See a complete PubMed list of publications by Mark Pimentel, MD.

Selected Key Publications

Pimentel M, Morales W, Pokkunuri V, Brikos C, Kim SM, Kim SE, Triantafyllou K, Weitsman S, Marsh Z, Marsh E, et al. Autoimmunity links vinculin to the pathophysiology of chronic functional bowel changes following Campylobacter jejuni infection in a rat model. Dig Dis Sci. 2014 Nov 26. [Epub ahead of print]

Pimentel M, Chang C, Chua KS, Mirocha J, DiBaise J, Rao S, Amichai M. Antibiotic treatment of constipation-predominant irritable bowel syndrome. Dig Dis Sci. 2014 Jun;59(6):1278-1285.

Triantafyllou K, Chang C, Pimentel M. Methanogens, methane and gastrointestinal motility. J Neurogastroenterol Motil. 2014 Jan;20(1):31-40.

Mathur R, Kim G, Morales W, Sung J, Rooks E, Pokkunuri V, Weitsman S, Barlow GM, Chang C, Pimentel M. Intestinal Methanobrevibacter smithii but not total bacteria is related to diet-induced weight gain in rats. Obesity (Silver Spring). 2013 Apr;21(4):748-754.;jsessionid=E1D35888796E2A6CFE36A0F2F875F558.f02t04.

Sung J, Morales W, Kim G, Pokkunuri V, Weitsman S, Rooks E, Marsh Z, Barlow GM, Chang C, Pimentel M. Effect of repeated Campylobacter jejuni infection on gut flora and mucosal defense in a rat model of post infectious functional and microbial bowel changes. Neurogastroenterol Motil. 2013 Jun;25(6):529-537.

Pokkunuri V, Pimentel M, Morales W, Jee SR, Alpern J, Weitsman S, Marsh Z, Low K, Hwang L, Khoshini R, et al. Role of cytolethal distending toxin in altered stool form and bowel phenotypes in a rat model of post-infectious irritable bowel syndrome. J Neurogastroenterol Motil. 2012 Oct;18(4):434-442.

Basseri R, Basseri B, Pimentel M, Chong K, Youdim A, Low K, Hwang L, Soffer E, Chang C, Mathur R. Intestinal methane production in obese individuals is associated with a higher body mass index. Gastro and Hep. 2012;8(1):22-28.

Pyleris E, Giamarellos-Bourboulis EJ, Tzivras D, Koussoulas V, Barbatzas C, Pimentel M. The prevalence of small intestinal bacterial overgrowth by small bowel culture: relationship with irritable bowel syndrome. Dig Dis Sci. 2012;57(5):1321-1329.

Shah E, Riddle MS, Chang C, Pimentel M. Estimating the contribution of acute gastroenteritis to the overall prevalence of IBS. J Neurogastroenterol Motil. 2012; 18: 200-204.

Kim G, Deepinder F, Morales W, Hwang L, Weitsman S, Chang C, Gunsalus R, Pimentel M. Methanobrevibacter smithii is the predominant methanogen in patients with constipation-predominant IBS and methane on breath. Dig Dis Sci. May 2012 Dec;57(12):3213-3218.

Pimentel M, Lembo A, Chey W, Zakko S, Ringel Y, Yu J, Mareya S, Shaw A, Bortey E, Forbes WP. Rifaximin therapy for patients with irritable bowel syndrome without constipation. N Engl J Med. 2011;364(1):22-32.

Pimentel M, Morales W, Jee S-R, Low K, Hwang L, Pokkunuri V, Chang C. Antibiotic prophylaxis prevents the development of a post-infectious phenotype in a rat model of post-infectious IBS. Dig Dis Sci. 2011;56(7):1962-1966.

Morales W, Pimentel M, Hwang L, Kunkel D, Pokkunuri V, Basseri B, Low K, Wang H, Chang C. Acute and chronic histological changes of the small bowel secondary to C. jejuni infection in a rat model. Dig Dis Sci. 2011;56(9):2575-2584.

Jee S-R, Morales W, Low K, Chang C, Zhu A, Pokkunuri V, Chatterjee S, Soffer EE, Conklin JL, Pimentel M. ICC density predicts bacterial overgrowth in a rat model of post-infectious IBS. World J Gastroenterol. 2010;16:3680-3686.

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