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LPAR6
Identifiers
Aliases	LPAR6, ARWH1, HYPT8, LAH3, P2RY5, P2Y5, lysophosphatidic acid receptor 6, LPA-6
External IDs	OMIM: 609239; MGI: 1914418; HomoloGene: 55925; GeneCards: LPAR6; OMA:LPAR6 - orthologs
Gene location (Human) Chr. Chromosome 13 (human) Band 13q14.2 Start 48,389,567 bp End 48,444,704 bp
Gene location (Mouse) Chr. Chromosome 14 (mouse) Band 14|14 D3 Start 73,475,335 bp End 73,480,734 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in gingival epithelium monocyte skin of hip minor salivary glands oral cavity vagina granulocyte olfactory zone of nasal mucosa Achilles tendon gallbladder Top expressed in hand hair follicle brown adipose tissue medullary collecting duct mammary gland otolith organ utricle skin of abdomen mandibular prominence maxillary prominence More reference expression data BioGPS More reference expression data
Gene ontology Molecular function G protein-coupled receptor activity signal transducer activity lysophosphatidic acid receptor activity Cellular component integral component of membrane plasma membrane membrane integral component of plasma membrane intracellular membrane-bounded organelle Biological process signal transduction positive regulation of Rho protein signal transduction positive regulation of cytosolic calcium ion concentration involved in phospholipase C-activating G protein-coupled signaling pathway G protein-coupled receptor signaling pathway blastocyst hatching Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 10161 67168 Ensembl ENSG00000139679 ENSMUSG00000033446 UniProt P43657 Q8BMC0 RefSeq (mRNA) NM_005767 NM_001162497 NM_001162498 NM_001377316 NM_001377317 NM_175116 RefSeq (protein) NP_001155969 NP_001155970 NP_005758 NP_001364245 NP_001364246 NP_780325 Location (UCSC) Chr 13: 48.39 – 48.44 Mb Chr 14: 73.48 – 73.48 Mb PubMed search
Wikidata
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Lysophosphatidic acid receptor 6, also known as LPA₆, P2RY5 and GPR87, is a protein that in humans is encoded by the LPAR6 gene. LPA₆ is a G protein-coupled receptor that binds the lipid signaling molecule lysophosphatidic acid (LPA).

The protein encoded by this gene belongs to the family of G-protein coupled receptors, that are preferentially activated by adenosine and uridine nucleotides. This gene aligns with an internal intron of the retinoblastoma susceptibility gene in the reverse orientation.

Role in hair growth/loss

In February 2008, researchers at the University of Bonn announced they have found the genetic basis of two distinct forms of inherited hair loss, opening a broad path to treatments for baldness. They found that mutations in the gene P2RY5 causes a rare, inherited form of hair loss called hypotrichosis simplex. It is the first receptor in humans known to play a role in hair growth. The fact that any receptor plays a specific role in hair growth was previously unknown to scientists, and with this new knowledge a focus on finding more of these genes may be able to lead to therapies for many different types of hair loss.

In 2013, it was found that mutations in LPAR6 give rise to the Cornish Rex cat breed, which has a form of ectodermal dysplasia characterised by short woolly hair which is susceptible to loss.

See also

• Lysophospholipid receptor
• P2Y receptor

References

1. ^ GRCh38: Ensembl release 89: ENSG00000139679 – Ensembl, May 2017
2. ^ GRCm38: Ensembl release 89: ENSMUSG00000033446 – Ensembl, May 2017
3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
5. Adrian K, Bernhard MK, Breitinger HG, Ogilvie A (June 2000). "Expression of purinergic receptors (ionotropic P2X1-7 and metabotropic P2Y1-11) during myeloid differentiation of HL60 cells". Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression. 1492 (1): 127–138. doi:10.1016/S0167-4781(00)00094-4. PMID 11004484.
6. Ralevic V, Burnstock G (September 1998). "Receptors for purines and pyrimidines". Pharmacological Reviews. 50 (3): 413–492. PMID 9755289.
7. Yanagida K, Masago K, Nakanishi H, Kihara Y, Hamano F, Tajima Y, et al. (June 2009). "Identification and characterization of a novel lysophosphatidic acid receptor, p2y5/LPA6". The Journal of Biological Chemistry. 284 (26): 17731–17741. doi:10.1074/jbc.M808506200. PMC 2719412. PMID 19386608.
8. ^ "Entrez Gene: P2RY5 purinergic receptor P2Y, G-protein coupled, 5".
9. ^ Pasternack SM, von Kügelgen I, Al Aboud K, Lee YA, Rüschendorf F, Voss K, et al. (March 2008). "G protein-coupled receptor P2Y5 and its ligand LPA are involved in maintenance of human hair growth". Nature Genetics. 40 (3): 329–334. doi:10.1038/ng.84. PMID 18297070. S2CID 20241237.
10. Choi JW, Herr DR, Noguchi K, Yung YC, Lee CW, Mutoh T, et al. (January 2010). "LPA receptors: subtypes and biological actions". Annual Review of Pharmacology and Toxicology. 50 (1): 157–186. doi:10.1146/annurev.pharmtox.010909.105753. PMID 20055701.
11. "Hypotrichosis simplex - About the Disease - Genetic and Rare Diseases Information Center". rarediseases.info.nih.gov. Retrieved 2023-05-06.
12. Gandolfi B, Alhaddad H, Affolter VK, Brockman J, Haggstrom J, Joslin SE, et al. (2013-06-27). "To the Root of the Curl: A Signature of a Recent Selective Sweep Identifies a Mutation That Defines the Cornish Rex Cat Breed". PLOS ONE. 8 (6): e67105. Bibcode:2013PLoSO...867105G. doi:10.1371/journal.pone.0067105. PMC 3694948. PMID 23826204.

Further reading

• Toguchida J, McGee TL, Paterson JC, Eagle JR, Tucker S, Yandell DW, et al. (September 1993). "Complete genomic sequence of the human retinoblastoma susceptibility gene". Genomics. 17 (3): 535–543. doi:10.1006/geno.1993.1368. PMID 7902321.
• Maruyama K, Sugano S (January 1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides". Gene. 138 (1–2): 171–174. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
• Herzog H, Darby K, Hort YJ, Shine J (September 1996). "Intron 17 of the human retinoblastoma susceptibility gene encodes an actively transcribed G protein-coupled receptor gene". Genome Research. 6 (9): 858–861. doi:10.1101/gr.6.9.858. PMID 8889552.
• Li Q, Schachter JB, Harden TK, Nicholas RA (July 1997). "The 6H1 orphan receptor, claimed to be the p2y5 receptor, does not mediate nucleotide-promoted second messenger responses". Biochemical and Biophysical Research Communications. 236 (2): 455–460. doi:10.1006/bbrc.1997.6984. PMID 9240460.
• Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, Suyama A, Sugano S (October 1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene. 200 (1–2): 149–156. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
• Ihara H, Hirukawa K, Goto S, Togari A (January 2005). "ATP-stimulated interleukin-6 synthesis through P2Y receptors on human osteoblasts". Biochemical and Biophysical Research Communications. 326 (2): 329–334. doi:10.1016/j.bbrc.2004.11.037. PMID 15582581.

External links

• LPAR6 human gene location in the UCSC Genome Browser.
• LPAR6 human gene details in the UCSC Genome Browser.

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

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