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J

Jorma Toppari

Institute of Biomedicine

103H-index
851Paper Count
4.4WCitation Count
Published Papers 376
Publication Date
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Dietary vitamin C intake and the risk of islet autoimmunity and type 1 diabetes: The Environmental Determinants of Diabetes in the Young (TEDDY) Study
errEuropean Journal of Nutrition
IF4.3
err2026-09-24
err0
errOAAI
errMarkus Mattila; Lazarus K. Mramba; Sari Niinistö; Iris Erlund; Xiang Liu; Ulla Uusitalo; Carin Andrén Aronsson; Sandra Hummel; Brigitte I. Frohnert; Hemang M. Parikh; Stephen S. Rich; William Hagopian; Jorma Toppari; Åke Lernmark; Anette G. Ziegler; Marian Rewers; Jeffrey P. Krischer; Leena Hakola; Jill M. Norris; Suvi M. Virtanen
errShare
errSave
Father–Son Comparison of Reproductive Traits
errAndrology
IF3.4
err2026-09-08
err0
errOAAI
errHeidi Elamo; Wiwat Rodprasert; Louise Scheutz Henriksen; Niels Jørgensen; Niels E. Skakkebaek; Anders Juul; Helena Ollila; Katharina M. Main; Jorma Toppari; Helena E. Virtanen
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Geographical Pattern of Testicular Cancer Points to Maternal Exposures Behind Increasing Incidence
errInternational Journal of Cancer
IF4.7
err2026-08-15
err0
errOAAI
errAntti Kaipia; Karri Seppä; Elli Hirvonen; Eetu Mäkinen; Nea Malila; Janne Pitkäniemi; Jorma Toppari; Peter Boström; Heikki Seikkula
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errSave
P357 - ECE_2016 - Adiposity and male reproductive function in young men
errEuropean Journal of Endocrinology
IF5.2
err2026-08-10
err0
errOAAI
errWiwat Rodprasert; Jorma Toppari; Heidi Elamo; Kreeta Viitala; Helena Ollila; Niels Erik Skakkebæk; Niels Joergensen; Katharina M Main; Helena Virtanen
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errSave
Early-life immunological and microbial differences between East African and North European children
errCommunications Medicine
IF6.3
err2026-03-03
err0
errOAAI
errNoora Nurminen; Yue-Mei Fan; Emma Kortekangas; Jake Lin; Lotta Hallamaa; Kenneth Maleta; Kirsi-Maarit Lehto; Olli H. Laitinen; Aki Sinkkonen; Johanna Lempainen; Jorma Toppari; Riitta Veijola; Kalle Kurppa; Mikael Knip; Ulla Ashorn; Sami Oikarinen; Per Ashorn; Heikki Hyöty
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Dietary intake of vitamins A, B, C, D and E and risk of islet autoimmunity and type 1 diabetes in genetically at-risk children: a prospective study from the DIPP birth cohort
errDiabetologia
IF10.2
err2025-12-19
err0
errOAAI
errMarkus Mattila; Peppi Haario; Leena Hakola; Hanna-Mari Takkinen; Essi J. Peltonen; Tuuli E. Korhonen; Suvi Ahonen; Jorma Ilonen; Jorma Toppari; Mikael Knip; Riitta Veijola; Sari Niinistö; Suvi M. Virtanen
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Family history of type 2 diabetes delays development of type 1 diabetes in TEDDY children with islet autoimmunity
errDiabetologia
IF10.2
err2025-12-08
err0
errOAAI
errRiitta Veijola; Roy N. Tamura; Joanna L. Clasen; Helena Elding Larsson; Katharina Warncke; Andrea K. Steck; Michael J. Haller; Berglind Jonsdottir; Beena Akolkar; William A. Hagopian; Marian J. Rewers; Jin-Xiong She; Anette-Gabriele Ziegler; Jeffrey P. Krischer; Jorma Toppari
