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35 results on '"Borrmann-Hassenbach M"'

1. Genome-wide association study of borderline personality disorder reveals genetic overlap with bipolar disorder, major depression and schizophrenia.

Author

Witt, SH, Streit, F, Jungkunz, M, Frank, J, Awasthi, S, Reinbold, CS, Treutlein, J, Degenhardt, F, Forstner, AJ, Heilmann-Heimbach, S, Dietl, L, Schwarze, CE, Schendel, D, Strohmaier, J, Abdellaoui, A, Adolfsson, R, Air, TM, Akil, H, Alda, M, Alliey-Rodriguez, N, Andreassen, OA, Babadjanova, G, Bass, NJ, Bauer, M, Baune, BT, Bellivier, F, Bergen, S, Bethell, A, Biernacka, JM, Blackwood, DHR, Boks, MP, Boomsma, DI, Børglum, AD, Borrmann-Hassenbach, M, Brennan, P, Budde, M, Buttenschøn, HN, Byrne, EM, Cervantes, P, Clarke, T-K, Craddock, N, Cruceanu, C, Curtis, D, Czerski, PM, Dannlowski, U, Davis, T, de Geus, EJC, Di Florio, A, Djurovic, S, Domenici, E, Edenberg, HJ, Etain, B, Fischer, SB, Forty, L, Fraser, C, Frye, MA, Fullerton, JM, Gade, K, Gershon, ES, Giegling, I, Gordon, SD, Gordon-Smith, K, Grabe, HJ, Green, EK, Greenwood, TA, Grigoroiu-Serbanescu, M, Guzman-Parra, J, Hall, LS, Hamshere, M, Hauser, J, Hautzinger, M, Heilbronner, U, Herms, S, Hitturlingappa, S, Hoffmann, P, Holmans, P, Hottenga, J-J, Jamain, S, Jones, I, Jones, LA, Juréus, A, Kahn, RS, Kammerer-Ciernioch, J, Kirov, G, Kittel-Schneider, S, Kloiber, S, Knott, SV, Kogevinas, M, Landén, M, Leber, M, Leboyer, M, Li, QS, Lissowska, J, Lucae, S, Martin, NG, Mayoral-Cleries, F, McElroy, SL, McIntosh, AM, McKay, JD, and McQuillin, A

Subjects
Bipolar Disorders Working Group of the Psychiatric Genomics Consortium, Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium, Schizophrenia Working Group of the Psychiatric Genomics Consortium, Humans, Genetic Predisposition to Disease, Case-Control Studies, Bipolar Disorder, Depressive Disorder, Major, Borderline Personality Disorder, Schizophrenia, Genotype, Multifactorial Inheritance, Adolescent, Adult, Aged, Middle Aged, Female, Male, Genome-Wide Association Study, Young Adult, Depressive Disorder, Major, Clinical Sciences, Public Health and Health Services, Psychology
Abstract

Borderline personality disorder (BOR) is determined by environmental and genetic factors, and characterized by affective instability and impulsivity, diagnostic symptoms also observed in manic phases of bipolar disorder (BIP). Up to 20% of BIP patients show comorbidity with BOR. This report describes the first case-control genome-wide association study (GWAS) of BOR, performed in one of the largest BOR patient samples worldwide. The focus of our analysis was (i) to detect genes and gene sets involved in BOR and (ii) to investigate the genetic overlap with BIP. As there is considerable genetic overlap between BIP, major depression (MDD) and schizophrenia (SCZ) and a high comorbidity of BOR and MDD, we also analyzed the genetic overlap of BOR with SCZ and MDD. GWAS, gene-based tests and gene-set analyses were performed in 998 BOR patients and 1545 controls. Linkage disequilibrium score regression was used to detect the genetic overlap between BOR and these disorders. Single marker analysis revealed no significant association after correction for multiple testing. Gene-based analysis yielded two significant genes: DPYD (P=4.42 × 10-7) and PKP4 (P=8.67 × 10-7); and gene-set analysis yielded a significant finding for exocytosis (GO:0006887, PFDR=0.019; FDR, false discovery rate). Prior studies have implicated DPYD, PKP4 and exocytosis in BIP and SCZ. The most notable finding of the present study was the genetic overlap of BOR with BIP (rg=0.28 [P=2.99 × 10-3]), SCZ (rg=0.34 [P=4.37 × 10-5]) and MDD (rg=0.57 [P=1.04 × 10-3]). We believe our study is the first to demonstrate that BOR overlaps with BIP, MDD and SCZ on the genetic level. Whether this is confined to transdiagnostic clinical symptoms should be examined in future studies.

Published
2017

4. Genome-wide scan for genes involved in bipolar affective disorder in 70 European families ascertained through a bipolar type I early-onset proband: supportive evidence for linkage at 3p14

Author

Etain, B, Mathieu, F, Rietschel, M, Maier, W, Albus, M, McKeon, P, Roche, S, Kealey, C, Blackwood, D, Muir, W, Bellivier, F, Henry, C, Dina, C, Gallina, S, Gurling, H, Malafosse, A, Preisig, M, Ferrero, F, Cichon, S, Schumacher, J, Ohlraun, S, Borrmann-Hassenbach, M, Propping, P, Abou Jamra, R, Schulze, T G, Marusic, A, Dernovsek, Z M, Giros, B, Bourgeron, T, Lemainque, A, Bacq, D, Betard, C, Charon, C, Nöthen, M M, Lathrop, M, and Leboyer, M

Published
2006
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8. Exome sequencing of multiply affected bipolar disorder families and follow-up resequencing implicate rare variants in neuronal genes contributing to disease etiology

Author

Maaser, A., Strohmaier, J., Ludwig, K. U., Degenhardt, F., Streit, F., Schenk, L. M., Koller, A. C., Fischer, S. B., Thiele, H., Nuernberg, P., Guzman-Parra, J., Orozco Diaz, G., Auburger, G., Albus, M., Borrmann-Hassenbach, M., Jose Gonzalez, M., Gil Flores, S., Cabaleiro Fabeiro, F. J., del Rio Noriega, F., Perez Perez, F., Haro Gonzalez, J., Rivas, F., Mayoral, F., Herms, S., Hoffmann, P., Cichon, S., Rietschel, M., Noethen, M. M., Forstner, A. J., Maaser, A., Strohmaier, J., Ludwig, K. U., Degenhardt, F., Streit, F., Schenk, L. M., Koller, A. C., Fischer, S. B., Thiele, H., Nuernberg, P., Guzman-Parra, J., Orozco Diaz, G., Auburger, G., Albus, M., Borrmann-Hassenbach, M., Jose Gonzalez, M., Gil Flores, S., Cabaleiro Fabeiro, F. J., del Rio Noriega, F., Perez Perez, F., Haro Gonzalez, J., Rivas, F., Mayoral, F., Herms, S., Hoffmann, P., Cichon, S., Rietschel, M., Noethen, M. M., and Forstner, A. J.

Published
2018

9. Applying polygenic risk scoring for psychiatric disorders to a large family with bipolar disorder and major depressive disorder

