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Isolation and morphologic characterization of Muse-ATs.

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posted on 2013-06-05, 00:40 authored by Saleh Heneidi, Ariel A. Simerman, Erica Keller, Prapti Singh, Xinmin Li, Daniel A. Dumesic, Gregorio Chazenbalk

(A) Schematic of Muse-AT isolation and activation from their quiescent state by exposure to cellular stress. Muse-AT cells were obtained after 16 hours, with incubation with collagenase in DMEM medium without FCS at 4°C under very low O2 (See Methods). (B) FACS analysis demonstrates that 90% of isolated cells are both SSEA3 and CD105 positive. (C) Muse-AT cells can grow in suspension, forming spheres or cell clusters as well as individual cells (see red arrows) or (D) Muse-AT cells can adhere to the dish and form cell aggregates. Under both conditions, individual Muse-AT cells reached a diameter of approximately 10µm and cell clusters reached a diameter of up to 50µm, correlating to stem cell proliferative size capacity.