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232 results on '"Hickie, I. B."'

1. Evidence of a Reduced Role for Circumscribed Interests in the Social Attention Patterns of Children with Autism Spectrum Disorder

Author

Ambarchi, Z., Boulton, K. A., Thapa, R., Thomas, E. E., DeMayo, M. M., Sasson, N. J., Hickie, I. B., and Guastella, Adam J.

Abstract

Reduced social attention is characteristic of Autism Spectrum Disorder (ASD). It has been suggested to result from an early onset and excessive influence of circumscribed interests (CIs) on gaze behaviour, compared to typically developing (TYP) individuals. To date, these findings have been mixed. The current eye-tracking study utilised a visual preference paradigm to investigate the influence of CI versus non-CI objects on attention patterns in children with ASD (aged 3-12 years, n = 37) and their age-matched TYP peers (n = 30). Compared to TYP, social and object attention was reduced in the ASD group irrespective of the presence of CIs. Results suggest a reduced role for CIs and extend recent evidence of atypical attention patterns across social and non-social domains in ASD.

Published
2023
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2. Empirical Likelihood Inference of Variance Components in Linear Mixed-Effects Models

Author

Zhang, J., Guo, W., Carpenter, J. S., Leroux, Andrew, Merikangas, K. R., Martin, N. G., Hickie, I. B., Shou, H., and Li, H.

Subjects
Statistics - Methodology
Abstract

Linear mixed-effects models are widely used in analyzing repeated measures data, including clustered and longitudinal data, where inferences of both fixed effects and variance components are of importance. Unlike the fixed effect inference that has been well studied, inference on the variance components is more challenging due to null value being on the boundary and the nuisance parameters of the fixed effects. Existing methods often require strong distributional assumptions on the random effects and random errors. In this paper, we develop empirical likelihood-based methods for the inference of the variance components in the presence of fixed effects. A nonparametric version of the Wilks' theorem for the proposed empirical likelihood ratio statistics for variance components is derived. We also develop an empirical likelihood test for multiple variance components related to a sequence of correlated outcomes. Simulation studies demonstrate that the proposed methods exhibit better type 1 error control than the commonly used likelihood ratio tests when the Gaussian distributional assumptions of the random effects are violated. We apply the methods to investigate the heritability of physical activity as measured by wearable device in the Australian Twin study and observe that such activity is heritable only in the quantile range from 0.375 to 0.514.

Published
2022

6. NEURAPRO: a multi-centre RCT of omega-3 polyunsaturated fatty acids versus placebo in young people at ultra-high risk of psychotic disorders—medium-term follow-up and clinical course

Author

Nelson, B., Amminger, G. P., Yuen, H. P., Markulev, C., Lavoie, S., Schäfer, M. R., Hartmann, J. A., Mossaheb, N., Schlögelhofer, M., Smesny, S., Hickie, I. B., Berger, G., Chen, E. Y. H., de Haan, L., Nieman, D. H., Nordentoft, M., Riecher-Rössler, A., Verma, S., Thompson, A., Yung, A. R., and McGorry, P. D.

Published
2018
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11. Subcortical brain alterations in major depressive disorder: findings from the ENIGMA Major Depressive Disorder working group

Author

Schmaal, L, Veltman, D J, van Erp, T GM, Sämann, P G, Frodl, T, Jahanshad, N, Loehrer, E, Tiemeier, H, Hofman, A, Niessen, W J, Vernooij, M W, Ikram, M A, Wittfeld, K, Grabe, H J, Block, A, Hegenscheid, K, Völzke, H, Hoehn, D, Czisch, M, Lagopoulos, J, Hatton, S N, Hickie, I B, Goya-Maldonado, R, Krämer, B, Gruber, O, Couvy-Duchesne, B, Rentería, M E, Strike, L T, Mills, N T, de Zubicaray, G I, McMahon, K L, Medland, S E, Martin, N G, Gillespie, N A, Wright, M J, Hall, G B, MacQueen, G M, Frey, E M, Carballedo, A, van Velzen, L S, van Tol, M J, van der Wee, N J, Veer, I M, Walter, H, Schnell, K, Schramm, E, Normann, C, Schoepf, D, Konrad, C, Zurowski, B, Nickson, T, McIntosh, A M, Papmeyer, M, Whalley, H C, Sussmann, J E, Godlewska, B R, Cowen, P J, Fischer, F H, Rose, M, Penninx, B WJH, Thompson, P M, and Hibar, D P

Published
2016
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12. Response to Dr Fried & Dr Kievit, and Dr Malhi et al.

Author

Schmaal, L, Veltman, D J, van Erp, T GM, Sämann, P G, Frodl, T, Jahanshad, N, Loehrer, E, Vernooij, M W, Niessen, W J, Ikram, M A, Wittfeld, K, Grabe, H J, Block, A, Hegenscheid, K, Hoehn, D, Czisch, M, Lagopoulos, J, Hatton, S N, Hickie, I B, Goya-Maldonado, R, Krämer, B, Gruber, O, Couvy-Duchesne, B, Rentería, M E, Strike, L T, Wright, M J, de Zubicaray, G I, McMahon, K L, Medland, S E, Gillespie, N A, Hall, G B, van Velzen, L S, van Tol, M-J, van der Wee, N J, Veer, I M, Walter, H, Schramm, E, Normann, C, Schoepf, D, Konrad, C, Zurowski, B, McIntosh, A M, Whalley, H C, Sussmann, J E, Godlewska, B R, Fischer, F H, Penninx, B WJH, Thompson, P M, and Hibar, D P

Published
2016
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13. Transitions Study of predictors of illness progression in young people with mental ill health: study methodology

Author

Purcell, R., Jorm, A. F., Hickie, I. B., Yung, A. R., Pantelis, C., Amminger, G. P., Glozier, N., Killackey, E., Phillips, L., Wood, S. J., Mackinnon, A., Scott, E., Kenyon, A., Mundy, L., Nichles, A., Scaffidi, A., Spiliotacopoulos, D., Taylor, L., Tong, J. P.Y., Wiltink, S., Zmicerevska, N., Hermens, Daniel, Guastella, Adam, and McGorry, P. D.

Published
2015
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19. Corrigendum: Relationship between polyunsaturated fatty acids and psychopathology in the NEURAPRO Clinical Trial

Author

Berger, M, Nelson, B, Markulev, C, Yuen, H P, Schäfer, M R, Mossaheb, N, Schlögelhofer, M, Smesny, S, Hickie, I B, Berger, G E, Chen, E Y H, de Haan, L, Nieman, D H, Nordentoft, M, Riecher-Rössler, A, Verma, S, Mitchell, T W, Meyer, B J, Thompson, A, Yung, Alison, McGorry, P D, Amminger, G P, Berger, M, Nelson, B, Markulev, C, Yuen, H P, Schäfer, M R, Mossaheb, N, Schlögelhofer, M, Smesny, S, Hickie, I B, Berger, G E, Chen, E Y H, de Haan, L, Nieman, D H, Nordentoft, M, Riecher-Rössler, A, Verma, S, Mitchell, T W, Meyer, B J, Thompson, A, Yung, Alison, McGorry, P D, and Amminger, G P

Published
2020

20. Basic symptoms in young people at ultra-high risk of psychosis:Association with clinical characteristics and outcomes

Author

Youn, S., Phillips, L. J., Amminger, G. P., Berger, G., Chen, E. Y.H., de Haan, L., Hartmann, J. A., Hickie, I. B., Lavoie, S., Markulev, C., McGorry, P. D., Mossaheb, N., Nieman, D. H., Nordentoft, M., Riecher-Rössler, A., Schäfer, M. R., Schlögelhofer, M., Smesny, S., Thompson, A., Verma, S., Yuen, H. P., Yung, A. R., Nelson, B., Youn, S., Phillips, L. J., Amminger, G. P., Berger, G., Chen, E. Y.H., de Haan, L., Hartmann, J. A., Hickie, I. B., Lavoie, S., Markulev, C., McGorry, P. D., Mossaheb, N., Nieman, D. H., Nordentoft, M., Riecher-Rössler, A., Schäfer, M. R., Schlögelhofer, M., Smesny, S., Thompson, A., Verma, S., Yuen, H. P., Yung, A. R., and Nelson, B.

Abstract

There has been limited research into the predictive value of basic symptoms and their relationship with other psychopathology in patients identified using the ‘ultra high risk’ (UHR) for psychosis approach. The current study investigated whether basic symptoms, specifically cognitive disturbances (COGDIS), were associated with a greater risk of transition to psychotic disorder and persistent attenuated psychotic symptoms (APS) at medium term follow-up (mean = 3.4 years) in UHR patients, as well as with general psychopathology at baseline. The sample included 304 UHR participants (mean age = 19.12 years) involved in an international multicenter trial of omega-3 fatty acids. UHR individuals who also met the COGDIS criteria (basic symptoms risk criteria) did not have a greater risk of transition than those who met the UHR criteria alone. However, meeting COGDIS risk criteria was associated with a greater likelihood of meeting the UHR attenuated psychotic symptoms risk group (i.e., having persistent attenuated psychotic symptoms) at 12-month follow-up (odds ratio = 1.85; 95% CI = 1.03, 3.32). Greater severity of cognitive basic symptoms was also independently associated with more severe general psychopathology at study entry. The findings do not support the notion that combined risk identification approaches (UHR and basic symptoms) aid in the identification of individuals at greatest risk of psychosis, although this interpretation is limited by the modest transition to psychosis rate (13%) and the time of follow up. However, the findings indicate that basic symptoms may be a clinically useful marker of more severe general psychopathology in UHR groups and risk for persistent attenuated psychotic symptoms.

Published
2020

21. Do schizotypal or borderline personality disorders predict onset of psychotic disorder or persistent attenuated psychotic symptoms in patients at high clinical risk?

Author

Hadar, H., Zhang, H., Phillips, L. J., Amminger, G. P., Berger, G. E., Chen, E. Y.H., de Haan, L., Hartmann, J. A., Hickie, I. B., Lavoie, S., Markulev, C., McGorry, P. D., Mossaheb, N., Nieman, D. H., Nordentoft, M., Riecher-Rössler, A., Schäfer, M. R., Schlögelhofer, M., Smesny, S., Thompson, A., Verma, S., Yuen, H. P., Yung, A. R., Nelson, B., Hadar, H., Zhang, H., Phillips, L. J., Amminger, G. P., Berger, G. E., Chen, E. Y.H., de Haan, L., Hartmann, J. A., Hickie, I. B., Lavoie, S., Markulev, C., McGorry, P. D., Mossaheb, N., Nieman, D. H., Nordentoft, M., Riecher-Rössler, A., Schäfer, M. R., Schlögelhofer, M., Smesny, S., Thompson, A., Verma, S., Yuen, H. P., Yung, A. R., and Nelson, B.

