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Browsing by Author "Halldórsson, Bjarni"

Browsing by Author "Halldórsson, Bjarni"

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    A Clinical Decision Support System for the Diagnosis, Fracture Risks and Treatment of Osteoporosis 
    Halldórsson, Bjarni; Bjornsson, Aron Hjalti; Guðmundsson, Haukur Týr; Birgisson, Elvar Orn; Ludviksson, Bjorn; Gudbjornsson, Bjorn (Hindawi Limited, 2015)
    Expanding medical knowledge increases the potential risk of medical errors in clinical practice. We present, OPAD, a clinical decision support systemin the field of the medical care of osteoporosis. We utilize clinical information from international ...
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    Clinical decision support system for the management of osteoporosis compared to NOGG guidelines and an osteology specialist: a validation pilot study 
    Guðmundsson, Haukur Týr; Hansen, Karen E.; Halldórsson, Bjarni; Ludviksson, Bjorn; Gudbjornsson, Bjorn (Springer Science and Business Media LLC, 2019-02-01)
    Background: Although osteoporosis is an easily diagnosed and treatable condition, many individuals remain untreated. Clinical decision support systems might increase appropriate treatment of osteoporosis. We designed the Osteoporosis Advisor (OPAD), a ...
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    DNA methylation as a mediator of HLA-DRB1*15:01 and a protective variant in multiple sclerosis 
    Kular, Lara; Liu, Yun; Ruhrmann, Sabrina; Zheleznyakova, Galina; Marabita, Francesco; Gomez-Cabrero, David; James, Tojo; Ewing, Ewoud; Lindén, Magdalena; Górnikiewicz, Bartosz; Aeinehband, Shahin; Stridh, Pernilla; Link, Jenny; Andlauer, Till F. M.; Gasperi, Christiane; Wiendl, Heinz; Zipp, Frauke; Gold, Ralf; Tackenberg, Björn; Weber, Frank; Hemmer, Bernhard; Strauch, Konstantin; Heilmann-Heimbach, Stefanie; Rawal, Rajesh; Schminke, Ulf; Schmidt, Carsten O.; Kacprowski, Tim; Franke, Andre; Laudes, Matthias; Dilthey, Alexander T.; Celius, Elisabeth G.; Søndergaard, Helle B.; Tegnér, Jesper; Harbo, Hanne F.; Oturai, Annette B.; Sigurgeir Ólafsson; Eggertsson, Hannes; Halldórsson, Bjarni; Hjaltason, Haukur; Elías Ólafsson; Jonsdottir, Ingileif; Stefansson, Kari; Olsson, Tomas; Piehl, Fredrik; Ekström, Tomas J.; Kockum, Ingrid; Feinberg, Andrew P.; Jagodic, Maja (Springer Science and Business Media LLC, 2018-06-19)
    The human leukocyte antigen (HLA) haplotype DRB1*15:01 is the major risk factor for multiple sclerosis (MS). Here, we find that DRB1*15:01 is hypomethylated and predominantly expressed in monocytes among carriers of DRB1*15:01. A differentially methylated ...
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    Eighty-eight variants highlight the role of T cell regulation and airway remodeling in asthma pathogenesis 
    Ólafsdóttir, Þórunn Ásta; Theódórs, Fannar; Bjarnadóttir, Kristbjörg; Björnsdóttir, Unnur Steina; Agustsdottir, Arna B.; Stefánsson, Ólafur A.; Ivarsdottir, Erna; Sigurðsson, Jón K.; Benónísdóttir, Stefanía; Eyjólfsson, Guðmundur I.; Gíslason, Davíð; Gislason, Thorarinn; Guðmundsdóttir, Steinunn; Gylfason, Arnaldur; Halldórsson, Bjarni; Halldorsson, Gisli; Júlíusdóttir, Þórhildur; Kristinsdottir, Anna M.; Lúðvíksdóttir, Dóra; Ludviksson, Bjorn; Másson, Gísli; Norland, Kristjan; Onundarson, Pall; Olafsson, Isleifur; Sigurdardottir, Olof; Stefánsdóttir, Lilja; Sveinbjörnsson, Garðar; Tragante do O, Vinicius; Gudbjartsson, Daniel; Þorleifsson, Guðmar; sulem, patrick; Thorsteinsdottir, Unnur; Norddahl, Guðmundur L.; Jonsdottir, Ingileif; Stefansson, Kari (Springer Science and Business Media LLC, 2020-01-20)
    Asthma is one of the most common chronic diseases affecting both children and adults. We report a genome-wide association meta-analysis of 69,189 cases and 702,199 controls from Iceland and UK biobank. We find 88 asthma risk variants at 56 loci, 19 ...
