{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,21]],"date-time":"2026-04-21T00:12:46Z","timestamp":1776730366930,"version":"3.51.2"},"reference-count":42,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2015,10,31]],"date-time":"2015-10-31T00:00:00Z","timestamp":1446249600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Regulatory T cells (Tregs), which could be down-regulated by IL-28B, were reported to suppress T-cell-mediated immunity. The aim of this study was to investigate the role of IL-28B on the immune responses and protective efficacy of a tuberculosis (TB) subunit vaccine. First, a recombinant adenoviral vector expressing mouse IL-28B (rAd-mIL-28B) was constructed; then C57BL\/6 mice were immunized with subunit vaccine ESAT6-Ag85B-Mpt64 (190\u2013198) -Mtb8.4-HspX (EAMMH) and rAd-mIL-28B together thrice or primed with Mycobacterium bovis bacillus Calmette\u2013Gue\u2032rin (BCG) and boosted by EAMMH and rAd-mIL-28B twice. At last the immune responses were evaluated, and the mice primed with BCG and boosted by subunit vaccines were challenged with virulent Mycobacterium tuberculosis H37Rv to evaluate the protective efficacy. The results showed that rAd-mIL-28B treatment significantly down-regulated the frequency of Tregs at 4 weeks after the last immunization but did not increase the T h 1-type immune responses. Moreover, in the regimen of BCG priming and EAMMH boosting, rAd-mIL-28B treatment did not increase the antigen-specific cellular and humoral immune responses, and consequently did not reduce the bacteria load following H37Rv challenge. Instead, it induced more serious pathology reaction. In conclusion, IL-28B down-regulates Tregs following EAMMH vaccination but does not improve the protective immune responses.<\/jats:p>","DOI":"10.1093\/intimm\/dxv061","type":"journal-article","created":{"date-parts":[[2015,11,1]],"date-time":"2015-11-01T00:28:28Z","timestamp":1446337708000},"page":"77-85","source":"Crossref","is-referenced-by-count":15,"title":["IL-28B down-regulates regulatory T cells but does not improve the protective immunity following tuberculosis subunit vaccine immunization"],"prefix":"10.1093","volume":"28","author":[{"given":"Yanping","family":"Luo","sequence":"first","affiliation":[{"name":"Gansu Provincial Key Laboratory of Evidence Based Medicine and Clinical Translation & Lanzhou Center for Tuberculosis Research 1 , School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China"},{"name":"Department of Immunology 2 , School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, 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