Infiltrating inflammatory cells in myocardium after Injection of Cardiomyocytes induced from iPSCs in immunopotent mice(n = 4 for each detection time).

CD3: Cell surface markers of T lymphocytes, CD8: cytotoxic T cells;. Degree of infiltration:- absent; +/−, trace; +, mild; ++, moderate; and +++, severe.

CD3：T淋巴细胞的细胞表面标志物；CD8：细胞毒性T细胞（cytotoxic T cells）。浸润程度分级标准如下：- 代表无浸润；+/- 代表微量浸润；+ 代表轻度浸润；++ 代表中度浸润；+++ 代表重度浸润。