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Updated: May 23, 2025

In Vivo Osteo-organoid Approach for Harvesting Therapeutic Hematopoietic Stem/Progenitor Cells
Published on: February 16, 2024
Stiffness matters: A soft bone marrow organoid rejuvenates hematopoietic stem cells
1Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China.
Abstract:
A recent study published in Cell Stem Cell [1] showed that matrix stiffness critically regulates hematopoietic stem cell (HSC) niche, and successfully engineered a soft bone marrow (BM) organoid to maintain and rejuvenate HSCs ex vivo. In addition, BM stiffening was also identified as a novel aging hallmark of the hematopoietic system. Together, these important findings implicate matrix stiffness as a fundamental biomechanical factor governing cell fate determination and aging of tissue-specific stem cells.
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