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Published on: January 7, 2019
MYC in Oncogenesis and Therapeutic Implications
Na Zhang1, Li Wei2, Cuiping Tang1
1Department of Pediatric Oncology Sichuan Clinical Research Center for Cancer Sichuan Cancer Hospital & Institute Sichuan Cancer Center Affiliated Cancer Hospital of University of Electronic Science and Technology of China Chengdu China.
None:
The MYC oncogene family constitutes a master regulatory hub in tumorigenesis, with functional complexity extending far beyond individual gene activities. Recent advances unveil cooperative yet context-dependent antagonism and dynamic interplay among MYC family members, fundamentally reshaping our understanding of lineage specific oncogenic programs. This review synthesizes emerging insights into MYC orchestrated tumor microenvironment remodeling, reciprocal regulation with noncoding RNAs, and the transcriptional and epigenetic governance of metabolic reprogramming. We delineate mechanisms by which MYC drives therapeutic resistance and critically evaluate current strategies targeting MYC or its downstream networks, encompassing direct MYC-MAX disruptors, upstream pathway inhibitors, synthetic lethality, and combinatorial regimens with immune checkpoint blockade or conventional chemotherapy. We further discuss MYC's prognostic significance across diverse cancer types, the critical gap between preclinical efficacy and clinical outcomes, and emerging combination strategies aimed at overcoming acquired drug resistance. By integrating these rapidly evolving biological dimensions, we posit MYC as a highly multidimensional regulatory node whose context-dependent functions present both formidable challenges and promising new opportunities for effective therapeutic intervention.
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