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Article Dans Une Revue Journal of Cell Biology Année : 2024

Regulation of cell function and identity by cellular senescence

Résumé

During aging and in some contexts, like embryonic development, wound healing, and diseases such as cancer, senescent cells accumulate and play a key role in different pathophysiological functions. A long-held belief was that cellular senescence decreased normal cell functions, given the loss of proliferation of senescent cells. This view radically changed following the discovery of the senescence-associated secretory phenotype (SASP), factors released by senescent cells into their microenvironment. There is now accumulating evidence that cellular senescence also promotes gain-of-function effects by establishing, reinforcing, or changing cell identity, which can have a beneficial or deleterious impact on pathophysiology. These effects may involve both proliferation arrest and autocrine SASP production, although they largely remain to be defined. Here, we provide a historical overview of the first studies on senescence and an insight into emerging trends regarding the effects of senescence on cell identity.
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Dates et versions

hal-04631598 , version 1 (02-07-2024)

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Anda Huna, Amélie Massemin, Gabriela Makulyte, Jean-Michel Flaman, Nadine Martin, et al.. Regulation of cell function and identity by cellular senescence. Journal of Cell Biology, 2024, 223, ⟨10.1083/jcb.202401112⟩. ⟨hal-04631598⟩
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