Detects human CCL13/MCP-4 in direct ELISAs and Western blots. In direct ELISAs, less than 10% cross-reactivity with recombinant human (rh) MCP-1, rhMCP-2, rhMCP-3, recombinant mouse (rm) MCP-5, rhEotaxin, rhHCC-1, rhMIP‑1 beta, rmMARC, rh6Ckine, and rmJE is observed.
Polyclonal Goat IgG
E. coli-derived recombinant human CCL13/MCP-4 (R&D Systems, Catalog # 327-P4) Gln24-Thr98 Accession # Q99616
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.
<0.10 EU per 1 μg of the antibody by the LAL method.
Measured by its ability to neutralize CCL13/MCP‑4-induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human CCR2A. The Neutralization Dose (ND50) is typically 15-40 µg/mL in the presence of 2 µg/mL Recombinant Human CCL13/MCP‑4.
Please Note: Optimal dilutions should be determined by each laboratory for each application.
are available in the Technical Information section on our website.
Chemotaxis Induced by CCL13/MCP‑4 and Neutralization by Human CCL13/MCP‑4 Antibody.
Recombinant Human CCL13/MCP‑4 (Catalog # 327‑P4) chemoattracts the BaF3 mouse pro‑B cell line transfected with human CCR2A 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 Human CCL13/MCP‑4 (2 µg/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human CCL13/MCP‑4 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF327). The ND50 is typically 15‑40 µg/mL.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
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.
Human CCL13 is a CC chemokine recently cloned from a human fetal and a human heart cDNA library. Human CCL13 cDNA encodes a 98 amino acid residue precursor protein with a 23 amino acid residue hydrophobic signal peptide that is cleaved to yield an 8 kDa, 75 aa mature CCL13. Mature CCL13 lacks any potential N-glycosylation sites and shares a pyroglutamate proline motif with other human MCP proteins. Human CCL13 is most homologous to MCP-1, 3 and Eotaxin, exhibiting approximately 65-66% amino acid sequence identity. CCL13 mRNA is expressed by a number of activated cell types, including endothelial cells, macrophages, bronchial epithelium and type II alveolar cells, and perhaps lymphocytes. CCL13 is a chemoattractant for monocytes and eosinophils, and activates basophils. In addition, it has been reported to be chemotactic for CD4+ and CD8+ T cells, with an activity almost equivalent to that of MCP-3. The bioactivities of CCL13 is most likely mediated by the CC chemokine receptors CCR-2 and CCR-3, both of which have been shown to bind CCL13.
Entrez Gene IDs:
C-C motif chemokine 13; CCL13; chemokine (C-C motif) ligand 13; CKb10; MCP4; MCP-4; MCP-4Monocyte chemoattractant protein 4; MGC17134; NCC-1Monocyte chemotactic protein 4; NCC1Small-inducible cytokine A13; new CC chemokine 1; SCYA13CK-beta-10; SCYL1; small inducible cytokine subfamily A (Cys-Cys), member 13
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