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  "path": "/scientists-uncover-hidden-trigger-behind-stem-cell-aging/",
  "publishedAt": "2026-04-20T16:16:06.000Z",
  "site": "https://scitechdaily.com",
  "tags": [
    "Biology",
    "Aging",
    "Blood",
    "Immune System",
    "Molecular Biology",
    "Stem Cells",
    "University of Tokyo"
  ],
  "textContent": "A known cell-death protein turns out to quietly reshape stem cell aging. As people grow older, the body’s ability to maintain healthy blood and a strong immune system gradually weakens. A major reason is the decline of hematopoietic stem cells (HSCs), which are responsible for producing all types of blood cells. Under normal conditions, HSCs [...]",
  "title": "Scientists Uncover Hidden Trigger Behind Stem Cell Aging"
}