{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T02:56:41Z","timestamp":1791946601695,"version":"4.3.4"},"reference-count":82,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,1,2]],"date-time":"2026-01-02T00:00:00Z","timestamp":1767312000000},"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                    Early immune containment of mycobacteria at the infection site is key to tuberculosis (TB) vaccine development. Intranasal delivery strategies offer a promising alternative to parenteral BCG vaccination, particularly for pulmonary TB, the predominant clinical form in humans and livestock. This study evaluated the immunogenicity of intranasal BCG and heat-inactivated\n                    <jats:italic>M. bovis<\/jats:italic>\n                    (HIMB) with or without adjuvant, as well as prime-boost strategies combining parenteral BCG or HIMB followed by intranasal HIMB in young goats. Intranasal BCG elicited systemic antigen-specific IFN\u03b3 production, with enhanced expansion of CD4\n                    <jats:sup>+<\/jats:sup>\n                    IFN\u03b3\n                    <jats:sup>+<\/jats:sup>\n                    and CD8\n                    <jats:sup>+<\/jats:sup>\n                    IFN\u03b3\n                    <jats:sup>+<\/jats:sup>\n                    T-cells, comparable to prime-boost regimens. Intranasal BCG and prime-boosted groups also induced higher local proinflammatory responses at the lung mucosa, including proinflammatory cytokine production, expansion of antigen-specific T-cells, and polarization of alveolar macrophages toward activated proinflammatory phenotype. The results underscore the potential of respiratory mucosal BCG delivery to enhance early immune responses against TB infection and support further investigation into its protective efficacy.\n                  <\/jats:p>","DOI":"10.3389\/fimmu.2025.1740197","type":"journal-article","created":{"date-parts":[[2026,1,2]],"date-time":"2026-01-02T06:28:30Z","timestamp":1767335310000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Intranasal BCG vaccination induces systemic and pulmonary mucosal immune responses against tuberculosis in a goat model"],"prefix":"10.3389","volume":"16","author":[{"given":"Patricia","family":"Cuenca-Lara","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miriam","family":"Blay-Benach","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zoraida","family":"Cervera","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julia","family":"Moraleda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iker A.","family":"Sevilla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joseba M.","family":"Garrido","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahavir","family":"Singh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergio","family":"L\u00f3pez-Soria","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enric","family":"Vidal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariano","family":"Domingo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bernat","family":"P\u00e9rez de Val","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,1,2]]},"reference":[{"key":"B1","article-title":"Global Tuberculosis Report 2024","year":"2024"},{"key":"B2","unstructured":"WOAH - World Organisation for Animal Health\n          \n          \n          \n          2025"},{"key":"B3","volume-title":"editors","author":"Chambers","year":"2018"},{"key":"B4","doi-asserted-by":"publisher","first-page":"4","DOI":"10.1186\/s43556-024-00243-6","article-title":"Tuberculosis vaccines and therapeutic drug: challenges and future directions","volume":"6","author":"An","year":"2025","journal-title":"Mol Biomed"},{"key":"B5","doi-asserted-by":"publisher","first-page":"5284","DOI":"10.1080\/21645515.2021.2007711","article-title":"BCG vaccination strategies against tuberculosis: updates and perspectives","volume":"17","author":"Qu","year":"2021","journal-title":"Hum Vaccines Immunotherapeutics"},{"key":"B6","doi-asserted-by":"publisher","first-page":"e2","DOI":"10.1016\/S1473-3099(21)00403-5","article-title":"100 years of Mycobacterium bovis bacille Calmette-Gu\u00e9rin","volume":"22","author":"Lange","year":"2022","journal-title":"Lancet Infect Dis"},{"key":"B7","doi-asserted-by":"publisher","first-page":"20369","DOI":"10.1038\/s41598-020-77334-1","article-title":"Long-term efficacy of BCG vaccination in goat herds with a high prevalence of tuberculosis","volume":"10","author":"Arrieta-Villegas","year":"2020","journal-title":"Sci Rep"},{"key":"B8","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2009.08.095","article-title":"First data on Eurasian wild boar response to oral immunization with BCG and challenge with a Mycobacterium bovis field strain","volume":"27","author":"Ballesteros","year":"2009","journal-title":"Vaccine"},{"key":"B9","doi-asserted-by":"publisher","first-page":"41","DOI":"10.3389\/fvets.2020.00041","article-title":"Protective Effect of Oral BCG and Inactivated Mycobacterium bovis Vaccines in European Badgers (Meles meles) Experimentally Infected With M","volume":"7","author":"Balseiro","year":"2020","journal-title":"bovis. 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