Human CNTFR alpha Antibody

Catalog # Availability Size / Price Qty
MAB303
MAB303-SP
Human CNTFR alpha  Antibody in Data
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Human CNTFR alpha Antibody Summary

Species Reactivity
Human
Specificity
Detects human CNTF R alpha in direct ELISAs and Western blots. In Western blots, approximately 100% cross-reactivity with recombinant rat CNTF R alpha is observed.
Source
Monoclonal Mouse IgG2B Clone # 121723
Purification
Protein A or G purified from ascites
Immunogen
S. frugiperda insect ovarian cell line Sf 21-derived recombinant human CNTF R alpha
Gln23-Pro346 (predicted)
Accession # P26992
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
Recombinant Human CNTF R alpha (Catalog # 303-CR)
Immunohistochemistry
8-25 µg/mL
See below

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

Immunohistochemistry CNTF R alpha  in Human Brain. View Larger

CNTF R alpha in Human Brain. CNTF Ra was detected in immersion fixed paraffin-embedded sections of human brain (substantia nigra) using Mouse Anti-Human CNTF Ra Monoclonal Antibody (Catalog # MAB303) at 15 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to synaptic boutons. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.

Reconstitution Calculator

Reconstitution Calculator

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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: CNTFR alpha

The high-affinity CNTF receptor complex, which mediates the biological action of CNTF, contains three proteins: the ligand-binding alpha  subunit (CNTF R alpha ), and the two signal-transducing proteins LIF R beta and gp130. Whereas LIF R beta and gp130 are widely expressed in many cell types, the expression of CNTF R alpha is restricted to the central and peripheral nervous systems. cDNAs encoding human and rat CNTF R alpha share 94% amino acid (aa) sequence identity. Human CNTF R alpha cDNA encodes a 372 aa  precursor protein with a 22 aa residue signal peptide and four potential glycoslyation sites. CNTF R alpha differs from other cytokine receptors in that it lacks transmembrane and cytoplasmic domains and is anchored to cell membranes by a glycosylphosphatidylinositol (GPI) linkage. Similar to other GPI-linked proteins, soluble CNTF receptor alpha  (CNTF sR alpha ) can be released from the cell surface by phosphatidylinositol-specific phospholipase C. CNTF sR alpha can be released from skeletal muscle in response to peripheral nerve injury and high concentrations of CNTF sR alpha have also been detected in human cerebrospinal fluid. CNTF sR alpha binds CNTF in solution and the complex can act on cells that express only LIF R beta and gp130 but not CNTF R alpha.

Long Name
Ciliary Neurotrophic Factor Receptor alpha
Entrez Gene IDs
1271 (Human); 313173 (Rat)
Alternate Names
CNTF R alpha; CNTFR alpha; CNTFR; CNTFRa

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Cell and Tissue Staining Kits

Immunohistochemistry Reagents

Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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