그리고 그들은 90~100살까지 사는 사람들이 daf-2 변이, 즉 IGF-1 수용기를 만드는 유전자에 변형이 있을 확률이 높다는 것을 밝혀냈습니다
And what they found was that people who lived to 90 or 100 were more likely to have daf-2 mutations -- that is, changes in the gene that encodes the receptor for IGF-1.