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Induction of epithelial cell senescence by SERPINE1 derived from fibroblasts in the amnion at parturition

11 months 2 weeks ago
Senescence of amnion epithelial cells not only disrupts the fetal membrane structure, but also becomes a source of proinflammatory signals contributing to membrane inflammation at parturition. However, the trigger initiating their senescence awaits identification. In this study, we found that SERPINE1 abundance was significantly increased in the amnion at parturition, where SERPINE1 was found predominantly expressed in amnion fibroblasts. SERPINE1 from amnion fibroblasts induced amnion...
Li-Jun Ling

Abeta-driven nuclear pore complex dysfunction alters activation of necroptosis proteins in a mouse model of Alzheimer's disease

11 months 2 weeks ago
The emergence of Aβ pathology is one of the hallmarks of Alzheimer's disease (AD), but the mechanisms and impact of Aβ in progression of the disease is unclear. The nuclear pore complex (NPC) is a multi-protein assembly in mammalian cells that regulates movement of macromolecules across the nuclear envelope; its function is shown to undergo age-dependent decline during normal aging and is also impaired in multiple neurodegenerative disorders. Yet not much is known about the impact of Aβ on NPC...
Vibhavari Aysha Bansal

Structural features of DNA and their potential contribution to blind mole rat (Nannospalax xanthodon) longevity

11 months 2 weeks ago
Recent research has shifted the focus from the genetic code of DNA to its structural variations, which significantly impact cancer, genetic diseases, and gene regulation. Structural changes, such as the transition from B-DNA to A-DNA, influence DNA stability and flexibility and are affected by factors like DNA methylation and sugar puckering. This study is the first to investigate the relationship between DNA conformational changes and lifespan in two rodent species. The analysis focused on...
Gamzenur Sönmez