• Species Reactivity

  Rat

• Specificity

  Detects rat CCL20/MIP-3 alpha in direct ELISAs and Western blots. In these formats, approximately 50% cross-reactivity with recombinant human CCL20/MIP-3 alpha is observed.

• Source

  Polyclonal Goat IgG

• Purification

  Antigen Affinity-purified

• Immunogen

  E. coli-derived recombinant rat CCL20/MIP-3 alpha (R&D Systems, Catalog # 540-RM)    
  Ala26-Met96    
  Accession # P97884

• 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.

• 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 Rat CCL20/MIP‑3 alpha (Catalog # )

• 
  

• Neutralization

  Measured by its ability to neutralize CCL20/MIP‑3 alpha -induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human CCR6. The Neutralization Dose (ND    ₅₀) is typically 30-75 µg/mL in the presence of 5 µg/mL Recombinant Rat CCL20/MIP‑3 alpha.

Please Note: Optimal dilutions should be determined by each laboratory for each application.  are available in the Technical Information section on our website.

Data Examples

Preparation and Storage

• Reconstitution

  Reconstitute at 0.2 mg/mL in sterile PBS.

• 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: CCL20/MIP-3 alpha

CCL20, also known as MIP-3 alpha, LARC (Liver and Activation-regulated Chemokine) and as Exodus, is one of many novel beta chemokines identified through bioinformatics. Rat CCL20 cDNA encodes a 96 amino acid (aa) precursor protein with a 25 aa putative signal peptide that is predicted to be cleaved to form the 71 aa mature secreted protein. CCL20 is distantly related to other beta chemokines (20-28% aa sequence identity). Rat MIP-3 alpha shares approximately 70 and 61% aa sequence homology with mouse and human CCL20, respectively.

CCL20 has been shown to be expressed predominantly in lymph nodes, appendix, PBL, fetal liver, fetal lung, and epithelial cells of intestinal tissues. The expression of CCL20 is strongly up-regulated by inflammatory signals and down-regulated by the anti-inflammatory cytokine IL-10. Synthetic or recombinant CCL20 has been shown to be chemotactic for lymphocytes and dendritic cells, and inhibits proliferation of myeloid progenitors in colony formation assays. CCL20 has now been shown to be a unique functional ligand for CCR-6 (previously referred to as GPR-CY4, CKR-L3, or STRL22 orphan receptor), a chemokine receptor that is selectively and highly expressed in human dendritic cells derived from CD34⁺ cord blood precursors.

• Entrez Gene IDs:

  6364 (Human); 20297 (Mouse); 29538 (Rat)

• Alternate Names:

  beta chemokine exodus-1; Beta-chemokine exodus-1; CC chemokine LARC; C-C motif chemokine 20; CCL20; chemokine (C-C motif) ligand 20; CKb4; exodus-1; LARC; LARCLiver and activation-regulated chemokine; MIP3 alpha; MIP-3 alpha; MIP-3a; MIP-3-alpha; MIP3AMacrophage inflammatory protein 3 alpha; SCYA20Small-inducible cytokine A20; small inducible cytokine subfamily A (Cys-Cys), member 20; ST38