N1-Acetylspermidine Is a Determinant of Hair Follicle Stem Cell Fate

May 2021 in “ Journal of Cell Science ”

Kira Allmeroth, Christine S. Kim, Andrea Annibal, Andromachi Pouikli, Janis Koester, Maxime Derisbourg, Carlos Andrés Chacón‐Martínez, Christian Latza, Adam Antebi, Peter Tessarz, Sara A. Wickström, Martin S. Denzel

N1-acetylspermidine hair follicle stem cells polyamines SSAT stem cell fate self-renewal proliferation differentiation

TLDR N1-acetylspermidine promotes hair follicle stem cell self-renewal.

The study explored the role of N1-acetylspermidine (N1-AcSpd) in determining hair follicle stem cell (HFSC) fate, revealing its crucial role in promoting stem cell maintenance and self-renewal. Researchers found that N1-AcSpd increased the number of α6+/CD34+ stem cells, enhanced cell cycle progression, and influenced cell fate decisions independently of mRNA translation. Elevated levels of N1-AcSpd were associated with HFSC activation and differentiation, particularly in young mice, suggesting its potential as a treatment for hair loss and age-related tissue homeostasis decline. The study provided insights into the molecular mechanisms controlling HFSC behavior, highlighting N1-AcSpd as a potential therapeutic target for hair loss conditions.

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