Microanatomy and Developmental Biology, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan.
Department of Hematology, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo 162-8666, Japan.
Int J Mol Sci. 2021 Apr 28;22(9):4627. doi: 10.3390/ijms22094627.
Hematopoietic stem cells (HSCs) reside in a hypoxic microenvironment that enables glycolysis-fueled metabolism and reduces oxidative stress. Nonetheless, metabolic regulation in organelles such as the mitochondria and lysosomes as well as autophagic processes have been implicated as essential for the determination of HSC cell fate. This review encompasses the current understanding of anaerobic metabolism in HSCs as well as the emerging roles of mitochondrial metabolism and lysosomal regulation for hematopoietic homeostasis.
造血干细胞 (HSCs) 存在于低氧微环境中,这种环境能促进糖酵解供能代谢并减少氧化应激。然而,线粒体和溶酶体等细胞器中的代谢调节以及自噬过程已被认为对 HSC 细胞命运的决定至关重要。本文综述了目前对 HSCs 无氧代谢的认识,以及线粒体代谢和溶酶体调节在维持造血平衡方面的新作用。