Please use this identifier to cite or link to this item:
http://hdl.handle.net/2445/184459| Title: | An aged bone marrow niche restrains rejuvenated hematopoietic stem cells |
| Author: | Guidi, Novella Marka, Gina Sakk, Vadim Zheng, Yi Florian, Maria Carolina Geiger, Hartmut |
| Keywords: | Medul·la òssia Rejoveniment Bone marrow Rejuvenation |
| Issue Date: | 13-Apr-2021 |
| Publisher: | Wiley |
| Abstract: | Aging-associated leukemia and aging-associated immune remodeling are in part caused by aging of hematopoietic stem cells (HSCs). An increase in the activity of the small RhoGTPase cell division control protein 42 (Cdc42) within HSCs causes aging of HSCs. Old HSCs, treated ex vivo with a specific inhibitor of Cdc42 activity termed CASIN, stay rejuvenated upon transplantation into young recipients. We determined in this study the influence of an aged niche on the function of ex vivo rejuvenated old HSCs, as the relative contribution of HSCs intrinsic mechanisms vs extrinsic mechanisms (niche) for aging of HSCs still remain unknown. Our results show that an aged niche restrains the function of ex vivo rejuvenated HSCs, which is at least in part linked to a low level of the cytokine osteopontin found in aged niches. The data imply that sustainable rejuvenation of the function of aged HSCs in vivo will need to address the influence of an aged niche on rejuvenated HSCs. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1002/stem.3372 |
| It is part of: | STEM CELLS, 2021, vol 39, num 8, p. 1101-1106 |
| URI: | http://hdl.handle.net/2445/184459 |
| Related resource: | https://doi.org/10.1002/stem.3372 |
| ISSN: | 1549-4918 |
| Appears in Collections: | Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL)) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 10.1002-stem.3372.pdf | 1 MB | Adobe PDF | View/Open |
This item is licensed under a
Creative Commons License
