Article: Ontogeny of PAC1-R and VPAC1-R in the frog, Rana esculenta.
2007 Volume 28, Issue 9, Page(s) 1738–1745
Abstract: ... the ontogeny of the selective PACAP receptor, PAC1-R, and the PACAP-vasoactive intestinal polypeptide (VIP ... mutual receptor, VPAC1-R, in frog embryos by whole-mount in situ hybridization histochemistry. At stage ... 20, expression of PAC1-R and/or VPAC1-R mRNAs was detected in the brain, the auditory vesicles ...
Abstract | The distribution of pituitary adenylate cyclase-activating polypeptide (PACAP) and PACAP receptors in the brain of amphibians has been previously described. In the present study, we have investigated the ontogeny of the selective PACAP receptor, PAC1-R, and the PACAP-vasoactive intestinal polypeptide (VIP) mutual receptor, VPAC1-R, in frog embryos by whole-mount in situ hybridization histochemistry. At stage 20, expression of PAC1-R and/or VPAC1-R mRNAs was detected in the brain, the auditory vesicles, the external gills, the buds of the lateral lines and the coelomatic cavity. At stage 25, PAC1-R and/or VPAC1-R mRNAs were observed in the buds of the orbital lateral line, the pancreas and heart. At stage 30, PAC1-R and VPAC1-R mRNAs were widely distributed in the telencephalon and diencephalon as well as in the bud of the lateral line, the heart and the pancreas. The anatomical distribution of PAC1-R and VPAC1-R mRNAs, although similar, did not totally overlap, indicating that PACAP and VIP may exert differential effects in frog during development. |
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MeSH term(s) | Animals ; Brain/embryology ; Brain/metabolism ; Embryo, Nonmammalian/embryology ; Embryo, Nonmammalian/metabolism ; Gene Expression Regulation, Developmental ; In Situ Hybridization ; RNA, Messenger/genetics ; RNA, Messenger/metabolism ; Rana esculenta/embryology ; Rana esculenta/genetics ; Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type I/genetics ; Receptors, Vasoactive Intestinal Polypeptide, Type I/genetics |
Chemical Substances | RNA, Messenger ; Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type I ; Receptors, Vasoactive Intestinal Polypeptide, Type I |
Language | English |
Publishing date | 2007-09 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 769028-9 |
ISSN | 1873-5169 ; 0196-9781 |
ISSN (online) | 1873-5169 |
ISSN | 0196-9781 |
DOI | 10.1016/j.peptides.2007.04.010 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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