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7. 1q21.1 distal copy number variants are associated with cerebral and cognitive alterations in humans

Author

Sønderby, I.E., van der Meer, D., Moreau, C., Kaufmann, T., Walters, G.B., Ellegaard, M., Abdellaoui, A., Ames, D., Amunts, K., Andersson, M., Armstrong, N.J., Bernard, M., Blackburn, N.B., Blangero, J., Boomsma, D.I., Brodaty, H., Brouwer, R.M., Bülow, R., Bøen, R., Cahn, W., Calhoun, V.D., Caspers, S., Ching, C.R.K., Cichon, S., Ciufolini, S., Crespo-Facorro, B., Curran, J.E., Dale, A.M., Dalvie, S., Dazzan, P., de Geus, E.J.C., de Zubicaray, G.I., de Zwarte, S.M.C., Desrivières, S., Doherty, J.L., Donohoe, G., Draganski, B., Ehrlich, S., Eising, E., Espeseth, T., Fejgin, K., Fisher, S.E., Fladby, T., Frei, O., Frouin, V., Fukunaga, M., Gareau, T., Ge, T., Glahn, D.C., Grabe, H.J., Groenewold, N.A., Gústafsson, Ó., Haavik, J., Håberg, A.K., Hall, J., Hashimoto, R., Hehir-Kwa, J.Y., Hibar, D.P., Hillegers, M.H.J., Hoffmann, P., Holleran, L., Holmes, A.J., Homuth, G., Hottenga, J-J, Hulshoff Pol, H.E., Ikeda, M., Jahanshad, N., Jockwitz, C., Johansson, S., Jönsson, E.G., Jørgensen, N.R., Kikuchi, M., Knowles, E.E.M., Kumar, K., Le Hellard, S., Leu, C., Linden, D.E.J., Liu, J., Lundervold, A., Lundervold, A.J., Maillard, A.M., Martin, N.G., Martin-Brevet, S., Mather, K.A., Mathias, S.R., McMahon, K.L., McRae, A.F., Medland, S.E., Meyer-Lindenberg, A., Moberget, T., Modenato, C., Sánchez, J.M., Morris, D.W., Mühleisen, T.W., Murray, R.M., Nielsen, J., Nordvik, J.E., Nyberg, L., Loohuis, L.M.O., Ophoff, R.A., Owen, M.J., Paus, T., Pausova, Z., Peralta, J.M., Pike, G.B., Prieto, C., Quinlan, E.B., Reinbold, C.S., Marques, T.R., Rucker, J.J.H., Sachdev, P.S., Sando, S.B., Schofield, P.R., Schork, A.J., Schumann, G., Shin, J., Shumskaya, E., Silva, A.I., Sisodiya, S.M., Steen, V.M., Stein, D.J., Strike, L.T., Suzuki, I.K., Tamnes, C.K., Teumer, A., Thalamuthu, A., Tordesillas-Gutierrez, D., Uhlmann, A., Ulfarsson, M.O., van ‘t Ent, D., van den Bree, M.B.M., Vanderhaeghen, P., Vassos, E., Wen, W., Wittfeld, K., Wright, M.J., Agartz, I., Djurovic, S., Westlye, L.T., Stefánsson, H., Stefánsson, K., Jacquemont, S., Thompson, P.M., Andreassen, O.A., Sønderby, I.E., van der Meer, D., Moreau, C., Kaufmann, T., Walters, G.B., Ellegaard, M., Abdellaoui, A., Ames, D., Amunts, K., Andersson, M., Armstrong, N.J., Bernard, M., Blackburn, N.B., Blangero, J., Boomsma, D.I., Brodaty, H., Brouwer, R.M., Bülow, R., Bøen, R., Cahn, W., Calhoun, V.D., Caspers, S., Ching, C.R.K., Cichon, S., Ciufolini, S., Crespo-Facorro, B., Curran, J.E., Dale, A.M., Dalvie, S., Dazzan, P., de Geus, E.J.C., de Zubicaray, G.I., de Zwarte, S.M.C., Desrivières, S., Doherty, J.L., Donohoe, G., Draganski, B., Ehrlich, S., Eising, E., Espeseth, T., Fejgin, K., Fisher, S.E., Fladby, T., Frei, O., Frouin, V., Fukunaga, M., Gareau, T., Ge, T., Glahn, D.C., Grabe, H.J., Groenewold, N.A., Gústafsson, Ó., Haavik, J., Håberg, A.K., Hall, J., Hashimoto, R., Hehir-Kwa, J.Y., Hibar, D.P., Hillegers, M.H.J., Hoffmann, P., Holleran, L., Holmes, A.J., Homuth, G., Hottenga, J-J, Hulshoff Pol, H.E., Ikeda, M., Jahanshad, N., Jockwitz, C., Johansson, S., Jönsson, E.G., Jørgensen, N.R., Kikuchi, M., Knowles, E.E.M., Kumar, K., Le Hellard, S., Leu, C., Linden, D.E.J., Liu, J., Lundervold, A., Lundervold, A.J., Maillard, A.M., Martin, N.G., Martin-Brevet, S., Mather, K.A., Mathias, S.R., McMahon, K.L., McRae, A.F., Medland, S.E., Meyer-Lindenberg, A., Moberget, T., Modenato, C., Sánchez, J.M., Morris, D.W., Mühleisen, T.W., Murray, R.M., Nielsen, J., Nordvik, J.E., Nyberg, L., Loohuis, L.M.O., Ophoff, R.A., Owen, M.J., Paus, T., Pausova, Z., Peralta, J.M., Pike, G.B., Prieto, C., Quinlan, E.B., Reinbold, C.S., Marques, T.R., Rucker, J.J.H., Sachdev, P.S., Sando, S.B., Schofield, P.R., Schork, A.J., Schumann, G., Shin, J., Shumskaya, E., Silva, A.I., Sisodiya, S.M., Steen, V.M., Stein, D.J., Strike, L.T., Suzuki, I.K., Tamnes, C.K., Teumer, A., Thalamuthu, A., Tordesillas-Gutierrez, D., Uhlmann, A., Ulfarsson, M.O., van ‘t Ent, D., van den Bree, M.B.M., Vanderhaeghen, P., Vassos, E., Wen, W., Wittfeld, K., Wright, M.J., Agartz, I., Djurovic, S., Westlye, L.T., Stefánsson, H., Stefánsson, K., Jacquemont, S., Thompson, P.M., and Andreassen, O.A.

