• 1q21.1 distal copy number variants are associated with cerebral and cognitive alterations in humans 

      Sønderby, Ida Elken; van der Meer, Dennis; Moreau, Clara; Kaufmann, Tobias; Walters, G. Bragi; Ellegaard, Maria; Abdellaoui, Abdel; Ames, David; Amunts, Katrin; Andersson, Micael; Armstrong, Nicola J.; Bernard, Manon; Blackburn, Nicholas B.; Blangero, John; Boomsma, Dorret I.; Brodaty, Henry; Brouwer, Rachel M.; Bülow, Robin; Bøen, Rune; Cahn, Wiepke; Calhoun, Vince D.; Caspers, Svenja; Ching, Christopher R. K.; Cichon, Sven; Ciufolini, Simone; Crespo-Facorro, Benedicto; Curran, Joanne E.; Dale, Anders M.; Dalvie, Shareefa; Dazzan, Paola; de Geus, Eco J. C.; Zubicaray, Greig I. de; Zwarte, Sonja M. C. de; Desrivieres, Sylvane; Doherty, Joanne L.; Donohoe, Gary; Draganski, Bogdan; Ehrlich, Stefan; Eising, Else; Espeseth, Thomas; Fejgin, Kim; Fisher, Simon E.; Fladby, Tormod; Frei, Oleksandr; Frouin, Vincent; Fukunaga, Masaki; Gareau, Thomas; Ge, Tian; Glahn, David C.; Grabe, Hans J.; Groenewold, Nynke A.; Gustafsson, Omar; Haavik, Jan; Haberg, Asta Kristine; Hall, Jeremy; Hashimoto, Ryota; Hehir-Kwa, Jayne Y.; Hibar, Derrek P.; Hillegers, Manon H. J.; Hoffmann, Per; Holleran, Laurena; Holmes, Avram J.; Johansson, Stefan; Jönsson, Erik Gunnar; Hellard, Stephanie Francoise Claire Le; Lundervold, Arvid; Lundervold, Astri J.; Moberget, Torgeir; Nordvik, Jan Egil; Sando, Sigrid Botne; Steen, Vidar Martin; Tamnes, Christian Krog; Agartz, Ingrid; Djurovic, Srdjan; Westlye, Lars Tjelta; Andreassen, Ole (Journal article; Peer reviewed, 2021)
      Low-frequency 1q21.1 distal deletion and duplication copy number variant (CNV) carriers are predisposed to multiple neurodevelopmental disorders, including schizophrenia, autism and intellectual disability. Human carriers ...
    • Alpha-synuclein measured in cerebrospinal fluid from patients with Alzheimer's disease, mild cognitive impairment, or healthy controls: a two year follow-up study 

      Sando, Sigrid Botne; Albrektsen, Grethe; Møller, Ina; White, Linda; Berge, Guro; Grøntvedt, Gøril Rolfseng; Lauridsen, Camilla; Bråthen, Geir (Journal article; Peer reviewed, 2016)
      Background α-Synuclein has been proposed as a potential biomarker for Alzheimer’s disease (AD) and amnestic mild cognitive impairment (aMCI). However, results from α-synuclein measurements in cerebrospinal fluid (CSF) ...
    • Alzheimer’s disease in central Norway: Genetic and educational aspects 

      Sando, Sigrid Botne (Doktoravhandlinger ved NTNU, 1503-8181; 2008:135, Doctoral thesis, 2008)
    • Amyloid beta 1-43 as a potential biomarker for the detection of early Alzheimer’s disease 

      Lauridsen, Camilla (Doctoral theses at NTNU;2017:219, Doctoral thesis, 2017)
    • The Amyloid, Tau, and Neurodegeneration (A/T/N) Classification Applied to a Clinical Research Cohort with Long-Term Follow-Up 

      Grøntvedt, Gøril Rolfseng; Lauridsen, Camilla; Berge, Guro; White, Linda Rosemary; Salvesen, Øyvind; Bråthen, Geir; Sando, Sigrid Botne (Peer reviewed; Journal article, 2020)
      Background: The unbiased amyloid, tau, and neurodegeneration (A/T/N) classification is designed to characterize individuals in the Alzheimer continuum and is currently little explored in clinical cohorts. Objective: A ...
    • APOE ε4 lowers age at onset and is a high risk factor for Alzheimer's disease; a case control study from central Norway 

