 pacientes hipertensos pertenecientes al estudio Corazón-Cerebro en Argentina a los que se les realizó resonancia magnética y evaluación cognitiva. Se utilizaron las escalas de Fazekas y la Global Cortico Atrophy para evaluar las lesiones de sustancia blanca y la atrofia cerebral, respectivamente y el Mini-mental test, el test del reloj y el test de denominación Mini-Boston para conocer el estatus cognitivo. Resultados: Edad promedio 69.7 ± 10.6 años, 55.7% mujeres. Basados en el análisis de regresión lineal, la escala de Fazekas se asoció en forma inversa con los test cognitivos. Por cada punto de aumento en la escala de Fazekas el puntaje del test del reloj descendió -0.56 (IC 95% -1.01 -0.10, p=0.01) y el Mini-mental test -0.7 (IC95% -1.27 -0.13, p=0.01). La atrofia subcortical se asoció en forma inversa solo con el test del reloj (OR 3.29, IC 95% 1.25-8.63; p=0.016). Conclusión: Los test cognitivos, en especial el test del reloj, podrían ser utilizados, en la práctica clínica asistencial, como un subrogado del daño estructural del cerebro mediado por la hipertensión arterial.

4.
Cancers (Basel) ; 15(10)2023 May 11.
Artigo em Inglês | MEDLINE | ID: mdl-37345053

RESUMO

The voltage-gated potassium channel Kv1.3 plays a pivotal role in a myriad of biological processes, including cell proliferation, differentiation, and apoptosis. Kv1.3 undergoes fine-tuned regulation, and its altered expression or function correlates with tumorigenesis and cancer progression. Moreover, posttranslational modifications (PTMs), such as phosphorylation, have evolved as rapid switch-like moieties that tightly modulate channel activity. In addition, kinases are promising targets in anticancer therapies. The diverse serine/threonine and tyrosine kinases function on Kv1.3 and the effects of its phosphorylation vary depending on multiple factors. For instance, Kv1.3 regulatory subunits (KCNE4 and Kvß) can be phosphorylated, increasing the complexity of channel modulation. Scaffold proteins allow the Kv1.3 channelosome and kinase to form protein complexes, thereby favoring the attachment of phosphate groups. This review compiles the network triggers and signaling pathways that culminate in Kv1.3 phosphorylation. Alterations to Kv1.3 expression and its phosphorylation are detailed, emphasizing the importance of this channel as an anticancer target. Overall, further research on Kv1.3 kinase-dependent effects should be addressed to develop effective antineoplastic drugs while minimizing side effects. This promising field encourages basic cancer research while inspiring new therapy development.

5.
Cancers (Basel) ; 15(12)2023 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-37370803

RESUMO

Soft tissue sarcomas (STS) are an uncommon and biologically heterogeneous group of tumors arising from mesenchymal cells. The incidence is estimated at five cases per 100,000 people per year. Retroperitoneal sarcomas (RPS) account for 10-15% of all STS, and their management depends on their anatomical characteristics and histotype. Due to their very low incidence, it is recommended that RPS be treated in reference centers and evaluated by an experienced multidisciplinary team (MDT). In Spain, the Spanish Group for Research in Sarcomas (GEIS) brings together experts from various specialties to promote research on sarcomas and improve treatment results. This paper summarizes the GEIS recommendations for the diagnosis, treatment, and follow-up of patients with RPS.

6.
Rev. esp. patol ; 56(2): 119-123, Abr-Jun 2023. ilus
Artigo em Espanhol | IBECS | ID: ibc-219166

RESUMO

El tumor de células gigantes óseo (TCGO) representa el 4-5% de los tumores óseos primarios, se localiza en la epífisis de huesos largos, cuerpos vertebrales y huesos planos, y es más frecuente en el sexo femenino entre los 20 y 45 años. Presentamos el caso de una mujer de 31 años con dolor torácico de un mes de evolución. En la exploración física se palpó un nódulo en mama derecha y semiología de derrame pleural ipsilateral. El estudio mediante TAC torácica evidenció una masa infiltrante. La lesión fue biopsiada, permitiendo el diagnóstico de TCGO. Debido a la localización y a la morfología, se planteó un amplio diagnóstico diferencial. Adicionalmente, se detectó la mutación del gen de la histona H3F3A, reforzando el diagnóstico. Recibió tratamiento neoadyuvante con denosumab, haciendo posible la posterior resección quirúrgica de la lesión. En la pieza quirúrgica se observaron cambios histológicos, fuente de pitfalls diagnósticos.(AU)


