作者: Manuel D. Gahete , Jose Cordoba-Chacón , Mario Duran-Prado , María M. Malagón , Antonio J. Martinez-Fuentes
DOI: 10.1111/J.1749-6632.2010.05511.X
关键词:
摘要: Somatostatin (SST) and its receptors (sst) make up a molecular family with unique functional complexity versatility. Widespread distribution frequent coexpression of sst subtypes underlies the multiplicity (patho)physiological processes controlled by SST (central nervous system functions, endocrine exocrine secretion, cell proliferation). This is clearly reflected in intricate evolutionary development this family. Recent studies postulate existence an ancestral somatostatin/urotensin II (SST/UII) gene, which originated two ancestral, UII, genes local duplication. Subsequently, segment duplication would have diverging both fish (SS1/SS2) tetrapods [(SST/cortistatin(CST))]. SST/CST actions are mediated GPCRs (sst1-5) encoded five different genes. sst1-4 sequences highly conserved compared sst5, suggesting relevance for latter. Indeed, we recently identified novel truncated but sst5 variants several species, may help to explain part SST/CST/sst Comparative phylogenetic analysis enhance our understanding paradigmatic