Published
2020

25. Genome-wide association study of major depressive disorder: new results, meta-analysis, and lessons learned

Author

Wray, N R, Pergadia, M L, Blackwood, D HR, Penninx, B WJH, Gordon, S D, Nyholt, D R, Ripke, S, MacIntyre, D J, McGhee, K A, Maclean, A W, Smit, J H, Hottenga, J J, Willemsen, G, Middeldorp, C M, de Geus, E JC, Lewis, C M, McGuffin, P, Hickie, I B, van den Oord, E JCG, Liu, J Z, Macgregor, S, McEvoy, B P, Byrne, E M, Medland, S E, Statham, D J, Henders, A K, Heath, A C, Montgomery, G W, Martin, N G, Boomsma, D I, Madden, P AF, and Sullivan, P F

Published
2012
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27. Distress related to attenuated psychotic symptoms: Static and dynamic association with transition to psychosis, non-remission and transdiagnostic symptomatology in clinical high-risk patients in an international intervention trial

Author

Nelson, B, primary, Yuen, H P, primary, Amminger, G P, primary, Berger, G, primary, Chen, E Y H, primary, de Haan, L, primary, Hartmann, J A, primary, Hickie, I B, primary, Lavoie, S, primary, Markulev, C, primary, Mossaheb, N, primary, Nieman, D H, primary, Nordentoft, M, primary, Polari, A, primary, Riecher-Rössler, A, primary, Schäfer, M R, primary, Schlögelhofer, M, primary, Smesny, S, primary, Tedja, A, primary, Thompson, A, primary, Verma, S, primary, Yung, A R, primary, and McGorry, P D, primary

Published
2020
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30. Relationship between polyunsaturated fatty acids and psychopathology in the NEURAPRO clinical trial

Author

Berger, M, Nelson, B, Markulev, C, Yuen, H P, Schäfer, M R, Mossaheb, N, Schlögelhofer, M, Smesny, S, Hickie, I B, Berger, G E, Chen, E Y H, De Haan, L, Nieman, D H, Nordentoft, M, Riecher-Rössler, A, Verma, S, Thompson, A, Yung, Alison Ruth, McGorry, P D, Paul Amminger, G, Berger, M, Nelson, B, Markulev, C, Yuen, H P, Schäfer, M R, Mossaheb, N, Schlögelhofer, M, Smesny, S, Hickie, I B, Berger, G E, Chen, E Y H, De Haan, L, Nieman, D H, Nordentoft, M, Riecher-Rössler, A, Verma, S, Thompson, A, Yung, Alison Ruth, McGorry, P D, and Paul Amminger, G

