objective(s): nitric oxide (no), a product of inducible nitric oxide synthase (inos), contributes in germ cell apoptosis. this study was aimed to evaluate the effects of aloe vera gel (avg) on male wistar rat reproductive organ, serum no level, and expression of inos gene in leydig cells. materials and methods:adult male wistar rats (n=36) were used for experiments in three groups. the experime...

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BACKGROUND AND PURPOSE Silent information regulator 2 homolog 1 (SIRT1) is a protein deacetylase that has been reported to suppress neurodegenerative and cardiovascular diseases in model organisms. We hypothesized that neurovascular protection is one of the diverse actions of SIRT1. This study was designed to determine whether SIRT1 protects against the consequences of cerebral hypoperfusion in...