Active Recombinant Human CNTF protein, His-tagged

Cat.No. : CNTF-058H
Product Overview : Active Recombinant Human CNTF protein(P26441)(2~200 aa), fused with N-terminal His tag, was expressed in E.coli.
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Species : Human
Source : E.coli
Tag : His
Protein Length : 2-200 aa
Form : Lyophilized from sterile 20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% SKL, 5% Trehalose and Proclin300.
Bio-activity : Ciliary Neurotrophic Factor (CNTF) is a common extracellular polypeptide hormone who has neuroprotective effects on a variety of central and also peripheral nervous system neurons. It promotes differentiation and maturation of oligodendrocyte precursor cells to oligodendrocytes under in vitro conditions and thus improves remyelination. In addition, CNTF can also increase the survival of mature oligodendrocytes. To test the effect of CNTF on cell proliferation of SK-N-SH, SK-N-SH cells were seeded into triplicate wells of 96-well plates at a density of 5, 000 cells/well and allowed to attach overnight, then the medium was replaced with serum-free standard DMEM prior to the addition of various concentrations of CNTF. After incubated for 72h, cells were observed by inverted microscope and cell proliferation was measured by Cell Counting Kit-8 (CCK-8). Briefly, 10 µl of CCK-8 solution was added to each well of the plate,then measure the absorbance at 450 nm using a microplate reader after incubating the plate for 1-4 hours at 37°C .Cell proliferation of SK-N-SH cells after incubation with CNTF for 72h observed by inverted microscope was shown.
Molecular Mass : 26.5kDa
Endotoxin : <1.0EU per 1μg (determined by the LAL method).
Purity : > 95% as determined by SDS-PAGE.
Storage : Avoid repeated freeze/thaw cycles. Store at -20°C for 12 months. Aliquot and store at -80°C for 12 months.
Reconstitution : Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
Gene Name CNTF ciliary neurotrophic factor [ Homo sapiens ]
Official Symbol CNTF
Synonyms CNTF; ciliary neurotrophic factor; HCNTF;
Gene ID 1270
mRNA Refseq NM_000614
Protein Refseq NP_000605
MIM 118945
UniProt ID P26441

Not For Human Consumption!

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