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Jonsson L, Magnusson TE, Thordarson A, Jonsson T, Geller F, Feenstra B, Melbye M, Nohr EA, Vucic S, Dhamo B, Rivadeneira F, Ongkosuwito EM, Wolvius EB, Leslie EJ, Marazita ML, Howe BJ, Moreno Uribe LM, Alonso I, Santos M, Pinho T, Jonsson R, Audolfsson G, Gudmundsson L, Nawaz MS, Olafsson S, Gustafsson O, Ingason A, Unnsteinsdottir U, Bjornsdottir G, Walters GB, Zervas M, Oddsson A, Gudbjartsson DF, Steinberg S, Stefansson H, Stefansson K. Rare and Common Variants Conferring Risk of Tooth Agenesis. J Dent Res 2018; 97:515-522. [PMID: 29364747 DOI: 10.1177/0022034517750109] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We present association results from a large genome-wide association study of tooth agenesis (TA) as well as selective TA, including 1,944 subjects with congenitally missing teeth, excluding third molars, and 338,554 controls, all of European ancestry. We also tested the association of previously identified risk variants, for timing of tooth eruption and orofacial clefts, with TA. We report associations between TA and 9 novel risk variants. Five of these variants associate with selective TA, including a variant conferring risk of orofacial clefts. These results contribute to a deeper understanding of the genetic architecture of tooth development and disease. The few variants previously associated with TA were uncovered through candidate gene studies guided by mouse knockouts. Knowing the etiology and clinical features of TA is important for planning oral rehabilitation that often involves an interdisciplinary approach.
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Affiliation(s)
- L Jonsson
- 1 deCODE genetics/Amgen, Reykjavik, Iceland.,2 Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - T E Magnusson
- 3 Faculty of Odontology, University of Iceland, Reykjavík, Iceland
| | - A Thordarson
- 3 Faculty of Odontology, University of Iceland, Reykjavík, Iceland
| | - T Jonsson
- 3 Faculty of Odontology, University of Iceland, Reykjavík, Iceland
| | - F Geller
- 4 Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - B Feenstra
- 4 Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
| | - M Melbye
- 4 Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark.,5 Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.,6 Department of Medicine, School of Medicine, Stanford University, Stanford, California, USA
| | - E A Nohr
- 7 Research Unit for Gynaecology and Obstetrics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - S Vucic
- 8 Department of Oral and Maxillofacial Surgery, Special Dental Care and Orthodontics, Erasmus University Medical Centre, Rotterdam, The Netherlands.,9 Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - B Dhamo
- 8 Department of Oral and Maxillofacial Surgery, Special Dental Care and Orthodontics, Erasmus University Medical Centre, Rotterdam, The Netherlands.,9 Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - F Rivadeneira
- 9 Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands.,10 Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands.,11 Department of Internal Medicine, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - E M Ongkosuwito
- 8 Department of Oral and Maxillofacial Surgery, Special Dental Care and Orthodontics, Erasmus University Medical Centre, Rotterdam, The Netherlands.,9 Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - E B Wolvius
- 8 Department of Oral and Maxillofacial Surgery, Special Dental Care and Orthodontics, Erasmus University Medical Centre, Rotterdam, The Netherlands.,9 Generation R Study Group, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - E J Leslie
- 12 Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,13 Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - M L Marazita
- 12 Department of Oral Biology, Center for Craniofacial and Dental Genetics, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,14 Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA.,15 Clinical and Translational Science, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - B J Howe
- 16 Department of Family Dentistry, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - L M Moreno Uribe
- 16 Department of Family Dentistry, College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - I Alonso
- 17 i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,18 UnIGENe, Instituto Biologia Molecular Celular, Universidade do Porto, Porto, Portugal
| | - M Santos
- 17 i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,18 UnIGENe, Instituto Biologia Molecular Celular, Universidade do Porto, Porto, Portugal
| | - T Pinho
- 17 i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,18 UnIGENe, Instituto Biologia Molecular Celular, Universidade do Porto, Porto, Portugal.,19 CESPU, Instituto de Investigacão e Formação Avançada em Ciências e Tecnologias da Saúde, Rua Central de Gandra, Gandra-PRD, Portugal
| | - R Jonsson
- 20 Icelandic Health Insurance, Reykjavík, Iceland
| | - G Audolfsson
- 21 Department of Plastic Surgery, Landspitali-University Hospital, Reykjavik, Iceland
| | | | - M S Nawaz
- 1 deCODE genetics/Amgen, Reykjavik, Iceland.,22 Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - S Olafsson
- 1 deCODE genetics/Amgen, Reykjavik, Iceland
| | | | - A Ingason
- 1 deCODE genetics/Amgen, Reykjavik, Iceland
| | | | | | - G B Walters
- 1 deCODE genetics/Amgen, Reykjavik, Iceland.,22 Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - M Zervas
- 1 deCODE genetics/Amgen, Reykjavik, Iceland
| | - A Oddsson
- 1 deCODE genetics/Amgen, Reykjavik, Iceland
| | | | | | | | - K Stefansson
- 1 deCODE genetics/Amgen, Reykjavik, Iceland.,22 Faculty of Medicine, University of Iceland, Reykjavik, Iceland
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Shaffer JR, Wang X, Feingold E, Lee M, Begum F, Weeks DE, Cuenco KT, Barmada MM, Wendell SK, Crosslin DR, Laurie CC, Doheny KF, Pugh EW, Zhang Q, Feenstra B, Geller F, Boyd HA, Zhang H, Melbye M, Murray JC, Weyant RJ, Crout R, McNeil DW, Levy SM, Slayton RL, Willing MC, Broffitt B, Vieira AR, Marazita ML. Genome-wide association scan for childhood caries implicates novel genes. J Dent Res 2011; 90:1457-62. [PMID: 21940522 DOI: 10.1177/0022034511422910] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Dental caries is the most common chronic disease in children and a major public health concern due to its increasing incidence, serious health and social co-morbidities, and socio-demographic disparities in disease burden. We performed the first genome-wide association scan for dental caries to identify associated genetic loci and nominate candidate genes affecting tooth decay in 1305 US children ages 3-12 yrs. Affection status was defined as 1 or more primary teeth with evidence of decay based on intra-oral examination. No associations met strict criteria for genome-wide significance (p < 10E-7); however, several loci (ACTN2, MTR, and EDARADD, MPPED2, and LPO) with plausible biological roles in dental caries exhibited suggestive evidence for association. Analyses stratified by home fluoride level yielded additional suggestive loci, including TFIP11 in the low-fluoride group, and EPHA7 and ZMPSTE24 in the sufficient-fluoride group. Suggestive loci were tested but not significantly replicated in an independent sample (N = 1695, ages 2-7 yrs) after adjustment for multiple comparisons. This study reinforces the complexity of dental caries, suggesting that numerous loci, mostly having small effects, are involved in cariogenesis. Verification/replication of suggestive loci may highlight biological mechanisms and/or pathways leading to a fuller understanding of the genetic risks for dental caries.
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Affiliation(s)
- J R Shaffer
- Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
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