Giant cell tumour of bone (GCTOB) accounts for 4-5% of all primary bone tumours and occurs most frequently in females between 20 and 45 years old. It is found in the epiphyses of the long bones, vertebral bodies and flat bones.We report the case of a 31-year-old woman who presented with a one month history of thoracic pain. On examination, a mass was found in the right breast with signs of an ipsilateral pleural effusion. A thoracic CAT scan revealed an infiltrating mass which was subsequently biopsied and a GCTOB was diagnosed. Due to the localization and the morphology, a wide range of differential diagnoses were considered. Genetic studies detected a mutation of the gene H3F3A, supporting the original diagnosis. The patient underwent treatment with denosumab followed by surgical resection of the mass. The histopathology of the tumour revealed various histological changes which were a source of diagnostic pitfalls.(AU)


Assuntos
Humanos , Feminino , Adulto , Pacientes Internados , Exame Físico , Tumor de Células Gigantes do Osso , Caixa Torácica , Denosumab , Tomografia Computadorizada por Raios X , Dor no Peito
7.
Rev Esp Patol ; 56(2): 119-123, 2023.
Artigo em Espanhol | MEDLINE | ID: mdl-37061238

RESUMO

Giant cell tumour of bone (GCTOB) accounts for 4-5% of all primary bone tumours and occurs most frequently in females between 20 and 45 years old. It is found in the epiphyses of the long bones, vertebral bodies and flat bones. We report the case of a 31-year-old woman who presented with a one month history of thoracic pain. On examination, a mass was found in the right breast with signs of an ipsilateral pleural effusion. A thoracic CAT scan revealed an infiltrating mass which was subsequently biopsied and a GCTOB was diagnosed. Due to the localization and the morphology, a wide range of differential diagnoses were considered. Genetic studies detected a mutation of the gene H3F3A, supporting the original diagnosis. The patient underwent treatment with denosumab followed by surgical resection of the mass. The histopathology of the tumour revealed various histological changes which were a source of diagnostic pitfalls.


Assuntos
Conservadores da Densidade Óssea , Neoplasias Ósseas , Dor no Peito , Denosumab , Tumor de Células Gigantes do Osso , Humanos , Feminino , Adulto , Tumor de Células Gigantes do Osso/tratamento farmacológico , Tumor de Células Gigantes do Osso/patologia , Neoplasias Ósseas/tratamento farmacológico , Neoplasias Ósseas/patologia , Dor no Peito/diagnóstico por imagem , Dor no Peito/etiologia , Biópsia , Tomografia Computadorizada por Raios X , Denosumab/uso terapêutico , Conservadores da Densidade Óssea/uso terapêutico , Resultado do Tratamento
8.
Front Psychiatry ; 14: 1088727, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36970262

RESUMO

Introduction: Autistic men and women are more likely to experience health issues than the general population, although the available epidemiological studies addressing co-occurrence conditions are limited. This is the first Spanish epidemiologic study addressing the health profile and poor-health exacerbating factors in individuals of all ages with autism spectrum disorder (ASD). Methods: We analyzed 2,629 registries extracted from Autism Spain's sociodemographic registry (November 2017-May 2020). A descriptive health data analysis was conducted to assess the prevalence of other conditions associated to ASD in the Spanish population. Nervous system disorders (12.9%), mental health diagnoses (17.8%), and other comorbidities (25.4%) were reported. Men-to-women ratio was 4:1. Results: Women, elder individuals and those with intellectual disability (ID) were at an increased risk of health comorbidities and psychopharmacological exposure. Women were also more prone to severe intellectual and functional impairment. Nearly all individuals had difficulties in their adaptative functioning, especially those with ID (50% of the population). Almost half of the sample received psychopharmacological treatments starting from infancy and early childhood, mostly antipsychotics and anticonvulsants. Discussion: This study represents an important first approach to the health status of autistic people in Spain and can contribute to the development of public policies and innovative health strategies.

