______________________________________ Rubin's teammate Amy Wagers said that GDF11 repaired DNA damage linked to aging. Wagers said earlier GDF11 research showed a change in the weakened hearts of older mice. The hearts returned to a more youthful size and beat more efficiently. Rubin团队的成员Amy Wagers表示GDF11修复了导致衰老的DNA损伤,Wagers表示早期的GDF11研究证实了年老老鼠衰弱心脏的变化.心脏变得更像年轻,心跳更有力了.