John MacSharry

6.0k citations

104 papers · 4.4k indexed · 3 hit papers · h-index 32

Impact in

Gastroenterology top 1%
- Gastrointestinal motility and disorders
Food Science top 0.5%
- Probiotics and Fermented Foods

Papers in ⓘ

Clinical Psychology 25
- Family and Disability Support Research 18
- Child and Adolescent Psychosocial and Emotional Development 17
Food Science 20
- Probiotics and Fermented Foods 19

Co-authors: Fergus Shanahan (27 shared papers)Douwe van Sinderen (14 shared papers)Liam O’Mahony (12 shared papers)Silvia Melgar (9 shared papers)Cormac G. M. Gahan (5 shared papers)Mary O’Connell Motherway (5 shared papers)Mònica Aguilera (1 shared paper)Susan A. Joyce (4 shared papers)
Journals: Gastroenterology (6 papers)Frontiers in Immunology (3 papers)Applied and Environmental Microbiology (3 papers)Immunology (3 papers)Journal of Prosthetic Dentistry (3 papers)
Partner nations: Ireland United Kingdom Canada

In The Last Decade

John MacSharry

97 papers receiving 4.2k citations

Hit Papers

align trajectories log scale

The Impact of Western Diet and Nutrients on the Microbiota and Immune Response at Mucosal Interfaces 2017 · 346 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2017 Frontiers in Immunology
2014 Proceedings of the National Academy of Sciences
2012 Proceedings of the National Academy of Sciences

Peers

Countries citing papers authored by John MacSharry

Since Specialization

Citations

This map shows the geographic impact of John MacSharry's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John MacSharry with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John MacSharry more than expected).

Fields of papers citing papers by John MacSharry

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John MacSharry. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John MacSharry. The network helps show where John MacSharry may publish in the future.

