Pervanadate is a protein tyrosine phosphatase inhibitor that is commonly used to increase tyrosine phosphorylation in cells. When cells are treated with pervanadate for 30 minutes they undergo significant tyrosine phosphorylation, as shown by western blotting using anti-Phosphotyrosine.
Confluent cultures of A431 cells were serum starved overnight. Cells were then either left untreated (Cat.# AL9401) or treated with pervanadate (1 mM) for 30 minutes at 37°C (cat.# AL9501). Cells were lysed in 1% SDS, 1.0 mM sodium ortho-vanadate, 10 mM Tris (pH 7.4) buffer. Protein concentration was determined using the BCA method (Pierce) before diluting to final concentration and buffer.
Western blot analysis of A431, HeLa, and Jurkat cells (20 µg/lane) untreated or treated with pervanadate (1 mM) for 30 min. Blots were probed with anti-Phosphotyrosine rabbit polyclonal.
The products are are safely shipped at ambient temperature for both domestic and international shipments. Each product is guaranteed to match the specifications as indicated on the corresponding technical data sheet. Please store at -20C upon arrival for long term storage.
*All molecular weights (MW) are confirmed by comparison to Bio-Rad Rainbow Markers and to western blotmobilities of known proteins with similar MW.
This kit contains:
KIT SUMMARY
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植物：抗虫、抗病、抗除草剂植物培育、改良作物品质（富含赖氨酸的玉米）
动物：提高生长速度、生产药物蛋白、器官移植、乳腺生物反应器
微生物：疫苗
基因治疗等等
各位业内前辈，我们正在考虑引进符合GMP认证标准的CHO细胞系，用于表达可做疫苗生产的重组蛋白类。目前已有符合标准信息的是Thermofisher的CHO-S悬浮培养细胞资料，希望能再多了解一些和这株细胞类似的其他公司符合GMP标准的生产株细胞做个比较。谢谢指教！
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考研细胞的题答案
生物合成人胰岛素注射液，比如诺和灵R笔芯。是单一品种、不是混合的胰岛素。是不含鱼精蛋白的短效胰岛素。
