Blar i Bergen Open Research Archive på forfatter "Helgeland, Øyvind"
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Assessing the Causal Relationship of Maternal Height on Birth Size and Gestational Age at Birth: A Mendelian Randomization Analysis
Zhang, Ge; Bacelis, Jonas; Lengyel, Candice; Teramo, Kari; Hallman, Mikko; Helgeland, Øyvind; Johansson, Stefan; Myhre, Ronny; Sengpiel, Verena; Njølstad, Pål Rasmus; Jacobsson, Bo; Muglia, Louis (Peer reviewed; Journal article, 2015-08-18)Background: Observational epidemiological studies indicate that maternal height is associated with gestational age at birth and fetal growth measures (i.e., shorter mothers deliver infants at earlier gestational ages with ... -
Autozygosity mapping and time-to-spontaneous delivery in Norwegian parent-offspring trios
Solé-Navais, Pol; Bacelis, Jonas; Helgeland, Øyvind; Modzelewska, Dominika; Vaudel, Marc; Flatley, Christopher; Andreassen, Ole; Njølstad, Pål Rasmus; Muglia, Louis J.; Johansson, Stefan; Zhang, Ge; Jacobsson, Bo (Journal article; Peer reviewed, 2020)Parental genetic relatedness may lead to adverse health and fitness outcomes in the offspring. However, the degree to which it affects human delivery timing is unknown. We use genotype data from ≃25 000 parent-offspring ... -
B vitamin treatments modify the risk of myocardial infarction associated with a MTHFD1 polymorphism in patients with stable angina pectoris
Ding, Yunpeng; Pedersen, Eva Ringdal; Johansson, Stefan; Gregory III, Jesse F.; Ueland, Per Magne; Svingen, Gard Frodahl Tveitevåg; Helgeland, Øyvind; Meyer, Klaus; Fredriksen, Åse; Nygård, Ottar (Peer reviewed; Journal article, 2016-06)Background: Methylenetetrahydrofolate dehydrogenase (MTHFD1) catalyzes three sequential reactions that metabolize derivatives of tetrahydrofolate (THF) in folate-dependent one-carbon metabolism. Impaired MTHFD1 flux has ... -
Body mass index and childhood symptoms of depression, anxiety, and attention-deficit hyperactivity disorder: A within-family Mendelian randomization study
Hughes, Amanda M.; Sanderson, Eleanor; Morris, Tim; Ayorech, Ziada; Tesli, Martin Steen; Ask, Helga; Reichborn-Kjennerud, Ted; Andreassen, Ole; Magnus, Per Minor; Helgeland, Øyvind; Johansson, Stefan; Njølstad, Pål Rasmus; Davey Smith, George; Havdahl, Alexandra Karoline Saasen; Howe, Laura D.; Davies, Neil Martin (Journal article; Peer reviewed, 2022)Background: Higher BMI in childhood is associated with emotional and behavioural problems, but these associations may not be causal. Results of previous genetic studies imply causal effects but may reflect influence of ... -
Characterization of the genetic architecture of infant and early childhood body mass index
Helgeland, Øyvind; Vaudel, Marc; Sole-Navais, Pol; Flatley, Christopher; Juodakis, Julius; Bacelis, Jonas; Koløen, Ingvild; Knudsen, Gun Peggy Strømstad; Johansson, Bente Berg; Magnus, Per Minor; Reichborn-Kjennerud, Ted; Juliusson, Pétur Benedikt; Stoltenberg, Camilla; Holmen, Oddgeir Lingaas; Andreassen, Ole; Jacobsson, Bo; Njølstad, Pål Rasmus; Johansson, Stefan (Journal article; Peer reviewed, 2022)Early childhood obesity is a growing global concern; however, the role of common genetic variation on infant and child weight development is unclear. Here, we identify 46 loci associated with early childhood body mass index ... -
