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《小葉女貞對(duì)免疫功能損傷小鼠t淋巴細(xì)胞免疫功能的調(diào)節(jié)作用》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。
1、小葉女貞對(duì)免疫功能損傷小鼠T淋巴細(xì)胞免疫功能的調(diào)節(jié)作用【摘要】研究小葉女貞對(duì)免疫功能損傷小鼠T淋巴細(xì)胞免疫功能的調(diào)節(jié)作用。方法以免疫功能損傷小鼠為研究對(duì)象,將實(shí)驗(yàn)鼠隨機(jī)分為5組,每組12只,分別為生理鹽水(NS)對(duì)照組、環(huán)磷酰胺(Cy)對(duì)照組、Cy+小葉女貞水煎液(小劑量)組、Cy+小葉女貞水煎液(大劑量)組、Cy+女貞子水煎液組。利用流式細(xì)胞儀檢測(cè)實(shí)驗(yàn)鼠外周血T淋巴細(xì)胞(CD4+、CD8+)的百分率,計(jì)算CD4+/CD8+比值,用全自動(dòng)酶標(biāo)儀檢測(cè)外周血IL2的含量。結(jié)果小葉女貞小劑量組和大劑量組CD4+T細(xì)胞、CD4+/CD8+、IL2的含量分別與
2、環(huán)磷酰胺組比較均明顯增高,有顯著性差異(P<0.01);與生理鹽水對(duì)照組比較,小劑量組無(wú)顯著性差異(P>0.05)、大劑量組明顯增高,有顯著性差異(P<0.01);與女貞子對(duì)照組比較,小劑量組結(jié)果低,有顯著性差異(P<0.01)、大劑量組無(wú)顯著性差異(P>0.05)。結(jié)論小葉女貞能使小鼠受損傷的免疫功能得到改善,能提高CD4+T細(xì)胞的數(shù)量和IL2含量,對(duì)免疫功能的調(diào)節(jié)作用與劑量成正相關(guān)。小葉女貞對(duì)T淋巴細(xì)胞免疫功能的調(diào)節(jié)機(jī)制是促進(jìn)T淋巴細(xì)胞分化、發(fā)育為成熟的CD4+T細(xì)胞,達(dá)到調(diào)節(jié)機(jī)體細(xì)胞免疫功能的作用。【關(guān)鍵詞】小葉女貞小鼠免疫功能損傷T淋巴細(xì)胞免疫
3、功能調(diào)節(jié)作用【Abstract】ObjectiveToexplorethemodulationeffectandmechanismofligustrumquihouicarr(LQC)ontheimmunefunctionofTlymphocytesinmousemunefunctionaged.MethodsMicepairedimmunefunctionentalanimal,anddividedintofivegroupsrandomly,ticeineverygroup,thedecoctionofLQCactedasexperimentalsa
4、mple,usingtheCyclophosphamideand0.9%NaClasthepositiveparisonsampleandnegativeparisonsamplerespectively,LQCminordose,majordose,andfructusligustrilucidi,addingCyclophosphamiderespectively,ThepercentageofTlymphocytes(CD4+、CD8+)intheperipheralbloodoftheexperimentalmiceeter,thencalcul
5、atedtheratioofCD4+toCD8+,thecontentofIL2intheperipheralbloodisexaminedbyDenley.ResultsContrastminordosegroupandmajordosegroupidegrouprespectively,theresultproveddramatically,inordosegroup,thereajordosegroup,there(P<0.01).paredinordosegroup,thecurativeeffectajordosegroup,there(P>
6、0.05).ConclusionTheimmunefunctionofthedamagedmiceprovedbyLQC,odulationeffectofLQContheimmunefunction.ThemechanismofregulationofLQContheimmunefunctionofTlymphocytescouldberealizedbypromotingthedifferentiationofTlymphocytesanddevelopingtobematureCD4+Tcells,sothatitcanregulatethecel
7、limmunefunctionofbody.【Keyquihouicarr(LQC),mouse,impairedimmunefunction,immunefunctionofTlymphocytes,modulationeffect小葉女貞又叫小白蠟,為木犀科女貞屬植物小葉女貞(ligustrumquihouicarr,LQC)的果實(shí)[1],性涼、味苦,和女貞子屬于同科同屬植物。初步研究[2,3]表明,小葉女貞可使ConA激發(fā)的T淋巴細(xì)胞增殖反應(yīng)明顯增強(qiáng),對(duì)細(xì)胞因子IL2有促進(jìn)作用,能促進(jìn)IL1的分泌,調(diào)節(jié)骨髓造血功能。但小葉女貞對(duì)免疫功能損傷動(dòng)物
8、的免疫調(diào)節(jié)作用未見報(bào)道。我們以免疫功能損傷小鼠為研究對(duì)象,以小葉女貞的水煎液為實(shí)