631. 烟酰胺腺嘌呤二核苷酸:代谢与功能综述 episode artwork

EPISODE · Jan 12, 2026 · 16 MIN

631. 烟酰胺腺嘌呤二核苷酸:代谢与功能综述

from 知为谁 · host 知为谁

烟酰胺腺嘌呤二核苷酸(NAD)是一种存在于所有活细胞中的关键辅酶,在能量代谢和氧化还原反应中发挥着核心作用。它以氧化态(NAD+)和还原态(NADH)两种形式相互转换,作为电子载体驱动细胞呼吸和ATP生成。此外,这种分子还参与信号转导、DNA修复和蛋白质修饰等非氧化还原过程,与衰老控制及多种疾病的生理病理密切相关。人体主要通过包含维生素B3的补救途径或利用氨基酸的从头合成途径来维持其含量。由于其在生命活动中的广泛影响力,NAD代谢已成为药物研发和延缓衰老研究的重要靶点。内容来源:https://en.wikipedia.org/wiki/Nicotinamide_adenine_dinucleotide

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631. 烟酰胺腺嘌呤二核苷酸:代谢与功能综述

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