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https://www.selleckchem.com/products/paeoniflorin.html Nuclear receptor subfamily 4 group A member 1 (NR4A1) acts as a myogenic factor in muscle development and regeneration; however, it remains unclear how Nr4a1 regulates myoblast physiology. In this study, report a role for Nr4a1-mediated regulation of cell adhesion in myoblast and muscle tissue. Nr4a1-overexpression myoblast, Nr4a1-konckdown myoblast and mice gastrocnemius muscle following an injection with an adenovirus vector expression Nr4a1 (Nr4a1-AAV) were used to observe the changes in cell adhesion. Nr4a1 was found to enhance cell-cell contact and adhesion molecule expression in myoblasts. In contrast, the deletion of Nr4a1 expression inhibited junction and adhesion between myoblasts. Moreover, Nr4a1 increased myoblast adhesion via directly binding to an upstream site of zinc finger E-box binding homeobox 1 (Zeb1), which is required for myogenesis in myoblasts. In mice, Zeb1 induced increased cadherin and integrin expression in the gastrocnemius muscle following an injection with an adenovirus vector expressing Nr4a1(Nr4a1-AAV). These data indicate that Nr4a1 regulates myoblast adhesion via Zeb1 expression.Adriamycin (ADR)-induced nephropathy is frequently utilized in rodent models of podocytopathy. However, the application of this model in mice is limited to a few strains, such as BALB/c mice. The most commonly used mouse strain, C57BL/6 (B6), is resistant to ADR-induced nephropathy, as are all mouse strains with a B6 genetic background. Reportedly, the R2140C variant of the Prkdc gene is the cause of susceptibility to ADR-induced nephropathy in mice. To verify this hypothesis, we produced Prkdc mutant B6 mice, termed B6-PrkdcR2140C, that possess the R2140C mutation. After administration of ADR, B6-PrkdcR2140C mice exhibited massive proteinuria and glomerular and renal tubular injuries. In addition, there was no significant difference in the severity between B6-PrkdcR2140C and BALB/c. These findings demon

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