Agnar Helgason

Active 2000–2025

84
Papers
31,639
Citations
68
h-index
84
i10-index

Citations

Citations per year for Agnar Helgason1965: 1 citations1982: 1 citations1986: 1 citations2000: 14 citations2001: 23 citations2002: 18 citations2003: 36 citations2004: 36 citations2005: 55 citations2006: 137 citations2007: 256 citations2008: 418 citations2009: 399 citations2010: 355 citations2011: 312 citations2012: 357 citations2013: 285 citations2014: 312 citations2015: 318 citations2016: 328 citations2017: 318 citations2018: 359 citations2019: 783 citations2020: 1,229 citations2021: 1,143 citations2022: 684 citations2023: 567 citations2024: 943 citations2025: 541 citations2026: 40 citations1966–1981: no citations, so these years are not shown1983–1985: no citations, so these years are not shown1987–1999: no citations, so these years are not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 4,601 citing papers, 22.9% of this breakdownUnited Kingdom: 2,084 citing papers, 10.4% of this breakdownGermany: 1,038 citing papers, 5.2% of this breakdownChina: 1,026 citing papers, 5.1% of this breakdownNetherlands: 790 citing papers, 3.9% of this breakdownAustralia: 744 citing papers, 3.7% of this breakdownCanada: 704 citing papers, 3.5% of this breakdownSweden: 673 citing papers, 3.3% of this breakdownFrance: 655 citing papers, 3.3% of this breakdownItaly: 597 citing papers, 3% of this breakdownDenmark: 513 citing papers, 2.5% of this breakdownSpain: 502 citing papers, 2.5% of this breakdown
0%22.9%Other 30.7%

Fields

  • Biochemistry, Genetics and Molecular Biology51.9%
  • Medicine35.4%
  • Neuroscience2.9%
  • Mathematics1.8%
  • Immunology and Microbiology1.6%
  • Psychology1.5%
  • Other4.9%

Topics

  • Genetic Associations and Epidemiology7.8%
  • SARS-CoV-2 and COVID-19 Research2.8%
  • Genomics and Rare Diseases2.7%
  • COVID-19 Clinical Research Studies2.4%
  • Genetic Mapping and Diversity in Plants and Animals2.2%
  • Genomic variations and chromosomal abnormalities2%
  • Other80.1%

Coauthors

All papers

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  1. Large-scale integration of the plasma proteome with genetics and disease

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Ingileif Jónsdóttir, Hilma Hólm, Þórunn Rafnar, Páll Melsted, Jona Saemundsdottir, Gudmundur L. Norddahl, Sigrún H. Lund, Daníel F. Guðbjartsson, Unnur Þorsteinsdóttir, Kāri Stefánsson - Nature Genetics 2021 cited by 1,668

  2. Large-scale plasma proteomics comparisons through genetics and disease associations

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Unnur Þorsteinsdóttir, Patrick Sulem, Kāri Stefánsson - Nature 2023 cited by 520

  3. The sequences of 150,119 genomes in the UK Biobank

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Kári Kristinsson, Emilia Sobech, Helgi Jónsson, Árni Jón Geirsson, Ísleifur Ólafsson, Pálmi V. Jónsson, Ole Birger Pedersen, Christian Erikstrup, Søren Brunak, Sisse Rye Ostrowski, Steffen Andersen, Karina Banasik, Kristoffer Sølvsten Burgdorf, Maria Didriksen, Khoa Manh Dinh, Christian Erikstrup, Daníel F. Guðbjartsson, Thomas Folkmann Hansen, Henrik Hjalgrim, Gregor B. E. Jemec, Poul Jennum, Pär I. Johansson, Margit Anita Hørup Larsen, Susan Mikkelsen, Kasper Nielsen, Mette Nyegaard, Sisse Rye Ostrowski, Susanne Gjørup Sækmose, Erik Sørensen, Unnur Þorsteinsdóttir, Mie Topholm Brun, Henrik Ullum, Thomas Werge, Guðmar Þorleifsson, Frosti Jónsson, Páll Melsted, Ingileif Jónsdóttir, Þórunn Rafnar, Hilma Hólm, Hreinn Stefánsson, Jona Saemundsdottir, Daníel F. Guðbjartsson, Ólafur Þ. Magnússon, Gísli Másson, Unnur Þorsteinsdóttir, Agnar Helgason, Hákon Jónsson, Patrick Sulem, Kāri Stefánsson - Nature 2022 cited by 490

  4. Rate of de novo mutations and the importance of father’s age to disease risk

    Authors: , , , , , , , , , , , , , , , , , , , , - Nature 2012 cited by 2,273

  5. Clonal hematopoiesis, with and without candidate driver mutations, is common in the elderly

    Authors: , , , , , , , , , , , , , , , , , , , , , - Blood 2017 cited by 789

  6. Parental influence on human germline de novo mutations in 1,548 trios from Iceland

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , - Nature 2017 cited by 670

