Blar i Bergen Open Research Archive på forfatter "Haaland, Øystein Ariansen"
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A genome-wide scan of cleft lip triads identifies parent-of-origin interaction effects between ANK3 and maternal smoking, and between ARHGEF10 and alcohol consumption
Haaland, Øystein Ariansen; Romanowska, Julia; Gjerdevik, Miriam; Lie, Rolv T.; Gjessing, Håkon K.; Jugessur, Astanand (Peer reviewed; Journal article, 2019-06-24)Background: Although both genetic and environmental factors have been reported to influence the risk of isolated cleft lip with or without cleft palate (CL/P), the exact mechanisms behind CL/P are still largely unaccounted ... -
A genome-wide search for gene-environment effects in isolated cleft lip with or without cleft palate triads points to an interaction between maternal periconceptional vitamin use and variants in ESRRG
Haaland, Øystein Ariansen; Lie, Rolv T.; Romanowska, Julia; Gjerdevik, Miriam; Gjessing, Håkon K.; Jugessur, Astanand (Peer reviewed; Journal article, 2018-02-26)Background: It is widely accepted that cleft lip with or without cleft palate (CL/P) results from the complex interplay between multiple genetic and environmental factors. However, a robust investigation of these ... -
Haplin power analysis: a software module for power and sample size calculations in genetic association analyses of family triads and unrelated controls
Gjerdevik, Miriam; Jugessur, Astanand; Haaland, Øystein Ariansen; Romanowska, Julia; Lie, Rolv T.; Cordell, Heather J.; Gjessing, Håkon K. (Peer reviewed; Journal article, 2019-04-02)Background: Log-linear and multinomial modeling offer a flexible framework for genetic association analyses of offspring (child), parent-of-origin and maternal effects, based on genotype data from a variety of child-parent ... -
Health equity impact of community-initiated kangaroo mother care: a randomized controlled trial
Choudhary, Tarun Shankar; Mazumder, Sarmila; Haaland, Øystein Ariansen; Taneja, Sunita; Bahl, Rajiv; Martines, Jose Carlos; Bhan, Maharaj Kishan; Johansson, Kjell Arne; Sommerfelt, Halvor; Bhandari, Nita; Norheim, Ole Frithjof (Journal article; Peer reviewed, 2021)Background: Kangaroo mother care (KMC) can substantially enhance overall survival of low birthweight babies. In a large randomized controlled trial, we recently showed that supporting mothers to provide community initiated ... -
Impaired cerebrovascular reactivity may predict delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage
Bøthun, Marianne Lundervik; Haaland, Øystein Ariansen; Moen, Gunnar; Logallo, Nicola; Svendsen, Frode; Thomassen, Lars; Helland, Christian Andre (Peer reviewed; Journal article, 2019)Introduction: Delayed cerebral ischemia (DCI) is a major cause of disability and death after aneurysmal subarachnoid hemorrhage. The literature suggests that impaired cerebrovascular reactivity (CVR) may be a predictor for ... -
Isolated oral clefts and school grades: population-based cohort study from Norway
Gjerdevik, Miriam; Lie, Rolv T.; Haaland, Øystein Ariansen; Berg, Erik; Feragen, Kristin Billaud; Sivertsen, Åse (Journal article; Peer reviewed, 2021)Objective To compare school grades of adolescents in Norway born with isolated cleft with those of their unaffected peers. Design Population-based cohort study. Setting Norway. Patients A total of 347 419 individuals ... -
Life expectancy can increase by up to 10 years following sustained shifts towards healthier diets in the United Kingdom
Fadnes, Lars T.; Celis-Morales, Carlos; Økland, Jan-Magnus; Parra-Soto, Solange; Livingstone, Katherine M.; Ho, Frederick K.; Pell, Jill P.; Balakrishna, Rajiv; Javadi Arjmand, Elaheh; Johansson, Kjell Arne; Haaland, Øystein Ariansen; Mathers, John C. (Journal article; Peer reviewed, 2023)Adherence to healthy dietary patterns can prevent the development of non-communicable diseases and affect life expectancy. Here, using a prospective population-based cohort data from the UK Biobank, we show that sustained ... -
Maternal physical activity affects yolk sac size and growth in early pregnancy, but girls and boys use different strategies
Vietheer, Alexander; Kiserud, Torvid; Ebbing, Cathrine; Rajkumar, Hemamaalini; Haaland, Øystein Ariansen; Lie, Rolv T.; Romero, Roberto; Kessler, Jørg (Journal article; Peer reviewed, 2023)This longitudinal study investigated the impact of actigraphy-measured maternal physical activity on yolk sac size during early development. The yolk sac, a transient extraembryonic organ, plays a crucial role in embryonic ... -
Maternal use of folic acid and multivitamin supplements and infant risk of birth defects in Norway, 1999–2013
Gildestad, Trude; Bjørge, Tone; Haaland, Øystein Ariansen; Klungsøyr, Kari; Vollset, Stein Emil; Øyen, Nina (Journal article; Peer reviewed, 2020)The association between folic acid supplementation and birth defects other than neural tube defects (NTD) remains unclear. We used a log-binomial regression model to investigate if periconceptional folic acid and/or ... -
Modulating Wnt signaling in human induced pluripotent stem cell-derived S7 cells
Vethe, Heidrun; Ghila, Luiza; Berle, Magnus; Hoareau, Laurence; Haaland, Øystein Ariansen; Scholz, Hanne; Paulo, Joao A.; Chera, Simona; Ræder, Helge (Peer reviewed; Journal article, 2019)Current published protocols for targeted differentiation of human stem cells toward pancreatic β-cells fail to deliver sufficiently mature cells with functional properties comparable to human islet β-cells. We aimed to ... -
