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Catalogue Number
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CYT-724
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Synonyms
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CSF-2, MGI-1GM, GM-CSF, Pluripoietin-alpha, Molgramostin, Sargramostim, MGC131935, MGC138897.
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Introduction
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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.
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Description
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GMCSF k9 Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 128 amino acids and having a molecular mass of 14.2 kDa. GM-CSF is purified by proprietary chromatographic techniques.
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Source
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Escherichia Coli.
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Physical Appearence
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Sterile Filtered White lyophilized (freeze-dried) powder.
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Formulation
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GMCSF was lyophilized after extensive dialysis against 1xPBS pH 7.4.
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Solubility
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It is recommended to reconstitute the lyophilized GMCSF in sterile 18M?-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Stability
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Lyophilized GMCSF 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.
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Purity
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Greater than 96.0% as determined by
1. Analysis by RP-HPLC.
2. Analysis by SDS-PAGE.
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Amino Acid Sequence
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APTRSPTLVT RPSQHVDAIQ EALSLLNNSN DVTAVMNKAV KVVSEVFDPE
GPTCLETRLQ LYKEGLQGSL TSLKNPLTMM ANHYKQHCPP TPESPCATQN
INFKSFKENL KDFLFNIPFD CWKPVKK.
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Biological Activity
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The ED50 as calculated by the dose-dependent stimulation of the proliferation of human TF1 erythroleukemic cells is typically 1-4 ng/ml.
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Usage
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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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Related Products
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Website : www.prospecbio.com
Email: info@prospecbio.com |
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