简介:Objective:Theaiminthisstudywastoidentifytheallelicfrequenciesofthechemokine(SDF1-3'A)andchemokinereceptor(CCR5△32,CCR5m303andCCR2-64I)genesresistanttoHIV-1infectionand/ordiseaseprogressioninindigenousChinesepopulations.Methods:ByusingQIAampDNABloodMiniKit,thegenomicDNAsampleswerepurifiedfromwholeperipheralbloodofhealthyindividuals(n=2067)fromHan,Uygur,MongolianandTibetanethnicgroups,aswellasHanpatientsincludingHIV-1carriers(n=330),patientswithothersexuallytransmitteddiseases(STDs,n=259)andintravenousdrugusers(IVDUs,n=125).TheallelicpolymorphismswereidentifiedbymeansofPCRorPCR-RFLPanalyses.ThesequencesofrandomlyselectedamplifiedPCRproductswerefurtherconfirmedbydirectDNAsequencing.Results:Themutantfrequencieswereidentifiedtobe0%-3.48%forCCR5△32,0%forCCR5m303,19.15%-28.79%forCCR2-64and19.10%-28.73%forSDF1-3'Aalleles,respectively,inChinesehealthyindividualsfromfourethnicgroups.Ourfindingsindicatedtheallelicfrequenciesvaryamongthedifferentethnicgroups.Furthermore,theHIV-1carriers,STDcasesandIVDUs(allofHanethnicity)werefoundtohavetheallelicfrequenciesof0%-0.19%(CCR5A32),0%(CCR5m303),19.31%-20.45%(CCR2-64)and25.61%-26.83%(SDF1-3'A)withminorvariationsintheirfrequenciesbetweenthepatientsandhealthyHangroups.TherewasnoCCR5-m303mutationfoundinanysubjectinthisstudy.Conclusion:TheexaminedsubjectsoffourChineseethnicoriginsshowedlowerfrequenciesofCCR5A32andCCR5m303alleles,buthigherfrequenciesofmutantCCR264IandSDF1-3'Aallelescomparedtothoseidentifiedinnorthern-EuropeanandAmericanCaucasians.ThesignificanceofthedifferentfrequenciesandpolymorphismsoftheaboveallelesinChinesepopulationsneedstobefurtherexaminedinHIV-1/AIDSdiseases.
简介:Objective:AllelicpolymorphismsofCCR5△32、CCR2b-64I,CX3CR1-249I280MandSDF1-3’AassociatedwithHIV-1infectionanddiseaseprogressionwereinvestigatedinindigenousUygurpopulationsfromtheXinjiangUygurAutonomousRegionofChina.Mithods:Thestudypopulationcomprised316healthyUygursubjectswithanagerangeof1-80yearsold,fromwhomwholeperipheralbloodsampleswerecollectedandnonewereHIV-1seropositive.GenomicDNAsampleswerepurifiedusingaQiagenBloodKit.GenotypingoftheaforementionedfouralleleswasperformedusingPCRorPCR/RFLPassay,andfurtherconfirmedbydirectDNAsequencing.Results:TheallelicfrequenciesinChineseUygurpopulationwereasfollows:3.48%forCCR5△32;19.45%forCCR2b-64I;13.8%forCX3CRI-249I280Mhaplotype,and20.41%forSDFI-3’A.MutantalleledistributionsamongUygurpopulationswereinaccordancewiththeHardy-Weinbergequilibrium.NostatisticaldifferencewasfoundbetweenthefrequencyofthethreeHIVcoreceptorsandtheirrespectiveligandgenes.Conclusion:ThefrequencyofSDF1-3’AandCX3CR1-249I280MhaplotypemorecloselymatchedthehanChinese.ThefequencyofCCR5△32inUygurpopulationswasbetweenCaucasianandHanfrequencies,themorecloselymatchingthefrequencyinMedi-Asiapeople.NogeneticlinkagebetweenanytwoofthethreeHIVcoreceptorgeneswasfound,butobviousgeneticlinkagesexistedbetweenCX3CR1-249IandCX3CR1-280M,withevenhigherlinkagedegreesthanCaucasianpeople.
简介:Objective:Tostudythecellularimmunitystatusofpatientswithrecurrentgenitalherpes.Methods:Serumlevelsofinterlukin-2anditssolublereceptorandinterlukin-6weremeasuredbyELISAin34patientswithrecurrentgenitalherpes.Results:SerumlevelsofIL-2andIL-6weresignificantlydecreasedinpatientscomparedtohealthycontrols(P<0.01),andthelevelofsIL-2Rwassignificantlyincreasedinpatientswithrecurrentgenitalherpes(P<0.01).Therewerenosignificantdifferencesinallvariablesamongstpatientsregardingrelapsestageandremissionstage(P>0.05).Conclusion:Therewasacellularimmunedeficiencyinpatientswithrecurrentgenitalherpes.
