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>   home   >   Products   >   Primary Antibodies   >   Stem Cells   >   CXCR4 Antibody   

CXCR4 Antibody

Rabbit Polyclonal Antibody

     
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
WB, IHC, IP
Primary Accession P70658
Reactivity Human, Mouse, Rat
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 40426 Da
Additional Information
Gene ID 12767
Application & Usage Western blot analysis (0.5-4 µg/ml), immunoprecipitation, and immunocytochemistry. However, the optimal conditions should be determined individually. A 43 kDa band should be detected. HeLa cell lysate can be used as a positive control.
Other Names chemokine C-X-C motif receptor 4, chemokine receptor 4
Target/Specificity CXCR4
Antibody Form Liquid
Appearance Colorless liquid
Formulation 100 µg (0.5 mg/ml) affinity purified rabbit anti-CXCR4 polyclonal antibody in phosphate buffered saline (PBS), pH 7.2, containing 30% glycerol, 0.5% BSA, 0.01% thimerosal.
Handling The antibody solution should be gently mixed before use.
Reconstitution & Storage -20 °C
Background Descriptions
PrecautionsCXCR4 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name Cxcr4
Synonyms Cmkar4, Lestr, Sdf1r
Function Receptor for the C-X-C chemokine CXCL12/SDF-1 that transduces a signal by increasing intracellular calcium ion levels and enhancing MAPK1/MAPK3 activation (PubMed:8962122, PubMed:9295051, PubMed:9103415). Involved in the AKT signaling cascade (By similarity). Plays a role in regulation of cell migration, e.g. during wound healing. Acts as a receptor for extracellular ubiquitin; leading to enhanced intracellular calcium ions and reduced cellular cAMP levels. Binds bacterial lipopolysaccharide (LPS) et mediates LPS-induced inflammatory response, including TNF secretion by monocytes (By similarity). Involved in hematopoiesis and in cardiac ventricular septum formation (PubMed:9634237, PubMed:9634238, PubMed:9689100). Also plays an essential role in vascularization of the gastrointestinal tract, probably by regulating vascular branching and/or remodeling processes in endothelial cells (PubMed:9634237). Involved in cerebellar development. In the CNS, could mediate hippocampal-neuron survival (PubMed:9634238, PubMed:9689100).
Cellular Location Cell membrane; Multi-pass membrane protein {ECO:0000250|UniProtKB:P61073}. Cell junction. Early endosome. Late endosome. Lysosome. Note=In unstimulated cells, diffuse pattern on plasma membrane. On agonist stimulation, colocalizes with ITCH at the plasma membrane where it becomes ubiquitinated (By similarity). In the presence of antigen, distributes to the immunological synapse forming at the T-cell-APC contact area, where it localizes at the peripheral and distal supramolecular activation cluster (SMAC) (By similarity)
Tissue Location Lymphocytes, macrophages, neutrophils, microglial cells and astrocytes. Found in spleen, thymus, bone marrow, lymph nodes and, at lower levels in brain, small intestine, stomach and kidney CXCR4-A is predominant in all tissues tested. During embryonic development, high levels are detected in the endothelium of developing blood vessels and in many regions of the developing brain including the olfactory epithelium, olfactory bulb, hippocampus, cerebellum and spinal cord.
Research Areas
Citations (0)
citation

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Background

Human immunodeficiency virus (HIV) and related virus require coreceptors, in addition to CD4, to infect target cells. Some G protein-coupled receptors including CCR5, CXCR4, CCR3, CCR2b and CCR8 in the chemokine receptor family, and four new human molecules GPR15, STRL33, GPR1 and V28 were recently identified as HIV coreceptors. Among them, CXCR4 (fusin, LESTR or HUMSTR) is a principal coreceptor for T-cell tropic strains of HIV-1 fusion and entry of human white blood cells. CXCR4 is also required for the infection by dual-tropic strains of HIV-1 and mediates CD-4 independent infection by HIV-2. The α-chemokine SDF-1 is the ligand for CXCR4 and prevents infection by T-tropic HIV-1. CXCR4 associates with the surface CD4-gp120 complex before HIV enters target cells. CXCR4 messenger RNA levels correlated with HIV-1 permissiveness in diverse human cell types. Antibodies to CXCR4 block HIV-1 and HIV-2 fusion and infection of human target cells. The amino-terminal domain and the second extracellular loop of CXCR4 serve as HIV binding sites.

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Discontinued
Cat# ABV10990-30
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