Murine foetal liver supports limited detectable expansion of life-long haematopoietic progenitors.
Murine foetal liver supports limited detectable expansion of life-long haematopoietic progenitors.
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DOI:
10.1038/s41556-022-00999-5
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发表时间:
2022-10
影响因子:
21.3
通讯作者:
中科院分区:
文献类型:
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Current dogma asserts that the fetal liver (FL) is an expansion niche for recently specified hematopoietic stem cells (HSCs) during ontogeny. Indeed, between embryonic day of development (E)12.5 and E14.5, the number of transplantable HSCs in the murine FL expands from 50 to about 1000. Here, we used a non-invasive, multi-color lineage tracing strategy to interrogate the embryonic expansion of murine hematopoietic progenitors destined to contribute to the adult HSC pool. Our data show that this pool of fated progenitors expands only two-fold during FL ontogeny. Although Histone2B-GFP retention in vivo experiments confirmed significant proliferation of phenotypic FL-HSC between E12.5 and E14.5, paired daughter-cell assays revealed that many mid-gestation phenotypic FL-HSCs are biased to differentiate, rather than self-renew, relative to phenotypic neonatal and adult bone marrow HSCs. In total, these data support a model in which the FL-HSC pool fated to contribute to adult blood expands only modestly during ontogeny. Ganuza et al. report that fetal liver hematopoietic stem cells (HSCs) are largely biased to differentiation rather than self-renewal, resulting in a modest expansion of the HSC pool with contribution to adult hematopoiesis.
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影响因子:
64.5
作者:
Bernitz, Jeffrey M.;Kim, Huen Suk;MacArthur, Ben;Sieburg, Hans;Moore, Kateri
通讯作者:
Moore, Kateri
DOI:
10.1016/j.ddstr.2009.06.003
发表时间:
2009-01-01
期刊:
Drug discovery today. Therapeutic strategies
影响因子:
--
作者:
Bowman, Teresa V;Zon, Leonard I
通讯作者:
Zon, Leonard I
影响因子:
5.9
作者:
Batsivari A;Rybtsov S;Souilhol C;Binagui-Casas A;Hills D;Zhao S;Travers P;Medvinsky A
通讯作者:
Medvinsky A
影响因子:
64.8
作者:
Busch, Katrin;Klapproth, Kay;Rodewald, Hans-Reimer
通讯作者:
Rodewald, Hans-Reimer
影响因子:
2.6
作者:
Ganuza M;Hall T;Obeng EA;McKinney-Freeman S
通讯作者:
McKinney-Freeman S