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    Genome-wide association identifies seven loci for pelvic organ prolapse in Iceland and the UK Biobank 
    Ólafsdóttir, Thorhildur; Thorleifsson, Gudmar; sulem, patrick; Stefánsson, Ólafur A.; Medek, Helga; Olafsson, Karl; Ingþórsson, Orri; Guðmundsson, Valur; Jonsdottir, Ingileif; Halldorsson, Gisli; Kristjansson, Ragnar; Frigge, Michael L.; Stefánsdóttir, Lilja; Sigurðsson, Jón K.; Oddsson, Asmundur; Sigurðsson, Ásgeir; Eggertsson, Hannes P.; Melsted, Páll; Halldórsson, Bjarni; Lund, Sigrún Helga; Styrkarsdottir, Unnur; Steinthorsdottir, Valgerdur; Gudmundsson, Julius; Holm, Hilma; Tragante do O, Vinicius; Asselbergs, Folkert; Thorsteinsdottir, Unnur; Gudbjartsson, Daniel; Jónsdóttir, Kristín; Rafnar, Thorunn; Stefansson, Kari (Springer Science and Business Media LLC, 2020-03-17)
    Pelvic organ prolapse (POP) is a downward descent of one or more of the pelvic organs, resulting in a protrusion of the vaginal wall and/or uterus. We performed a genome-wide association study of POP using data from Iceland and the UK Biobank, a total ...
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    GraphTyper2 enables population-scale genotyping of structural variation using pangenome graphs 
    Eggertsson, Hannes; Kristmundsdóttir, Snædís; Beyter, Doruk; Jónsson, Hákon; Skúladóttir, Ástrós; Hardarson, Marteinn; Gudbjartsson, Daniel; Stefansson, Kari; Halldórsson, Bjarni; Melsted, Páll (Springer Science and Business Media LLC, 2019-11-27)
    Analysis of sequence diversity in the human genome is fundamental for genetic studies. Structural variants (SVs) are frequently omitted in sequence analysis studies, although each has a relatively large impact on the genome. Here, we present GraphTyper2, ...
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    Identification of Lynch syndrome risk variants in the Romanian population 
    Iordache, Paul; Mates, Dana; Gunnarsson, Bjarni; Eggertsson, Hannes; sulem, patrick; Benonisdottir, Stefania; Csiki, Irma Eva; Rascu, Stefan; Radavoi, Daniel; Ursu, Radu; Staicu, Catalin; Calota, Violeta; Voinoiu, Angelica; Jinga, Mariana; Rosoga, Gabriel; Danau, Razvan; Sima, Sorin Cristian; Badescu, Daniel; Suciu, Nicoleta; Radoi, Viorica; Mates, Ioan Nicolae; Dobra, Mihai; Nicolae, Camelia; Kristjansdottir, Sigrun; Jónasson, Jón G.; Manolescu, Andrei; Arnadottir, Gudny; Jensson, Brynjar Örn; Jonasdottir, Aslaug; Sigurdsson, Asgeir; le Roux, Louise; Johannsdottir, Hrefna; Rafnar, Thorunn; Halldórsson, Bjarni; Jinga, Viorel; Stefansson, Kari (Wiley, 2018-10-16)
    Two familial forms of colorectal cancer (CRC), Lynch syndrome (LS) and familial adenomatous polyposis (FAP), are caused by rare mutations in DNA mismatch repair genes (MLH1, MSH2, MSH6, PMS2) and the genes APC and MUTYH, respectively. No information ...
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    Mat á efra stigs staðgöngubjaga í verðbólgumælingum á Íslandi 
    Halldórsson, Bjarni; Ottesen, Oddgeir Á.; Stefánsdóttir, Stefanía H. (Viðskiptafræðideild og hagfræðideild Háskóla Íslands, viðskiptafræðideild Háskólans í Reykjavík og Seðlabanki Íslands., 2011)
    Staðgöngubjagi stafar af því að neysluhegðun breytist frá þeim tíma sem líður frá því að vogir neyslukörfu eru metnar og fram að notkun hennar við verðbólgumælingu. Neyslukannanir sem liggja til grundvallar mati á vogum 2/3 hluta neyslukörfunnar eru ...
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    popSTR2 enables clinical and population-scale genotyping of microsatellites 
    Kristmundsdottir, Snædis; Eggertsson, Hannes P; Arnadottir, Gudny A; Halldórsson, Bjarni (Oxford University Press (OUP), 2019-12-05)
    Summary: popSTR2 is an update and augmentation of our previous work ‘popSTR: a population-based microsatellite genotyper’. To make genotyping sensitive to inter-sample differences, we supply a kernel to estimate sample-specific slippage rates. For ...