Published
2019

31. Integrated analysis of environmental and genetic influences on cord blood DNA methylation in new-borns

Author

Czamara, D. (Darina), Eraslan, G. (Goekcen), Page, C. M. (Christian M.), Lahti, J. (Jari), Lahti-Pulkkinen, M. (Marius), Hamalainen, E. (Esa), Kajantie, E. (Eero), Laivuori, H. (Hannele), Villa, P. M. (Pia M.), Reynolds, R. M. (Rebecca M.), Nystad, W. (Wenche), Haberg, S. E. (Siri E.), London, S. J. (Stephanie J.), O'Donnell, K. J. (Kieran J.), Garg, E. (Elika), Meaney, M. J. (Michael J.), Entringer, S. (Sonja), Wadhwa, P. D. (Pathik D.), Buss, C. (Claudia), Jones, M. J. (Meaghan J.), Lin, D. T. (David T. S.), MacIsaac, J. L. (Julie L.), Kobor, M. S. (Michael S.), Koen, N. (Nastassja), Zar, H. J. (Heather J.), Koenen, K. C. (Karestan C.), Dalvie, S. (Shareefa), Stein, D. J. (Dan J.), Kondofersky, I. (Ivan), Mueller, N. S. (Nikola S.), Theis, F. J. (Fabian J.), Raikkonen, K. (Katri), Binder, E. B. (Elisabeth B.), Wray, N. R. (Naomi R.), Ripke, S. (Stephan), Mattheisen, M. (Manuel), Trzaskowski, M. (Maciej), Byrne, E. M. (Enda M.), Abdellaoui, A. (Abdel), Adams, M. J. (Mark J.), Agerbo, E. (Esben), Air, T. M. (Tracy M.), Andlauer, T. F. (Till F. M.), Bacanu, S.-A. (Silviu-Alin), Baekvad-Hansen, M. (Marie), Beekman, A. T. (Aartjan T. F.), Bigdeli, T. B. (Tim B.), Blackwood, D. H. (Douglas H. R.), Bryois, J. (Julien), Buttenschon, H. N. (Henriette N.), Bybjerg-Grauholm, J. (Jonas), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J. H. (Jane Hvarregaard), Clarke, T.-K. (Toni-Kim), Coleman, J. R. (Jonathan R., I), Colodro-Conde, L. (Lucia), Couvy-Duchesne, B. (Baptiste), Craddock, N. (Nick), Crawford, G. E. (Gregory E.), Davies, G. (Gail), Deary, I. J. (Ian J.), Degenhardt, F. (Franziska), Derks, E. M. (Eske M.), Direk, N. (Nese), Dolan, C. V. (Conor, V), Dunn, E. C. (Erin C.), Eley, T. C. (Thalia C.), Escott-Price, V. (Valentina), Kiadeh, F. F. (Farnush Farhadi Hassan), Finucane, H. K. (Hilary K.), Forstner, A. J. (Andreas J.), Frank, J. (Josef), Gaspar, H. A. (Helena A.), Gill, M. (Michael), Goes, F. S. (Fernando S.), Gordon, S. D. (Scott D.), Grove, J. (Jakob), Hall, L. S. (Lynsey S.), Hansen, C. S. (Christine Soholm), Hansen, T. F. (Thomas F.), Herms, S. (Stefan), Hickie, I. B. (Ian B.), Hoffmann, P. (Per), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.-J. (Jouke-Jan), Hougaard, D. M. (David M.), Ising, M. (Marcus), Jansen, R. (Rick), Jorgenson, E. (Eric), Knowles, J. A. (James A.), Kohane, I. S. (Isaac S.), Kraft, J. (Julia), Kretzschmar, W. W. (Warren W.), Krogh, J. (Jesper), Kutalik, Z. (Zoltan), Li, Y. (Yihan), Lind, P. A. (Penelope A.), MacIntyre, D. J. (Donald J.), MacKinnon, D. F. (Dean F.), Maier, R. M. (Robert M.), Maier, W. (Wolfgang), Marchini, J. (Jonathan), Mbarek, H. (Hamdi), McGrath, P. (Patrick), McGuffin, P. (Peter), Medland, S. E. (Sarah E.), Mehta, D. (Divya), Middeldorp, C. M. (Christel M.), Mihailov, E. (Evelin), Milaneschi, Y. (Yuri), Milani, L. (Lili), Mondimore, F. M. (Francis M.), Montgomery, G. W. (Grant W.), Mostafavi, S. (Sara), Mullins, N. (Niamh), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. G. (Michel G.), Nyholt, D. R. (Dale R.), O'Reilly, P. F. (Paul F.), Oskarsson, H. (Hogni), Owen, M. J. (Michael J.), Painter, J. N. (Jodie N.), Pedersen, C. B. (Carsten Bocker), Pedersen, M. G. (Marianne Girtz), Peterson, R. E. (Roseann E.), Pettersson, E. (Erik), Peyrot, W. J. (Wouter J.), Pistis, G. (Giorgio), Posthuma, D. (Danielle), Quiroz, J. A. (Jorge A.), Qvist, P. (Per), Rice, J. P. (John P.), Riley, B. P. (Brien P.), Rivera, M. (Margarita), Mirza, S. S. (Saira Saeed), Schoevers, R. (Robert), Schulte, E. C. (Eva C.), Shen, L. (Ling), Shi, J. (Jianxin), Shyn, S. I. (Stanley, I), Sigurdsson, E. (Engilbert), Sinnamon, G. C. (Grant C. B.), Smit, J. H. (Johannes H.), Smith, D. J. (Daniel J.), Stefansson, H. (Hreinn), Steinberg, S. (Stacy), Streit, F. (Fabian), Strohmaier, J. (Jana), Tansey, K. E. (Katherine E.), Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W. (Wesley), Thomson, P. A. (Pippa A.), Thorgeirsson, T. E. (Thorgeir E.), Traylor, M. (Matthew), Treutlein, J. (Jens), Trubetskoy, V. (Vassily), Uitterlinden, A. G. (Andre G.), Umbricht, D. (Daniel), Van der Auwera, S. (Sandra), van Hemert, A. M. (Albert M.), Viktorin, A. (Alexander), Visscher, P. M. (Peter M.), Wang, Y. (Yunpeng), Webb, B. T. (Bradley T.), Weinsheimer, S. M. (Shantel Marie), Wellmann, J. (Juergen), Willemsen, G. (Gonneke), Witt, S. H. (Stephanie H.), Wu, Y. (Yang), Xi, H. S. (Hualin S.), Yang, J. (Jian), Zhang, F. (Futao), Arolt, V. (Volker), Baune, B. T. (Bernhard T.), Berger, K. (Klaus), Boomsma, D. I. (Dorret, I), Cichon, S. (Sven), Dannlowski, U. (Udo), de Geus, E. J. (E. J. C.), DePaulo, J. R. (J. Raymond), Domenici, E. (Enrico), Domschke, K. (Katharina), Esko, T. (Tonu), Grabe, H. J. (Hans J.), Hamilton, S. P. (Steven P.), Hayward, C. (Caroline), Heath, A. C. (Andrew C.), Kendler, K. S. (Kenneth S.), Kloiber, S. (Stefan), Lewis, G. (Glyn), Li, Q. S. (Qingqin S.), Lucae, S. (Susanne), Madden, P. A. (Pamela A. F.), Magnusson, P. K. (Patrik K.), Martin, N. G. (Nicholas G.), McIntosh, A. M. (Andrew M.), Metspalu, A. (Andres), Mors, O. (Ole), Mortensen, P. B. (Preben Bo), Mueller-Myhsok, B. (Bertram), Nordentoft, M. (Merete), Noethen, M. M. (Markus M.), O'Donovan, M. C. (Michael C.), Paciga, S. A. (Sara A.), Pedersen, N. L. (Nancy L.), Penninx, B. W. (Brenda W. J. H.), Perlis, R. H. (Roy H.), Porteous, D. J. (David J.), Potash, J. B. (James B.), Preisig, M. (Martin), Rietschel, M. (Marcella), Schaefer, C. (Catherine), Schulze, T. G. (Thomas G.), Smoller, J. W. (Jordan W.), Stefansson, K. (Kari), Tiemeier, H. (Henning), Uher, R. (Rudolf), Voelzke, H. (Henry), Weissman, M. M. (Myrna M.), Werge, T. (Thomas), Lewis, C. M. (Cathryn M.), Levinson, D. F. (Douglas F.), Breen, G. (Gerome), Borglum, A. D. (Anders D.), Sullivan, P. F. (Patrick F.), Czamara, D. (Darina), Eraslan, G. (Goekcen), Page, C. M. (Christian M.), Lahti, J. (Jari), Lahti-Pulkkinen, M. (Marius), Hamalainen, E. (Esa), Kajantie, E. (Eero), Laivuori, H. (Hannele), Villa, P. M. (Pia M.), Reynolds, R. M. (Rebecca M.), Nystad, W. (Wenche), Haberg, S. E. (Siri E.), London, S. J. (Stephanie J.), O'Donnell, K. J. (Kieran J.), Garg, E. (Elika), Meaney, M. J. (Michael J.), Entringer, S. (Sonja), Wadhwa, P. D. (Pathik D.), Buss, C. (Claudia), Jones, M. J. (Meaghan J.), Lin, D. T. (David T. S.), MacIsaac, J. L. (Julie L.), Kobor, M. S. (Michael S.), Koen, N. (Nastassja), Zar, H. J. (Heather J.), Koenen, K. C. (Karestan C.), Dalvie, S. (Shareefa), Stein, D. J. (Dan J.), Kondofersky, I. (Ivan), Mueller, N. S. (Nikola S.), Theis, F. J. (Fabian J.), Raikkonen, K. (Katri), Binder, E. B. (Elisabeth B.), Wray, N. R. (Naomi R.), Ripke, S. (Stephan), Mattheisen, M. (Manuel), Trzaskowski, M. (Maciej), Byrne, E. M. (Enda M.), Abdellaoui, A. (Abdel), Adams, M. J. (Mark J.), Agerbo, E. (Esben), Air, T. M. (Tracy M.), Andlauer, T. F. (Till F. M.), Bacanu, S.-A. (Silviu-Alin), Baekvad-Hansen, M. (Marie), Beekman, A. T. (Aartjan T. F.), Bigdeli, T. B. (Tim B.), Blackwood, D. H. (Douglas H. R.), Bryois, J. (Julien), Buttenschon, H. N. (Henriette N.), Bybjerg-Grauholm, J. (Jonas), Cai, N. (Na), Castelao, E. (Enrique), Christensen, J. H. (Jane Hvarregaard), Clarke, T.-K. (Toni-Kim), Coleman, J. R. (Jonathan R., I), Colodro-Conde, L. (Lucia), Couvy-Duchesne, B. (Baptiste), Craddock, N. (Nick), Crawford, G. E. (Gregory E.), Davies, G. (Gail), Deary, I. J. (Ian J.), Degenhardt, F. (Franziska), Derks, E. M. (Eske M.), Direk, N. (Nese), Dolan, C. V. (Conor, V), Dunn, E. C. (Erin C.), Eley, T. C. (Thalia C.), Escott-Price, V. (Valentina), Kiadeh, F. F. (Farnush Farhadi Hassan), Finucane, H. K. (Hilary K.), Forstner, A. J. (Andreas J.), Frank, J. (Josef), Gaspar, H. A. (Helena A.), Gill, M. (Michael), Goes, F. S. (Fernando S.), Gordon, S. D. (Scott D.), Grove, J. (Jakob), Hall, L. S. (Lynsey S.), Hansen, C. S. (Christine Soholm), Hansen, T. F. (Thomas F.), Herms, S. (Stefan), Hickie, I. B. (Ian B.), Hoffmann, P. (Per), Homuth, G. (Georg), Horn, C. (Carsten), Hottenga, J.-J. (Jouke-Jan), Hougaard, D. M. (David M.), Ising, M. (Marcus), Jansen, R. (Rick), Jorgenson, E. (Eric), Knowles, J. A. (James A.), Kohane, I. S. (Isaac S.), Kraft, J. (Julia), Kretzschmar, W. W. (Warren W.), Krogh, J. (Jesper), Kutalik, Z. (Zoltan), Li, Y. (Yihan), Lind, P. A. (Penelope A.), MacIntyre, D. J. (Donald J.), MacKinnon, D. F. (Dean F.), Maier, R. M. (Robert M.), Maier, W. (Wolfgang), Marchini, J. (Jonathan), Mbarek, H. (Hamdi), McGrath, P. (Patrick), McGuffin, P. (Peter), Medland, S. E. (Sarah E.), Mehta, D. (Divya), Middeldorp, C. M. (Christel M.), Mihailov, E. (Evelin), Milaneschi, Y. (Yuri), Milani, L. (Lili), Mondimore, F. M. (Francis M.), Montgomery, G. W. (Grant W.), Mostafavi, S. (Sara), Mullins, N. (Niamh), Nauck, M. (Matthias), Ng, B. (Bernard), Nivard, M. G. (Michel G.), Nyholt, D. R. (Dale R.), O'Reilly, P. F. (Paul F.), Oskarsson, H. (Hogni), Owen, M. J. (Michael J.), Painter, J. N. (Jodie N.), Pedersen, C. B. (Carsten Bocker), Pedersen, M. G. (Marianne Girtz), Peterson, R. E. (Roseann E.), Pettersson, E. (Erik), Peyrot, W. J. (Wouter J.), Pistis, G. (Giorgio), Posthuma, D. (Danielle), Quiroz, J. A. (Jorge A.), Qvist, P. (Per), Rice, J. P. (John P.), Riley, B. P. (Brien P.), Rivera, M. (Margarita), Mirza, S. S. (Saira Saeed), Schoevers, R. (Robert), Schulte, E. C. (Eva C.), Shen, L. (Ling), Shi, J. (Jianxin), Shyn, S. I. (Stanley, I), Sigurdsson, E. (Engilbert), Sinnamon, G. C. (Grant C. B.), Smit, J. H. (Johannes H.), Smith, D. J. (Daniel J.), Stefansson, H. (Hreinn), Steinberg, S. (Stacy), Streit, F. (Fabian), Strohmaier, J. (Jana), Tansey, K. E. (Katherine E.), Teismann, H. (Henning), Teumer, A. (Alexander), Thompson, W. (Wesley), Thomson, P. A. (Pippa A.), Thorgeirsson, T. E. (Thorgeir E.), Traylor, M. (Matthew), Treutlein, J. (Jens), Trubetskoy, V. (Vassily), Uitterlinden, A. G. (Andre G.), Umbricht, D. (Daniel), Van der Auwera, S. (Sandra), van Hemert, A. M. (Albert M.), Viktorin, A. (Alexander), Visscher, P. M. (Peter M.), Wang, Y. (Yunpeng), Webb, B. T. (Bradley T.), Weinsheimer, S. M. (Shantel Marie), Wellmann, J. (Juergen), Willemsen, G. (Gonneke), Witt, S. H. (Stephanie H.), Wu, Y. (Yang), Xi, H. S. (Hualin S.), Yang, J. (Jian), Zhang, F. (Futao), Arolt, V. (Volker), Baune, B. T. (Bernhard T.), Berger, K. (Klaus), Boomsma, D. I. (Dorret, I), Cichon, S. (Sven), Dannlowski, U. (Udo), de Geus, E. J. (E. J. C.), DePaulo, J. R. (J. Raymond), Domenici, E. (Enrico), Domschke, K. (Katharina), Esko, T. (Tonu), Grabe, H. J. (Hans J.), Hamilton, S. P. (Steven P.), Hayward, C. (Caroline), Heath, A. C. (Andrew C.), Kendler, K. S. (Kenneth S.), Kloiber, S. (Stefan), Lewis, G. (Glyn), Li, Q. S. (Qingqin S.), Lucae, S. (Susanne), Madden, P. A. (Pamela A. F.), Magnusson, P. K. (Patrik K.), Martin, N. G. (Nicholas G.), McIntosh, A. M. (Andrew M.), Metspalu, A. (Andres), Mors, O. (Ole), Mortensen, P. B. (Preben Bo), Mueller-Myhsok, B. (Bertram), Nordentoft, M. (Merete), Noethen, M. M. (Markus M.), O'Donovan, M. C. (Michael C.), Paciga, S. A. (Sara A.), Pedersen, N. L. (Nancy L.), Penninx, B. W. (Brenda W. J. H.), Perlis, R. H. (Roy H.), Porteous, D. J. (David J.), Potash, J. B. (James B.), Preisig, M. (Martin), Rietschel, M. (Marcella), Schaefer, C. (Catherine), Schulze, T. G. (Thomas G.), Smoller, J. W. (Jordan W.), Stefansson, K. (Kari), Tiemeier, H. (Henning), Uher, R. (Rudolf), Voelzke, H. (Henry), Weissman, M. M. (Myrna M.), Werge, T. (Thomas), Lewis, C. M. (Cathryn M.), Levinson, D. F. (Douglas F.), Breen, G. (Gerome), Borglum, A. D. (Anders D.), and Sullivan, P. F. (Patrick F.)

Abstract

Epigenetic processes, including DNA methylation (DNAm), are among the mechanisms allowing integration of genetic and environmental factors to shape cellular function. While many studies have investigated either environmental or genetic contributions to DNAm, few have assessed their integrated effects. Here we examine the relative contributions of prenatal environmental factors and genotype on DNA methylation in neonatal blood at variably methylated regions (VMRs) in 4 independent cohorts (overall n = 2365). We use Akaike’s information criterion to test which factors best explain variability of methylation in the cohort-specific VMRs: several prenatal environmental factors (E), genotypes in cis (G), or their additive (G + E) or interaction (GxE) effects. Genetic and environmental factors in combination best explain DNAm at the majority of VMRs. The CpGs best explained by either G, G + E or GxE are functionally distinct. The enrichment of genetic variants from GxE models in GWAS for complex disorders supports their importance for disease risk.

