Klaus Warnatz

24.0k total citations · 3 hit papers
184 papers, 8.4k citations indexed

About

Klaus Warnatz is a scholar working on Immunology, Genetics and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Klaus Warnatz has authored 184 papers receiving a total of 8.4k indexed citations (citations by other indexed papers that have themselves been cited), including 151 papers in Immunology, 43 papers in Genetics and 37 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Klaus Warnatz's work include Immunodeficiency and Autoimmune Disorders (131 papers), Immune Cell Function and Interaction (62 papers) and T-cell and B-cell Immunology (52 papers). Klaus Warnatz is often cited by papers focused on Immunodeficiency and Autoimmune Disorders (131 papers), Immune Cell Function and Interaction (62 papers) and T-cell and B-cell Immunology (52 papers). Klaus Warnatz collaborates with scholars based in Germany, United States and United Kingdom. Klaus Warnatz's co-authors include Michael Schlesier, Hermann Eibel, Bodo Grimbacher, Hans Peter, Ulrich Salzer, Hans‐Hartmut Peter, Ruth Dräger, Sigune Goldacker, Baerbel Keller and Isabella Quinti and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and Nature Communications.

In The Last Decade

Klaus Warnatz

177 papers receiving 8.3k 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.

A Homozygous CARD9 Mutation in a Family with Susceptibility to Fungal Infections

2009 574 citations Ulrich Salzer, Dietmar Pfeifer et al. profile →
International Consensus Document (ICON): Common Variable Immunodeficiency Disorders

2015 542 citations Charlotte Cunningham‐Rundles, Lennart Hammarström et al. The Journal of Allergy and Clinical Immunology In Practice profile →
Homozygous loss of ICOS is associated with adult-onset common variable immunodeficiency

2003 534 citations Bodo Grimbacher, Michael Schlesier et al. Nature Immunology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Klaus Warnatz Germany	47	6.4k	2.0k	1.7k	1.2k	938	184	8.4k
Asghar Aghamohammadi Iran	42	5.6k 0.9×	2.4k 1.2×	1.4k 0.8×	1.2k 1.0×	924 1.0×	367	7.4k
Bodo Grimbacher Germany	54	10.0k 1.6×	4.0k 2.0×	1.8k 1.1×	1.8k 1.6×	1.2k 1.3×	230	12.3k
Shigeaki Nonoyama Japan	45	5.9k 0.9×	1.9k 0.9×	1.3k 0.7×	1.4k 1.2×	721 0.8×	186	9.3k
Tobias A. Fuchs United States	31	8.7k 1.4×	1.3k 0.7×	1.8k 1.1×	1.2k 1.0×	885 0.9×	46	12.0k
Tomohiro Morio Japan	44	5.3k 0.8×	2.0k 1.0×	845 0.5×	1.5k 1.3×	754 0.8×	349	9.4k
Alessandro Plebani Italy	48	5.8k 0.9×	1.5k 0.8×	748 0.4×	1.5k 1.3×	636 0.7×	187	8.9k
Helen Chapel United Kingdom	49	6.1k 1.0×	2.3k 1.1×	1.6k 0.9×	1.5k 1.3×	1.3k 1.4×	133	8.0k
Thomas A. Fleisher United States	53	5.6k 0.9×	1.0k 0.5×	557 0.3×	1.0k 0.9×	702 0.7×	163	8.1k
Rita Carsetti Italy	44	4.5k 0.7×	709 0.4×	530 0.3×	1.7k 1.5×	629 0.7×	165	8.3k
Hirokazu Kanegane Japan	44	4.0k 0.6×	1.0k 0.5×	517 0.3×	820 0.7×	792 0.8×	308	7.4k

Countries citing papers authored by Klaus Warnatz

Since Specialization

Citations

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

Fields of papers citing papers by Klaus Warnatz

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Klaus Warnatz. 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 Klaus Warnatz. The network helps show where Klaus Warnatz may publish in the future.

Co-authorship network of co-authors of Klaus Warnatz

This figure shows the co-authorship network connecting the top 25 collaborators of Klaus Warnatz. A scholar is included among the top collaborators of Klaus Warnatz 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 Klaus Warnatz. Klaus Warnatz is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Geier, Christoph B., Michele Proietti, Bodo Grimbacher, et al.. (2025). Uncovering Risk Factors of Premature Mortality in Common Variable Immunodeficiency. The Journal of Allergy and Clinical Immunology In Practice. 13(5). 1201–1209.e10. 2 indexed citations

Rodríguez‐Ubreva, Javier, Josep Calafell-Segura, Baerbel Keller, et al.. (2024). COVID-19 progression and convalescence in common variable immunodeficiency patients show dysregulated adaptive immune responses and persistent type I interferon and inflammasome activation. Nature Communications. 15(1). 10344–10344. 1 indexed citations

Payne, Kathryn, et al.. (2023). Lymphoid stromal cells - potential implications for the pathogenesis of CVID. Frontiers in Immunology. 14. 1122905–1122905. 4 indexed citations

