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. 2023 May 24;9(21):eadg3478. doi: 10.1126/sciadv.adg3478

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Fig. 6. — (A) The CD31-positive blood vessel endothelial cells were stained as red. (B) Immunohistochemical staining of HIF-1α in granulation tissues in different groups. (C) Masson’s trichrome staining of granulation tissues in different treatments. (D) Double immunofluorescence staining of α-SMA and vimentin of granulation tissues in different treatments. (E to G) Quantification of (E) blood vessel number, (F) HIF-1α densities, and (G) collagen deposition. Scale bars, 100 μm (A to D). n = 6 per group. *P < 0.05 and **P < 0.01.