This is an excellent study on the developing Enteric Nervous Stem (ENS). This system is often referred to as the "second brain".
Despite this, neurogenesis has been much less studied in the ENS than in the brain. Understanding how neurons are formed in the gut is the foundation for finding cures for ENS disorders. The key finding here is that the ability of 5-HT4 receptors to unmask a regulation of enteric neurogenesis in adult animals suggests that the mature ENS is capable of an unexpected degree of plasticity (potentially good new for discovering therapies for ENS related disorders).
Min-Tsai Liu, Yung-Hui Kuan, Jingwen Wang, René Hen, and Michael D. Gershon. 5-HT4 Receptor-Mediated Neuroprotection and Neurogenesis in the Enteric Nervous System of Adult Mice. The Journal of Neuroscience, August 5, 2009, 29(31):9683-9699; doi:10.1523/JNEUROSCI.1145-09.2009.
More details @ http://www.anxietyinsights.info/serotonin_the_gut_and_neurogenesis.htm
On a side note, this publication is rich with excellent ICC and Western Blot images of a variety of Neurogenesis Markers. This include referencing of 4 of our markers:
GFAP-CH22102-ICC Dilution 1:2000
Musashi-1-RA14128-ICC Dilution 1:100 WB Dilution 1:1000
Neurofilament NF-H-CH22104-ICC Dilution 1:2000
S100B-RA25022-ICC Dilution 1;1000
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