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生物来源
human
质量水平
重组
expressed in HEK 293 cells
检测方案
≥95% (SDS-PAGE)
形式
lyophilized powder
效能
≤1.0 ng/mL ED50
质量
endotoxin tested
分子量
17 kDa (glycosylated)
~17.4 kDa
包装
pkg of 10 μg
储存条件
avoid repeated freeze/thaw cycles
技术
cell culture | mammalian: suitable
杂质
≤1.00 EU/μg (endotoxin)
UniProt登记号
储存温度
−20°C
基因信息
human ... TNF(7124)
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一般描述
应用
- 用作内皮细胞单层通透性测定的通透性诱导剂
- 作为原代大鼠心脏微血管内皮细胞(RCMVEC)的活性氧物质诱导剂
- 活化人胚胎肾细胞(HEK293)、神经母细胞瘤SH-SY5Y细胞 和HeLa细胞中的核因子kappa B(NF-κB)
- 刺激人角质形成细胞系(HaCaT) 和人冠状动脉内皮细胞(HCAECs)
- 通过抗中性粒细胞胞质抗体诱导结合中性粒细胞,并研究其对血小板活化和单体C-反应蛋白形成的影响。
- 研究TNF-α对miR-221和趋化因子表达的影响。
- 诱导炎症细胞反应。
- NF-κB荧光素酶报告基因检测。
生化/生理作用
制备说明
分析说明
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
How should product H8916, Tumor Necrosis Factor-alpha human be dissolved?
Product H8916 is soluble in sterile PBS or sterile water with 0.1 % endotoxin free human serum albumin. H8916 can be made without addition of albumin providing the protein concentration is high, 200-500 μg/ml. Since the vial contains 10 μg, then a volume of either sterile PBS or sterile water in the range of 20 -50 μl will be added to give the 200 -500 μg/ml protein concentration.
What is the solution stablity of H8916, Tumor Necrosis Factor-alpha human?
A stock solution of H8916 can be kept at a concentration of 200-500 ug/ml (micrograms/ml) for up to 1 week at 4 °C. For long term storage, aliquot into single use size and store at -80 °C. Please avoid freeze thaw cycles as this can effect the activity.
How should product H8916, Tumor Necrosis Factor-alpha human be dissolved?
Product H8916 is soluble in sterile PBS or sterile water with 0.1 % endotoxin free human serum albumin. H8916 can be made without addition of albumin providing the protein concentration is high, 200-500 μg/ml. Since the vial contains 10 μg, then a volume of either sterile PBS or sterile water in the range of 20 -50 μl will be added to give the 200 -500 μg/ml protein concentration.
What is the difference between H8916 and T6674, Tumor Necrosis Factor-α human?
Both products are recombinant Tumor Necrosis Factor-α human, however, they are expressed in different cell types. T6674 is expressed in Escherichia coli and H8916 is expressed in human HEK 293 cells. When recombinant human proteins are produced in human cells they are more authentic in terms of proper folding, phosphorylation, and glycosylation of the protein. Human proteins expressed in Escherichia coli do not undergo these proper post-translational modifications.
My question is not addressed here, how can I contact Technical Service for assistance?
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