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. 2018 Dec 3;9:5129. doi: 10.1038/s41467-018-07638-4

Fig. 1.

Fig. 1

Islr is upregulated during satellite cell differentiation and C2C12 differentiation. a Immunohistochemistry analysis of Islr and Pax7 in uninjured TA muscles of wild-type (WT) mice. Scale bar = 10 μm. b Immunohistochemistry analysis of Islr and Pax7 in injured TA muscles of wild-type mice at 5 d postinjury using serial sections. Scale bar = 10 μm. c Immunohistochemistry analysis of Islr and MyoG in injured TA muscles of WT mice at 5 d postinjury using serial sections. Scale bar = 10 μm. d Flow cytometry analysis of CD31, CD45, Sca1, and α7-integrin expression in whole muscle-derived cells. e Western blot analysis of Islr, Pax7, MyoG, and MyHC in satellite cells from WT mice at 4 d in proliferation medium (G4) or 2 d in differentiation medium (D2). f Immunofluorescence staining for tubulin in C2C12 cells transfected with the Islr-GFP plasmid. Scale bar = 25 μm. g Immunofluorescence staining for tubulin and Flag in C2C12 cells transfected with the leader peptide-Flag-Islr (L-Flag-Islr) plasmid. Scale bar = 25 μm. h Immunohistochemistry analysis of Islr in C2C12 cells cultured in differentiation medium for 5 d. Scale bar = 50 μm. i Immunohistochemistry analysis of Islr in primary myoblasts derived from FACS-purified satellite cells cultured in differentiation medium for 2 d. Scale bar = 50 μm. j Expression analysis of Islr in C2C12 cells cultured in either growth medium for 1 or 2 d (G1 and G2) or in differentiation medium for 1, 3, 5, or 7 d (D1, D3, D5, and D7) using quantitative real-time PCR (qRT-PCR). k Western blot analysis of Islr in C2C12 cells cultured in either growth medium for 2 d (G2) or in differentiation medium for 4 or 7 d (D4 and D7). Error bars represent the means ± s.d. ***P < 0.001; Student’s t test