Abstract

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 display a high prevalence of micro- and macrocephaly in deletion and duplication carriers, respectively. The underlying brain structural diversity remains largely unknown. We systematically called CNVs in 38 cohorts from the large-scale ENIGMA-CNV collaboration and the UK Biobank and identified 28 1q21.1 distal deletion and 22 duplication carriers and 37,088 non-carriers (48% male) derived from 15 distinct magnetic resonance imaging scanner sites. With standardized methods, we compared subcortical and cortical brain measures (all) and cognitive performance (UK Biobank only) between carrier groups also testing for mediation of brain structure on cognition. We identified positive dosage effects of copy number on intracranial volume (ICV) and total cortical surface area, with the largest effects in frontal and cingulate cortices, and negative dosage effects on caudate and hippocampal volumes. The carriers displayed distinct cognitive deficit profiles in cognitive tasks from the UK Biobank with intermediate decreases in duplication carriers and somewhat larger in deletion carriers—the latter potentially mediated by ICV or cortical surface area. These results shed light on pathobiological mechanisms of neurodevelopmental disorders, by demonstrating gene dose effect on specific brain structures and effect on cognitive function.

Published
2021

8. Dose response of the 16p11.2 distal copy number variant on intracranial volume and basal ganglia

Author

Sønderby, I.E., Gústafsson, Ó., Doan, N.T., Hibar, D.P., Martin-Brevet, S., Abdellaoui, A., Ames, D., Amunts, K., Andersson, M., Armstrong, N.J., Bernard, M., Blackburn, N., Blangero, J., Boomsma, D.I., Bralten, J., Brattbak, H-R, Brodaty, H., Brouwer, R.M., Bülow, R., Calhoun, V., Caspers, S., Cavalleri, G., Chen, C-H, Cichon, S., Ciufolini, S., Corvin, A., Crespo-Facorro, B., Curran, J.E., Dale, A.M., Dalvie, S., Dazzan, P., de Geus, E.J.C., de Zubicaray, G.I., de Zwarte, S.M.C., Delanty, N., den Braber, A., Desrivières, S., Donohoe, G., Draganski, B., Ehrlich, S., Espeseth, T., Fisher, S.E., Franke, B., Frouin, V., Fukunaga, M., Gareau, T., Glahn, D.C., Grabe, H., Groenewold, N.A., Haavik, J., Håberg, A., Hashimoto, R., Hehir-Kwa, J.Y., Heinz, A., Hillegers, M.H.J., Hoffmann, P., Holleran, L., Hottenga, J-J, Hulshoff, H.E., Ikeda, M., Jahanshad, N., Jernigan, T., Jockwitz, C., Johansson, S., Jonsdottir, G.A., Jönsson, E.G., Kahn, R., Kaufmann, T., Kelly, S., Kikuchi, M., Knowles, E.E.M., Kolskår, K.K., Kwok, J.B., Hellard, S.L., Leu, C., Liu, J., Lundervold, A.J., Lundervold, A., Martin, N.G., Mather, K., Mathias, S.R., McCormack, M., McMahon, K.L., McRae, A., Milaneschi, Y., Moreau, C., Morris, D., Mothersill, D., Mühleisen, T.W., Murray, R., Nordvik, J.E., Nyberg, L., Olde Loohuis, L.M., Ophoff, R., Paus, T., Pausova, Z., Penninx, B., Peralta, J.M., Pike, B., Prieto, C., Pudas, S., Quinlan, E., Quintana, D.S., Reinbold, C.S., Marques, T.R., Reymond, A., Richard, G., Rodriguez-Herreros, B., Roiz-Santiañez, R., Rokicki, J., Rucker, J., Sachdev, P., Sanders, A-M, Sando, S.B., Schmaal, L., Schofield, P.R., Schork, A.J., Schumann, G., Shin, J., Shumskaya, E., Sisodiya, S., Steen, V.M., Stein, D.J., Steinberg, S., Strike, L., Teumer, A., Thalamuthu, A., Tordesillas-Gutierrez, D., Turner, J., Ueland, T., Uhlmann, A., Ulfarsson, M.O., van ’t Ent, D., van der Meer, D., van