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You are here:Home » Molecular Biology » MB-Growth Factors-CNTF » Ciliary Neurotropic Factor, Recombinant, Rat (CNTF)

Ciliary Neurotropic Factor, Recombinant, Rat (CNTF)


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CNTF is a polypeptide hormone whose actions appear to be restricted to the nervous system where it promotes neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. The protein is a potent survival factor for neurons and oligodendrocytes and may be relevant in reducing tissue destruction during inflammatory attacks. A mutation in this gene, which results in aberrant splicing, leads to ciliary neurotrophic factor deficiency, but this phenotype is not causally related to neurologic disease. CNTF is a survival factor for various neuronal cell types and seems to prevent the degeneration of motor axons after axotomy. CNTF Recombinant Rat produced in E. coli is a single, non-glycosylated polypeptide chain containing 200aa and having a molecular mass of 22834D. The CNTF is purified by proprietary chromatographic techniques.
Catalog #C5073-01A
SourceRecombinant corresponding to rat CNTF expressed in E. coli.
Molecular Weight~22.834kD
Biological ActivityFully biologically active by its ability to phosphorylate STAT3 in several cells lines.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~22.834kD
SourceE. coli
Purity~99% (SDS-PAGE)
ConcentrationNot determined
FormSupplied as a lyophilized powder from 0.025% sodium bicarbonate. Reconstitute in sterile dH2O or 0.4 % sodium bicarbonate adjusted to pH 8-9 to 100ug/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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