简介:Objective:Toanalyzesubtypesandquasi-speciesofisolatedvirusesfromHIV-1infectedindividualsamongthepopulationepidemiologicaldynamicsoflocalHIV-1isolates,thuslayingafoundationfordesigningacandidateAIDSvaccine.Methods:Byhetero-duplexmobilityassay(HMA)andsinglestrandconformationpoly-morphism(SSCP)analysisonampliconsfromsingle-primedpolymerasechainreaction(SP-PCR),subtypesandquasi-speciesoftestedHIV-1isolateswereelucidated,andampliconsweresequencedforconfirmation.Results:Specificampliconsfromdifferentsubtypesandquasi-speciesofHIV-1couldbediscerniblebyHMAandSSCPanalysis.HIV-1isolatesfromdifferentpatientsmightbeeitheradifferentsrbtypeoranidenticalsubtype,andHIV-1isolatesfromanindividualwerepresentinapopulationofquasi-species.
简介:Objective:ToevaluatethehumoralimmuneinductioninratsofacandidateAIDSvaccineexpressingthegagp24genefromasubtypeBHIV-1isolate.Methods:Theamplifiedp24genewasinsertedintoaneukaryoticexpressionvectortoformthesupercoiledDNAvaccine.ThelinearizedexpressedDNAvaccinewaspreparedfromtheexpressionplasmidbypolymerasechainreaction(PCR).TheantigengeneexpressioninratsofthelinearizedandsupercoiledDNAvaccineswereinvitroandinvivodetected.Results:InvitrotranscriptionandNorthernhybridizationshowedthatthelinearizedDNAvaccinecouldsynthesizeamountsofp24mRNAsimilartothesupercoiledDNAvaccine.AntibodyassaysofinoculatedratsconfirmedthatthelinearizedexpressionDNAcouldinduceaslightlyhigherantibodytiterthantheexpressionplasmid,whilethehighestantibodytiterhadbeeninducedbyplasmidplusadjuvantinoculation.Conclusion:TheconstructionofacandidateAIDSvaccinebasedonthep24genecouldshedlightonapotentialHIVvaccine,meritingevaluationinarhesusmacaqueSHIV-AIDSmodel.
简介:1临床资料患者女,43岁。主诉全身皮肤水肿性紫红斑,反复10个月,于2011年8月4日就诊。患者10个月前无明显诱因全身皮肤出现大小不一的水肿性红斑,部分呈紫红色,有瘙痒及烧灼感,无大疱、血疱、脓疱,无糜烂、溃疡等损害。曾在当地医院就诊,诊断为'过敏性皮炎',予以'激素类乳膏'外用,皮疹部分消退,但反复发作,并渐出现头发及眉毛脱落,指甲、趾甲脱落。曾于6个月前在外院住院治疗,诊
简介:1临床资料患者男,32岁,躯干、四肢皮疹半年来诊。患者半年前无明显诱因躯干、四肢起红斑、小丘疹,上覆细薄鳞屑,部分丘疹顶端水疱、破溃,形成溃疡、结痂,痂皮脱落后遗留瘢痕,皮疹成批发生。曾在外院诊断为湿疹,用中药治疗(具体不详)效果不佳。家族中无类似病史。体格检查:体温36.4℃,脉搏73次/min,呼吸20次/min,血压15.6/10kPa。
简介:报告1例巨大特发性皮肤钙质沉着症。患者男,因头皮结节、斑块28年就诊,病理检查示:真皮浅中下层密集或散在分布团块状深蓝色钙盐沉积,周围真皮毛细血管扩张,充血,管周少量淋巴细胞、组织细胞浸润。诊断为特发性皮肤钙质沉着症。
简介:报告腹部离心性脂肪营养不良1例。患儿女,10岁,右下腹、外阴萎缩5年,无明显自觉症状。皮肤科情况:右下腹、右侧会阴、阴唇部可见境界清楚的萎缩性斑片,萎缩凹陷区皮下血管清晰可见。皮损组织病理示:表皮轻度萎缩,真皮胶原纤维减少,真皮血管扩张充血,浅层血管周围稀疏淋巴组织细胞浸润,皮下脂肪层、脂肪细胞呈团块状,少许坏死。