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當(dāng)前位置：> 供求商機(jī)> GM CSF Human, Sf9/ 重組人粒-巨噬細(xì)胞集落刺激因子-sf9

GM CSF Human, Sf9/ 重組人粒-巨噬細(xì)胞集落刺激因子-sf9
  • GM CSF Human, Sf9/ 重組人粒-巨噬細(xì)胞集落刺激因子-sf9

貨物所在地：福建廈門市

更新時(shí)間：2024-11-24 21:00:06

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GM CSF Human, Sf9/ 重組人粒-巨噬細(xì)胞集落刺激因子-sf9
產(chǎn)品編號：CYT-416
產(chǎn)品規(guī)格：2μg/10μg/1mg

Synonyms CSF-2, MGI-1GM, GMCSF, Pluripoietin-alpha, Molgramostin, Sargramostim.
Introduction GMCSF is a cytokine that controls the production, differentiation, and function of granulocytes and macrophages. The active form of the protein is found extracellularly as a homodimer. This gene has been localized to a cluster of related genes at chromosome region 5q31, which is known to be associated with interstitial deletions in the 5q- syndrome and acute myelogenous leukemia. Other genes in the cluster include those encoding interleukins 4, 5, and 13.
GM-CSF stimulates the growth and differentiation of hematopoietic precursor cells from various lineages, including granulocytes, macrophages, eosinophils and erythrocytes.
Description GM-CSF Human Recombinant produced in insect cells is a single, glycosylated, polypeptide chain containing 127 amino acids （18-144） and having a molecular mass of 14.6kDa.
GM-CSF is fused to a C-terminal His -tag （6x His） and purified by proprietary chromatographic techniques.
Source Insect Cells.
Physical Appearance Sterile Filtered White lyophilized （freeze-dried） powder.
Formulation The protein was lyophilized with PBS.
Solubility It is recommended to reconstitute the lyophilized Granulocyte Macrophage Colony Stimulating Factor in sterile 18MΩ-cm H2O not less than 100μg/ml, which can then be further diluted to other aqueous solutions.
Stability Lyophilized Granulocyte Macrophage Colony Stimulating Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GMCSF 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 98.0% as determined by SDS-PAGE.
Amino acid sequence The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Pro-Ala-Arg-Ser.
Biological Activity The ED50 as determined by the dose-dependant stimulation of the proliferation of human TF-1 cells （human erythroleukemic indicator cell line） is ? 0.1 ng/ml, corresponding to a Specific Activity of 1 x107 IU/mg.
Protein content Protein quantitation was carried out by two independent methods
1. UV spectroscopy at 280 nm using the absorbency value of 0.963 as the extinction coefficient for a 0.1% （1mg/ml） solution. This value is calculated by the PC GENE computer analysis program of protein sequence （InliGenetics）.

2. Analysis by RP-HPLC, using a standard solution of GMCSF as a Reference Standard.
Usage ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs,agricultural or pesticidal products, food additives or household chemicals.

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