Journal
NEUROGASTROENTEROLOGY AND MOTILITY
Volume 21, Issue 2, Pages 100-102Publisher
WILEY
DOI: 10.1111/j.1365-2982.2008.01255.x
Keywords
development; enteric nervous system; gastrointestinal tract; Hirschsprung's disease; neural crest cells; neurons
Funding
- Medical Research Council [MC_U117537087, G0800973] Funding Source: researchfish
- MRC [G0800973, MC_U117537087] Funding Source: UKRI
- Medical Research Council [MC_U117537087, G0800973] Funding Source: Medline
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The enteric nervous system (ENS), the intrinsic innervation of the gastrointestinal tract that controls essential functions such as motility, secretion and blood flow, comprises a vast number of neurons and glial cells that are organized into complex networks of interconnected ganglia distributed throughout the entire length of the gut wall. Enteric neurons and glia are derived from neural crest cells that undergo extensive migration, proliferation, differentiation and survival in order to form a functional ENS. Investigations of the developmental processes that underlie ENS formation in animal models, and of the common human congenital ENS abnormality Hirschsprung's disease, have been intimately related and recently led to major advances in the field. This review touches on some of these advances and introduces two topics that are elaborated upon in this journal issue: (i) genome wide approaches for profiling gene expression in wild type and mutant ENS that have been used to identify novel molecules with important roles in enteric neurogenesis, and (ii) the use of multilineage ENS progenitors isolated from embryonic or postnatal gut as novel cell replacement therapies for Hirschsprung's disease. Such studies will not only unravel the mechanisms underlying ENS development, but will also shed light on the pathogenesis of ENS developmental disorders and help to establish novel therapeutic strategies for restoring or repairing malfunctioning enteric neural circuits prevalent in numerous gastrointestinal diseases.
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