Adult cardiac-resident MSC-like stem cells with a proepicardial origin.

Adult cardiac-resident MSC-like stem cells with a proepicardial origin.
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DOI:
10.1016/j.stem.2011.10.002
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发表时间:
2011-12-02
期刊:
影响因子:
23.9
通讯作者:
Harvey, Richard P.
Harvey, Richard P.
中科院分区:
医学1区
文献类型:
--
作者:
Chong, James J. H.;Chandrakanthan, Vashe;Xaymardan, Munira;Asli, Naisana S.;Li, Joan;Ahmed, Ishtiaq;Heffernan, Corey;Menon, Mary K.;Scarlett, Christopher J.;Rashidianfar, Amirsalar;Biben, Christine;Zoellner, Hans;Colvin, Emily K.;Pimanda, John E.;Biankin, Andrew V.;Zhou, Bin;Pu, William T.;Prall, Owen W. J.;Harvey, Richard P.

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Colony-forming units – fibroblast (CFU-Fs), analogous to those giving rise to bone marrow (BM) mesenchymal stem cells (MSCs), are present in many organs, although the relationship between BM and organ-specific CFU-Fs in homeostasis and tissue repair is unknown. Here we describe a population of adult cardiac-resident CFU-Fs (cCFU-Fs) that occupy a perivascular, adventitial niche and show broad trans-germ layer potency in vitro and in vivo. CRE lineage tracing and embryo analysis demonstrated a proepicardial origin for cCFU-Fs. Furthermore, in BM transplantation chimeras, we found no interchange between BM and cCFU-Fs after aging, myocardial infarction, or BM stem cell mobilization. BM and cardiac and aortic CFU-Fs had distinct CRE lineage signatures, indicating that they arise from different progenitor beds during development. These diverse origins for CFU-Fs suggest an underlying basis for differentiation biases seen in different CFU-F populations, and could also influence their capacity for participating in tissue repair.
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