Bilirubin nanoparticles ameliorate allergic lung inflammation in a mouse model of asthma

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dc.contributor.authorKim, Dong Eonko
dc.contributor.authorLee, Yonghyunko
dc.contributor.authorKim, Mingyoko
dc.contributor.authorLee, Soyoungko
dc.contributor.authorJon, Sangyongko
dc.contributor.authorLee, Seung-Hyoko
dc.date.accessioned2017-08-23T06:38:15Z-
dc.date.available2017-08-23T06:38:15Z-
dc.date.created2017-08-21-
dc.date.created2017-08-21-
dc.date.created2017-08-21-
dc.date.issued2017-09-
dc.identifier.citationBIOMATERIALS, v.140, pp.37 - 44-
dc.identifier.issn0142-9612-
dc.identifier.urihttp://hdl.handle.net/10203/225462-
dc.description.abstractAlthough asthma, a chronic inflammatory airway disease, is relatively well-managed by inhaled corticosteroids, the side effects associated with the long-term use of these agents precipitate the need for alternative therapeutic options based on differing modes of action. Bilirubin, a potent endogenous antioxidant, and anti-inflammatory molecule have been shown to ameliorate asthmatic symptoms; however, its clinical translation has been limited owing to its water insolubility and associated potential toxicity. Here we report the first application of bilirubin-based nanoparticles (BRNPs) as a nanomedicine for the treatment of allergic lung inflammatory disease. BRNPs were prepared directly from self assembly of PEGylated bilirubin in aqueous solution and had a hydrodynamic diameter of similar to 100 nm. Because allergen-specific type 2 T-helper (Th2) cells play a key role in the pathogenesis and progression of allergic asthma, the effects of BRNPs on Th2 immune responses were investigated both in vivo and in vitro. BRNPs after intravenous injection (i.v.) showed much higher serum concentration and a longer circulation time of bilirubin than the intraperitoneal injection (i.p.) of BRNPs or unconjugated bilirubin (UCB). The anti-asthmatic effects of BRNPs were assessed in a mouse model of allergen-induced asthma. Compared with UCB, treatment with BRNPs suppressed the symptoms of experimental allergic asthma and dramatically ameliorated Th2-related allergic lung inflammation. Consistent with these results, BRNPs caused a reduction of Th2 cell populations and the expression of related cytokines by antibody stimulated CD4(+) T cells in vitro. Therefore, our results establish BRNPs as an important immunomodulatory agent that may be useful as a therapeutic for allergic lung inflammatory disease and other immune-mediated disorders. (C) 2017 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCI LTD-
dc.titleBilirubin nanoparticles ameliorate allergic lung inflammation in a mouse model of asthma-
dc.typeArticle-
dc.identifier.wosid000405973900004-
dc.identifier.scopusid2-s2.0-85020801196-
dc.type.rimsART-
dc.citation.volume140-
dc.citation.beginningpage37-
dc.citation.endingpage44-
dc.citation.publicationnameBIOMATERIALS-
dc.identifier.doi10.1016/j.biomaterials.2017.06.014-
dc.contributor.localauthorJon, Sangyong-
dc.contributor.localauthorLee, Seung-Hyo-
dc.contributor.nonIdAuthorKim, Dong Eon-
dc.contributor.nonIdAuthorLee, Yonghyun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAntioxidant-
dc.subject.keywordAuthorAnti-inflammation therapy-
dc.subject.keywordAuthorAsthma-
dc.subject.keywordAuthorBilirubin-
dc.subject.keywordAuthorBilirubin nanoparticles-
dc.subject.keywordAuthorTh2 immune responses-
dc.subject.keywordPlusEXPERIMENTAL AUTOIMMUNE ENCEPHALOMYELITIS-
dc.subject.keywordPlusUNCONJUGATED BILIRUBIN-
dc.subject.keywordPlusT-CELLS-
dc.subject.keywordPlusANTIOXIDANT-
dc.subject.keywordPlusMECHANISMS-
dc.subject.keywordPlusPATHWAY-
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