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Autoimmune Thyroid Disease in a Cohort of Children With Increased Genetic Susceptibility to Type 1 Diabetes: The Environmental Determinants of Diabetes in the Young Study
errCLINICAL ENDOCRINOLOGY
IF2.4
err2025-12-01
err0
PREAI
errClasen, Joanna L.; Jonsdottir, Berglind; Toppari, Jorma; Johnson, Suzanne; Andren Aronsson, Carin; Lundgren, Markus; Vehik, Kendra; Haller, Michael J.; Elding Larsson, Helena
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Islet autoimmunity and progression to type 1 diabetes in the Finnish DIPP study: comparison between genetically susceptible children with and without an affected first-degree relative
errDiabetologia
IF10.2
err2025-11-08
err0
errOAAI
errSalla Kuusela; Jaakko J. Koskenniemi; Toni Valtanen; Tytti Pokka; Taina Härkönen; Jorma Ilonen; Johanna Lempainen; Anni Kyrönniemi; Jorma Toppari; Mikael Knip; Päivi Keskinen; Riitta Veijola
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errSave
Altered Glucagon Response to Oral Glucose in Individuals at Different Stages of Type 1 Diabetes Development
errJOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
IF5.1
err2025-11-01
err0
PREAI
errKontola, Helena; Crisostomo, Luis; Loyttyniemi, Eliisa; Koskenniemi, Jaakko J.; Veijola, Riitta; Toppari, Jorma; Kero, Jukka
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Autoantibody response towards chromatin in patients with juvenile idiopathic arthritis
errArthritis & Rheumatology
IF10.9
err2025-07-16
err0
errOAAI
errViola Pitkänen MSc; Terhi Remes-Pakarinen MD, PhD; Paula Vähäsalo MD, PhD; Milja Möttönen MD, PhD; Minna-Maija Grönlund MD, PhD; Miika Arvonen MD, PhD; Mikael Knip MD, PhD; Riitta Veijola MD, PhD; Jorma Toppari MD, PhD; Jorma Ilonen MD, PhD; Johanna Lempainen MD, PhD; Anna-Mari Schroderus PhD; Liisa Kröger MD, PhD; Tuure Kinnunen MD, PhD
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Predictors of Transitions From GADA as the Initial Autoantibody to Multiple Autoantibodies of Type 1 Diabetes in Children at Risk by a Dynamic Prediction Model
errPEDIATRIC DIABETES
IF5.6
err2025-01-01
err0
errOAAI
errYou, Lu; Salami, Falastin; Tamura, Roy; Torn, Carina; Vehik, Kendra; Hagopian, William A.; Rewers, Marian J.; Mcindoe, Richard A.; Toppari, Jorma; Ziegler, Anette-G.; Akolkar, Beena; Krischer, Jeffrey P.; Lernmark, Ake
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Looking back at the TEDDY study: lessons and future directions
errnature reviews endocrinology
IF40
err2024-11-04
err0
PREAI
errLernmark, Ake; Agardh, Daniel; Akolkar, Beena; Gesualdo, Patricia; Hagopian, William A.; Haller, Michael J.; Hyoty, Heikki; Johnson, Suzanne Bennett; Larsson, Helena Elding; Liu, Edwin; Lynch, Kristian F.; Mckinney, Eoin F.; Mcindoe, Richard; Melin, Jessica; Norris, Jill M.; Rewers, Marian; Rich, Stephen S.; Toppari, Jorma; Triplett, Eric; Vehik, Kendra; Virtanen, Suvi M.; Ziegler, Anette-G.; Schatz, Desmond A.; Krischer, Jeffrey
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Food Consumption and Risk of Islet Autoimmunity and Type 1 Diabetes in Children at Increased Genetic Susceptibility for Type 1 Diabetes
errJOURNAL OF NUTRITION
IF3.8
err2024-11-01
err1
errOAAI
errVirtanen, Suvi M.; Peltonen, Essi J.; Hakola, Leena; Niinistoeuro, Sari; Takkinen, Hanna-Mari; Ahonen, Suvi; Akerlund, Mari; Uusitalo, Ulla; Mattila, Markus; Salo, Tuuli E., I; Ilonen, Jorma; Toppari, Jorma; Veijola, Riitta; Knip, Mikael; Nevalainen, Jaakko
