Jorma Toppari

44.1k total citations · 8 hit papers
522 papers, 27.1k citations indexed

About

Jorma Toppari is a scholar working on Genetics, Surgery and Reproductive Medicine. According to data from OpenAlex, Jorma Toppari has authored 522 papers receiving a total of 27.1k indexed citations (citations by other indexed papers that have themselves been cited), including 181 papers in Genetics, 174 papers in Surgery and 145 papers in Reproductive Medicine. Recurrent topics in Jorma Toppari's work include Sperm and Testicular Function (124 papers), Diabetes and associated disorders (120 papers) and Pancreatic function and diabetes (80 papers). Jorma Toppari is often cited by papers focused on Sperm and Testicular Function (124 papers), Diabetes and associated disorders (120 papers) and Pancreatic function and diabetes (80 papers). Jorma Toppari collaborates with scholars based in Finland, United States and Denmark. Jorma Toppari's co-authors include Niels E. Skakkebæk, Helena E. Virtanen, Katharina M. Main, Anders Juul, Anna‐Maria Andersson, Tina Kold Jensen, Niels Jørgensen, Martti Parvinen, R. Thomas Zoeller and Jodi A. Flaws and has published in prestigious journals such as Proceedings of the National Academy of Sciences, JAMA and Journal of Biological Chemistry.

In The Last Decade

Jorma Toppari

506 papers receiving 26.4k citations

Hit Papers

5 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.

EDC-2: The Endocrine Society's Second Scientific Statement on Endocrine-Disrupting Chemicals

2015 1.6k citations Jorma Toppari et al. profile →
The Timing of Normal Puberty and the Age Limits of Sexual Precocity: Variations around the World, Secular Trends, and Changes after Migration

2003 1.2k citations Anders Juul, Niels E. Skakkebæk et al. profile →
Male reproductive health and environmental xenoestrogens.

1996 1.2k citations Jorma Toppari et al. profile →
Male Reproductive Disorders and Fertility Trends: Influences of Environment and Genetic Susceptibility

2015 662 citations Niels E. Skakkebæk, Jorma Toppari et al. profile →
Human Breast Milk Contamination with Phthalates and Alterations of Endogenous Reproductive Hormones in Infants Three Months of Age

2005 532 citations Katharina M. Main, Marko Kaleva et al. profile →
Executive Summary to EDC-2: The Endocrine Society's Second Scientific Statement on Endocrine-Disrupting Chemicals

2015 464 citations Jorma Toppari et al. profile →
The 6 year incidence of diabetes-associated autoantibodies in genetically at-risk children: the TEDDY study

2015 295 citations Jeffrey P. Krischer, Jorma Ilonen et al. Diabetologia profile →
European Academy of Andrology (EAA) guidelines on investigation, treatment and monitoring of functional hypogonadism in males

2020 234 citations Giovanni Corona, Dimitrios G. Goulis et al. Andrology profile →

Peers

Countries citing papers authored by Jorma Toppari

Since Specialization

Citations

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

Fields of papers citing papers by Jorma Toppari

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jorma Toppari

This figure shows the co-authorship network connecting the top 25 collaborators of Jorma Toppari. A scholar is included among the top collaborators of Jorma Toppari 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 Jorma Toppari. Jorma Toppari 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

