Select Publications

Journal articles

McColl KEL; EI-Nujumi A; Murray LS; El-Omar EM; Dickson A; Kelman AW; Hilditch TE, 1998, 'Assessment of symptomatic response as predictor of Helicobacter pylori status following eradication therapy in patients with ulcer', European Journal of Gastroenterology & Hepatology, 10, pp. 626 - 626, http://dx.doi.org/10.1097/00042737-199807000-00025

McColl KEL; El-Omar EM; Gillen D, 1997, 'Alterations in gastric physiology in Helicobacter pylori infection: Causes of different diseases or all epiphenomena?', Italian Journal of Gastroenterology and Hepatology, 29, pp. 459 - 464

McColl KEL; El-Omar E; Gillen D; Banerjee S, 1997, 'The role of Helicobacter pylori in the pathophysiology of duodenal ulcer disease and gastric cancer', Seminars in Gastrointestinal Disease, 8, pp. 142 - 155

McColl KEL; El-Omar EM; Gillen D, 1997, 'The role of H. Pylori infection in the pathophysiology of duodenal ulcer disease', Journal of Physiology and Pharmacology, 48, pp. 287 - 295

El-Omar EM; Oien K; El-Nujumi A; Gillen D; Wirz A; Dahill S; Williams C; Ardill JES; McColl KEL, 1997, 'Helicobacter pylori infection and chronic gastric acid hyposecretion', Gastroenterology, 113, pp. 15 - 24, http://dx.doi.org/10.1016/S0016-5085(97)70075-1

Talley NJ; Agreus L; Van Zanten SV; McColl KEL; El-Omar EM; Banerjee S; Wirz A, 1997, 'The Glasgow Dyspepsia Severity Score - A tool for the global measurement of dyspepsia (multiple letters) [1]', European Journal of Gastroenterology and Hepatology, 9, pp. 413 - 414, http://dx.doi.org/10.1097/00042737-199704000-00018

McColl KEL; El-Nujumi A; Murray L; El-Omar E; Gillen D; Dickson A; Kelman A; Hilditch TE, 1997, 'The Helicobacter pylori breath test: A surrogate marker for peptic ulcer disease in dyspeptic patients', Gut, 40, pp. 302 - 306, http://dx.doi.org/10.1136/gut.40.3.302

El-Omar E; Banerjee S; Wirz A; Penman I; Ardill JES; McColl KEL, 1996, 'Marked rebound acid hypersecretion after treatment with ranitidine', American Journal of Gastroenterology, 91, pp. 355 - 359

Graham DY; El-Omar E; Gillen G; McColl KEL, 1996, 'Gastrin-releasing peptide, acid secretion, Helicobacter pylori, and duodenal ulcer: Another epiphenomenon? [4]', Gastroenterology, 110, pp. 1325 - 1326, http://dx.doi.org/10.1053/gast.1996.v110.agast961325

Banerjee S; El-Omar E; Mowat A; Ardill JES; Park RHR; Watson W; Beattie AD; McColl KEL, 1996, 'Sucralfate suppresses Helicobacter pylori infection and reduces gastric acid secretion by 50% in patients with duodenal ulcer', Gastroenterology, 110, pp. 717 - 724, http://dx.doi.org/10.1053/gast.1996.v110.pm8608880

El-Omar EM; Banerjee S; Wirz A; McColl KEL, 1996, 'The Glasgow Dyspepsia Severity Score - A tool for the global measurement of dyspepsia', European Journal of Gastroenterology and Hepatology, 8, pp. 967 - 971, http://dx.doi.org/10.1097/00042737-199610000-00006

El-Omar E; Penman I; Ardill JES; McColl KEL, 1995, 'A substantial proportion of non-ulcer dyspepsia patients have the same abnormality of acid secretion as duodenal ulcer patients', Gut, 36, pp. 534 - 538, http://dx.doi.org/10.1136/gut.36.4.534

McCOLL KEL; EL‐OMAR E, 1995, 'Gastrin releasing peptide and its value in assessing gastric secretory function', Alimentary Pharmacology & Therapeutics, 9, pp. 341 - 347, http://dx.doi.org/10.1111/j.1365-2036.1995.tb00392.x

