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2. 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

3. 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

5. Selection against variants in the genome associated with educational attainment

Author

Kong, A. (Augustine), Frigge, M.L. (Michael), Thorleifsson, G. (Gudmar), Stefansson, H. (Hreinn), Young, A.I. (Alexander I.), Zink, F. (Florian), Jonsdottir, G.A. (Gudrun A.), Okbay, A. (Aysu), Sulem, P. (Patrick), Masson, G. (Gisli), Gudbjartsson, D.F. (Daniel), Helgason, A. (Agnar), Bjornsdottir, G. (Gyda), Thorsteinsdottir, U. (Unnur), Zwart, J-A. (John-Anker), Kong, A. (Augustine), Frigge, M.L. (Michael), Thorleifsson, G. (Gudmar), Stefansson, H. (Hreinn), Young, A.I. (Alexander I.), Zink, F. (Florian), Jonsdottir, G.A. (Gudrun A.), Okbay, A. (Aysu), Sulem, P. (Patrick), Masson, G. (Gisli), Gudbjartsson, D.F. (Daniel), Helgason, A. (Agnar), Bjornsdottir, G. (Gyda), Thorsteinsdottir, U. (Unnur), and Zwart, J-A. (John-Anker)

Abstract

Epidemiological and genetic association studies show that genetics play an important role in the attainment of education. Here, we investigate the effect of this genetic component on the reproductive history of 109,120 Icelanders and the consequent impact on the gene pool over time. We show that an educational attainment polygenic score, POLYEDU, constructed from results of a recent study is associated with delayed reproduction (P < 10-100) and fewer children overall. The effect is stronger for women and remains highly significant after adjusting for educational attainment. Based on 129,808 Icelanders born between 1910 and 1990, we find that the average POLYEDU has been declining at a rate of ∼0.010 standard units per decade, which is substantial on an evolutionary timescale. Most importantly, because POLYEDU only captures a fraction of the overall underlying genetic component the latter could be declining at a rate that is two to three times faster.

Published
2017
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6. Disruption of the neurexin 1 gene is associated with schizophrenia.

Author

Rujescu, D., Ingason, A., Cichon, S., Pietilainen, O.P.H., Barnes, M.R., Toulopoulou, T., Picchioni, M., Vassos, E., Ettinger, U., Bramon, E., Murray, R., Ruggeri, M., Tosato, S., Bonetto, C., Steinberg, S., Sigurdsson, E., Sigmundsson, T., Petursson, H., Gylfason, A, Olason, P., Hardarsson, G., Jonsdottir, G.A., Gustafsson, O., Fossdal, R., Giegling, I., Moller, H.J., Hartmann, A.M., Hoffmann, P., Crombie, C., Fraser, G., Walker, N., Lonnqvist, J., Suvisaari, J., Tuulio-Henriksson, A., Djurovic, S., Melle, I., Andreassen, O.A., Hansen, T., Werge, T., Kiemeney, L.A.L.M., Franke, B., Veltman, J.A., Buizer-Voskamp, J.E., Sabatti, C., Ophoff, R.A., Rietschel, M., Nothen, Markus, Stefansson, K., Peltonen, L., St Clair, D., Stefansson, H., Collier, D.A., Rujescu, D., Ingason, A., Cichon, S., Pietilainen, O.P.H., Barnes, M.R., Toulopoulou, T., Picchioni, M., Vassos, E., Ettinger, U., Bramon, E., Murray, R., Ruggeri, M., Tosato, S., Bonetto, C., Steinberg, S., Sigurdsson, E., Sigmundsson, T., Petursson, H., Gylfason, A, Olason, P., Hardarsson, G., Jonsdottir, G.A., Gustafsson, O., Fossdal, R., Giegling, I., Moller, H.J., Hartmann, A.M., Hoffmann, P., Crombie, C., Fraser, G., Walker, N., Lonnqvist, J., Suvisaari, J., Tuulio-Henriksson, A., Djurovic, S., Melle, I., Andreassen, O.A., Hansen, T., Werge, T., Kiemeney, L.A.L.M., Franke, B., Veltman, J.A., Buizer-Voskamp, J.E., Sabatti, C., Ophoff, R.A., Rietschel, M., Nothen, Markus, Stefansson, K., Peltonen, L., St Clair, D., Stefansson, H., and Collier, D.A.

Abstract

Contains fulltext : 80670.pdf (publisher's version ) (Closed access), Deletions within the neurexin 1 gene (NRXN1; 2p16.3) are associated with autism and have also been reported in two families with schizophrenia. We examined NRXN1, and the closely related NRXN2 and NRXN3 genes, for copy number variants (CNVs) in 2977 schizophrenia patients and 33 746 controls from seven European populations (Iceland, Finland, Norway, Germany, The Netherlands, Italy and UK) using microarray data. We found 66 deletions and 5 duplications in NRXN1, including a de novo deletion: 12 deletions and 2 duplications occurred in schizophrenia cases (0.47%) compared to 49 and 3 (0.15%) in controls. There was no common breakpoint and the CNVs varied from 18 to 420 kb. No CNVs were found in NRXN2 or NRXN3. We performed a Cochran-Mantel-Haenszel exact test to estimate association between all CNVs and schizophrenia (P = 0.13; OR = 1.73; 95% CI 0.81-3.50). Because the penetrance of NRXN1 CNVs may vary according to the level of functional impact on the gene, we next restricted the association analysis to CNVs that disrupt exons (0.24% of cases and 0.015% of controls). These were significantly associated with a high odds ratio (P = 0.0027; OR 8.97, 95% CI 1.8-51.9). We conclude that NRXN1 deletions affecting exons confer risk of schizophrenia.

Published
2009

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