Rolles, Benjamin, Andrés Caballero-Oteyza, Michele Proietti, et al.. (2023). Telomere biology disorders may manifest as common variable immunodeficiency (CVID). Clinical Immunology. 257. 109837–109837. 3 indexed citations

Keller, Baerbel, Shlomit Kfir‐Erenfeld, Frederike A. Hartl, et al.. (2023). Combined Immunodeficiency Caused by a Novel Nonsense Mutation in LCK. Journal of Clinical Immunology. 44(1). 4–4. 4 indexed citations

Keller, Baerbel & Klaus Warnatz. (2023). T-bethighCD21low B cells: the need to unify our understanding of a distinct B cell population in health and disease. Current Opinion in Immunology. 82. 102300–102300. 18 indexed citations

Goldacker, Sigune, et al.. (2023). A Toolkit for Monitoring Immunoglobulin G Levels from Dried Blood Spots of Patients with Primary Immunodeficiencies. Journal of Clinical Immunology. 43(6). 1185–1192. 2 indexed citations

Zurbuchen, Yves, Patrick Taeschler, Sarah Adamo, et al.. (2023). Human memory B cells show plasticity and adopt multiple fates upon recall response to SARS-CoV-2. Nature Immunology. 24(6). 955–965. 20 indexed citations

Uhlmann, Annette, Gabriele Ihorst, Sigune Goldacker, et al.. (2022). The ABACHAI clinical trial protocol: Safety and efficacy of abatacept (s.c.) in patients with CTLA-4 insufficiency or LRBA deficiency: A non controlled phase 2 clinical trial. Contemporary Clinical Trials Communications. 30. 101008–101008. 14 indexed citations

10.

Kemming, Janine, Marcus Panning, Daniela Huzly, et al.. (2022). Mechanisms of CD8+ T-cell failure in chronic hepatitis E virus infection. Journal of Hepatology. 77(4). 978–990. 17 indexed citations

11.

Wehr, Claudia, Susanne Unger, Gerhard Kindle, et al.. (2021). Altered Spectrum of Lymphoid Neoplasms in a Single-Center Cohort of Common Variable Immunodeficiency with Immune Dysregulation. Journal of Clinical Immunology. 41(6). 1250–1265. 13 indexed citations

12.

Lang‐Meli, Julia, Jonas Fuchs, Hsi-en Ho, et al.. (2021). Case Series: Convalescent Plasma Therapy for Patients with COVID-19 and Primary Antibody Deficiency. Journal of Clinical Immunology. 42(2). 253–265. 23 indexed citations

13.

Albert, Michael H., Nizar Mahlaoui, Fabian Hauck, et al.. (2020). Outcome of chronic granulomatous disease ‐ Conventional treatment vs stem cell transplantation. Pediatric Allergy and Immunology. 32(3). 576–585. 16 indexed citations

14.

Zoldan, Katharina, Michael Schultheiß, Dominik Bettinger, et al.. (2020). IL-2 contributes to cirrhosis-associated immune dysfunction by impairing follicular T helper cells in advanced cirrhosis. Journal of Hepatology. 74(3). 649–660. 23 indexed citations

15.

Voll, Reinhard, et al.. (2020). Naive- and Memory-like CD21low B Cell Subsets Share Core Phenotypic and Signaling Characteristics in Systemic Autoimmune Disorders. The Journal of Immunology. 205(8). 2016–2025. 30 indexed citations

16.

Keller, Baerbel, Irina Zaidman, O. Sascha Yousefi, et al.. (2016). Early onset combined immunodeficiency and autoimmunity in patients with loss-of-function mutation in LAT. The Journal of Experimental Medicine. 213(7). 1185–1199. 44 indexed citations

17.

Stepensky, Polina, Anne Rensing‐Ehl, Shoshana Revel‐Vilk, et al.. (2014). Early-onset Evans syndrome, immunodeficiency, and premature immunosenescence associated with tripeptidyl-peptidase II deficiency. Blood. 125(5). 753–761. 57 indexed citations

18.

Rakhmanov, Mirzokhid, Baerbel Keller, Sylvia Gutenberger, et al.. (2009). Circulating CD21 ^low B cells in common variable immunodeficiency resemble tissue homing, innate-like B cells. Proceedings of the National Academy of Sciences. 106(32). 13451–13456. 261 indexed citations

19.

Warnatz, Klaus, Ulrich Salzer, Marta Rizzi, et al.. (2009). B-cell activating factor receptor deficiency is associated with an adult-onset antibody deficiency syndrome in humans. Proceedings of the National Academy of Sciences. 106(33). 13945–13950. 263 indexed citations

20.

Warnatz, Klaus, Ulrich Salzer, Sylvia Gutenberger, et al.. (2005). Finally found: Human BAFF-R deficiency causes hypogammaglobulinemia.. UCL Discovery (University College London). 19 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.

Explore authors with similar magnitude of impact