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Articular cartilage corefucosylation regulates tissue resilience in osteoarthritis

2 months 1 week ago
This study aimed to investigate the glycan structural changes that occur before histological degeneration in osteoarthritis (OA) and to determine the mechanism by which these glycan conformational changes affect cartilage degeneration. An OA model was established in rabbits using mannosidase injection, which reduced high-mannose type N-glycans and led to cartilage degeneration. Further analysis of glycome in human OA cartilage identified specific corefucosylated N-glycan expression patterns....
Kentaro Homan

Higher total energy costs strain the elderly, especially low-income, across 31 developed countries

2 months 1 week ago
Addressing the total energy cost burden of elderly people is essential for designing equitable and effective energy policies, especially in responding to energy crisis in an aging society. It is due to the double impact of energy price hikes on households-through direct impact on fuel bills and indirect impact on the prices of goods and services consumed. However, while examining the household energy cost burden of the elderly, their indirect energy consumption and associated cost burden remain...
Peipei Tian

Polr3b heterozygosity in mice induces both beneficial and deleterious effects on health during ageing with no effect on lifespan

2 months 1 week ago
The genetic pathways that modulate ageing in multicellular organisms are typically highly conserved across wide evolutionary distances. Recently RNA polymerase III (Pol III) was shown to promote ageing in yeast, C. elegans and D. melanogaster. In this study we investigated the role of Pol III in mammalian ageing using C57BL/6N mice heterozygous for Pol III (Polr3b^(+/-) ). We identified sexually dimorphic, organ-specific beneficial as well as detrimental effects of the Polr3b^(+/-) mutation on...
Gillian Borland