{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T20:31:00Z","timestamp":1790368260214,"version":"4.1.0"},"reference-count":36,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,1,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>\u03b2-Defensins are antimicrobial peptides of the innate immune system produced in the skin by various stimuli, including proinflammatory cytokines, bacterial infection, and exposure to UV radiation (UVR). In this study we demonstrate that the UVR-inducible antimicrobial peptide murine \u03b2-defensin-14 (mBD-14) switches CD4+CD25\u2212 T cells into a regulatory phenotype by inducing the expression of specific markers like Foxp3 and CTLA-4. This is functionally relevant because mBD-14\u2013treated T cells inhibit sensitization upon adoptive transfer into naive C57BL\/6 mice. Accordingly, injection of mBD-14, comparable to UVR, suppresses the induction of contact hypersensitivity and induces Ag-specific regulatory T cells (Tregs). Further evidence for the ability of mBD-14 to induce Foxp3+ T cells is provided using DEREG (depletion of Tregs) mice in which Foxp3-expressing cells can be depleted by injecting diphtheria toxin. mBD-14 does not suppress sensitization in IL-10 knockout mice, suggesting involvement of IL-10 in mBD-14\u2013mediated immunosuppression. However, unlike UVR, mBD-14 does not appear to mediate its immunosuppressive effects by affecting dendritic cells. Accordingly, UVR-induced immunosuppression is not abrogated in mBD-14 knockout mice. Together, these data suggest that mBD-14, like UVR, has the capacity to induce Tregs but does not appear to play a major role in UVR-induced immunosuppression. Through this capacity, mBD-14 may protect the host from microbial attacks on the one hand, but tame T cell-driven reactions on the other hand, thereby enabling an antimicrobial defense without collateral damage by the adaptive immune system.<\/jats:p>","DOI":"10.4049\/jimmunol.1100452","type":"journal-article","created":{"date-parts":[[2011,12,15]],"date-time":"2011-12-15T06:03:52Z","timestamp":1323929032000},"page":"735-743","source":"Crossref","is-referenced-by-count":47,"title":["Induction of Regulatory T Cells by a Murine \u03b2-Defensin"],"prefix":"10.1093","volume":"188","author":[{"given":"Fatemeh","family":"Navid","sequence":"first","affiliation":[{"name":"Department of Dermatology and Allergology, University of Kiel , 24105 Kiel ,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michele","family":"Boniotto","sequence":"additional","affiliation":[{"name":"Faculty of Life Sciences, University of Manchester , Manchester M13 9PT ,","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Walker","sequence":"additional","affiliation":[{"name":"Faculty of Life Sciences, University of Manchester , Manchester M13 9PT ,","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kerstin","family":"Ahrens","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergology, University of Kiel , 24105 Kiel ,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ehrhardt","family":"Proksch","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergology, University of Kiel , 24105 Kiel ,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tim","family":"Sparwasser","sequence":"additional","affiliation":[{"name":"Institute of Infection Immunology, TWINCORE, Centre for Experimental and Clinical Infection Research , 30625 Hannover ,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Werner","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Faculty of Life Sciences, University of Manchester , Manchester M13 9PT ,","place":["United Kingdom"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Schwarz","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergology, University of Kiel , 24105 Kiel ,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Agatha","family":"Schwarz","sequence":"additional","affiliation":[{"name":"Department of Dermatology and Allergology, University of Kiel , 24105 Kiel ,","place":["Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2012,1,15]]},"reference":[{"key":"2025032409454018100_r1","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1128\/CMR.00056-05","article-title":"Peptide antimicrobial agents","volume":"19","author":"Jenssen","year":"2006","journal-title":"Clin. 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