High content imaging based mapping of stem cell phenotypes
Poster Jan 21, 2011
Er Liu, Sebastian Vega, Anthony Kulesa, Jared Bushman, Hak-Joon Sung, Mattew Becker, Joachim Kohn, and Prabhas Moghe
Stem cells possess the ability of self-renewal and multi-lineage differentiation. However, conventional biological assays usually take weeks to months to identify the stem cell fates. Here we present a high content imaging based profiling platform that enables identifying stem cell phenotypes at much early time points. This platform could help monitor and even predict the long term fate of stem cells.
We found a distinct subpopulation of Tregs within BMSCs. Tregs and BMSCs in co-culture conferred neuroprotection that varied in a dose-dependent manner. Tregs minimized stem cell production of IL-6, a pro-inflammatory cytokine, and inhibited BMSC secretion of FGF-beta, a cytokine related to BMSC proliferation and differentiation. The ratio of Tregs found natively in BMSCs is optimally adapted to provide the maximum neuroprotective benefit of stem cell treatment after ischemic stroke.READ MORE