Aberrant LPAR1 expressions were observed in many cancer cell lines and primary tumors, including ovarian cancer [24], breast cancer [25], liver cancer [26], gastric cancer [27], pancreatic cancer [28,29], lung cancer [30,31], glioblastoma (GBM) [32,33,34], and osteosarcoma [35]. Here, LPAR1 is linked to breast cancer.