El-Omar EM; Penman ID; Ardill JES; Chittajallu RS; Howie C; McColl KEL, 1995, 'Helicobacter pylori infection and abnormalities of acid secretion in patients with duodenal ulcer disease', Gastroenterology, 109, pp. 681 - 691, http://dx.doi.org/10.1016/0016-5085(95)90374-7

Penman ID; El-Omar E; McColl KEL, 1995, 'Reply', Gastroenterology, 108, pp. 619, http://dx.doi.org/10.1016/0016-5085(95)90114-0

El-Omar E; Wirz A; McColl KEL, 1995, 'Effect of H pylori eradication on the severity of dyspeptic symptoms in du patients - a one year follow up study', Gastroenterology, 108, pp. A88 - A88, http://dx.doi.org/10.1016/0016-5085(95)23016-5

El-Omar E; Banerjee S; Wirz A; McColl KEL, 1995, 'H pylori infection and dyspepsia within the general population', Gastroenterology, 108, pp. A88 - A88, http://dx.doi.org/10.1016/0016-5085(95)23015-7

McColl KEL; El-Omar E; Banerjee S; Savarino V; Vigneri S; Sandro Mela G; Termini R; Celle G; Goddard AF, 1994, 'Duodenal ulcer healing drugs', The Lancet, 343, pp. 915 - 916, http://dx.doi.org/10.1016/S0140-6736(94)90033-7

Louw JA; Marks IN; El-Omar E; McColl K, 1994, 'Helicobacter pylori eradication, duodenal ulcer healing, and gastric secretory state [1]', Gut, 35, pp. 571, http://dx.doi.org/10.1136/gut.35.4.571

El-Omar E; Penman I; Cruikshank G; Dover S; Banerjee S; Williams C; McColl KEL, 1994, 'Low prevalence of Helicobacter pylori in inflammatory bowel disease: Association with sulphasalazine', Gut, 35, pp. 1385 - 1388, http://dx.doi.org/10.1136/gut.35.10.1385

Penman ID; El-Omar E; Ardill JES; McGregor JR; Galloway DJ; O'Dwyer PJ; McColl KEL, 1994, 'Plasma gastrin concentrations are normal in patients with colorectal neoplasia and unaltered following tumor resection', Gastroenterology, 106, pp. 1263 - 1270, http://dx.doi.org/10.1016/0016-5085(94)90018-3

El-Omar EM; Penman ID; Spence E; Ardill JES; McColl KEL, 1994, 'The GRP test: A new clinical test of acid secretion — reproducibility data', European Journal of Gastroenterology and Hepatology, 6, pp. 417 - 421

, 1994, 'Reply', Gut, 35, pp. 571 - 571, http://dx.doi.org/10.1136/gut.35.4.571-a

McColl KEL; El-Nujumi AM; Chittajallu RS; Dahill SW; Dorrian CA; El-Omar E; Penman I; Fitzsimons EJ; Drain J; Graham H; Ardill JES; Bessent R, 1993, 'A study of the pathogenesis of Helicobacter pylon negative chronic duodenal ulceration', Gut, 34, pp. 762 - 768

El-Omar E; Penman I; Dorrian CA; Ardill JES; McColl KEL, 1993, 'Eradicating Helicobacter pylon infection lowers gastrin mediated acid secretion by two thirds in patients with duodenal ulcer', Gut, 34, pp. 1060 - 1065, http://dx.doi.org/10.1136/gut.34.8.1060

Penman ID; El-Omar E; McGregor JR; Hillan KJ; O'Dwyer PJ; McColl KEL, 1993, 'Omeprazole inhibits colorectal carcinogenesis induced by azoxymethane in rats', Gut, 34, pp. 1559 - 1565, http://dx.doi.org/10.1136/gut.34.11.1559

Anthony R; El‐Omar E; Lappin DF; Macsween RNM; Whaley K, 1989, 'Regulation of hepatic synthesis of C3 and C4 during the acute‐phase response in the rat', European Journal of Immunology, 19, pp. 1405 - 1412, http://dx.doi.org/10.1002/eji.1830190809

McColl K; Thompson G; el Omar E; Moore M; Park B; Brodie M, 1987, 'Effect of rifampicin on haem and bilirubin metabolism in man.', British Journal of Clinical Pharmacology, 23, pp. 553 - 559, http://dx.doi.org/10.1111/j.1365-2125.1987.tb03091.x

