Recombinant Human CCL18/PARC Protein, CF

Formulations:
Catalog # Availability Size / Price Qty
394-PA-010/CF
394-PA-050/CF
Product Details
Citations (8)
FAQs
Reviews

Recombinant Human CCL18/PARC Protein, CF Summary

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to inhibit Eotaxin-induced chemotaxis of BaF3 mouse pro‑B cells transfected with human CCR3. Nibbs, RJB. et al. (2000) J. Immunol. 164:1488. The ED50 for this effect is 1-5 µg/mL.
Source
E. coli-derived human CCL18/PARC protein
Ala21-Ala89
Accession #
N-terminal Sequence
Analysis
Ala21
Predicted Molecular Mass
7.8 kDa

Product Datasheets

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

394-PA/CF

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile with Trehalose.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:
  • 12 months from date of receipt, ≤ -20 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, ≤ -20 °C under sterile conditions after reconstitution.

394-PA

Formulation Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:
  • 12 months from date of receipt, ≤ -20 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, ≤ -20 °C under sterile conditions after reconstitution.
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.

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Background: CCL18/PARC

CCL18, also known as alternative macrophage activation-associated CC chemokine (AMAC)-1, macrophage inflammatory protein (MIP)-4, and dendritic cell chemokine (DC-CK1), is a novel CC chemokine that is highly homologous to MIP-1 alpha (61% amino acid (aa) sequence identity). CCL18 cDNA encodes an 89 aa residue precursor protein with a 20 aa putative signal peptide that is cleaved to generate a 69 aa residue mature protein which lacks potential glycosylation sites. In vitro, CCL18 mRNA expression is induced in alternatively activated macrophages by Th2 cytokines such as IL-4, IL-10 and IL-13, and inhibited by IFN‑ gamma. CCL18 mRNA is also expressed by GM‑CSF/IL‑4‑induced monocyte-derived dendritic cells. In vivo, CCL18 is highly expressed in lung and placenta but is not expressed in epidermal Langerhans cells. Recombinant CCL18 has been shown to chemoattract naive T cells, but not monocytes or neutrophils.

References
  1. Adema, G. et al. (1997) Nature 387:713.
  2. Kodelja, V. et al. (1998) J. Immunol. 160:141.
Entrez Gene IDs
6362 (Human)
Alternate Names
Alternative macrophage activation-associated CC chemokine 1; AMAC-1; AMAC1CC chemokine ligand 18; AMAC-1Small-inducible cytokine A18; CCL18; chemokine (C-C motif) ligand 18 (pulmonary and activation-regulated); CKb7; DC-CK1; DC-CK1CC chemokine PARC; DCCK1Macrophage inflammatory protein 4; Dendritic cell chemokine 1; MIP4; MIP-4; MIP-4C-C motif chemokine 18; PARC; PARCPulmonary and activation-regulated chemokine; SCYA18chemokine (C-C), dendritic; small inducible cytokine A18; small inducible cytokine subfamily A (Cys-Cys), member 18, pulmonary andactivation-regulated

Citations for Recombinant Human CCL18/PARC Protein, CF

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.

8 Citations: Showing 1 - 8
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  1. CCR8(+)FOXp3(+) Treg cells as master drivers of immune regulation
    Authors: Y Barsheshet, G Wildbaum, E Levy, A Vitenshtei, C Akinseye, J Griggs, SA Lira, N Karin
    Proc. Natl. Acad. Sci. U.S.A., 2017;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Widespread potential for growth-factor-driven resistance to anticancer kinase inhibitors.
    Authors: Wilson TR, Fridlyand J, Yan Y, Penuel E, Burton L, Chan E, Peng J, Lin E, Wang Y, Sosman J, Ribas A, Li J, Moffat J, Sutherlin DP, Koeppen H, Merchant M, Neve R, Settleman J
    Nature, 2012;487(7408):505-9.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Osseous manifestations of adult Gaucher disease in the era of enzyme replacement therapy.
    Authors: Deegan PB, Pavlova E, Tindall J
    Medicine (Baltimore), 2011;90(1):52-60.
    Species: N/A
    Sample Types: N/A
    Applications: ELISA (Standard)
  4. Potential biomarkers of osteonecrosis in Gaucher disease.
    Authors: Pavlova EV, Deegan PB, Tindall J, McFarlane I, Mehta A, Hughes D, Wraith JE, Cox TM
    Blood Cells Mol. Dis., 2011;46(1):27-33.
    Species: N/A
    Sample Types: N/A
    Applications: ELISA (Standard)
  5. CCL19 is a specific ligand of the constitutively recycling atypical human chemokine receptor CRAM-B.
    Authors: Leick M, Catusse J, Follo M, Nibbs RJ, Hartmann TN, Veelken H, Burger M
    Immunology, 2010;129(4):536-46.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  6. Novel antiviral activity of chemokines.
    Authors: Nakayama T, Shirane J, Hieshima K, Shibano M, Watanabe M, Jin Z, Nagakubo D, Saito T, Shimomura Y, Yoshie O
    Virology, 2006;350(2):484-92.
    Species: Virus
    Sample Types: Virus
    Applications: Binding Assay
  7. CCL18 is expressed in atopic dermatitis and mediates skin homing of human memory T cells.
    Authors: Gunther C, Bello-Fernandez C, Kopp T, Kund J, Carballido-Perrig N, Hinteregger S, Fassl S, Schwarzler C, Lametschwandtner G, Stingl G, Biedermann T, Carballido JM
    J. Immunol., 2005;174(3):1723-8.
    Species: Mouse
    Sample Types: In Vivo
    Applications: In Vivo
  8. Identification of full, partial and inverse CC chemokine receptor 3 agonists using [35S]GTPgammaS binding.
    Authors: Wan Y, Jakway JP, Qiu H, Shah H, Garlisi CG, Tian F, Ting P, Hesk D, Egan RW, Billah MM, Umland SP
    Eur. J. Pharmacol., 2002;456(1):1-10.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay

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