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Chinese Journal of Cell and Stem Cell(Electronic Edition) ›› 2026, Vol. 16 ›› Issue (02): 86-93. doi: 10.3877/cma.j.issn.2095-1221.2026.02.003

• Review • Previous Articles    

Progress in the resistance mechanisms of tumor cells to the neddylation inhibitor MLN4924 and its countermeasures

Lei Xing1, Yu Bu1,2, Minghua Zhang3, Jiao Fan1,()   

  1. 1Institute of Geriatrics, National Clinical Research Center of Geriatrics Disease, Second Medical Center of Chinese PLA General Hospital, Beijing 100853, China
    2Chinese PLA Medical School, Beijing 100853, China
    3Medical Supplies Center of Chinese PLA General Hospital, Beijing 100853, China
  • Received:2025-08-31 Online:2026-04-01 Published:2026-04-13
  • Contact: Jiao Fan

Abstract:

The neddylation process covalently conjugates neural precursor cell expressed developmentally downregulated 8 (NEDD8) to substrate proteins through a continuous enzymatic cascade reaction, which affects the stability, conformation, and function of substrate proteins, thereby regulating numerous downstream biological processes. The neddylation process is associated with the progression and prognosis of various types of tumors. As the only currently known activating enzyme in the neddylation process, NEDD8-activating enzyme (NAE) is an important target for the development of anti-cancer drugs. MLN4924, a selective NAE inhibitor, has good therapeutic effects on various types of solid tumors and hematological malignancies. Currently, 41 clinical trials have entered phases Ⅱ/Ⅲ, indicating promising application prospects. The drug resistance of tumor cells is an important cause of treatment failure in cancer patients. Once tumor cells acquire drug resistance, it will significantly affect the prognosis of patients. This article reviews the current research progress on the resistance mechanism of MLN4924 and the measures to address the problem of resistance to it.

Key words: MLN4924, Neddylation, Drug resistance mechanism, Combination drug therapy, Tumor cells

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