#	Work	Indexed citations
1	Continuous glucose monitor metrics from five studies identify participants at risk for type 1 diabetes development 2025 ·Diabetologia ·Peter Calhoun, (unknown), Andrea K. Steck, Brigitte I. Frohnert, Mark A. Herman, Bart Keymeulen, Riitta Veijola, Jorma Toppari, (unknown), Frans Gorus, Mark A. Atkinson, Darrell M. Wilson, Susan L. Pietropaolo, Roy W. Beck	0
2	Food Consumption and Risk of Islet Autoimmunity and Type 1 Diabetes in Children at Increased Genetic Susceptibility for Type 1 Diabetes 2024 ·Journal of Nutrition ·Suvi Virtanen, (unknown), Leena Hakola, Sari Niinistö, Hanna‐Mari Takkinen, Suvi Ahonen, Iris Erlund, Ulla Uusitalo, Markus Mattila, (unknown), Jorma Ilonen, Jorma Toppari, Riitta Veijola, Mikael Knip, Jaakko Nevalainen	1
3	The effect of early life cytomegalovirus infection on the immune profile of children 2024 ·Clinical Immunology ·(unknown), (unknown), Tytti Vuorinen, Mikael Knip, Riitta Veijola, Jorma Toppari, Jorma Ilonen, Johanna Lempainen, Tuure Kinnunen	0
4	Pubertal testicular volume references for ruler, orchidometer, and ultrasonography measurements based on a longitudinal follow‐up 2024 ·Andrology ·(unknown), Helena E. Virtanen, Wiwat Rodprasert, Kirsi Jahnukainen, Jorma Toppari, Jaakko J. Koskenniemi	2
5	Maternal gluten, cereal, and dietary fiber intake during pregnancy and lactation and the risk of islet autoimmunity and type 1 diabetes in the child 2024 ·Clinical Nutrition ESPEN ·Leena Hakola, Nicolai A. Lund‐Blix, Hanna‐Mari Takkinen, Heli Tapanainen, Sari Niinistö, (unknown), Lars C. Stene, Heikki Hyöty, Jorma Toppari, Jorma Ilonen, Mikael Knip, Riitta Veijola, Suvi Μ. Virtanen, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown)	0
6	Distinct cellular immune responses in children en route to type 1 diabetes with different first-appearing autoantibodies 2024 ·Nature Communications ·(unknown), (unknown), Sami Pietilä, Tomi Suomi, (unknown), (unknown), Omid Rasool, (unknown), Heikki Hyöty, Mikael Knip, Riitta Veijola, Jorma Ilonen, Jorma Toppari, Johanna Lempainen, Laura L. Elo, Riitta Lahesmaa	6
7	Longitudinal consumption of fruits and vegetables and risk of asthma by 5 years of age 2023 ·Pediatric Allergy and Immunology ·Johanna Metsälä, Anna‐Leena Vuorinen, Hanna‐Mari Takkinen, (unknown), Suvi Ahonen, Iris Erlund, Heli Tapanainen, Markus Mattila, Jorma Toppari, Jorma Ilonen, Riitta Veijola, Tari Haahtela, Mikael Knip, Minna Kaila, Suvi Virtanen	5
8	Serum Testosterone Levels in 3-Month-Old Boys Predict Their Semen Quality as Young Adults 2022 ·The Journal of Clinical Endocrinology & Metabolism ·(unknown), Jørgen Holm Petersen, Niels E. Skakkebæk, Niels Jørgensen, Helena E. Virtanen, Lærke Priskorn, Anders Juul, Jorma Toppari, Katharina M. Main	16
9	Association of different enteroviruses with atopy and allergic diseases in early childhood 2021 ·Pediatric Allergy and Immunology ·(unknown), Jussi Lehtonen, (unknown), Suvi Μ. Virtanen, Onni Niemelä, Jorma Toppari, Jorma Ilonen, Riitta Veijola, Mikael Knip, Olli H. Laitinen, Maria Lönnrot, Heikki Hyöty	0
10	Endocrine, metabolic and apical effects of in utero and lactational exposure to non-dioxin-like 2,2 ',3,4,4 ',5,5 '-heptachlorobiphenyl (PCB 180): A postnatal follow-up study in rats 2021 ·STM:n Hallinnonalan avoin julkaisuarkisto (Julkari) ·(unknown), Javier Esteban, (unknown), Päivi Heikkinen, (unknown), Annika Adamsson, Jorma Toppari, Antti Koskela, Mikko Finnilä, Juha Tuukkanen, Maria Herlin, Gerd Hamscher, H.A. Leslie, Merja Korkalainen, Krister Halldin, Dieter Schrenk, Helen Håkansson, Matti Viluksela	1