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Imatinib decreases germ cell survival and germline stem cell proliferation in rodent testis ex vivo and in vitro
errANDROLOGY
IF3.4
err2024-10-18
err1
errOAAI
errEggert, Anna; Laasanen, Sini; Nurmio, Mirja; Wahlgren, Aida; Jahnukainen, Kirsi; Eerola, Kim; Nieminen, Miisael; Olotu, Opeyemi; Kotaja, Noora; Makela, Juho-Antti; Toppari, Jorma
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Early-pregnancy BMI, maternal gestational weight gain, and asthma and allergic diseases in children
errPEDIATRIC ALLERGY AND IMMUNOLOGY
IF4.5
err2024-09-16
err3
errOAAI
errOjwang, Vincent; Nwaru, Bright I.; Hanna-Mari, Takkinen; Heli, Tapanainen; Kaila, Minna; Ahonen, Suvi; Niemela, Onni; Haapala, Anna-Maija; Ilonen, Jorma; Toppari, Jorma; Hyoty, Heikki; Veijola, Riitta; Knip, Mikael; Virtanen, Suvi M.
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errSave
Symptomatic Type 1 Diabetes Is Approaching, but When?
errJOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
IF5.1
err2024-08-22
err0
errOAAI
errToppari, Jorma; Veijola, Riitta
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errSave
Novel ectopic expression of zona pellucida 3 glycoprotein in lung cancer promotes tumor growth
errINTERNATIONAL JOURNAL OF CANCER
IF4.7
err2024-07-22
err0
errOAAI
errPulawska-Moon, Kamila; Ponikwicka-Tyszko, Donata; Lebiedzinska, Weronika; Pilaszewicz-Puza, Agata; Bernaczyk, Piotr; Koda, Mariusz; Lupu, Oana; Milewska, Gabriela; Huang, Chen-Che Jeff; Zheng, Huifei; Schiele, Phillip; Na, Il-Kang; Frentsch, Marco; Li, Xiangdong; Toppari, Jorma; Wolczynski, Slawomir; Bennink, Herjan J. T. Coelingh; Huhtaniemi, Ilpo; Rahman, Nafis A.
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errSave
Early Appearance of Thyroid Autoimmunity in Children Followed From Birth for Type 1 Diabetes Risk
errJOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
IF5.1
err2024-07-12
err1
errOAAI
errJonsdottir, Berglind; Clasen, Joanna L.; Vehik, Kendra; Lernmark, Ake; Lundgren, Markus; Bonifacio, Ezio; Schatz, Desmond; Ziegler, Anette-Gabriele; Hagopian, William; Rewers, Marian; Mcindoe, Richard; Toppari, Jorma; Krischer, Jeffrey; Akolkar, Beena; Steck, Andrea; Veijola, Riitta; Haller, Michael J.; Larsson, Helena Elding; TEDDY Study Grp, Marian
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errSave
Temporal Alterations in CD8+ T Cells During the Progression From Stage 1 to Stage 3 Type 1 Diabetes
errDIABETES
IF7.5
err2024-07-05
err2
errOAAI
errSchroderus, Anna-Mari; Pitkanen, Viola; Ekman, Ilse; Stevens, Daniella; Rytkonen-Nissinen, Marja; Rintamaki, Reeta; Pihlajamaki, Jussi; Knip, Mikael; Veijola, Riitta; Toppari, Jorma; Ilonen, Jorma; Lempainen, Johanna; Kinnunen, Tuure
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Research Directions

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Co-authors
Cooperation Journals
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Richard A. Gibbs
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Stephen S. Rich
H-index: 160 · Papers: 1.9K
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Martin J. Blaser
H-index: 149 · Papers: 993
N
Niels E. Skakkebæk
H-index: 137 · Papers: 822
S
Søren Brunak
H-index: 132 · Papers: 831
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