The overexpression of major antioxidant enzymes does not extend the lifespan of mice.
The overexpression of major antioxidant enzymes does not extend the lifespan of mice.
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DOI:
10.1111/j.1474-9726.2008.00449.x
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发表时间:
2009-02
期刊:
影响因子:
7.8
通讯作者:
Richardson A
中科院分区:
文献类型:
--
作者:
Pérez VI;Van Remmen H;Bokov A;Epstein CJ;Vijg J;Richardson A
We evaluated the effect of overexpressing antioxidant enzymes on the lifespans of transgenic mice that overexpress copper zinc superoxide dismutase (CuZnSOD), catalase, or combinations of either CuZnSOD and catalase or CuZnSOD and manganese superoxide dismutase (MnSOD). Our results show that the overexpression of these major antioxidant enzymes, which are known to scavenge superoxide and hydrogen peroxide in the cytosolic and mitochondrial compartments, is insufficient to extend lifespan in mice.
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