{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:16:00Z","timestamp":1787026560685,"version":"build-2736575974"},"reference-count":216,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2025,7,10]],"date-time":"2025-07-10T00:00:00Z","timestamp":1752105600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Immunol."],"abstract":"<jats:p>\n                    CD1-restricted T cells constitute an unconventional arm of immunity that recognises lipid antigens, a feature particularly pertinent to\n                    <jats:italic>Mycobacterium tuberculosis<\/jats:italic>\n                    (Mtb), a pathogen with a lipid-rich cell wall. Unlike classical MHC-restricted responses, CD1-mediated lipid antigen presentation includes donor-unrestricted T cell responses, offering a promising pathway for universally protective tuberculosis (TB) vaccines. This review explores the biology of CD1 isoforms, the functional diversity of CD1-restricted T cell subsets, and their roles in TB immunity. We discuss Mtb\u2019s lipid antigens, mechanisms of CD1 trafficking and antigen presentation, immune evasion strategies, and emerging translational insights. By highlighting key knowledge gaps and future directions, we argue that harnessing CD1-restricted T cells could unlock novel vaccine strategies against the world\u2019s leading infectious killer.\n                  <\/jats:p>","DOI":"10.3389\/fimmu.2025.1629466","type":"journal-article","created":{"date-parts":[[2025,7,10]],"date-time":"2025-07-10T04:11:55Z","timestamp":1752120715000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["CD1-restricted T cells: are unconventional allies the key to future TB vaccines?"],"prefix":"10.3389","volume":"16","author":[{"given":"Matthew","family":"Milton","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Salah","family":"Mansour","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2025,7,10]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pmed.1002152","article-title":"The global burden of latent tuberculosis infection: A re-estimation using mathematical modelling","volume":"13","author":"Houben","year":"2016","journal-title":"PloS Med"},{"key":"B2","unstructured":"Global Tuberculosis Report 2024"},{"key":"B3","article-title":"History of BCG vaccine","volume":"8","author":"Luca","year":"2013","journal-title":"M\u00e6dica"},{"key":"B4","doi-asserted-by":"publisher","first-page":"43","DOI":"10.1186\/s40246-018-0175-1","article-title":"Architecture of polymorphisms in the human 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