9.
Heliyon ; 8(3): e09193, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-35368544

RESUMO

Among the factors that influence the quality of life of people with Autism Spectrum Disorder (ASD), physical activity and sport are key dimensions of physical well-being. Few studies take into account the perspectives of people with ASD in order to understand the extent of physical well-being and their subjective perception of it. The development of a system of quality of life indicators related to physical activity and sport for people with ASD and their analysis is the aim of this study, providing guidelines for improvement. A study was carried out with a sample of 276 people, professionals (n = 143), family members (n = 73) and people with ASD (n = 60). The people with ASD in the sample belonged to three age categories: children aged 8-12 years, adolescents aged 12-18 years and adults over 18 years. The research team used a qualitative methodology in the collection of information. They adapted three questionnaires, with validated quality of life scales, to guide the interviews and also applied them in the design of the focus group protocols. Subsequently, the research team analysed the information collected in the focus groups with families and professionals using a DELPHI method. A system for coding the responses and qualitative analysis of the responses was also prepared for the analysis of the data by the research team. Finally, the information obtained was compared with a group of representative experts. The results concluded with the elaboration of a system of quality of life indicators related to the dimension of physical well-being, as well as guidelines and proposals that bring together the perspectives of people with ASD in relation to the practice of sport and physical activity. There is a need to increase the practice of sport among people with ASD in order to promote their health, social participation and personal satisfaction. It is concluded that it is not possible to obtain a broad picture of the quality of life of people with ASD and their families due to lack of information. However, the method and the results obtained represent a first approach at national level to increase knowledge about the quality of life of people with ASD.

10.
Org Biomol Chem ; 19(33): 7202-7210, 2021 09 07.
Artigo em Inglês | MEDLINE | ID: mdl-34612342

RESUMO

Hydrazone bond formation is a versatile reaction employed in several research fields. It is one of the most popular reversible reactions in dynamic combinatorial chemistry. Under physiological conditions, hydrazone exchange benefits from the addition of a nucleophilic catalyst. We report a mechanistic study and superior performance of electron-rich p-substituted aniline derivatives as catalysts for efficient hydrazone formation and exchange in both protic and aprotic solvents. Rigorous kinetic analyses demonstrate that imine formation with 3-hydroxy-4-nitrobenzaldehyde and aniline derivatives proceeds with unprecedented third-order kinetics in which the aldehyde consistently shows a partial order of two. Computational investigations provide insights into the mechanisms of these transformations.

11.
Int J Mol Sci ; 22(14)2021 Jul 13.
Artigo em Inglês | MEDLINE | ID: mdl-34299133

RESUMO

Solitary fibrous tumor is a rare subtype of soft-tissue sarcoma with a wide spectrum of histopathological features and clinical behaviors, ranging from mildly to highly aggressive tumors. The defining genetic driver alteration is the gene fusion NAB2-STAT6, resulting from a paracentric inversion within chromosome 12q, and involving several different exons in each gene. STAT6 (signal transducer and activator of transcription 6) nuclear immunostaining and/or the identification of NAB2-STAT6 gene fusion is required for the diagnostic confirmation of solitary fibrous tumor. In the present study, a new gene fusion consisting of Nuclear Factor I X (NFIX), mapping to 19p13.2 and STAT6, mapping to 12q13.3 was identified by targeted RNA-Seq in a 74-year-old female patient diagnosed with a deep-seated solitary fibrous tumor in the pelvis. Histopathologically, the neoplasm did not display nuclear pleomorphism or tumor necrosis and had a low proliferative index. A total of 378 unique reads spanning the NFIXexon8-STAT6exon2 breakpoint with 55 different start sites were detected in the bioinformatic analysis, which represented 59.5% of the reads intersecting the genomic location on either side of the breakpoint. Targeted RNA-Seq results were validated by RT-PCR/ Sanger sequencing. The identification of a new gene fusion partner for STAT6 in solitary fibrous tumor opens intriguing new hypotheses to refine the role of STAT6 in the sarcomatogenesis of this entity.


Assuntos
Fusão Gênica , Fatores de Transcrição NFI/genética , Proteínas de Fusão Oncogênica/genética , Fator de Transcrição STAT6/genética , Tumores Fibrosos Solitários/genética , Tumores Fibrosos Solitários/patologia , Idoso , Feminino , Humanos , Prognóstico
12.
Pediatr Dermatol ; 38(2): 516-517, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33486776

RESUMO

The net-like superficial lymphatic malformation (LM) is a newly described entity with distinctive clinical, dermoscopic, and histologic characteristics. Clinical picture consists of red to purplish macules with a finely reticulated pattern of vascular structures. Dermoscopy shows arborizing telangiectatic vessels. Histology is characterized by a vascular proliferation composed of thin-walled vessels, located in the upper dermis, that stains positive with podoplanin (D2-40). We report a new case of LM with an additional clinical feature, hypopigmented areas.