      Sando, Sigrid Botne; Melquist, Stacey; Cannon, Ashley; Hutton, Michael; Sletvold, Olav; Saltvedt, Ingvild; White, Linda; Lydersen, Stian; Aasly, Jan (Journal article; Peer reviewed, 2008)
      Background: The objective of this study was to analyze factors influencing the risk and timing of Alzheimer's disease (AD) in central Norway. The APOE ε4 allele is the only consistently identified risk factor for late ...
    • Assessment of kallikrein 6 as a cross-sectional and longitudinal biomarker for Alzheimer's disease 

      Patra, Kalicharan; Soosaipillai, Antoninus; Sando, Sigrid Botne; Lauridsen, Camilla; Berge, Guro; Møller, Ina; Grøntvedt, Gøril Rolfseng; Bråthen, Geir; Begcevic, Ilijana; Moussaud, Simon; Minthon, Lennart; Hansson, Oskar; Diamandis, Eleftherios P.; White, Linda Rosemary; Nielsen, Henrietta M. (Journal article; Peer reviewed, 2018)
      Background Kallikrein 6 (KLK6) is known to be an age-related protease expressed at high levels in the central nervous system. It was previously shown to be involved in proteolysis of extracellular proteins implicated in ...
    • C9orf72, age at onset, and ancestry help discriminate behavioral from language variants in FTLD cohorts 

      Costa, Beatrice; Manzoni, Claudia; Bernal-Quiros, Manual; Kia, Demis A.; Aguilar, Miquel; Alvarez, Ignacio; Alvarez, Victoria; Andreassen, Ole Andreas; Anfossi, Maria; Bagnoli, Silvia; Benussi, Luisa; Bernardi, Livia; Binetti, Giuliano; Blackburn, Daniel; Boada, Mercè; Borroni, Barbara; Bowns, Lucy; Bråthen, Geir; Bruni, Amalia C; Chiang, Huei-Hsin; Clarimon, Jordi; Colville, Shuna; Conidi, Maria E; Cope, Tom E; Cruchaga, Carlos; Cupidi, Chiara; Di Battista, Maria Elena; Diehl-Schmid, Janine; Diez-Fairen, Monica; Dols-Icardo, Oriol; Durante, Elisabetta; Flisar, Dusan; Frangipane, Francesca; Galimberti, Daniela; Gallo, Maura; Gallucci, Mauricio; Ghidoni, Roberta; Graff, Caroline; Grafman, Jordan H; Grossman, Murray; Hardy, John; Hernández, Isabel; Holloway, Guy J T; Huey, Edward D; Illán-Gala, Ignacio; Karydas, Anna; Khoshnood, Behzad; Kramberger, Milica G.; Kristiansen, Mark K; Sando, Sigrid Botne (Peer reviewed; Journal article, 2020)
      Objective: We sought to characterize C9orf72 expansions in relation to genetic ancestry and age at onset (AAO) and to use these measures to discriminate the behavioral from the language variant syndrome in a large pan-European ...
    • Cerebrospinal fluid A?43 is reduced in early-onset compared to late-onset Alzheimer's disease, but has similar diagnostic accuracy to A?42 

      Lauridsen, Camilla; Sando, Sigrid Botne; Møller, Ina; Berge, Guro; Pomary, Precious Kwadzo; Grøntvedt, Gøril Rolfseng; Salvesen, Øyvind; Bråthen, Geir; White, Linda (Journal article; Peer reviewed, 2017)
      Background: Amyloid beta 1–43 (Aβ43) may be a useful additional biomarker for diagnosing Alzheimer’s disease (AD). We have investigated cerebrospinal fluid (CSF) levels of Aβ43 in patients with early-onset AD in contrast ...
    • Cerebrospinal Fluid Levels of Amyloid Beta 1-43 in Patients with Amnestic Mild Cognitive Impairment or Early Alzheimer's Disease: A 2-Year Follow-Up Study 

      Lauridsen, Camilla; Sando, Sigrid Botne; Shabnam, Adiba; Møller, Ina; Berge, Guro; Grøntvedt, Gøril Rolfseng; Bakken, Inger Johanne; Salvesen, Øyvind; Bråthen, Geir; White, Linda (Journal article; Peer reviewed, 2016)
      Introduction: Biomarkers that will reliably predict the onset of Alzheimer’s disease (AD) are urgently needed. Although cerebrospinal fluid (CSF) amyloid beta 1–42 (Aβ42), total tau, and phosphorylated tau can be used to ...
    • Cerebrospinal fluid levels of amyloid beta 1-43 mirror 1-42 in relation to imaging biomarkers of Alzheimer's disease 

