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CNTF, human recombinant

A potent neural factor promoting survivability and differentiation of neuronal cell types.
Catalog #: 4017
SKU-Size Size Price Qty
4017-20 20 μg
4017-100 100 μg
4017-1000 1 mg
More Sizes Get Quote

Product Details

Alternate Name HCNTF, CNTF, Ciliary Neurotrophic Factor.
Gene Symbol CNTF
Gene ID 1270
Accession # P26441
Source E. coli
Appearance Lyophilized protein
Physical Form Description Sterile filtered and lyophilized without additives
Molecular Weight 22.9 kDa
Purity by SDS-PAGE ≥98%
Purity by ≥98%
Endotoxin Level <0.1 ng/μg
Biological Activity The ED₅₀ as determined by the dose-dependent proliferation of human TF-1 cells is < 2 ng/ml, corresponding to a specific activity of > 5 x 10⁵ units/mg.
Reconstitution Instructions Reconstitute in 5 mM Sodium Phosphate, pH 7.5 to a concentration of 0.1-1.0 mg/ml. The solution can then be diluted into other aqueous buffers and stored at 4°C for 1 week or –20°C for future use
Handling Centrifuge the vial prior to opening.
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not to be used in humans


CNTF (Ciliary Neurotrophic Factor) is a potent neural factor that was originally characterized as a survivability factor for chick ciliary neurons in vitro. CNTF has also been shown to promote survivability and differentiation of other neuronal cell types. Recombinant human CNTF is a 22.9 kDa protein containing 200 amino acid residues

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