查看”瑟土因” 可控制人體細胞的老化和死亡率 以及抗壓能力。 Sirtuins are a family of signaling proteins involved in metabolic regulation. They are ancient in animal evolution and appear to possess a highly conserved structure throughout all kingdoms of life. Whereas bacteria and archaea encode either one or two sirtuins, eukaryotes encode several sirtuins in their genomes.