McColl KEL; Thompson GG; Omar EEL; Moore MR; Goldberg A, 1987, 'Porphyrin metabolism and haem biosynthesis in Gilbert's syndrome', Gut, 28, pp. 125 - 130

Conference Papers

Shen S; Jackson M; Khatiwada S; Raposo A; Vijayan A; Rajapakse J; El-Omar E; Behary J; Zekry A, 2023, 'IDDF2023-ABS-0223 Modulating the gut microbiota alters the gut-liver immune environment in a preclinical model of HCC', in Gut – IDDF Young Investigator Award, BMJ Publishing Group Ltd and British Society of Gastroenterology, presented at Abstracts of the International Digestive Disease Forum (IDDF), Hong Kong, 10–11 June 2023, http://dx.doi.org/10.1136/gutjnl-2023-iddf.6

Pandey D; Szcczesniak M; Maclean J; Zhang F; Yim H; El-Omar E; Graham P; Wu P, 2023, 'IDDF2023-ABS-0249 Implications of oro-pharyngeal dysbiosis in head and neck cancer: oral microbiome and chemoradiation-related complications', in Basic Gastroenterology, BMJ Publishing Group Ltd and British Society of Gastroenterology, presented at Abstracts of the International Digestive Disease Forum (IDDF), Hong Kong, 10–11 June 2023, http://dx.doi.org/10.1136/gutjnl-2023-iddf.101

Zhao R; Coker O; Wu J; Zhao L; Nakatsu G; Bian X; Sung J; Chan F; El-Omar E, 2019, 'IDDF2019-ABS-0188 Gut microbiota modulates the chemopreventive efficacy of aspirin on colorectal cancer through impact on aspirin bioavailability', in Basic gastroenterology, BMJ Publishing Group Ltd and British Society of Gastroenterology, presented at International Digestive Disease Forum (IDDF) 2019, Hong Kong, 8–9 June 2019, http://dx.doi.org/10.1136/gutjnl-2019-iddfabstracts.36

Chen C-C; Liou J-M; Fang Y-J; Lin J-T; El-Omar E; Wu M-S, 2019, 'IDDF2019-ABS-0213 Long-term changes of gut microbiota, antibiotic resistance, and metabolic parameters after helicobacter pylori eradication- a multicentre randomised trial', in Gut – IDDF Young Investigator Award, BMJ Publishing Group Ltd and British Society of Gastroenterology, presented at International Digestive Disease Forum (IDDF) 2019, Hong Kong, 8–9 June 2019, http://dx.doi.org/10.1136/gutjnl-2019-iddfabstracts.9

Liou J-M; Chen P-Y; Luo J-C; Lee J-Y; Fang Y-J; Yang T-H; Chang C-Y; Bair M-J; Lin J-T; El-Omar EM; Wu M-S, 2018, 'Efficacies of genotypic resistance-guided versus empirical therapy for refractory Helicobacter pylori infection: A randomized controlled trial', in JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY, WILEY, pp. 80 - 80, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000450260400094&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Gemmell M; Hsu T; Berry SH; Mukhopadhya I; Hansen R; Michaud M; El-Omar EM; Nielsen HL; Nielsen H; Huttenhower C; Garrett W; Hold GL, 2017, 'ELUCIDATING THE PATHOGENIC POTENTIAL OF THE INTESTINAL PATHOGEN CAMPYLOBACTER SHOWAE', in GUT, BMJ PUBLISHING GROUP, ENGLAND, Manchester, pp. A138 - A138, presented at Annual General Meeting of the British-Society-of-Gastroenterology (BSG), ENGLAND, Manchester, 19 June 2017 - 22 June 2017, http://dx.doi.org/10.1136/gutjnl-2017-314472.271

