sir2

Parishin (Parishin A) A 是一种酚类葡萄糖苷，从天麻中分离得到。Parishin 通过调节 Sir2 Uth1 TOR 信号通路而具有抗衰老作用，并延长酵母寿命。

Nicotinamide 是维生素 B3 的吡啶核苷形式，可作为烟酰胺腺嘌呤二核苷酸或 NAD+ 的前体，可通过膳食摄入来补充，能预防或治疗黑舌病和糙皮病。

Sirtinol 是一种 sirtuin 的抑制剂，对 ySir2，hSIRT2 和 hSIRT2 的IC50值分别为 48 μM，57.7 μM 和 131 μM。

2-Dodecanol有效抑制了C. albicans的菌丝形成和SIR2基因的表达。

Sirtuins (SIRTs) represent a distinct class of trichostatin A-insensitive lysyl-deacetylases (class III HDACs). Human SIRT1 is the homolog of yeast silent information regulator 2 (Sir2) and has been shown to regulate the activity of the p53 tumor suppressor and inhibit apoptosis. Small molecule activators of SIRT1, such as resveratrol, extend lifespan in yeast and C. elegans in a manner that resembles caloric restriction. CAY10591 has been identified as an activator of the enzyme SIRT1. This compound increases fluorescence by 233% in a SIRT1 activity assay. [Activator activity was defined as the percentage of signal increase relative to signal window in the following formula: 100 x (Sample - Signallow)/(Signalhigh - Signallow)]. CAY10591 suppresses TNF-α in a dose-dependent manner. In THP-1 cells, TNF-α levels decreased from 325 pg/ml (control) to 104 and 53 pg/ml with 20 and 60 µM CAY10591, respectively. This activator also has a significant dose-dependent effect on fat mobilization in differentiated adipocytes, which would indicate the potential of SIRT1 activators for anti-obesity or anti-diabetic purposes.