A. John Simpson

9.5k citations

145 papers · 5.1k · 1 hit paper · h-index 38

Impact in

Critical Care and Intensive Care Medicine top 0.5%
- Nosocomial Infections in ICU
Microbiology top 1%
- Antimicrobial Peptides and Activities

Papers in

Pulmonary and Respiratory Medicine 38
- Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis 13
- Respiratory Support and Mechanisms 7
Immunology 32
- Immune Response and Inflammation 18
- Neutrophil, Myeloperoxidase and Oxidative Mechanisms 9

Co-authors: Christopher Haslett (11 shared papers)Andrew Conway Morris (32 shared papers)Thomas S. Wilkinson (15 shared papers)Chris Haslett (10 shared papers)Alison C. MacKinnon (5 shared papers)Kevin Dhaliwal (21 shared papers)Tariq Sethi (3 shared papers)Jean‐Michel Sallenave (9 shared papers)
Journals: Thorax (23 papers)American Journal of Respiratory and Critical Care Medicine (12 papers)BMJ Open (5 papers)Respiratory Medicine (4 papers)BMJ Open Respiratory Research (3 papers)
Partner nations: United Kingdom United States Canada

In The Last Decade

A. John Simpson

140 papers receiving 5.0k citations

A. John Simpson's Hit Papers

align trajectories log scale

Ly6Chi Monocytes Direct Alternatively Activated Profibrotic Macrophage Regulation of Lung Fibrosis 2011 · 380 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.

2011 American Journal of Respiratory and Critical Care Medicine

Peers

Countries citing papers authored by A. John Simpson

Since Specialization

Citations

This map shows the geographic impact of A. John Simpson'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 A. John Simpson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. John Simpson more than expected).

Fields of papers citing papers by A. John Simpson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. John Simpson. 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 A. John Simpson. The network helps show where A. John Simpson may publish in the future.

