Browsing NTNU Open by Author "Stefánsson, Kári"

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    • Ancient genomes from Iceland reveal the making of a human population 

      Ebenesersdóttir, Sigríður Sunna; Sandoval-Velasco, Marcela; Gunnarsdóttir, Ellen D.; Jagadeesan, Anuradha; Guðmundsdóttir, Valdís B.; Thordardóttir, Elísabet L.; Einarsdóttir, Margrét S.; Moore, Kristjan H. S.; Sigurðsson, Ásgeir; Magnúsdóttir, Droplaug N.; Jónsson, Hákon; Snorradóttir, Steinunn; Hovig, Eivind; Møller, Pål; Kockum, Ingrid; Olsson, Tomas; Alfredsson, Lars; Hansen, Thomas F.; Werge, Thomas; Cavalleri, Gianpiero L.; Gilbert, Edmund; Lalueza-Fox, Carles; Walser III, Joe W.; Kristjánsdóttir, Steinunn; Gopalakrishnan, Shyam; Arnadottir, Lilja; Magnússon, Ólafur Þ.; Gilbert, Marcus Thomas Pius; Stefánsson, Kári; Helgason, Agnar (Journal article; Peer reviewed, 2018)
      Opportunities to directly study the founding of a human population and its subsequent evolutionary history are rare. Using genome sequence data from 27 ancient Icelanders, we demonstrate that they are a combination of ...

    • Corroborating written history with ancient DNA: The case of the Well-man described in an Old Norse saga 

      Ellegaard, Martin Rene; Ebenesersdóttir, S. Sunna; Moore, Kristjan H.S.; Petersén, Anna; Vågene, Åshild J.; Bieker, Vanessa Carina; Denham, Sean Dexter; Cavalleri, Gianpiero L.; Gilbert, Edmund; Werge, Thomas; Hansen, Thomas F; Kockum, Ingrid; Alfredsson, Lars; Olsson, Tomas; Hovig, Eivind; Gilbert, Marcus Thomas Pius; Stefánsson, Kári; Stenøien, Hans Kristen; Helgason, Agnar; Martin, Michael David (Journal article; Peer reviewed, 2024)
      The potential of ancient DNA analyses to provide independent sources of information about events in the historical record remains to be demonstrated. Here we apply palaeogenomic analysis to human remains excavated from a ...

    • GBA and APOE ε4 associate with sporadic dementia with Lewy bodies in European genome wide association study 

      Rongve, Arvid; Witoelar, Aree; Ruiz, Agustín; Athanasiu, Lavinia; Abdelnour, Carla; Clarimon, Jordi; Heilmann-Heimbach, Stefanie; Hernández, Isabel; Moreno-Grau, Sonia; de Rojas, Itziar; Morenas-Rodríguez, Estrella; Fladby, Tormod; Sando, Sigrid Botne; Bråthen, Geir; Blanc, Frédéric; Bousiges, Olivier; Lemstra, Afina W.; van Steenoven, Inger; Londos, Elisabet; Almdahl, Ina Selseth; Pålhaugen, Lene; Eriksen, Jon Alm; Djurovic, Srdjan; Stordal, Eystein; Saltvedt, Ingvild; Ulstein, Ingun; Bettella, Francesco; Desikan, Rahul S.; Idland, Ane-Victoria; Toft, Mathias; Pihlstrøm, Lasse; Snaedal, Jon; Tárraga, Lluís; Boada, Mercè; Lleó, Alberto; Stefánsson, Hreinn; Stefánsson, Kári; Ramírez, Alfredo; Aarsland, Dag; Andreassen, Ole Andreas (Journal article; Peer reviewed, 2019)
      Dementia with Lewy Bodies (DLB) is a common neurodegenerative disorder with poor prognosis and mainly unknown pathophysiology. Heritability estimates exceed 30% but few genetic risk variants have been identified. Here we ...

    • The genetic history of Scandinavia from the Roman Iron Age to the present 

      Rodriguez-Varela, Ricardo; Moore, Kristjan H.S.; Ebenesersdottir, Sunna; Kilinc, Gulsah; Kjellström, Anna; Papmehl-Dufay, Ludvig; Alfsdotter, Clara; Berglund, Birgitta; Alrawi, Loey; Kashuba, Natlija; Sobrado, Veronica; Lagerholm, Vendela Kempe; Gilbert, Edmund; Cavalleri, Gianpiero L.; Hovig, Eivind; Kockum, Ingrid; Olsson, Tomas; Alfredsson, Lars; Hansen, Thomas F.; Werge, Thomas; Munters, Arielle R.; Bernhardsson, Carolina; Skar, Birgitte; Christophersen, Axel; Turner-Walker, Gordon; Gopalakrishnan, Shyam; Daskalaki, Evangelia; Omrak, Ayca; Perez-Ramallo, Patxi; Skoglund, Pontus; Girdland-Flink, Linus; Gunnarsson, Fredrik; Hedenstierna-Jonson, Charlotte; Gilbert, Marcus Thomas Pius; Lidén, Kerstin; Jakobsson, Mattias; Einarsson, Lars Petter; Victor, Helena; Krzewinska, Maja; Zachrisson, Torun; Storå, Jan; Stefánsson, Kári; Helgason, Agnar; Götherström, Anders (Peer reviewed; Journal article, 2023)
      We investigate a 2,000-year genetic transect through Scandinavia spanning the Iron Age to the present, based on 48 new and 249 published ancient genomes and genotypes from 16,638 modern individuals. We find regional variation ...

