Technical Data
Ciliary Neurotrophic Factor Recombinant, Human (CNTF)
Molecular Biology Storage: -20CShipping: Blue Ice
Ciliary Neurotrophic Factor (CNTF) is a potent neural factor that was originally characterized as a survivability factor for chick ciliary neurons in vitro. More recently, CNTF has been shown to promote survivability and differentiation of other neuronal cell types. Recombinant Human CNTF is a 22.9kDa protein containing 200 amino acid residues.

Biological Activity:
Determined by the ability to stimulate proliferation of huma nTF-1 cells using a concentration range of 50-150ng/ml

Storage and Stability:
Lyophilized powder may be stored at 4C for short-term only. Reconstitute to nominal volume by adding sterile 5mM sodium phosphate, pH 7.5, aliquot and store at -20C. Reconstituted product is stable for 12 months at -20C. 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.

Country of Origin: USA
Source: E. coli
Purity: 98% by SDS-PAGE and HPLC. Endotoxin: 0.1ng/ug (1EU/ug).
Form: Supplied as a lyophilized powder from 5mM sodium phoshate, pH7.5, 5mM sodium chloride. Reconstitute with 5mM sodium phosphate, pH 7.5 to 0.1mg/ml.

Important Note: This 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.
Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.