Stable lines and clones of long-term proliferating normal, genetically unmodified murine common lymphoid progenitors

Common lymphoid progenitors (CLPs) differentiate to T and B lymphocytes, dendritic cells, natural killer cells, and innate lymphoid cells. Here, we describe culture conditions that, for the first time, allow the establishment of lymphoid-restricted, but uncommitted, long-term proliferating CLP cell...

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Published inBlood Vol. 131; no. 18; pp. 2026 - 2035
Main Authors Kawano, Yohei, Petkau, Georg, Stehle, Christina, Durek, Pawel, Heinz, Gitta Anne, Tanimoto, Kousuke, Karasuyama, Hajime, Mashreghi, Mir-Farzin, Romagnani, Chiara, Melchers, Fritz
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 03.05.2018
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Summary:Common lymphoid progenitors (CLPs) differentiate to T and B lymphocytes, dendritic cells, natural killer cells, and innate lymphoid cells. Here, we describe culture conditions that, for the first time, allow the establishment of lymphoid-restricted, but uncommitted, long-term proliferating CLP cell lines and clones from a small pool of these cells from normal mouse bone marrow, without any genetic manipulation. Cells from more than half of the cultured CLP clones could be induced to differentiate to T, B, natural killer, dendritic, and myeloid cells in vitro. Cultured, transplanted CLPs transiently populate the host and differentiate to all lymphoid subsets, and to myeloid cells in vivo. This simple method to obtain robust numbers of cultured noncommitted CLPs will allow studies of cell-intrinsic and environmentally controlled lymphoid differentiation programs. If this method can be applied to human CLPs, it will provide new opportunities for cell therapy of patients in need of myeloid-lymphoid reconstitution. •We have established a novel culture system for long-term proliferating murine lymphoid progenitors without any genetic manipulation.•The cultured lymphoid progenitors can differentiate to lymphoid and myeloid lineages in vitro and in vivo. [Display omitted]
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ISSN:0006-4971
1528-0020
DOI:10.1182/blood-2017-09-805259