Porcine GM-CSF Antibody

Catalog #: AF711 Datasheet

Catalog #	Availability	Size / Price	Qty
AF711
AF711-SP

Cell Proliferation Induced by GM‑CSF and Neutralization by Porcine GM‑CSF Antibody.

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Porcine GM-CSF Antibody Summary

Species Reactivity

Porcine

Specificity

Detects porcine GM‑CSF in direct ELISAs and Western blots. In direct ELISAs, approximately 25% cross‑reactivity with recombinant rat GM‑CSF is observed, 15% cross-reactivity with recombinant human GM‑CSF is observed, and 5% cross-reactivity with recombinant mouse GM‑CSF is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant porcine GM-CSF
Ala18-Lys144
Accession # Q29118

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.

Applications

Recommended Concentration

Sample

Western Blot

0.1 µg/mL

Recombinant Porcine GM-CSF (Catalog # 711-PG)

Neutralization

Measured by its ability to neutralize GM‑CSF-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 0.2-1.0 µg/mL in the presence of 10 ng/mL Recombinant Porcine GM‑CSF.

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 GM‑CSF and Neutralization by Porcine GM‑CSF Antibody. Recombinant Porcine GM-CSF (Catalog # 711-PG) stimulates proliferation in the TF-1 human erythroleukemic cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Porcine GM-CSF (10 ng/mL) is neutralized (green line) by increasing concen-trations of Goat Anti-Porcine GM-CSF Antigen Affinity-purified Polyclonal Antibody (Catalog # AF711). The ND₅₀ is typically 0.2-1.0 µg/mL.

Preparation and Storage

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

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: GM-CSF

GM-CSF was initially characterized as a factor that can support the in vitro colony formation of granulocyte-macrophage progenitors. It is also a growth factor for erythroid, megakaryocyte, and eosinophil progenitors. GM-CSF is produced by a number of different cell types (including T cells, B cells, macrophages, mast cells, endothelial cells, fibroblasts, and adipocytes) in response to cytokine or inflammatory stimuli. On mature hematopoietic cells, GM-CSF is a survival factor for and activates the effector functions of granulocytes, monocytes/macrophages, and eosinophils (1, 2). GM-CSF promotes a Th1 biased immune response, angiogenesis, allergic inflammation, and the development of autoimmunity (3‑5). It shows clinical effectiveness in ameliorating chemotherapy-induced neutropenia, and GM-CSF transfected tumor cells are utilized as cancer vaccines (6, 7). The 22 kDa glycosylated GM-CSF, similar to IL-3 and IL-5, is a cytokine with a core of four bundled alpha ‑helices (8‑10). Mature porcine GM-CSF shares 61%‑72% amino acid sequence identity with canine, feline, human, and rat GM-CSF and 53% with mouse GM-CSF. GM‑CSF exerts its biological effects through a heterodimeric receptor complex composed of GM-CSF R alpha /CD116 and the signal transducing common beta chain (CD131) which is also a component of the high-affinity receptors for IL-3 and IL-5 (11, 12). In addition, GM-CSF binds a naturally occurring soluble form of GM-CSF R alpha (13). The activity of GM-CSF is species specific between human and mouse (14).

Long Name

Granulocyte Macrophage Growth Factor

Entrez Gene IDs

1437 (Human); 12981 (Mouse); 116630 (Rat); 397208 (Porcine); 403923 (Canine); 493805 (Feline)

Alternate Names

colony stimulating factor 2 (granulocyte-macrophage); Colony-stimulating factor; CSF; CSF2; CSF-2; GMCSF; GM-CSF; GMCSFgranulocyte-macrophage colony-stimulating factor; granulocyte-macrophage colony stimulating factor; MGC131935; MGC138897; Molgramostim; molgramostin; Sargramostim