    • A genome-wide association study with 1,126,563 individuals identifies new risk loci for Alzheimer's disease 

      Wightman, Douglas P.; Jansen, Iris E.; Savage, Jeanne E.; Shadrin, Alexey; Bahrami, Shahram; Holland, Dominic; Rongve, Arvid; Børte, Sigrid; Winsvold, Bendik K S; Drange, Ole Kristian; Martinsen, Amy E.; Skogholt, Anne Heidi; Willer, Cristen; Bråthen, Geir; Bosnes, Ingunn; Nielsen, Jonas Bille; Fritsche, Lars; Thomas, Laurent; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Meisingset, Tore Wergeland; Zhou, Wei; Proitsi, Petroula; Hodges, Angela; Dobson, Richard; Velayudhan, Latha; Sealock, Julia; Davis, Lea K.; Pedersen, Nancy L.; Reynolds, Chandra A.; Karlsson, Ida K.; Magnusson, Sigurdur; Stefansson, Hreinn; Thordardottir, Steinunn; Jónsson, Pálmi V.; Snædal, Jon; Zettergren, Anna; Skoog, Ingmar; Kern, Silke; Waern, Margda; Zetterberg, Henrik; Blennow, Kaj; Stordal, Eystein; Hveem, Kristian; Zwart, John Anker Henrik; Athanasiu, Lavinia; Selnes, Per; Saltvedt, Ingvild; Sando, Sigrid Botne; Ulstein, Ingun; Djurovic, Srdjan; Fladby, Tormod; Aarsland, Dag; Selbæk, Geir; Ripke, Stephan; Stefánsson, Kári; Andreassen, Ole; Posthuma, Danielle (Journal article; Peer reviewed, 2021)
      Late-onset Alzheimer’s disease is a prevalent age-related polygenic disease that accounts for 50–70% of dementia cases. Currently, only a fraction of the genetic variants underlying Alzheimer’s disease have been identified. ...

    • Genome-wide meta-analysis identifies new loci and functional pathways influencing Alzheimer's disease risk 

      Jansen, Iris E.; Savage, Jeanne E.; Watanabe, Kyoko; Bryois, Julien; Williams, Dylan M.; Steinberg, Stacy; Sealock, Julia; Karlsson, Ida K.; Hägg, Sara; Athanasiu, Lavinia; Voyle, Nicola; Proitsi, Petroula; Witoelar, Aree; Stringer, Sven; Aarsland, Dag; Almdahl, Ina Selseth; Andersen, Fred; Bergh, Sverre; Bettella, Francesco; Björnsson, Sigurbjörn; Brækhus, Anne; Bråthen, Geir; de Leeuw, Christiaan A.; Desikan, Rahul S.; Djurovic, Srdjan; Dumitrescu, Logan; Fladby, Tormod; Hohman, Timothy J.; Jónsson, Pálmi V.; Kiddle, Steven J; Rongve, Arvid; Saltvedt, Ingvild; Sando, Sigrid Botne; Selbæk, Geir; Shoai, Maryam; Skene, Nathan G.; Snædal, Jón G.; Stordal, Eystein; Ulstein, Ingun; Wang, Yunpeng; White, Linda Rosemary; Hardy, John; Hjerling-Leffler, Jens; Sullivan, Patrick; van der Flier, Wiesje M.; Dobson, Richard; Davis, Lea K; Stefánsson, Hreinn; Stefánsson, Kári; Pedersen, Nancy L; Ripke, Stephan; Andreassen, Ole Andreas; Posthuma, Danielle (Journal article; Peer reviewed, 2019)
      Alzheimer’s disease (AD) is highly heritable and recent studies have identified over 20 disease-associated genomic loci. Yet these only explain a small proportion of the genetic variance, indicating that undiscovered loci ...

    • Polygenic interactions with environmental exposures in blood pressure regulation: the HUNT study 

      Øvretveit, Karsten; Ingeström, Emma Maria Lovisa; Spitieris, Michail; Tragante, Vinicius; Thomas, Laurent Francois; Steinsland, Ingelin; Brumpton, Ben Michael; Gudbjartsson, Daníel Fannar; Hólm, Hilma; Stefánsson, Kári; Wisløff, Ulrik; Hveem, Kristian (Journal article; Peer reviewed, 2024)
      Background: The essential hypertension phenotype results from an interplay between genetic and environmental factors. The influence of lifestyle exposures such as excess adiposity, alcohol consumption, tobacco use, diet, ...