Author

de Jong, S, Abdalla Diniz, MJ, Saloma, A, Gadelha, A, Santoro, ML, Ota, VK, Noto, C, Curtis, C, Newhouse, SJ, Patel, H, Hall, LS, O'Reilly, PF, Belangero, S, Bressan, RA, Breen, G, Wray, NR, Ripke, S, Mattheisen, M, Trzaskowski, M, Byrne, EM, Abdellaoui, A, Adams, MJ, Agerbo, E, Air, TM, Andlauer, TFM, Bacanu, S-A, Baekvad-Hansen, M, Beekman, ATF, Bigdeli, TB, Binder, EB, Blackwood, DHR, Bryois, J, Buttenschon, HN, Bybjerg-Grauholm, J, Cai, N, Castelao, E, Christensen, JH, Clarke, T-K, Coleman, JR, Colodro-Conde, L, Couvy-Duchesne, B, Craddock, N, Crawford, GE, Davies, G, Deary, IJ, Degenhardt, F, Derks, EM, Direk, N, Dolan, C, Dunn, EC, Eley, TC, Escott-Price, V, Kiadeh, FFH, Finucane, HK, Forstner, AJ, Frank, J, Gaspar, HA, Gill, M, Goes, FS, Gordon, SD, Grove, J, Hansen, CS, Hansen, TF, Herms, S, Hickie, IB, Hoffmann, P, Homuth, G, Horn, C, Hottenga, J-J, Hougaard, DM, Ising, M, Jansen, R, Jones, I, Jones, LA, Jorgenson, E, Knowles, JA, Kohane, IS, Kraft, J, Kretzschmar, WW, Krogh, J, Kutalik, Z, Li, Y, Lind, PA, MacIntyre, DJ, MacKinnon, DF, Maier, RM, Maier, W, Marchini, J, Mbarek, H, Mcgrath, P, Mcguffin, P, Medland, SE, Mehta, D, Middeldorp, CM, Mihailov, E, Milaneschi, Y, Milani, L, Mondimore, FM, Montgomery, GW, Mostafavi, S, Mullins, N, Nauck, M, Ng, B, Nivard, MG, Nyholt, DR, Oskarsson, H, Owen, MJ, Painter, JN, Pedersen, CB, Pedersen, MG, Peterson, RE, Pettersson, E, Peyrot, WJ, Pistis, G, Posthuma, D, Quiroz, JA, Qvist, P, Rice, JP, Riley, BP, Rivera, M, Mirza, SS, Schoevers, R, Schulte, EC, Shen, L, Shyn, S, Sigurdsson, E, Sinnamon, GCB, Smit, JH, Smith, DJ, Stefansson, H, Steinberg, S, Streit, F, Strohmaier, J, Tansey, KE, Teismann, H, Teumer, A, Thompson, W, Thomson, PA, Thorgeirsson, TE, Traylor, M, Treutlein, J, Trubetskoy, V, Uitterlinden, AG, Umbricht, D, Van der Auwera, S, van Hemert, AM, Viktorin, A, Visscher, PM, Wang, Y, Webb, BT, Weinsheimer, SM, Wellmann, J, Willemsen, G, Witt, SH, Wu, Y, Xi, HS, Yang, J, Zhang, F, Arolt, V, Baune, BT, Berger, K, Boomsma, D, Cichon, S, Dannlowski, U, de Geus, EJC, DePaulo, JR, Domenici, E, Domschke, K, Esko, T, Grabe, HJ, Hamilton, SP, Hayward, C, Heath, AC, Kendler, KS, Kloiber, S, Lewis, G, Li, QS, Lucae, S, Madden, PAF, Magnusson, PK, Martin, NG, McIntosh, AM, Metspalu, A, Mors, O, Mortensen, PB, Mueller-Myhsok, B, Nordentoft, M, Noethen, MM, O'Donovan, MC, Paciga, SA, Pedersen, NL, Penninx, BWJH, Perlis, RH, Porteous, DJ, Potash, JB, Preisig, M, Rietschel, M, Schaefer, C, Schulze, TG, Smoller, JW, Stefansson, K, Tiemeier, H, Uher, R, Voelzke, H, Weissman, MM, Werge, T, Lewis, CM, Levinson, DF, Borglum, AD, Sullivan, PF, Meier, S, Strauss, J, Xu, W, Vincent, JB, Matthews, K, Ferreira, M, O'Dushlaine, C, Purcell, S, Raychaudhuri, S, Ruderfer, DM, Sklar, P, Scott, LJ, Flickinger, M, Burmeister, M, Li, J, Guan, W, Absher, D, Thompson, RC, Meng, FG, Schatzberg, AF, Bunney, WE, Barchas, JD, Watson, SJ, Myers, RM, Akil, H, Boehnke, M, Chambert, K, Moran, J, Scolnick, E, Djurovic, S, Melle, I, Morken, G, Corvin, A, Anjorin, A, Kandaswamy, R, Lawrence, J, McLean, AW, Pickard, BS, Bergen, SE, Nimgaonkar, V, Landen, M, Schalling, M, Osby, U, Backlund, L, Frisen, L, Langstrom, N, Stahl, E, Dobbyn, A, Jamain, S, Etain, B, Bellivier, F, Leber, M, Maaser, A, Fischer, SB, Reinbold, CS, Kittel-Schneider, S, Fullerton, JM, Oruc, L, Para, JG, Mayoral, F, Rivas, F, Czerski, PM, Kammerer-Ciernioch, J, Vedder, H, Borrmann-Hassenbach, M, Pfennig, A, Brennan, P, McKay, JD, Kogevinas, M, Schwarz, M, Schofield, PR, Muehleisen, TW, Schumacher, J, Bauer, M, Wright, A, Mitchell, PB, Hautzinger, M, Kelsoe, JR, Greenwood, TA, Nievergelt, CM, Shilling, PD, Smith, EN, Bloss, CS, Edenberg, HJ, Koller, DL, Gershon, ES, Liu, C, Badner, JA, Scheftner, WA, Lawson, WB, Nwulia, EA, Hipolito, M, Coryell, W, Rice, J, Byerley, W, McMahon, FJ, Lohoff, FW, Zandi, PP, Mahon, PB, McInnis, MG, Zollner, S, Zhang, P, Szelinger, S, St Clair, D, Caesar, S, Gordon-Smith, K, Fraser, C, Green, EK, Grozeva, D, Hamshere, ML, Kirov, G, Nikolov, I, Collier, DA, Elkin, A, Williamson, R, Young, AH, Ferrier, IN, Milanova, V, Alda, M, Cervantes, P, Cruceanu, C, Rouleau, GA, Turecki, G, Paciga, S, Winslow, AR, Grigoroiu-Serbanescu, M, Ophoff, R, Adolfsson, R, Adolfsson, AN, Del-Favero, J, Pato, C, Biernacka, JM, Frye, MA, Morris, D, Schork, NJ, Reif, A, Lissowska, J, Hauser, J, Szeszenia-Dabrowska, N, McGhee, K, Quinn, E, Moskvina, V, Holmans, PA, Farmer, A, Kennedy, JL, Andreassen, OA, Mattingsdal, M, Bass, NJ, Gurling, H, McQuillin, A, Breuer, R, Hultman, C, Lichtenstein, P, Huckins, LM, Leboyer, M, Lathrop, M, Nurnberger, J, Steffens, M, Foroud, TM, Berrettini, WH, Craig, DW, Shi, J, de Jong, S, Abdalla Diniz, MJ, Saloma, A, Gadelha, A, Santoro, ML, Ota, VK, Noto, C, Curtis, C, Newhouse, SJ, Patel, H, Hall, LS, O'Reilly, PF, Belangero, S, Bressan, RA, Breen, G, Wray, NR, Ripke, S, Mattheisen, M, Trzaskowski, M, Byrne, EM, Abdellaoui, A, Adams, MJ, Agerbo, E, Air, TM, Andlauer, TFM, Bacanu, S-A, Baekvad-Hansen, M, Beekman, ATF, Bigdeli, TB, Binder, EB, Blackwood, DHR, Bryois, J, Buttenschon, HN, Bybjerg-Grauholm, J, Cai, N, Castelao, E, Christensen, JH, Clarke, T-K, Coleman, JR, Colodro-Conde, L, Couvy-Duchesne, B, Craddock, N, Crawford, GE, Davies, G, Deary, IJ, Degenhardt, F, Derks, EM, Direk, N, Dolan, C, Dunn, EC, Eley, TC, Escott-Price, V, Kiadeh, FFH, Finucane, HK, Forstner, AJ, Frank, J, Gaspar, HA, Gill, M, Goes, FS, Gordon, SD, Grove, J, Hansen, CS, Hansen, TF, Herms, S, Hickie, IB, Hoffmann, P, Homuth, G, Horn, C, Hottenga, J-J, Hougaard, DM, Ising, M, Jansen, R, Jones, I, Jones, LA, Jorgenson, E, Knowles, JA, Kohane, IS, Kraft, J, Kretzschmar, WW, Krogh, J, Kutalik, Z, Li, Y, Lind, PA, MacIntyre, DJ, MacKinnon, DF, Maier, RM, Maier, W, Marchini, J, Mbarek, H, Mcgrath, P, Mcguffin, P, Medland, SE, Mehta, D, Middeldorp, CM, Mihailov, E, Milaneschi, Y, Milani, L, Mondimore, FM, Montgomery, GW, Mostafavi, S, Mullins, N, Nauck, M, Ng, B, Nivard, MG, Nyholt, DR, Oskarsson, H, Owen, MJ, Painter, JN, Pedersen, CB, Pedersen, MG, Peterson, RE, Pettersson, E, Peyrot, WJ, Pistis, G, Posthuma, D, Quiroz, JA, Qvist, P, Rice, JP, Riley, BP, Rivera, M, Mirza, SS, Schoevers, R, Schulte, EC, Shen, L, Shyn, S, Sigurdsson, E, Sinnamon, GCB, Smit, JH, Smith, DJ, Stefansson, H, Steinberg, S, Streit, F, Strohmaier, J, Tansey, KE, Teismann, H, Teumer, A, Thompson, W, Thomson, PA, Thorgeirsson, TE, Traylor, M, Treutlein, J, Trubetskoy, V, Uitterlinden, AG, Umbricht, D, Van der Auwera, S, van Hemert, AM, Viktorin, A, Visscher, PM, Wang, Y, Webb, BT, Weinsheimer, SM, Wellmann, J, Willemsen, G, Witt, SH, Wu, Y, Xi, HS, Yang, J, Zhang, F, Arolt, V, Baune, BT, Berger, K, Boomsma, D, Cichon, S, Dannlowski, U, de Geus, EJC, DePaulo, JR, Domenici, E, Domschke, K, Esko, T, Grabe, HJ, Hamilton, SP, Hayward, C, Heath, AC, Kendler, KS, Kloiber, S, Lewis, G, Li, QS, Lucae, S, Madden, PAF, Magnusson, PK, Martin, NG, McIntosh, AM, Metspalu, A, Mors, O, Mortensen, PB, Mueller-Myhsok, B, Nordentoft, M, Noethen, MM, O'Donovan, MC, Paciga, SA, Pedersen, NL, Penninx, BWJH, Perlis, RH, Porteous, DJ, Potash, JB, Preisig, M, Rietschel, M, Schaefer, C, Schulze, TG, Smoller, JW, Stefansson, K, Tiemeier, H, Uher, R, Voelzke, H, Weissman, MM, Werge, T, Lewis, CM, Levinson, DF, Borglum, AD, Sullivan, PF, Meier, S, Strauss, J, Xu, W, Vincent, JB, Matthews, K, Ferreira, M, O'Dushlaine, C, Purcell, S, Raychaudhuri, S, Ruderfer, DM, Sklar, P, Scott, LJ, Flickinger, M, Burmeister, M, Li, J, Guan, W, Absher, D, Thompson, RC, Meng, FG, Schatzberg, AF, Bunney, WE, Barchas, JD, Watson, SJ, Myers, RM, Akil, H, Boehnke, M, Chambert, K, Moran, J, Scolnick, E, Djurovic, S, Melle, I, Morken, G, Corvin, A, Anjorin, A, Kandaswamy, R, Lawrence, J, McLean, AW, Pickard, BS, Bergen, SE, Nimgaonkar, V, Landen, M, Schalling, M, Osby, U, Backlund, L, Frisen, L, Langstrom, N, Stahl, E, Dobbyn, A, Jamain, S, Etain, B, Bellivier, F, Leber, M, Maaser, A, Fischer, SB, Reinbold, CS, Kittel-Schneider, S, Fullerton, JM, Oruc, L, Para, JG, Mayoral, F, Rivas, F, Czerski, PM, Kammerer-Ciernioch, J, Vedder, H, Borrmann-Hassenbach, M, Pfennig, A, Brennan, P, McKay, JD, Kogevinas, M, Schwarz, M, Schofield, PR, Muehleisen, TW, Schumacher, J, Bauer, M, Wright, A, Mitchell, PB, Hautzinger, M, Kelsoe, JR, Greenwood, TA, Nievergelt, CM, Shilling, PD, Smith, EN, Bloss, CS, Edenberg, HJ, Koller, DL, Gershon, ES, Liu, C, Badner, JA, Scheftner, WA, Lawson, WB, Nwulia, EA, Hipolito, M, Coryell, W, Rice, J, Byerley, W, McMahon, FJ, Lohoff, FW, Zandi, PP, Mahon, PB, McInnis, MG, Zollner, S, Zhang, P, Szelinger, S, St Clair, D, Caesar, S, Gordon-Smith, K, Fraser, C, Green, EK, Grozeva, D, Hamshere, ML, Kirov, G, Nikolov, I, Collier, DA, Elkin, A, Williamson, R, Young, AH, Ferrier, IN, Milanova, V, Alda, M, Cervantes, P, Cruceanu, C, Rouleau, GA, Turecki, G, Paciga, S, Winslow, AR, Grigoroiu-Serbanescu, M, Ophoff, R, Adolfsson, R, Adolfsson, AN, Del-Favero, J, Pato, C, Biernacka, JM, Frye, MA, Morris, D, Schork, NJ, Reif, A, Lissowska, J, Hauser, J, Szeszenia-Dabrowska, N, McGhee, K, Quinn, E, Moskvina, V, Holmans, PA, Farmer, A, Kennedy, JL, Andreassen, OA, Mattingsdal, M, Bass, NJ, Gurling, H, McQuillin, A, Breuer, R, Hultman, C, Lichtenstein, P, Huckins, LM, Leboyer, M, Lathrop, M, Nurnberger, J, Steffens, M, Foroud, TM, Berrettini, WH, Craig, DW, and Shi, J

