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Human CNTF Protein (His Tag)

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Human CNTF Protein Product Information
Synonym:HCNTF, CNTF
Protein Construction:A DNA sequence encoding the human CNTF (NP_000605.1) (Ala 2-Met 200) was expressed, with a polyhistide tag at the N-terminus.
Species:Human
Expressed Host:E. coli
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human CNTF Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Bio-Activity:1. Measured by its binding ability in a functional ELISA. Immobilized human His-CNTF (cat:11841-H07E) at 10 μg/ml (100 μl/well) can bind biotinylated rat CNTFR-His (Cat:80019-R08B). The EC50 of biotinylated rat CNTFR-His (Cat:80019-R08B) is 60-140 ng/ml.
2. Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is typically 1-4 μg/mL.
Endotoxin:Please contact us for more information.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Met
Molecule Mass:The recombinant human CNTF consisting of 214 amino acids and has a calculated molecular mass of 24.5 kDa. The apparent molecular mass of the protein is approximately 27-30 kDa in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human CNTF Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Other CNTF Recombinant Protein Products
11841-H07E
CNTF/Ciliary Neurotrophic Factor Background

Ciliary neurotrophic factor (CNTF) is a member of the cytokine family. It is a polypeptide hormone that have functions in promoting neurotransmitter synthesis and neurite outgrowth in certain neuronal populations. It's actions appear to be restricted to the nervous system. Ciliary neurotrophic factor (CNTF) has biological effects through the activation of a multi- subunit receptor complex, consisting of an extracelluar CNTF binding subunit (CNTFα) and two transmembrane signal transduction proteins: glycoprotein gp130 and LIF receptor. CNTF is considered as a potent survival factor of neurons and oligodendrocyteands may be relevant in reducing tissue destruction during inflammatory attacks. CNTF also is a survival factor for neurons of the peripheral sensory sympathetic and ciliary ganglia. It has been reported that CNTF could be an agent that has therapeutic potential and possibly induces differentiation of large multipolar ganglionic phenotype in a subset of progenitors.

Human CNTF/Ciliary Neurotrophic Factor References
  • Dutt K, et al. (2010) Ciliary neurotrophic factor: a survival and differentiation inducer in human retinal progenitors. In Vitro Cell Dev Biol Anim. 46 (7) : 635-46.
  • Lam A, et al.(1991) Sequence and structural organization of the human gene encoding ciliary neurotrophic factor. Gene 102 (2) : 271–6.
  • Bazan JF. ( 1991) Neuropoietic cytokines in the hematopoietic fold. Neuron 7 (2) : 197–208.
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    CNTF related areas, pathways, and other information

    Product nameProduct name
    Human Interleukin-31 receptor A / IL31RA Protein (Fc Tag, ECD)Canine IL-6R / CD126 Protein (ECD, His Tag)Human Oncostatin M / OSM ProteinCanine IL11RA / IL-11RA Protein (Fc Tag)Human G-CSF / CSF3 Protein (isoform b)Human IL6ST / gp130 / CD130 Protein (ECD, Fc Tag)Rat IL-11RA1 / Il11RA1 Protein (His Tag)Mouse CNTF / Ciliary Neurotrophic Factor Protein (His Tag)Human NNT1 / CLCF1 / CLC Protein (Fc Tag)Human GM-CSF / CSF2 Protein (Fc Tag)Human G-CSF / CSF3 Protein (Fc Tag)Human G-CSFR / CD114 / CSF3R Protein (Fc Tag)Human G-CSFR / CD114 / CSF3R ProteinHuman CSF2RA / GM-CSFR / CD116 Protein (Fc Tag)Human IL6 / Interleukin-6 ProteinHuman IL6R / CD126 Protein (His Tag)Human Leptin Receptor / LEPR / CD295 Protein (His & Fc Tag)Human Leptin ProteinHuman LIFR / CD118 Protein (His Tag)Human CSF2RA / GM-CSFR / CD116 Protein (His Tag)Human IL6ST / gp130 / CD130 Protein (His & Fc Tag)Mouse IL6ST / CD130 Protein (His & Fc Tag)Mouse IL6RA / CD126 Protein (His Tag)Mouse IL11RA / IL11Rα Protein (His Tag)Human OSMR / IL31RB Protein (His Tag)Human CNTFR / CNTFR-alpha Protein (His Tag)Human IL11RA / IL11Rα Protein (His Tag)Mouse LIFR / CD118 Protein (His Tag)Human Leptin Receptor / LEPR / CD295 Protein (His Tag)Mouse IL6ST / gp130 / CD130 Protein (His Tag)Human CNTF Protein (His Tag)Mouse IL-31 / IL31 Protein (His Tag)Rat gp130 / IL6ST / CD130 Protein (His & Fc Tag)Rat CNTFR / CNTFR-alpha Protein (His Tag)Rat gp130 / IL6ST / CD130 Protein (His Tag)Rat CNTF / Ciliary Neurotrophic Factor ProteinHuman G-CSFR / CD114 Protein (His Tag)Mouse OSMR / IL-31RB Protein (His Tag)Human Oncostatin M / OSM Protein (His Tag)Human GM-CSF / CSF2 Protein (His Tag)Rat IL-6R / CD126 Protein (ECD, His Tag)Human G-CSF / CSF3 Protein (isoform b)Mouse IL6ST / gp130 / CD130 Protein (His & Fc Tag)Mouse Oncostatin M / OSM Protein (His Tag)Mouse IL6 / Interleukin-6 ProteinRat IL6 / Interleukin-6 ProteinRat LIFR Protein (His Tag)Rhesus IL6 / Interleukin-6 ProteinHuman IL11 / Interleukin 11 / IL-11 ProteinHuman LIF Protein (His Tag)Human LIF Protein (Fc Tag)Mouse GM-CSF / CSF2 Protein (Fc Tag)Mouse GM-CSF / CSF2 Protein (His Tag)Rhesus IL6ST / gp130 Protein (Fc Tag)Rat GM-CSF / CSF2 Protein (His Tag)Rhesus IL6ST / gp130 Protein (His Tag)Human IL6ST / gp130 / CD130 ProteinHuman GM-CSF / CSF2 ProteinHuman GM-CSF / CSF2 ProteinCanine IL11RA / IL-11RA / IL11Rα ProteinRat GM-CSF / CSF2 Protein (Fc Tag)Mouse Oncostatin M / OSM ProteinCanine IL11RA / IL-11RA / IL11Rα Protein (His Tag)Human LIF ProteinHuman IL-31 / IL31 Protein (His Tag)Mouse GM-CSF / CSF2 ProteinMouse IL-11 / interleukin 11 ProteinSus scrofa (pig) IL6 / IL-6 ProteinRat IL-6R / CD126 Protein (Fc Tag, ECD)Mouse LIF ProteinHuman Interleukin-31 receptor A / IL31RA Protein (His Tag)
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    Catalog: 11841-H07E-100
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    • Human CNTF Protein (His Tag) SDS-PAGE
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    Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"