2 thoughts on “Wild History of VSELs Predicts Future of STAP Cells?”

  1. Henry E. Young, PhD

    Endogenous postnatal pluripotent stem cells EXIST. I have known about pluripotent stem cells since 1995 when I isolated homogenous populations of them from single cells using repetitive serial dilution clonogenic analysis. I have spent from 1988 to the present characterizing pluripotent stem cells and other types of stem cells versus progenitor cells derived from postnatal individuals, i.e., mice, rats, cats, dogs, sheep, goats, pigs, cows, horses and humans. For particulars please see: Clonogenic analysis reveals reserve stem cells in postnatal mammals. II. Pluripotent epiblastic-like stem cells. Anat. Rec. 277A:178-203, 2004; Adult reserve stem cells and their potential for tissue engineering. Cell Biochem Biophys, 40(1):1-80, 2004; Adult stem cells. Anat. Rec. 276A:75-102, 2004; Karyotypic analysis of adult pluripotent stem cells. Histology and Histopathology, 20: 769-784, 2005; Adult-derived stem cells and their potential for tissue repair and molecular medicine. J Cell Molec Med 9:753-769, 2005; Adult-derived stem cells. Minerva Biotechnologica 17:55-63, 2005; Naturally occurring adult pluripotent stem cells. In: Stem Cells: From Biology to Therapy, Advances in Molecular Biology and Medicine. 1st Ed, R.A. Meyers, Ed, WILEY-BLACKWELL-VCH Verlag GmbH & Co. KGaA. Chap 3, pp. 63-93, 2013. The size of VSELs, 3-5 microns, is in the range (2-10 microns) of multiple populations of pluripotent stem cells that my lab has isolated and characterized. And no, I am not a collaborator of Dr. Mariusz Z. Ratajczak. Actually, we are competitors. He has his VSELs, and I have my BLSCs, ELSCs, HLSCs, CLSCs, and GLSCs.

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