Expanding hematopoietic stem cells (HSCs) ex vivo has historically been a very challenging process. In this issue of Cell Stem Cell, Kruta et al. (2021) identify heat shock factor 1 (Hsf1) as a new target to maintain HSC fitness and protein homeostasis, not only in culture conditions but also upon aging.
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http://dx.doi.org/10.1016/j.stem.2021.10.007 | DOI Listing |
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