The Chromosome 9p21 CVD- and T2D-Associated Regions in a Norwegian Population (The HUNT2 Survey)
Helgeland, Øyvind; Hertel, Jens Kristoffer; Molven, Anders; Ræder, Helge; Platou, Carl Geoffrey Parrinder; Midthjell, Kristian; Hveem, Kristian; Nygård, Ottar; Njølstad, Pål R.; Johansson, Stefan (Peer reviewed; Journal article, 2015)Background. Two adjacent regions upstream CDKN2B on chromosome 9p21 have been associated with type 2 diabetes (T2D) and progression of cardiovascular disease (CVD).The precise location and number of risk variants have not ... -
A fast wavelet-based functional association analysis replicates several susceptibility loci for birth weight in a Norwegian population
Denault, William Robert Paul; Romanowska, Julia; Helgeland, Øyvind; Jacobsson, Bo; Gjessing, Håkon K.; Jugessur, Astanand (Journal article; Peer reviewed, 2021)Background Birth weight (BW) is one of the most widely studied anthropometric traits in humans because of its role in various adult-onset diseases. The number of loci associated with BW has increased dramatically since ... -
The genetic architecture of sporadic and multiple consecutive miscarriage
Laisk, Triin; Soares, Ana Luiza G.; Ferreira, Teresa; Painter, Jodie N.; Censin, Jenny C.; Laber, Samantha; Bacelis, Jonas; Chen, Chia-Yen; Lepamets, Maarja; Lin, Kuang; Liu, Siyang; Millwood, Iona Y.; Ramu, Avinash; Southcombe, Jennifer; Andersen, Marianne S.; Yang, Ling; Becker, Christian M.; Børglum, Anders D.; Gordon, Scott D.; Bybjerg-Grauholm, Jonas; Helgeland, Øyvind; Hougaard, David M.; Jin, Xin; Johansson, Stefan; Juodakis, Julius; Kartsonaki, Christina; Kukushkina, Viktorija; Lind, Penelope A.; Metspalu, Andres; Montgomery, Grant W.; Morris, Andrew P.; Mors, Ole; Mortensen, Preben B.; Njølstad, Pål Rasmus; Nordentoft, Merete; Nyholt, Dale R.; Lippincott, Margaret; Seminara, Stephanie; Salumets, Andres; Snieder, Harold; Zondervan, Krina; Werge, Thomas; Chen, Zhengming; Conrad, Donald F.; Jacobsson, Bo; Li, Liming; Martin, Nicholas G.; Neale, Benjamin M.; Nielsen, Rasmus; Walters, Robin G. (Journal article; Peer reviewed, 2020)Miscarriage is a common, complex trait affecting ~15% of clinically confirmed pregnancies. Here we present the results of large-scale genetic association analyses with 69,054 cases from five different ancestries for sporadic ... -
Genetic association study of childhood aggression across raters, instruments, and age
Ip, Hill F.; van der Laan, Camiel M.; Krapohl, Eva M. L.; Brikell, Isabell; Sánchez-Mora, Cristina; Nolte, Ilja M.; Pourcain, Beate St; Bolhuis, Koen; Palviainen, Teemu; Zafarmand, Hadi; Colodro-Conde, Lucía; Gordon, Scott; Zayats, Tetyana; Aliev, Fazil; Jiang, Chang; Wang, Carol A.; Saunders, Gretchen; Karhunen, Ville; Hammerschlag, Anke R.; Adkins, Daniel E.; Border, Richard; Peterson, Roseann E.; Prinz, Joseph A.; Thiering, Elisabeth; Seppälä, Iikka; Vilor-Tejedor, Natàlia; Ahluwalia, Tarunveer S.; Day, Felix R.; Hottenga, Jouke-Jan; Allegrini, Andrea G.; Rimfeld, Kaili; Chen, Qi; Yi, Lu; Martin, Joanna; Soler Artigas, Marìa; Rovira, Paula; Bosch, Rosa; Español, Gemma; Ramos-Quiroga, Josep Antonio; Neumann, Alexander; Haavik, Jan; Harris, Jennifer Ruth; Helgeland, Øyvind; Johansson, Stefan; Knudsen, Gun Peggy Strømstad; Njølstad, Pål Rasmus; Havdahl, Alexandra; Magnus, Per Minor; Reichborn-Kjennerud, Ted; Boomsma, Dorret I. (Journal article; Peer reviewed, 2021)Childhood aggressive behavior (AGG) has a substantial heritability of around 50%. Here we present a genome-wide association meta-analysis (GWAMA) of childhood AGG, in which all phenotype measures across childhood ages from ... -
