Avelumab
分子量：147KD
简介：Avelumab 是一个人 IgG1 抗 PD-L1 单克隆抗体，具有潜在的抗体依赖性细胞介导的细胞毒性作用。
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：
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(货号MA0028，去离子无菌水(细胞培养用水))或者PBS（货号MA0015 PBS(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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Avelumab is a fully human IgG1 anti-PD-L1 monoclonal antibody with potential antibody-dependent cell-mediated cytotoxicity. |
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靶点 |
PD-1/PD-L1 |
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体外 |
Avelumab is a fully human IgG1 anti-PD-L1 monoclonal antibody with potential antibody-dependent cell-mediated cytotoxicity property. Avelumab increases NK-cell lysis 3.1-fold (P=0.01) in JHC7 cells relative to isotype control. When the cells are treated with IFN-γ, Avelumab markedly enhances NK-cell lysis relative to isotype control in the following cell lines: JHC7 (7.56-fold; P=0.001), UM-Chor1 (7.34-fold; P<0.001), U-CH2 (2.6 fold; P=0.008), MUG-Chor1 (8.38-fold; P=0.0016). Avelumab effectively increases antibody-dependent cell-mediated cytotoxicity (ADCC) of both the non-cancer stem cell (CSC) and CSC subpopulations to the same degree. Results also demonstrate that the addition of Avelumab increases the frequency of antigen-specific multifunctional CD8+ T cells by more than fivefold, relative to the isotype control in CEFT-stimulated peripheral blood mononuclear cells (PBMCs). |
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体内 |
Measurement of individual tumors clearly shows a slowing of tumor growth in the Avelumab-treated mice. By day 36 post-tumor implantation, there is a significant (P<0.01) reduction in the average tumor volume of the Avelumab-treated mice. Reduction in MB49 tumor growth in the mice treated with Avelumab is durable and leads to a significant (P<0.05) improvement in percent survival. Avelumab treatment of 10 mice with bladder tumors results in complete tumor regression in 8 mice, confirmed by histopathology. However, in mice depleted of either CD4 or CD8 cells, Avelumab treatment is much less effective in controlling bladder tumor burden with tumor breakthrough occurring in a higher frequency in mice depleted of CD4 T cells. |
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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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CAS号：1537032-82-8
英文名字：Avelumab