KRT8 and breast cancer: In contrast, elevated Tau-pSer202 (OR = 1.46, 95% CI: 1.06 to 2.22) and CK8/18 (OR = 1.54, 95% CI: 1.06 to 2.67) levels were significantly associated with DTX treatment response in BC-PDM (Figure S4D; Table S10; p < 0.05 [Wald, LRT]).