Genetic effects on the timing of parturition and links to fetal birth weight
Solé-Navais, Pol; Flatley, Christopher; Steinthorsdottir, Valgerdur; Vaudel, Marc; Juodakis, Julius; Chen, Jing; Laisk, Triin; LaBella, Abigail L.; Westergaard, David; Bacelis, Jonas; Brumpton, Ben Michael; Skotte, Line; Borges, Maria C.; Helgeland, Øyvind; Mahajan, Anubha; Wielscher, Matthias; Lin, Frederick; Briggs, Catherine; Wang, Carol A.; Moen, Gunn-Helen Øiseth; Beaumont, Robin N.; Bradfield, Jonathan P.; Abraham, Abin; Thorleifsson, Gudmar; Gabrielsen, Maiken Elvestad; Ostrowski, Sisse R.; Modzelewska, Dominika; Nøhr, Ellen Aagaard; Hypponen, Elina; Srivastava, Amit; Talbot, Octavious; Allard, Catherine; Williams, Scott M.; Menon, Ramkumar; Shields, Beverley M.; Sveinbjornsson, Gardar; Xu, Huan; Melbye, Mads; Lowe, William; Bouchard, Luigi; Oken, Emily; Pedersen, Ole B.; Gudbjartsson, Daniel F.; Erikstrup, Christian; Sørensen, Erik; Lie, Rolv T.; Teramo, Kari; Hallman, Mikko; Juliusdottir, Thorhildur; Hakonarson, Hakon; Ullum, Henrik; Hattersley, Andrew T.; Sletner, Line; Merialdi, Mario; Rifas-Shiman, Sheryl L.; Steingrimsdottir, Thora; Scholtens, Denise; Power, Christine; West, Jane; Nyegaard, Mette; Capra, John A.; Skogholt, Anne Heidi; Magnus, Per Minor; Andreassen, Ole; Thorsteinsdottir, Unnur; Grant, Struan F. A.; Qvigstad, Elisabeth; Pennell, Craig E.; Hivert, Marie-France; Hayes, Geoffrey M.; Jarvelin, Marjo-Riitta; McCarthy, Mark I.; Lawlor, Deborah A.; Nielsen, Henriette S.; Mägi, Reedik; Rokas, Antonis; Hveem, Kristian; Stefansson, Kari; Feenstra, Bjarke; Njølstad, Pål Rasmus; Muglia, Louis J.; Freathy, Rachel M.; Johansson, Stefan; Zhang, Ge; Jacobsson, Bo (Journal article; Peer reviewed, 2023)The timing of parturition is crucial for neonatal survival and infant health. Yet, its genetic basis remains largely unresolved. We present a maternal genome-wide meta-analysis of gestational duration (n = 195,555), ... -
Genome-wide association study of offspring birth weight in 86 577 women identifies five novel loci and highlights maternal genetic effects that are independent of fetal genetics
Beaumont, Robin N.; Warrington, Nicole M.; Cavadino, Alana; Tyrrell, Jessica; Nodzenski, Michael; Horikoshi, Momoko; Geller, Frank; Myhre, Ronny; Richmond, Rebecca C.; Paternoster, Lavinia; Bradfield, Jonathan P.; Kreiner-Møller, Eskil; Huikari, Ville; Metrustry, Sarah; Lunetta, Kathryn L.; Painter, Jodie N.; Hottenga, Jouke-Jan; Allard, Catherine; Barton, Sheila J.; Espinosa, Ana; Marsh, Julie A.; Potter, Catherine; Zhang, Ge; Ang, Wei; Berry, Diane J.; Bouchard, Luigi; Das, Shikta; Hakonarson, Hakon; Heikkinen, Jani; Helgeland, Øyvind; Hocher, Berthold; Hofman, Albert; Inskip, Hazel M.; Jones, Samuel E.; Kogevinas, Manolis; Lind, Penelope