G CSF Human-Colony Stimulating Factor

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G CSF Human

Qty


Total
$65
Catalog #
CYPS-227
Size
Description
Granulocyte Colony Stimulating Factor Human Recombinant produced in E.coli is a single, non-glycosylated, polypeptide chain containing 175 amino acids and having a molecular mass of 18.8 KD.GCSF is purified by proprietary chromatographic techniques.
Additional Information
IntroductionGCSF is a cytokine that controls the production, differentiation, and function of granulocytes. The active protein is found extracellularly. Three transcript variants encoding three different isoforms have been found for the GCSF gene. Granulocyte/macrophage colony-stimulating factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. This csf induces granulocytes.
SynonymsCSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Filgrastim, Lenograstim, G-CSF, MGC45931, GCSF.
SourceEscherichia Coli.
Physical AppearanceSterile Filtered White lyophilized (freeze-dried) powder.
FormulationGCSF was lyophilized after extensive dialysis against 10mM sodium acetate buffer pH= 4.
SolubilityIt is recommended to reconstitute the lyophilized GCSF in sterile 20mM AcOH not less than 100
StabilityLyophilized GCSF althoµgh stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF 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.
Amino Acid SequenceThe
sequence
of
the
first
five
N-terminal
amino
acids
of
GCSF
was
determined
and
was
found
to
be
Met-Thr-Pro-Leu-Gly.
PurityGreater than 98.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE.
Biological ActivityThe ED50, calculated by the dose-dependant proliferation of murine NFS-60 indicator cells (measured by 3H-thymidine uptake) is < 0.1 ng/ml, corresponding to a Specific Activity of 100,000,000 IU/mg.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
ReferencesTitle:Contribution of an Aged Microenvironment to Aging-Associated Myeloproliferative Disease.Publication:Vas V, Wandhoff C, D
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