ArticleInternational journal of molecular sciences2021
Novel Pituitary Actions of TAC4 Gene Products in Teleost.
Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Temporal expression profiles of tachykinin genes throughout the first reproductive cycle, male pregnancy, and brood pouch development in the big-belly seahorse (Hippocampus abdominalis).Fish physiology and biochemistry · 2026Article
- Hemokinin-1 is a mediator of chronic restraint stress-induced pain.Scientific reports · 2023Article
- Tachykinins, new players in the control of reproduction and food intake: A comparative review in mammals and teleosts.Frontiers in endocrinology · 2022Review
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
Tachykinin 4 (TAC4) is the latest member of the tachykinin family involved in several physiological functions in mammals. However, little information is available about TAC4 in teleost. In the present study, we firstly isolated TAC4 and six neurokinin receptors (NKRs) from grass carp brain and pituitary. Sequence analysis showed that grass carp TAC4 could encode two mature peptides (namely hemokinin 1 (HK1) and hemokinin 2 (HK2)), in which HK2 retained the typical FXGLM motif in C-terminal of tachyinin, while HK1 contained a mutant VFGLM motif. The ligand-receptor selectivity showed that HK2 could activate all 6 NKRs but with the highest activity for the neurokinin receptor 2 (NK2R). Interestingly, HK1 displayed a very weak activation for each NKR isoform. In grass carp pituitary cells, HK2 could induce prolactin (PRL), somatolactin α (SLα), urotensin 1 (UTS1), neuromedin-B 1 (NMB1), cocaine- and amphetamine-regulated transcript 2 (CART2) mRNA expression mediated by NK2R and neurokinin receptor 3 (NK3R) via activation cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA), phospholipase C (PLC)/inositol 1,4,5-triphosphate (IP3)/protein kinase C (PKC) and calcium
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Registered trials
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