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The 'mitochondrial guardian' α-amyrin links colourful fruit consumption to cognitive resilience

3 months 1 week ago
Mitochondrial quality control is essential for maintaining neuronal function and resilience during aging, yet pharmacological strategies that effectively restore mitophagy to maintain mitochondrial homeostasis remain limited. Emerging evidence suggests that dietary molecules may influence mitochondrial health, although the underlying mechanisms are largely unknown. Here, we summarize our recent finding whereby we have identified a robust mitophagy inducer: α-amyrin (αA). This molecule is a...
Shu-Qin Cao

Volunteer Leadership in Older Adults' Self-Guided Learning Groups in Taiwan: Motivations and Management Processes Through an Ecological Lens

3 months 1 week ago
As global populations age, active aging and lifelong learning have become critical policy objectives. In Taiwan, the Ministry of Education (MOE) promotes Older Adults' Self-Guided Learning Groups (OASLGs); however, the sustainability of these groups relies heavily on volunteer leaders. This study investigates the motivations and management processes of "Excellent Leaders" in OASLGs using a qualitative approach. Drawing on Bronfenbrenner's ecological systems theory, we analyzed semistructured...
Shu-Chuan Wu

Organelle interactome disruption: The systemic pathological mechanisms and therapeutic prospects of mitochondria-lysosome-ER crosstalk in Alzheimer's disease

3 months 1 week ago
The traditional pathological framework of Alzheimer's disease (AD) primarily focuses on the accumulation of β-amyloid (Aβ) and tau proteins. However, therapeutic strategies targeting these molecules have repeatedly encountered setbacks in clinical translation. Recent studies have progressively revealed that the dynamic interaction network among intracellular organelles plays a central role in the pathogenesis of AD. This systematic review examines the independent dysfunctions of three key...
Liping Xing

TNMD BRICHOS domain attenuates tau pathology and memory deficits in a mouse model of tauopathy

3 months 1 week ago
The aberrant aggregation of tau leads to loss of its physiological functions and gain of toxic functions, and plays a crucial role in the pathogenesis of tauopathies including Alzheimer's disease (AD). Targeting tau aggregation is considered a promising strategy for treating tauopathies. The BRICHOS family consists of a variety of proteins containing the BRICHOS domain. Certain endogenous BRICHOS domains may inhibit the pathological aggregation of disease-associated proteins. However, the...
Dandan Su