Published
2019

32. Bioactive and Inflammatory Markers in Emerging Psychotic Disorders

Author

McGorry, Patrick D, Hickie, Ian B, McGorry, P D ( Patrick D ), Hickie, I B ( Ian B ), Berger, Gregor, McGorry, Patrick D, Hickie, Ian B, McGorry, P D ( Patrick D ), Hickie, I B ( Ian B ), and Berger, Gregor

Abstract

Despite over a century of intensive research, no single biological marker has successfully translated into daily clinical practice. A key challenge in psychiatric research is that traditional diagnostic categories represent phenomenological constructs that do not necessarily circumscribe a biological homogenous entity, but encompass a whole range of disorders presenting with similar phenotypes. The clinical staging model shifts our focus to search for markers relevant to particular stages of mental disorders and provides a useful framework to differentiate overlapping and heterogeneous syndromes. The identification of such “stage” dependant markers may be more meaningful and of greater prognostic and therapeutic value than our quest for categorical disease markers. In this chapter, bioactive and inflammatory markers in emerging psychotic disorders are discussed. Their specific role in brain development, psychiatric disorder onset and management are reviewed. Implications for future research are also provided.

Published
2019

36. Widespread white matter microstructural differences in schizophrenia across 4322 individuals : Results from the ENIGMA Schizophrenia DTI Working Group

Author

Kelly, S., Jahanshad, N., Zalesky, A., Kochunov, P., Agartz, I., Alloza, C., Andreassen, O. A., Arango, C., Banaj, N., Bouix, S., Bousman, C. A., Brouwer, R. M., Bruggemann, J., Bustillo, J., Cahn, W., Calhoun, V., Cannon, D., Carr, V., Catts, S., Chen, J., Chen, J. X., Chen, X., Chiapponi, C., Cho, Kl K., Ciullo, V., Corvin, A. S., Crespo-Facorro, B., Cropley, V., De Rossi, P., Diaz-Caneja, C. M., Dickie, E. W., Ehrlich, S., Fan, F. M., Faskowitz, J., Fatouros-Bergman, H., Flyckt, L., Ford, J. M., Fouche, J. P., Fukunaga, M., Gill, M., Glahn, D. C., Gollub, R., Goudzwaard, E. D., Guo, H., Gur, R. E., Gur, R. C., Gurholt, T. P., Hashimoto, R., Hatton, S. N., Henskens, F. A., Hibar, D. P., Hickie, I. B., Hong, L. E., Horacek, J., Howells, F. M., Hulshoff Pol, H. E., Hyde, C. L., Isaev, D., Jablensky, A., Jansen, P. R., Janssen, J., Jönsson, E. G., Jung, L. A., Kahn, R. S., Kikinis, Z., Liu, K., Klauser, P., Knöchel, C., Kubicki, M., Lagopoulos, J., Langen, C., Lawrie, S., Lenroot, R. K., Lim, K. O., Lopez-Jaramillo, C., Lyall, A., Magnotta, V., Mandl, R. C.W., Mathalon, D. H., McCarley, R. W., McCarthy-Jones, S., McDonald, C., McEwen, S., McIntosh, A., Melicher, T., Mesholam-Gately, R. I., Michie, P. T., Mowry, B., Mueller, B. A., Newell, D. T., O'Donnell, P., Oertel-Knöchel, V., Oestreich, L., Paciga, S. A., Pantelis, C., Pasternak, O., Pearlson, G., Pellicano, G. R., Pereira, A., Pineda Zapata, J., Piras, F., Potkin, S. G., Preda, A., Rasser, P. E., Roalf, D. R., Roiz, R., Roos, A., Rotenberg, D., Satterthwaite, T. D., Savadjiev, P., Schall, U., Scott, R. J., Seal, M. L., Seidman, L. J., Shannon Weickert, C., Whelan, C. D., Shenton, M. E., Kwon, J. S., Spalletta, G., Spaniel, F., Sprooten, E., Stäblein, M., Stein, D. J., Sundram, S., Tan, Y., Tan, S., Tang, S., Temmingh, H. S., Westlye, L. T., Tønnesen, S., Tordesillas-Gutierrez, D., Doan, N. T., Vaidya, J., Van Haren, N. E.M., Vargas, C. D., Vecchio, D., Velakoulis, D., Voineskos, A., Voyvodic, J. Q., Wang, Z., Wan, P., Wei, D., Weickert, T. W., Whalley, H., White, T., Whitford, T. J., Wojcik, J. D., Xiang, H., Xie, Z., Yamamori, H., Yang, F., Yao, N., Zhang, G., Zhao, J., Van Erp, T. G.M., Turner, J., Thompson, P. M., Donohoe, G., Kelly, S., Jahanshad, N., Zalesky, A., Kochunov, P., Agartz, I., Alloza, C., Andreassen, O. A., Arango, C., Banaj, N., Bouix, S., Bousman, C. A., Brouwer, R. M., Bruggemann, J., Bustillo, J., Cahn, W., Calhoun, V., Cannon, D., Carr, V., Catts, S., Chen, J., Chen, J. X., Chen, X., Chiapponi, C., Cho, Kl K., Ciullo, V., Corvin, A. S., Crespo-Facorro, B., Cropley, V., De Rossi, P., Diaz-Caneja, C. M., Dickie, E. W., Ehrlich, S., Fan, F. M., Faskowitz, J., Fatouros-Bergman, H., Flyckt, L., Ford, J. M., Fouche, J. P., Fukunaga, M., Gill, M., Glahn, D. C., Gollub, R., Goudzwaard, E. D., Guo, H., Gur, R. E., Gur, R. C., Gurholt, T. P., Hashimoto, R., Hatton, S. N., Henskens, F. A., Hibar, D. P., Hickie, I. B., Hong, L. E., Horacek, J., Howells, F. M., Hulshoff Pol, H. E., Hyde, C. L., Isaev, D., Jablensky, A., Jansen, P. R., Janssen, J., Jönsson, E. G., Jung, L. A., Kahn, R. S., Kikinis, Z., Liu, K., Klauser, P., Knöchel, C., Kubicki, M., Lagopoulos, J., Langen, C., Lawrie, S., Lenroot, R. K., Lim, K. O., Lopez-Jaramillo, C., Lyall, A., Magnotta, V., Mandl, R. C.W., Mathalon, D. H., McCarley, R. W., McCarthy-Jones, S., McDonald, C., McEwen, S., McIntosh, A., Melicher, T., Mesholam-Gately, R. I., Michie, P. T., Mowry, B., Mueller, B. A., Newell, D. T., O'Donnell, P., Oertel-Knöchel, V., Oestreich, L., Paciga, S. A., Pantelis, C., Pasternak, O., Pearlson, G., Pellicano, G. R., Pereira, A., Pineda Zapata, J., Piras, F., Potkin, S. G., Preda, A., Rasser, P. E., Roalf, D. R., Roiz, R., Roos, A., Rotenberg, D., Satterthwaite, T. D., Savadjiev, P., Schall, U., Scott, R. J., Seal, M. L., Seidman, L. J., Shannon Weickert, C., Whelan, C. D., Shenton, M. E., Kwon, J. S., Spalletta, G., Spaniel, F., Sprooten, E., Stäblein, M., Stein, D. J., Sundram, S., Tan, Y., Tan, S., Tang, S., Temmingh, H. S., Westlye, L. T., Tønnesen, S., Tordesillas-Gutierrez, D., Doan, N. T., Vaidya, J., Van Haren, N. E.M., Vargas, C. D., Vecchio, D., Velakoulis, D., Voineskos, A., Voyvodic, J. Q., Wang, Z., Wan, P., Wei, D., Weickert, T. W., Whalley, H., White, T., Whitford, T. J., Wojcik, J. D., Xiang, H., Xie, Z., Yamamori, H., Yang, F., Yao, N., Zhang, G., Zhao, J., Van Erp, T. G.M., Turner, J., Thompson, P. M., and Donohoe, G.

Published
2018

37. NEURAPRO: A multi-centre RCT of omega-3 polyunsaturated fatty acids versus placebo in young people at ultra-high risk of psychotic disorders - Medium-term follow-up and clinical course

Author

Nelson, B, Amminger, G P, Yuen, H P, Markulev, C, Lavoie, S, Schäfer, M R, Hartmann, J A, Mossaheb, N, Schlögelhofer, M, Smesny, S, Hickie, I B, Berger, G, Chen, E Y H, De Haan, L, Nieman, D H, Nordentoft, M, Riecher-Rössler, A, Verma, S, Thompson, A, Yung, A R, McGorry, P D, Nelson, B, Amminger, G P, Yuen, H P, Markulev, C, Lavoie, S, Schäfer, M R, Hartmann, J A, Mossaheb, N, Schlögelhofer, M, Smesny, S, Hickie, I B, Berger, G, Chen, E Y H, De Haan, L, Nieman, D H, Nordentoft, M, Riecher-Rössler, A, Verma, S, Thompson, A, Yung, A R, and McGorry, P D

Published
2018

38. Widespread white matter microstructural differences in schizophrenia across 4322 individuals: Results from the ENIGMA Schizophrenia DTI Working Group