Abstract

Psychiatric disorders are thought to have a complex genetic pathology consisting of interplay of common and rare variation. Traditionally, pedigrees are used to shed light on the latter only, while here we discuss the application of polygenic risk scores to also highlight patterns of common genetic risk. We analyze polygenic risk scores for psychiatric disorders in a large pedigree (n ~ 260) in which 30% of family members suffer from major depressive disorder or bipolar disorder. Studying patterns of assortative mating and anticipation, it appears increased polygenic risk is contributed by affected individuals who married into the family, resulting in an increasing genetic risk over generations. This may explain the observation of anticipation in mood disorders, whereby onset is earlier and the severity increases over the generations of a family. Joint analyses of rare and common variation may be a powerful way to understand the familial genetics of psychiatric disorders.

Published
2018

10. Genome-wide association study of borderline personality disorder reveals genetic overlap with bipolar disorder, major depression and schizophrenia

Author

Witt, S. H., Streit, F., Jungkunz, M., Frank, J., Awasthi, S., Reinbold, C. S., Treutlein, J., Degenhardt, F., Forstner, A. J., Heilmann-Heimbach, S., Dietl, L., Schwarze, C. E., Schendel, D., Strohmaier, J., Abdellaoui, A., Adolfsson, Rolf, Air, T. M., Akil, H., Alda, M., Alliey-Rodriguez, N., Andreassen, O. A., Babadjanova, G., Bass, N. J., Bauer, M., Baune, B. T., Bellivier, F., Bergen, S., Bethell, A., Biernacka, J. M., Blackwood, D. H. R., Boks, M. P., Boomsma, D. I., Borglum, A. D., Borrmann-Hassenbach, M., Brennan, P., Budde, M., Buttenschon, H. N., Byrne, E. M., Cervantes, P., Clarke, T-K, Craddock, N., Cruceanu, C., Curtis, D., Czerski, P. M., Dannlowski, U., Davis, T., de Geus, E. J. C., Di Florio, A., Djurovic, S., Domenici, E., Edenberg, H. J., Etain, B., Fischer, S. B., Forty, L., Fraser, C., Frye, M. A., Fullerton, J. M., Gade, K., Gershon, E. S., Giegling, I., Gordon, S. D., Gordon-Smith, K., Grabe, H. J., Green, E. K., Greenwood, T. A., Grigoroiu-Serbanescu, M., Guzman-Parra, J., Hall, L. S., Hamshere, M., Hauser, J., Hautzinger, M., Heilbronner, U., Herms, S., Hitturlingappa, S., Hoffmann, P., Holmans, P., Hottenga, J-J, Jamain, S., Jones, I., Jones, L. A., Jureus, A., Kahn, R. S., Kammerer-Ciernioch, J., Kirov, G., Kittel-Schneider, S., Kloiber, S., Knott, S. V., Kogevinas, M., Landen, M., Leber, M., Leboyer, M., Li, Q. S., Lissowska, J., Lucae, S., Martin, N. G., Mayoral-Cleries, F., McElroy, S. L., McIntosh, A. M., McKay, J. D., McQuillin, A., Medland, S. E., Middeldorp, C. M., Milaneschi, Y., Mitchell, P. B., Montgomery, G. W., Morken, G., Mors, O., Muehleisen, T. W., Mueller-Myhsok, B., Myers, R. M., Nievergelt, C. M., Nurnberger, J. I., O'Donovan, M. C., Loohuis, L. M. O., Ophoff, R., Oruc, L., Owen, M. J., Paciga, S. A., Penninx, B. W. J. H., Perry, A., Pfennig, A., Potash, J. B., Preisig, M., Reif, A., Rivas, F., Rouleau, G. A., Schofield, P. R., Schulze, T. G., Schwarz, M., Scott, L., Sinnamon, G. C. B., Stahl, E. A., Strauss, J., Turecki, G., Van der Auwera, S., Vedder, H., Vincent, J. B., Willemsen, G., Witt, C. C., Wray, N. R., Xi, H. S., Tadic, A., Dahmen, N., Schott, B. H., Cichon, S., Noethen, M. M., Ripke, S., Mobascher, A., Rujescu, D., Lieb, K., Roepke, S., Schmahl, C., Bohus, M., Rietschel, M., Witt, S. H., Streit, F., Jungkunz, M., Frank, J., Awasthi, S., Reinbold, C. S., Treutlein, J., Degenhardt, F., Forstner, A. J., Heilmann-Heimbach, S., Dietl, L., Schwarze, C. E., Schendel, D., Strohmaier, J., Abdellaoui, A., Adolfsson, Rolf, Air, T. M., Akil, H., Alda, M., Alliey-Rodriguez, N., Andreassen, O. A., Babadjanova, G., Bass, N. J., Bauer, M., Baune, B. T., Bellivier, F., Bergen, S., Bethell, A., Biernacka, J. M., Blackwood, D. H. R., Boks, M. P., Boomsma, D. I., Borglum, A. D., Borrmann-Hassenbach, M., Brennan, P., Budde, M., Buttenschon, H. N., Byrne, E. M., Cervantes, P., Clarke, T-K, Craddock, N., Cruceanu, C., Curtis, D., Czerski, P. M., Dannlowski, U., Davis, T., de Geus, E. J. C., Di Florio, A., Djurovic, S., Domenici, E., Edenberg, H. J., Etain, B., Fischer, S. B., Forty, L., Fraser, C., Frye, M. A., Fullerton, J. M., Gade, K., Gershon, E. S., Giegling, I., Gordon, S. D., Gordon-Smith, K., Grabe, H. J., Green, E. K., Greenwood, T. A., Grigoroiu-Serbanescu, M., Guzman-Parra, J., Hall, L. S., Hamshere, M., Hauser, J., Hautzinger, M., Heilbronner, U., Herms, S., Hitturlingappa, S., Hoffmann, P., Holmans, P., Hottenga, J-J, Jamain, S., Jones, I., Jones, L. A., Jureus, A., Kahn, R. S., Kammerer-Ciernioch, J., Kirov, G., Kittel-Schneider, S., Kloiber, S., Knott, S. V., Kogevinas, M., Landen, M., Leber, M., Leboyer, M., Li, Q. S., Lissowska, J., Lucae, S., Martin, N. G., Mayoral-Cleries, F., McElroy, S. L., McIntosh, A. M., McKay, J. D., McQuillin, A., Medland, S. E., Middeldorp, C. M., Milaneschi, Y., Mitchell, P. B., Montgomery, G. W., Morken, G., Mors, O., Muehleisen, T. W., Mueller-Myhsok, B., Myers, R. M., Nievergelt, C. M., Nurnberger, J. I., O'Donovan, M. C., Loohuis, L. M. O., Ophoff, R., Oruc, L., Owen, M. J., Paciga, S. A., Penninx, B. W. J. H., Perry, A., Pfennig, A., Potash, J. B., Preisig, M., Reif, A., Rivas, F., Rouleau, G. A., Schofield, P. R., Schulze, T. G., Schwarz, M., Scott, L., Sinnamon, G. C. B., Stahl, E. A., Strauss, J., Turecki, G., Van der Auwera, S., Vedder, H., Vincent, J. B., Willemsen, G., Witt, C. C., Wray, N. R., Xi, H. S., Tadic, A., Dahmen, N., Schott, B. H., Cichon, S., Noethen, M. M., Ripke, S., Mobascher, A., Rujescu, D., Lieb, K., Roepke, S., Schmahl, C., Bohus, M., and Rietschel, M.

