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AI Overview Cellular senescence is a state of irreversible growth arrest that stops damaged or aged cells from dividing. While it acts as a crucial barrier to cancer progression, senescent cells accumulate in tissues, driving inflammation and aging.The reference to "Mooi" and "Peeper" relates to a landmark medical review published by pathologists W.J. Mooi and D.S. Peeper in the New England Journal of Medicine. Their work highlighted several key concepts regarding cell senescence:Oncogene-Induced Senescence (OIS): Mooi and Peeper emphasized that when potentially cancerous (oncogenic) mutations occur, cells often undergo senescence rather than becoming fully malignant tumors.Tumor Suppression: This senescence functions as a physiological safety mechanism to halt the replication of benign or premalignant cells, effectively preventing them from progressing to cancer.Double-Edged Sword: While this arrest prevents tumor growth, the senescent cells remain viable. They begin secreting a mix of inflammatory and growth factors known as the Senescence-Associated Secretory Phenotype (SASP). These secretions can paradoxically promote tissue aging and stimulate surrounding cells to become tumorigenic.To read their foundational review, you can access the full abstract on the New England Journal of Medicine or view the paper details on PubMed. For a broader scientific overview of how this mechanism affects aging, you can explore the Journal of Cell Biology.

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The innate immune sensor Toll-like receptor 2 controls the ...
Cellular senescence is a state of irreversible growth arrest that stops damaged or aged cells from dividing. While it acts as a crucial barrier to cancer progression, senescent cells accumulate in tissues, driving inflammation and aging. [1, 2]
The reference to "Mooi" and "Peeper" relates to a landmark medical review published by pathologists W.J. Mooi and D.S. Peeper in the New England Journal of Medicine. Their work highlighted several key concepts regarding cell senescence: [1, 2]
  • Oncogene-Induced Senescence (OIS): Mooi and Peeper emphasized that when potentially cancerous (oncogenic) mutations occur, cells often undergo senescence rather than becoming fully malignant tumors.
  • Tumor Suppression: This senescence functions as a physiological safety mechanism to halt the replication of benign or premalignant cells, effectively preventing them from progressing to cancer.
  • Double-Edged Sword: While this arrest prevents tumor growth, the senescent cells remain viable. They begin secreting a mix of inflammatory and growth factors known as the Senescence-Associated Secretory Phenotype (SASP). These secretions can paradoxically promote tissue aging and stimulate surrounding cells to become tumorigenic. [1, 2, 3, 4, 5]
To read their foundational review, you can access the full abstract on the New England Journal of Medicine or view the paper details on PubMed. For a broader scientific overview of how this mechanism affects aging, you can explore the Journal of Cell Biology. [1]

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