简介:Objectiwe:InordertodetecttheroleofmonocytesinHSV-2infection,westudiedtheeffectofherpessim-plexVirus-2infectionontheproductionoftumorne-crosisfactor(TNF-α),interleukin-6(IL-6)secretedbymonocytes.Methods:MonocyteswereinfectedbyHSV-2(333Strain).Culturesupernatantswerecollectedat1,3,5,7dayspost-infection.ThelevelsofTNF-α,IL-6weremeasuredbyenzyme-linkedimmunosorbentas-say(ELISA).Results:ThelevelsofTNF-αsecretionbymono-cytessignificantlydecreasedonfirstdaypost-infection.ThelevelsofIL-6significantlydecreasedonfirstandthirddayspost-infection,andthengradu-allyincreasedtothecontrolonseventhdaypost-infection.Conclusions:TNF-αandIL-6productionbymono-cyteswasinhibitedduringHSV-2infection.Thepro-ductionofcytokinesmayplayanimportantroleinherpessimplexviurs-2pathogenicityandimmunity.
简介:目的探讨IL-17和IL-6在白癜风患者外周血中的变化及临床意义。方法酶联免疫吸附试验法检测60例白癜风患者和30例正常对照者外周血中IL-17和IL-6的表达水平。结果(1)寻常型白癜风患者组外周血中IL-17和IL-6水平均显著高于对照组(P〈0.01)。(2)节段型白癜风患者组外周血中IL-17和IL-6水平与正常对照组相比差异无统计学意义(P〉0.05)。(3)寻常型白癜风患者组中,进展期患者外周血IL-17水平显著高于稳定期患者(P〈0.01)。结论IL-17和IL-6可能在白癜风的发病机制中发挥重要作用;IL-17与寻常型白癜风的活动性有关。
简介:Objective:Tostudytheroleofmonocytesinthepathogenesisofgenitalherpes.Methods:TNF-aandIL-6levelsin27casesofgenitalherpesweredetectedbyenzymelinkedimmunosorbantassay(ELISA).HLAclassⅡantigenexpressiononmonocytesweredetectedbyanalkalinephosphataseanti-alkalinephosphatasemethod.Results:Comparedwithnormalcontrols,levelsofTNF-aandIL-6secretedbymonocytesrespondingtoLPSmitogeninvitroweresignificantlydecreased[(3.13±0.44ng/ml)vs(4.68±0.54ng/ml),P<0.05and(3.32±1.06ng/ml)vs(6.46±1.94ng/ml),P<0.05,respectively].HLAclassⅡantigenexpressiononmonocytesinthegenitalherpesgroupwasalsosignificantlydecreased[HLA-DR(67.48%±1.51%)vs(81.03%±1.32%),P<0.01andHLA-DQ(29.54%±1.15%)vs(37.63%±1.79%),P<0.01respectively].Conclusion:Thesefindingssuggestthatthedecreasedmonocytefunctionmaycontributetothepathogenesisofgenitalherpes.Augmentingorinducingmonocytefunctionmaybeimportantintheprevention,treatment,andreductionofgenitalherpescases.
简介:目的:探讨莫诺苯宗联合咪喹莫特对C57BL6小鼠白癜风造模的作用,以构建稳定、效果佳的白癜风模型,为治疗白癜风的药理、药效及机制研究奠定基础。方法:将30只4周龄的C57BL6小鼠分为A、B、C共3组,分别予A组40%莫诺苯宗联合5%咪喹莫特、B组40%莫诺苯宗、C组5%咪喹莫特涂搽小鼠下背部,每组每日涂药1次,连续涂搽60天。另取5只C57BL6小鼠为阴性对照组,不予任何处理。结果:A组与B组涂药2周后涂药部位均出现色素脱失,两组开始脱色的时间比较,差异无统计学意义(t=1.23,P>0.05),但2个月后两组涂药部位脱色积分比较,差异有统计学意义(t=2.43,P<0.05);A组非涂药部位色素脱失情况较B组相比,差异有统计学意义(t=2.45,P<0.05);C组仅可见1只小鼠涂药部位出现少量脱色。阴性对照组见未脱色及脱毛。结论:莫诺苯宗联合咪喹莫特对C57BL6小鼠白癜风造模的效果优于莫诺苯宗或咪喹莫特单独使用组。
简介:目的:探析血清TNF-α和白介素-6(IL-6)的水平检测在尖锐湿疣疾病诊断中发挥的作用。方法:选择我院于2012年9月至2013年9月期间共收治的47例尖锐湿疣患者作为研究观察组,另外从我院随机抽取47名健康体检人作为研究对照组。测定两组患者血清中的TNF-α和IL-6水平并进行比较。结果:观察组患者血清中TNF-α水平(26.52±7.08)g/mL明显低于对照组(38.83±8.86)g/mL,对比差异明显,具有统计学意义(P〈0.05),观察组患者血清中IL-6水平(34.17±8.04)g/mL明显低于对照组(48.92±6.68)g/mL,对比差异明显,具有统计学意义(P〈0.05)。结论:尖锐湿疣患者血清中的TNF-α和IL-6水平是患者细胞免疫功能下降的一个显著特征,并且可以直接反映出患者此时细胞免疫功能的高下,为尖锐湿疣疾病的临床确诊提供了重要依据,同时还可以明确疾病的严重程度,应用效果显著。