Assuntos
Anormalidades Linfáticas , Neoplasias Cutâneas , Telangiectasia , Dermoscopia , Humanos
13.
Nat Commun ; 12(1): 163, 2021 01 08.
Artigo em Inglês | MEDLINE | ID: mdl-33420034

RESUMO

Dynamic combinatorial chemistry applied to biological environments requires the exchange chemistry of choice to take place under physiological conditions. Thiol-disulfide exchange, one of the most popular dynamic combinatorial chemistries, usually needs long equilibration times to reach the required equilibrium composition. Here we report selenocystine as a catalyst mimicking Nature's strategy to accelerate thiol-disulfide exchange at physiological pH and low temperatures. Selenocystine is able to accelerate slow thiol-disulfide systems and to promote the correct folding of an scrambled RNase A enzyme, thus broadening the practical range of pH conditions for oxidative folding. Additionally, dynamic combinatorial chemistry target-driven self-assembly processes are tested using spermine, spermidine and NADPH (casting) and glucose oxidase (molding). A non-competitive inhibitor is identified in the glucose oxidase directed dynamic combinatorial library.


Assuntos
Biomimética/métodos , Cistina/análogos & derivados , Dissulfetos/química , Dobramento de Proteína , Compostos de Sulfidrila/química , Catálise , Ativação Enzimática , Glucose Oxidase/química , Glucose Oxidase/metabolismo , Concentração de Íons de Hidrogênio , Cinética , Compostos Organosselênicos , Oxirredução , Ribonuclease Pancreático/química , Ribonuclease Pancreático/metabolismo , Temperatura
14.
Rev Fac Cien Med Univ Nac Cordoba ; 77(4): 291-295, 2020 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-33351376

RESUMO

INTRODUCTION: This study addresses the relationship between social determinants in poverty contexts, parenting practices, and the psychomotor development of children aged 0 to 5 in the city of Córdoba. METHODS: The Screening for psychomotor development problems at primary care level (PRUNAPE, Prueba Nacional de Pesquisa), the Parenting Practices Instrument (Instrumento de Prácticas de Crianza), and the Family Environment Questionnaire (Cuestionario de Ambiente Familiar) were applied to the mother-child coupling (246 cases). The data were analyzed based on the frequency of the categorical variables, and the summary measures of assessable variables and associations were evaluated with the chi-squared test for categorical variables, ANOVA and non-parametric test for the assessable ones. RESULTS: A 95% confidence level was considered. Children have a close relationship with their social and environmental determinants, the development of 3 out of 10 children is at risk. The father's educational level (p<0.001) and the mother's employment status (or father's) (p<0.001) were associated. The parenting practice risk was predominant in cases where the adult does not interpret the child's signals 16.66%; does not interact with songs, stories nor games 16.66%, and does not receive parenting help 20.73%. Children whose parents do not perceive their autonomy have approximately twice the risk of not passing the PRUNAPE (p<0.02, OR: 1.96; IC: 1.11-3.49). CONCLUSION: It may be assumed that the course of development, as a process, is associated with adult-child interaction, mother-child communication and the visualization that parents have of the children' autonomy.


Assuntos
Poder Familiar , Pobreza , Pré-Escolar , Escolaridade , Humanos , Lactente , Recém-Nascido , Pais , Inquéritos e Questionários
15.
ACS Omega ; 5(41): 26307-26315, 2020 Oct 20.
Artigo em Inglês | MEDLINE | ID: mdl-33110958

RESUMO

Protein-directed dynamic combinatorial chemistry (P-D DCC) is considered a powerful strategy to identify ligands to pharmacologically relevant protein targets. The protein selects its affinity ligands in situ through a thermodynamic templated effect in which the library composition shifts to the formation of specific library members at the expense of other (nonbinding) species. The increase in concentration of the selected species is known as amplification and leads to the discovery of new hit compounds for protein targets. This Mini-Review contains an updated overview of the protein-directed DCC applications and the fundamental aspects to take into account when designing a P-D DCC experiment such as the most biocompatible reversible reactions and the methodology used to analyze the experiments.