Author

Onderzoeksgroep 1, Brain, Affectieve & Psychotische Med., Research Office, Onderzoek Bob Oranje, Onderzoeksgroep 11, Onderzoeksgroep 8, Onderzoeksgroep 4, Kelly, S., Jahanshad, N., Zalesky, A., Kochunov, P., Agartz, I., Alloza, C., Andreassen, O. A., Arango, C., Banaj, N., Bouix, S., Bousman, C. A., Brouwer, R. M., Bruggemann, J., Bustillo, J., Cahn, W., Calhoun, V., Cannon, D., Carr, V., Catts, S., Chen, J., Chen, J. X., Chen, X., Chiapponi, C., Cho, Kl K., Ciullo, V., Corvin, A. S., Crespo-Facorro, B., Cropley, V., De Rossi, P., Diaz-Caneja, C. M., Dickie, E. W., Ehrlich, S., Fan, F. M., Faskowitz, J., Fatouros-Bergman, H., Flyckt, L., Ford, J. M., Fouche, J. P., Fukunaga, M., Gill, M., Glahn, D. C., Gollub, R., Goudzwaard, E. D., Guo, H., Gur, R. E., Gur, R. C., Gurholt, T. P., Hashimoto, R., Hatton, S. N., Henskens, F. A., Hibar, D. P., Hickie, I. B., Hong, L. E., Horacek, J., Howells, F. M., Hulshoff Pol, H. E., Hyde, C. L., Isaev, D., Jablensky, A., Jansen, P. R., Janssen, J., Jönsson, E. G., Jung, L. A., Kahn, R. S., Kikinis, Z., Liu, K., Klauser, P., Knöchel, C., Kubicki, M., Lagopoulos, J., Langen, C., Lawrie, S., Lenroot, R. K., Lim, K. O., Lopez-Jaramillo, C., Lyall, A., Magnotta, V., Mandl, R. C.W., Mathalon, D. H., McCarley, R. W., McCarthy-Jones, S., McDonald, C., McEwen, S., McIntosh, A., Melicher, T., Mesholam-Gately, R. I., Michie, P. T., Mowry, B., Mueller, B. A., Newell, D. T., O'Donnell, P., Oertel-Knöchel, V., Oestreich, L., Paciga, S. A., Pantelis, C., Pasternak, O., Pearlson, G., Pellicano, G. R., Pereira, A., Pineda Zapata, J., Piras, F., Potkin, S. G., Preda, A., Rasser, P. E., Roalf, D. R., Roiz, R., Roos, A., Rotenberg, D., Satterthwaite, T. D., Savadjiev, P., Schall, U., Scott, R. J., Seal, M. L., Seidman, L. J., Shannon Weickert, C., Whelan, C. D., Shenton, M. E., Kwon, J. S., Spalletta, G., Spaniel, F., Sprooten, E., Stäblein, M., Stein, D. J., Sundram, S., Tan, Y., Tan, S., Tang, S., Temmingh, H. S., Westlye, L. T., Tønnesen, S., Tordesillas-Gutierrez, D., Doan, N. T., Vaidya, J., Van Haren, N. E.M., Vargas, C. D., Vecchio, D., Velakoulis, D., Voineskos, A., Voyvodic, J. Q., Wang, Z., Wan, P., Wei, D., Weickert, T. W., Whalley, H., White, T., Whitford, T. J., Wojcik, J. D., Xiang, H., Xie, Z., Yamamori, H., Yang, F., Yao, N., Zhang, G., Zhao, J., Van Erp, T. G.M., Turner, J., Thompson, P. M., Donohoe, G., Onderzoeksgroep 1, Brain, Affectieve & Psychotische Med., Research Office, Onderzoek Bob Oranje, Onderzoeksgroep 11, Onderzoeksgroep 8, Onderzoeksgroep 4, Kelly, S., Jahanshad, N., Zalesky, A., Kochunov, P., Agartz, I., Alloza, C., Andreassen, O. A., Arango, C., Banaj, N., Bouix, S., Bousman, C. A., Brouwer, R. M., Bruggemann, J., Bustillo, J., Cahn, W., Calhoun, V., Cannon, D., Carr, V., Catts, S., Chen, J., Chen, J. X., Chen, X., Chiapponi, C., Cho, Kl K., Ciullo, V., Corvin, A. S., Crespo-Facorro, B., Cropley, V., De Rossi, P., Diaz-Caneja, C. M., Dickie, E. W., Ehrlich, S., Fan, F. M., Faskowitz, J., Fatouros-Bergman, H., Flyckt, L., Ford, J. M., Fouche, J. P., Fukunaga, M., Gill, M., Glahn, D. C., Gollub, R., Goudzwaard, E. D., Guo, H., Gur, R. E., Gur, R. C., Gurholt, T. P., Hashimoto, R., Hatton, S. N., Henskens, F. A., Hibar, D. P., Hickie, I. B., Hong, L. E., Horacek, J., Howells, F. M., Hulshoff Pol, H. E., Hyde, C. L., Isaev, D., Jablensky, A., Jansen, P. R., Janssen, J., Jönsson, E. G., Jung, L. A., Kahn, R. S., Kikinis, Z., Liu, K., Klauser, P., Knöchel, C., Kubicki, M., Lagopoulos, J., Langen, C., Lawrie, S., Lenroot, R. K., Lim, K. O., Lopez-Jaramillo, C., Lyall, A., Magnotta, V., Mandl, R. C.W., Mathalon, D. H., McCarley, R. W., McCarthy-Jones, S., McDonald, C., McEwen, S., McIntosh, A., Melicher, T., Mesholam-Gately, R. I., Michie, P. T., Mowry, B., Mueller, B. A., Newell, D. T., O'Donnell, P., Oertel-Knöchel, V., Oestreich, L., Paciga, S. A., Pantelis, C., Pasternak, O., Pearlson, G., Pellicano, G. R., Pereira, A., Pineda Zapata, J., Piras, F., Potkin, S. G., Preda, A., Rasser, P. E., Roalf, D. R., Roiz, R., Roos, A., Rotenberg, D., Satterthwaite, T. D., Savadjiev, P., Schall, U., Scott, R. J., Seal, M. L., Seidman, L. J., Shannon Weickert, C., Whelan, C. D., Shenton, M. E., Kwon, J. S., Spalletta, G., Spaniel, F., Sprooten, E., Stäblein, M., Stein, D. J., Sundram, S., Tan, Y., Tan, S., Tang, S., Temmingh, H. S., Westlye, L. T., Tønnesen, S., Tordesillas-Gutierrez, D., Doan, N. T., Vaidya, J., Van Haren, N. E.M., Vargas, C. D., Vecchio, D., Velakoulis, D., Voineskos, A., Voyvodic, J. Q., Wang, Z., Wan, P., Wei, D., Weickert, T. W., Whalley, H., White, T., Whitford, T. J., Wojcik, J. D., Xiang, H., Xie, Z., Yamamori, H., Yang, F., Yao, N., Zhang, G., Zhao, J., Van Erp, T. G.M., Turner, J., Thompson, P. M., and Donohoe, G.

Published
2018

39. Genetic Effects Influencing Risk For Major Depressive Disorder In China And Europe

Author

on behalf of the CONVERGE consortium and Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Bigdeli, T B, Ripke, S, Peterson, R E, Trzaskowski, M, Bacanu, S-A, Abdellaoui, A, Andlauer, T F M, Beekman, A T F, Berger, K, Blackwood, D H R, Boomsma, D I, Breen, G, Buttenschøn, H N, Byrne, E M, Cichon, S, Clarke, T-K, Couvy-Duchesne, B, Craddock, N, de Geus, E J C, Degenhardt, F, Dunn, E C, Edwards, A C, Fanous, A H, Forstner, A J, Frank, J, Gill, M, Gordon, S D, Grabe, H J, Hamilton, S P, Hardiman, O, Hayward, C, Heath, A C, Henders, A K, Herms, S, Hickie, I B, Hoffmann, P, Homuth, G, Hottenga, J-J, Ising, M, Jansen, R, Kloiber, S, Knowles, J A, Lang, M, Li, Q S, Lucae, S, MacIntyre, D J, Madden, P A F, Martin, N G, McGrath, P J, McGuffin, P, McIntosh, A M, Medland, S E, Mehta, D, Middeldorp, C M, Milaneschi, Y, Montgomery, G W, Mors, O, Müller-Myhsok, B, Nauck, M, Nyholt, D R, Nöthen, M M, Owen, M J, Penninx, B W J H, Pergadia, M L, Perlis, R H, Peyrot, W J, Porteous, D J, Potash, J B, Rice, J P, Rietschel, M, Riley, B P, Rivera, M, Schoevers, R, Schulze, T G, Shi, J, Shyn, S I, Smit, J H, Smoller, J W, Streit, F, Strohmaier, J, Teumer, A, Treutlein, J, Van der Auwera, S, van Grootheest, G, van Hemert, A M, Völzke, H, Webb, B T, Weissman, Myrna M., Wellmann, J, Willemsen, G, and Witt, S H

Published
2017
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40. Awareness of headspace youth mental health service centres across Australian communities between 2008 and 2015.

Author

Perera, S., Hetrick, S., Cotton, S., Parker, A., Rickwood, D., Davenport, T., Hickie, I. B., Herrman, H., and McGorry, P.

Subjects
COMMUNITY health services, COMPARATIVE studies, HELP-seeking behavior
Abstract

Background: Two common barriers to help-seeking are lack of awareness of appropriate services, and low mental health literacy. The headspace awareness campaigns are designed to address these factors. Aims: To examine whether distance from a headspace centre affects community awareness of headspace, and whether general awareness of headspace changed between 2008 and 2015. Method: Responses from 4707 participants aged 12–25 years, collected in 2008 and 2015, were analysed. The effect of headspace centre location on awareness of services was assessed by comparing awareness between those living in headspace areas (within 20 km of a centre) and those who were not. Change in awareness between 2008 and 2015 was assessed. Results: Awareness of headspace and its services was significantly greater among those living in headspace areas than among those living further away. Within headspace areas, awareness increased by 27% between 2008 and 2015. Prompted and unprompted awareness were significantly greater in 2015 than in 2008. Conclusions: Awareness of headspace has increased over time; however, innovative awareness campaigns are needed for those residing in non-headspace areas. Continued funding to increase headspace's national coverage, improving mental health literacy and service access for youth and their families, particularly those living in non-headspace areas, is needed. [ABSTRACT FROM AUTHOR]

Published
2020
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41. Hair cortisol in twins:heritability and genetic overlap with psychological variables and stress-system genes

