During his final week as the Federal Reserve's top regulator, Michael Barr outlined several proposals that he believes would ...

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To assess whether NK cells were involved in antitumor response generated by fasting, Delconte and her team depleted these ...

“这并不表明体细胞突变导致衰老，但它们至少起到一定作用，这种可能性与理论一致。” Martincorena说。这里有两个因素在起作用：累积的突变导致寿命缩短，但缩短的寿命使得突变保护不那么关键，因此寿命较短的物种在 DNA 修复上的投入较少。