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Towards pharmacological prevention of Alzheimer disease

4 months ago
Prevention of Alzheimer disease (AD) is a medical challenge owing to its complex pathogenesis, which involves amyloid-β (Aβ) and tau aggregation, neuroinflammation and progressive neurodegeneration. Development of disease-specific biomarkers has transformed our ability to detect AD pathology early, enabling more accurate diagnosis, monitoring and the development of targeted disease-modifying therapies. Consequently, primary and secondary prevention of AD have become feasible goals. In this...
Jorge J Llibre-Guerra

Physical activity as a modifiable risk factor in preclinical Alzheimer's disease

4 months ago
Physical inactivity is a recognized modifiable risk factor for Alzheimer's disease (AD), yet its relationship with progression of AD pathology in humans remains unclear, limiting the effective translation into prevention trials. Using pedometer-measured step counts in cognitively unimpaired older adults, we demonstrated an association between higher physical activity and slower cognitive and functional decline in individuals with elevated baseline amyloid. Importantly, this beneficial...
Wai-Ying Wendy Yau

The impact of hindlimb suspension on gastrointestinal integrity in aged rats: Segment-specific effects on inflammation and oxidative stress

4 months ago
CONCLUSION: HLS induced segment-specific changes in the aged intestine, with atrophic and inflammatory alterations in the ileum and increased markers of inflammation and oxidative stress in the colon. These findings highlight the need for targeted interventions to preserve gastrointestinal health in immobilized elderly patients.
Ahmed Al-Dwairi