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环氧合酶2重组兔单抗
包装与价格:
产品名称 Cyclooxygenase 2 Recombinant Rabbit mAb 产品介绍
环氧合酶2重组兔单抗 商品属性
中文名称环氧合酶2重组兔单抗 别 名PTGS2; COX 2; COX2; COX-2; Cyclooxygenase; Cyclooxygenase2; Cyclooxygenase-2; hCox 2; PGG/HS; PGH synthase 2; PGHS 2; PGHS2; PHS 2; PHS II; PHS2; Prostaglandin endoperoxide synthase 2; Prostaglandin G/H synthase 2 precursor; Prostaglandin G/H synthase and cyclooxygenase; Prostaglandin G/H synthase 2; Prostaglandin H2 synthase 2; TIS10II; PGH2_HUMAN. 前列腺素内过氧化物合成酶2 研究领域肿瘤 心血管 免疫学 信号转导 合成与降解 新陈代谢 抗体来源Rabbit 克隆类型Recombinant 克 隆 号14D5 交叉反应Human,Mouse 产品应用WB=1:500-2000,IHC-P=1:100-500,IHC-F=1:100-500,IF=1:100-500,ICC/IF=1:50-200 not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user. 理论分子量65 kDa 检测分子量 细胞定位细胞浆 性 状Liquid 浓 度1mg/ml 免 疫 原A synthesized peptide derived from human COX2: 550-604/604 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 产品介绍Prostaglandin-endoperoxide synthase (PTGS), also known as cyclooxygenase, is the key enzyme in prostaglandin biosynthesis, and acts both as a dioxygenase and as a peroxidase. There are two isozymes of PTGS: a constitutive PTGS1 and an inducible PTGS2, which differ in their regulation of expression and tissue distribution. This gene encodes the inducible isozyme. It is regulated by specific stimulatory events, suggesting that it is responsible for the prostanoid biosynthesis involved in inflammation and mitogenesis. [provided by RefSeq, Feb 2009] 靶点与功能
COX-2(Cyclooxygenase-2)是诱导型环氧化酶,分子量约72kDa,在炎症刺激(如IL-1β、TNF-α)或肿瘤微环境中被激活,催化花生四烯酸转化为前列腺素(如PGE2)。其核心功能包括: 炎症调控:参与疼痛、发热等炎症反应,是非甾体抗炎药(NSAIDs)的主要靶点; 肿瘤关联:在结直肠癌、胃癌、乳腺癌等肿瘤中高表达,通过促进血管生成、抑制凋亡推动肿瘤进展; 免疫调节:调控肿瘤相关巨噬细胞(TAM)极化,促进免疫抑制性微环境形成。 实验操作关键要点
WB优化(炎症细胞模型): 样本处理:LPS(1μg/mL)刺激RAW264.7细胞6小时后,用含磷酸酶抑制剂的RIPA裂解液冰上裂解20分钟,12000g离心取上清; 电泳条件:10% SDS-PAGE凝胶,恒压80V浓缩胶、120V分离胶,目标条带约72kDa; 抗体孵育:一抗1:2000稀释(5% BSA+TBST),4℃摇床孵育过夜,HRP二抗(山羊抗兔)1:5000室温孵育1小时。 IHC-P注意事项(结直肠癌组织): 抗原修复:采用柠檬酸钠缓冲液(pH6.0) 微波修复15分钟(95℃),增强胞质信号; 阳性定位:肿瘤细胞胞质呈棕黄色颗粒状阳性,癌旁炎症区域信号增强; 封闭处理:5%驴血清+0.3% Triton X-100室温封闭45分钟,减少非特异性结合。 公司正在出售的产品
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