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Browsing by Subject "HSC-independent lymphopoiesis"

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    Long-Term Engraftment of ESC-Derived B-1 Progenitor Cells Supports HSC-Independent Lymphopoiesis
    (Elsevier, 2019-03-05) Lin, Yang; Kobayashi, Michihiro; Portilho, Nathalia Azevedo; Mishra, Akansha; Gao, Hongyu; Liu, Yunlong; Wenzel, Pamela; Davis, Brian; Yoder, Mervin C.; Yoshimoto, Momoko; Pediatrics, School of Medicine
    It is generally considered that mouse embryonic stem cell (ESC) differentiation into blood cells in vitro recapitulates yolk sac (YS) hematopoiesis. As such, similar to YS-derived B-progenitors, we demonstrate here that ESC-derived B-progenitors differentiate into B-1 and marginal zone B cells, but not B-2 cells in immunodeficient mice after transplantation. ESC-derived B-1 cells were maintained in the recipients for more than 6 months, secreting natural IgM antibodies in vivo. Gene expression profiling displayed a close relationship between ESC- and YS-derived B-1 progenitors. Because there are no hematopoietic stem cells (HSCs) detectable in our ESC differentiation culture, successful long-term engraftment of ESC-derived functional B-1 cells supports the presence of HSC-independent B-1 cell development.
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