Origin of secretin receptor precedes the advent of tetrapoda: evidence on the separated origins of secretin and orexin

JKV Tam, KW Lau, LTO Lee, JYS Chu, KM Ng… - PLoS …, 2011 - journals.plos.org
At present, secretin and its receptor have only been identified in mammals, and the origin of
this ligand-receptor pair in early vertebrates is unclear. In addition, the elusive similarities of …

[PDF][PDF] Secretin/secretin receptors

JKV Tam, LTO Lee, J Jin, BKC Chow - J Mol Endocrinol, 2014 - Soc Endocrinology
In mammals, secretin is a 27-amino acid peptide that was first studied in 1902 by Bayliss
and Starling from the extracts of the jejunal mucosa for its ability to stimulate pancreatic …

Understanding nuclear receptor form and function using structural biology

F Rastinejad, P Huang, V Chandra… - Journal of …, 2013 - jme.bioscientifica.com
In mammals, secretin is a 27-amino acid peptide that was first studied in 1902 by Bayliss
and Starling from the extracts of the jejunal mucosa for its ability to stimulate pancreatic …

The secretin G-protein-coupled receptor family: teleost receptors

JCR Cardoso, MS Clark, FA Viera… - Journal of …, 2005 - jme.bioscientifica.com
Twenty-one members of the secretin family (family 2) of G-protein-coupled receptors
(GPCRs) were identified via directed cloning and data-mining of the Fugu Genome …

The serendipitous origin of chordate secretin peptide family members

JCR Cardoso, FA Vieira, AS Gomes… - BMC evolutionary biology, 2010 - Springer
Background The secretin family is a pleotropic group of brain-gut peptides with affinity for
class 2 G-protein coupled receptors (secretin family GPCRs) proposed to have emerged …

Fish genomes provide novel insights into the evolution of vertebrate secretin receptors and their ligand

JCR Cardoso, RC Félix, M Trindade… - General and Comparative …, 2014 - Elsevier
The secretin receptor (SCTR) is a member of Class 2 subfamily B1 GPCRs and part of the
PAC 1/VPAC receptor subfamily. This receptor has long been known in mammals but has …

Distribution of Orexin/Hypocretin Immunoreactivity in the Brain of the Lungfishes Protopterus dolloi and Neoceratodus forsteri

JM López, L Domínguez, N Moreno… - Brain, behavior and …, 2010 - karger.com
Lungfishes are currently considered the closest living relatives of tetrapods and represent an
interesting group for the study of evolutionary traits in the transition from fishes to tetrapods …

Forebrain mapping of secretoneurin‐like immunoreactivity and its colocalization with isotocin in the preoptic nucleus and pituitary gland of goldfish

LF Canosa, GC Lopez, E Scharrig… - Journal of …, 2011 - Wiley Online Library
Abstract Secretoneurin, a 33–34 amino acid neuropeptide derived from the proteolytic
processing of the secretogranin‐II precursor protein, is reasonably well conserved in …

Orexins and their receptors from fish to mammals: a comparative approach

KKY Wong, SYL Ng, LTO Lee, HKH Ng… - General and comparative …, 2011 - Elsevier
Although recently discovered, orexins have been rapidly established as important
neuropeptides in regulating physiological processes including food intake, sleep/wake …

Expression of Orexin A and its Receptor 1 in the Epididymis of the South American Camelid Alpaca (Vicugna pacos)

G Liguori, S Paino, N Mirabella… - Anatomia, Histologia …, 2014 - Wiley Online Library
Orexins A (ox A) and B are two peptides originally discovered in neurons of rat
hypothalamus, and later found in different cellular types of the gastrointestinal and genital …