Pertuzumab；帕妥珠单抗
分子量：145.17KD
简介：Pertuzumab, a humanized monoclonal antibody, is aHER2dimerization inhibitor for the treatment of metastatic HER2-positive breast cancer.
产品形式：蛋白原液。每种装于冻存管中，单抗质量为标示数量1MG或者5MG，体积根据其浓度不同略有不同。
质量标准：
Non-reduced CE-SDS:………………………………………….>90%;
SEC-HPLC:………………………………………………………….>95%;
Bacterial Endotoxins Test：…………………………………. .<10EU/ml
Residual Proteins of Host Cell: ……………………………. <100 ng/mg
Exogenous residual DNA: …………………………………. . <100pg/mg
Residual Protein A: ……………………………………………. .<100 ng/mg
Biological Activity:………………………………………….……. .80% to 125% of standard
储存条件：-70 ± 15℃for long-term storage, 2-8℃for short-term storage, away from light.
运输条件：干冰运输
使用建议：
meilunbio提供的产品为蛋白原液形式。每种装于冻存管中，单抗质量为标示数量1MG或者5MG，体积根据其浓度不同略有不同。
使用前可以根据自己实验需求进行稀释，溶剂建议用去离子无菌水(meilunbio货号MA0028，去离子无菌水(细胞培养用水))或者PBS（meilunbio货号MA0015PBS(1X),细胞培养级）。
不建议使用含有防腐成分的稀释液进行稀释，会增加细胞或者动物毒性。
稀释前，计算加入多少体积溶剂，请参考购买批次质检单上蛋白浓度，或者询问我司，
举例，质检单显示该批次单抗蛋白原液蛋白浓度为 50mg/ml
对应5MG包装的蛋白原液体积为5mg（质量）/50mg/ml(浓度)=0.1ML，
实验需求蛋白浓度为10mg/ml, 需要稀释倍数为 50/10=5, 则需要加入0.4ML,即400ul PBS或者无菌去离子水即可。
若给药量为固定质量值，比如单次给药0.5MG，对应蛋白原液给药体积为10ul，建议稀释后，提高给药体积降低误差，因为注射器或者移液器吸头残留会影响实验效果。
稀释后的蛋白溶液，可于2-8度冷藏避光保存不超过2周，不建议长期储存。
避免反复冻融，每次冻融蛋白活性会降低约5%左右。
生物活性（仅来自于公开文献，不保证其有效性）
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描述
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Pertuzumab, a humanized monoclonal antibody, is aHER2dimerization inhibitor for the treatment of metastatic HER2-positive breast cancer. |
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靶点 |
HER2 |
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体外 |
Trastuzumab and Pertuzumab are highly synergistic inhibitors of BT474 breast cancer cell survival. The combination of trastuzumab and Pertuzumab mediates a loss of up to 60% of cells at doses in which individual drugs do not alter cell survival. The combination of trastuzumab and Pertuzumab reduces the percentage of proliferating (S-phase) cells by more than 2-fold. A combination of trastuzumab and Pertuzumab inhibits cell proliferation and survival to a greater degree than does either agent alone. |
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体内 |
In Calu-3 NSCLC xenografts, monotherapy with pertuzumab or trastuzumab is able to significantly inhibit tumor growth, with treatment-to-control ratios (TCR) of 0.23 and 0.27, respectively. The combination of trastuzumab and pertuzumab produces a dramatically enhanced antitumor activity compared with single-agent treatments (TCR 0.05, resulting in tumor regression and, in 3 of 10 animals, complete tumor remission). Treatment of KPL-4 breast cancer xenografts with either trastuzumab or pertuzumab inhibits tumor growth with TCRs of 0.67 and 0.65, respectively. Pertuzumab maintains antitumor activity after progression on trastuzumab. |
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用途及描述：仅供科研，严禁用于人体(For R&D Only)
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