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1、國際免疫學(xué)雜志2006年3月第29卷第2期InternationaiJournaiofImmunoiogy,March2006,Voi29.No.2·111·對(duì)立,二者的平衡可作為耐受和免疫的分水嶺。5ChakravartiS,SabatosCA,XiaoS,etai.Tim-2reguiatesTheipertype2responsesandautoimmunity.JExpMed,2005,202(3):437-444.!結(jié)語6MariatC,Sanchez-fueyoA,AiexopouiosSP,e
2、tai.ReguiationofTceii近年來,有關(guān)Tim家族蛋白分子的研究進(jìn)展迅dependentimmuneresponsesbyTIMfamiiymembers.PhiiosTransRSoc速,其基因和蛋白結(jié)構(gòu)已經(jīng)逐步明確,并且對(duì)小鼠和LondBBioiSci,2005,360(1461):1681-1685.人的遺傳學(xué)研究提示Tim基因家族與哮喘易感性和7MeyersJH,ChakravartiS,SchiesingerD,etai.TIM-4istheiigandfor變態(tài)反應(yīng)密切相關(guān),尤其是
3、Tim-3基因編碼的Th1TIM-1,andtheTIM-1-TIM-4interactionreguiatesTceiiproiiferation.細(xì)胞特異性膜表面蛋白可以從表型上區(qū)分Th1/Th2NatImmunoi,2005,6(5):455-464.8ChaeSC,SongJH,PounsambathP,etai.MoiecuiarvariationsinTh1-細(xì)胞。Tim-3與Tim-3L相互作用可能產(chǎn)生負(fù)性調(diào)節(jié)specificceiisurfacegeneTim-3.ExpMoiMed,200
4、4,36(3):274-278.信號(hào),抑制Th1細(xì)胞增殖,下調(diào)Th1型免疫應(yīng)答,有9MonneyL,SabatosCA,GagiiaJL,etai.Th1-specificceiisurfacepro-利于外周免疫耐受的形成。Tim-3在自身免疫性疾teinTim-3reguiatesmacrophageactivationandseverityofanautoimmune病、變態(tài)反應(yīng)性哮喘等疾病和免疫耐受、甚至抗腫瘤disease.Nature,2002,415(6871):536-541.免疫中發(fā)揮重要
5、作用[16]。但也有許多尚不清楚的10SabatosCA,ChakravartiS,ChaE,etai.InteractionofTim-3andTim-3iigandreguiatesTheipertype1responsesandinductionofpe-問題,如sTim-3在Th1細(xì)胞分化中何時(shí)產(chǎn)生以及其ripheraitoierance.NatImmunoi,2003,4(11):1102-1110.確切的功能等。Tim-3的粘蛋白區(qū)作為fiTim-3的胞11KhademiM,IiiesZ,Gie
6、ienAW,etai.TCeiiIg-andmucin-domain-膜錨著部位,可能通過其碳水化合物部分與選擇素containingmoiecuie-3(TIM-3)andTIM-1moiecuiesaredifferentiaiiy相互作用,以利于效應(yīng)性Th1細(xì)胞發(fā)揮功能。另外,expressedonhumanTh1andTh2ceiisandincerebrospinaifiuid-derivedTim-3的粘蛋白區(qū)在結(jié)構(gòu)上類似于MACAM-1,可能mononuciearceiisinmuitipie
7、scierosis.JImmunoi,2004,172(11):7169-7176.利于淋巴細(xì)胞的歸巢,但具體功能目前還不明了。12Sanchez-fueyoA,TianJ,PicareiiaD,etai.Tim-3inhibitsTheiper進(jìn)一步深入闡明Tim-3的作用途徑及其對(duì)Th1/Th2type1-mediatedauto-andaiioimmuneresponsesandpromotesimmuno-分化平衡的影響將為免疫性疾病的長期調(diào)控提供新iogicaitoierance.NatImmun
8、oi,2003,4(11):1093-1101.的理論基礎(chǔ)。13ZhuC,AndersonAC,SchubartA,etai.TheTim-3iigandgaiectin-9參考文獻(xiàn)negativeiyreguiatesTheipertype1immunity.NatImmunoi,2005,6(12):1245-1252.1李振,蔡小嫦.Th1/Th2細(xì)胞在炎癥浸潤中的不同表現(xiàn).國外醫(yī)學(xué).免疫學(xué)分冊(cè),2002,