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    Profile of common prostate cancer risk variants in an unscreened Romanian population 
    Iordache, Paul; Mates, Dana; Gunnarsson, Bjarni; Eggertsson, Hannes; sulem, patrick; Guðmundsson, Júlíus; Benonisdottir, Stefania; Csiki, Irma Eva; Rascu, Stefan; Radavoi, Daniel; Ursu, Radu; Staicu, Catalin; Calota, Violeta; Voinoiu, Angelica; Jinga, Mariana; Rosoga, Gabriel; Danau, Razvan; Sima, Sorin Cristian; Badescu, Daniel; Suciu, Nicoleta; Radoi, Viorica; Manolescu, Andrei; Rafnar, Thorunn; Halldórsson, Bjarni; Jinga, Viorel; Stefansson, Kari (Wiley, 2017-12-20)
    To find sequence variants affecting prostate cancer (PCA) susceptibility in an unscreened Romanian population we use a genome‐wide association study (GWAS). The study population included 990 unrelated pathologically confirmed PCA cases and 1034 male ...
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    Sequence variants associating with urinary biomarkers 
    Benonisdottir, Stefania; Kristjansson, Ragnar P; Oddsson, Asmundur; Steinthorsdottir, Valgerdur; Mikaelsdottir, Evgenia; Kehr, Birte; Jensson, Brynjar O; Arnadottir, Gudny A; Sulem, Gerald; Sveinbjornsson, Gardar; Kristmundsdóttir, Snædís; Ívarsdóttir, Erna V.; Tragante, Vinicius; Gunnarsson, Bjarni; Runolfsdottir, Hrafnhildur Linnet; Arthur, Joseph G; Deaton, Aimee M; Eyjolfsson, Gudmundur I; Davidsson, Olafur B; Asselbergs, Folkert W; Hreidarsson, Astradur B; Rafnar, Thorunn; Thorleifsson, Gudmar; Edvardsson, Vidar; Sigurdsson, Gunnar; Helgadottir, Anna; Halldórsson, Bjarni; Masson, Gisli; Holm, Hilma; Önundarson, Páll Torfi; Indridason, Olafur S; Benediktsson, Rafn; Palsson, Runolfur; Gudbjartsson, Daniel F; Olafsson, Isleifur; Thorsteinsdottir, Unnur; sulem, patrick; Stefansson, Kari (Oxford University Press (OUP), 2018-11-24)
    Urine dipstick tests are widely used in routine medical care to diagnose kidney and urinary tract and metabolic diseases. Several environmental factors are known to affect the test results, whereas the effects of genetic diversity are largely unknown. ...
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    Variants associating with uterine leiomyoma highlight genetic background shared by various cancers and hormone-related traits 
    Rafnar, Thorunn; Bjarni Gunnarsson; Ólafur A. Stefánsson; sulem, patrick; Ingason, Andrés; Frigge, Michael L.; Lilja Stefánsdóttir; Jón K. Sigurðsson; Tragante, Vinicius; Steinthorsdottir, Valgerdur; Styrkarsdottir, Unnur; Stacey, Simon N.; Gudmundsson, Julius; Arnadottir, Gudny; Oddsson, Asmundur; Zink, Florian; Halldorsson, Gisli; Sveinbjornsson, Gardar; Kristjansson, Ragnar; Ólafur B. Davíðsson; Anna Þórhildur Salvarsdóttir; Ásgeir Thoroddsen; Elísabet A. Helgadottir; Katrín Kristjánsdóttir; Orri Ingþórsson; Valur Guðmundsson; Geirsson, Reynir T.; Ragnheiður Árnadottir; Gudbjartsson, Daniel; Másson, Gísli; Asselbergs, Folkert W.; Jón Gunnlaugur Jónasson; Karl Ólafsson; Thorsteinsdottir, Unnur; Halldórsson, Bjarni; Thorleifsson, Gudmar; Stefansson, Kari (Springer Science and Business Media LLC, 2018-09-07)
    Uterine leiomyomas are common benign tumors of the myometrium. We performed a meta-analysis of two genome-wide association studies of leiomyoma in European women (16,595 cases and 523,330 controls), uncovering 21 variants at 16 loci that associate with ...
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    Whole genome characterization of sequence diversity of 15,220 Icelanders 
    Jónsson, Hákon; sulem, patrick; Kehr, Birte; Kristmundsdóttir, Snædís; Zink, Florian; Hjartarson, Eiríkur; Hardarson, Marteinn; Hjorleifsson, Kristjan; Eggertsson, Hannes; Guðjónsson, Sigurjón Axel; Ward, Lucas D.; Arnadottir, Gudny; Helgason, Einar A.; Helgason, Hannes; Gylfason, Arnaldur; Jónasdóttir, Aðalbjörg; Jónasdóttir, Áslaug; Rafnar, Thorunn; Besenbacher, Soren; Frigge, Michael L.; Stacey, Simon N.; Magnússon, Ólafur T.; Þorsteinsdóttir, Unnur; Másson, Gísli; Kong, Augustine; Halldórsson, Bjarni; Helgason, Agnar; Gudbjartsson, Daniel; Stefansson, Kari (Springer Nature, 2017-09-21)
    Understanding of sequence diversity is the cornerstone of analysis of genetic disorders, population genetics, and evolutionary biology. Here, we present an update of our sequencing set to 15,220 Icelanders who we sequenced to an average genome-wide ...