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Updated: May 24, 2026

Determination of Tolerable Fatty Acids and Cholera Toxin Concentrations Using Human Intestinal Epithelial Cells and BALB/c Mouse Macrophages
Published on: May 30, 2013
Effect of quercetin on Vibrio cholerae induced nuclear factor-κB activation and interleukin-8 expression in
Tapasi Das1, Sanjit Mukherjee, Keya Chaudhuri
1Molecular & Human Genetics Division, Indian Institute of Chemical Biology-Unit of CSIR, 4 Raja S.C. Mullick Road, Kolkata 700032, India.
Abstract:
Vibrio cholerae, the etiological agent of cholera, colonizes the small intestine, produces an enterotoxin and causes acute inflammatory response at intestinal epithelial cell surface. Pretreatment of intestinal epithelial cells with quercetin reduces the level of V. cholerae induced IL-8 in dose and time dependent manner as determined by ELISA and RT-PCR. Immunofluorescence studies showed that quercetin suppresses the translocation of p50 subunit of NF-κB. In vivo, quercetin administration produced a significant reduction of neutrophil infiltration in the intestinal epithelial layer of suckling mouse. Taken together, quercetin could inhibit the V. cholerae induced inflammation and may therefore find use in management of V. cholerae induced pathogenesis.
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