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Journal of Histochemistry and Cytochemistry, Vol. 51, 969-972, July 2003, Copyright © 2003, The Histochemical Society, Inc.

BRIEF REPORT

Expression of Notch1 and Jagged2 in the Enteric Nervous System

Guy R. Sandera, Simon J.H. Brookesc, and Barry C. Powella,b
a Child Health Research Institute, Womens and Childrens Hospital, North Adelaide, South Australia
b Department of Physiology, University of Adelaide
c Department of Human Physiology and Centre for Neuroscience, Flinders University, Adelaide, South Australia

Correspondence to: Guy R. Sander, Child Health Research Institute, 72 King William Road, North Adelaide, South Australia 5006, Australia. E-mail: guy.sander@adelaide.edu.au

The Notch signaling pathway is a vitally important pathway in regulating brain development. To explore the involvement of the Notch pathway in neuronal cells of adult rat gut, we investigated the expression of Notch1 and Jagged2 by in situ hybridization (ISH) and immunohistochemistry (IHC). In the enteric nervous system, Notch1 and Jagged2 were expressed in ganglia of the submucosal and myenteric plexus. Notch1 was preferentially expressed in cholinergic neurons lacking calretinin or nitric oxide synthase (NOS), whereas Jagged2 was present in most neuron subtypes. We propose that Notch1 and Jagged2 have a continuing role in the maintenance and function of neuronal cells in the adult enteric nervous system. (J Histochem Cytochem 51:969–972, 2003)

Key Words: Notch, Jagged, enteric nervous system, cholinergic


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M. F. Stidworthy, S. Genoud, W.-W. Li, D. P. Leone, N. Mantei, U. Suter, and R. J. M. Franklin
Notch1 and Jagged1 are expressed after CNS demyelination, but are not a major rate-determining factor during remyelination
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