Cancers, Vol. 11, Pages 246: FBXW7 in Cancer: What Has Been Unraveled Thus Far?

Cancers, Vol. 11, Pages 246: FBXW7 in Cancer: What Has Been Unraveled Thus Far?

Cancers doi: 10.3390/cancers11020246

Authors: Bethsebie Lalduhsaki Sailo Kishore Banik Sosmitha Girisa Devivasha Bordoloi Lu Fan Clarissa Esmeralda Halim Hong Wang Alan Prem Kumar Dali Zheng Xinliang Mao Gautam Sethi Ajaikumar Bahulayan Kunnumakkara

: The FBXW7 (F-box with 7 tandem WD40) protein encoded by the gene FBXW7 is one of the crucial components of ubiquitin ligase called Skp1-Cullin1-F-box (SCF) complex that aids in the degradation of many oncoproteins via the ubiquitin-proteasome system (UPS) thus regulating cellular growth. FBXW7 is considered as a potent tumor suppressor as most of its target substrates can function as potential growth promoters, including c-Myc, Notch, cyclin E, c-JUN, and KLF5. Its regulators include p53, C/EBP-δ, Numb, microRNAs, Pin 1, Hes-5, BMI1, Ebp2. Mounting evidence has indicated the involvement of aberrant expression of FBXW7 for tumorigenesis. Moreover, numerous studies have also shown its role in cancer cell chemosensitization, thereby demonstrating the importance of FBXW7 in the development of curative cancer therapy. This comprehensive review emphasizes on the targets, functions, regulators and expression of FBXW7 in different cancers and its involvement in sensitizing cancer cells to chemotherapeutic drugs.

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