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Umbilical Stem Cells vs. Bone Marrow and Adipose Stem Cells
Young Vibrant Umbilical Cord Cells vs. Old Bone Marrow and Fat Stem Cells.
In vitro (laboratory) research published in the International Journal of Molecular Sciences has shown that while young, vibrant umbilical cord stem cells can duplicate themselves every 28 hours for up to 65 generations or more (9o generations per some references), 50+ year old bone marrow aspirate and adipose derived stem cells duplicate at a much slower rate of 3 to 5 days for an average of only 11 to 13 generations. Also of note is that older cells undergo senescence (aging) at a much faster rate than young, vibrant umbilical cord cells and that older, senescent cells produce smaller quantities of and less effective growth factors, proteins, and cytokines.
Int. J. Mol. Sci. 2013, 14, 17986-18001; doi:10.3390/ijms140917986. International Journal of Molecular Sciences ISSN 1422-0067 www.mdpi.com/journal/ijms