Mukhopadhya I; Murray G; Duncan L; Yuecel R; Shattock R; Kelly C; Iannelli F; Pozzi G; El-Omar E; Hold G; Hijazi K, 2016, 'Transporters for Antiretroviral Drugs in Colorectal CD4+T Cells and Circulating alpha 4 beta 7 Integrin CD4+T Cells: Implications for HIV Microbicides', in AIDS RESEARCH AND HUMAN RETROVIRUSES, MARY ANN LIEBERT, INC, IL, Chicago, pp. 353 - 353, presented at Conference on HIV Research for Prevention (HIV R4P), IL, Chicago, 17 October 2016 - 20 October 2016, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000386774600656&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Ferrand J; Hold GL; Ferrero RL; El-Omar EM; Gantier M, 2016, 'Toll-like receptor 8 polymorphisms in Helicobacter pylori infection', in EUROPEAN JOURNAL OF IMMUNOLOGY, WILEY-BLACKWELL, AUSTRALIA, Melbourne, pp. 637 - 637, presented at International Congress of Immunology (ICI), AUSTRALIA, Melbourne, 21 August 2016 - 26 August 2016, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000383610401470&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Hay A; Christopoulou CA; Murray GI; El-Omar EM; Hold GL; McLean MH, 2016, 'CYTOPLASMIC EXPRESSION OF HMGB1 IS ASSOCIATED WITH EARLY COLORECTAL CARCINOGENESIS', in GUT, BMJ PUBLISHING GROUP, pp. A192 - A192, http://dx.doi.org/10.1136/gutjnl-2016-312388.354

Mukhopadhya I; Berry S; El-Omar EM; Thomson J; Hold GL; Hijazi K, 2014, 'Characterisation of Drug Transporter Gene Expression in Colorectal Tissue and Cell Lines: Induction with Anti-retrovirals for Microbicide Optimization', in AIDS RESEARCH AND HUMAN RETROVIRUSES, MARY ANN LIEBERT, INC, SOUTH AFRICA, Cape Town, pp. A201 - A201, presented at Symposium on HIV Research for Prevention (HIV R4P), SOUTH AFRICA, Cape Town, 28 October 2014 - 31 October 2014, http://dx.doi.org/10.1089/aid.2014.5433.abstract

Adams AT; Kennedy NA; Hansen R; Ventham NT; O'Leary KR; Drummond HE; Noble CL; El-Omar E; Russell RK; Wilson DC; Nimmo ER; Hold GL; Satsangi J, 2014, 'GENOME-WIDE EPIGENETIC ANALYSIS IN CHILDHOOD-ONSET CROHN'S DISEASE IMPLICATES MIR21', in GUT, BMJ PUBLISHING GROUP, ENGLAND, Manchester, pp. A2 - A2, presented at Annual Meeting of the British-Society-of-Gastroenterology (BSG), ENGLAND, Manchester, 16 June 2014 - 19 June 2014, http://dx.doi.org/10.1136/gutjnl-2014-307263.3

Lochhead PJ; Mayer C-D; Hold GL; El-Omar E, 2014, 'Genome-Wide Analysis of DNA Methylation in Low-Grade Colorectal Adenomas and Normal Colonic Mucosa', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, IL, Chicago, pp. S165 - S165, presented at 55th Annual Meeting of the Society-for-Surgery-of-the-Alimentary-Tract (SSAT) / Digestive Disease Week (DDW), IL, Chicago, 03 May 2014 - 06 May 2014, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000371236400587&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Hold G; Hope M; Lochhead P; Meharg C; Berry S; El-Omar E, 2013, 'ASSESSMENT OF BACTERIAL DIVERSITY IN COLORECTAL ADENOMATOUS POLYPS', in GUT, BMJ PUBLISHING GROUP, SCOTLAND, Glasgow, pp. A134 - A135, presented at Annual General Meeting of the British-Society-of-Gastroenterology, SCOTLAND, Glasgow, 24 June 2013 - 27 June 2013, http://dx.doi.org/10.1136/gutjnl-2013-304907.301

Smith C; Thompson JM; Vijayan B; Fraser A; El-Omar EM; Leeds JS, 2013, 'DEVELOPMENT AND INITIAL VALIDATION OF PROGNOSTIC SCORING SYSTEMS FOR LOWER GASTROINTESTINAL BLEEDING', in GUT, BMJ PUBLISHING GROUP, SCOTLAND, Glasgow, pp. A57 - A57, presented at Annual General Meeting of the British-Society-of-Gastroenterology, SCOTLAND, Glasgow, 24 June 2013 - 27 June 2013, http://dx.doi.org/10.1136/gutjnl-2013-304907.127

