Contents

P2Y₁₂

P2RY12
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 4NTJ, 4PXZ, 4PY0
Identifiers
Aliases	P2RY12, ADPG-R, BDPLT8, HORK3, P2T(AC), P2Y(12)R, P2Y(AC), P2Y(ADP), P2Y(cyc), P2Y12, SP1999, purinergic receptor P2Y12
External IDs	OMIM: 600515; MGI: 1918089; HomoloGene: 11260; GeneCards: P2RY12; OMA:P2RY12 - orthologs
Gene location (Human) Chr. Chromosome 3 (human)[1] Band 3q25.1 Start 151,336,843 bp[1] End 151,384,753 bp[1]
Gene location (Mouse) Chr. Chromosome 3 (mouse)[2] Band 3|3 D Start 59,123,693 bp[2] End 59,170,292 bp[2]
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in inferior ganglion of vagus nerve superior vestibular nucleus ventral tegmental area subthalamic nucleus Brodmann area 46 monocyte corpus callosum spinal ganglia spinal cord testicle Top expressed in globus pallidus blood lumbar subsegment of spinal cord superior frontal gyrus primary visual cortex dentate gyrus of hippocampal formation granule cell morula optic nerve olfactory tubercle Region I of hippocampus proper More reference expression data BioGPS n/a
Gene ontology Molecular function G protein-coupled adenosine receptor activity G protein-coupled receptor activity guanyl-nucleotide exchange factor activity G protein-coupled purinergic nucleotide receptor activity signal transducer activity G protein-coupled ADP receptor activity Cellular component integral component of membrane membrane plasma membrane integral component of plasma membrane cell surface basal plasma membrane mitochondrion caveola intrinsic component of membrane external side of plasma membrane Biological process hemostasis G protein-coupled adenosine receptor signaling pathway regulation of calcium ion transport adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway protein kinase B signaling adenylate cyclase-modulating G protein-coupled receptor signaling pathway negative regulation of cell differentiation substrate-dependent cell migration, cell extension cellular response to organic cyclic compound negative regulation of norepinephrine secretion G protein-coupled purinergic nucleotide receptor signaling pathway regulation of microglial cell migration cell projection organization calcium ion transmembrane transport positive regulation of ion transport potassium ion transmembrane transport cellular response to ATP platelet aggregation glial cell migration signal transduction blood coagulation platelet activation G protein-coupled receptor signaling pathway regulation of molecular function Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 64805 70839 Ensembl ENSG00000169313 ENSMUSG00000036353 UniProt Q9H244 Q9CPV9 RefSeq (mRNA) NM_176876 NM_022788 NM_027571 NM_001357007 NM_001357008 NM_001357010 RefSeq (protein) NP_073625 NP_795345 NP_081847 NP_001343936 NP_001343937 NP_001343939 Location (UCSC) Chr 3: 151.34 – 151.38 Mb Chr 3: 59.12 – 59.17 Mb PubMed search [3] [4]
Wikidata
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P2Y₁₂ is a chemoreceptor for adenosine diphosphate (ADP)^[5][6] that belongs to the G_i class of a group of G protein-coupled (GPCR) purinergic receptors.^[7] This P2Y receptor family has several receptor subtypes with different pharmacological selectivity, which overlaps in some cases, for various adenosine and uridine nucleotides. The P2Y₁₂ receptor is involved in platelet aggregation and is thus a biological target for the treatment of thromboembolisms and other clotting disorders. Two transcript variants encoding the same isoform have been identified for this gene.^[8]

In the field of purinergic signaling, the P2Y₁₂ protein on the periphery is found mainly but not exclusively on the surface of blood platelets, and is an important regulator in blood clotting.^[9] In the central nervous system, this receptor has been found expressed exclusively on microglia, where it is necessary for physiological and pathological microglial actions, such as monitoring neuronal functions and microglial neuroprotection.^[10]

The drugs clopidogrel (Plavix), prasugrel (Efient, Effient), ticagrelor (Brilinta), and cangrelor (Kengreal) bind to this receptor and are marketed as antiplatelet agents.^[5]

The combination of a P2Y₁₂ inhibitor and aspirin, called dual antiplatelet treatment, remains the first-line treatment for acute coronary syndrome. A 2019 randomized trial suggested that prasugrel is superior to ticagrelor.^[11]

In patients undergoing primary percutaneous coronary intervention (PCI) for an ST-segment elevation myocardial infarction (STEMI), US,^[12] European,^[13] and Canadian^[14] guidelines recommend that a P2Y₁₂ inhibitor should be administered as soon as possible, although it is unclear whether administration of these medications before the patient arrives at the hospital confers additional benefits compared with in-hospital administration.^[14]

On the other hand, P2Y₁₂ inhibitors do not change the risk of death when given as a pretreatment prior to routine PCI in people who have had a non-ST-elevation myocardial infarction (NSTEMI). Though, a P2Y₁₂ inhibitor in addition to aspirin should be administered for up to 12 months to most patients with non-ST-elevation acute coronary syndrome. They do however increase the risk of bleeding and decrease the risk of further cardiovascular problems. Thus their routine use in this context is of questionable value.^[15]

Anetwork meta-analysis of 37 studies involving 88,402 STEMI patients and 5,077 major adverse cardiac events (MACE) patients found that use of prasugrel was associated with lower mortality and MACE than other drugs in this class (clopidogrel and ticagrelor).^[16]

This article incorporates text from the United States National Library of Medicine, which is in the public domain.