The long and winding road of reprogramming-induced rejuvenation

Ali Doğa Yücel and Vadim N. Gladyshev ()
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Ali Doğa Yücel: Koc University
Vadim N. Gladyshev: Harvard Medical School

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Organismal aging is inherently connected to the aging of its constituent cells and systems. Reducing the biological age of the organism may be assisted by reducing the age of its cells - an approach exemplified by partial cell reprogramming through the expression of Yamanaka factors or exposure to chemical cocktails. It is crucial to protect cell type identity during partial reprogramming, as cells need to retain or rapidly regain their functions following the treatment. Another critical issue is the ability to quantify biological age as reprogrammed older cells acquire younger states. We discuss recent advances in reprogramming-induced rejuvenation and offer a critical review of this procedure and its relationship to the fundamental nature of aging. We further comparatively analyze partial reprogramming, full reprogramming and transdifferentiation approaches, assess safety concerns and emphasize the importance of distinguishing rejuvenation from dedifferentiation. Finally, we highlight translational opportunities that the reprogramming-induced rejuvenation approach offers.

Date: 2024
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DOI: 10.1038/s41467-024-46020-5

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