Watt E; Berry S; Farquarson F; Glaire M; Thomson J; El-Omar E; Louis P; Hold G, 2013, 'EVALUATION OF FAECAL ASPIRATE AS A PROXY FOR COLONOSCOPY BIOPSY SAMPLING TO ASSESS MICROBIAL DIVERSITY', in GUT, BMJ PUBLISHING GROUP, SCOTLAND, Glasgow, pp. A135 - A135, presented at Annual General Meeting of the British-Society-of-Gastroenterology, SCOTLAND, Glasgow, 24 June 2013 - 27 June 2013, http://dx.doi.org/10.1136/gutjnl-2013-304907.302

Hansen R; Berry S; Mukhopadhya I; Thomson J; Saunders K; Nicholl C; Bisset M; Russell R; El-Omar E; Hold G, 2013, 'THE MICROAEROPHILIC MICROBIOTA OF DE-NOVO PAEDIATRIC INFLAMMATORY BOWEL DISEASE: THE BISCUIT STUDY', in GUT, BMJ PUBLISHING GROUP, SCOTLAND, Glasgow, pp. A31 - A31, presented at Annual General Meeting of the British-Society-of-Gastroenterology, SCOTLAND, Glasgow, 24 June 2013 - 27 June 2013, http://dx.doi.org/10.1136/gutjnl-2013-304907.071

Hansen R; Mukhopadhya I; Meharg C; Russell R; Berry S; El-Omar E; Hold G, 2013, 'THE ROLE OF THE FUNGAL MICROBIOTA IN THE PATHOGENESIS OF DE-NOVO PAEDIATRIC INFLAMMATORY BOWEL DISEASE USING NEXT GENERATION SEQUENCING', in GUT, BMJ PUBLISHING GROUP, SCOTLAND, Glasgow, pp. A32 - A32, presented at Annual General Meeting of the British-Society-of-Gastroenterology, SCOTLAND, Glasgow, 24 June 2013 - 27 June 2013, http://dx.doi.org/10.1136/gutjnl-2013-304907.073

Hold GL; Hope M; Lochhead P; Meharg C; Berry SH; El-Omar E, 2013, 'Assessment of Bacterial Diversity in Colorectal Adenomatous Polyps', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, FL, Orlando, pp. S348 - S348, presented at Digestive Disease Week / 28th Annual Residents and Fellows Research Conference of the Society-for-Surgery-of-the-Alimentary-Tract (SSAT), FL, Orlando, 18 May 2013 - 21 May 2013, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000322997202052&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Watt E; Berry SH; Farquharson F; Glaire MA; Thomson JM; El-Omar E; Louis P; Hold GL, 2013, 'Evaluation of Fecal Aspirate As a Proxy for Colonoscopy Biopsy Sampling to Assess Microbial Diversity', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, FL, Orlando, pp. S832 - S832, presented at Digestive Disease Week / 28th Annual Residents and Fellows Research Conference of the Society-for-Surgery-of-the-Alimentary-Tract (SSAT), FL, Orlando, 18 May 2013 - 21 May 2013, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000322997204604&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Hansen R; Mukhopadhya I; Meharg C; Russell RK; Berry SH; El-Omar E; Hold GL, 2013, 'The Role of the Fungal Microbiota in the Pathogenesis of De-Novo Pediatric Inflammatory Bowel Disease Using Next Generation Sequencing', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, FL, Orlando, pp. S826 - S826, presented at Digestive Disease Week / 28th Annual Residents and Fellows Research Conference of the Society-for-Surgery-of-the-Alimentary-Tract (SSAT), FL, Orlando, 18 May 2013 - 21 May 2013, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000322997204579&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1

Palmer AJ; Lochhead P; Hold GL; Rabkin CS; Vaughan TL; Lissowska J; Chow W-H; Berry SH; El-Omar E, 2012, 'Genetic Variation in C20orf54, PLCE1 and MUC1 and Risk of Upper Gastrointestinal Cancers in Caucasian Populations', in GASTROENTEROLOGY, W B SAUNDERS CO-ELSEVIER INC, CA, San Diego, pp. S634 - S634, presented at Digestive Disease Week (DDW), CA, San Diego, 19 May 2012 - 22 May 2012, https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000306994303424&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=891bb5ab6ba270e68a29b250adbe88d1


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