Expression and release patterns of neuropeptides during embryonic development and hatching of the green shore crab, Carcinus maenas

Development
J Sook Chung, Simon G Webster

Abstract

Crustacean ecdysis is controlled by at least three neuropeptides: moult-inhibiting hormone (MIH), which represses ecdysteroid synthesis; crustacean hyperglycaemic hormone (CHH), which not only influences ecdysteroid synthesis but also water uptake during moulting; and crustacean cardioactive peptide (CCAP), which is involved in stereotyped ecdysis behaviour. During embryonic development, moulting takes place in the egg, but there is little information regarding developmental expression of these neuropeptides during this period or during hatching--an event that is analogous to eclosion in insects. To address this problem, we determined expression profiles of MIH and CHH mRNA by quantitative RT-PCR, together with developmental peptide expression studies [confocal immunocytochemistry (ICC) and radioimmunoassay (RIA)]. Likely homologous events relating to neuropeptide surges of both CHH and CCAP were seen during larval hatching, when compared to the adult moult, and cell-specific copy concentration of both MIH and CHH mRNAs was identical to that of the adult during late embryonic development. We measured parallel mRNA and peptide expression of two neuropeptides (red pigment-concentrating hormone RPCH) and pigment-dispersing hormone...Continue Reading

References

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Citations

Jun 1, 2011·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Paola Pérez-PolancoUbaldo García
Oct 7, 2010·The Journal of Biological Chemistry·Carolina MöllerFrank Marí
Oct 3, 2012·Molecular & Cellular Proteomics : MCP·Chenxi JiaLingjun Li
Aug 21, 2010·Cellular and Molecular Life Sciences : CMLS·Andrew E ChristiePatsy S Dickinson
Jun 18, 2014·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Ponsit SathapondechaApinunt Udomkit
Dec 8, 2011·General and Comparative Endocrinology·Simon George WebsterHeinrich Dircksen
Nov 3, 2010·Progress in Neurobiology·E MeelkopT Janssen
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Jan 13, 2006·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·María Luisa Fanjul-Moles
Jun 26, 2013·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Bo-Mi KimJae-Seong Lee
Jun 18, 2017·Ecotoxicology and Environmental Safety·Hélène ArambourouVincent Debat
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Jan 15, 2021·Zoology : Analysis of Complex Systems, ZACS·Wolfgang Stein, Steffen Harzsch
May 4, 2020·General and Comparative Endocrinology·Cameron J HydeTomer Ventura

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