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Quantitative analysis for Cx43 expression. Cx43 signal intensity in the infarct border zone was significantly higher in the MSC group than in the PBS group and was similar between the sham control and the MSC group. * Indicates p-value < 0.05 and “ns” indicates no significance. Cx43 = connexin 43; PBS = phosphate-buffered saline; and MSC = mesenchymal stem cell.
