“GPR113”的意思、由来-开放百科全书

The Homo sapiens GPR113 gene is located on chromosome 2 (2p23.3). This gene spans the length of a 38.65kb region from base 26531041 to 26569685 on the negative strand.^[3] The GPR113 gene has two neighbors on either side on the negative strand: [https://www.ncbi.nlm.nih.gov/gene/9381 OTOF otoferlin] preceding and [https://www.ncbi.nlm.nih.gov/gene/3030 HADHA hydroxyacyl-CoA] following. Directly opposite the GPR113 on the positive strand is the [https://www.ncbi.nlm.nih.gov/gene/85465 EPT1] gene.

Homology & Evolution

The GPR113 has 5 human paralogs [https://www.ncbi.nlm.nih.gov/gene/266977 GPR110], [https://www.ncbi.nlm.nih.gov/gene/221393 GPR115], [https://www.ncbi.nlm.nih.gov/gene/84873 GPR128], [https://www.ncbi.nlm.nih.gov/gene/222611 GPR111], and [https://www.ncbi.nlm.nih.gov/gene/221395 GPR116].^[4] GPR113 is well conserved in mammals from primates to semi-aquatic species, as well as some amphibians. These include the Common Chimpanzee, the African Bush Elephant, the Platypus, and the Western Clawed Frog.^[5] Homologous domains that are well conserved throughout orthologs center in the [https://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=209463 7 transmembrane receptor (Secretin family)] region highlighted in purple in the figure.^[6]

Protein

The protein product of GPR113 gene is a G-protein coupled receptor. The protein has three transcript variants in humans.^[7] Of these three, GPR113 Variant 1 has the longest amino acid sequence, and has the highest identity to orthologs. This leads to the conclusion that GPR113 Variant 1 is the homo sapiens descendent of the ancestral GPR113 gene. GPR113 Var 1 contains 1079 Amino Acids, and is integral to the plasma membrane.^[8] The 7-pass receptor contains 4 domains highlighted in the figure at right: Signal Peptide (Red), [https://www.ncbi.nlm.nih.gov/protein/223556012 Hormone Receptor Domain] (Blue), [https://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=201994 Latrophilin/CL-1-like GPS domain] (Orange), and the 7-transmembrane receptor (Purple). Between the Hormone Receptor Domain and the GPS is a Domain of unknown function that is not highlighted.

Function

GPR113 is a G protein-coupled receptor that is involved in a neuropeptide signaling pathway.^[8]

Expression & Disease

GPR113 has been found to be expressed differentially under diseased conditions. Under the condition of Type 2 diabetes, the percentile rank relative to other transcripts decreases relative to normal cell function.^[9] The deletion of TP63, which mediates a wide variety of important body processes, also produces decreased GPR113 expression.^[10] In mice brains, the cerebellum and the olfactory bulb both show transcription of the GPR113 gene.^[11] Additionally, a study from the National Institute of Deafness and Other Communication Disorders has identified GPR113 expression to be highly restricted to a subset of taste receptor cells.^[12] This paper's conclusions, coupled with olfactory bulb expression levels, could provide an avenue for future research, potentially illuminating more about GPR113's function.

Interacting Proteins

GPR113 has been shown to associate with the orphan G protein-coupled receptor GPR123.^[13]

Transcription Factors

Clinical significance

The clinical significance of this protein has not been established. However, the expression profiles provide exciting directions for future research of the GPR113 gene, especially in fields studying taste and smell.

References

1. ^{{cite journal |vauthors=Fredriksson R, Lagerstrom MC, Hoglund PJ, Schioth HB | title = Novel human G protein-coupled receptors with long N-terminals containing GPS domains and Ser/Thr-rich regions | journal = FEBS Lett | volume = 531 | issue = 3 | pages = 407–14 |date=November 2002 | pmid = 12435584 | doi =10.1016/S0014-5793(02)03574-3 }}
2. ^{{cite web | title = Entrez Gene: GPR113 G protein-coupled receptor 113| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=165082| accessdate = }}
3. ^{{Cite journal | url=https://www.ncbi.nlm.nih.gov/nuccore/NC_000002.11?report=fasta&from=26531041&to=26569685&strand=true | title=Homo sapiens chromosome 2, GRCh37.p13 Primary Assembly| date=2013-08-13}}
4. ^¹https://www.genecards.org/cgi-bin/carddisp.pl?gene=GPR113
5. ^{{Cite web | url=http://blast.ncbi.nlm.nih.gov/Blast.cgi | title=BLAST: Basic Local Alignment Search Tool}}
6. ^{{Cite web | url=http://workbench.sdsc.edu/ | title=SDSC Biology Workbench}}
7. ^{{Cite journal | url=https://www.ncbi.nlm.nih.gov/nuccore/223556013,223556011,148230774 | title=Homo sapiens adhesion G protein-coupled receptor F3 (ADGRF3), transcript variant 2, mRNA| date=2018-06-24}}
8. ^¹{{Cite web | url=https://www.uniprot.org/uniprot/Q8IZF5 | title=ADGRF3 - Adhesion G-protein coupled receptor F3 precursor - Homo sapiens (Human) - ADGRF3 gene & protein}}
9. ^{{Cite web | url=https://www.ncbi.nlm.nih.gov/geoprofiles/71224040 | title=71224040 - GEO Profiles - NCBI}}
10. ^{{Cite web | url=https://www.ncbi.nlm.nih.gov/geoprofiles/34655140 | title=34655140 - GEO Profiles - NCBI}}
11. ^{{Cite web | url=http://mouse.brain-map.org/gene/show/120325 | title=Gene Detail :: Allen Brain Atlas: Mouse Brain}}
12. ^{{Cite journal | pmid = 15780750| year = 2005| author1 = Lopezjimenez| first1 = N. D.| title = Two novel genes, Gpr113, which encodes a family 2 G-protein-coupled receptor, and Trcg1, are selectively expressed in taste receptor cells| journal = Genomics| volume = 85| issue = 4| pages = 472–82| last2 = Sainz| first2 = E| last3 = Cavenagh| first3 = M. M.| last4 = Cruz-Ithier| first4 = M. A.| last5 = Blackwood| first5 = C. A.| last6 = Battey| first6 = J. F.| last7 = Sullivan| first7 = S. L.| doi = 10.1016/j.ygeno.2004.12.005}}
13. ^{{Cite web | url=http://string-db.org/newstring_cgi/show_network_section.pl | title=STRING: Functional protein association networks}}
14. ^{{Cite web | url=http://www.genomatix.de/online_help/help_eldorado/introduction.html | title=ElDorado Introduction}}

Gene