James A. Harker

3.4k total citations · 1 hit paper
46 papers, 2.6k citations indexed

About

James A. Harker is a scholar working on Immunology, Epidemiology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, James A. Harker has authored 46 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Immunology, 15 papers in Epidemiology and 11 papers in Pulmonary and Respiratory Medicine. Recurrent topics in James A. Harker's work include Immune Cell Function and Interaction (29 papers), Respiratory viral infections research (13 papers) and Neonatal Respiratory Health Research (10 papers). James A. Harker is often cited by papers focused on Immune Cell Function and Interaction (29 papers), Respiratory viral infections research (13 papers) and Neonatal Respiratory Health Research (10 papers). James A. Harker collaborates with scholars based in United Kingdom, United States and Canada. James A. Harker's co-authors include Elina I. Zúñiga, Gavin Lewis, Peter Openshaw, John S. Tregoning, Lauren Mack, Clare M. Lloyd, Belinda Wang, Yuko Yamaguchi, Mónica Macal and Jürgen Schwarze and has published in prestigious journals such as Science, New England Journal of Medicine and Proceedings of the National Academy of Sciences.

In The Last Decade

James A. Harker

45 papers receiving 2.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Immuno-proteomic profiling reveals aberrant immune cell regulation in the airways of individuals with ongoing post-COVID-19 respiratory disease

2022 108 citations Poonam Ghai, Richard Hewitt et al. Immunity profile →

Peers

James A. Harker

IMMUN

EPIDE

PRM

Yvonne R. Chan United States

Karen A. Cavassani United States

Stefania Crotta United Kingdom

Suzanne T. Kanaly United States

Wenwei Tu Hong Kong

John Pesce United States

Christophe Paget France

Takashi Ebihara Japan

Bernard Ryffel France

Yvonne R. Chan United States

James A. Harker

1.5k ×1.0

IMMUN

530 ×0.7

EPIDE

587 ×1.3

352 ×0.8

405 ×0.9

PRM

Citations per year, relative to James A. Harker James A. Harker (= 1×) peers Yvonne R. Chan

Countries citing papers authored by James A. Harker

Since Specialization

Citations

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

Fields of papers citing papers by James A. Harker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of James A. Harker

This figure shows the co-authorship network connecting the top 25 collaborators of James A. Harker. A scholar is included among the top collaborators of James A. Harker based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with James A. Harker. James A. Harker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Walker, Simone A., et al.. (2025). T follicular helper cells drive functionally distinct lymphoid and lung resident germinal centres and limit allergic airway disease. Mucosal Immunology. 19(1). 1481–1495.

Harker, James A., et al.. (2025). Autoimmunity in long COVID. Journal of Allergy and Clinical Immunology. 155(4). 1082–1094. 6 indexed citations

Harker, James A., et al.. (2024). Mechanisms of antibody mediated immunity – Distinct in early life. The International Journal of Biochemistry & Cell Biology. 172. 106588–106588. 2 indexed citations

Harker, James A., et al.. (2023). IL-6 and IL-27 play both distinct and redundant roles in regulating CD4 T-cell responses during chronic viral infection. Frontiers in Immunology. 14. 1221562–1221562. 5 indexed citations

Harker, James A. & Clare M. Lloyd. (2023). T helper 2 cells in asthma. The Journal of Experimental Medicine. 220(6). 66 indexed citations

Groves, Helen, et al.. (2021). Enhanced IL-2 in early life limits the development of TFH and protective antiviral immunity. The Journal of Experimental Medicine. 218(12). 16 indexed citations

Berger, Hélène, Cédric Rébé, Elise Ballot, et al.. (2021). Follicular helper-T cells restore CD8⁺-dependent antitumor immunity and anti-PD-L1/PD-1 efficacy. Journal for ImmunoTherapy of Cancer. 9(6). e002157–e002157. 79 indexed citations

Ghai, Poonam, Rachele Invernizzi, Richard Hewitt, et al.. (2021). Autoantibodies are present in the bronchoalveolar lavage but not circulation in patients with fibrotic interstitial lung disease. ERJ Open Research. 8(1). 481–2021. 7 indexed citations

Harker, James A. & Clare M. Lloyd. (2021). Overlapping and distinct features of viral and allergen immunity in the human lung. Immunity. 54(4). 617–631. 15 indexed citations

10.

Vuononvirta, Juho, John B. G. Mackey, Charlotte Dean, et al.. (2021). Lung Marginated and Splenic Murine Resident Neutrophils Constitute Pioneers in Tissue-Defense During Systemic E. coli Challenge. Frontiers in Immunology. 12. 597595–597595. 13 indexed citations

11.

Beloueche‐Babari, Mounia, et al.. (2020). Monocarboxylate transporter 1 blockade with AZD3965 inhibits lipid biosynthesis and increases tumour immune cell infiltration. British Journal of Cancer. 122(6). 895–903. 92 indexed citations

12.

Ling, Guang Sheng, Greg Crawford, Norzawani B Buang, et al.. (2018). C1q restrains autoimmunity and viral infection by regulating CD8 ⁺ T cell metabolism. Science. 360(6388). 558–563. 136 indexed citations

13.

Greczmiel, Ute, Nike Julia Kräutler, Alessandro Pedrioli, et al.. (2017). Sustained T follicular helper cell response is essential for control of chronic viral infection. Science Immunology. 2(18). 59 indexed citations

14.

Harker, James A., et al.. (2017). Early IL-6 signalling promotes IL-27 dependent maturation of regulatory T cells in the lungs and resolution of viral immunopathology. PLoS Pathogens. 13(9). e1006640–e1006640. 102 indexed citations

15.

Taylor, Alison, et al.. (2016). Glycogen Synthase Kinase 3 Inactivation Drives T-bet-Mediated Downregulation of Co-receptor PD-1 to Enhance CD8+ Cytolytic T Cell Responses. Immunity. 44(2). 274–286. 142 indexed citations

16.

Harker, James A., et al.. (2013). Cell-Intrinsic IL-27 and gp130 Cytokine Receptor Signaling Regulates Virus-Specific CD4+ T Cell Responses and Viral Control during Chronic Infection. Immunity. 39(3). 548–559. 61 indexed citations

17.

Macal, Mónica, Gavin Lewis, Stefan Kunz, et al.. (2012). Plasmacytoid Dendritic Cells Are Productively Infected and Activated through TLR-7 Early after Arenavirus Infection. Cell Host & Microbe. 11(6). 617–630. 67 indexed citations

18.

Telcian, Aurica G., Vasile Laza‐Stanca, Michael R. Edwards, et al.. (2010). RSV-Induced Bronchial Epithelial Cell PD-L1 Expression Inhibits CD8+ T Cell Nonspecific Antiviral Activity. The Journal of Infectious Diseases. 203(1). 85–94. 61 indexed citations

19.

Openshaw, Peter, John S. Tregoning, & James A. Harker. (2005). RSV 2005: Global Impact, Changing Concepts, and New Challenges. Viral Immunology. 18(4). 749–751. 5 indexed citations

20.

Wiles, Siouxsie, Simon Clare, James A. Harker, et al.. (2004). Organ specificity, colonization and clearance dynamics in vivo following oral challenges with the murine pathogen Citrobacter rodentium. Cellular Microbiology. 6(10). 963–972. 176 indexed citations

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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