A.; Marullo, Letizia; Medland, Sarah E.; Murray, Anna; Murray, Jeffrey C.; Njølstad, Pål Rasmus; Nohr, Ellen A.; Reichetzeder, Christoph; Ring, Susan M.; Ruth, Katherine S.; Santa-Marina, Loreto; Scholtens, Denise M.; Sebert, Sylvain; Sengpiel, Verena; Tuke, Marcus A.; Vaudel, Marc; Weedon, Michael N.; Willemsen, Gonneke; Wood, Andrew R.; Yaghootkar, Hanieh; Muglia, Louis J.; Bartels, Meike; Relton, Caroline L.; Pennell, Craig E.; Chatzi, Leda; Estivill, Xavier; Holloway, John W.; Boomsma, Dorret I.; Montgomery, Grant W.; Murabito, Joanne M.; Spector, Tim D.; Power, Christine; Järvelin, Marjo-Riitta; Bisgaard, Hans; Grant, Struan F.A.; Sørensen, Thorkild I.A.; Jaddoe, Vincent W.; Jacobsson, Bo; Melbye, Mads; McCarthy, Mark I.; Hattersley, Andrew T.; Hayes, M. Geoffrey; Hivert, Marie-France; Frayling, Timothy M.; Felix, Janine F.; Hyppönen, Elina; Lowe, William L.; Evans, David M.; Lawlor, Debbie A.; Feenstra, Bjarke; Freathy, Rachel M. (Peer reviewed; Journal article, 2018-02)Genome-wide association studies of birth weight have focused on fetal genetics, whereas relatively little is known about the role of maternal genetic variation. We aimed to identify maternal genetic variants associated ... -
Genome-wide association study reveals dynamic role of genetic variation in infant and early childhood growth
Helgeland, Øyvind; Vaudel, Marc; Juliusson, Petur Benedikt; Holmen, Oddgeir Lingaas; Juodakis, Julius; Bacelis, Jonas; Jacobsson, Bo; Lindekleiv, Haakon; Hveem, Kristian; Lie, Rolv T.; Knudsen, Gun Peggy Strømstad; Stoltenberg, Camilla; Magnus, Per; Sagen, Jørn V.; Molven, Anders; Johansson, Stefan; Njølstad, Pål Rasmus (Peer reviewed; Journal article, 2019-10-01)Infant and childhood growth are dynamic processes with large changes in BMI during development. By performing genome-wide association studies of BMI at 12 time points from birth to eight years (9286 children, 74,105 ... -
GWAS for autoimmune Addison's disease identifies multiple risk loci and highlights AIRE in disease susceptibility
Eriksson, Daniel; Røyrvik, Ellen Christine; Aranda-Guillen, Maribel; Berger, Amund Holte; Landegren, Nils; Artaza, Haydee; Hallgren, Åsa; Grytaas, Marianne; Strøm, Sara; Bratland, Eirik; Botusan, Ileana; Oftedal, Bergithe Eikeland; Breivik, Lars Ertesvåg; Vaudel, Marc; Helgeland, Øyvind; Falorni, Alberto; Jørgensen, Anders Palmstrøm; Hulting, Anna-Lena; Svartberg, Johan; Ekwall, Olov; Fougner, Kristian J; Wahlberg, Jeanette; Nedrebø, Bjørn Gunnar; Dahlqvist, Per; Study group, Norwegian Addison Registry; Study Group, Swedish Addison Registry; Knappskog, Per Morten; Wolff, Anette Susanne Bøe; Bensing, Sophie; Johansson, Stefan; Kämpe, Olof; Husebye, Eystein Sverre (Journal article; Peer reviewed, 2021)Autoimmune Addison’s disease (AAD) is characterized by the autoimmune destruction of the adrenal cortex. Low prevalence and complex inheritance have long hindered successful genetic studies. We here report the first ... -
Novel loci for childhood body mass index and shared heritability with adult cardiometabolic traits
