CFHR1 and urinary bladder carcinoma: Arya & Estrela (2018) revealed that CFHR1 can serve as a protein biomarker in urine for the diagnosis of bladder cancer, and Guo et al. (2015) found that CFHR1 levels were significantly higher in Uyghur patients with early-stage cervical carcinomas than in healthy Uyghur women.