Abstract

Borderline personality disorder (BOR) is determined by environmental and genetic factors, and characterized by affective instability and impulsivity, diagnostic symptoms also observed in manic phases of bipolar disorder (BIP). Up to 20% of BIP patients show comorbidity with BOR. This report describes the first case–control genome-wide association study (GWAS) of BOR, performed in one of the largest BOR patient samples worldwide. The focus of our analysis was (i) to detect genes and gene sets involved in BOR and (ii) to investigate the genetic overlap with BIP. As there is considerable genetic overlap between BIP, major depression (MDD) and schizophrenia (SCZ) and a high comorbidity of BOR and MDD, we also analyzed the genetic overlap of BOR with SCZ and MDD. GWAS, gene-based tests and gene-set analyses were performed in 998 BOR patients and 1545 controls. Linkage disequilibrium score regression was used to detect the genetic overlap between BOR and these disorders. Single marker analysis revealed no significant association after correction for multiple testing. Gene-based analysis yielded two significant genes: DPYD (P=4.42 × 10−7) and PKP4 (P=8.67 × 10−7); and gene-set analysis yielded a significant finding for exocytosis (GO:0006887, PFDR=0.019; FDR, false discovery rate). Prior studies have implicated DPYD, PKP4 and exocytosis in BIP and SCZ. The most notable finding of the present study was the genetic overlap of BOR with BIP (rg=0.28 [P=2.99 × 10−3]), SCZ (rg=0.34 [P=4.37 × 10−5]) and MDD (rg=0.57 [P=1.04 × 10−3]). We believe our study is the first to demonstrate that BOR overlaps with BIP, MDD and SCZ on the genetic level. Whether this is confined to transdiagnostic clinical symptoms should be examined in future studies.

Published
2017
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13. Serotonin transporter promoter (5-httlpr) and intron 2 (vntr-2) polymorphisms: relationship between allelic variants and gene expression in schizophrenic patients

Author

Štefulj, Jasminka, Hranilović, Dubravka, Schwab, S., Borrmann-Hassenbach, M., Albus, M., Wildenauer, D., Jernej, Branimir, and Zurak, N.

Subjects
serotonin transporter, gene polymorphism, gene expression, intron, promoter, mental disorders
Abstract

Serotonin transporter (5-hydroxytryptamine transporter, 5HTt) plays a central role in regulation of 5HT synaptic function and represents an interesting candidate for association studies in neuropsychiatric disorders. Two polymorphic regions of the 5HTt gene, which seem to modulate its transcription in allele-dependent manner, have been identified: 44 bp insertion/deletion in the promoter region (5-HTTLPR), and 17 bp variable number of tandem repeats in second intron of the gene (VNTR-2). In this study, separate and combined effects of VNTR-2 and 5-HTTLPR on the rate of peripheral 5HTt transcription were investigated in a sample of offspring from the families, multiply affected by schizophrenia, in which association with 5HTt gene has been previously demonstrated. Relative 5HTt mRNA levels were determined in 53 permanent lymphoblast cell lines by semi-quantitative real time PCR, using beta-actin as a reference. Since the low expressing alleles (S and 10) appeared to act in a dominant manner, genotypes were grouped as "high expressing" (LL, 1212) vs. "low expressing" (S, 10). At both loci, differences in 5HTt mRNA levels, of about 30%, between "high" and "low" expressing genotypes were indicative but non-significant. In order to search for potential combined effect of 5-HTTLPR and VNTR-2, levels of 5HTt mRNA were compared among three groups of samples having "low expressing" genotype at none, one or both loci. Increase in the number of "low expressing" genotypes significantly reduced relative 5HTt gene expression (p=0.0158). Our results indicate weak individual influence, but possible combined effect of 5-HTTLPR and VNTR-2 polymorphisms on 5HTt gene expression.

Published
2003

14. Association of dopamine D3-receptor gene variants with neuroleptic induced akathisia in schizophrenic patients - A generalization of Steen's study on DRD3 and tardive dyskinesia

Author

Eichhammer, P, Albus, M, Borrmann-Hassenbach, M, Schoeler, A, Putzhammer, A, Frick, Ulrich, Klein, H E, Rohrmeier, T, University of Zurich, and Eichhammer, P

Subjects
2716 Genetics (clinical), 2738 Psychiatry and Mental Health, 2804 Cellular and Molecular Neuroscience, 610 Medicine & health, 10075 Swiss Research Institute for Public Health and Addiction
Published
2000

16. P.6.063 COMT haplotypes in schizophrenia

Author

Sand, P., primary, Eichhammer, P., additional, Putzhammer, A., additional, Albus, M., additional, Wildenauer, D., additional, Borrmann-Hassenbach, M., additional, Schwab, S., additional, Dallinger, P., additional, Langguth, B., additional, and Hajak, G., additional

Published
2003
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18. Association of dopamine D3-receptor gene variants with neuroleptic induced akathisia in schizophrenic patients: A generalization of Steen's study on <TOGGLE>DRD3</TOGGLE> and tardive dyskinesia

Author

Eichhammer, P., Albus, M., Borrmann-Hassenbach, M., Schoeler, A., Putzhammer, A., Frick, U., Klein, H.E., and Rohrmeier, T.

Abstract

Neuroleptic induced akathisia is a common and distressful extrapyramidal side effect of antipsychotic treatment. A significant proportion of the variability of its development has been left unexplained and has to be attributed to individual susceptibility. Since hereditary factors have been discussed in the etiology of acute akathisia (AA), part of the individual susceptibility might be of genetic origin. Moreover, AA is regarded as a forerunner of tardive dyskinesia, a drug-induced chronic movement disorder, which may be associated with homozygosity for the Ser9Gly variant of the DRD3 gene. Considering expression studies, which demonstrated functional variants of DRD3 polymorphisms, we investigated whether homozygosity for the Ser9Gly variant of the DRD3 gene is associated with AA. Homozygosity for the Ser9Gly variant of the DRD3 gene was connected to an 88% incidence of AA as compared with a considerably lower 46.9% incidence of AA in schizophrenic patients nonhomozygous for the 2-2 allele (exact P = 0.0223). Am. J. Med. Genet. (Neuropsychiatr. Genet.) 96:187–191, 2000. © 2000 Wiley-Liss, Inc.

