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重组人波形蛋白(Recombinant Human Vimentin)
Vimentin Human
Vimentin Human Recombinant
Catalog No. PRO-309
Synonyms:
Vimentin, Vim, FLJ36605.
Introduction:
Vimentin expression in human malignant glioma cells depends on cellular density, algorithms of drug delivery and chemo/radio treatment. Vimentin and detyrosinated microtubules provide structural support for the extensive microtentacles observed in detached tumor cells and a mechanism to promote successful metastatic spread. Primary colorectal carcinomas display aberrant expression of vimentin, and have activated Notch and TGFbeta signaling pathways. Vimentin is a strong arterial substrate for transglutaminases. Transglutaminase-mediated vimentin dimerization results in a novel unifying pathway by which vasodilatory and remodeling responses may be regulated. Ablation of vimentin expression inhibits migration and invasion of colon and breast cancer cell lines. Vimentin is the main intermediate filament protein in mesenchymal cells and is therefore of value in the differential diagnosis of undifferentiated neoplasms.
Description:
Vimentin Human Recombinant is produced in E.Coli, having a molecular weight of 53,685 dalton (calaulated from sequence), 57,000 dalton (determinated by SDS gelelctrophoresis).
Source:
Escherichia Coli.
Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation:
The protein (1mg/ml) was lyophilized with 30mM Tris/HCL, pH 8, 9.5M urea, 2mM EDTA, 2mM DTT 10mM methylammonium chloride.
Solubility:
It is recommended to reconstitute the Vimentin in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability:
Lyophilized Vimentin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Vimentin should be stored at 4°C between 2-7 days and for future use below -18°C.
For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Please prevent freeze-thaw cycles.
Reconstitution to filaments:
After vimentin is dissolved in 9.5M urea buffer (see above), protofilaments and filament complexes are obtained by dialyzing the resulting polypeptide solution stepwise to a concentration of 4M urea and then to low salt condition (50mM NaCl, 2mM dithiothreitol, 10mM Tris-HCl, pH 7.4). For immunization purposes, the solution can be further dialyzed against PBS (phosphate buffered saline, e.g. Dulbecco's PBS).
- Hatzfeld M. and Franke W.W. (1985). J. Cell Biol. 101, 1826-1841
- Hatzfeld M. et al. (1987). J. Mol. Biol. 197, 237-255
Purity:
Greater than 95.0% as determined by SDS-gelelctrophoresis.
Usage:
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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企业名称
上海希美化学有限公司
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企业类型
信用代码
310228001203103
成立日期
2009-05-31
注册资本
10
经营范围
化工原料及产品(除危险化学品、监控化学品、烟花爆竹、民用爆炸物品、易制毒化学品),实验室设备,仪器仪表,金属制品,电子产品,机电产品销售,从事化工科技、计算机科技领域内技术开发、技术咨询、技术服务。【依法须经批准的项目,经相关部门批准后方可开展经营活动】
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公司名称： 上海希美化学有限公司
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