Author

Rietschel, L. (Liz), Streit, F. (Fabian), Zhu, G. (Gu), McAlone, K. (Kerrie), Frank, J. (Josef), Couvy-Duchesne, B. (Baptiste), Witt, S. H. (Stephanie H.), Binz, T. M. (Tina M.), McGrath, J. (John), Hickie, I. B. (Ian B.), Hansel, N. K. (Narelle K.), Wright, M. J. (Margaret J.), Gillespie, N. A. (Nathan A.), Forstner, A. J. (Andreas J.), Schulze, T. G. (Thomas G.), Wüst, S. (Stefan), Nöthen, M. M. (Markus M.), Baumgartner, M. R. (Markus R.), Walker, B. R. (Brian R.), Crawford, A. A. (Andrew A.), Colodro-Conde, L. (Lucía), Medland, S. E. (Sarah E.), Martin, N. G. (Nicholas G.), Rietschel, M. (Marcella), Rietschel, L. (Liz), Streit, F. (Fabian), Zhu, G. (Gu), McAlone, K. (Kerrie), Frank, J. (Josef), Couvy-Duchesne, B. (Baptiste), Witt, S. H. (Stephanie H.), Binz, T. M. (Tina M.), McGrath, J. (John), Hickie, I. B. (Ian B.), Hansel, N. K. (Narelle K.), Wright, M. J. (Margaret J.), Gillespie, N. A. (Nathan A.), Forstner, A. J. (Andreas J.), Schulze, T. G. (Thomas G.), Wüst, S. (Stefan), Nöthen, M. M. (Markus M.), Baumgartner, M. R. (Markus R.), Walker, B. R. (Brian R.), Crawford, A. A. (Andrew A.), Colodro-Conde, L. (Lucía), Medland, S. E. (Sarah E.), Martin, N. G. (Nicholas G.), and Rietschel, M. (Marcella)

Abstract

Hair cortisol concentration (HCC) is a promising measure of long-term hypothalamus-pituitary-adrenal (HPA) axis activity. Previous research has suggested an association between HCC and psychological variables, and initial studies of inter-individual variance in HCC have implicated genetic factors. However, whether HCC and psychological variables share genetic risk factors remains unclear. The aims of the present twin study were to: (i) assess the heritability of HCC; (ii) estimate the phenotypic and genetic correlation between HPA axis activity and the psychological variables perceived stress, depressive symptoms, and neuroticism; using formal genetic twin models and molecular genetic methods, i.e. polygenic risk scores (PRS). HCC was measured in 671 adolescents and young adults. These included 115 monozygotic and 183 dizygotic twin-pairs. For 432 subjects PRS scores for plasma cortisol, major depression, and neuroticism were calculated using data from large genome wide association studies. The twin model revealed a heritability for HCC of 72%. No significant phenotypic or genetic correlation was found between HCC and the three psychological variables of interest. PRS did not explain variance in HCC. The present data suggest that HCC is highly heritable. However, the data do not support a strong biological link between HCC and any of the investigated psychological variables., Consortia CORtisolNETwork (CORNET) Consortium Jennifer L. Bolton21 Caroline Hayward23 Nese Direk24,25 Anna Anderson21 Jennifer Huffman23 James F. Wilson26 Harry Campbell26 Igor Rudan26 Alan Wright23 Nicholas Hastie23 Sarah H. Wild26 Fleur P. Velders24 Albert Hofman24 Andre G. Uitterlinden24,27 Jari Lahti28 Katri Räikkönen28 Eero Kajantie29 Elisabeth Widen30 Aarno Palotie30,31 Johan G. Eriksson29,32,33,34,35 Marika Kaakinen36 Marjo-Riitta Järvelin36,37,38,39 Nicholas J. Timpson40 George Davey Smith40 Susan M. Ring41 David M. Evans40 Beate St Pourcain41 Toshiko Tanaka42 Yuri Milaneschi42,43 Stefania Bandinelli44 Luigi Ferrucci42 Pim van der Harst45,46,47 Judith GM Rosmalen48 Stephen JL Bakker49 Niek Verweij45 Robin PF Dullaart49 Anubha Mahajan50 Cecilia M. Lindgren50 Andrew Morris50 Lars Lind51 Erik Ingelsson51 Laura N. Anderson52 Craig E. Pennell53 Stephen J. Lye52 Stephen G. Matthews54 Joel Eriksson55 Dan Mellstrom55 Claes Ohlsson55 Jackie F. Price26 Mark WJ Strachan21 Rebecca M. Reynolds21 Henning Tiemeier24,56,57 Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium (PGC) Stephan Ripke58,59,60 Manuel Mattheisen61,62,63 Abdel Abdellaoui64 Mark J. Adams65 Esben Agerbo66,8,67 Tracy M. Air68 Till FM Andlauer69,70 Silviu-Alin Bacanu71 Marie Bækvad-Hansen67,72 Aartjan TF Beekman43 David A. Bennett73 Klaus Berger74 Tim B. Bigdeli71,11 Jonas Bybjerg-Grauholm67,72 Enda M. Byrne5 Na Cai75 Enrique Castelao76 Toni-Kim Clarke65 Jonathan RI Coleman77 Converge Consortium78 Nick Craddock79 Udo Dannlowski80,81 Gareth Davies82 Gail Davies83 Eco. J. C. de Geus64,84 Philip De Jager85 Ian J. Deary83 Franziska Degenhardt12,13 Erin C. Dunn86,87,88 Erik A. Ehli82 Thalia C. Eley77 Valentina Escott-Price89 Tõnu Esko58,90,91,92 Hilary K. Finucane93,94 Michael Gill95 Scott D. Gordon96 Jakob Grove61,62,67,97 Lynsey S. Hall65,98 Thomas F. Hansen99,100 Christine Søholm Hansen67,72 Thomas F. Hansen101 Andrew C. Heath102 Anjali K. Henders5 Stefan Herms12,13,15 Per Hoffman

Published
2017

42. Size matters; but so does what you do with it! Response

Author

Schmaal, L., Veltman, D. J., van Erp, T. G. M., Saemann, P. G., Frodl, T., Jahanshad, N., Loehrer, E., Vernooij, M. W., Niessen, W. J., Ikram, M. A., Wittfeld, K., Grabe, H. J., Block, A., Hegenscheid, K., Hoehn, D., Czisch, M., Lagopoulos, J., Hatton, S. N., Hickie, I. B., Goya-Maldonado, R., Kraemer, B., Gruber, O., Couvy-Duchesne, B., Renteria, M. E., Strike, L. T., Wright, M. J., de Zubicaray, G. I., McMahon, K. L., Medland, S. E., Gillespie, N. A., Hall, G. B., van Velzen, L. S., van Tol, M-J, van der Wee, N. J., Veer, I. M., Walter, H., Schramm, E., Normann, C., Schoepf, D., Konrad, C., Zurowski, B., McIntosh, A. M., Whalley, H. C., Sussmann, J. E., Godlewska, B. R., Fischer, F. H., Penninx, B. W. J. H., Thompson, P. M., Hibar, D. P., Psychiatry, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, and Anatomy and neurosciences

Published
2016

43. Response to: Size matters; but so does what you do with it!

Author

Schmaal, L., Veltman, D.J., van Erp, T. G. M., Saemann, P. G., Frodl, T., Jahanshad, N., Loehrer, E., Vernooij, M. W., Niessen, W. J., Ikram, M. A., Wittfeld, K., Grabe, H. J., Block, A., Hegenscheid, K., Hoehn, D., Czisch, M., Lagopoulos, J., Hatton, S. N., Hickie, I. B., Goya-Maldonado, R., Kraemer, B., Gruber, O., Couvy-Duchesne, B., Renteria, M. E., Strike, L. T., Wright, M. J., de Zubicaray, G. I., McMahon, K. L., Medland, S. E., Gillespie, N. A., Hall, G B, van Velzen, L. S., van Tol, M-J., van der Wee, N. J., Veer, I. M., Walter, H., Schramm, E., Normann, C., Schoepf, D., Konrad, C., Zurowski, B., McIntosh, A. M., Whalley, H. C., Sussmann, J. E., Godlewska, B. R., Fischer, F. H., Penninx, B. W. J. H., Thompson, P. M., Hibar, D. P., Interdisciplinary Centre Psychopathology and Emotion regulation (ICPE), and Clinical Cognitive Neuropsychiatry Research Program (CCNP)

Subjects
MAJOR DEPRESSIVE DISORDER, HISTORY, EARLY-ONSET, ANXIETY
Published
2016

44. Genome-wide association study of lifetime cannabis use based on a large meta-analytic sample of 32 330 subjects from the International Cannabis Consortium

Author

Stringer, S, Minică, C C, Verweij, K J H, Mbarek, H, Bernard, M, Derringer, J, van Eijk, K R, Isen, J D, Loukola, A, Maciejewski, Dominique F., Mihailov, E, van der Most, P J, Sánchez-Mora, C, Roos, L, Sherva, R, Walters, R, Ware, J J, Abdellaoui, A, Bigdeli, T B, Branje, S J T, Brown, S A, Bruinenberg, M, Casas, M, Esko, T, Garcia-Martinez, I, Gordon, S D, Harris, J M, Hartman, C A, Henders, A K, Heath, A C, Hickie, I B, Hickman, M, Hopfer, C J, Hottenga, J J, Huizink, A C, Irons, D E, Kahn, R S, Korhonen, T, Kranzler, H R, Krauter, K, van Lier, P A C, Lubke, G H, Madden, P A F, Mägi, R, McGue, M K, Medland, S E, Meeus, W H J, Miller, M B, Montgomery, G W, Nivard, M G, Nolte, I M, Oldehinkel, A J, Pausova, Z, Qaiser, B, Quaye, L, Ramos-Quiroga, J A, Richarte, V, Rose, R J, Shin, J, Stallings, M C, Stiby, A I, Wall, T L, Wright, M J, Koot, H M, Paus, T, Hewitt, J K, Ribasés, M, Kaprio, J, Boks, M P, Snieder, H, Spector, T, Munafò, M R, Metspalu, A, Gelernter, J, Boomsma, D I, Iacono, W G, Martin, N G, Gillespie, N A, Derks, E M, Vink, J M, Adolescent development: Characteristics and determinants, Afd culturele antropologie, Leerstoel Branje, Leerstoel Meeus, Sub Biomol.Mass Spectrometry & Proteom., and Sub High energy Astrophysics begr 1/1/15

Abstract

Cannabis is the most widely produced and consumed illicit psychoactive substance worldwide. Occasional cannabis use can progress to frequent use, abuse and dependence with all known adverse physical, psychological and social consequences. Individual differences in cannabis initiation are heritable (40-48%). The International Cannabis Consortium was established with the aim to identify genetic risk variants of cannabis use. We conducted a meta-analysis of genome-wide association data of 13 cohorts (N=32 330) and four replication samples (N=5627). In addition, we performed a gene-based test of association, estimated single-nucleotide polymorphism (SNP)-based heritability and explored the genetic correlation between lifetime cannabis use and cigarette use using LD score regression. No individual SNPs reached genome-wide significance. Nonetheless, gene-based tests identified four genes significantly associated with lifetime cannabis use: NCAM1, CADM2, SCOC and KCNT2. Previous studies reported associations of NCAM1 with cigarette smoking and other substance use, and those of CADM2 with body mass index, processing speed and autism disorders, which are phenotypes previously reported to be associated with cannabis use. Furthermore, we showed that, combined across the genome, all common SNPs explained 13-20% (P

