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黑色素瘤相关抗原单克隆抗体
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产品名称 CD63 Mouse mAb 产品介绍
商品属性 产品介绍The protein encoded by this gene is a member of the transmembrane 4 superfamily, also known as the tetraspanin family. Most of these members are cell-surface proteins that are characterized by the presence of four hydrophobic domains. The proteins mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility. The encoded protein is a cell surface glycoprotein that is known to complex with integrins. It may function as a blood platelet activation marker. Deficiency of this protein is associated with Hermansky-Pudlak syndrome. Also this gene has been associated with tumor progression. Alternative splicing results in multiple transcript variants encoding different protein isoforms. [provided by RefSeq, Apr 2012]
商品详情 英文名称CD63 Mouse mAb 中文名称黑色素瘤相关抗原单克隆抗体 别 名Lysosomal associated membrane protein 3; CD63 antigen; CD63 antigen melanoma 1 antigen; CD63 molecule; granulophysin; LAMP 3; LAMP3; lysosome associated membrane glycoprotein 3; CD 63; CD63 antigen(melanoma 1 antigen); CD63_HUMAN; gp55; granulophysin; LAMP-3; LIMP; Lysosomal-associated membrane protein 3; Melanoma-associated antigen ME491; NGA; Ocular melanoma-associated antigen; PTLGP40; Tetraspanin-30; Tspan-30; Mast cell antigen AD1; ME491; melanoma 1 antigen; Melanoma associated antigen ME491; Melanoma associated antigen MLA1; MGC72893; MLA 1; MLA1; ocular melanoma associated antigen; OMA81H; Tetraspanin 30; Tspan 30; TSPAN30; Tumor biomarkers; Platelets markers. 研究领域肿瘤 心血管 免疫学 细胞类型标志物 抗体来源Mouse 克隆类型Monoclonal 克 隆 号7E1 交叉反应Human 产品应用IHC-P=1:100-500,IHC-F=1:100-500,IF=1:100-500,ELISA=1:5000-10000 not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user. 理论分子量26 kDa 检测分子量30-50 细胞定位细胞浆 细胞膜 性 状Liquid 浓 度1mg/ml 免 疫 原Recombinant human CD63 protein: 103-203/238 亚 型IgG 纯化方法affinity purified by Protein A 缓 冲 液0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. 保存条件Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. 注意事项This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. PubMedPubMed 关键靶抗原与抗体特性 黑色素瘤相关抗原(MAAs)是一类在黑色素瘤细胞中高表达、正常组织(除睾丸/胎盘外)低表达的特异性分子,对应单克隆抗体的核心参数如下: 抗原名称 抗体靶点功能 抗体典型应用 特异性与敏感性 HMB-45 识别黑色素体相关蛋白gp100,参与黑色素合成 IHC(病理诊断金标准)、FCM 特异性>95%(仅黑色素瘤/痣细胞阳性),敏感性80%-90% Melan-A/MART-1 识别黑色素瘤抗原A,表达于黑色素细胞及肿瘤细胞 IHC(皮肤/淋巴结转移灶检测)、WB 特异性90%(与部分肾上腺皮质肿瘤交叉反应) Tyrosinase 识别酪氨酸酶(黑色素合成关键酶) WB(蛋白表达定量)、IF(亚细胞定位) 敏感性高(>90%),但正常黑色素细胞亦阳性 S-100蛋白 钙结合蛋白,参与细胞增殖与分化 IHC(辅助诊断,区分黑色素瘤与癌转移) 敏感性>95%,特异性低(神经/脂肪组织亦表达) PRAME 黑色素瘤优先表达抗原,与肿瘤侵袭性相关 FCM(循环肿瘤细胞检测)、IHC(预后评估) 特异性85%,正常组织几乎不表达(睾丸除外) MAGE家族 MAGE-A1/A3/A5等,肿瘤睾丸抗原(CTA),诱导抗肿瘤免疫 免疫治疗靶点(如CAR-T)、ELISA检测 特异性90%,仅在黑色素瘤/肺癌等实体瘤中表达 实验应用关键操作 IHC病理诊断(皮肤黑色素瘤活检样本): 抗原修复:柠檬酸钠缓冲液(pH6.0)高温高压修复2分钟,自然冷却; 抗体组合:HMB-45 + S-100联合染色——HMB-45胞质颗粒阳性(黑色素瘤特异性),S-100胞核+胞质阳性(辅助排除非黑色素细胞肿瘤); 结果判读:阳性细胞比例>5%为阳性,需结合HE染色形态学(如核仁明显、细胞异型性)综合判断。 FCM循环肿瘤细胞检测: 样本处理:外周血经红细胞裂解液处理后,用CD45-PE-Cy7(排除白细胞)和Melan-A-FITC双标染色; 设门策略:CD45⁻Melan-A⁺为黑色素瘤循环肿瘤细胞(CTCs),可结合DAPI排除死细胞; 临床意义:CTCs数量与转移风险正相关,可用于疗效监测。 WB验证(A375黑色素瘤细胞系): 样本制备:RIPA裂解液(含1mM PMSF)冰上裂解30分钟,12000g离心取上清; 关键技巧:Tyrosinase分子量约75kDa,WB需用低浓度胶(8% SDS-PAGE)分离,一抗1:500稀释4℃孵育过夜。 公司正在出售的产品
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