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Regulation of developmental cell death in the animal kingdom: a critical analysis of epigenetic versus genetic factors

Abstract: The present paper proposes a new level of regulation of programmed cell death (PCD) in developing systems based on epigenetics. We argue against the traditional view of PCD as an altruistic "cell suicide" activated by specific gene-encoded signals with the function of favoring the development of their neighboring progenitors to properly form embryonic organs. In contrast, we propose that signals and local tissue interactions responsible for growth and differentiation of the embryonic tissues generate domains where cells retain an epigenetic profile sensitive to DNA damage that results in its subsequent elimination in a fashion reminiscent of what happens with scaffolding at the end of the construction of a building. Canonical death genes, including Bcl-2 family members, caspases, and lysosomal proteases, would reflect the downstream molecular machinery that executes the dying process rather than being master cell death regulatory signals.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Montero J.A., Lorda-Diez C.I., Hurle J.M.,

 Fuente: International Journal of Molecular Sciences 2022, 23, 1154

Editorial: MDPI

 Año de publicación: 2022

Nº de páginas: 9

Tipo de publicación: Artículo de Revista

 DOI: 10.3390/ijms23031154

ISSN: 1661-6596,1422-0067

Proyecto español: BFU2017-84046-P