GPR4 Antibody, FITC conjugated

Code CSB-PA009813LC01HU
Size US$166
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Product Details

Full Product Name
Rabbit anti-Homo sapiens (Human) GPR4 Polyclonal antibody
Uniprot No.
Target Names
Alternative Names
GPR4; G-protein coupled receptor 4; G-protein coupled receptor 6C.l; GPR6C.l
Raised in
Species Reactivity
Recombinant Human G-protein coupled receptor 4 protein (285-362AA)
Immunogen Species
Homo sapiens (Human)
Purification Method
>95%, Protein G purified
It differs from different batches. Please contact us to confirm it.
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

Proton-sensing G-protein coupled receptor couples to multiple intracellular signaling pathways, including GNAS/cAMP, GNAQ/phospholipase C (PLC), and GNA12/GNA13/Rho pathways. Acidosis-induced GPR4 activation increases paracellular gap formation and permeability of vascular endothelial cells through the GNA12/GNA13/Rho GTPase signaling pathway. In the brain may mediate central respiratory sensitivity to CO(2)H(+).
Gene References into Functions
  1. Proton-sensing GPR4 signaling mediated the proton-induced inhibitory effects on the osteogenesis of BMSCs. YAP was the downstream effector of GPR4 signaling. Extracellular pH modulates the osteogenic responses of BMSCs by regulating the proton-sensing GPR4-YAP pathway. PMID: 27256071
  2. These results suggest that zOGR1, but not GPR4, is also a metal-sensing G-protein-coupled receptor in addition to a proton-sensing G-protein-coupled receptor, although not all metals that activate hOGR1 activated zOGR1. PMID: 28270026
  3. GPR4 blockade attenuated renal injury after IR and reduced the cell apoptosis through the suppression of CHOP expression. PMID: 29089376
  4. acidosis/GPR4-induced endoplasmic reticulum stress pathways in endothelial cells may regulate vascular growth and inflammatory response in the acidic microenvironment. PMID: 28134810
  5. it was demonstrated that GPR4 affects ECs by regulating Notch1, a function that may be important for physiological and pathological angiogenesis. PMID: 27279286
  6. GPR4 induces angiogenesis via GPR4-induced p38-mediated IL6, IL8 and VEGFA secretion at acidic extracellular pH in squamous cell carcinoma of the head and neck PMID: 27078157
  7. The results suggested that GPR4 may play an important role in the development of epithelial ovarian carcinoma (EOC), and its overexpression might be required for the angiogenesis, tumor growth, and metastasis of EOC PMID: 23888957
  8. acidosis/GPR4 signaling regulates endothelial cell adhesion mainly through the G(s)/cAMP/Epac pathway PMID: 22110680
  9. The mutation of histidine residue at 79, 165, or 269 from the N-terminal of GPR4 to phenylalanine shifted the half-maximal effective concentration (EC(50)) of proton-induced signaling activities to the right, including cAMP accumulation. PMID: 20211729
  10. Endogenous GPR4 in endothelial cells may be a potential G protein-coupled receptor by which LPC signals proinflammatory activities. PMID: 12805023
  11. GPR4, a close relative of OGR1, also responds to pH changes, but elicits cyclic AMP formation PMID: 12955148
  12. sphingosylphosphorylcholine and lysophosphatidic acid are not the ligands for GPR4 and that this receptor may constitutively inhibit ERK1/2 activation PMID: 14567679
  13. GPR4 and TDAG8 overexpression in human tumors plays a role in driving or maintaining tumor formation PMID: 15221007
  14. results identify sphingosylphosphorylcholine and its receptor, G protein-coupled receptor 4(GPR4), as critical regulators of the angiogenic potential of endothelial cells PMID: 15857892
  15. GPR4 may play a critical role in the inflammatory responses activated by lysophosphatidylcholine PMID: 16461426
  16. GPR4 in brain endothelial cells regulates monocyte transmigration. PMID: 17364894
  17. lysophosphatidylcholine receptor G protein-coupled receptor 4 (GPK4) was expressed in YPEN-1 cells and triggered the cAMP/protein kinase A/cAMP response element-binding protein pathway, resulting in upregulation of adhesion molecules. PMID: 17437524
  18. Previously postulated "ligand-independent" signaling of GPR4 is mediated through proton-sensing mechanisms. PMID: 17462861

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Subcellular Location
Cell membrane; Multi-pass membrane protein.
Protein Families
G-protein coupled receptor 1 family
Database Links

HGNC: 4497

OMIM: 600551

KEGG: hsa:2828

STRING: 9606.ENSP00000319744

UniGene: Hs.17170

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