Human CXCL1/GRO alpha /KC/CINC-1 PE-conjugated Antibody
Human CXCL1/GRO alpha /KC/CINC-1 PE-conjugated Antibody Summary
Applications
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.
Scientific Data
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Detection of CXCL1/GRO alpha /KC/CINC‑1 in Human Blood Monocytes by Flow Cytometry. Activated human peripheral blood monocytes were stained with Mouse Anti-Human CXCL1/GROa/KC/CINC-1 PE-conjugated Monoclonal Antibody (Catalog # IC275P, filled histogram) or isotype control antibody (Catalog # IC0041P, open histogram). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.
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Preparation and Storage
- 12 months from date of receipt, 2 to 8 °C as supplied.
Background: CXCL1/GRO alpha/KC/CINC-1
The gene for CXCL1/GRO alpha was initially discovered in hamster cells, using subtractive hybridization techniques, as a message that is over-expressed in tumorigenic cells and in normal cells during growth stimulation. The hamster cDNA was cloned and used as a probe for the subsequent cloning of the human GRO cDNA. Independently, a cDNA encoding a secreted protein with melanoma growth stimulating activity (MGSA) was also cloned from a human melanoma cell line and found to be identical to GRO. Two additional GRO genes, GRO beta or MIP-2 alpha and GRO gamma or MIP‑2 beta have been identified, which share 90% and 86% amino acid sequence homology with GXCL1/GRO alpha, respectively. All three human GROs are members of the alpha (C-X-C) subfamily of chemokines.
The three GRO cDNAs encode 107 amino acid precursor proteins from which the N-terminal 34 amino acid residues are cleaved to generate the mature GROs. There are no potential N-linked glycosylation sites in the amino acid sequences. GRO expression is inducible by serum or PDGF and/or by a variety of inflammatory mediators, such as IL-1 and TNF, in monocytes, fibroblasts, melanocytes, and epithelial cells. In certain tumor cell lines, GRO is expressed constitutively.
Similar to other alpha chemokines, the three GRO proteins are potent neutrophil attractants and activators. In addition, these chemokines are also active toward basophils. All three GROs can bind with high affinity to the IL-8 receptor type B. It remains to be seen if a unique GRO receptor(s) also exist. The rat homolog of human CXCL1, CINC, is much more active than human CXCL1 on rat neutrophils, suggesting that this cytokine may have selective species specificity.
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