Murine prenatal expression of cholecystokinin in neural crest, enteric neurons, and enteroendocrine cells
dc.contributor.author | Lay, Jean M. | en_US |
dc.contributor.author | Gillespie, Patrick J. | en_US |
dc.contributor.author | Samuelson, Linda C. | en_US |
dc.date.accessioned | 2006-04-19T14:13:49Z | |
dc.date.available | 2006-04-19T14:13:49Z | |
dc.date.issued | 1999-10 | en_US |
dc.identifier.citation | Lay, Jean M.; Gillespie, Patrick J.; Samuelson, Linda C. (1999)."Murine prenatal expression of cholecystokinin in neural crest, enteric neurons, and enteroendocrine cells." Developmental Dynamics 216(2): 190-200. <http://hdl.handle.net/2027.42/35165> | en_US |
dc.identifier.issn | 1058-8388 | en_US |
dc.identifier.issn | 1097-0177 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/35165 | |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=retrieve&db=pubmed&list_uids=10536058&dopt=citation | en_US |
dc.description.abstract | Cholecystokinin (CCK) is a regulatory peptide that is primarily expressed in two adult cell types: endocrine cells of the intestine and neurons of the central nervous system. To determine the ontogeny of CCK expression during intestinal organogenesis, we created a mouse strain in which the CCK gene was replaced by a lacZ reporter cassette using homologous recombination in embryonic stem cells. Initially, CCK expression in the developing intestine was limited to the myenteric plexus of the enteric nervous system. This expression pattern was widespread, extending from the proximal stomach into the colon, yet transient, being detected soon after gut tube closure [embryonic day 10.5 (E10.5)] through E15.5. Since enteric neurons are derived from the neural crest, we examined earlier (E8.5–9.5) embryos and concluded that lacZ was expressed in subpopulations of neural tube and neural crest cells. Endocrine cell expression in the intestinal epithelium occurred later, beginning at E15.5 as enteric neuronal expression was dwindling. This expression persisted to yield the adult pattern of scattered single endocrine cells in the upper small intestine. The data show that CCK is a very early marker of both neuronal and endocrine cell lineages in the developing gastrointestinal tract. Furthermore, reverse transcriptase polymerase chain reaction (RT-PCR) analysis showed that CCK receptor transcripts were detected in embryos as early as E10.5, suggesting that CCK signaling is established early in mouse development. Dev Dyn 1999;216:190–200 . © 1999 Wiley-Liss, Inc. | en_US |
dc.format.extent | 1215292 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | John Wiley & Sons, Inc. | en_US |
dc.subject.other | Life and Medical Sciences | en_US |
dc.subject.other | Cell & Developmental Biology | en_US |
dc.title | Murine prenatal expression of cholecystokinin in neural crest, enteric neurons, and enteroendocrine cells | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Pediatrics | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | The University of Michigan, Ann Arbor, Michigan Department of Physiology, The University of Michigan, Ann Arbor, Michigan Department of Physiology, The University of Michigan, Ann Arbor, MI 48109-0622 | en_US |
dc.contributor.affiliationum | The University of Michigan, Ann Arbor, Michigan Department of Physiology, The University of Michigan, Ann Arbor, Michigan Department of Physiology, The University of Michigan, Ann Arbor, MI 48109-0622 | en_US |
dc.contributor.affiliationum | The University of Michigan, Ann Arbor, Michigan Department of Physiology, The University of Michigan, Ann Arbor, Michigan Department of Physiology, The University of Michigan, Ann Arbor, MI 48109-0622 | en_US |
dc.identifier.pmid | 10536058 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/35165/1/9_ftp.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1002/(SICI)1097-0177(199910)216:2<190::AID-DVDY9>3.0.CO;2-K | en_US |
dc.identifier.source | Developmental Dynamics | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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