Co-authors

The 25 scholars most cited alongside John MacSharry, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John MacSharry Line = papers co-authored together John MacSharry links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 104 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Regulation of host weight gain and lipid metabolism by bacterial bile acid modification in the gut Proceedings of the National Academy of Sciences ·Susan A. Joyce, John MacSharry, Patrick G. Casey, Michael Kinsella, Eileen F. Murphy, Fergus Shanahan, Colin Hill, Cormac G. M. Gahan Hit paper breakdown →	2014	462
2	Bifidobacterial surface-exopolysaccharide facilitates commensal-host interaction through immune modulation and pathogen protection Proceedings of the National Academy of Sciences ·Saranna Fanning, Lindsay J. Hall, Michelle Cronin, Aldert Zomer, John MacSharry, David Goulding, Mary O’Connell Motherway, Fergus Shanahan, Kenneth Nally, Gordon Dougan, Douwe van Sinderen Hit paper breakdown →	2012	427
3	The Impact of Western Diet and Nutrients on the Microbiota and Immune Response at Mucosal Interfaces Frontiers in Immunology ·Donjete Statovci, Mònica Aguilera, John MacSharry, Silvia Melgar Hit paper breakdown →	2017	346
4	Commensal-Induced Regulatory T Cells Mediate Protection against Pathogen-Stimulated NF-κB Activation PLoS Pathogens ·Cáitlín O’Mahony, Paul Scully, David O’Mahony, Sharon Murphy, Frances O’Brien, Anne Lyons, Graham Sherlock, John MacSharry, Barry Kiely, Fergus Shanahan, Liam O’Mahony	2008	303
5	Functional modulation of human intestinal epithelial cell responses by Bifidobacterium infantis and Lactobacillus salivarius Immunology ·Ann M. O’Hara, P O'Regan, Á Fanning, Cáitlín O’Mahony, John MacSharry, Anne Lyons, John Bienenstock, Liam O’Mahony, Fergus Shanahan	2006	226
6	Bacterial strain‐specific induction of Foxp3⁺ T regulatory cells is protective in murine allergy models Clinical & Experimental Allergy ·Anne Lyons, David O’Mahony, Frances O’Brien, John MacSharry, Barbara Sheil, M. A. Ceddia, W. M. S. Russell, Paul Forsythe, John Bienenstock, Barry Kiely, Fergus Shanahan, Liam O’Mahony	2010	182
7	Differential Expression of Toll-Like Receptors in Patients With Irritable Bowel Syndrome The American Journal of Gastroenterology ·Elizabeth Brint, John MacSharry, Á Fanning, Fergus Shanahan, Eamonn M.M. Quigley	2010	177
8	Host–microbe interactions that facilitate gut colonization by commensal bifidobacteria Trends in Microbiology ·Marco Ventura, Francesca Turroni, Mary O’Connell Motherway, John MacSharry, Douwe van Sinderen	2012	153
9	Mucosal cytokine imbalance in irritable bowel syndrome Scandinavian Journal of Gastroenterology ·John MacSharry, Liam O’Mahony, Á Fanning, Emer Bairead, Graham Sherlock, Jay P. Tiesman, Andy Fulmer, Barry Kiely, Timothy G. Dinan, Fergus Shanahan, Eamonn M.M. Quigley	2008	144
10	Unconjugated Bile Acids Influence Expression of Circadian Genes: A Potential Mechanism for Microbe-Host Crosstalk PLoS ONE ·Kalaimathi Govindarajan, John MacSharry, Patrick G. Casey, Fergus Shanahan, Susan A. Joyce, Cormac G. M. Gahan	2016	106
11	Bifidobacterial Dialogue With Its Human Host and Consequent Modulation of the Immune System Frontiers in Immunology ·Giulia Alessandri, Maria Cristina Ossiprandi, John MacSharry, Douwe van Sinderen, Marco Ventura	2019	92
12	A randomized controlled trial of an internet-delivered treatment: Its potential as a low-intensity community intervention for adults with symptoms of depression Behaviour Research and Therapy ·Derek Richards, Ladislav Timulák, Emma O’Brien, Claire Hayes, Noemi Viganò, John MacSharry, Gavin Doherty	2015	87
13	Identification of TLR10 as a Key Mediator of the Inflammatory Response to Listeria monocytogenes in Intestinal Epithelial Cells and Macrophages The Journal of Immunology ·Tim Regan, Kenneth Nally, Ruaidhrı́ J. Carmody, Aileen Houston, Fergus Shanahan, John MacSharry, Elizabeth Brint	2013	83
14	Cellodextrin Utilization by Bifidobacterium breve UCC2003 Applied and Environmental Microbiology ·Karina Pokusaeva, Mary O’Connell Motherway, Aldert Zomer, John MacSharry, Gerald F. Fitzgerald, Douwe van Sinderen	2011	70
15	Differential expression of key regulators of Toll-like receptors in ulcerative colitis and Crohn's disease: a role for Tollip and peroxisome proliferator-activated receptor gamma? Clinical & Experimental Immunology ·Pedro Fernandes, John MacSharry, Trevor Darby, Á Fanning, Fergus Shanahan, Aileen Houston, Elizabeth Brint	2015	61
16	The influence of rosuvastatin on the gastrointestinal microbiota and host gene expression profiles American Journal of Physiology-Gastrointestinal and Liver Physiology ·James A. Nolan, Peter Skuse, K. Govindarajan, Elaine Patterson, Nina Konstantinidou, Patrick G. Casey, John MacSharry, Fergus Shanahan, Catherine Stanton, Colin Hill, Paul D. Cotter, Susan A. Joyce, Cormac G. M. Gahan	2017	58
17	Role of interleukin (IL-10) in probiotic-mediated immune modulation: an assessment in wild-type and IL-10 knock-out mice Clinical & Experimental Immunology ·Barbara Sheil, John MacSharry, L O'Callaghan, Alan O’Riordan, Allison Waters, John G. Morgan, John Collins, Liam O’Mahony, Fergus Shanahan	2006	53
18	An Evaluation of the Parents Plus Early Years Programme: A Video-based Early Intervention for Parents of Pre-school Children with Behavioural and Developmental Difficulties Clinical Child Psychology and Psychiatry ·John MacSharry, Suzanne Guérin, Claire Griffin, Michael Drumm	2005	52
19	Ribose utilization by the human commensal Bifidobacterium breve UCC2003 Microbial Biotechnology ·Karina Pokusaeva, Ana Rute Neves, Aldert Zomer, Mary O’Connell Motherway, John MacSharry, Peter Curley, Gerald F. Fitzgerald, Douwe van Sinderen	2009	48
20	The Microbiome and the Pathophysiology of Asthma Respiratory Research ·Ashley Sullivan, Eoin Hunt, John MacSharry, Desmond M. Murphy	2016	48

About John MacSharry

John MacSharry is a scholar working on Clinical Psychology, Food Science, Emergency Medical Services, Gastroenterology and Endocrinology, having authored 104 papers that have together received 4.4k indexed citations. Recurring topics across this work include Gut microbiota and health (23 papers), Probiotics and Fermented Foods (19 papers), Family and Disability Support Research (18 papers), Child and Adolescent Psychosocial and Emotional Development (17 papers), Asthma and respiratory diseases (12 papers), Helicobacter pylori-related gastroenterology studies (8 papers), Immune Response and Inflammation (8 papers) and Pediatric health and respiratory diseases (7 papers). The work is most often cited by research in Gastroenterology (534 citations), Food Science (1.1k citations), Nutrition and Dietetics (559 citations), Biological Psychiatry (89 citations) and Molecular Biology (2.2k citations). John MacSharry has collaborated with scholars based in Ireland, United Kingdom and Canada. Frequent co-authors include Fergus Shanahan, Douwe van Sinderen, Liam O’Mahony, Silvia Melgar, Cormac G. M. Gahan, Mary O’Connell Motherway, Mònica Aguilera, Susan A. Joyce, Á Fanning and Patrick G. Casey. Their work appears in journals such as Gastroenterology, Frontiers in Immunology, Applied and Environmental Microbiology, Immunology and Journal of Prosthetic Dentistry.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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