      Almdahl, Ina; Lauridsen, Camilla; Selnes, Per; Kalheim, Lisa Flem; Coello, Christopher; Gajdzik, Beata; Møller, Ina; Wettergreen, Marianne; Grambaite, Ramune; Bjørnerud, Atle; Bråthen, Geir; Sando, Sigrid Botne; White, Linda; Fladby, Tormod (Journal article; Peer reviewed, 2017)
    • Cognitive and Emotional Impairment after Minor Stroke and Non-ST-Elevation Myocardial Infarction (NSTEMI): A Prevalence Study 

      Morsund, Åse Hagen; Ellekjær, Hanne; Gramstad, Arne; Reiestad, Magnus Tallaksen; Midgard, Rune; Sando, Sigrid Botne; Jonsbu, Egil; Næss, Halvor (Journal article; Peer reviewed, 2019)
      Aim. To study the prevalence of cognitive and emotional impairment following a minor ischemic stroke compared to an age-matched group with non-ST-elevation myocardial infarction (NSTEMI). Methods. We included patients aged ...
    • CSF neurofilament light may predict progression from amnestic mild cognitive impairment to Alzheimer's disease dementia 

      Lim, Bryant; Grøntvedt, Gøril Rolfseng; Bathala, Pradeepthi; Kale, Shraddha S.; Campbell, Christopher T.; Stengelin, Martin; Sando, Sigrid Botne; Prassas, Ioannis; Diamandis, Eleftherios P.; Bråthen, Geir (Peer reviewed; Journal article, 2021)
      Neurofilament light (NfL) is a promising biomarker of neurodegeneration in Alzheimer's disease (AD). In this study, cerebrospinal fluid (CSF) NfL was measured in a 24-month longitudinal cohort consisting of control (n = ...
    • Demographically adjusted CERAD wordlist test norms in a Norwegian sample from 40 to 80 years 

      Kirsebom, Bjørn-Eivind; Espenes, Ragna; Hessen, Erik; Waterloo, Knut; Johnsen, Stein Harald; Gundersen, Elisabeth; Sando, Sigrid Botne; Grøntvedt, Gøril Rolfseng; Timón, Santiago; Fladby, Tormod (Journal article; Peer reviewed, 2019)
      Background/Objective: In recent years, several slightly younger cohorts have been established in order to study the preclinical and prodromal phases of dementia. The Consortium to Establish a Registry for Alzheimer’s Disease ...
    • Demographically adjusted trail making test norms in a Scandinavian sample from 41 to 84 years 

      Espenes, Johan Jacob; Hessen, Erik; Eliassen, Ingvild Vøllo; Waterloo, Knut; Eckerström, Marie; Sando, Sigrid Botne; Timón, Santiago; Wallin, Anders; Fladby, Tormod; Kirsebom, Bjørn-Eivind (Peer reviewed; Journal article, 2020)
      Objective The trail making test (TMT) is one of the most widely used neuropsychological tests. TMT-A provides measures of visual scanning/visuomotor speed and TMT-B involves additional demands on executive functions. ...
    • Factors influencing employment after minor stroke and NSTEMI 

      Morsund, Åse Hagen; Ellekjær, Hanne; Gramstad, Arne; Reiestad, Magnus Tallaksen; Midgard, Rune; Sando, Sigrid Botne; Jonsbu, Egil; Næss, Halvor (Peer reviewed; Journal article, 2020)
      Aim: To study the effect of cognitive function, fatigue and emotional symptoms on employment after a minor ischemic stroke compared to non-ST-elevation myocardial infarction (NSTEMI). Material and methods: We included ...
    • 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 ...
    • Genetically-controlled Vesicle-Associated Membrane Protein 1 expression may contribute to Alzheimer's pathophysiology and susceptibility 

      Sevlever, Daniel; Zou, Fang Geng; Ma, Li; Carrasquillo, Sebastian; Crump, Michael G; Culley, Oliver J; Hunter, Talisha A; Bisceglio, Gina; Younkin, Linda; Allen, Mariet; Carrasquillo, Minerva; Sando, Sigrid Botne; Aasly, Jan; Dickson, Dennis W; Graff-Radford, Neill; Petersen, Ronald C.; Morgan, Kevin; Belbin, Olivia (Journal article; Peer reviewed, 2015)
      Background Alzheimer’s disease is a neurodegenerative disorder in which extracellular deposition of β-amyloid (Aβ) oligomers causes synaptic injury resulting in early memory loss, altered homeostasis, accumulation of ...
    • 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 ...