英文名稱：Recombinant Human Interleukin-6
中文簡稱：【IL 6】重組人白介素-6

Recombinant Human Interleukin-6 【IL 6】重組人白介素-6 細胞因子產(chǎn)品描述：

人白介素-6重組蛋白是一種與多種細胞因子的生物學功能:它扮演一個重要角色在最后白成ig-secreting細胞分化,誘導骨髓瘤和漿細胞瘤增長,導致神經(jīng)細胞分化,在肝細胞誘發(fā)急性期反應物。
人白介素-6重組蛋白是在大腸桿菌中重組表達的，是一條單鏈、非糖基化的多肽鏈，包含有184個氨基酸，分子量為21000Da。該人白介素-6重組蛋白最終由標準的色譜技術純化出。
來源宿主---大腸桿菌中重組表達。

Recombinant Human Interleukin-6 【IL 6】重組人白介素-6 細胞因子產(chǎn)品實驗須知：

溶解：提供的人白介素-6(IL 6)產(chǎn)品為經(jīng)0.2um孔徑過濾滅菌的白色凍干粉末；該凍干粉末是從含1mg/ml人白介素-6(IL 6)的PBS，pH 7.4溶液中過濾滅菌并凍干產(chǎn)生的。我們建議加無菌的18MΩ-cm水以配制工作儲存液到100ug/ml，后繼實驗過程中可根據(jù)實驗要求進一步稀釋。

保存：人白介素-6(IL 6)在室溫可保存3周，或置于-18℃凍存用于長期保存。重新溶解后可以在4℃冷藏保存至少2-7天；如果想延長保存時間，建議分裝（加載體蛋白如0.1% HSA或 BSA）后置于-18℃凍存。請避免反復凍融。

Recombinant Human Interleukin-6 【IL 6】重組人白介素-6 細胞因子產(chǎn)品英文描述：

Synonyms 

IFN-b2, B cell differentiation factor, BCDF, BSF-2, HPGF, HSF, MGI-2, B-cell stimulatory factor 2, Interferon beta-2, Hybridoma growth factor, CTL differentiation factor, CDF, IL-6, HGF.

Introduction 

Il-6 is a cytokine with a wide variety of biological functions: it plays an essential role in the final differentiation of b-cells into ig-secreting cells, it induces myeloma and plasmacytoma growth, it induces nerve cells differentiation, in hepatocytes it induces acute phase reactants.

Description 

Interleukin-6 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 184 amino acids and having a molecular mass of 21000 Dalton.
The IL6 is purified by proprietary chromatographic techniques.

Source 

Escherichia Coli.

Physical Appearance 

Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation 

Lyophilized from a 0.2um filtered concentrated (1mg/ml) solution in PBS, pH 7.4.

Solubility 

It is recommended to reconstitute the lyophilized Interleukin-6 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

Stability 

Lyophilized Interleukin-6 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL6 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.

Purity 

Greater than 97.0% as determined by

(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Amino acid sequence 

The sequence of the first five N-terminal amino acids was determined and was found to be Met-Pro-Val-Pro-Pro.

Biological Activity 

The ED50 as determined by the dose-dependant stimulation of murine 7TD1 cells is less than 0.1 ng/ml, corresponding to the specific activity of 1.0 x 10,000,000 Units per mg.

Protein content 

Protein quantitation was carried out by two independent methods
1. UV spectroscopy at 280 nm using the absorbency value of 0.47 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

2. Analysis by RP-HPLC, using a standard solution of IL-6 as a Reference Standard.