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Lactucopicrin promotes the autophagic degradation of MAP2K4/MKK4 by mediating CCDC50 palmitoylation to alleviate osteoarthritis progression

2 months 4 weeks ago
Macroautophagy/autophagy plays a crucial role in maintaining cellular homeostasis and protecting against osteoarthritis (OA). Its dysregulation contributes to OA progression by promoting chondrocyte senescence, inflammation, and cartilage degradation. Enhancing autophagic activity thus represents a promising therapeutic strategy for OA. In this study, we identified lactucopicrin (LCP) as an effective autophagy activator that alleviates OA progression in a mouse model induced by the...
Wenjun Li

Follicle-stimulating hormone linked to cognitive decline and amyloid burden in postmenopausal women

2 months 4 weeks ago
INTRODUCTION: Women have a higher risk of developing Alzheimer's disease (AD) than men, with hormonal changes during menopause being a potential factor. However, the exact relationship between these hormonal changes, cognitive function, and AD pathology is not fully understood. This study investigates the differential associations between serum follicle-stimulating hormone (FSH) and estradiol levels with cognitive function and cerebral amyloid-βeta (Aβ) deposition, quantified using amyloid...
Sheng-Min Wang

Impact of the 2015 Dutch Long-Term Care Reform on Nursing Home Use and Access for People With Dementia

2 months 4 weeks ago
CONCLUSION: Among older Dutch people with dementia, the 2015 Dutch LTC reform was associated with fewer NH admissions and longer waiting lists. While stabilization of the NH admissions may reflect prioritization of persons with dementia within stricter eligibility criteria, the concurrent rise in waiting list prevalence suggests that institutional capacity did not keep pace with persistent need. As a result, many older people with dementia remain longer in the community, raising concerns...
Joost D Wammes

A 5500-year-old Treponema pallidum genome from Sabana de Bogotá, Colombia

2 months 4 weeks ago
Science, Volume 391, Issue 6783, January 2026.
Davide Bozzi, Nasreen Z. Broomandkhoshbacht, Miguel Delgado, Jane E. Buikstra, Carlos Eduardo G. Amorim, Kalina Kassadjikova, Melissa Pratt Estrada, Gilbert Greub, Nicolas Rascovan, David Šmajs, Lars Fehren-Schmitz, Anna-Sapfo Malaspinas, Elizabeth A…