Haren, N.E.M., Vaskinn, A., Vassos, E., Walters, G.B., Wang, Y., Wen, W., Whelan, C.D., Wittfeld, K., Wright, M., Yamamori, H., Zayats, T., Agartz, I., Westlye, L.T., Jacquemont, S., Djurovic, S., Stefánsson, H., Stefánsson, K., Thompson, P., Andreassen, O.A., Sønderby, I.E., Gústafsson, Ó., Doan, N.T., Hibar, D.P., Martin-Brevet, S., Abdellaoui, A., Ames, D., Amunts, K., Andersson, M., Armstrong, N.J., Bernard, M., Blackburn, N., Blangero, J., Boomsma, D.I., Bralten, J., Brattbak, H-R, Brodaty, H., Brouwer, R.M., Bülow, R., Calhoun, V., Caspers, S., Cavalleri, G., Chen, C-H, Cichon, S., Ciufolini, S., Corvin, A., Crespo-Facorro, B., Curran, J.E., Dale, A.M., Dalvie, S., Dazzan, P., de Geus, E.J.C., de Zubicaray, G.I., de Zwarte, S.M.C., Delanty, N., den Braber, A., Desrivières, S., Donohoe, G., Draganski, B., Ehrlich, S., Espeseth, T., Fisher, S.E., Franke, B., Frouin, V., Fukunaga, M., Gareau, T., Glahn, D.C., Grabe, H., Groenewold, N.A., Haavik, J., Håberg, A., Hashimoto, R., Hehir-Kwa, J.Y., Heinz, A., Hillegers, M.H.J., Hoffmann, P., Holleran, L., Hottenga, J-J, Hulshoff, H.E., Ikeda, M., Jahanshad, N., Jernigan, T., Jockwitz, C., Johansson, S., Jonsdottir, G.A., Jönsson, E.G., Kahn, R., Kaufmann, T., Kelly, S., Kikuchi, M., Knowles, E.E.M., Kolskår, K.K., Kwok, J.B., Hellard, S.L., Leu, C., Liu, J., Lundervold, A.J., Lundervold, A., Martin, N.G., Mather, K., Mathias, S.R., McCormack, M., McMahon, K.L., McRae, A., Milaneschi, Y., Moreau, C., Morris, D., Mothersill, D., Mühleisen, T.W., Murray, R., Nordvik, J.E., Nyberg, L., Olde Loohuis, L.M., Ophoff, R., Paus, T., Pausova, Z., Penninx, B., Peralta, J.M., Pike, B., Prieto, C., Pudas, S., Quinlan, E., Quintana, D.S., Reinbold, C.S., Marques, T.R., Reymond, A., Richard, G., Rodriguez-Herreros, B., Roiz-Santiañez, R., Rokicki, J., Rucker, J., Sachdev, P., Sanders, A-M, Sando, S.B., Schmaal, L., Schofield, P.R., Schork, A.J., Schumann, G., Shin, J., Shumskaya, E., Sisodiya, S., Steen, V.M., Stein, D.J., Steinberg, S., Strike, L., Teumer, A., Thalamuthu, A., Tordesillas-Gutierrez, D., Turner, J., Ueland, T., Uhlmann, A., Ulfarsson, M.O., van ’t Ent, D., van der Meer, D., van Haren, N.E.M., Vaskinn, A., Vassos, E., Walters, G.B., Wang, Y., Wen, W., Whelan, C.D., Wittfeld, K., Wright, M., Yamamori, H., Zayats, T., Agartz, I., Westlye, L.T., Jacquemont, S., Djurovic, S., Stefánsson, H., Stefánsson, K., Thompson, P., and Andreassen, O.A.

Abstract

Carriers of large recurrent copy number variants (CNVs) have a higher risk of developing neurodevelopmental disorders. The 16p11.2 distal CNV predisposes carriers to e.g., autism spectrum disorder and schizophrenia. We compared subcortical brain volumes of 12 16p11.2 distal deletion and 12 duplication carriers to 6882 non-carriers from the large-scale brain Magnetic Resonance Imaging collaboration, ENIGMA-CNV. After stringent CNV calling procedures, and standardized FreeSurfer image analysis, we found negative dose-response associations with copy number on intracranial volume and on regional caudate, pallidum and putamen volumes (β = −0.71 to −1.37; P < 0.0005). In an independent sample, consistent results were obtained, with significant effects in the pallidum (β = −0.95, P = 0.0042). The two data sets combined showed significant negative dose-response for the accumbens, caudate, pallidum, putamen and ICV (P = 0.0032, 8.9 × 10−6, 1.7 × 10−9, 3.5 × 10−12 and 1.0 × 10−4, respectively). Full scale IQ was lower in both deletion and duplication carriers compared to non-carriers. This is the first brain MRI study of the impact of the 16p11.2 distal CNV, and we demonstrate a specific effect on subcortical brain structures, suggesting a neuropathological pattern underlying the neurodevelopmental syndromes.