    • Polygenic overlap between C-reactive protein, plasma lipids, and Alzheimer disease 

      Desikan, Rahul S.; Schork, Andrew J.; Wang, Yunpeng; Thompson, Wesley K.; Dehghan, Abbas; Ridker, Paul M.; Chasman, Daniel I.; McEvoy, Linda K.; Holland, Dominic; Chen, Chi-Hua; Karow, David S.; Brewer, James B.; Hess, Christopher P.; Williams, Julie; Sims, Rebecca; O'Donovan, Michael C.; Choi, Seung Hoan; Bis, Joshua C.; Ikram, M. Arfan; Gudnason, Vilmundur; DeStefano, Anita L.; Van Der Lee, Sven J.; Psaty, Bruce M.; Van Duijn, Cornelia M.; Launer, Lenore; Seshadri, Sudha; Pericak-Vance, Margaret A.; Mayeux, Richard; Haines, Jonathan L.; Farrer, Lindsay A.; Hardy, John; Ulstein, Ingun; Aarsland, Dag; Fladby, Tormod; White, Linda; Sando, Sigrid Botne; Rongve, Arvid; Witoelar, Aree; Djurovic, Srdjan; Hyman, Bradley T.; Snædal, Jon; Steinberg, Stacy; Stefansson, Hreinn; Stefánsson, Kári; Schellenberg, Gerard D.; Andreassen, Ole Andreas; Dale, Anders (Journal article; Peer reviewed, 2015)
      Background—Epidemiological findings suggest a relationship between Alzheimer disease (AD), inflammation, and dyslipidemia, although the nature of this relationship is not well understood. We investigated whether this ...

    • Polygenic risk scores associate with blood pressure traits across the lifespan 

      Øvretveit, Karsten; Ingeström, Emma Maria Lovisa; Spitieris, Michail; Tragante, Vinicius; Wade, Kaitlin Hazel; Thomas, Laurent Francois; Wolford, Brooke Nichole; Wisløff, Ulrik; Gudbjartsson, Daníel Fannar; Hólm, Hilma Asbjørn; Stefánsson, Kári; Brumpton, Ben Michael; Hveem, Kristian (Peer reviewed; Journal article, 2023)
      Aims Hypertension is a major modifiable cause of morbidity and mortality that affects over 1 billion people worldwide. Blood pressure (BP) traits have a strong genetic component that can be quantified with polygenic risk ...

    • The population genomic legacy of the second plague pandemic 

      Gopalakrishnan, Shyam; Ebenesersdottir, S.Sunna; Lundstrøm, Inge K.C.; Turner-Walker, Gordon; Moore, Kristjan H.S.; Luisi, Pierre; Magaryan, Ashot; Martin, Michael D.; Ellegaard, Martin Rene; Magnusson, Olafur T.; Sigurdsson, Asgeir; Snorradóttir, Steinunn; Magnúsdóttir, Droplaug N.; Laffoon, Jason E.; van Dorp, Lucy; Liu, Xiaodong; Moltke, Ida; Avila-Arcos, María C.; Schraiber, Joshua G.; Rasmussen, Simon; Juan, David; Galabert, Pere; De-Dios, Toni; Fotakis, Anna K.; Iraeta-Orbegozo, Miren; Vågene, Åshild J.; Denham, Sean Dexter; Christophersen, Axel; Stenøien, Hans K.; Vieira, Filipe G.; Liu, Shanlin; Günther, Torsten; Kivisild, Toomas; Moseng, Ole Georg; Skar, Birgitte; Cheung, Christina; Sandoval-Velasco, Marcela; Wales, Nathan; Schroeder, Hannes; Campos, Paula F.; Gudmundsdottir, Valdis B; Sicheritz - Ponten, Thomas; Petersen, Bent; Halgunset, Jostein; Gilbert, Edmund; Cavalleri, Gianpiero L.; Hovig, Eivind; Kockum, Ingrid; Olsson, Tomas; Alfredsson, Lars; Hansen, Thomas F.; Werge, Thomas; Willerslev, Eske; Balloux, Francois; Marquès-Bonet, Tomás; Lalueza-Fox, Carles; Nielsen, Rasmus; Stefánsson, Kári; Helgason, Agnar; Gilbert, Thomas P. (Peer reviewed; Journal article, 2022)
      Human populations have been shaped by catastrophes that may have left long-lasting signatures in their genomes. One notable example is the second plague pandemic that entered Europe in ca. 1,347 CE and repeatedly returned ...