Published
2016

45. Widespread white matter microstructural differences in schizophrenia across 4322 individuals: results from the ENIGMA Schizophrenia DTI Working Group

Author

Kelly, S, primary, Jahanshad, N, additional, Zalesky, A, additional, Kochunov, P, additional, Agartz, I, additional, Alloza, C, additional, Andreassen, O A, additional, Arango, C, additional, Banaj, N, additional, Bouix, S, additional, Bousman, C A, additional, Brouwer, R M, additional, Bruggemann, J, additional, Bustillo, J, additional, Cahn, W, additional, Calhoun, V, additional, Cannon, D, additional, Carr, V, additional, Catts, S, additional, Chen, J, additional, Chen, J-x, additional, Chen, X, additional, Chiapponi, C, additional, Cho, Kl K, additional, Ciullo, V, additional, Corvin, A S, additional, Crespo-Facorro, B, additional, Cropley, V, additional, De Rossi, P, additional, Diaz-Caneja, C M, additional, Dickie, E W, additional, Ehrlich, S, additional, Fan, F-m, additional, Faskowitz, J, additional, Fatouros-Bergman, H, additional, Flyckt, L, additional, Ford, J M, additional, Fouche, J-P, additional, Fukunaga, M, additional, Gill, M, additional, Glahn, D C, additional, Gollub, R, additional, Goudzwaard, E D, additional, Guo, H, additional, Gur, R E, additional, Gur, R C, additional, Gurholt, T P, additional, Hashimoto, R, additional, Hatton, S N, additional, Henskens, F A, additional, Hibar, D P, additional, Hickie, I B, additional, Hong, L E, additional, Horacek, J, additional, Howells, F M, additional, Hulshoff Pol, H E, additional, Hyde, C L, additional, Isaev, D, additional, Jablensky, A, additional, Jansen, P R, additional, Janssen, J, additional, Jönsson, E G, additional, Jung, L A, additional, Kahn, R S, additional, Kikinis, Z, additional, Liu, K, additional, Klauser, P, additional, Knöchel, C, additional, Kubicki, M, additional, Lagopoulos, J, additional, Langen, C, additional, Lawrie, S, additional, Lenroot, R K, additional, Lim, K O, additional, Lopez-Jaramillo, C, additional, Lyall, A, additional, Magnotta, V, additional, Mandl, R C W, additional, Mathalon, D H, additional, McCarley, R W, additional, McCarthy-Jones, S, additional, McDonald, C, additional, McEwen, S, additional, McIntosh, A, additional, Melicher, T, additional, Mesholam-Gately, R I, additional, Michie, P T, additional, Mowry, B, additional, Mueller, B A, additional, Newell, D T, additional, O'Donnell, P, additional, Oertel-Knöchel, V, additional, Oestreich, L, additional, Paciga, S A, additional, Pantelis, C, additional, Pasternak, O, additional, Pearlson, G, additional, Pellicano, G R, additional, Pereira, A, additional, Pineda Zapata, J, additional, Piras, F, additional, Potkin, S G, additional, Preda, A, additional, Rasser, P E, additional, Roalf, D R, additional, Roiz, R, additional, Roos, A, additional, Rotenberg, D, additional, Satterthwaite, T D, additional, Savadjiev, P, additional, Schall, U, additional, Scott, R J, additional, Seal, M L, additional, Seidman, L J, additional, Shannon Weickert, C, additional, Whelan, C D, additional, Shenton, M E, additional, Kwon, J S, additional, Spalletta, G, additional, Spaniel, F, additional, Sprooten, E, additional, Stäblein, M, additional, Stein, D J, additional, Sundram, S, additional, Tan, Y, additional, Tan, S, additional, Tang, S, additional, Temmingh, H S, additional, Westlye, L T, additional, Tønnesen, S, additional, Tordesillas-Gutierrez, D, additional, Doan, N T, additional, Vaidya, J, additional, van Haren, N E M, additional, Vargas, C D, additional, Vecchio, D, additional, Velakoulis, D, additional, Voineskos, A, additional, Voyvodic, J Q, additional, Wang, Z, additional, Wan, P, additional, Wei, D, additional, Weickert, T W, additional, Whalley, H, additional, White, T, additional, Whitford, T J, additional, Wojcik, J D, additional, Xiang, H, additional, Xie, Z, additional, Yamamori, H, additional, Yang, F, additional, Yao, N, additional, Zhang, G, additional, Zhao, J, additional, van Erp, T G M, additional, Turner, J, additional, Thompson, P M, additional, and Donohoe, G, additional

Published
2017
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48. The association between lower educational attainment and depression owing to shared genetic effects? Results in ∼25 000 subjects: Results in ~25,000 subjects

Author

Peyrot, W. J., Lee, S. H., Milaneschi, Y., Abdellaoui, A., Byrne, E. M., Esko, T., de Geus, E. J. C., Hemani, G., Hottenga, J. J., Kloiber, S., Levinson, D. F., Lucae, S., Martin, N. G., Medland, S. E., Metspalu, A., Milani, L., Noethen, M. M., Potash, J. B., Rietschel, M., Rietveld, C. A., Ripke, S., Shi, J., Willemsen, G., Zhu, Z., Boomsma, D. I., Wray, N. R., Penninx, B. W. J. H., Lewis, C. M., Hamilton, S. P., Weissman, M. M., Breen, G., Blackwood, D. H., Cichon, S., Heath, A. C., Holsboer, F., Madden, Pamela A., McGuffin, P., Muglia, P., Pergadia, M. L., Lin, D., Müller-Myhsok, B., Steinberg, S., Grabe, H. J., Lichtenstein, P., Magnusson, P., Perlis, R. H., Preisig, M., Smoller, J. W., Stefansson, K., Uher, R., Kutalik, Z., Tansey, K. E., Teumer, A., Viktorin, A., Barnes, M. R., Bettecken, T., Binder, E. B., Breuer, R., Castro, V. M., Churchill, S. E., Coryell, W. H., Craddock, N., Craig, I. W., Czamara, D., Degenhardt, F., Farmer, A. E., Fava, M., Frank, J., Gainer, V. S., Gallagher, P. J., Gordon, S. D., Goryachev, S., Gross, M., Guipponi, M., Henders, A. K., Herms, S., Hickie, I. B., Hoefels, S., Hoogendijk, W., Iosifescu, D. V., Ising, M., Jones, I., Jones, L., Jung-Ying, T., Knowles, J. A., Kohane, I. S., Kohli, M. A., Korszun, A., Landen, M., Lawson, W. B., Lewis, G., Macintyre, D., Maier, W., Mattheisen, M., McGrath, P. J., McIntosh, A., McLean, A., Middeldorp, C. M., Middleton, L., Montgomery, G. M., Murphy, S. N., Nauck, M., Nolen, W. A., Nyholt, Dale R., O'Donovan, M., Oskarsson, H., Pedersen, N., Scheftner, W. A., Schulz, A., Schulze, T. G., Shyn, S. I., Sigurdsson, E., Slager, S. L., Smit, J. H., Stefansson, H., Steffens, M., Thorgeirsson, T., Tozzi, F., Treutlein, J., Uhr, M., van den Oord, E. J., van Grootheest, G., Völzke, H., Weilburg, J. B., Zitman, F. G., Neale, B., Daly, M., Sullivan, P. F., Agrawal, Arpana, Albrecht, Eva, Z Alizadeh, Behrooz, Allik, J. ri, Amin, Najaf, Attia, John R., Bandinelli, Stefania, Barnard, John, Bastardot, Franois, e Baumeister, Sebastian, Beauchamp, Jonathan, Benjamin, Daniel J., Benke, Kelly S., Bennett, David A., Berger, Klaus, Bielak, Lawrence F., Bierut, Laura J., Boatman, Jeffrey A., Boyle, Patricia A., Bültmann, Ute, Campbell, Harry, Cesarini, David, Chabris, Christopher F., Cherkas, Lynn, Chung, Mina K., Conley, Dalton, Cucca, Francesco, Davey-Smith, George, Davies, Gail, de Andrade, Mariza, de Jager, Philip L., de Leeuw, Christiaan, de Neve, Jan-Emmanuel, Deary, Ian J., Dedoussis, George V., Deloukas, Panos, Derringer, Jaime, Dimitriou, Maria, Eiriksdottir, Gudny, Eklund, Niina, Elderson, Martin F., Eriksson, Johan G., Evans, Daniel S., Evans, David M., Faul, Jessica D., Fehrmann, Rudolf, Ferrucci, Luigi, Fischer, Krista, Franke, Lude, Garcia, Melissa E., Gieger, Christian, Gjessing, Hkon K., Groenen, Patrick J. F., Grönberg, Henrik, Gudnason, Vilmundur, Hägg, Sara, Hall, Per, Harris, Jennifer R., Harris, Juliette M., Harris, Tamara B., Hastie, Nicholas D., Hayward, Caroline, Hernandez, Dena G., Hoffmann, Wolgang, Hofman, Adriaan, Hofman, Albert, Holle, Rolf, Holliday, Elizabeth G., Holzapfel, Christina, Iacono, William G., Ibrahim-Verbaas, Carla A., Illig, Thomas, Ingelsson, Erik, Jacobsson, Bo, Järvelin, Marjo-Riitta, Jhun, Min A., Johannesson, Magnus, Joshi, Peter K., Jugessur, Astanand, Kaakinen, Marika, Kähönen, Mika, Kanoni, Stavroula, Kaprio, Jaakkko, Kardia, Sharon L. R., Karjalainen, Juha, Kirkpatrick, Robert M., Koellinger, Philipp D., Kolcic, Ivana, Kowgier, Matthew, Kristiansson, Kati, Krueger, Robert F., Kutalik, Z. ltan, Lahti, Jari, Laibson, David, Latvala, Antti, Launer, Lenore J., Lawlor, Debbie A., Lethimäki, Terho, Li, Jingmei, Lichtenstein, Paul, Lichtner, Peter K., Liewald, David C., Lin, Peng, Lind, Penelope A., Liu, Yongmei, Lohman, Kurt, Loitfelder, Marisa, Magnusson, Patrick K. E., Mäkinen, Tomi E., Vidal, Pedro Marques, Martin, Nicolas W., Masala, Marco, McGue, Matt, McMahon, George, Meirelles, Osorio, Meyer, Michelle N., Mielck, Andreas, Miller, Michael B., Montgomery, Grant W., Mukherjee, Sutapa, Myhre, Ronny, Nuotio, Marja-Liisa, J Oldmeadow, Christopher, Oostra, Ben A., Palmer, Lyle J., Palotie, Aarno, Perola, Markus, Petrovic, Katja E., Peyser, Patricia A., Polašek, Ozren, Posthuma, Danielle, Preisig, Martin, Quaye, Lydia, Räikkönen, Katri, Raitakari, Olli T., Realo, Anu, Reinmaa, Eva, Rice, John P., Ring, Susan M., Ripatti, Samuli, Rivadeneira, Fernando, Rizzi, Thais S., Rudan, Igor, Rustichini, Aldo, Salomaa, Veikko, Sarin, Antti-Pekka, Schlessinger, David, Schmidt, Helena, Schmidt, Reinhold, Scott, Rodney J., Shakhbazov, Konstantin, Smith, Albert V., Smith, Jennifer A., Snieder, Harold, St Pourcain, Beate, Starr, John M., Sul, Jae Hoon, Surakka, Ida, Svento, Rauli, Tanaka, Toshiko, Terracciano, Antonio, Teumer, Alexander, Thurik, A. Roy, Tiemeier, Henning, Timpson, Nicholas J., Uitterlinden, André G., van der Loos, Matthijs J. H. M., van Duijn, Cornelia M., van Rooij, Frank J. A., van Wagoner, David R., Vartiainen, Erkki, Viikari, Jorma, Visscher, Peter M., Vitart, Veronique, Vollenweider, Peter K., Völzke, Henry, Vonk, Judith M., Waeber, G. rard, Weir, David R., Wellmann, J. rgen, Westra, Harm-Jan, Wichmann, H. Erich, Widen, Elisabeth, Wilson, James F., Wright, Alan F., Yang, Jian, Yu, Lei, Zhao, Wei, and Academic Medical Center

