نتایج جستجو برای: sirtuins
تعداد نتایج: 972 فیلتر نتایج به سال:
AIM Sirtuins are proteins that connect energy metabolism, oxidative stress and aging. Expression of heat shock proteins (Hsps) is regulated by heat shock factors (HSFs) in response to various environmental and physiological stresses, such as oxidative stress. Oxidative stress accumulates during aging which makes cells more prone to DNA damage. Although many experimental animal models have been ...
Chromatin structure and gene expression are dynamically regulated by posttranslational modifications of histones. Recent advance in mass spectrometry has identified novel types of lysine acylations, such as butyrylation and malonylation, whose functions and regulations are likely different from those of acetylation. Sirtuins, nicotinamide adenine dinucleotide (NAD+)-dependent histone deacetylas...
Sirtuins are members of the Sir2 (silent information regulator 2) family, a group of class III deacetylases. Mammals have seven different sirtuins, SIRT1-SIRT7. Among them, SIRT1, SIRT3 and SIRT6 are induced by calorie restriction conditions and are considered anti-aging molecules. SIRT1 has been the most extensively studied. SIRT1 deacetylates target proteins using the coenzyme NAD+ and is the...
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