Cotton Rat CCL4/MIP-1 beta Antibody

Catalog #: AF1024
1 Citation Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
AF1024
AF1024-SP

Chemotaxis Induced by CCL4/MIP‑1 beta and Neutral-ization by Cotton Rat CCL4/ MIP‑1 beta Antibody.

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Cotton Rat CCL4/MIP-1 beta Antibody Summary

Species Reactivity

Cotton Rat

Specificity

Detects cotton rat CCL4/MIP‑1 beta in direct ELISAs and Western blots. In direct ELISAs, approximately 25% cross-reactivity with recombinant human MIP-1 beta is observed and less than 2% cross-reactivity with recombinant mouse MIP-1 beta is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant cotton rat CCL4/MIP-1 beta
Ala24-Asn92
Accession # AAL16933

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

Western Blot

0.1 µg/mL

Recombinant Cotton Rat CCL4/MIP‑1 beta (Catalog # 1024-MB)

Neutralization

Measured by its ability to neutralize CCL4/MIP‑1 beta -induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with mouse CCR5. The Neutralization Dose (ND₅₀) is typically 0.15-0.6 µg/mL in the presence of 10 ng/mL Recombinant Cotton Rat CCL4/MIP‑1 beta.

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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Chemotaxis Induced by CCL4/MIP‑1 beta and Neutral-ization by Cotton Rat CCL4/ MIP‑1 beta Antibody. Recombinant Cotton Rat CCL4/MIP-1 beta (Catalog # 1024-MB) chemo-attracts the BaF3 mouse pro-B cell line transfected with mouse CCR5 in a dose-dependent manner (orange line). The amount of cells that migrated through to the lower chemotaxis chamber was measured by Resazurin (Catalog # AR002). Chemotaxis elicited by Recombinant Cotton Rat CCL4/MIP-1 beta (10 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Cotton Rat CCL4/ MIP-1 beta Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1024). The ND₅₀ is typically 0.15-0.6 µg/mL.

Reconstitution Calculator

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: CCL4/MIP-1 beta

CCL4, also known as macrophage inflammatory protein 1 beta (MIP-1 beta ), is a 12 kDa beta chemokine that is secreted at sites of inflammation by activated leukocytes, lymphocytes, vascular endothelial cells, and pulmonary smooth muscle cells (1, 2). CCL4 attracts a variety of immune cells to sites of microbial infection as well as to other pathologic inflammation such as allergic asthma and ischemic myocardium (3 - 8). A CCL4 deficiency in mice promotes the development of autoantibodies, possibly as a result of compromised regulatory T cell recruitment (6). CCL4 is secreted from activated monocytes as a heterodimer with CCL3/MIP-1 alpha (9). The first two N-terminal amino acids (aa) can be cleaved from human CCL4 by CD26/DPPIV (10, 11). Both the full length and truncated forms exert biological activity through CCR5, and the truncated form additionally interacts with CCR1 and CCR2 (10). In humans, the ability of CCL4 to bind CCR5 inhibits the cellular entry of M-tropic HIV-1 which utilizes CCR5 as a coreceptor (2). Both forms of CCL4 block HIV-1 infection of T cells by inducing the downregulation of CCR5 (10). Mature cotton rat CCL4 shares 75% - 83% aa sequence identity with human, mouse, and rat CCL4.

References

Rot, A. and U.H. von Andrian (2004) Annu. Rev. Immunol. 22:891.
Menten, P. et al. (2002) Cytokine Growth Factor Rev. 13:455.
Sun, X. et al. (2006) Infec. Immun. 74:5943.
Bisset, L.R. and P. Schmid-Grendelmeier (2005) Curr. Opin. Pulm. Med. 11:35.
Frangogiannis, N.G. (2004) Inflamm. Res. 53:585.
Bystry, R.S. et al. (2001) Nat. Immunol. 2:1126.
Oliveira, S.H.P. et al. (2002) J. Leukoc. Biol. 71:1019.
Schall, T.J. et al. (1993) J. Exp. Med. 177:1821.
Guan, E. et al. (2001) J. Biol. Chem. 276:12404.
Guan, E. et al. (2002) J. Biol. Chem. 277:32348.
Guan, E. et al. (2004) J. Cell. Biochem. 92:53.

Entrez Gene IDs

6351 (Human); 20303 (Mouse); 116637 (Rat); 448786 (Canine); 102117861 (Cynomolgus Monkey)

Alternate Names

ACT2; ACT-2; AT744.1; C-C motif chemokine 4; CCL4; chemokine (C-C motif) ligand 4; Exodus-3; G-26 T-lymphocyte-secreted protein; G-26; HC21; LAG1; LAG-1; Lymphocyte activation gene 1 protein; Macrophage inflammatory protein 1-beta; MIP1 beta; MIP-1 beta; MIP1B; MIP1B1; MIP-1-beta; MIP-1-beta(1-69); PAT 744; Protein H400; SCYA2; SCYA4; secreted protein G-26; SIS-gamma; small inducible cytokine A4 (homologous to mouse Mip-1b); Small-inducible cytokine A4; T-cell activation protein 2

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Citation for Cotton Rat CCL4/MIP-1 beta Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

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