Results 31 to 40 of about 22,792 (231)

A técnica do cone para correção da anomalia de Ebstein: resultados imediatos e em longo prazo

open access: yesArquivos Brasileiros de Cardiologia, 2011
FUNDAMENTO: As principais correções da anomalia de Ebstein (AE) baseiam-se na reconstrução monocúspide da valva tricúspide e são limitadas pela frequente necessidade de substituição ou pela alta reincidência de insuficiência valvar.
José Pedro da Silva   +7 more
doaj  

Cold‐Induced Lipidomic Remodelling Is Associated With Brown Adipose Tissue Mean Radiodensity in Humans

open access: yesDiabetes, Obesity and Metabolism, Volume 28, Issue 7, Page 5810-5826, July 2026.
ABSTRACT Aims Cold exposure activates brown adipose tissue (BAT) and promotes thermogenic and metabolic adaptations. While BAT activation has been linked to improved cardiometabolic health, how acute cold exposure reshapes the circulating lipidome in humans remains incompletely understood.
Yu Zhang   +7 more
wiley   +1 more source

Social vulnerability shapes deep clinical phenotypes and brain health in aging and dementia across Latin America

open access: yesAlzheimer's &Dementia, Volume 22, Issue 6, June 2026.
Abstract INTRODUCTION Adverse social conditions across the life course influence brain aging and dementia, yet their compounded impact on clinical phenotypes remains underexplored, particularly in Latin America, where social inequality and dementia burden are high.
Temitope Farombi   +36 more
wiley   +1 more source

Variaciones hematológicas en ovejas infectadas experimentalmente con trypanosoma vivax

open access: yesRevista Científica, 2010
Con el objeto de conocer la fisiopatología de la anemia que un aislado venezolano de T. vivax provoca en pequeños rumiantes, 9 ovejas mestizas West-African de 2 años de edad y 25,9 Ó 3 kg promedio de peso, se seleccionaron con el uso de la tabla de
E. Sandoval, E. Espinosa, A. Valle
doaj  

Genética e fisiopatologia dos transtornos depressivos

open access: yesBrazilian Journal of Psychiatry, 1999
Fatores genéticos, neurobiológicos e ambientais participam da gênese das depressões. Esta breve revisão visa enfatizar os estudos sobre os aspectos genéticos, neuroquímicos e neuroanatômicos na etiologia e fisiopatologia das depressões e suas implicações
Beny Lafer, Homero Pinto Vallada Filho
doaj   +1 more source

Increased Brown Adipose Tissue Thermogenesis in Phenylketonuria

open access: yesMedComm, Volume 7, Issue 6, June 2026.
In phenylketonuria (PKU), elevated phenylalanine (Phe) increases hepatic fibroblast growth factor 21 (FGF21) and thyroid hormones, enhancing brown adipose tissue (BAT) thermogenesis in patients. Central FGF21 reproduces this phenotype in rodents via reduced hypothalamic AMP‐activated protein kinase (AMPK) activity in the ventromedial nucleus of the ...
Noemí López‐Rey   +18 more
wiley   +1 more source

Fisiopatologia das doenças falciformes: da mutação genética à insuficiência de múltiplos órgãos The pathophysiology of sickle cell disease: from the genetic mutation to multiorgan disfunction

open access: yesRevista Brasileira de Hematologia e Hemoterapia, 2007
As principais alterações fisiopatológicas das doenças falciformes são revistas, levando em conta três níveis: a) moléculas e células, b) tecidos, c) organismo completo.
Marco Antonio Zago   +1 more
doaj   +1 more source

Genome‐Wide DNA Methylation Changes Induced by High‐Fat Diet and Methyl Donor Supplementation in Female Lupus Models: An Exploratory Study

open access: yesMolecular Nutrition &Food Research, Volume 70, Issue 11, 15 June 2026.
A high‐fat diet induces widespread DNA methylation changes in adipose tissue in lupus‐prone mice, while methyl‐donor supplementation (folic acid and vitamin B12) modulates inflammatory pathways, including IL‐17 signaling, in a diet‐dependent manner. ABSTRACT This exploratory study investigated the interactive effects of dietary fat content and methyl ...
Amanda Alves Ribeiro   +12 more
wiley   +1 more source

Transtornos afetivos: pesquisa e perspectivas para o futuro

open access: yesBrazilian Journal of Psychiatry, 1999
Neste breve comentário, áreas particularmente promissoras de pesquisa básica e clínica que visam elucidar a etiologia e fisiopatologia dos transtornos afetivos são sumarizadas. Perspectivas para pesquisa e desenvolvimento futuro são brevemente discutidas,
Soares Jair C.
doaj  

Planetary Health Diet Adherence Improves Weight and Body Composition During Energy Restriction

open access: yesObesity, Volume 34, Issue 6, Page 1265-1276, June 2026.
ABSTRACT Objective Obesity management relies on energy restriction, yet the contribution of dietary quality to weight‐loss and body composition outcomes during hypocaloric interventions remains poorly characterized. This study evaluated whether adherence to the Planetary Health Diet (PHD), as a measure of diet quality, and its key components is ...
Paola Mogna‐Peláez   +13 more
wiley   +1 more source

Home - About - Disclaimer - Privacy