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Fig. 5 | Stem Cell Research & Therapy

Fig. 5

From: Intravenous injection of allogeneic umbilical cord-derived multipotent mesenchymal stromal cells reduces the infarct area and ameliorates cardiac function in a porcine model of acute myocardial infarction

Fig. 5

Pathological findings showing that intravenous injection of allogeneic UC-MSCs reduced the infarct area of the left ventricular myocardium at week 8 after AMI. ac Representative histological images of left ventricular basal, middle, and apex cross-sections after TTC staining in the three groups. dg Infarct area measured by TTC staining was lower in the UC-MSC-treated animals after 8 weeks. hj Representative photomicrographs of the left ventricle (LV) highlight the collagen deposition (blue) on the infarct region of the three groups by Masson’s trichrome staining. Scale bars = 5 μm. k Quantitative summary of LV infarct area by Masson’s trichrome staining. Data are presented as the mean ± SD. Phosphate-buffered saline (PBS) group, n = 3; low-dose group, n = 4; and high-dose group, n = 4. *P < 0.05, **P < 0.01

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