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硒蛋白:青春之泉?
来自日本的研究人员发现,某些被称为硒蛋白的抗氧化酶对对抗细胞衰老有显著作用。该团队使用基因敲除小鼠模型来帮助他们研究破坏硒蛋白合成的影响。这种基因敲除对造血干细胞和B细胞系免疫细胞产生负面影响,这是由于缺乏硒蛋白介导的脂质过氧化物战斗所驱动的。这些表型模拟了在年龄相关疾病中观察到的情况,强调了硒蛋白在这些疾病中的重要性。
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