{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T05:15:24Z","timestamp":1785906924384,"version":"3.56.0"},"reference-count":116,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,6,21]],"date-time":"2023-06-21T00:00:00Z","timestamp":1687305600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancers"],"abstract":"<jats:p>Glycans are an essential part of cells, playing a fundamental role in many pathophysiological processes such as cell differentiation, adhesion, motility, signal transduction, host\u2013pathogen interactions, tumour cell invasion, and metastasis development. These glycans are also able to exert control over the changes in tumour immunogenicity, interfering with tumour-editing events and leading to immune-resistant cancer cells. The incomplete synthesis of O-glycans or the formation of truncated glycans such as the Tn-antigen (Thomsen nouveau; GalNAc\u03b1- Ser\/Thr), its sialylated version the STn-antigen (sialyl-Tn; Neu5Ac\u03b12\u20136GalNAc\u03b1-Ser\/Thr) and the elongated T-antigen (Thomsen\u2013Friedenreich; Gal\u03b21-3GalNAc\u03b1-Ser\/Thr) has been shown to be associated with tumour progression and metastatic state in many human cancers. Prognosis in various human cancers is significantly poor when they dedifferentiate or metastasise. Recent studies in glycobiology have shown truncated O-glycans to be a hallmark of cancer cells, and when expressed, increase the oncogenicity by promoting dedifferentiation, risk of metastasis by impaired adhesion (mediated by selectins and integrins), and resistance to immunological killing by NK cells. Insight into these truncated glycans provides a complimentary and attractive route for cancer antigen discovery. The recent emergence of immunotherapies against cancers is predicted to harness the potential of using such agents against cancer-associated truncated glycans. In this review, we explore the role of truncated O-glycans in cancer progression and metastasis along with some recent studies on the role of O-glycans in endocrine cancers affecting the thyroid and adrenal gland.<\/jats:p>","DOI":"10.3390\/cancers15133266","type":"journal-article","created":{"date-parts":[[2023,6,21]],"date-time":"2023-06-21T03:18:38Z","timestamp":1687317518000},"page":"3266","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Role of Truncated O-GalNAc Glycans in Cancer Progression and Metastasis in Endocrine Cancers"],"prefix":"10.3390","volume":"15","author":[{"given":"Diluka","family":"Pinto","sequence":"first","affiliation":[{"name":"Division of Endocrine Surgery, National University Hospital, Singapore 119074, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3318-0357","authenticated-orcid":false,"given":"Rajeev","family":"Parameswaran","sequence":"additional","affiliation":[{"name":"Division of Endocrine Surgery, National University Hospital, Singapore 119074, Singapore"},{"name":"NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore"},{"name":"Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1152\/physrev.00043.2019","article-title":"Role of O-linked N-acetylglucosamine protein modification in cellular (patho)physiology","volume":"101","author":"Chatham","year":"2021","journal-title":"Physiol. 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