Research Topics
| M B CohenSummaryAffiliation: Children's Hospital Medical Center Country: USA Publications
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Detail Information
Publications
Validation and characterization of a human volunteer challenge model for cholera by using frozen bacteria of the new Vibrio cholerae epidemic serotype, O139M B Cohen
Children s Hospital Medical Center, Cincinnati, Ohio 45229, USA
Infect Immun 67:6346-9. 1999..This model provides a reproducible illness of sufficient severity for testing the efficacies of new O139 or combined O1-O139 vaccines...
Randomized, controlled human challenge study of the safety, immunogenicity, and protective efficacy of a single dose of Peru-15, a live attenuated oral cholera vaccineMitchell B Cohen
Division of Pediatric Gastroenterology, Hepatology and Nutrition, Children s Hospital Medical Center, Cincinnati, Ohio 45229, USA
Infect Immun 70:1965-70. 2002..This vaccine may therefore be a safe and effective tool to prevent cholera in travelers and is a strong candidate for further evaluation to prevent cholera in an area where cholera is endemic...
Novel genes and functional relationships in the adult mouse gastrointestinal tract identified by microarray analysisMichael D Bates
Division of Gastroenterology, Children s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio 45229, USA
Gastroenterology 122:1467-82. 2002..We hypothesized that functional patterning along the A-P axis of the GI tract could be defined at the molecular level by analyzing expression profiles of large numbers of genes...
Proguanylin secretion and the role of negative-feedback inhibition in a villous epithelial cell lineJeffrey A Rudolph
Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children s Hospital Medical Center, Cincinnati, Ohio 45229, USA
Am J Physiol Gastrointest Liver Physiol 283:G695-702. 2002..These data describe the use of C2/bbe1 cells as a model for proguanylin secretion in villous epithelial cells and demonstrate their potential use for the study of the regulatory mechanisms governing proguanylin synthesis and secretion...
Lack of guanylyl cyclase C, the receptor for Escherichia coli heat-stable enterotoxin, results in reduced polyp formation and increased apoptosis in the multiple intestinal neoplasia (Min) mouse modelElizabeth A Mann
Division of Digestive Diseases, VA Medical Center and University of Cincinnati, Cincinnati, OH 45267, USA
Int J Cancer 116:500-5. 2005..We propose that these alterations are a possible compensatory mechanism by which loss of GC-C signaling also affects tumorigenesis...
Novel mechanism of cyclic AMP mediated extracellular signal regulated kinase activation in an intestinal cell lineJeffrey A Rudolph
Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Cincinnati Children s Hospital Medical Center and the University of Cincinnati, Cincinnati, Ohio, 45229, United States
Cell Signal 19:1221-8. 2007..These results directly implicate PKAII as a mediator of cell survival in T84 cells and provide evidence for an additional means by which cAMP can influence intestinal cell turnover...
A randomized, double-blind, placebo-controlled trial of fluticasone propionate for pediatric eosinophilic esophagitisMichael R Konikoff
Division of Pediatric Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
Gastroenterology 131:1381-91. 2006..05). CONCLUSIONS: Swallowed FP is effective in inducing histologic remission in eosinophilic esophagitis, with a more pronounced effect in nonallergic and younger individuals, especially in the proximal esophagus...
The proximal convoluted tubule is a target for the uroguanylin-regulated natriuretic responseNoeet Elitsur
Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children s Hospital Medical Center, and The University of Cincinnati, OH 45229, USA
J Pediatr Gastroenterol Nutr 43:S74-81. 2006..To explore the in vivo role of guanylin and uroguanylin in the regulation of sodium excretion, we used gene-targeted mice in which the uroguanylin, guanylin or the peptide receptor guanylate cyclase C gene expression had been ablated...
Eotaxin-3 and a uniquely conserved gene-expression profile in eosinophilic esophagitisCarine Blanchard
Division of Allergy and Immunology, Cincinnati Children s Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio 45229, USA
J Clin Invest 116:536-47. 2006..Finally, mice deficient in the eotaxin receptor (also known as CCR3) were protected from experimental EE. These results implicate eotaxin-3 as a critical effector molecule for EE and provide insight into disease pathogenesis...
Effect of secretagogues and pH on intestinal transport in guanylin-deficient miceAlan N Charney
Nephrology Section, VA Medical Center and New York University School of Medicine, 423 E 23rd Street, New York, NY 10010, USA
Biochim Biophys Acta 1671:79-86. 2004..The effectiveness of guanylin in this segment suggests a difference in the intestinal secretory actions of STa and guanylin...
Targeted inactivation of the mouse guanylin gene results in altered dynamics of colonic epithelial proliferationKris A Steinbrecher
Division of Pediatric Gastroenterology, Hepatology and Nutrition, Children s Hospital Research Foundation, Children s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
Am J Pathol 161:2169-78. 2002..We speculate that the increase in colonocyte number is related to decreased levels of cGMP and that this increase in proliferation plays a role in susceptibility to intestinal adenoma formation and/or progression...
Coordinate upregulation of guanylin and uroguanylin expression by hypertonicity in HT29-18-N2 cellsKris A Steinbrecher
Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Children's Hospital Research Foundation, Children's Hospital Medical Center and University of Cincinnati, Cincinnati, Ohio 45229, USA
Am J Physiol Cell Physiol 283:C1729-37. 2002..We conclude that guanylin and uroguanylin are released in response to hypertonic stress and that regulation of these genes may be mediated by PKC isoforms...
Host-induced epidemic spread of the cholera bacteriumD Scott Merrell
Department of Molecular Biology and Microbiology, Tufts University School of Medicine, Boston, Massachusetts 02111, USA
Nature 417:642-5. 2002....
Heat-stable enterotoxin of Escherichia coli (STa) can stimulate duodenal HCO3(-) secretion via a novel GC-C- and CFTR-independent pathwayZachary M Sellers
Department of Medicine, Division of Gastroenterology, University of California, San Diego, La Jolla, California, USA
FASEB J 22:1306-16. 2008..Further understanding of this alternative receptor and its signaling pathway may provide important insights into rectification of intestinal bicarbonate secretion in cystic fibrosis...