Published
2020

9. Correction: Dose response of the 16p11.2 distal copy number variant on intracranial volume and basal ganglia

Author

Sønderby, I.E., Gústafsson, Ó., Doan, N.T., Hibar, D.P., Martin-Brevet, S., Abdellaoui, A., Ames, D., Amunts, K., Andersson, M., Armstrong, N.J., Bernard, M., Blackburn, N., Blangero, J., Boomsma, D.I., Bralten, J., Brattbak, H-R, Brodaty, H., Brouwer, R.M., Bülow, R., Calhoun, V., Caspers, S., Cavalleri, G., Chen, C-H, Cichon, S., Ciufolini, S., Corvin, A., Crespo-Facorro, B., Curran, J.E., Dale, A.M., Dalvie, S., Dazzan, P., de Geus, E.J.C., de Zubicaray, G.I., de Zwarte, S.M.C., Delanty, N., den Braber, A., Desrivières, S., Donohoe, G., Draganski, B., Ehrlich, S., Espeseth, T., Fisher, S.E., Franke, B., Frouin, V., Fukunaga, M., Gareau, T., Glahn, D.C., Grabe, H., Groenewold, N.A., Haavik, J., Håberg, A., Hashimoto, R., Hehir-Kwa, J.Y., Heinz, A., Hillegers, M.H.J., Hoffmann, P., Holleran, L., Hottenga, J-J, Hulshoff, H.E., Ikeda, M., Jahanshad, N., Jernigan, T., Jockwitz, C., Johansson, S., Jonsdottir, G.A., Jönsson, E.G., Kahn, R., Kaufmann, T., Kelly, S., Kikuchi, M., Knowles, E.E.M., Kolskår, K.K., Kwok, J.B., Hellard, S.L., Leu, C., Liu, J., Lundervold, A.J., Lundervold, A., Martin, N.G., Mather, K., Mathias, S.R., McCormack, M., McMahon, K.L., McRae, A., Milaneschi, Y., Moreau, C., Morris, D., Mothersill, D., Mühleisen, T.W., Murray, R., Nordvik, J.E., Nyberg, L., Olde Loohuis, L.M., Ophoff, R., Paus, T., Pausova, Z., Penninx, B., Peralta, J.M., Pike, B., Prieto, C., Pudas, S., Quinlan, E., Quintana, D.S., Reinbold, C.S., Marques, T.R., Reymond, A., Richard, G., Rodriguez-Herreros, B., Roiz-Santiañez, R., Rokicki, J., Rucker, J., Sachdev, P., Sanders, A-M, Sando, S.B., Schmaal, L., Schofield, P.R., Schork, A.J., Schumann, G., Shin, J., Shumskaya, E., Sisodiya, S., Steen, V.M., Stein, D.J., Steinberg, S., Strike, L., Teumer, A., Thalamuthu, A., Tordesillas-Gutierrez, D., Turner, J.S., Ueland, T., Uhlmann, A., Ulfarsson, M.O., van ’t Ent, D., van der Meer, D., van Haren, N.E.M., Vaskinn, A., Vassos, E., Walters, G.B., Wang, Y., Wen, W., Whelan, C.D., Wittfeld, K., Wright, M., Yamamori, H., Zayats, T., Agartz, I., Westlye, L.T., Jacquemont, S., Djurovic, S., Stefánsson, H., Stefánsson, K., Thompson, P., Andreassen, O.A., Sønderby, I.E., Gústafsson, Ó., Doan, N.T., Hibar, D.P., Martin-Brevet, S., Abdellaoui, A., Ames, D., Amunts, K., Andersson, M., Armstrong, N.J., Bernard, M., Blackburn, N., Blangero, J., Boomsma, D.I., Bralten, J., Brattbak, H-R, Brodaty, H., Brouwer, R.M., Bülow, R., Calhoun, V., Caspers, S., Cavalleri, G., Chen, C-H, Cichon, S., Ciufolini, S., Corvin, A., Crespo-Facorro, B., Curran, J.E., Dale, A.M., Dalvie, S., Dazzan, P., de Geus, E.J.C., de Zubicaray, G.I., de Zwarte, S.M.C., Delanty, N., den Braber, A., Desrivières, S., Donohoe, G., Draganski, B., Ehrlich, S., Espeseth, T., Fisher, S.E., Franke, B., Frouin, V., Fukunaga, M., Gareau, T., Glahn, D.C., Grabe, H., Groenewold, N.A., Haavik, J., Håberg, A., Hashimoto, R., Hehir-Kwa, J.Y., Heinz, A., Hillegers, M.H.J., Hoffmann, P., Holleran, L., Hottenga, J-J, Hulshoff, H.E., Ikeda, M., Jahanshad, N., Jernigan, T., Jockwitz, C., Johansson, S., Jonsdottir, G.A., Jönsson, E.G., Kahn, R., Kaufmann, T., Kelly, S., Kikuchi, M., Knowles, E.E.M., Kolskår, K.K., Kwok, J.B., Hellard, S.L., Leu, C., Liu, J., Lundervold, A.J., Lundervold, A., Martin, N.G., Mather, K., Mathias, S.R., McCormack, M., McMahon, K.L., McRae, A., Milaneschi, Y., Moreau, C., Morris, D., Mothersill, D., Mühleisen, T.W., Murray, R., Nordvik, J.E., Nyberg, L., Olde Loohuis, L.M., Ophoff, R., Paus, T., Pausova, Z., Penninx, B., Peralta, J.M., Pike, B., Prieto, C., Pudas, S., Quinlan, E., Quintana, D.S., Reinbold, C.S., Marques, T.R., Reymond, A., Richard, G., Rodriguez-Herreros, B., Roiz-Santiañez, R., Rokicki, J., Rucker, J., Sachdev, P., Sanders, A-M, Sando, S.B., Schmaal, L., Schofield, P.R., Schork, A.J., Schumann, G., Shin, J., Shumskaya, E., Sisodiya, S., Steen, V.M., Stein, D.J., Steinberg, S., Strike, L., Teumer, A., Thalamuthu, A., Tordesillas-Gutierrez, D., Turner, J.S., Ueland, T., Uhlmann, A., Ulfarsson, M.O., van ’t Ent, D., van der Meer, D., van Haren, N.E.M., Vaskinn, A., Vassos, E., Walters, G.B., Wang, Y., Wen, W., Whelan, C.D., Wittfeld, K., Wright, M., Yamamori, H., Zayats, T., Agartz, I., Westlye, L.T., Jacquemont, S., Djurovic, S., Stefánsson, H., Stefánsson, K., Thompson, P., and Andreassen, O.A.

