Previous studies revealed that kinesin family members [Kinesin family member C1 (KIFC1), Kinesin family member 5B (KIF5B), and Kinesin light chain 1 (KLC1)] play important roles in accelerating epithelial−mesenchymal plasticity in bladder cancer and breast tumors.31, 32. The gene discussed is KIF5B; the disease is urinary bladder cancer.