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Full-Text Articles in Gastroenterology

Intimin Likely Used To Cause Disease During Competition With Commensal Escherichia Coli, Dominique J. Richburg Apr 2016

Intimin Likely Used To Cause Disease During Competition With Commensal Escherichia Coli, Dominique J. Richburg

Senior Honors Theses

The intimin gene in the Locus of Enterocyte Effacement (LEE) island of pathogenicity is the primary attachment mechanism in Citrobacter rodentium. Intimin is a bacterial adhesin (protein) that attaches to obtain a niche/nutrient and thrive within the intestine. Intimin was deleted within C. rodentium to study colonization and pathogenesis in the murine intestine. Additionally, C. rodentium is an attaching/effacing pathogen, and a useful murine model in understanding Enterohemorrhagic Escherichia coli (EHEC) infection in humans. E. coli and C. rodentium cause gastroenteritis in humans and mice, respectively. C. rodentium is a murine pathogen commonly used to model gastrointestinal disease because …


Treatment And Prevention Of Human Rotavirus (Hrv) In Developing Countries: The Potential Of Avian Immunoglobulin Y, Christa Brown Apr 2016

Treatment And Prevention Of Human Rotavirus (Hrv) In Developing Countries: The Potential Of Avian Immunoglobulin Y, Christa Brown

Senior Honors Theses

Rotavirus gastroenteritis is a leading cause of childhood mortality, killing ~1400 children younger than five daily, primarily through severe diarrheal dehydration. Eighty-five percent of this mortality occurs in developing countries where rotavirus vaccines are not widely implemented and are only partially effective. In those countries, it has proven difficult to implement the recommended supportive therapies like oral rehydration therapy (ORT) on a wide scale due to lack of both medical infrastructure and private economic investment combined with cultural bias against ORT. IgY targeting human rotavirus (anti-HRV IgY) shows potential as a passive immunotherapy that reduces rotavirus-associated morbidity and mortality, augments …