16.
Front Psychiatry ; 11: 232, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32292359

RESUMO

OBJECTIVE: To estimate the prevalence of mood and anxiety disorders among adults seeking care in primary healthcare centers in Cordoba city, Argentina. METHODS: Cross-sectional analysis of a random sample of adults 18-69 years of age seeking care for general health problems in public (i.e., government-funded) primary healthcare centers in Cordoba city, Argentina in 2010-2011. Mood and anxiety disorders were assessed in the participants' lifetime, and in the last 12 months and 30 days using the World Mental Health Composite International Diagnostic Interview 3.0, and defined following the International Classification of Diseases, tenth revision. RESULTS: Overall, 1,067 participants were included in the current analysis [mean age 35.6 (SD 13.2) years, 83.7% female]. The lifetime, 12-month and 30-day prevalence of any mood or anxiety disorder was 40.4% [95% confidence interval (95%CI) 37.4-43.4%], 20.1% (17.8-22.7%) and 7.8% (6.2-9.6%), respectively. The prevalence of anxiety disorders was higher compared to mood disorders when assessed in the participants' lifetime [29.7% (95%CI 27.0-32.5%) versus 19.3% (17.0-21.8%)], and in the last 12 months [14.9% (12.8-17.2%) versus 8.7% (7.1-10.6%)] and 30 days [5.8% (4.5-7.4%) versus 2.3% (1.5-3.4%)]. Age and marital status-adjusted odds ratios for any mood or anxiety disorder in the participants' lifetime and in the last 12 months and 30 days comparing women versus men were 1.19 (95%CI 0.85-1.67), 1.70 (1.07-2.69), and 2.26 (1.02-5.00), respectively. CONCLUSION: The prevalence of mood and anxiety disorders is high among adults seeking care in primary healthcare centers in Cordoba city, particularly among women. Integration of primary and mental health services is warranted.

17.
Rev. chil. salud pública ; 24(1): 49-54, 2020.
Artigo em Espanhol | LILACS | ID: biblio-1121736

RESUMO

INTRODUCCIÓN: El objetivo del presente estudio fue analizar la edad de la mujer al momento del diagnóstico de cáncer de mama, el estadio del mismo y los antecedentes familiares de cáncer de mama en las mujeres que consultaron en el ámbito público de la Ciudad de Córdoba durante el período 2004-2010. MATERIAL Y MÉTODOS: El presente fue un estudio observacional efectuado en cuatro instituciones públicas, a partir del total de datos de los Servicios de Anatomía Patológica y Estadística registrados en las historias clínicas (n=1423). Se evaluó la tendencia de edad de diagnóstico con regresión lineal y el tipo histológico y grado del tumor según la edad de la mujer, con regresión de Poisson. RESULTADOS: En relación a la edad del diagnóstico, el 8,74% de las mujeres estudia-das eran menores a 40 años, lo cual representa una mayor proporción a los valores in-formados en la literatura mundial. En relación a la distribución por edad del total de pacientes con cáncer de mama, la mayor frecuencia fue en el grupo de 50 a 59 años. DISCUSIÓN: La proporción de mujeres mayores de 40 años detectadas en estadio tardío fue el 44,22%, siendo superior a los valores informados en los países desarrollados. La tendencia de edad de diagnóstico se incrementó en un 0,39 por año, y no hubo cambio en el tipo del estadio. En términos de antecedentes familiares, se detectó la presencia en el 15,95% de los casos, si bien es de destacar que la frecuencia de registro de estos antecedentes en las historias clínicas fue limitada


INTRODUCTION: The aim of this study was to analyze the age at which women treated in public hospitals in the City of Córdoba, Argentina from 2004 to 2010 were diagnosed with breast cancer, their stage at diagnosis, and their family history of breast cancer. MATERIAL AND METHODS: This study was carried out in four public institutions, using the to-tal number of cases registered in medical records by the pathology and statistical services (n=1423). Trends in age at diagnosis over the study period was evaluated with linear regres-sion, and tumor stage and histology according to age was analyzed with Poisson regression. RESULTS: In terms of diagnostic age, 8.74% of the women studied were under 40 years of age, which represents a higher percentage of cases, in comparison with international literature. With regards to age distribution, the greatest number of cases was observed in the group be-tween 50 and 59 years of age. DISCUSSION: The proportion of women older than 40 years detected with late stage cancer was 44.22%, which is higher than the values reported in developed countries. The diagnostic age trend increased by 0.39 per year, and there was no change in the stage at diagnosis. Finally, 15.95% of the women had reported family history of breast cancer, although it is noteworthy that the frequency of recording family history in the medical charts was limited.


