PAX7 Targets, CD54, Integrin α9β1, and SDC2, Allow Isolation of Human ESC/iPSC-Derived Myogenic Progenitors.

PAX7 Targets, CD54, Integrin α9β1, and SDC2, Allow Isolation of Human ESC/iPSC-Derived Myogenic Progenitors.
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DOI:
10.1016/j.celrep.2017.06.005
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发表时间:
2017-06-27
期刊:
影响因子:
8.8
通讯作者:
Perlingeiro RCR
Perlingeiro RCR
中科院分区:
生物学1区
文献类型:
--
作者:
Magli A;Incitti T;Kiley J;Swanson SA;Darabi R;Rinaldi F;Selvaraj S;Yamamoto A;Tolar J;Yuan C;Stewart R;Thomson JA;Perlingeiro RCR

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Pluripotent stem (PS) cell-derived cell types hold promise for treating degenerative diseases. However, PS cell differentiation is intrinsically heterogeneous therefore clinical translation requires development of practical methods for isolating progenitors from unwanted and potentially teratogenic cells. Muscle-regenerating progenitors can be derived through transient PAX7 expression. To better understand the biology, and to discover potential markers for these cells, here we investigate PAX7 genomic targets and transcriptional changes in human cells undergoing PAX7-mediated myogenic commitment. We identify CD54, integrin α9β1 and Syndecan2 (SDC2) as surface markers on PAX7-induced myogenic progenitors. We show that these markers allow for the isolation of myogenic progenitors using both fluorescent- and cGMP-compatible magnetic-based sorting technologies, and that CD54+α9β1+SDC2+ cells contribute to long-term muscle regeneration in vivo. These findings represent a critical step towards enabling translation of PS cell-based therapies for muscle diseases.
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