Journal
JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
Volume 22, Issue 2, Pages 778-785Publisher
WILEY
DOI: 10.1111/jcmm.13375
Keywords
interstitial cells of Cajal; neural crest cells; enteric nervous system; human; digestive tract
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Funding
- Internal project of Medical faculty of Nis [22]
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Neural crest cells (NCC) can migrate into different parts of the body and express their strong inductive potential. In addition, they are multipotent and are able to differentiate into various cell types with diverse functions. In the primitive gut, NCC induce differentiation of muscular structures and interstitial cells of Cajal (ICC), and they themselves differentiate into the elements of the enteric nervous system (ENS), neurons and glial cells. ICC develop by way of mesenchymal cell differentiation in the outer parts of the primitive gut wall around the myenteric plexus (MP) ganglia, with the exception of colon, where they appear simultaneously also at the submucosal border of the circular muscular layer around the submucosal plexus (SMP) ganglia. However, in a complex process of reciprocal induction of NCC and local mesenchyma, c-kit positive precursors are the first to differentiate, representing probably the common precursors of ICC and smooth muscle cells (SMC). C-kit positive precursors could represent a key impact factor regarding the final differentiation of NCC into neurons and glial cells with neurons subsequently excreting stem cell factor (SCF) and other signalling molecules. Under the impact of SCF, a portion of c-kit positive precursors lying immediately around the ganglia differentiate into ICC, while the rest differentiate into SMC.
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