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Dr. Gershon has published almost 400 peer-reviewed papers. Major contributions, which have relevance to disorders of GI motility, including irritable bowel syndrome, include identification of serotonin as a GI neurotransmitter and the initial observation in the gut of intrinsic sensory nerve cells that trigger propulsive motor activity. Dr. Gershon also discovered that the serotonin transporter (SERT) is expressed by enterocytes (cells that line the lumen of the gut) as well as by enteric neurons and is critical in the termination of serotonin-mediated effects. Dr. Gershon has identified roles in GI physiology that specific subtypes of serotonin receptor play and he has provided evidence that serotonin is not only a neurotransmitter and a paracrine factor that initiates motile and secretory reflexes, but also as a hormone that affects bone resorption and inflammation. He has called serotonin “a sword and shield of the bowel” because it is simultaneously proinflammatory and neuroprotective. Mucosal serotonin triggers inflammatory responses that oppose microbial invasion, while neuronal serotonin protects the ENS from the damage that inflammation would otherwise cause. Neuron-derived serotonin also mobilizes precursor cells, which are present in the adult gut, to initiate the genesis of new neurons, an adult function that reflects a similar essential activity of early-born serotonergic neurons in late fetal and early neonatal life to promote development of late-born sets of enteric neurons. Dr. Gershon has made many additional contributions to ENS development, including the identification of necessary guidance molecules, adhesion proteins, growth and transcription factors; his observations suggest that defects that occur late in ENS development lead to subtle changes in GI physiology that may contribute to the pathogenesis of functional bowel disorders. More recently, Drs. Michael and Anne Gershon have demonstrated that varicella zoster virus (VZV) infects, becomes latent, and reactivates in enteric neurons, including those of humans. They have demonstrated that “enteric zoster (shingles)” occurs and may thus be an unexpected cause of a variety of gastrointestinal disorders, the pathogenesis of which is currently unknown.
研究兴趣
论文共 331 篇作者统计合作学者相似作者
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Gastroenterologyno. 6 (2023): S-341
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Lin Y. Hung,Andrew Del Colle, Nuno D. Alves, Yan Tong,Zixing Huang, Sarah Najjar,Narek Israelyan, Melissa Medina, Ray Rahim, Roey Ringel,Michael Gershon,Mark Ansorge,
GASTROENTEROLOGYno. 6 (2023): S412-S413
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GASTROENTEROLOGYno. 6 (2023): S341-S341
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Neuronno. 14 (2022): 2199-2201
Amy Shepherd, Laurence Feinstein, Svetlana Sabel,Daniella Rastelli,Esther Mezhibovsky,Lynley Matthews,Anoohya Muppirala,Ariel Robinson,Michael D Gershon,Meenakshi Rao
bioRxiv (Cold Spring Harbor Laboratory)no. 3 (2022): 437-449
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