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1、626中華皮膚科雜志2010年9月第43卷第9期ChinJDermatol,Seotember2010,Vo1.43,No.9·論著·特應(yīng)性皮炎患者IgE受體FceRIoL基因多態(tài)性研究黨宏周娟應(yīng)作霖施偉民李莉【摘要】目的探討FceRIa基因序列研究基因多態(tài)性與特應(yīng)性皮炎的相關(guān)性。方法提取特應(yīng)性皮炎患者(97例)和正常人(283例)基因組DNA并進(jìn)行擴(kuò)增,通過高溫連接酶檢測(cè)法(PCR—LDR)測(cè)定FcsRIa基因遠(yuǎn)端啟動(dòng)子的序列,檢測(cè)其SNP位點(diǎn),并用SPSS軟件進(jìn)行統(tǒng)計(jì)處理。結(jié)果@FceRIct基因啟動(dòng)子區(qū)rs61828219位點(diǎn)存在G>T多態(tài)性,~12135235位點(diǎn)為1Tr純合子,rs3
2、6233780位點(diǎn)為AA純合子。②特應(yīng)性皮炎患者組和正常人對(duì)照組問的~61828219位點(diǎn)基因突變頻率分別為1.o4%和2.17%,兩組間差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論漢族人FceRI~基因~61828219位點(diǎn)存在G>T基因多態(tài)性。與特應(yīng)性皮炎相關(guān)性不顯著,s12135235位點(diǎn)和m36233780位點(diǎn)不存在多態(tài)性?!娟P(guān)鍵詞】皮炎,特應(yīng)性;基因,F(xiàn)ceRI;多態(tài)性,單核苷酸Polymorphismsofthehigh-affinityreceptorforIgEalpha-chain(FceRIot)geneinpafien~withatopicdermatitisDAGHonf,z
3、HOUJuan,YlGZuo-1in,SHlWei-rain,uLi.*DepartmentofDermatology,AfiliatedFirstPeopleSHospitalofShanghaiJiaoTongUniversity,Shanghai200085,ChinaCorrespondingaothor:LILiEmaihannylish@hotmail.eom【Abstract】0bjectiveToassesstherelationshipbetweensinglenucleotidepolymorphismsofFceRIageneandatopicdermatitis.Met
4、hodsGenomicDNAsampleswereextractedfromperipheralbloodof97patientswithatopicdermatitisand283normalhumancontrols.ThepolymorphismatthedistalpromoterregionofFceRI~geneWaSdeterminedbyPCR—ligasedetectionreactionassayfollowedbygenesequencing.ResultsAG廠rpolymorphismwasobservedatpositionm61828219inthepromote
5、rregionofFeeRIugene.whileallthetestedindividualswerehomozygousforT廠I、atpositionrs12135235andAatposition~36233780inthepro—rooterregionofFeeRIctgene.Themutationfrequencyatpositionrs61828219was1.04%and2.17%inpatientswithADandnorma1humancontrols。respectively(bothP>0.05).ConclusionsIntheChineseHanpopula—
6、tion.thereisaC/]rpolymorphismatposition~61828219inFceRIagenepromoterregion.whichisunlikelyrelatedtothedevelopmentofAD;however.nopolymorphismiSdetectedatpositionrsl2135235or~36233780.【Keywords】Dermatitisatopie;GenesFcsRI;Polymorphism,singlenucleotide特應(yīng)性皮炎(atopicdermatitis,AD)是兒童最常對(duì)象與方法見的慢性復(fù)發(fā)性、過敏性皮膚病。
7、常伴發(fā)過敏性結(jié)一膜炎、過敏性鼻炎、哮喘等,并伴有血清IgE增高等。、對(duì)象2009年8月至2010年1月在本科就診的符合AD的發(fā)病機(jī)制尚不完全清楚,越來越多的觀點(diǎn)和Williams診斷標(biāo)準(zhǔn)的AD患者共97例,其中男40例,研究結(jié)果認(rèn)為其發(fā)生與遺傳和環(huán)境因素密切相關(guān)。女57例,年齡4~90歲,平均(41.19±22.06)歲,平近年來,IgE及其受體與疾病的相關(guān)性日漸受到重均病程(9.9±1.2)個(gè)月