Abstract

Prior to and following the publication of this article the authors noted that the complete list of authors was not included in the main article and was only present in Supplementary Table 1. The author list in the original article has now been updated to include all authors, and Supplementary Table 1 has been removed. All other supplementary files have now been updated accordingly. Furthermore, in Table 1 of this Article, the replication cohort for the row Close relative in data set, n (%) was incorrect. All values have now been corrected to 0(0%). The publishers would like to apologise for this error and the inconvenience it may have caused.

Published
2019

16. 1q21.1 distal copy number variants are associated with cerebral and cognitive alterations in humans.

Author

Sønderby IE, van der Meer D, Moreau C, Kaufmann T, Walters GB, Ellegaard M, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn NB, Blangero J, Boomsma DI, Brodaty H, Brouwer RM, Bülow R, Bøen R, Cahn W, Calhoun VD, Caspers S, Ching CRK, Cichon S, Ciufolini S, Crespo-Facorro B, Curran JE, Dale AM, Dalvie S, Dazzan P, de Geus EJC, de Zubicaray GI, de Zwarte SMC, Desrivieres S, Doherty JL, Donohoe G, Draganski B, Ehrlich S, Eising E, Espeseth T, Fejgin K, Fisher SE, Fladby T, Frei O, Frouin V, Fukunaga M, Gareau T, Ge T, Glahn DC, Grabe HJ, Groenewold NA, Gústafsson Ó, Haavik J, Haberg AK, Hall J, Hashimoto R, Hehir-Kwa JY, Hibar DP, Hillegers MHJ, Hoffmann P, Holleran L, Holmes AJ, Homuth G, Hottenga JJ, Hulshoff Pol HE, Ikeda M, Jahanshad N, Jockwitz C, Johansson S, Jönsson EG, Jørgensen NR, Kikuchi M, Knowles EEM, Kumar K, Le Hellard S, Leu C, Linden DEJ, Liu J, Lundervold A, Lundervold AJ, Maillard AM, Martin NG, Martin-Brevet S, Mather KA, Mathias SR, McMahon KL, McRae AF, Medland SE, Meyer-Lindenberg A, Moberget T, Modenato C, Sánchez JM, Morris DW, Mühleisen TW, Murray RM, Nielsen J, Nordvik JE, Nyberg L, Loohuis LMO, Ophoff RA, Owen MJ, Paus T, Pausova Z, Peralta JM, Pike GB, Prieto C, Quinlan EB, Reinbold CS, Marques TR, Rucker JJH, Sachdev PS, Sando SB, Schofield PR, Schork AJ, Schumann G, Shin J, Shumskaya E, Silva AI, Sisodiya SM, Steen VM, Stein DJ, Strike LT, Suzuki IK, Tamnes CK, Teumer A, Thalamuthu A, Tordesillas-Gutiérrez D, Uhlmann A, Ulfarsson MO, van 't Ent D, van den Bree MBM, Vanderhaeghen P, Vassos E, Wen W, Wittfeld K, Wright MJ, Agartz I, Djurovic S, Westlye LT, Stefansson H, Stefansson K, Jacquemont S, Thompson PM, and Andreassen OA

Subjects
Brain diagnostic imaging, Chromosome Deletion, Cognition, Female, Humans, Male, DNA Copy Number Variations, Schizophrenia genetics
Abstract

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 display a high prevalence of micro- and macrocephaly in deletion and duplication carriers, respectively. The underlying brain structural diversity remains largely unknown. We systematically called CNVs in 38 cohorts from the large-scale ENIGMA-CNV collaboration and the UK Biobank and identified 28 1q21.1 distal deletion and 22 duplication carriers and 37,088 non-carriers (48% male) derived from 15 distinct magnetic resonance imaging scanner sites. With standardized methods, we compared subcortical and cortical brain measures (all) and cognitive performance (UK Biobank only) between carrier groups also testing for mediation of brain structure on cognition. We identified positive dosage effects of copy number on intracranial volume (ICV) and total cortical surface area, with the largest effects in frontal and cingulate cortices, and negative dosage effects on caudate and hippocampal volumes. The carriers displayed distinct cognitive deficit profiles in cognitive tasks from the UK Biobank with intermediate decreases in duplication carriers and somewhat larger in deletion carriers-the latter potentially mediated by ICV or cortical surface area. These results shed light on pathobiological mechanisms of neurodevelopmental disorders, by demonstrating gene dose effect on specific brain structures and effect on cognitive function.

