Christopher A. O'Callaghan

3.0k citations
9 papers · 2.5k indexed · 1 hit paper · h-index 8

Impact in

  • Immunology top 1%
    • Immune Cell Function and Interaction
    • T-cell and B-cell Immunology
    • Reproductive System and Pregnancy
    • Immunotherapy and Immune Responses
  • Oncology top 10%
    • CAR-T cell therapy research

Papers in

    • Immune Cell Function and Interaction 6
    • T-cell and B-cell Immunology 6
    • Reproductive System and Pregnancy 3
    • Immunotherapy and Immune Responses 3
    • Allergic Rhinitis and Sensitization 1

Christopher A. O'Callaghan

9 papers receiving 2.5k citations

Hit Papers

HLA-E binds to natural killer cell receptors CD94/NKG2A, B and C 1998 · 1.8k citations
1.8k199820262007201650010001.5k

Peers

Christopher A. O'Callaghan
Comparison fields: 5 of 80
  • Immunology 2.3k
  • Oncology 449
  • Virology 77
  • Hematology 153
  • Agronomy and Crop Science 103
Replace Manuel Llano with:
Manuel Llano Spain
Matthias Ulbrecht Germany
Sasha Lazetic United States
Lena Ångman Switzerland
Ni Lee United States
Kimiko Kuroki Japan
Mirjana Urosevic Switzerland
Neil A. Fanger United States
David B. Rosen United States
Tsufit Gonen‐Gross Israel
Christopher A. O'Callaghan relative to Manuel Llano Spain Manuel Llano's profile →
Citations per field
00.5×1.5×
Manuel Llano · 1×
Citations per year

Countries citing papers authored by Christopher A. O'Callaghan

Since Specialization
Citations

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

Fields of papers citing papers by Christopher A. O'Callaghan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christopher A. O'Callaghan. 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 Christopher A. O'Callaghan. The network helps show where Christopher A. O'Callaghan may publish in the future.

Co-authors

The 25 scholars most cited alongside Christopher A. O'Callaghan, 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 Christopher A. O'Callaghan Line = papers co-authored together Christopher A. O'Callaghan links everyone, so they are left out of the graph.

All Works

9 of 9 papers shown
#Work
1 20065
2 2000164
3 2000123
4 1999101
5 1998174
6
HLA-E binds to natural killer cell receptors CD94/NKG2A, B and C
Hit paper breakdown →
19981772
7 1998150
8 19977
9 199411

About Christopher A. O'Callaghan

Christopher A. O'Callaghan is a scholar working on Immunology, Immunology and Allergy, Physiology, Cell Biology and Pulmonary and Respiratory Medicine, having authored 9 papers that have together received 2.5k indexed citations. Recurring topics across this work include Immune Cell Function and Interaction (6 papers), T-cell and B-cell Immunology (6 papers), Reproductive System and Pregnancy (3 papers), Immunotherapy and Immune Responses (3 papers), Sarcoidosis and Beryllium Toxicity Research (1 paper), Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis (1 paper), Allergic Rhinitis and Sensitization (1 paper) and Asthma and respiratory diseases (1 paper). The work is most often cited by research in Immunology (2.3k citations), Oncology (449 citations), Virology (77 citations), Hematology (153 citations) and Agronomy and Crop Science (103 citations). Christopher A. O'Callaghan has collaborated with scholars based in United Kingdom, India and France. Frequent co-authors include Véronique M. Braud, Andrew J. McMichael, David Allan, Annalisa D’Andrea, Sasha Lazetic, Joseph H. Phillips, Neil T. Young, Lewis L. Lanier, John I. Bell and Kalle Söderström. Their work appears in journals such as European Journal of Immunology, Journal of Biological Chemistry, Clinical & Experimental Allergy, European Respiratory Journal and Molecular Cell.

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.

Explore authors with similar magnitude of impact

Rankless by CCL
2026