Results 61 to 70 of about 39,519 (227)

Biología del envejecimiento [PDF]

open access: yesRevista médica de Chile, 2009
Estudios de la biologia del envejecimiento han dado un vuelco significativo en el ultimo decenio. Aparte de una mayor comprension de los aspectos fisiologicos, un avance importante ha sido la identificacion de al menos una centena de genes que controlan el proceso.
Pérez, Viviana, Sierra, Felipe
openaire   +2 more sources

Frailty and Health Outcomes in People 65 Years or Older Living With Dementia: A Systematic Review of the Literature

open access: yesJournal of the American Geriatrics Society, Volume 74, Issue 3, Page 854-867, March 2026.
ABSTRACT Introduction Although frailty is considered a potentially modifiable risk factor for dementia, its influence on health outcomes in individuals with established dementia remains unclear. This study aims to systematize the current evidence to understand the impact of frailty on the development of adverse outcomes in older adults with dementia ...
Miguel German Borda   +11 more
wiley   +1 more source

Envejecimiento activo en Latinoamérica: Revisión narrativa de la literatura

open access: yesHorizonte Sanitario
Objetivo: Presentar una revisión narrativa de la literatura sobre el envejecimiento activo en Latinoamérica. Material y métodos: La búsqueda de artículos se efectuó en las bases de datos EBSCO Host, Web of Science, SciELO, Redalyc, Dialnet plus, JSTOR,
María Alejandra Favela Ocaño   +1 more
doaj   +1 more source

Boletín Envejecimiento y Desarrollo No. 1 [PDF]

open access: yes, 2005
Estrategia Regional: Los avances de Centroamérica y el Caribe Hispano. José Luis Machinea: Seguridad social: el próximo desafío. Martha Pelaez: “La vejez debe mirarse con un enfoque familiar”.

core  

Efficacy of a Multicomponent Intervention for Frailty or Physical Function in Prefrail or Frail Older Adults: FRAILMERIT Multicenter Clinical Trial

open access: yesJournal of the American Geriatrics Society, Volume 74, Issue 3, Page 658-668, March 2026.
Clinical management of the older adult. ABSTRACT Objectives Frailty is a common condition in community‐dwelling older adults with high health and socioeconomic implications. However, primary care‐led randomized trials have been scarcely tested. Design Multicenter cluster randomized clinical trial.
Adriana Abizanda Saro   +86 more
wiley   +1 more source

Datos y desafíos del envejecimiento poblacional: una reflexión sobre políticas públicas

open access: yesRevista Nuevo Humanismo, 2016
En este artículo se presentan datos acerca del envejecimiento poblacional en el mundo, con el fin de evidenciar la heterogeneidad del fenómeno, identificar algunas áreas para hacer frente a los desafíos que ya están viviéndose, así como para la creación ...
Maribel León Fernández
doaj   +1 more source

Envejecimiento normal

open access: yesRevista Estomatología, 1993
El envejecimiento normal o fisiológico está más cerca de la salud que de la enfermedad; el envejecimiento como proceso natural no es deteriorante y ésta es una idea que se debe resaltar. El envejecimiento biológico comprende los cambios orgánicos estructurales y.funcionales en los seres vivos y en el ser humano a nivel macroscópico y microscópico.
openaire   +1 more source

Differential contribution of T‐type voltage‐gated calcium channels to vascular reactivity in the aorta and renal artery of healthy rabbits

open access: yesExperimental Physiology, Volume 111, Issue 3, Page 1498-1512, 1 March 2026.
Abstract figure T‐type VGCCs contribute to the contraction of the rabbit aorta and modulate both contraction and vasodilation in the rabbit renal artery. α1, alpha 1 adrenergic receptor; ATR, angiotensin II receptor; Ang II, angiotensin II; CaM, calmodulin; Cav3, T‐type voltage‐gated Ca2⁺ channels; cGMP, cyclic guanidine monophosphate; EC, endothelial ...
Andrea Suarez   +6 more
wiley   +1 more source

Telomerase and alternative lengthening of telomeres coexist in the regenerating zebrafish caudal fins

open access: yesEMBO Reports
Telomeres are essential for chromosome protection and genomic stability, and telomerase function is critical for organ homeostasis. Zebrafish is a useful vertebrate model for understanding cellular and molecular mechanisms of regeneration.
Elena Martínez-Balsalobre   +7 more
doaj   +1 more source

Detecting early memory changes in preclinical Alzheimer's disease using TabCAT favorites test: Data from the European Prevention of Alzheimer's Disease (EPAD) cohort

open access: yesAlzheimer's &Dementia, Volume 22, Issue 2, February 2026.
Abstract INTRODUCTION Sensitive memory paradigms may allow the detection of subtle memory changes associated with early Alzheimer's pathology in individuals without established clinical symptomatology. METHODS We explored the cross‐sectional association between performance on Tablet‐based Cognitive Assessment Tool (TabCAT) Favorites, a brief ...
Anna Brugulat‐Serrat   +9 more
wiley   +1 more source

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