A new approach to chromosome-wide analysis of X-linked markers identifies new associations in Asian and European case-parent triads of orofacial clefts
Skare, Øivind; Gjessing, Håkon K.; Gjerdevik, Miriam; Haaland, Øystein Ariansen; Romanowska, Julia; Lie, Rolv T.; Jugessur, Astanand (Peer reviewed; Journal article, 2017-09-06)Background: GWAS discoveries on the X-chromosome are underrepresented in the literature primarily because the analytical tools that have been applied were originally designed for autosomal markers. Our objective here is ... -
Parent-of-origin-environment interactions in case-parent triads with or without independent controls
Gjerdevik, Miriam; Haaland, Øystein Ariansen; Romanowska, Julia; Lie, Rolv T.; Jugessur, Astanand; Gjessing, Håkon K. (Peer reviewed; Journal article, 2018-03)With case–parent triad data, one can frequently deduce parent of origin of the child's alleles. This allows a parent‐of‐origin (PoO) effect to be estimated as the ratio of relative risks associated with the alleles inherited ... -
Protecting essential health services in low-income and middle-income countries and humanitarian settings while responding to the COVID-19 pandemic
Blanchet, Karl; Alwan, Ala; Antoine, Caroline; Cros, Marion Jane; Feroz, Ferozuddin; Amsalu Guracha, Tseguaneh; Haaland, Øystein Ariansen; Hailu, Alemayehu; Hangoma, Peter; Jamison, Dean T.; Memirie, Solomon Tessema; Miljeteig, Ingrid; Jan Naeem, Ahmad; Nam, Sara L.; Norheim, Ole Frithjof; Verguet, Stéphane; Watkins, David; Johansson, Kjell Arne (Journal article; Peer reviewed, 2020)In health outcomes terms, the poorest countries stand to lose the most from these disruptions. In this paper, we make the case for a rational approach to public sector health spending and decision making during and in the ... -
Risk factors and their impact on carotid intima-media thickness in young and middle-aged ischemic stroke patients and controls: The Norwegian Stroke in the Young Study
Fromm, Annette; Haaland, Øystein Ariansen; Næss, Halvor; Thomassen, Lars; Waje-Andreassen, Ulrike (Peer reviewed; Journal article, 2014-03-26)Background: Vascular morbidity and mortality due to cardiovascular disease (CVD) are high after ischemic stroke at a young age. Data on carotid intima-media thickness (cIMT) as marker of atherosclerosis are scarce for young ... -
Sleep and physical activity from before conception to the end of pregnancy in healthy women: a longitudinal actigraphy study
Vietheer, Alexander; Kiserud, Torvid; Lie, Rolv Terje; Haaland, Øystein Ariansen; Kessler, Jörg (Journal article; Peer reviewed, 2021)Background: Sleep and physical activity changes are common in pregnancy, but longitudinal data starting before conception are scarce. Our aim was to determine the changes of the daily total sleep time (TST) and physical ... -
Socio-Economic Status and Reproduction among Adults Born with an Oral Cleft: A Population-Based Cohort Study in Norway
Berg, Erik; Sivertsen, Åse; Ariansen, Anja Maria Steinsland; Filip, Charles; Vindenes, Hallvard; Feragen, Kristin Judith Billaud; Moster, Dag; Lie, Rolv T.; Haaland, Øystein Ariansen (Peer reviewed; Journal article, 2016-09-15)Background: It has been reported that people born with orofacial clefts do worse in life than their peers regarding a range of social markers, such as academic achievement and reproduction. We have compared otherwise healthy ... -
Time course of cerebrovascular reactivity in patients treated for unruptured intracranial aneurysms: A one-year transcranial Doppler and acetazolamide follow-up study
Bøthun, Marianne Lundervik; Haaland, Øystein Ariansen; Logallo, Nicola; Svendsen, Frode; Thomassen, Lars; Helland, Christian Andre (Peer reviewed; Journal article, 2018-04-26)Background. Cerebrovascular reactivity (CVR) is ofen impaired in the early phase afer aneurysmal subarachnoid hemorrhage. Tere is, however, little knowledge about the time course of CVR in patients treated for unruptured ... -
Wavelet Screening identifies regions highly enriched for differentially methylated loci for orofacial clefts
Denault, William Robert Paul; Romanowska, Julia; Haaland, Øystein Ariansen; Lyle, Robert; Taylor, Jack A.; Xu, Zongli; Lie, Rolv T.; Gjessing, Håkon K.; Jugessur, Astanand (Journal article; Peer reviewed, 2021)DNA methylation is the most widely studied epigenetic mark in humans and plays an essential role in normal biological processes as well as in disease development. More focus has recently been placed on understanding ... -
Who gets the ventilator? A multicentre survey of intensivists' opinions of triage during the first wave of the COVID-19 pandemic
Fjølner, Jesper; Haaland, Øystein Ariansen; Jung, Christian; de Lange, Dylan W.; Szczeklik, Wojciech; Leaver, Susannah; Guidet, Bertrand; Sviri, Sigal; Van Heerden, Peter Vernon; Beil, Michael; Hartog, Christiane S.; Flaatten, Hans Kristian (Journal article; Peer reviewed, 2022)Background The COVID-19 pandemic has caused a shortage of intensive care resources. Intensivists' opinion of triage and ventilator allocation during the COVID-19 pandemic is not well described. Methods This was a ...