نتایج جستجو برای: irs2
تعداد نتایج: 621 فیلتر نتایج به سال:
A serine/threonine kinase Akt is a key mediator in various signaling pathways including regulation of renal tubular transport. In proximal tubules, Akt mediates insulin signaling via insulin receptor substrate 2 (IRS2) and stimulates sodium-bicarbonate cotransporter (NBCe1), resulting in increased sodium reabsorption. In insulin resistance, the IRS2 in kidney cortex is exceptionally preserved a...
We have identified circular DNAs containing the kappa light chain constant region (C kappa), as well as the excision products of V kappa-J kappa and V lambda-J lambda joining in adult mouse splenocytes. Analysis of C kappa-positive circular DNA clones revealed two recombination sites (intron recombining sequence [IRS]1 and -2) within the germline J kappa-C kappa intron region and the recombinin...
Insulin resistance is a fundamental pathogenic factor that characterizes various metabolic disorders, including obesity and type 2 diabetes. Adipose tissue contributes to the development of obesity-related insulin resistance through increased release of fatty acids, altered adipokine secretion, and/or macrophage infiltration and cytokine release. Here, we aimed to analyze the participation of t...
Insulin receptor substrate 4 (IRS4) belongs to a family of cytoplasmic docking proteins mediating signals from cell surface receptors to downstream effectors. While IRS1 and IRS2 mediate signals from an active receptor, we found that IRS4 hyperactivates the phosphatidylinositol phosphate kinase (PI3K)-pathway independent of upstream signals and is irresponsive to feedback regulation causing can...
Background: Insulin actions are decreased in endothelial cells causing vascular dysfunction in diabetic and insulin resistant states. Results: IRS2 and p85 subunit of PI3Kinase are targets of PKC and angiotensin activation inhibiting insulin signaling. Conclusion: PKC and angiotensin activation inhibit selective insulin activation of Akt/eNOS in endothelial cells. Significance: We provide a bio...
Context. Highly-collimated outflows are believed to be the earliest stage in outflow evolution, so their study is essential for understanding the processes driving outflows. The BHR71 Bok globule is known to harbour such a highly-collimated outflow, which is powered by a protostar belonging to a protobinary system. Aims. We aimed at investigating the interaction of collimated outflows with the ...
The induction of autophagy in the mammalian heart during the perinatal period is an essential adaptation required to survive early neonatal starvation; however, the mechanisms that mediate autophagy suppression once feeding is established are not known. Insulin signaling in the heart is transduced via insulin and IGF-1 receptors (IGF-1Rs). We disrupted insulin and IGF-1R signaling by generating...
Menin, a protein encoded by the MEN1 gene, is mutated in patients with multiple endocrine neoplasia type 1 (MEN1). Menin acts as a tumor suppressor in endocrine organs while it is also required for transformation of a subgroup of leukemia. The recently solved crystal structure of menin with different binding partners reveals that menin is a key scaffold protein that cross-talks with various par...
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