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Somatostatin receptor 3
Symbols SSTR3;
External IDs OMIM182453 MGI98329 HomoloGene20285 IUPHAR: sst3 GeneCards: SSTR3 Gene
RNA expression pattern
PBB GE SSTR3 214491 at tn.png
More reference expression data
Species Human Mouse
Entrez 6753 20607
Ensembl ENSG00000183473 ENSMUSG00000044933
UniProt P32745 Q0VB04
RefSeq (mRNA) NM_001051 NM_009218
RefSeq (protein) NP_001042 NP_033244
Location (UCSC) Chr 22:
35.93 - 35.94 Mb
Chr 15:
78.36 - 78.37 Mb
PubMed search [1] [2]

Somatostatin receptor type 3 is a protein that in humans is encoded by the SSTR3 gene.[1][2]

Somatostatin acts at many sites to inhibit the release of many hormones and other secretory proteins. The biological effects of somatostatin are probably mediated by a family of G protein-coupled receptors that are expressed in a tissue-specific manner. SSTR3 is a member of the superfamily of receptors having seven transmembrane segments and is expressed in highest levels in brain and pancreatic islets. SSTR3 is functionally coupled to adenylyl cyclase.[2]


See also


  1. ^ Yamada Y, Stoffel M, Espinosa R 3rd, Xiang KS, Seino M, Seino S, Le Beau MM, Bell GI (Apr 1993). "Human somatostatin receptor genes: localization to human chromosomes 14, 17, and 22 and identification of simple tandem repeat polymorphisms". Genomics 15 (2): 449-52. doi:10.1006/geno.1993.1088. PMID 8449518.  
  2. ^ a b "Entrez Gene: SSTR3 somatostatin receptor 3".  

Further reading

  • Yamada Y, Reisine T, Law SF, et al. (1993). "Somatostatin receptors, an expanding gene family: cloning and functional characterization of human SSTR3, a protein coupled to adenylyl cyclase.". Mol. Endocrinol. 6 (12): 2136–42. doi:10.1210/me.6.12.2136. PMID 1337145.  
  • Yamada Y, Post SR, Wang K, et al. (1992). "Cloning and functional characterization of a family of human and mouse somatostatin receptors expressed in brain, gastrointestinal tract, and kidney.". Proc. Natl. Acad. Sci. U.S.A. 89 (1): 251–5. doi:10.1073/pnas.89.1.251. PMID 1346068.  
  • Corness JD, Demchyshyn LL, Seeman P, et al. (1993). "A human somatostatin receptor (SSTR3), located on chromosome 22, displays preferential affinity for somatostatin-14 like peptides.". FEBS Lett. 321 (2-3): 279–84. doi:10.1016/0014-5793(93)80124-D. PMID 8097479.  
  • Law SF, Zaina S, Sweet R, et al. (1994). "Gi alpha 1 selectively couples somatostatin receptor subtype 3 to adenylyl cyclase: identification of the functional domains of this alpha subunit necessary for mediating the inhibition by somatostatin of cAMP formation.". Mol. Pharmacol. 45 (4): 587–90. PMID 8183236.  
  • Kaupmann K, Bruns C, Hoyer D, et al. (1993). "Distribution and second messenger coupling of four somatostatin receptor subtypes expressed in brain.". FEBS Lett. 331 (1-2): 53–9. doi:10.1016/0014-5793(93)80296-7. PMID 8405411.  
  • Sharma K, Patel YC, Srikant CB (1997). "Subtype-selective induction of wild-type p53 and apoptosis, but not cell cycle arrest, by human somatostatin receptor 3.". Mol. Endocrinol. 10 (12): 1688–96. doi:10.1210/me.10.12.1688. PMID 8961277.  
  • Fukusumi S, Kitada C, Takekawa S, et al. (1997). "Identification and characterization of a novel human cortistatin-like peptide.". Biochem. Biophys. Res. Commun. 232 (1): 157–63. doi:10.1006/bbrc.1997.6252. PMID 9125122.  
  • Ain KB, Taylor KD, Tofiq S, Venkataraman G (1997). "Somatostatin receptor subtype expression in human thyroid and thyroid carcinoma cell lines.". J. Clin. Endocrinol. Metab. 82 (6): 1857–62. doi:10.1210/jc.82.6.1857. PMID 9177396.  
  • de Lecea L, Ruiz-Lozano P, Danielson PE, et al. (1997). "Cloning, mRNA expression, and chromosomal mapping of mouse and human preprocortistatin.". Genomics 42 (3): 499–506. doi:10.1006/geno.1997.4763. PMID 9205124.  
  • Roth A, Kreienkamp HJ, Meyerhof W, Richter D (1997). "Phosphorylation of four amino acid residues in the carboxyl terminus of the rat somatostatin receptor subtype 3 is crucial for its desensitization and internalization.". J. Biol. Chem. 272 (38): 23769–74. doi:10.1074/jbc.272.38.23769. PMID 9295322.  
  • Dunham I, Shimizu N, Roe BA, et al. (1999). "The DNA sequence of human chromosome 22.". Nature 402 (6761): 489–95. doi:10.1038/990031. PMID 10591208.  
  • Zatelli MC, Tagliati F, Taylor JE, et al. (2001). "Somatostatin receptor subtypes 2 and 5 differentially affect proliferation in vitro of the human medullary thyroid carcinoma cell line tt.". J. Clin. Endocrinol. Metab. 86 (5): 2161–9. doi:10.1210/jc.86.5.2161. PMID 11344221.  
  • Talme T, Ivanoff J, Hägglund M, et al. (2001). "Somatostatin receptor (SSTR) expression and function in normal and leukaemic T-cells. Evidence for selective effects on adhesion to extracellular matrix components via SSTR2 and/or 3.". Clin. Exp. Immunol. 125 (1): 71–9. doi:10.1046/j.1365-2249.2001.01577.x. PMID 11472428.  
  • Pasquali D, Notaro A, Esposito D, et al. (2002). "[Somatostatin receptor genes expression and effects of octreotide on orbital fibroblasts from Graves' ophthalmopathy]". Minerva Endocrinol. 26 (3): 175–9. PMID 11753241.  
  • Papotti M, Bongiovanni M, Volante M, et al. (2002). "Expression of somatostatin receptor types 1-5 in 81 cases of gastrointestinal and pancreatic endocrine tumors. A correlative immunohistochemical and reverse-transcriptase polymerase chain reaction analysis.". Virchows Arch. 440 (5): 461–75. doi:10.1007/s00428-002-0609-x. PMID 12021920.  
  • Ferone D, Pivonello R, Van Hagen PM, et al. (2002). "Quantitative and functional expression of somatostatin receptor subtypes in human thymocytes.". Am. J. Physiol. Endocrinol. Metab. 283 (5): E1056–66. doi:10.1152/ajpendo.00205.2001. PMID 12376335.  
  • Pasquali D, Notaro A, Bonavolonta' G, et al. (2002). "Somatostatin receptor genes are expressed in lymphocytes from retroorbital tissues in Graves' disease.". J. Clin. Endocrinol. Metab. 87 (11): 5125–9. doi:10.1210/jc.2002-020790. PMID 12414882.  
  • Dizeyi N, Konrad L, Bjartell A, et al. (2002). "Localization and mRNA expression of somatostatin receptor subtypes in human prostatic tissue and prostate cancer cell lines.". Urol. Oncol. 7 (3): 91–8. doi:10.1016/S1078-1439(01)00173-9. PMID 12474541.  
  • Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.  

External links

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



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