Subjects
Adult, Male, Psychiatric Status Rating Scales, Likelihood Functions, Genotype, Estonia/epidemiology, Netherlands/epidemiology, Depressive Disorder, Major/epidemiology, Middle Aged, Polymorphism, Single Nucleotide/genetics, Cohort Studies, Odds Ratio, Educational Status, Humans, Regression Analysis, Female, Gene-Environment Interaction, Genetic Association Studies, Aged
Abstract

An association between lower educational attainment (EA) and an increased risk for depression has been confirmed in various western countries. This study examines whether pleiotropic genetic effects contribute to this association. Therefore, data were analyzed from a total of 9662 major depressive disorder (MDD) cases and 14 949 controls (with no lifetime MDD diagnosis) from the Psychiatric Genomics Consortium with additional Dutch and Estonian data. The association of EA and MDD was assessed with logistic regression in 15 138 individuals indicating a significantly negative association in our sample with an odds ratio for MDD 0.78 (0.75-0.82) per standard deviation increase in EA. With data of 884 105 autosomal common single-nucleotide polymorphisms (SNPs), three methods were applied to test for pleiotropy between MDD and EA: (i) genetic profile risk scores (GPRS) derived from training data for EA (independent meta-analysis on ∼120 000 subjects) and MDD (using a 10-fold leave-one-out procedure in the current sample), (ii) bivariate genomic-relationship-matrix restricted maximum likelihood (GREML) and (iii) SNP effect concordance analysis (SECA). With these methods, we found (i) that the EA-GPRS did not predict MDD status, and MDD-GPRS did not predict EA, (ii) a weak negative genetic correlation with bivariate GREML analyses, but this correlation was not consistently significant, (iii) no evidence for concordance of MDD and EA SNP effects with SECA analysis. To conclude, our study confirms an association of lower EA and MDD risk, but this association was not because of measurable pleiotropic genetic effects, which suggests that environmental factors could be involved, for example, socioeconomic status.

Published
2015

49. Neuropsychological and Functional Outcomes in Recent-Onset Major Depression, Bipolar Disorder and Schizophrenia-Spectrum Disorders: A Longitudinal Cohort Study

Author

Lee, R. S.C., Hermens, D. F., Naismith, S. L., Lagopoulos, J., Jones, A., Scott, J., Chitty, K. M., White, D., Robillard, R., Scott, E. M., and Hickie, I. B.

Abstract

Functional disability is the lead contributor to burden of mental illness. Cognitive deficits frequently limit functional recovery, although whether changes in cognition and disability are longitudinally associated in recent-onset individuals remains unclear. Using a prospective, cohort design, 311 patients were recruited and assessed at baseline. One hundred and sixty-seven patients met eligibility criteria (M=21.5 years old, s.d.=4.8) and returned for follow-up (M=20.6 months later, s.d.=7.8). Two-hundred and thirty participants were included in the final analysis, comprising clinically stable patients with major depression (n=71), bipolar disorder (BD; n=61), schizophrenia-spectrum disorders (n=35) and 63 healthy controls. Neuropsychological functioning and self-rated functional disability were examined using mixed-design, repeated-measures analysis, across diagnoses and cognitive clusters, covarying for relevant confounds. Clinical, neuropsychological and functional changes did not differ between diagnoses (all P>0.05). Three reliable neuropsychological subgroups emerged through cluster analysis, characterized by psychomotor slowing, improved sustained attention, and improved verbal memory. Controlling for diagnosis and changes in residual symptoms, clusters with improved neuropsychological functioning observed greater reductions in functional disability than the psychomotor slowing cluster, which instead demonstrated a worsening in disability (P

Published
2015

50. Genome-wide association study of lifetime cannabis use based on a large meta-analytic sample of 32330 subjects from the International Cannabis Consortium

Author

University of Helsinki, Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Clinicum, Stringer, S., Minica, C. C., Verweij, K. J. H., Mbarek, H., Bernard, M., Derringer, J., van Eijk, K. R., Isen, J. D., Loukola, A., Maciejewski, D. F., Mihailov, E., van der Most, P. J., Sanchez-Mora, C., Roos, L., Sherva, R., Walters, R., Ware, J. J., Abdellaoui, A., Bigdeli, T. B., Branje, S. J. T., Brown, S. A., Bruinenberg, M., Casas, M., Esko, T., Garcia-Martinez, I., Gordon, S. D., Harris, J. M., Hartman, C. A., Henders, A. K., Heath, A. C., Hickie, I. B., Hickman, M., Hopfer, C. J., Hottenga, J. J., Huizink, A. C., Irons, D. E., Kahn, R. S., Korhonen, T., Kranzler, H. R., Krauter, K., van Lier, P. A. C., Lubke, G. H., Madden, P. A. F., Magi, R., McGue, M. K., Medland, S. E., Meeus, W. H. J., Miller, M. B., Montgomery, G. W., Nivard, M. G., Nolte, I. M., Oldehinkel, A. J., Pausova, Z., Qaiser, B., Quaye, L., Ramos-Quiroga, J. A., Richarte, V., Rose, R. J., Shin, J., Stallings, M. C., Stiby, A. I., Wall, T. L., Wright, M. J., Koot, H. M., Paus, T., Hewitt, J. K., Ribases, M., Kaprio, J., Boks, M. P., Snieder, H., Spector, T., Munafo, M. R., Metspalu, A., Gelernter, J., Boomsma, D. I., Iacono, W. G., Martin, N. G., Gillespie, N. A., Derks, E. M., Vink, J. M., University of Helsinki, Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Clinicum, Stringer, S., Minica, C. C., Verweij, K. J. H., Mbarek, H., Bernard, M., Derringer, J., van Eijk, K. R., Isen, J. D., Loukola, A., Maciejewski, D. F., Mihailov, E., van der Most, P. J., Sanchez-Mora, C., Roos, L., Sherva, R., Walters, R., Ware, J. J., Abdellaoui, A., Bigdeli, T. B., Branje, S. J. T., Brown, S. A., Bruinenberg, M., Casas, M., Esko, T., Garcia-Martinez, I., Gordon, S. D., Harris, J. M., Hartman, C. A., Henders, A. K., Heath, A. C., Hickie, I. B., Hickman, M., Hopfer, C. J., Hottenga, J. J., Huizink, A. C., Irons, D. E., Kahn, R. S., Korhonen, T., Kranzler, H. R., Krauter, K., van Lier, P. A. C., Lubke, G. H., Madden, P. A. F., Magi, R., McGue, M. K., Medland, S. E., Meeus, W. H. J., Miller, M. B., Montgomery, G. W., Nivard, M. G., Nolte, I. M., Oldehinkel, A. J., Pausova, Z., Qaiser, B., Quaye, L., Ramos-Quiroga, J. A., Richarte, V., Rose, R. J., Shin, J., Stallings, M. C., Stiby, A. I., Wall, T. L., Wright, M. J., Koot, H. M., Paus, T., Hewitt, J. K., Ribases, M., Kaprio, J., Boks, M. P., Snieder, H., Spector, T., Munafo, M. R., Metspalu, A., Gelernter, J., Boomsma, D. I., Iacono, W. G., Martin, N. G., Gillespie, N. A., Derks, E. M., and Vink, J. M.

Abstract

Cannabis is the most widely produced and consumed illicit psychoactive substance worldwide. Occasional cannabis use can progress to frequent use, abuse and dependence with all known adverse physical, psychological and social consequences. Individual differences in cannabis initiation are heritable (40-48%). The International Cannabis Consortium was established with the aim to identify genetic risk variants of cannabis use. We conducted a meta-analysis of genome-wide association data of 13 cohorts (N = 32 330) and four replication samples (N = 5627). In addition, we performed a gene-based test of association, estimated single-nucleotide polymorphism (SNP)-based heritability and explored the genetic correlation between lifetime cannabis use and cigarette use using LD score regression. No individual SNPs reached genome-wide significance. Nonetheless, gene-based tests identified four genes significantly associated with lifetime cannabis use: NCAM1, CADM2, SCOC and KCNT2. Previous studies reported associations of NCAM1 with cigarette smoking and other substance use, and those of CADM2 with body mass index, processing speed and autism disorders, which are phenotypes previously reported to be associated with cannabis use.

Published
2016

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