Published
2000
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19. Applying polygenic risk scoring for psychiatric disorders to a large family with bipolar disorder and major depressive disorder.

Author

de Jong, S., Abdalla Diniz, M.J., Saloma, A., Gadelha, A., Santoro, M.L., Ota, V.K., Noto, C., Curtis, C., Newhouse, S.J., Patel, H., Hall, L.S., O'Reilly, P.F., Belangero, S.I., Bressan, R.A., Breen, G., Wray, N.R., Ripke, S., Mattheisen, M., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Adams, M.J., Agerbo, E., Air, T.M., Andlauer, T.F.M., Bacanu, S-A., Baekvad-Hansen, M., Beekman, A.T.F., Bigdeli, T.B., Binder, E.B., Blackwood, D.H.R., Bryois, J., Buttenschon, H.N., Bybjerg-Grauholm, J., Cai, N., Castelao, E., Christensen, J.H., Clarke, T-K., Coleman, J.R.I., Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Crawford, G.E., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, F.F.H., Finucane, H.K., Forstner, A.J., Franklin, J., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Grove, J., Hansen, C.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J-J., Hougaard, D.M., Ising, M., Jansen, R., Jones, I., Jones, L.A., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W.W., Krogh, J., Kutalik, Z., Li, Y., Lind, P.A., MacIntyre, D.J., MacKinnon, D.F., Maier, R.M., Maier, W., Marchini, J., Mbarek, H., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., Oskarsson, H., Owen, M.J., Painter, J.N., Pedersen, C.B., Pedersen, M.G., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Qvist, P., Rice, J.P., Riley, B.P., Rivera, M., Mirza, S.S., Schoevers, R., Schulte, E.C., Shen, L., Shyn, S.I., Sigurdsson, E., Sinnamon, G.C.B., Smit, J.H., Smith, D.J., Stefansson, H., Steinberg, S., Streit, F., Strohmaier, J., Tansey, K.E., Teismann, H., Teumer, A., Thompson, W., Thomson, P.A., Thorgeirsson, T.E., Traylor, M., Treutlein, J., Trubetskoy, V., Uitterlinden, A.G., Umbricht, D., Van der Auwera, S., van Hemert, A.M., Viktorin, A., Visscher, P.M., Wang, Y., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Witt, S.H., Wu, Y., Xi, H.S., Yang, J., Zhang, F., Arolt, V., Baune, B.T., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., de Geus, E.J.C., DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Hayward, C., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.S., Lucae, S., Madden, P.A.F., Magnusson, P.K., Martin, N.G., McIntosh, A.M., Metspalu, A., Mors, O., Mortensen, P.B., Mueller-Myhsok, B., Nordentoft, M., Noethen, M.M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, B.W.J.H., Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Rietschel, M., Schaefer, C., Schulze, T.G., Smoller, J.W., Stefansson, K., Tiemeier, H., Uher, R., Voelzke, H., Weissman, M.M., Werge, T., Lewis, C.M., Levinson, D.F., Borglum, A.D., Sullivan, P.F., Meier, S., Strauss, J., Xu, W., Vincent, J.B., Matthews, K., Ferreira, M., O'Dushlaine, C., Purcell, S., Raychaudhuri, S., Ruderfer, D.M., Sklar, P., Scott, L.J., Flickinger, M., Burmeister, M., Li, J., Guan, W., Absher, D., Thompson, R.C., Meng, F.G., Schatzberg, A.F., Bunney, W.E., Barchas, J.D., Watson, S.J., Myers, R.M., Akil, H., Boehnke, M., Chambert, K., Moran, J., Scolnick, E., Djurovic, S., Melle, I., Morken, G, Corvin, A., Anjorin, A., Kandaswamy, R., Lawrence, J., McLean, A.W., Pickard, B.S., Bergen, S.E., Nimgaonkar, V., Landen, M., Schalling, M., Osby, U., Backlund, L., Frisen, L., Langstrom, N., Stahl, E., Dobbyn, A., Jamain, S., Etain, B., Bellivier, F., Leber, M., Maaser, A., Fischer, S.B., Reinbold, C.S., Kittel-Schneider, S., Fullerton, J.M., Oruc, L., Para, J.G., Mayoral, F., Rivas, F., Czerski, P.M., Kammerer-Ciernioch, J., Vedder, H., Borrmann-Hassenbach, M., Pfennig, A., Brennan, P., McKay, J.D., Kogevinas, M., Schwarz, M., Schofield, P.R., Muehleisen, T.W., Schumacher, J., Bauer, M., Wright, A., Mitchell, P.B., Hautzinger, M., Kelsoe, J.R., Greenwood, T.A., Nievergelt, C.M., Shilling, P.D., Smith, E.N., Bloss, C.S., Edenberg, H.J., Koller, D.L., Gershon, E.S., Liu, C., Badner, J.A., Scheftner, W.A., Lawson, W.B., Nwulia, E.A., Hipolito, M., Coryell, W., Rice, J., Byerley, W., McMahon, F.J., Lohoff, F.W., Zandi, P.P., Mahon, P.B., McInnis, M.G., Zollner, S., Zhang, P., Szelinger, S., St Clair, D., Caesar, S., Gordon-Smith, K., Fraser, C., Green, E.K., Grozeva, D., Hamshere, M.L., Kirov, G., Nikolov, I., Collier, D.A., Elkin, A., Williamson, R., Young, A.H., Ferrier, I.N., Milanova, V., Alda, M., Cervantes, P., Cruceanu, C., Rouleau, G.A., Turecki, G., Paciga, S., Winslow, A.R., Grigoroiu-Serbanescu, M., Ophoff, R., Adolfsson, R., Adolfsson, A.N., Del-Favero, J., Pato, C., Biernacka, J.M., Frye, M.A., Morris, D., Schork, N.J., Reif, A., Lissowska, J., Hauser, J., Szeszenia-Dabrowska, N., McGhee, Kevin, Quinn, E., Moskvina, V., Holmans, P.A., Farmer, A., Kennedy, J.L., Andreassen, O.A., Mattingsdal, M., Bass, N.J., Gurling, H., McQuillin, A., Breuer, R., Hultman, C., Lichtenstein, P., Huckins, L.M., Leboyer, M., Lathrop, M., Nurnberger, J., Steffens, M., Foroud, T.M., Berrettini, W.H., Craig, D.W., Shi, J., de Jong, S., Abdalla Diniz, M.J., Saloma, A., Gadelha, A., Santoro, M.L., Ota, V.K., Noto, C., Curtis, C., Newhouse, S.J., Patel, H., Hall, L.S., O'Reilly, P.F., Belangero, S.I., Bressan, R.A., Breen, G., Wray, N.R., Ripke, S., Mattheisen, M., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Adams, M.J., Agerbo, E., Air, T.M., Andlauer, T.F.M., Bacanu, S-A., Baekvad-Hansen, M., Beekman, A.T.F., Bigdeli, T.B., Binder, E.B., Blackwood, D.H.R., Bryois, J., Buttenschon, H.N., Bybjerg-Grauholm, J., Cai, N., Castelao, E., Christensen, J.H., Clarke, T-K., Coleman, J.R.I., Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Crawford, G.E., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, F.F.H., Finucane, H.K., Forstner, A.J., Franklin, J., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Grove, J., Hansen, C.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J-J., Hougaard, D.M., Ising, M., Jansen, R., Jones, I., Jones, L.A., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W.W., Krogh, J., Kutalik, Z., Li, Y., Lind, P.A., MacIntyre, D.J., MacKinnon, D.F., Maier, R.M., Maier, W., Marchini, J., Mbarek, H., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., Oskarsson, H., Owen, M.J., Painter, J.N., Pedersen, C.B., Pedersen, M.G., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Qvist, P., Rice, J.P., Riley, B.P., Rivera, M., Mirza, S.S., Schoevers, R., Schulte, E.C., Shen, L., Shyn, S.I., Sigurdsson, E., Sinnamon, G.C.B., Smit, J.H., Smith, D.J., Stefansson, H., Steinberg, S., Streit, F., Strohmaier, J., Tansey, K.E., Teismann, H., Teumer, A., Thompson, W., Thomson, P.A., Thorgeirsson, T.E., Traylor, M., Treutlein, J., Trubetskoy, V., Uitterlinden, A.G., Umbricht, D., Van der Auwera, S., van Hemert, A.M., Viktorin, A., Visscher, P.M., Wang, Y., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Witt, S.H., Wu, Y., Xi, H.S., Yang, J., Zhang, F., Arolt, V., Baune, B.T., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., de Geus, E.J.C., DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Hayward, C., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.S., Lucae, S., Madden, P.A.F., Magnusson, P.K., Martin, N.G., McIntosh, A.M., Metspalu, A., Mors, O., Mortensen, P.B., Mueller-Myhsok, B., Nordentoft, M., Noethen, M.M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, B.W.J.H., Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Rietschel, M., Schaefer, C., Schulze, T.G., Smoller, J.W., Stefansson, K., Tiemeier, H., Uher, R., Voelzke, H., Weissman, M.M., Werge, T., Lewis, C.M., Levinson, D.F., Borglum, A.D., Sullivan, P.F., Meier, S., Strauss, J., Xu, W., Vincent, J.B., Matthews, K., Ferreira, M., O'Dushlaine, C., Purcell, S., Raychaudhuri, S., Ruderfer, D.M., Sklar, P., Scott, L.J., Flickinger, M., Burmeister, M., Li, J., Guan, W., Absher, D., Thompson, R.C., Meng, F.G., Schatzberg, A.F., Bunney, W.E., Barchas, J.D., Watson, S.J., Myers, R.M., Akil, H., Boehnke, M., Chambert, K., Moran, J., Scolnick, E., Djurovic, S., Melle, I., Morken, G, Corvin, A., Anjorin, A., Kandaswamy, R., Lawrence, J., McLean, A.W., Pickard, B.S., Bergen, S.E., Nimgaonkar, V., Landen, M., Schalling, M., Osby, U., Backlund, L., Frisen, L., Langstrom, N., Stahl, E., Dobbyn, A., Jamain, S., Etain, B., Bellivier, F., Leber, M., Maaser, A., Fischer, S.B., Reinbold, C.S., Kittel-Schneider, S., Fullerton, J.M., Oruc, L., Para, J.G., Mayoral, F., Rivas, F., Czerski, P.M., Kammerer-Ciernioch, J., Vedder, H., Borrmann-Hassenbach, M., Pfennig, A., Brennan, P., McKay, J.D., Kogevinas, M., Schwarz, M., Schofield, P.R., Muehleisen, T.W., Schumacher, J., Bauer, M., Wright, A., Mitchell, P.B., Hautzinger, M., Kelsoe, J.R., Greenwood, T.A., Nievergelt, C.M., Shilling, P.D., Smith, E.N., Bloss, C.S., Edenberg, H.J., Koller, D.L., Gershon, E.S., Liu, C., Badner, J.A., Scheftner, W.A., Lawson, W.B., Nwulia, E.A., Hipolito, M., Coryell, W., Rice, J., Byerley, W., McMahon, F.J., Lohoff, F.W., Zandi, P.P., Mahon, P.B., McInnis, M.G., Zollner, S., Zhang, P., Szelinger, S., St Clair, D., Caesar, S., Gordon-Smith, K., Fraser, C., Green, E.K., Grozeva, D., Hamshere, M.L., Kirov, G., Nikolov, I., Collier, D.A., Elkin, A., Williamson, R., Young, A.H., Ferrier, I.N., Milanova, V., Alda, M., Cervantes, P., Cruceanu, C., Rouleau, G.A., Turecki, G., Paciga, S., Winslow, A.R., Grigoroiu-Serbanescu, M., Ophoff, R., Adolfsson, R., Adolfsson, A.N., Del-Favero, J., Pato, C., Biernacka, J.M., Frye, M.A., Morris, D., Schork, N.J., Reif, A., Lissowska, J., Hauser, J., Szeszenia-Dabrowska, N., McGhee, Kevin, Quinn, E., Moskvina, V., Holmans, P.A., Farmer, A., Kennedy, J.L., Andreassen, O.A., Mattingsdal, M., Bass, N.J., Gurling, H., McQuillin, A., Breuer, R., Hultman, C., Lichtenstein, P., Huckins, L.M., Leboyer, M., Lathrop, M., Nurnberger, J., Steffens, M., Foroud, T.M., Berrettini, W.H., Craig, D.W., and Shi, J.

