BID and urinary bladder carcinoma: Kaempferol was reported to repress the proliferation of bladder cancer cells by blocking the expression of cyclin D1, CDK4, p-Akt, Bid, Bcl-XL, and McL-1 and promoting the expressions of p53, p21, p38, p-ATM, Bax, Bid, and p-BRCA1 [7].