Human CNTF Antibody

Catalog # Availability Size / Price Qty
MAB657
MAB657-SP
Human CNTF Antibody in Data
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Human CNTF Antibody Summary

Species Reactivity
Human
Specificity
Detects human CNTF in ELISAs and Western blots.
Source
Monoclonal Mouse IgG2A Clone # 21809
Purification
Protein A or G purified from ascites
Immunogen
E. coli-derived recombinant human CTNF
Ala2-Met200
Accession # P26441.1
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
Recombinant Human CNTF (Catalog # 257-NT)

Human CNTF Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Capture (Matched Antibody Pair)
2-8 µg/mL 

Use in combination with:

Detection Reagent: Human CNTF Biotinylated Antibody (Catalog # BAF257)

Standard: Recombinant Human CNTF Protein (Catalog # 257-NT)

Neutralization
Measured by its ability to neutralize CNTF-induced proliferation in the TF‑1 human erythroleukemic cell line. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The Neutralization Dose (ND50) is typically 2-6 µg/mL in the presence of 400 ng/mL Recombinant Human CNTF.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Example

Neutralization Cell Proliferation Induced by CNTF and Neutralization by Human CNTF Antibody. View Larger

Cell Proliferation Induced by CNTF and Neutralization by Human CNTF Antibody. Recombinant Human CNTF (Catalog # 257-NT) stimulates proliferation in the TF‑1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human CNTF (400 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human CNTF Monoclonal Antibody (Catalog # MAB657). The ND50is typically 2-6 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CNTF

Ciliary neurotrophic factor (CNTF) is a polypeptide initially purified from chick embryo ocular tissue and identified as a trophic factor for embryonic chick ciliary parasympathetic neurons in culture. Subsequent studies have demonstrated that CNTF is a survival factor for additional neuronal cell types including: dorsal root ganglion sensory neurons, sympathetic ganglion neurons, embryonic motor neurons, major pelvic ganglion neurons and hippocampal neurons. CNTF has also been shown to prevent the degeneration of motor axons after axotomy. The cDNA for human CNTF encodes a 200 amino acid polypeptide that lacks a signal sequence. CNTF is highly conserved across species and exhibits cross-species activities. Human and rat CNTF share approximately 83% homology in their protein sequence. CNTF is structurally related to IL-6, IL-11, LIF and OSM. All of these four helix bundle cytokines share gp130 as a signal-transducing subunit in their receptor complexes.

Long Name
Ciliary Neurotrophic Factor
Entrez Gene IDs
1270 (Human); 25707 (Rat)
Alternate Names
ciliary neurotrophic factor; CNTF; HCNTF

Product Datasheets

FAQs

No product specific FAQs exist for this product, however you may

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Isotype Controls

Mouse IgG2A Isotype Control

Reconstitution Buffers

Secondary Antibodies

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