In SR group, the localization of AT1 - R protein was mainly found in cell membrane, but in cAF group, the protein immunostaining of AT1 - R was predominantly seen in fibroblasts and vascular smooth muscle cell.

• AT1-R蛋白阳性染色在SR组主要见于细胞膜,在cAF组患者主要见于成纤维细胞和血管平滑肌细胞。