Assuntos
Humanos , Feminino , Adolescente , Adulto , Pessoa de Meia-Idade , Adulto Jovem , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/epidemiologia , Argentina/epidemiologia , Neoplasias da Mama/patologia , Família , Modelos Lineares , Fatores Etários , Distribuição por Idade , Hospitais Públicos/estatística & dados numéricos , Anamnese , Estadiamento de Neoplasias
18.
Nat Commun ; 10(1): 2798, 2019 06 26.
Artigo em Inglês | MEDLINE | ID: mdl-31243268

RESUMO

Dynamic combinatorial chemistry (DCC) has proven its potential in drug discovery speeding the identification of modulators of biological targets. However, the exchange chemistries typically take place under specific reaction conditions, with limited tools capable of operating under physiological parameters. Here we report a catalyzed protein-directed DCC working at low temperatures that allows the calcium sensor NCS-1 to find the best ligands in situ. Ultrafast NMR identifies the reaction intermediates of the acylhydrazone exchange, tracing the molecular assemblies and getting a real-time insight into the essence of DCC processes at physiological pH. Additionally, NMR, X-ray crystallography and computational methods are employed to elucidate structural and mechanistic aspects of the molecular recognition event. The DCC approach leads us to the identification of a compound stabilizing the NCS-1/Ric8a complex and whose therapeutic potential is proven in a Drosophila model of disease with synaptic alterations.


Assuntos
Cálcio/metabolismo , Biblioteca Gênica , Proteínas Sensoras de Cálcio Neuronal/metabolismo , Animais , Catálise , Células Cultivadas , Técnicas de Química Combinatória , Drosophila/fisiologia , Imageamento por Ressonância Magnética , Masculino , Membranas Artificiais , Camundongos , Proteínas Sensoras de Cálcio Neuronal/genética , Neurônios/metabolismo , Palmitoil-CoA Hidrolase , Permeabilidade , Conformação Proteica , Proteínas
19.
Echocardiography ; 36(2): 336-344, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30592779

RESUMO

OBJECTIVES: To evaluate whether carotid disease is associated with coronary artery disease (CAD) extension in patients undergoing treadmill exercise stress echocardiography (EE). METHODS: We retrospectively studied 156 patients without previous vascular disease who underwent EE, carotid ultrasonography, and coronary angiography between 2002 and 2013. Low-, intermediate-, and high-risk EE were defined as negative, localized ischemia, and multivessel/extensive ischemia EE respectively; carotid disease according to Mannheim and American Society of Echocardiography Consensus and CAD extension from zero to three vessel disease as stenosis ≥50% by visual assessment. RESULTS: Of the 156 patients, 67 (42.9%), 43 (27.6%), 22 (14.1%), and 24 (15.4%) had zero, one, two, and three vessel disease respectively. Age (P = 0.047), male sex (P = 0.010), diabetes mellitus (P = 0.039), smoking habit (P = 0.015), fasting plasma glucose (P = 0.021), European Systematic COronary Risk Evaluation (P = 0.003), pretest CAD probability (P = 0.003), high-risk EE (P < 0.001), and carotid plaque presence (CP) (P < 0.001) were associated in univariate analysis with more extensive CAD. Predictors of CAD extension in multivariate analysis were high-risk EE (odds ratio [OR] 2.42, P < 0.001), CP presence (OR 1.75, P = 0.004), and pretest CAD probability >65% (OR 1.49, P = 0.023). CP was also associated with multivessel CAD in the 53 patients with low- or intermediate-risk EE (P = 0.001). CONCLUSIONS: CP is associated with CAD extension in patients with ischemic heart disease suspicion undergoing EE. Patients with CP could benefit from a more aggressive therapeutic strategy regarding patients without carotid disease and similar risk EE, especially in intermediate- and/or low-risk test where guidelines recommend initially optimal medical treatment.


Assuntos
Doenças das Artérias Carótidas/complicações , Doenças das Artérias Carótidas/diagnóstico por imagem , Doença da Artéria Coronariana/complicações , Doença da Artéria Coronariana/diagnóstico por imagem , Ecocardiografia sob Estresse/métodos , Idoso , Artérias Carótidas/diagnóstico por imagem , Artérias Carótidas/patologia , Doenças das Artérias Carótidas/fisiopatologia , Doença da Artéria Coronariana/patologia , Feminino , Humanos , Masculino , Estudos Retrospectivos , Ultrassonografia/métodos
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