The expression of cell surface antigenes was detected by flow cytometry, and the expression of muscle-specific marker myosin and troponin T in labeled cells was detected by immunofluorescence.

• 用流式细胞仪检测细胞表面抗原，免疫荧光法检测标记细胞的心肌特异性标记物肌球蛋白和肌钙蛋白T表达。