Abstract

Psychiatric disorders are thought to have a complex genetic pathology consisting of interplay of common and rare variation. Traditionally, pedigrees are used to shed light on the latter only, while here we discuss the application of polygenic risk scores to also highlight patterns of common genetic risk. We analyze polygenic risk scores for psychiatric disorders in a large pedigree (n ~ 260) in which 30% of family members suffer from major depressive disorder or bipolar disorder. Studying patterns of assortative mating and anticipation, it appears increased polygenic risk is contributed by affected individuals who married into the family, resulting in an increasing genetic risk over generations. This may explain the observation of anticipation in mood disorders, whereby onset is earlier and the severity increases over the generations of a family. Joint analyses of rare and common variation may be a powerful way to understand the familial genetics of psychiatric disorders.

20. Applying polygenic risk scoring for psychiatric disorders to a large family with bipolar disorder and major depressive disorder

Author

Peter P. Zandi, Lisa Jones, Aartjan T.F. Beekman, Christine Fraser, Andreas J. Forstner, Nese Direk, Mark Lathrop, Jesper Krogh, Merete Nordentoft, Bradley T. Webb, Yihan Li, Michael Bauer, Qingqin S. Li, Daniel J. Smith, Carsten Horn, Robert C. Thompson, René Breuer, Eli A. Stahl, David A. Collier, Richard Williamson, Boomsma, Dorret, I, Céline S. Reinbold, Laura J. Scott, Manolis Kogevinas, Jacob Lawrence, Caroline Hayward, Nicholas J. Schork, Penelope A. Lind, Wade H. Berrettini, John B. Vincent, Toni-Kim Clarke, Henry Voelzke, Stacy Steinberg, Hreinn Stefansson, Dean F. MacKinnon, Thorgeir E. Thorgeirsson, Niamh Mullins, Esben Agerbo, Rudolf Uher, Christina M. Hultman, Pamela A. F. Madden, Eva C. Schulte, Matthew Flickinger, Sebastian Zöllner, Kenneth S. Kendler, Urban Ösby, Enrique Castelao, Michael John Owen, Colm O'Dushlaine, Jens Treutlein, Joanna Hauser, Markus M. Noethen, Erin N. Smith, James McKay, Sandra Van der Auwera, Erin C. Dunn, Steven P. Hamilton, Martin Schalling, Helmut Vedder, Katherine Gordon-Smith, Fabio Rivas, Matthias Nauck, James B. Potash, Morten Mattingsdal, Ling Shen, Tim B. Bigdeli, Kimberly Chambert, Volker Arolt, Daniel L. Koller, Annelie Nordin Adolfsson, Na Cai, Nicholas G. Martin, Carlos N. Pato, Georg Homuth, Jonas Bybjerg-Grauholm, Alexander Teumer, Wesley K. Thompson, Hamel Patel, Jian Yang, Margit Burmeister, Frank Bellivier, Jodie N. Painter, Enda M. Byrne, Margarita Rivera, Nicholas John Craddock, Tatiana Foroud, Shaun Purcell, Paul D. Shilling, David Craig, Vanessa Kiyomi Ota, Michael Boehnke, Devin Absher, Stéphane Jamain, Anne Farmer, Yunpeng Wang, Ole Mors, William A. Scheftner, Jack D. Barchas, Robert Maier, Stanley J. Watson, Allan H. Young, Baptiste Couvy-Duchesne, Jakob Grove, Rick Jansen, John P. Rice, Gerome Breen, Eske M. Derks, Ingrid Melle, Tiffany A. Greenwood, Manuel Mattheisen, Bernard Ng, Edward M. Scolnick, Stefan Kloiber, Lili Milani, Yuri Milaneschi, Fermín Mayoral, Engilbert Sigurdsson, Sarah E. Medland, Wolfgang Maier, Alan F. Schatzberg, Myrna M. Weissman, Jun Li, John R. Kelsoe, Eric Jorgenson, Grant C.B. Sinnamon, Preben Bo Mortensen, Jana Strohmaier, William Byerley, Michel G. Nivard, Richard M. Myers, Evelin Mihailov, Gustavo Turecki, Benjamin S. Pickard, Ian J. Deary, Bernhard T. Baune, Marian L. Hamshere, Stephanie H. Witt, Patrick F. Sullivan, Jennifer L. Moran, Farnush Farhadi Hassan Kiadeh, Cathryn M. Lewis, Srdjan Djurovic, Ian B. Hickie, Hans J. Grabe, Helena Gaspar, Francis J. McMahon, Catherine Schaefer, Guy A. Rouleau, Sandra Meier, Derek W. Morris, Tõnu Esko, Wouter J. Peyrot, Markus Schwarz, Silviu-Alin Bacanu, Adam Wright, Melvin G. McInnis, Elaine K. Green, Douglas M. Ruderfer, Danielle Posthuma, Franziska Degenhardt, Per Qvist, Henriette N. Buttenschøn, Jolanta Lissowska, Stephan Ripke, Nicholas Bass, Giorgio Pistis, Emma M. Quinn, Shantel Weinsheimer, Howard J. Edenberg, Sintia Iole Belangero, Charles Curtis, Ashley R. Winslow, Tracy M. Air, Johannes H. Smit, Isaac S. Kohane, Wei Xu, Pamela B. Mahon, Neonila Szeszenia-Dabrowska, Gonneke Willemsen, Ivan Nikolov, Sven Cichon, Gregory E. Crawford, David M. Hougaard, E.J.C. de Geus, Klaus Berger, Evaristus A. Nwulia, Fernando S. Goes, Pablo Cervantes, Udo Dannlowski, Rolf Adolfsson, Thomas G. Schulze, Bruno Etain, Mark J. Adams, Thomas Hansen, Hugh Gurling, Fan Guo Meng, Judith A. Badner, Julien Bryois, Mateus Jose Abdalla Diniz, Rodrigo A. Bressan, Radhika Kandaswamy, Josef Frank, I. Nicol Ferrier, Bertram Mueller-Myhsok, Manuel A. R. Ferreira, Marion Leboyer, Futao Zhang, Valentina Moskvina, Patrik K. E. Magnusson, Laura M. Huckins, Douglas Blackwood, Michael Gill, Jianxin Shi, Dale R. Nyholt, Nancy L. Pedersen, André G. Uitterlinden, Henning Tiemeier, Vassily Trubetskoy, Scott D. Gordon, Ian Jones, Grant W. Montgomery, Martin Preisig, Cristiana Cruceanu, Sara A. Paciga, Lena Backlund, Abdel Abdellaoui, Andres Metspalu, Gunnar Morken, Marcus Ising, Sascha B. Fischer, Lilijana Oruc, Sian Caesar, Sarah Kittel-Schneider, Thalia C. Eley, Vihra Milanova, Thomas Werge, Andrew Heath, Katherine E. Tansey, Thomas W. Muehleisen, Jane H. Christensen, Chunyu Liu, Mikael Landén, Douglas F. Levinson, Julia Kraft, Juergen Wellmann, Coleman, Jonathan R., I, Peng Zhang, Glyn Lewis, Henning Teismann, Hamdi Mbarek, Carsten Bøcker Pedersen, Szabolcs Szelinger, Alexander Viktorin, Paul Brennan, Brenda W.J.H. Penninx, Maciej Trzaskowski, Yang Wu, Katharina Domschke, John Strauss, Hilary K. Finucane, Detelina Grozeva, Peter Holmans, Saira Saeed Mirza, Ole A. Andreassen, John I. Nurnberger, Lynsey S Hall, Till F. M. Andlauer, Sara Mostafavi, Andreas Reif, Joanna M. Biernacka, Christine Søholm Hansen, Hualin S. Xi, Stephen Newhouse, William E. Bunney, Andrew M. McIntosh, Anna Maaser, Enrico Domenici, Shyn, Stanley, I, Gail Davies, Warren W. Kretzschmar, Simone de Jong, Lucía Colodro-Conde, Pippa A. Thomson, Francis M. Mondimore, Martin Hautzinger, Cinnamon S. Bloss, Fabian Streit, James L. Kennedy, Erik Pettersson, Peter M. Visscher, Valentina Escott-Price, Donald J. MacIntyre, Johannes Schumacher, Kevin A. McGhee, Divya Mehta, Naomi R. Wray, Robert A. Schoevers, John A. Rice, Jordan W. Smoller, Anders D. Børglum, Susanne Lucae, Jorge A. Quiroz, Daniel Umbricht, Jouke-Jan Hottenga, Kari Stefansson, Marcella Rietschel, Zoltán Kutalik, Sarah E. Bergen, Paul F. O'Reilly, Amanda Dobbyn, Michael Conlon O'Donovan, Falk W. Lohoff, Caroline M. Nievergelt, David J. Porteous, Matthew Traylor, Brien P. Riley, Roy H. Perlis, J. Raymond