PAR-2 mainly expressed in renal tubular epithelial cells, especially in proximal tubular cells. It also located in renal capillary ansa, interstitial infiltrate cells and fibroblast.

• PAR-2表达主要定位于肾小管上皮细胞(尤其为近曲小管),也可见于肾毛细血管袢、间质浸润细胞和成纤维细胞。