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1、生命科学导论论文翻译IL-23signalingenhancesTh2polarizationandregulatesallergicairwayinfammation白细胞介素发出信号增强TH2细胞极化和调节过敏通道炎症Keywords:cytokines,helperTcells,Tcelldifferentiation,allergicairwayinflammation关键词:细胞因子,辅助型T细胞,T细胞变异,过敏通道炎症IntroductionAllergicasthmaisacommonheal
2、thprobleminde-velopedcountries.ItischaracterizedbychronicairwayinfammationassociatedwithaThelper(Th)2immuneresponsetoenvironmentallergens.Uponallergenchallenge,nativeCD4TcellsdifferentiateintoaprevailingTh2effectorphenotype,andthesecellspredominantlysecreti
3、nterleukin-4(IL-4),IL-5,andIL-13.Furthermore,thesecytokinesinducetherecruitmentoeosinophils,mastcellsandlymphocytes,hyperplasiaofsmoothmuscleandgobletcells,andairwayhyperresponsiveness,whichareoftenassociatedwithincreasedserumIgEconcentration[1-3].IL-23isam
4、emberoftheIL-12familyofheterodimericcytokines.Itiscomposedofauniquep19subunitandacommonp40subunitsharingwithIL-12[4].IL-23bindstoaheterodimericreceptorcomposedoftheIL-12receptorβ1(IL-12Rβ1)andIL-23receptor(IL-23R)andthissubsequentlyactivatesJak2,Tyk2,andsig
5、naltransducersandactivatorsoftranscription(STATs)1,3,4,and5[5].LikeIL-12,IL-23isprimarilysecretedbyactivatedDCs,monocytes,andmacrophages[6].IthasbeenshownthatIL-23isimportantinsomeinfammatorydiseasesincludingexperimentalautoimmuneencephalitis,collagen-induc
6、edarthritis,andintestinalinflammation[7-9].Moreover,polymorphismsinthegeneencodingtheIL-23Rareanimportantsusceptibilityfactorforthesedisorders[10-12].介绍:过敏性哮喘在发达国家是一种常见的健康问题。它的特点是与对环境过敏原有免疫反应辅助T细胞相联系的慢性气道炎症。在过敏原的挑战下,我们细胞的分化成普遍的TH2效果显性,而这些细胞主要隐藏白细胞介素4(IL-4),
7、IL-5,13。此外,这些细胞因子诱导吸收oeosinophils,肥大细胞和淋巴细胞增生,平滑肌细胞和杯状细胞,和人工智能rway高反应性,这是经常联系与增加血清抗体浓度[1]。白细胞介素-23是一个成员的家庭的异二聚体细胞因子IL-12。它是由一个独特的肿瘤细胞亚基亚基和共同分享与IL-12[4]。白细胞介素-23受体结合到一个异二聚体组成的β12受体1(il-12rβ1)和IL-23受体(il-23r)和随后激活JAK2,Tyk2,及信号转导和转录激活因子(转录)1,3,4,和5[5]。像是主要分泌的I
8、L12,激活细胞,单核细胞,巨噬细胞和[6]。它已经表明,白细胞介素-23在一些重要的炎性疾病,包括实验性自身免疫性脑炎,胶原性关节炎,和我ntestinal炎症[7-9]。此外,多态性基因编码的il-23r是进口蚂蚁敏事实或这些疾病[10]。