Vogelezang, Suzanne; Bradfield, Jonathan P.; Ahluwalia, Tarunveer S.; Curtin, John A.; Lakka, Timo A.; Grarup, Niels; Scholz, Markus; van der Most, Peter J.; Monnereau, Claire; Stergiakouli, Evie; Heiskala, Anni; Horikoshi, Momoko; Fedko, Iryna O.; Vilor-Tejedor, Natalia; Cousminer, Diana L.; Standl, Marie; Wang, Carol A.; Viikari, Jorma; Geller, Frank; Íñiguez, Carmen; Pitkänen, Niina; Chesi, Alessandra; Bacelis, Jonas; Yengo, Loic; Torrent, Maties; Ntalla, Ioanna; Helgeland, Øyvind; Selzam, Saskia; Vonk, Judith M.; Zafarmand, Mohammed H.; Heude, Barbara; Farooqi, Ismaa Sadaf; Alyass, Akram; Beaumont, Robin N.; Have, Christian T.; Rzehak, Peter; Bilbao, Jose Ramon; Schnurr, Theresia M.; Barroso, Inês; Bønnelykke, Klaus; Beilin, Lawrence J.; Carstensen, Lisbeth; Charles, Marie-Aline; Chawes, Bo; Clément, Karine; Closa-Monasterolo, Ricardo; Custovic, Adnan; Eriksson, Johan G.; Vaudel, Marc; Njølstad, Pål Rasmus (Journal article; Peer reviewed, 2020)The genetic background of childhood body mass index (BMI), and the extent to which the well-known associations of childhood BMI with adult diseases are explained by shared genetic factors, are largely unknown. We performed ... -
Placental weight centiles adjusted for age, parity and fetal sex
Flatley, Christopher; Sole-Navais, Pol; Vaudel, Marc; Helgeland, Øyvind; Modzelewska, Dominika; Johansson, Stefan; Jacobsson, Bo; Njølstad, Pål Rasmus (Journal article; Peer reviewed, 2022)Introduction The weight of the placenta can be indicative of efficacy in nutrient and oxygen supply. Furthermore, it has been suggested that a measure of the placenta's ability to adequately supply nutrients to the fetus ... -
Population prevalence and inheritance pattern of recurrent CNVs associated with neurodevelopmental disorders in 12,252 newborns and their parents
Smajlagic, Dinka; Lavrichenko, Ksenia; Berland, Siren; Helgeland, Øyvind; Knudsen, Gun Peggy Strømstad; Vaudel, Marc; Haavik, Jan; Knappskog, Per; Njølstad, Pål Rasmus; Houge, Gunnar; Johansson, Stefan (Journal article; Peer reviewed, 2020)Recurrent copy number variations (CNVs) are common causes of neurodevelopmental disorders (NDDs) and associated with a range of psychiatric traits. These CNVs occur at defined genomic regions that are particularly prone ... -
SeeCiTe: a method to assess CNV calls from SNP arrays using trio data
Lavrichenko, Ksenia; Helgeland, Øyvind; Njølstad, Pål Rasmus; Jonassen, Inge; Johansson, Stefan (Journal article; Peer reviewed, 2021)Motivation Single nucleotide polymorphism (SNP) genotyping arrays remain an attractive platform for assaying copy number variants (CNVs) in large population-wide cohorts. However, current tools for calling CNVs are still ... -
A trans-ancestral meta-analysis of genome-wide association studies reveals loci associated with childhood obesity
Bradfield, Jonathan P.; Vogelezang, Suzanne; Felix, Janine F.; Chesi, Alessandra; Helgeland, Øyvind; Horikoshi, Momoko; Karhunen, Ville; Lowry, Estelle; Cousminer, Diana L.; Ahluwalia, Tarunveer S.; Thiering, Elisabeth; Boh, Eileen Tai-Hui; Zafarmand, Mohammad H.; Vilor-Tejedor, Natalia; Wang, Carol A.; Joro, Raimo; Chen, Zhanghua; Gauderman, William J.; Pitkänen, Niina; Parra, Esteban J.; Fernandez-Rhodes, Lindsay; Alyass, Akram; Monnereau, Claire; Curtin, John A.; Have, Christian T.; McCormack, Shana E.; Hollensted, Mette; Frithioff-Bøjsøe, Christine; Valladares-Salgado, Adan; Peralta-Romero, Jesus; Teo, Yik-Ying; Standl, Marie; Leinonen, Jaakko