Human CCL23/MPIF-1 Antibody

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Human CCL23/MPIF-1 Antibody in Data
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Human CCL23/MPIF-1 Antibody Summary

Species Reactivity
Detects human CCL23/MPIF‑1 in direct ELISAs and Western blots. In direct ELISAs, less than 10% cross-reactivity with recombinant human (rh) MIP-1δ, rhHCC-1, rhMIP-1 alpha and recombinant mouse MIP-1 gamma is observed.
Polyclonal Goat IgG
Antigen Affinity-purified
E. coli-derived recombinant human CCL23/MPIF-1
Accession # P55773
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.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human CCL23/MPIF‑1 (Catalog # 371-MP)
Measured by its ability to neutralize CCL23/MPIF‑1-induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human CCR1. The Neutralization Dose (ND50) is typically 0.5-2.5 µg/mL in the presence of 20 ng/mL Recombinant Human CCL23/MPIF‑1 aa 46‑120.

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.

Data Example

Neutralization Chemotaxis Induced by CCL23/MPIF‑1 and Neutralization by Human CCL23/MPIF‑1 Antibody. View Larger

Chemotaxis Induced by CCL23/MPIF‑1 and Neutralization by Human CCL23/MPIF‑1 Antibody. Recombinant Human CCL23/ MPIF-1 (Catalog # 131-M1) chemoattracts the BaF3 mouse pro-B cell line transfected with human CCR1 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 CCL23/ MPIF-1 (20 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human CCL23/MPIF-1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF371). The ND50is typically 0.5-2.5 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
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: CCL23/MPIF-1

Myeloid progenitor inhibitory factor (MPIF-1), also known as CK beta 8 and MIP-3, is a member of the CC chemokine subfamily that is designated CCL23. Alternative splicing of the MPIF-1 gene results in two mRNAs that encode a short (CK beta 8) and a long (CK beta 8-1) isoform of the chemokine. CK beta 8 cDNA encodes a 120 amino acid (aa) residue precursor protein with a putative 21 aa residue signal peptide that is cleaved to generate a 99 aa residue mature CK beta 8 (aa 22‑120). Additional N-terminal processing of the 99 aa residue variant can generate a 75 aa residue CK beta 8 (aa 46‑120) that is significantly more active than the 99 aa residue variant. Similarly, CK beta 8-1 encodes a 137 aa residue precursor protein that can give rise to a 116 and a 92 aa residue chemokine. Among CC chemokine members, MPIF-1 is most closely related to MIP-5/CCL15 (67% sequence identity) and MIP-1 alpha /CCL3 (51%). MPIF-1 mRNA is most abundant in the adult lung and liver, but is also present in bone marrow, placenta, and various myelomonocytic cell lines. MPIF-1 has been shown to suppress the low proliferative potential colony-forming cells that give rise to granulocyte and monocyte lineages. MPIF-1 binds to CCR1 with high affinity and has been shown to be a potent chemoattractant and activator of monocytes, dendritic cells, and osteoclast precursors.

  1. Patel, V. et al. (1997) J. Exp. Med. 185:1163.
  2. Youn, B-S. et al. (1998) Blood 91:3118.
  3. Nardelli, B. et al. (1999) J. Leukoc. Biol. 61:822.
  4. Berkhout, T.A. et al. (2000) Biochem. Pharmacol. 59:591.
Entrez Gene IDs
6368 (Human)
Alternate Names

Product Datasheets


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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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