Sirtuins真的是“长寿蛋白”吗?NAD⁺依赖性调控与衰老机制
Sirtuins是由SIRT1—7组成的NAD⁺依赖性去酰化酶家族,参与代谢、DNA修复、线粒体稳态和炎症调控。动物研究提示部分成员可改善健康寿命,但目前尚无直接证据证明其能够延长人类最大寿命。
用于检测、定量和定位抗原与抗体的技术——ELISA、免疫印迹、免疫组化与流式细胞术。以下是我们知识库中标注该主题的实验方案、常见问题与技术文章。
Sirtuins是由SIRT1—7组成的NAD⁺依赖性去酰化酶家族,参与代谢、DNA修复、线粒体稳态和炎症调控。动物研究提示部分成员可改善健康寿命,但目前尚无直接证据证明其能够延长人类最大寿命。
Sirtuins are a family of NAD⁺-dependent deacylases comprising SIRT1–7 and are involved in metabolism, DNA repair, mitochondrial homeostasis, and inflammatory regulation. Animal studies suggest that certain members may improve healthspan, but there is currently no direct evidence that they can ...
Aging involves persistent dysregulation of nutrient sensing, energy metabolism, protein homeostasis, and chronic inflammation. IIS, mTOR, AMPK, NF-κB, and Sirtuins are interconnected through nodes including AKT, FOXO, ULK1, and NAD⁺ and jointly regulate cell growth, autophagy, stress adaptation, ...
衰老涉及营养感知、能量代谢、蛋白质稳态和慢性炎症的持续失衡。IIS、mTOR、AMPK、NF-κB和Sirtuins通过AKT、FOXO、ULK1及NAD⁺等节点相互连接,共同调控细胞生长、自噬、应激适应和衰老相关分泌表型。
常与免疫学实验一起研究的技术。