11	European Academy of Andrology (EAA) guidelines on investigation, treatment and monitoring of functional hypogonadism in males breakdown → 2020 ·Andrology ·Giovanni Corona, Dimitrios G. Goulis, Ilpo Huhtaniemi, Michael Zitzmann, Jorma Toppari, Gianni Forti, Dirk Vanderschueren, Frederick C. W. Wu	234
12	Persistent Alterations in Plasma Lipid Profiles Before Introduction of Gluten in the Diet Associated With Progression to Celiac Disease 2019 ·Clinical and Translational Gastroenterology ·Partho Sen, (unknown), Suvi Μ. Virtanen, Satu Simell, Heikki Hyöty, Jorma Ilonen, Jorma Toppari, Riitta Veijola, Tuulia Hyötyläinen, Mikael Knip, Matej Orešič	29
13	Circulating β cell-specific CD8+ T cells restricted by high-risk HLA class I molecules show antigen experience in children with and at risk of type 1 diabetes 2019 ·Clinical & Experimental Immunology ·Lorraine Yeo, Irma Pujol‐Autonell, Ricardo Baptista, Martin Eichmann, Deborah Kronenberg‐Versteeg, Susanne Heck, Garry Dolton, Andrew K. Sewell, Taina Härkönen, (unknown), Jorma Toppari, Riitta Veijola, Mikael Knip, Jorma Ilonen, Mark Peakman	26
14	Postnatal Changes in Testicular Position Are Associated With IGF-I and Function of Sertoli and Leydig Cells 2018 ·The Journal of Clinical Endocrinology & Metabolism ·Jaakko J. Koskenniemi, Helena E. Virtanen, Christine Wohlfahrt‐Veje, Eliisa Löyttyniemi, Niels E. Skakkebæk, Anders Juul, Anna‐Maria Andersson, Katharina M. Main, Jorma Toppari	25
15	Identification of non-HLA genes associated with development of islet autoimmunity and type 1 diabetes in the prospective TEDDY cohort 2018 ·Journal of Autoimmunity ·Ashok Sharma, Xiang Liu, David Hadley, William Hagopian, Wei‐Min Chen, Suna Önengüt-Gümüşcü, Carina Törn, Andrea K. Steck, Brigitte I. Frohnert, Marian Rewers, Anette‐G. Ziegler, Åke Lernmark, Jorma Toppari, Jeffrey P. Krischer, Beena Akolkar, Stephen S. Rich, Jin‐Xiong She	44
16	A missense mutation in SLC26A3 is associated with human male subfertility and impaired activation of CFTR 2017 ·Scientific Reports ·Satu Wedenoja, (unknown), (unknown), (unknown), Outi Elomaa, Jorma Toppari, Pia Höglund, Kristiina Aittomäki, Christer Holmberg, Outi Hovatta, Juha S. Tapanainen, Ehud Ohana, Juha Kere	21
17	Sumo-1 Function Is Dispensable in Normal Mouse Development 2008 ·Molecular and Cellular Biology ·Fuping Zhang, Laura Mikkonen, Jorma Toppari, Jorma J. Palvimo, Irma Thesleff, Olli A. Jänne	144
18	Natal and Neonatal Teeth in Relation to Environmental Toxicants 2002 ·Pediatric Research ·Satu Alaluusua, Hannu Kiviranta, (unknown), Päivi Hölttä, Pirjo‐Liisa Lukinmaa, (unknown), Anna‐Liisa Järvenpää, Martin Renlund, Jorma Toppari, Helena E. Virtanen, Marko Kaleva, Terttu Vartiainen	39
19	Expression and Regulation of Transcription Factors GATA-4 and GATA-6 in Developing Mouse Testis¹ 1999 ·Endocrinology ·Ilkka Ketola, Nafis A. Rahman, Jorma Toppari, Małgorzata Bielińska, (unknown), Juha S. Tapanainen, Ilpo Huhtaniemi, David B. Wilson, Markku Heikinheimo	168
20	Cell Interactions during the Seminiferous Epithelial Cycle 1986 ·International review of cytology ·Martti Parvinen, Kimmo K. Vihko, Jorma Toppari	133

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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