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细胞角蛋白8重组兔单抗
包装与价格:
产品名称 Cytokeratin 8 Recombinant Rabbit mAb 产品介绍
细胞角蛋白8重组兔单抗 商品属性
中文名称细胞角蛋白8重组兔单抗 别 名card2; Cardiac autoantigen 2 120kD; CK 8; CK8; CK-8; ck8; Cyk 8; cyk8; CYKER; Cytokeratin endo A; Cytokeratin-8; Cytokeratin8; DreK8; EndoA; k0; CYK8; k2c8; K2C8_HUMAN; k8; Keratin 8; Keratin type ii cytoskeletal 8; Keratin, type II cytoskeletal 8; Keratin-8; Keratin8; KO; Krt 2.8; Krt 8; krt8; KRT-8; MGC118110; MGC174782; MGC53564; MGC85764; sb:cb186; Type-II keratin Kb8. 研究领域肿瘤 细胞生物 信号转导 抗体来源Rabbit 克隆类型Recombinant 克 隆 号8C12 交叉反应Human,Mouse,Rat 产品应用WB=1:1000-5000,IHC-P=1:200-800,IHC-F=1:200-800,IF=1:200-800,ICC/IF=1:100-500 not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user. 理论分子量53 kDa 检测分子量 细胞定位细胞核 细胞浆 性 状Liquid 浓 度1mg/ml 免 疫 原A synthesized peptide derived from human Cytokeratin 8: 450-483 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Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antib 注意事项This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. PubMedPubMed 产品介绍This gene is a member of the type II keratin family clustered on the long arm of chromosome 12. Type I and type II keratins heteropolymerize to form intermediate-sized filaments in the cytoplasm of epithelial cells. The product of this gene typically dimerizes with keratin 18 to form an intermediate filament in simple single-layered epithelial cells. This protein plays a role in maintaining cellular structural integrity and also functions in signal transduction and cellular differentiation. Mutations in this gene cause cryptogenic cirrhosis. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jan 2012]. 靶点与功能
细胞角蛋白8(Cytokeratin 8, CK8)是II型中性角蛋白家族成员,常与I型角蛋白(如CK18)形成异二聚体,构成上皮细胞的中间纤维网络。其核心功能包括: 结构支撑:维持上皮细胞形态与机械强度,尤其在单层上皮(如肝细胞、乳腺导管上皮)中高表达; 信号转导:通过磷酸化修饰(如Ser73位点)参与细胞应激反应,调控细胞迁移与凋亡; 疾病关联:表达异常与肝纤维化(CK8/CK18片段可作为肝损伤标志物)、腺癌侵袭转移(如乳腺癌、胰腺癌)密切相关,是病理诊断和预后评估的重要指标。 实验操作关键要点
WB检测(肝癌细胞系HepG2): 样本处理:使用含1mM Na₃VO₄(磷酸酶抑制剂) 的RIPA裂解液冰上裂解30分钟,12000g离心15分钟取上清; 电泳条件:10% SDS-PAGE凝胶,恒压80V浓缩胶、120V分离胶,电泳90分钟,转膜选用0.45μm PVDF膜; 抗体孵育:Proteintech单抗1:8000稀释(5% BSA+TBST),4℃孵育过夜,HRP二抗(山羊抗兔)1:10000室温孵育1小时,曝光时间5-10秒。 IHC-P组织染色(乳腺癌样本): 抗原修复:采用EDTA缓冲液(pH9.0) 高压修复10分钟(121℃),增强核周胞质信号; 阳性定位:癌细胞胞质呈细颗粒状阳性,正常乳腺导管上皮细胞弱阳性,间质细胞阴性; 封闭处理:5%驴血清+0.3% Triton X-100室温封闭45分钟,降低非特异性结合。 IF双标实验(细胞极性研究): 共染策略:CK8抗体(绿色荧光)与ZO-1抗体(红色荧光,紧密连接标志物)共染,观察上皮细胞极性破坏时CK8纤维的重排; 固定条件:4%多聚甲醛室温固定15分钟,0.2% Triton X-100透化10分钟,确保抗体穿透性。 公司正在出售的产品
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