2026 Warren J. Leonard: Immunology Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Immunology	143	149	138	99	91	475	78969

Research.com Recognitions

2026 - Research.com Immunology in United States Leader Award
2025 - Research.com Immunology in United States Leader Award
2018 - Fellow, National Academy of Inventors
2016 - Fellow of the American Academy of Arts and Sciences
2015 - Member of the National Academy of Sciences
1999 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Warren J. Leonard is affiliated with the National Institutes of Health in the United States. Their research primarily centers on immunology, molecular biology, and medicine, focusing on the interface of immune cell function, cytokine signaling, and cancer immunotherapy.

The main fields of study for Leonard include Immunology and Microbiology, Medicine, and Biochemistry, Genetics, and Molecular Biology. Subfields of their work include Immunology, Molecular Biology, Oncology, Dermatology, and Immunology and Allergy.

The scientist's research topics cover diverse areas:

Immune Cell Function and Interaction
T-cell and B-cell Immunology
CAR-T cell therapy research
Immunotherapy and Immune Responses
Dermatology and Skin Diseases
Cytokine Signaling Pathways and Interactions
RNA Research and Splicing

Leonard has contributed extensively to both basic and translational immunology. Recent publications include:

"PD-1 combination therapy with IL-2 modifies CD8+ T cell exhaustion program," 2022, Nature
"Role of thymic stromal lymphopoietin in allergy and beyond," 2022, Nature Reviews. Immunology
"Lactate dehydrogenase inhibition synergizes with IL-21 to promote CD8+ T cell stemness and antitumor immunity," 2020, Proceedings of the National Academy of Sciences
"An engineered IL-2 partial agonist promotes CD8+ T cell stemness," 2021, Nature
"Recent advances in understanding the role of IL-4 signaling," 2021, Faculty Reviews

Frequent collaborative partners in Leonard's research include:

Peng Li
Rosanne Spolski
Jian-Xin Lin
Jangsuk Oh
K. Christopher García

Publication venues where Leonard frequently appears encompass:

The Journal of Immunology
Nature
Nature Communications
eLife
bioRxiv (Cold Spring Harbor Laboratory)

Leonard has received recognition through awards and honors such as:

Fellow, National Academy of Inventors (2018)
Fellow of the American Academy of Arts and Sciences (2016)
Member of the National Academy of Sciences (2015)
Fellow of the American Association for the Advancement of Science (AAAS) (1999)

Best Publications

IL-6 programs T(H)-17 cell differentiation by promoting sequential engagement of the IL-21 and IL-23 pathways.

Liang Zhou;Ivaylo I Ivanov;Rosanne Spolski;Roy Min

2685
Citations
JAKS AND STATS: Biological Implications*

Warren J. Leonard;John J. O'Shea

2338
Citations
Interleukin-2 receptor γ chain mutation results in X-linked severe combined immunodeficiency in humans

M Noguchi;H Yi;H M Rosenblatt;A H Filipovich

1614
Citations
Nonlinear Aspects of Competition Between Three Species

Robert M. May;Warren J. Leonard

1465
Citations
Defective lymphoid development in mice lacking expression of the common cytokine receptor gamma chain.

Xiqing Cao;Elizabeth W. Shores;Jane Hu-Li;Miriam R. Anver

1276
Citations
New insights into the regulation of T cells by |[gamma]|c family cytokines

Yrina Rochman;Rosanne Spolski;Warren J. Leonard

1268
Citations
Interleukin-2 at the Crossroads of Effector Responses, Tolerance, and Immunotherapy

Wei Liao;Jian-Xin Lin;Warren J. Leonard

1240
Citations
A Critical Role for IL-21 in Regulating Immunoglobulin Production

Katsutoshi Ozaki;Rosanne Spolski;Carl G. Feng;Chen-Feng Qi

1155
Citations
Interleukin-2 receptor gamma chain: a functional component of the interleukin-7 receptor

Masayuki Noguchi;Yoshiaki Nakamura;Sarah M. Russell;Steven F. Ziegler

1130
Citations
A monoclonal antibody that appears to recognize the receptor for human T-cell growth factor; partial characterization of the receptor

Warren J. Leonard;Joel M. Depper;Takashi Uchiyama;Kendall A. Smith

1110
Citations
Molecular cloning and expression of cDNAs for the human interleukin-2 receptor

Warren J. Leonard;Joel M. Depper;Gerald R. Crabtree;Stuart Rudikoff

1091
Citations
Defective IL7R expression in T - B + NK + severe combined immunodeficiency

Anne Puel;Steven F. Ziegler;Rebecca H. Buckley;Warren J. Leonard.

1007
Citations
Mutation of Jak3 in a Patient with SCID: Essential Role of Jak3 in Lymphoid Development

Sarah M. Russell;Nahid Tayebi;Hiroshi Nakajima;Mary C. Riedy

943
Citations
The role of shared receptor motifs and common stat proteins in the generation of cytokine pleiotropy and redundancy by IL-2, IL-4, IL-7, IL-13, and IL-15

Jian-Xin Lin;Thi-Sau Migone;Monica Tseng;Michael Friedmann

897
Citations
IL-2 Family Cytokines: New Insights into the Complex Roles of IL-2 as a Broad Regulator of T helper Cell Differentiation

Wei Liao;Jian-Xin Lin;Warren J Leonard

889
Citations
The JAK-STAT Pathway

Kazuroni Imada;Warren J Leonard

876
Citations
Synergy of IL-21 and IL-15 in regulating CD8+ T cell expansion and function.

Rong Zeng;Rosanne Spolski;Steven E. Finkelstein;Sang Kon Oh

874
Citations
Interleukin-21: Basic Biology and Implications for Cancer and Autoimmunity*

Rosanne Spolski;Warren J. Leonard

862
Citations
Regulatory B cells control T-cell autoimmunity through IL-21-dependent cognate interactions

Ayumi Yoshizaki;Tomomitsu Miyagaki;David J. DiLillo;Takashi Matsushita

858
Citations
Cyclosporin A inhibits T-cell growth factor gene expression at the level of mRNA transcription

Martin Kronke;Warren J. Leonard;Joel M. Depper;Suresh K. Arya

853
Citations

Frequent Co-Authors

Rosanne Spolski National Institutes of Health

Warner C. Greene University of California, San Francisco

Thomas A. Waldmann National Institutes of Health

Hiroshi Nakajima Chiba University

Sarah M. Russell Peter MacCallum Cancer Centre

Herbert C. Morse National Institute of Allergy and Infectious Diseases

Martin Krönke University of Cologne

Susumu Nakae Hiroshima University

John J. O'Shea National Institutes of Health

Anne Puel Inserm

External Links

Personal website of Warren J. Leonard

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