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  "path": "/news/2026-05-overlooked-protein-fast-male-fertility.html",
  "publishedAt": "2026-05-30T13:00:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "A study led by researchers at the Universitat Autònoma de Barcelona (UAB) and the Josep Carreras Leukemia Research Institute (IJC) along with researchers from Rutgers University (U.S.) has identified the Sirtuin 7 (SIRT7) protein as a new essential factor in maintaining the genome stability of male germ cells over time. The study, conducted with mice, is published in the journal Nature Communications.",
  "title": "An overlooked protein may decide how fast male fertility starts to unravel with age"
}