Published
2021
Full Text
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17. Association of Copy Number Variation of the 15q11.2 BP1-BP2 Region With Cortical and Subcortical Morphology and Cognition.

Author

van der Meer D, Sønderby IE, Kaufmann T, Walters GB, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn NB, Blangero J, Boomsma DI, Brodaty H, Brouwer RM, Bülow R, Cahn W, Calhoun VD, Caspers S, Cavalleri GL, Ching CRK, Cichon S, Ciufolini S, Corvin A, Crespo-Facorro B, Curran JE, Dalvie S, Dazzan P, de Geus EJC, de Zubicaray GI, de Zwarte SMC, Delanty N, den Braber A, Desrivieres S, Di Forti M, Doherty JL, Donohoe G, Ehrlich S, Eising E, Espeseth T, Fisher SE, Fladby T, Frei O, Frouin V, Fukunaga M, Gareau T, Glahn DC, Grabe HJ, Groenewold NA, Gústafsson Ó, Haavik J, Haberg AK, Hashimoto R, Hehir-Kwa JY, Hibar DP, Hillegers MHJ, Hoffmann P, Holleran L, Hottenga JJ, Hulshoff Pol HE, Ikeda M, Jacquemont S, Jahanshad N, Jockwitz C, Johansson S, Jönsson EG, Kikuchi M, Knowles EEM, Kwok JB, Le Hellard S, Linden DEJ, Liu J, Lundervold A, Lundervold AJ, Martin NG, Mather KA, Mathias SR, McMahon KL, McRae AF, Medland SE, Moberget T, Moreau C, Morris DW, Mühleisen TW, Murray RM, Nordvik JE, Nyberg L, Olde Loohuis LM, Ophoff RA, Owen MJ, Paus T, Pausova Z, Peralta JM, Pike B, Prieto C, Quinlan EB, Reinbold CS, Reis Marques T, Rucker JJH, Sachdev PS, Sando SB, Schofield PR, Schork AJ, Schumann G, Shin J, Shumskaya E, Silva AI, Sisodiya SM, Steen VM, Stein DJ, Strike LT, Tamnes CK, Teumer A, Thalamuthu A, Tordesillas-Gutiérrez D, Uhlmann A, Úlfarsson MÖ, van 't Ent D, van den Bree MBM, Vassos E, Wen W, Wittfeld K, Wright MJ, Zayats T, Dale AM, Djurovic S, Agartz I, Westlye LT, Stefánsson H, Stefánsson K, Thompson PM, and Andreassen OA

Subjects
Brain Cortical Thickness, Cerebral Cortex diagnostic imaging, Cerebral Cortex physiology, Chromosome Breakpoints, DNA Copy Number Variations physiology, Female, Genetic Association Studies, Heterozygote, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Neuroimaging, Neuropsychological Tests, Organ Size genetics, Cerebral Cortex anatomy & histology, Chromosomes, Human, Pair 15 genetics, Cognition, DNA Copy Number Variations genetics
Abstract

Importance: Recurrent microdeletions and duplications in the genomic region 15q11.2 between breakpoints 1 (BP1) and 2 (BP2) are associated with neurodevelopmental disorders. These structural variants are present in 0.5% to 1.0% of the population, making 15q11.2 BP1-BP2 the site of the most prevalent known pathogenic copy number variation (CNV). It is unknown to what extent this CNV influences brain structure and affects cognitive abilities., Objective: To determine the association of the 15q11.2 BP1-BP2 deletion and duplication CNVs with cortical and subcortical brain morphology and cognitive task performance., Design, Setting, and Participants: In this genetic association study, T1-weighted brain magnetic resonance imaging were combined with genetic data from the ENIGMA-CNV consortium and the UK Biobank, with a replication cohort from Iceland. In total, 203 deletion carriers, 45 247 noncarriers, and 306 duplication carriers were included. Data were collected from August 2015 to April 2019, and data were analyzed from September 2018 to September 2019., Main Outcomes and Measures: The associations of the CNV with global and regional measures of surface area and cortical thickness as well as subcortical volumes were investigated, correcting for age, age2, sex, scanner, and intracranial volume. Additionally, measures of cognitive ability were analyzed in the full UK Biobank cohort., Results: Of 45 756 included individuals, the mean (SD) age was 55.8 (18.3) years, and 23 754 (51.9%) were female. Compared with noncarriers, deletion carriers had a lower surface area (Cohen d = -0.41; SE, 0.08; P = 4.9 × 10-8), thicker cortex (Cohen d = 0.36; SE, 0.07; P = 1.3 × 10-7), and a smaller nucleus accumbens (Cohen d = -0.27; SE, 0.07; P = 7.3 × 10-5). There was also a significant negative dose response on cortical thickness (β = -0.24; SE, 0.05; P = 6.8 × 10-7). Regional cortical analyses showed a localization of the effects to the frontal, cingulate, and parietal lobes. Further, cognitive ability was lower for deletion carriers compared with noncarriers on 5 of 7 tasks., Conclusions and Relevance: These findings, from the largest CNV neuroimaging study to date, provide evidence that 15q11.2 BP1-BP2 structural variation is associated with brain morphology and cognition, with deletion carriers being particularly affected. The pattern of results fits with known molecular functions of genes in the 15q11.2 BP1-BP2 region and suggests involvement of these genes in neuronal plasticity. These neurobiological effects likely contribute to the association of this CNV with neurodevelopmental disorders.

