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O-GlcNAc transferase regulates H2O2 production via p38 MAPK

Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease characterized by augmented transforming growth factor-{beta} (TGF-{beta}) signaling leading to excessive extracellular matrix (ECM) deposition. The fibroblast-to-myofibroblast-transition (FMT) and metabolic reprogramming of lung fibroblasts (HLFs) are essential to IPF pathogenesis, yet the connection between nutrient metabolism and fibrogenesis remains poorly defined. The O-linked N-acetylglucosamine (O-GlcNAc)...

bioRxiv 10d ago

Proteomic analysis of human leptomeningeal matrisome identifies changes in Alzheimer's disease

The leptomeninges (arachnoid and pia) are the inner layers of the meninges that envelope the brain. They define the borders of the subarachnoid space (SAS) where cerebrospinal fluid (CSF) circulates. Leptomeninges act as the barrier tissue and contribute to fluid exchange and immune function of the brain.

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Aging does not occur uniformly throughout an organism but is instead differentially regulated across distinct physiological systems. In particular, reproductive aging is often temporally distinct from somatic aging and exhibits species-specific trajectories, suggesting that different physiological functions may age independently. Here we show that mutation of inx-20, an innexin family gene encoding a gap junction component, markedly extends reproductive span, with only a minor increase in...

bioRxiv 3d ago

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bioRxiv 1d ago