DePaulo, Martin Alda, James A. Knowles, Cristiano Noto, Keith Matthews, Mark A. Frye, Patrick J. McGrath, Roseann E. Peterson, David St Clair, Roel A. Ophoff, William Coryell, Peter McGuffin, Andiara Calado Saloma Rodrigues, Elliot S. Gershon, Conor V. Dolan, Janice M. Fullerton, Weihua Guan, Niklas Långström, Pamela Sklar, Paul Lichtenstein, Per Hoffmann, Ary Gadelha, Alan W. McLean, Andrew McQuillin, Philip B. Mitchell, Huda Akil, Piotr M. Czerski, Michael Steffens, Hogni Oskarsson, Soumya Raychaudhuri, Marcos L. Santoro, Elisabeth B. Binder, Christel M. Middeldorp, Jose G. Para, Jurgen Del-Favero, Vishwajit L. Nimgaonkar, Peter R. Schofield, Stefan Herms, Marie Bækvad-Hansen, Andrea Pfennig, Albert M. van Hemert, Jutta Kammerer-Ciernioch, Adebayo Anjorin, Sara Paciga, William Lawson, George Kirov, Aiden Corvin, Maria Grigoroiu-Serbanescu, Marianne Giørtz Pedersen, Jonathan Marchini, Markus Leber, Maria Hipolito, Louise Frisén, Margitta Borrmann-Hassenbach, Amanda Elkin, Major Depressive Disorder and Bipolar Disorder Working Groups of the Psychiatric Genomics Consortium, Wray, N.R., Ripke, S., Mattheisen, M., Trzaskowski, M., Byrne, E.M., Abdellaoui, A., Adams, M.J., Agerbo, E., Air, T.M., Andlauer, TFM, Bacanu, S.A., Bækvad-Hansen, M., Beekman, ATF, Bigdeli, T.B., Binder, E.B., Blackwood, DHR, Bryois, J., Buttenschøn, H.N., Bybjerg-Grauholm, J., Cai, N., Castelao, E., Christensen, J.H., Clarke, T.K., Coleman, JRI, Colodro-Conde, L., Couvy-Duchesne, B., Craddock, N., Crawford, G.E., Davies, G., Deary, I.J., Degenhardt, F., Derks, E.M., Direk, N., Dolan, C.V., Dunn, E.C., Eley, T.C., Escott-Price, V., Kiadeh, FFH, Finucane, H.K., Forstner, A.J., Frank, J., Gaspar, H.A., Gill, M., Goes, F.S., Gordon, S.D., Grove, J., Hansen, C.S., Hansen, T.F., Herms, S., Hickie, I.B., Hoffmann, P., Homuth, G., Horn, C., Hottenga, J.J., Hougaard, D.M., Ising, M., Jansen, R., Jones, I., Jones, L.A., Jorgenson, E., Knowles, J.A., Kohane, I.S., Kraft, J., Kretzschmar, W.W., Krogh, J., Kutalik, Z., Li, Y., Lind, P.A., MacIntyre, D.J., MacKinnon, D.F., Maier, R.M., Maier, W., Marchini, J., Mbarek, H., McGrath, P., McGuffin, P., Medland, S.E., Mehta, D., Middeldorp, C.M., Mihailov, E., Milaneschi, Y., Milani, L., Mondimore, F.M., Montgomery, G.W., Mostafavi, S., Mullins, N., Nauck, M., Ng, B., Nivard, M.G., Nyholt, D.R., Oskarsson, H., Owen, M.J., Painter, J.N., Pedersen, C.B., Pedersen, M.G., Peterson, R.E., Pettersson, E., Peyrot, W.J., Pistis, G., Posthuma, D., Quiroz, J.A., Qvist, P., Rice, J.P., Riley, B.P., Rivera, M., Mirza, S.S., Schoevers, R., Schulte, E.C., Shen, L., Shyn, S.I., Sigurdsson, E., Sinnamon, GCB, Smit, J.H., Smith, D.J., Stefansson, H., Steinberg, S., Streit, F., Strohmaier, J., Tansey, K.E., Teismann, H., Teumer, A., Thompson, W., Thomson, P.A., Thorgeirsson, T.E., Traylor, M., Treutlein, J., Trubetskoy, V., Uitterlinden, A.G., Umbricht, D., Van der Auwera, S., van Hemert, A.M., Viktorin, A., Visscher, P.M., Wang, Y., Webb, B.T., Weinsheimer, S.M., Wellmann, J., Willemsen, G., Witt, S.H., Wu, Y., Xi, H.S., Yang, J., Zhang, F., Arolt, V., Baune, B.T., Berger, K., Boomsma, D.I., Cichon, S., Dannlowski, U., de Geus, EJC, DePaulo, J.R., Domenici, E., Domschke, K., Esko, T., Grabe, H.J., Hamilton, S.P., Hayward, C., Heath, A.C., Kendler, K.S., Kloiber, S., Lewis, G., Li, Q.S., Lucae, S., Madden, PAF, Magnusson, P.K., Martin, N.G., McIntosh, A.M., Metspalu, A., Mors, O., Mortensen, P.B., Müller-Myhsok, B., Nordentoft, M., Nöthen, M.M., O'Donovan, M.C., Paciga, S.A., Pedersen, N.L., Penninx, BWJH, Perlis, R.H., Porteous, D.J., Potash, J.B., Preisig, M., Rietschel, M., Schaefer, C., Schulze, T.G., Smoller, J.W., Stefansson, K., Tiemeier, H., Uher, R., Völzke, H., Weissman, M.M., Werge, T., Lewis, C.M., Levinson, D.F., Børglum, A.D., Sullivan, P.F., Meier, S., Strauss, J., Xu, W., Vincent, J.B., Matthews, K., Ferreira, M., O'Dushlaine, C., Purcell, S., Raychaudhuri, S., Ruderfer, D.M., Sklar, P., Scott, L.J., Flickinger, M., Burmeister, M., Li, J., Guan, W., Absher, D., Thompson, R.C., Meng, F.G., Schatzberg, A.F., Bunney, W.E., Barchas, J.D., Watson, S.J., Myers, R.M., Akil, H., Boehnke, M., Chambert, K., Moran, J., Scolnick, E., Djurovic, S., Melle, I., Morken, G., Corvin, A., Anjorin, A., Kandaswamy, R., Lawrence, J., McLean, A.W., Pickard, B.S., Bergen, S.E., Nimgaonkar, V., Landén, M., Schalling, M., Osby, U., Backlund, L., Frisén, L., Langstrom, N., Stahl, E., Dobbyn, A., Jamain, S., Etain, B., Bellivier, F., Leber, M., Maaser, A., Fischer, S.B., Reinbold, C.S., Kittel-Schneider, S., Fullerton, J.M., Oruč, L., Para, J.G., Mayoral, F., Rivas, F., Czerski, P.M., Kammerer-Ciernioch, J., Vedder, H., Borrmann-Hassenbach, M., Pfennig, A., Brennan, P., McKay, J.D., Kogevinas, M., Schwarz, M., Schofield, P.R., Mühleisen, T.W., Schumacher, J., Bauer, M., Wright, A., Mitchell, P.B., Hautzinger, M., Kelsoe, J.R., Greenwood, T.A., Nievergelt, C.M., Shilling, P.D., Smith, E.N., Bloss, C.S., Edenberg, H.J., Koller, D.L., Gershon, E.S., Liu, C., Badner, J.A., Scheftner, W.A., Lawson, W.B., Nwulia, E.A., Hipolito, M., Coryell, W., Rice, J., Byerley, W., McMahon, F.J., Lohoff, F.W., Zandi, P.P., Mahon, P.B., McInnis, M.G., Zöllner, S., Zhang, P., Szelinger, S., St Clair, D., Caesar, S., Gordon-Smith, K., Fraser, C., Green, E.K., Grozeva, D., Hamshere, M.L., Kirov, G., Nikolov, I., Collier, D.A., Elkin, A., Williamson, R., Young, A.H., Ferrier, I.N., Milanova, V., Alda, M., Cervantes, P., Cruceanu, C., Rouleau, G.A., Turecki, G., Paciga, S., Winslow, A.R., Grigoroiu-Serbanescu, M., Ophoff, R., Adolfsson, R., Adolfsson, A.N., Del-Favero, J., Pato, C., Biernacka, J.M., Frye, M.A., Morris, D., Schork, N.J., Reif, A., Lissowska, J., Hauser, J., Szeszenia-Dabrowska, N., McGhee, K., Quinn, E., Moskvina, V., Holmans, P.A., Farmer, A., Kennedy, J.L., Andreassen, O.A., Mattingsdal, M., Bass, N.J., Gurling, H., McQuillin, A., Breuer, R., Hultman, C., Lichtenstein, P., Huckins, L.M., Leboyer, M., Lathrop, M., Nurnberger, J., Steffens, M., Foroud, T.M., Berrettini, W.H., Craig, D.W., Shi, J., Interdisciplinary Centre Psychopathology and Emotion regulation (ICPE), Perceptual and Cognitive Neuroscience (PCN), Clinical Cognitive Neuropsychiatry Research Program (CCNP), Major Depressive Disorder Bipolar, Biological Psychology, Amsterdam Neuroscience - Mood, Anxiety, Psychosis, Stress & Sleep, APH - Methodology, APH - Health Behaviors & Chronic Diseases, APH - Personalized Medicine, Complex Trait Genetics, Amsterdam Neuroscience - Complex Trait Genetics, APH - Mental Health, Pediatric Surgery, Epidemiology, Child and Adolescent Psychiatry / Psychology, Psychiatry, and Internal Medicine