Co-authors

The 25 scholars most cited alongside A. John Simpson, 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 A. John Simpson Line = papers co-authored together A. John Simpson 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 145 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Regulation of Transforming Growth Factor-β1–driven Lung Fibrosis by Galectin-3 American Journal of Respiratory and Critical Care Medicine ·Alison C. MacKinnon, Michael Gibbons, Sarah L. Farnworth, Hakon Leffler, Ulf J. Nilsson, Tamara Delaine, A. John Simpson, Stuart J. Forbes, Nik Hirani, Jack Gauldie, Tariq Sethi	2011	418
2	Ly6Chi Monocytes Direct Alternatively Activated Profibrotic Macrophage Regulation of Lung Fibrosis American Journal of Respiratory and Critical Care Medicine ·Michael Gibbons, Alison C. MacKinnon, Prakash Ramachandran, Kevin Dhaliwal, Rodger Duffin, Alexander Phythian‐Adams, Nico van Rooijen, Christopher Haslett, Sarah Howie, A. John Simpson, Nikhil Hirani, Jack Gauldie, John P. Iredale, Tariq Sethi, Stuart J. Forbes Hit paper breakdown →	2011	380
3	Recent human-to-poultry host jump, adaptation, and pandemic spread of Staphylococcus aureus Proceedings of the National Academy of Sciences ·Bethan V. Lowder, Caitriona M. Guinane, Nouri L. Ben Zakour, Lucy A. Weinert, Andrew Conway Morris, Robyn A. Cartwright, A. John Simpson, Andrew Rambaut, Ulrich Nübel, J. Ross Fitzgerald	2009	334
4	A Randomized Controlled Trial of Nebulized Gentamicin in Non–Cystic Fibrosis Bronchiectasis American Journal of Respiratory and Critical Care Medicine ·M Murray, John R. W. Govan, Catherine Doherty, A. John Simpson, Thomas S. Wilkinson, James D. Chalmers, A P Greening, Christopher Haslett, Adam T. Hill	2010	229
5	Elafin (elastase‐specific inhibitor) has anti‐microbial activity against Gram‐positive and Gram‐negative respiratory pathogens FEBS Letters ·A. John Simpson, Alison Maxwell, J. R. W. Govan, Chris Haslett, Jean‐Michel Sallenave	1999	175
6	Respiratory Complications of Organophosphorus Nerve Agent and Insecticide Poisoning. Implications for Respiratory and Critical Care American Journal of Respiratory and Critical Care Medicine ·Elspeth J. Hulse, James Davies, A. John Simpson, Alfred M. Sciuto, Michael Eddleston	2014	149
7	The human cationic host defense peptide LL-37 mediates contrasting effects on apoptotic pathways in different primary cells of the innate immune system Journal of Leukocyte Biology ·Peter G. Barlow, Yuexin Li, Thomas S. Wilkinson, Dawn M. E. Bowdish, Y. Elaine Lau, Céline Cosseau, Christopher Haslett, A. John Simpson, Robert E. W. Hancock, Donald J. Davidson	2006	140
8	The Toll-like Receptor 3 L412F Polymorphism and Disease Progression in Idiopathic Pulmonary Fibrosis American Journal of Respiratory and Critical Care Medicine ·David N. O’Dwyer, Michelle E. Armstrong, Glenda Trujillo, Gordon Cooke, Michael P. Keane, Padraic G. Fallon, A. John Simpson, Ann Millar, Emmet E. McGrath, Moira K. B. Whyte, Nik Hirani, Cory M. Hogaboam, Seamas C. Donnelly	2013	139
9	Galectin-3 Reduces the Severity of Pneumococcal Pneumonia by Augmenting Neutrophil Function American Journal Of Pathology ·Sarah L. Farnworth, Neil C. Henderson, Alison C. MacKinnon, Kirsten M. Atkinson, (unknown), Kevin Dhaliwal, Katsutoshi Hayashi, A. John Simpson, Adriano G. Rossi, Christopher Haslett, Tariq Sethi	2008	124
10	Validation of the DECAF score to predict hospital mortality in acute exacerbations of COPD Thorax ·Carlos Echevarria, John Steer, Karen Heslop-Marshall, SC Stenton, Peter Hickey, Rodney Hughes, Meme Wijesinghe, RN Harrison, N. Steen, A. John Simpson, GJ Gibson, Stephen C Bourke	2016	104
11	The Intensive Care Society recommended bundle of interventions for the prevention of ventilator-associated pneumonia Journal of the Intensive Care Society ·Thomas P Hellyer, Victoria Ewan, Peter Wilson, A. John Simpson	2016	102
12	The Human Cathelicidin LL-37 Preferentially Promotes Apoptosis of Infected Airway Epithelium American Journal of Respiratory Cell and Molecular Biology ·Peter G. Barlow, Paula E. Beaumont, Céline Cosseau, Annie Mackellar, Thomas S. Wilkinson, Robert E. W. Hancock, Chris Haslett, John R. W. Govan, A. John Simpson, Donald J. Davidson	2010	98
13	C5a Mediates Peripheral Blood Neutrophil Dysfunction in Critically Ill Patients American Journal of Respiratory and Critical Care Medicine ·Andrew Conway Morris, Kallirroi Kefala, Thomas S. Wilkinson, Kevin Dhaliwal, Lesley Farrell, Timothy Walsh, Simon J. MacKenzie, Hamish Reid, Donald J. Davidson, Chris Haslett, Adriano G. Rossi, Jean‐Michel Sallenave, A. John Simpson	2009	95
14	NO-loaded Zn2+-exchanged zeolite materials: A potential bifunctional anti-bacterial strategy Acta Biomaterialia ·Sarah Fox, (unknown), Paul Wheatley, Bo Xiao, Russell E. Morris, A.D. Sutherland, A. John Simpson, Peter G. Barlow, Anthony R. Butler, Ian L. Megson, Adriano G. Rossi	2009	92
15	Monocytes Control Second-Phase Neutrophil Emigration in Established Lipopolysaccharide-induced Murine Lung Injury American Journal of Respiratory and Critical Care Medicine ·Kevin Dhaliwal, Emma Scholefield, David A. Ferenbach, Michael Gibbons, Rodger Duffin, David A. Dorward, Andrew Conway Morris, Duncan C. Humphries, Alison C. MacKinnon, (unknown), William Wallace, Nico van Rooijen, Matthias Mack, Adriano G. Rossi, Donald J. Davidson, Nik Hirani, Jeremy Hughes, Chris Haslett, A. John Simpson	2012	88
16	C5a-mediated neutrophil dysfunction is RhoA-dependent and predicts infection in critically ill patients Blood ·Andrew Conway Morris, Mairi Brittan, Thomas S. Wilkinson, (unknown), Jean Antonelli, Corrienne McCulloch, Laura Barr, Neil McDonald, Kevin Dhaliwal, Richard O. Jones, Annie Mackellar, Christopher Haslett, Alasdair W. Hay, David Swann, Niall Anderson, Ian F. Laurenson, Donald J. Davidson, Adriano G. Rossi, Timothy Walsh, A. John Simpson	2011	86
17	Adenoviral Augmentation of Elafin Protects the Lung Against Acute Injury Mediated by Activated Neutrophils and Bacterial Infection The Journal of Immunology ·A. John Simpson, William Wallace, Mark E. Marsden, John R. W. Govan, David J. Porteous, Chris Haslett, Jean‐Michel Sallenave	2001	81
18	Diagnostic importance of pulmonary interleukin-1 and interleukin-8 in ventilator-associated pneumonia Thorax ·Andrew Conway Morris, Kallirroi Kefala, Thomas S. Wilkinson, Olga Lucia Moncayo-Nieto, Kevin Dhaliwal, Lesley Farrell, Timothy Walsh, Stephen Mackenzie, David Swann, P. J. D. Andrews, N. Anderson, John R. W. Govan, Ian F. Laurenson, H. Reid, Donald J. Davidson, Christopher Haslett, Jean‐Michel Sallenave, A. John Simpson	2009	80
19	Cathelicidin Host Defence Peptide Augments Clearance of Pulmonary Pseudomonas aeruginosa Infection by Its Influence on Neutrophil Function In Vivo PLoS ONE ·Paula E. Beaumont, Brian J. McHugh, Emily Gwyer Findlay, Annie Mackellar, Karen J. Mackenzie, Richard L. Gallo, John R. W. Govan, A. John Simpson, Donald J. Davidson	2014	76
20	Inflammation‐associated remodelling and fibrosis in the lung – a process and an end point International Journal of Experimental Pathology ·William Wallace, Paul M. Fitch, A. John Simpson, Sarah Howie	2006	74

About A. John Simpson

A. John Simpson is a scholar working on Pulmonary and Respiratory Medicine, Immunology, Epidemiology, Critical Care and Intensive Care Medicine and Molecular Biology, having authored 145 papers that have together received 5.1k indexed citations. Recurring topics across this work include Immune Response and Inflammation (18 papers), Nosocomial Infections in ICU (17 papers), Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis (13 papers), Neutrophil, Myeloperoxidase and Oxidative Mechanisms (9 papers), Sepsis Diagnosis and Treatment (8 papers), Respiratory Support and Mechanisms (7 papers), Pneumonia and Respiratory Infections (7 papers) and Pediatric health and respiratory diseases (7 papers). The work is most often cited by research in Critical Care and Intensive Care Medicine (402 citations), Microbiology (452 citations), Immunology (1.2k citations), Pulmonary and Respiratory Medicine (1.6k citations) and Infectious Diseases (448 citations). A. John Simpson has collaborated with scholars based in United Kingdom, United States and Canada. Frequent co-authors include Christopher Haslett, Andrew Conway Morris, Thomas S. Wilkinson, Chris Haslett, Alison C. MacKinnon, Kevin Dhaliwal, Tariq Sethi, Jean‐Michel Sallenave, Jack Gauldie and Michael Gibbons. Their work appears in journals such as Thorax, American Journal of Respiratory and Critical Care Medicine, BMJ Open, Respiratory Medicine and BMJ Open Respiratory Research.

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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A. John Simpson

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In The Last Decade

A. John Simpson

A. John Simpson's Hit Papers

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Fields of papers citing papers by A. John Simpson

All Works

About A. John Simpson

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