Feline IL-5 Antibody

Catalog #: MAB1795 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB1795
MAB1795-SP

Cell Proliferation Induced by IL‑5 and Neutralization by Feline IL‑5 Antibody.

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Feline IL-5 Antibody Summary

Species Reactivity

Feline

Specificity

Detects feline IL-5 in ELISAs. In sandwich immunoassays, no cross-reactivity with recombinant feline GM-CSF, recombinant equine, canine, mouse, human, or porcine IL-5 is observed.

Source

Monoclonal Mouse IgG_2A Clone # 604312

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

Mouse myeloma cell line NS0-derived recombinant feline IL-5
Ile20-Ser134
Accession # O77515

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or 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

Feline IL-5 Sandwich Immunoassay

Recommended Concentration

Reagent

ELISA Capture (Matched Antibody Pair)

2-8 µg/mL

Use in combination with:

Detection Reagent: Feline IL‑5 Biotinylated Antibody (Catalog # BAM17951)

Standard: Recombinant Feline IL-5 Protein (Catalog # 1795-FL)

Neutralization

Measured by its ability to neutralize IL‑5-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 0.1-0.5 µg/mL in the presence of 30 ng/mL Recombinant Feline IL‑5.

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.

Scientific Data

Neutralization

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Cell Proliferation Induced by IL‑5 and Neutralization by Feline IL‑5 Antibody. Recombinant Feline IL-5 (Catalog # 1795-FL) stimulates proliferation in the TF-1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Feline IL-5 (30 ng/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Feline IL-5 Monoclonal Antibody (Catalog # MAB1795). The ND₅₀ is typically 0.1-0.5 µg/mL.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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: IL-5

Interleukin-5 (IL-5) is a 40 kDa secreted, heparin-binding, disulfide-linked homodimeric glycoprotein that belongs to the alpha -helical group of cytokines. It promotes the proliferation, differentiation and activation of eosinophils. The 115 amino acid (aa) mature feline IL-5 shares 70% and 59% aa sequence identity with human and mouse IL-5, respectively. The IL-5 receptor is a complex of an IL-5-specific ligand-binding alpha subunit with a signal transducing common beta subunit ( beta c) that is shared with receptor complexes for IL-3 and GM-CSF.

Long Name

Interleukin 5

Entrez Gene IDs

3567 (Human); 16191 (Mouse); 24497 (Rat); 397409 (Porcine); 280825 (Bovine); 403790 (Canine); 493803 (Feline)

Alternate Names

BCDF mu; B-cell differentiation factor I; BCGFII; EDF; Eo-CSF; Eosinophil differentiation factor; IL5; IL-5; IL-5T-cell replacing factor; interleukin 5 (colony-stimulating factor, eosinophil); interleukin-5; TRF; TRFB cell differentiation factor I