T.; Holm, Jens-Christian; Peters, Triinu; Vioque, Jesus; Vrijheid, Martine; Simpson, Angela; Custovic, Adnan; Vaudel, Marc; Canouil, Mickaël; Lindi, Virpi; Atalay, Mustafa; Kahonen, Mika; Raitakari, Olli T.; van Schaik, Barbera D.C.; Berkowitz, Robert I.; Cole, Shelley A.; Voruganti, V. Saroja; Wang, Yujie; Highland, Heather M.; Comuzzie, Anthony G.; Butte, Nancy F.; Justice, Anne E.; Gahagan, Sheila; Blanco, Estela; Lehtimäki, Terho; Lakka, Timo A.; Hebebrand, Johannes; Bonnefond, Amélie; Grarup, Niels; Froguel, Philippe; Lyytikäinen, Leo-Pekka; Cruz, Miguel; Kobes, Sayuko; Hanson, Robert L.; Zemel, Babette S.; Hinney, Anke; Teo, Koon K.; Meyre, David; North, Kari E.; Gilliland, Frank D.; Bisgaard, Hans; Bustamante, Mariona; Bønnelykke, Klaus; Pennell, Craig E.; Rivadeneira, Fernando; Uitterlinden, André G.; Baier, Leslie J.; Vrijkotte, Tanja G.M.; Heinrich, Joachim; Sørensen, Thorkild I.A.; Saw, Seang-Mei; Pedersen, Oluf; Hansen, Torben; Eriksson, Johan; Widén, Elisabeth; McCarthy, Mark I.; Njølstad, Pål Rasmus; Power, Christine; Hyppönen, Elina; Sebert, Sylvain; Brown, Christopher D.; Järvelin, Marjo-Riitta; Timpson, Nicholas J.; Johansson, Stefan; Hakonarson, Hakon; Jaddoe, Vincent W.V. (Peer reviewed; Journal article, 2019)Although hundreds of genome-wide association studies-implicated loci have been reported for adult obesity-related traits, less is known about the genetics specific for early-onset obesity and with only a few studies conducted ... -
Variants in the fetal genome near pro-inflammatory cytokine genes on 2q13 associate with gestational duration
Liu, Xueping; Helenius, Dorte; Skotte, Line; Beaumont, Robin N.; Wielscher, Matthias; Geller, Frank; Juodakis, Julius; Mahajan, Anubha; Bradfield, Jonathan P.; Lin, Frederick T.J.; Vogelezang, Suzanne; Bustamante, Mariona; Ahluwalia, Tarunveer S.; Pitkänen, Niina; Wang, Carol A.; Bacelis, Jonas; Borges, Maria C.; Zhang, Ge; Bedell, Bruce A.; Rossi, Robert M.; Skogstrand, Kristin; Peng, Shouneng; Thompson, Wesley Kurt; Appadurai, Vivek; Lawlor, Debbie A.; Kalliala, Ilkka; Power, Christine; McCarthy, Mark I.; Boyd, Heather A.; Marazita, Mary L.; Hakonarson, Hakon; Hayes, M. Geoffrey; Scholtens, Denise M.; Rivadeneira, Fernando; Jaddoe, Vincent W.V.; Vinding, Rebecca K.; Bisgaard, Hans; Knight, Bridget A.; Pahkala, Katja; Raitakari, Olli; Helgeland, Øyvind; Johansson, Stefan; Njølstad, Pål Rasmus; Fadista, João; Schork, Andrew J.; Nudel, Ron; Miller, Daniel E.; Chen, Xiaoting; Weirauch, Matthew T.; Mortensen, Preben Bo; Børglum, Anders D.; Nordentoft, Merete; Mors, Ole; Hao, Ke; Ryckman, Kelli K.; Hougaard, David M.; Kottyan, Leah C.; Pennell, Craig E.; Lyytikäinen, Leo-Pekka; Bønnelykke, Klaus; Vrijheid, Martine; Felix, Janine F.; Lowe, William L.; Grant, Struan F.A.; Hyppönen, Elina; Jacobsson, Bo; Jarvelin, Marjo-Riitta; Muglia, Louis J.; Murray, Jeffrey C.; Freathy, Rachel M.; Werge, Thomas M.; Melbye, Mads; Buil, Alfonso; Feenstra, Bjarke (Peer reviewed; Journal article, 2019-09-02)The duration of pregnancy is influenced by fetal and maternal genetic and non-genetic factors. Here we report a fetal genome-wide association meta-analysis of gestational duration, and early preterm, preterm, and postterm ...