<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">MRP</journal-id><journal-title-group><journal-title>Medical Research and Practice</journal-title></journal-title-group><issn>2993-9690</issn><eissn>2993-9704</eissn><publisher><publisher-name>Art and Design</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/MRP.2025110006</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title> METTL3调控致癌发生的机制及其抑制剂研发进展</title><url>https://artdesignp.com/journal/MRP/3/11/10.61369/MRP.2025110006</url><author>陈宇琪</author><pub-date pub-type="publication-year"><year>2025</year></pub-date><volume>3</volume><issue>11</issue><history><date date-type="pub"><published-time>2025-11-20</published-time></date></history><abstract>N6-甲基腺嘌呤（m6A）是真核生物信使RNA（mRNA）中最普遍的一种内部化学修饰。该修饰过程由三类功能蛋白共同调控：甲基转移酶（writer）、去甲基化酶（eraser）和甲基化阅读蛋白（reader）。其中，甲基转移酶样蛋白3（METTL3）是催化m6A形成的关键酶，也是m6A甲基转移酶复合体的核心催化亚基。METTL3在多种恶性肿瘤中异常高表达，通过调控致癌信号通路成为潜在的抗癌新靶点。本综述主要阐述了METTL3通过m6A依赖性机制和非m6A依赖性机制（如PI3K/AKT/mTOR、JAK/STAT等信号通路关键基因的翻译与稳定性）来促进癌细胞的存活、增殖和侵袭，从而发挥致癌作用，以及总结了目前关于靶向METTL3的小分子抑制剂和蛋白降解剂的最新研发进展与抗肿瘤效果。最后，本文分析了靶向METTL3在临床转化中所面临的关键挑战，并展望了其未来发展方向，旨在为基于表观转录组调控的新型药物研发提供理论参考。</abstract><keywords>METTL3,m6A甲基化,致癌信号通路,小分子抑制剂,PROTAC</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>&amp;nbsp;[1]BOKAR J A, SHAMBAUGH M E, POLAYES D, et al. Purification and cDNA cloning of the AdoMet-binding subunit of the human mRNA (N6-adenosine)-methyltransferase [J]. Rna, 1997, 3(11): 1233-47.&amp;nbsp;[2]SUN T, WU R, MING L. The role of m6A RNA methylation in cancer [J]. Biomed Pharmacother, 2019, 112: 108613.&amp;nbsp;[3]ŚLEDŹ P, JINEK M. Structural insights into the molecular mechanism of the m(6)A writer complex [J]. Elife, 2016, 5.&amp;nbsp;[4]LIU X, HE H, ZHANG F, et al. m6A methylated EphA2 and VEGFA through IGF2BP2/3 regulation promotes vasculogenic mimicry in colorectal cancer via PI3K/AKT and ERK1/2 signaling [J]. Cell Death Dis, 2022, 13(5): 483.&amp;nbsp;[5]BI X, LV X, LIU D, et al. METTL3-mediated maturation of miR-126-5p promotes ovarian cancer progression via PTEN-mediated PI3K/Akt/mTOR pathway [J]. Cancer Gene Therapy, 2021, 28(3): 335-49.&amp;nbsp;[6]XIONG J, HE J, ZHU J, et al. Lactylation-driven METTL3-mediated RNA m(6)A modification promotes immunosuppression of tumor-infiltrating myeloid cells [J]. Mol Cell, 2022, 82(9): 1660-77.e10.&amp;nbsp;[7]SUN Y, GONG W, ZHANG S. METTL3 promotes colorectal cancer progression through activating JAK1/STAT3 signaling pathway [J]. Cell Death Dis, 2023, 14(11): 765.&amp;nbsp;[8]YANG Z, JIANG X, LI D, et al. HBXIP promotes gastric cancer via METTL3-mediated MYC mRNA m6A modification [J]. Aging (Albany NY), 2020, 12(24): 24967-82.&amp;nbsp;[9]HAN J, WANG J Z, YANG X, et al. METTL3 promote tumor proliferation of bladder cancer by accelerating pri-miR221/222 maturation in m6A-dependent manner [J]. Mol Cancer, 2019, 18(1): 110.&amp;nbsp;[10]CHEN W, ZHANG J, MA W, et al. METTL3-Mediated m6A Modification Regulates the Polycomb Repressive Complex 1 Components BMI1 and RNF2 in Hepatocellular Carcinoma Cells [J]. Mol Cancer Res, 2025, 23(3): 190-201.&amp;nbsp;[11]WU D, SPENCER C B, ORTOGA L, et al. Histone lactylation-regulated METTL3 promotes ferroptosis via m6A-modification on ACSL4 in sepsis-associated lung injury [J]. Redox Biol, 2024, 74: 103194.&amp;nbsp;[12]WEI X, HUO Y, PI J, et al. METTL3 preferentially enhances non-m(6)A translation of epigenetic factors and promotes tumourigenesis [J]. Nat Cell Biol, 2022, 24(8): 1278-90.&amp;nbsp;[13]YANKOVA E, BLACKABY W, ALBERTELLA M, et al. Small-molecule inhibition of METTL3 as a strategy against myeloid leukaemia [J]. Nature, 2021, 593(7860): 597601.&amp;nbsp;[14]JIAO C Q, HU C, SUN M H, et al. Targeting METTL3 mitigates venetoclax resistance via proteasome-mediated modulation of MCL1 in acute myeloid leukemia [J]. Cell Death Dis, 2025, 16(1): 233.&amp;nbsp;[15]TANG H, ZHANG R, ZHANG A. Small-Molecule Inhibitors Targeting RNA m(6)A Modifiers for Cancer Therapeutics: Latest Advances and Future Perspectives [J]. J Med Chem, 2025, 68(17): 18114-42.&amp;nbsp;[16]WANG J N, WANG F, KE J, et al. Inhibition of METTL3 attenuates renal injury and inflammation by alleviating TAB3 m6A modifications via IGF2BP2-dependent mechanisms [J]. Sci Transl Med, 2022, 14(640): eabk2709.&amp;nbsp;[17]MOROZ-OMORI E V, HUANG D, KUMAR BEDI R, et al. METTL3 Inhibitors for Epitranscriptomic Modulation of Cellular Processes [J]. ChemMedChem, 2021, 16(19): 3035-43.&amp;nbsp;[18]DOLBOIS A, BEDI R K, BOCHENKOVA E, et al. 1,4,9-Triazaspiro[5.5]undecan-2-one Derivatives as Potent and Selective METTL3 Inhibitors [J]. J Med Chem, 2021, 64(17): 12738-60.&amp;nbsp;[19]DU W, HUANG Y, CHEN X, et al. Discovery of a PROTAC degrader for METTL3-METTL14 complex [J]. Cell Chem Biol, 2024, 31(1): 177-83.e17.&amp;nbsp;[20]NAR R, WU Z, LI Y, et al. Targeting METTL3 protein by proteolysis-targeting chimeras: A novel therapeutic approach for acute myeloid leukemia [J]. Genes Dis, 2025, 12(4): 101452.</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