Published
2020
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18. Dose response of the 16p11.2 distal copy number variant on intracranial volume and basal ganglia.

Author

Sønderby IE, Gústafsson Ó, Doan NT, Hibar DP, Martin-Brevet S, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn N, Blangero J, Boomsma DI, Bralten J, Brattbak HR, Brodaty H, Brouwer RM, Bülow R, Calhoun V, Caspers S, Cavalleri G, Chen CH, Cichon S, Ciufolini S, Corvin A, Crespo-Facorro B, Curran JE, Dale AM, Dalvie S, Dazzan P, de Geus EJC, de Zubicaray GI, de Zwarte SMC, Delanty N, den Braber A, Desrivières S, Donohoe G, Draganski B, Ehrlich S, Espeseth T, Fisher SE, Franke B, Frouin V, Fukunaga M, Gareau T, Glahn DC, Grabe H, Groenewold NA, Haavik J, Håberg A, Hashimoto R, Hehir-Kwa JY, Heinz A, Hillegers MHJ, Hoffmann P, Holleran L, Hottenga JJ, Hulshoff HE, Ikeda M, Jahanshad N, Jernigan T, Jockwitz C, Johansson S, Jonsdottir GA, Jönsson EG, Kahn R, Kaufmann T, Kelly S, Kikuchi M, Knowles EEM, Kolskår KK, Kwok JB, Hellard SL, Leu C, Liu J, Lundervold AJ, Lundervold A, Martin NG, Mather K, Mathias SR, McCormack M, McMahon KL, McRae A, Milaneschi Y, Moreau C, Morris D, Mothersill D, Mühleisen TW, Murray R, Nordvik JE, Nyberg L, Olde Loohuis LM, Ophoff R, Paus T, Pausova Z, Penninx B, Peralta JM, Pike B, Prieto C, Pudas S, Quinlan E, Quintana DS, Reinbold CS, Marques TR, Reymond A, Richard G, Rodriguez-Herreros B, Roiz-Santiañez R, Rokicki J, Rucker J, Sachdev P, Sanders AM, Sando SB, Schmaal L, Schofield PR, Schork AJ, Schumann G, Shin J, Shumskaya E, Sisodiya S, Steen VM, Stein DJ, Steinberg S, Strike L, Teumer A, Thalamuthu A, Tordesillas-Gutierrez D, Turner J, Ueland T, Uhlmann A, Ulfarsson MO, van 't Ent D, van der Meer D, van Haren NEM, Vaskinn A, Vassos E, Walters GB, Wang Y, Wen W, Whelan CD, Wittfeld K, Wright M, Yamamori H, Zayats T, Agartz I, Westlye LT, Jacquemont S, Djurovic S, Stefánsson H, Stefánsson K, Thompson P, and Andreassen OA

Subjects
Adult, Autism Spectrum Disorder genetics, Brain pathology, Chromosome Deletion, Chromosome Duplication, Chromosomes, Human, Pair 16 genetics, Databases, Factual, Female, Globus Pallidus pathology, Humans, Image Processing, Computer-Assisted methods, Magnetic Resonance Imaging methods, Male, Middle Aged, Neurodevelopmental Disorders genetics, Organ Size genetics, Putamen pathology, Schizophrenia genetics, Autistic Disorder genetics, Basal Ganglia pathology, Chromosome Disorders genetics, DNA Copy Number Variations genetics, Intellectual Disability genetics
Abstract

Carriers of large recurrent copy number variants (CNVs) have a higher risk of developing neurodevelopmental disorders. The 16p11.2 distal CNV predisposes carriers to e.g., autism spectrum disorder and schizophrenia. We compared subcortical brain volumes of 12 16p11.2 distal deletion and 12 duplication carriers to 6882 non-carriers from the large-scale brain Magnetic Resonance Imaging collaboration, ENIGMA-CNV. After stringent CNV calling procedures, and standardized FreeSurfer image analysis, we found negative dose-response associations with copy number on intracranial volume and on regional caudate, pallidum and putamen volumes (β = -0.71 to -1.37; P < 0.0005). In an independent sample, consistent results were obtained, with significant effects in the pallidum (β = -0.95, P = 0.0042). The two data sets combined showed significant negative dose-response for the accumbens, caudate, pallidum, putamen and ICV (P = 0.0032, 8.9 × 10 -6 , 1.7 × 10 - 9 , 3.5 × 10 -12 and 1.0 × 10 -4 , respectively). Full scale IQ was lower in both deletion and duplication carriers compared to non-carriers. This is the first brain MRI study of the impact of the 16p11.2 distal CNV, and we demonstrate a specific effect on subcortical brain structures, suggesting a neuropathological pattern underlying the neurodevelopmental syndromes.

Published
2020
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19. Correction: Dose response of the 16p11.2 distal copy number variant on intracranial volume and basal ganglia.

