Lineage tracking to reveal the fate of hematopoietic stem cells influenced by Flk2− multipotent progenitors after transplantation

Wang Zheng; Jiang Du; Vergel-Rodriguez Mary; Nogalska Anna; Lu Rong

doi:10.1038/s12276-022-00922-w

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자료유형: 학술저널

저자정보: Wang Zheng (University of Southern California) Jiang Du (University of Southern California) Vergel-Rodriguez Mary (University of Southern California) Nogalska Anna (University of Southern California) Lu Rong (University of Southern California)

저널정보: 대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제55권

발행연도: 2023.1

수록면: 1 - 10 (10page)

DOI: 10.1038/s12276-022-00922-w

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After transplantation, hematopoietic stem cells (HSCs) sustain blood cell regeneration throughout the patient’s life. Recent studies suggest that several types of mature blood cells provide feedback signals to regulate HSC fate. However, the potential feedback effect of hematopoietic progenitor cells has not been characterized to date. The present investigation demonstrated that multipotent progenitors (MPPs) promoted T cell production of HSCs when both cell types were cotransplanted in mice. Using genetic barcodes to track individual HSCs in mice, we found that the increased T cell production by HSCs was associated with the combined effects of altered lineage bias and clonal expansion during HSC differentiation. We showed that MPP and HSC co-transplantation promoted the multilineage differentiation of HSCs in the short term while preserving lymphoid-specialized HSC differentiation in the long term. Our findings indicate that MPPs derived from HSCs regulate the fate of HSCs after bone marrow transplantation.

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