{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T10:18:23Z","timestamp":1753870703805,"version":"3.41.2"},"reference-count":40,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,10,11]],"date-time":"2023-10-11T00:00:00Z","timestamp":1696982400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["WIREs Mechanisms of Disease"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A majority of cancers, including colorectal cancer (CRC) with intact DNA mismatch repair, exhibit a paralyzed antitumor immune response and resistance to immune checkpoint inhibitors. Members of MHC class III lymphocyte antigen 6G (LY6G) encode glycosylphosphatidylinositol (GPI) proteins anchored to the membrane. Snake venom neurotoxins and LY6G proteins share a three\u2010finger (3F) folding domain. LY6 proteins such as LY6G6D are gaining a reputation as excellent tumor\u2010associated antigens that can potently inhibit anti\u2010tumor immunity in cancers with proficient mismatch repair. Thus, we called MHC class III LY6G endogenous immunotoxins. Since the discovery of LY6G6D as a tumor\u2010associated antigen, T\u2010cell engagers (TcEs) have been developed to simultaneously bind LY6G6D on cancer cells and CD3 on T cells, improving the treatment of metastatic solid tumors that are resistant to ICIs. We present a current understanding of how alterations in MHC class III genes inhibit antitumor immunity, and how these understandings can be turned into effective treatments for patients who are refractory to standard immunotherapy.<\/jats:p><jats:p>This article is categorized under:<jats:list list-type=\"simple\">\n<jats:list-item><jats:p>Cancer &gt; Genetics\/Genomics\/Epigenetics<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>Cancer &gt; Molecular and Cellular Physiology<\/jats:p><\/jats:list-item>\n<\/jats:list><\/jats:p>","DOI":"10.1002\/wsbm.1631","type":"journal-article","created":{"date-parts":[[2023,10,11]],"date-time":"2023-10-11T09:56:03Z","timestamp":1697018163000},"source":"Crossref","is-referenced-by-count":1,"title":["<scp>MHC<\/scp> class <scp>III<\/scp> lymphocyte antigens 6 as endogenous immunotoxins: Unlocking immunotherapy in proficient mismatch repair colorectal cancer"],"prefix":"10.1002","volume":"16","author":[{"given":"Guido","family":"Giordano","sequence":"first","affiliation":[{"name":"Unit of Medical Oncology and Biomolecular Therapy, Department of Medical and Surgical Sciences University of Foggia  Foggia Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1728-8816","authenticated-orcid":false,"given":"Massimo","family":"Pancione","sequence":"additional","affiliation":[{"name":"Department of Sciences and Technologies University of Sannio  Benevento Italy"},{"name":"Department of Biochemistry and Molecular Biology, Faculty of Pharmacy Complutense University of Madrid  Madrid 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