Author

Sønderby IE, Gústafsson Ó, Doan NT, Hibar DP, Martin-Brevet S, Abdellaoui A, Ames D, Amunts K, Andersson M, Armstrong NJ, Bernard M, Blackburn N, Blangero J, Boomsma DI, Bralten J, Brattbak HR, Brodaty H, Brouwer RM, Bülow R, Calhoun V, Caspers S, Cavalleri G, Chen CH, Cichon S, Ciufolini S, Corvin A, Crespo-Facorro B, Curran JE, Dale AM, Dalvie S, Dazzan P, de Geus EJC, de Zubicaray GI, de Zwarte SMC, Delanty N, den Braber A, Desrivières S, Donohoe G, Draganski B, Ehrlich S, Espeseth T, Fisher SE, Franke B, Frouin V, Fukunaga M, Gareau T, Glahn DC, Grabe H, Groenewold NA, Haavik J, Håberg A, Hashimoto R, Hehir-Kwa JY, Heinz A, Hillegers MHJ, Hoffmann P, Holleran L, Hottenga JJ, Hulshoff HE, Ikeda M, Jahanshad N, Jernigan T, Jockwitz C, Johansson S, Jonsdottir GA, Jönsson EG, Kahn R, Kaufmann T, Kelly S, Kikuchi M, Knowles EEM, Kolskår KK, Kwok JB, Hellard SL, Leu C, Liu J, Lundervold AJ, Lundervold A, Martin NG, Mather K, Mathias SR, McCormack M, McMahon KL, McRae A, Milaneschi Y, Moreau C, Morris D, Mothersill D, Mühleisen TW, Murray R, Nordvik JE, Nyberg L, Olde Loohuis LM, Ophoff R, Paus T, Pausova Z, Penninx B, Peralta JM, Pike B, Prieto C, Pudas S, Quinlan E, Quintana DS, Reinbold CS, Marques TR, Reymond A, Richard G, Rodriguez-Herreros B, Roiz-Santiañez R, Rokicki J, Rucker J, Sachdev P, Sanders AM, Sando SB, Schmaal L, Schofield PR, Schork AJ, Schumann G, Shin J, Shumskaya E, Sisodiya S, Steen VM, Stein DJ, Steinberg S, Strike L, Teumer A, Thalamuthu A, Tordesillas-Gutierrez D, Turner J, Ueland T, Uhlmann A, Ulfarsson MO, van 't Ent D, van der Meer D, van Haren NEM, Vaskinn A, Vassos E, Walters GB, Wang Y, Wen W, Whelan CD, Wittfeld K, Wright M, Yamamori H, Zayats T, Agartz I, Westlye LT, Jacquemont S, Djurovic S, Stefánsson H, Stefánsson K, Thompson P, and Andreassen OA

Abstract

Prior to and following the publication of this article the authors noted that the complete list of authors was not included in the main article and was only present in Supplementary Table 1. The author list in the original article has now been updated to include all authors, and Supplementary Table 1 has been removed. All other supplementary files have now been updated accordingly. Furthermore, in Table 1 of this Article, the replication cohort for the row Close relative in data set, n (%) was incorrect. All values have now been corrected to 0(0%). The publishers would like to apologise for this error and the inconvenience it may have caused.

Published
2020
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20. A sequence variant associating with educational attainment also affects childhood cognition.

Author

Gunnarsson B, Jónsdóttir GA, Björnsdóttir G, Konte B, Sulem P, Kristmundsdóttir S, Kehr B, Gústafsson Ó, Helgason H, Iordache PD, Ólafsson S, Frigge ML, Þorleifsson G, Arnarsdóttir S, Stefánsdóttir B, Giegling I, Djurovic S, Sundet KS, Espeseth T, Melle I, Hartmann AM, Thorsteinsdottir U, Kong A, Guðbjartsson DF, Ettinger U, Andreassen OA, Dan Rujescu, Halldórsson JG, Stefánsson H, Halldórsson BV, and Stefánsson K

Subjects
Academic Success, Adolescent, Adult, Child, Chromosomes, Human, Pair 2 genetics, Databases, Genetic, Educational Status, Female, Genetic Markers, Humans, Iceland, Male, Multifactorial Inheritance, Nuclear Proteins genetics, Cognition, Dyslexia genetics, Intelligence genetics, Polymorphism, Single Nucleotide
Abstract

Only a few common variants in the sequence of the genome have been shown to impact cognitive traits. Here we demonstrate that polygenic scores of educational attainment predict specific aspects of childhood cognition, as measured with IQ. Recently, three sequence variants were shown to associate with educational attainment, a confluence phenotype of genetic and environmental factors contributing to academic success. We show that one of these variants associating with educational attainment, rs4851266-T, also associates with Verbal IQ in dyslexic children (P = 4.3 × 10 -4 , β = 0.16 s.d.). The effect of 0.16 s.d. corresponds to 1.4 IQ points for heterozygotes and 2.8 IQ points for homozygotes. We verified this association in independent samples consisting of adults (P = 8.3 × 10 -5 , β = 0.12 s.d., combined P = 2.2 x 10 -7 , β = 0.14 s.d.). Childhood cognition is unlikely to be affected by education attained later in life, and the variant explains a greater fraction of the variance in verbal IQ than in educational attainment (0.7% vs 0.12%,. P = 1.0 × 10 -5 )., Competing Interests: B.G., G.A.J., G.B., P.S., S.K., B.Ke., O.G., H.H., P.I., S.O., M.F., G.Þ., S.A., B.S., U.Th., A.K., D.F.G., H.S., B.V.H. and K.S. are employees of deCODE Genetics/Amgen.

Published
2016
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