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Human CCL20/MIP-3 alpha/MIP3A transcript variant 2 Gene ORF cDNA clone expression plasmid, C-Flag tag

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Human CCL20 cDNA Clone Product Information
NCBI RefSeq:NM_001130046.1
RefSeq ORF Size:288bp
cDNA Description:Full length Clone DNA of Homo sapiens chemokine (C-C motif) ligand 20, transcript variant 2 with C terminal Flag tag.
Gene Synonym:CKb4, LARC, ST38, MIP3A, MIP-3a, SCYA20, CCL20
Restriction Site:KpnI + XbaI (6kb + 0.34kb)
Sequence Description:Identical with the Gene Bank Ref. ID sequence.
Promoter:Enhanced CMV mammalian cell promoter
Application:Stable or Transient mammalian expression
Antibiotic in E.coli:Kanamycin
Antibiotic in mammalian cell:Hygromycin
Shipping_carrier:Each tube contains lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at room temperature for three months.
Human CCL20 Gene Plasmid Map
Human CCL20 transcript variant 2 Gene cDNA Clone (full-length ORF Clone), expression ready, C-FLAG-tagged
Human CCL20 Gene Expression validated Image
Human CCL20 transcript variant 2 ORF mammalian expression plasmid, C-Flag tag
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The plasmid was transfected into 293H adherent cells with Sinofection reagent (Cat# STF01). After 48 h, Immunofluorescence staining of cells. Cells were fixed with 4% PFA, permeabilzed with 0.3% Triton X-100 in PBS, blocked with 10% serum, and incubated with Mouse anti-Flag Tag monoclonal antibody (CST#8146S) at 37℃ 1 hour. Then cells were stained with Goat Anti-mouse IgG secondary antibody. The fluorescent signal is detected by fluorescence microscope. Each expression experiment has negative control.
FLAG Tag Info

FLAG-tag, or FLAG octapeptide, is a polypeptide protein tag that can be added to a protein using recombinant DNA technology. It can be used for affinity chromatography, then used to separate recombinant, overexpressed protein from wild-type protein expressed by the host organism. It can also be used in the isolation of protein complexes with multiple subunits.

A FLAG-tag can be used in many different assays that require recognition by an antibody. If there is no antibody against the studied protein, adding a FLAG-tag to this protein allows one to follow the protein with an antibody against the FLAG sequence. Examples are cellular localization studies by immunofluorescence or detection by SDS PAGE protein electrophoresis.

The peptide sequence of the FLAG-tag from the N-terminus to the C-terminus is: DYKDDDDK (1012 Da). It can be used in conjunction with other affinity tags, for example a polyhistidine tag (His-tag), HA-tag or Myc-tag. It can be fused to the C-terminus or the N-terminus of a protein. Some commercially available antibodies (e.g., M1/4E11) recognize the epitope only when it is present at the N-terminus. However, other available antibodies (e.g., M2) are position-insensitive.

Human CCL20/MIP-3 alpha/MIP3A transcript variant 2 Gene ORF cDNA clone expression plasmid, C-Flag tag on other vectors
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Chemokine (C-C motif) ligand 20 (CCL20) or liver activation regulated chemokine (LARC) or Macrophage Inflammatory Protein-3 (MIP3A) is a small cytokine belonging to the CC chemokine family that attracts immature dendritic cells and memory T lymphocytes, both expressing CCR6. Depending on the cell type, this chemokine was found to be inducible by cytokines (IL-1beta) and by bacterial, viral, or plant products (including LPS, dsRNA, and PMA). MIP3A / CCL20 is Expressed predominantly in the liver, lymph nodes, appendix, peripheral blood lymphocytes, and fetal lung. Low levels of MIP3A / CCL20 has been seen in thymus, prostate, testis, small intestine and colon. As a chemotactic factor, MIP3A / CCL20 attracts lymphocytes and, slightly, neutrophils, but not monocytes. This chemokine may Inhibit proliferation of myeloid progenitors in colony formation assays and it may be involved in formation and function of the mucosal lymphoid tissues by attracting lymphocytes and dendritic cells towards epithelial cells. Its C-terminal processed forms have been shown to be equally chemotactically active for leukocytes. Chemokine CCL20 was shown to play a role in colorectal cancer (CRC) pathogenesis.

  • Vicinus B, et al. (2012) miR-21 functionally interacts with the 3'UTR of chemokine CCL20 and down-regulates CCL20 expression in miR-21 transfected colorectal cancer cells. Cancer Lett. 316(1): 105-12.
  • Ding X, et al. (2012) High Expression of CCL20 Is Associated with Poor Prognosis in Patients with Hepatocellular Carcinoma after Curative Resection. J Gastrointest Surg. 16(4): 828-36.
  • Ivison SM, et al. (2010) Oxidative stress enhances IL-8 and inhibits CCL20 production from intestinal epithelial cells in response to bacterial flagellin. Am J Physiol Gastrointest Liver Physiol. 299(3): 733-41.
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    • Human CCL20 transcript variant 2 Gene cDNA Clone (full-length ORF Clone), expression ready, C-FLAG-tagged
    • Human CCL20 transcript variant 2 ORF mammalian expression plasmid, C-Flag tag
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