Additionally, elevated NEK2 expression was correlated with declined objective response rate (ORR) (χ2 = 4.808, p = 0.028), but not with complete response (CR) (χ2 = 2.341, p = 0.126)...NEK2 overexpression links with occurrence of bone lesion, t (4; 14), and poor prognosis to bortezomib treatment in MM patients.