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Stem Cell Reports. 2013 Jul 24;1(2):198-208. doi: 10.1016/j.stemcr.2013.07.001. eCollection 2013.

Do pluripotent stem cells exist in adult mice as very small embryonic stem cells?

Author information

1
Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.

Abstract

Very small embryonic-like stem cells (VSELs) isolated from bone marrow (BM) have been reported to be pluripotent. Given their nonembryonic source, they could replace blastocyst-derived embryonic stem cells in research and medicine. However, their multiple-germ-layer potential has been incompletely studied. Here, we show that we cannot find VSELs in mouse BM with any of the reported stem cell potentials, specifically for hematopoiesis. We found that: (1) most events within the "VSEL" flow-cytometry gate had little DNA and the cells corresponding to these events (2) could not form spheres, (3) did not express Oct4, and (4) could not differentiate into blood cells. These results provide a failure to confirm the existence of pluripotent VSELs.

PMID:
24052953
PMCID:
PMC3757755
DOI:
10.1016/j.stemcr.2013.07.001
[Indexed for MEDLINE]
Free PMC Article

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