  7. Characterizing mutagenic effects of recombination through a sequence-level genetic map

    Authors: , , , , , , , , , , , , , , , , , , , , - Science 2019 cited by 423

  8. The nature of nurture: Effects of parental genotypes

    Authors: , , , , , , , , , , , , , , - Science 2018 cited by 1,038

  9. Large-scale whole-genome sequencing of the Icelandic population

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Jón G. Jónasson, Ásgeir Sigurðsson, Gyða Björnsdóttir, Jón J. Jónsson, Ólafur Thorarensen, Pétur Lúðvígsson, Hákon Guðbjartsson, Guðmundur I. Eyjólfsson, Ólöf Sigurðardóttir, Ísleifur Ólafsson, Davíð O. Arnar, Ólafur Þ. Magnússon, Augustine Kong, Gísli Másson, Unnur Þorsteinsdóttir, Agnar Helgason, Patrick Sulem, Kāri Stefánsson - Nature Genetics 2015 cited by 834

  10. Variant of transcription factor 7-like 2 (TCF7L2) gene confers risk of type 2 diabetes

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , - Nature Genetics 2006 cited by 2,279

  11. Fine-scale recombination rate differences between sexes, populations and individuals

    Authors: , , , , , , , , , , , , , , - Nature 2010 cited by 664

  12. Variants conferring risk of atrial fibrillation on chromosome 4q25

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Eric E. Smith, Jonathan Rosand, Jan Hillert, Ronald C.W., Patrick T. Ellinor, Guðmundur Þorgeirsson, Jeffrey R. Gulcher, Augustine Kong, Unnur Þorsteinsdóttir, Kāri Stefánsson - Nature 2007 cited by 960

  13. Genetics and epidemiology of mutational barcode-defined clonal hematopoiesis

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Kāri Stefánsson - Nature Genetics 2023 cited by 69

  14. Genetic variants associated with mosaic Y chromosome loss highlight cell cycle genes and overlap with cancer susceptibility

    Authors: , , , , , , , , , , , , , , , , , , - Nature Genetics 2017 cited by 221

  15. The Anglo-Saxon migration and the formation of the early English gene pool

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Frank Both, Daniel G. Winger, Daniel Neumann, Lars Saalow, Stefan Krabath, Sophie Beckett, Melanie Van Twest, Neil Faulkner, Chris Read, Tabatha Barton, Joanna Caruth, John Hines, Ben Krause‐Kyora, Ursula Warnke, Verena J. Schuenemann, Ian Barnes, Hanna Dahlström, Jane Jark Clausen, Andrew Richardson, Elizabeth Popescu, Natasha Dodwell, Stuart Ladd, Tom J. Phillips, Richard Mortimer, Faye Sayer, Diana Swales, Allison K. Stewart, Dominic Powlesland, R.A. Kenyon, Lilian Ladle, Christina Peek, Silke Grefen-Peters, Paola Ponce, R. S. Daniels, Cecily Spall, Jennifer Woolcock, Andy M. Jones, Amy V. Roberts, Robert Symmons, Anooshka C. Rawden, Alan Cooper, Kirsten I. Bos, Tom Booth, Hannes Schroeder, Mark Thomas, Agnar Helgason, Martin Richards, David Reich, Johannes Krause, Stephan Schiffels - Nature 2022 cited by 187

  16. Genetic determinants of hair, eye and skin pigmentation in Europeans

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , - Nature Genetics 2007 cited by 760

  17. A direct characterization of human mutation based on microsatellites

    Authors: , , , , , , , , , , - Nature Genetics 2012 cited by 389

  18. Sequence variants affecting the genome-wide rate of germline microsatellite mutations

    Authors: , , , , , , , , , , , , , , , , , , , , , , - Nature Communications 2023 cited by 36

  19. A common inversion under selection in Europeans

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , - Nature Genetics 2005 cited by 872

  20. The correlation between CpG methylation and gene expression is driven by sequence variants

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Unnur Þorsteinsdóttir, Kāri Stefánsson - Nature Genetics 2024 cited by 57

  21. Genetics of gene expression and its effect on disease

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Jeffrey R. Gulcher, Marc L. Reitman, Augustine Kong, Eric E. Schadt, Kāri Stefánsson - Nature 2008 cited by 1,347

  22. Whole genome characterization of sequence diversity of 15,220 Icelanders

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , - Scientific Data 2017 cited by 124

  23. The rate of meiotic gene conversion varies by sex and age

    Authors: , , , , , , , , , , , , , , , - Nature Genetics 2016 cited by 112

  24. Actionable Genotypes and Their Association with Life Span in Iceland

    Authors: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Jona Saemundsdottir, Ólafur Þ. Magnússon, Gísli Másson, Bjarni V. Halldórsson, Agnar Helgason, Hreinn Stefánsson, Ingileif Jónsdóttir, Hilma Hólm, Þórunn Rafnar, Unnur Þorsteinsdóttir, Daníel F. Guðbjartsson, Kāri Stefánsson, Patrick Sulem - New England Journal of Medicine 2023 cited by 56