Subjects
Netherlands Twin Register (NTR), 0301 basic medicine, Major Depressive Disorder and Bipolar Disorder Working Groups of the Psychiatric Genomics Consortium, Bipolar Disorder, SAMPLE, Medicine (miscellaneous), Pedigree chart, Disease, 0302 clinical medicine, SCHIZOPHRENIA, 2.1 Biological and endogenous factors, Medicine, Aetiology, ANTICIPATION, lcsh:QH301-705.5, Psychiatry, 0303 health sciences, Depression, ASSOCIATION, Serious Mental Illness, Mental Health, Schizophrenia, Major depressive disorder, General Agricultural and Biological Sciences, Engineering sciences. Technology, medicine.medical_specialty, Context (language use), Article, Psykiatri, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, AGE, SDG 3 - Good Health and Well-being, ddc:570, Behavioral and Social Science, Genetics, PLINK, Genetic Testing, Bipolar disorder, Biology, 030304 developmental biology, business.industry, Prevention, Human Genome, Assortative mating, medicine.disease, Brain Disorders, 030104 developmental biology, Mood, lcsh:Biology (General), Mood disorders, Anticipation (genetics), ONSET, Human medicine, business, 030217 neurology & neurosurgery
Abstract

Psychiatric disorders are thought to have a complex genetic pathology consisting of interplay of common and rare variation. Traditionally, pedigrees are used to shed light on the latter only, while here we discuss the application of polygenic risk scores to also highlight patterns of common genetic risk. We analyze polygenic risk scores for psychiatric disorders in a large pedigree (n ~ 260) in which 30% of family members suffer from major depressive disorder or bipolar disorder. Studying patterns of assortative mating and anticipation, it appears increased polygenic risk is contributed by affected individuals who married into the family, resulting in an increasing genetic risk over generations. This may explain the observation of anticipation in mood disorders, whereby onset is earlier and the severity increases over the generations of a family. Joint analyses of rare and common variation may be a powerful way to understand the familial genetics of psychiatric disorders., Simone de Jong et al. examine the balance of common and rare risk for psychiatric disorders in a large family with high incidence of Bipolar Disorder and Major Depressive Disorder. They find that increased polygenic risk over generations could be partially due to assortative mating, which may explain the observation of anticipation in mood disorders.

Published
2018

21. Genetic and functional analyses implicate microRNA 499A in bipolar disorder development.

Author

Tielke A, Martins H, Pelzl MA, Maaser-Hecker A, David FS, Reinbold CS, Streit F, Sirignano L, Schwarz M, Vedder H, Kammerer-Ciernioch J, Albus M, Borrmann-Hassenbach M, Hautzinger M, Hünten K, Degenhardt F, Fischer SB, Beins EC, Herms S, Hoffmann P, Schulze TG, Witt SH, Rietschel M, Cichon S, Nöthen MM, Schratt G, and Forstner AJ

Subjects
Gene Frequency, Genetic Predisposition to Disease, Genome-Wide Association Study, Humans, Bipolar Disorder genetics, MicroRNAs genetics
Abstract

Bipolar disorder (BD) is a complex mood disorder with a strong genetic component. Recent studies suggest that microRNAs contribute to psychiatric disorder development. In BD, specific candidate microRNAs have been implicated, in particular miR-137, miR-499a, miR-708, miR-1908 and miR-2113. The aim of the present study was to determine the contribution of these five microRNAs to BD development. For this purpose, we performed: (i) gene-based tests of the five microRNA coding genes, using data from a large genome-wide association study of BD; (ii) gene-set analyses of predicted, brain-expressed target genes of the five microRNAs; (iii) resequencing of the five microRNA coding genes in 960 BD patients and 960 controls and (iv) in silico and functional studies for selected variants. Gene-based tests revealed a significant association with BD for MIR499A, MIR708, MIR1908 and MIR2113. Gene-set analyses revealed a significant enrichment of BD associations in the brain-expressed target genes of miR-137 and miR-499a-5p. