E. coli-derived recombinant human CCL3/MIP-1 alpha
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 CCL3/MIP‑1 alpha -induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human CCR5. The Neutralization Dose (ND50) is typically 3-10 µg/mL in the presence of 0.1 µg/mL Recombinant Human CCL3/MIP‑1 alpha isoform LD78a.
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.
Chemotaxis Induced by CCL3/MIP‑1 alpha and Neutralization by Human CCL3/MIP‑1 alpha Antibody. Recombinant Human CCL3/MIP‑1 alpha (Catalog # 270-LD) chemoattracts the BaF3 mouse pro‑B cell line transfected with human 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 Human CCL3/MIP‑1 alpha (0.1 µg/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human CCL3/MIP‑1 alpha Monoclonal Antibody (Catalog # MAB670). The ND50 is typically 3-10 µg/mL.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
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: CCL3/MIP-1 alpha
The macrophage inflammatory proteins -1 alpha and -1 beta were originally co-purified from medium conditioned by an LPS-stimulated murine macrophage cell line. Human MIP-1 alpha refers to the products of several independently cloned cDNAs, including LD78, pL78, pAT464, and GOS19. These cDNAs all code for the same human protein that is a homologue of the murine MIP-1 alpha. Mature MIP-1 alpha and MIP-1 beta in both human and mouse share approximately 70% homology at the amino acid level. The MIP‑1 proteins are members of the beta (C-C) subfamily of chemokines.
Both MIP-1 alpha and MIP-1 beta are monocyte chemoattractants in vitro. Additionally, the MIP-1 proteins have been reported to have chemoattractant and adhesive effects on lymphocytes, with MIP-1 alpha and MIP-1 beta preferentially attracting CD8+ and CD4+ T cells, respectively. MIP-1 alpha has also been shown to attract B cells as well as eosinophils. MIP-1 proteins have been reported to have multiple effects on hematopoietic precursor cells and MIP-1 alpha has been identified as a stem cell inhibitory factor that can inhibit the proliferation of hematopoietic stem cells in vitro as well as in vivo. The functional receptor for MIP-1 alpha has been identified as CCR1 and CCR5.
Menten, P. et al. (2002) Cytokine Growth Factor Rev. 13:455.
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A multiplex immunoassay for human adipokine profiling. Authors: Schipper HS, De Jager W, van Dijk ME, Meerding J, Zelissen PM, Adan RA, Prakken BJ, Kalkhoven E Clin. Chem., 2010;56(0):1320. Species: Human Sample Type: Cell Culture Supernates Application: Luminex Development
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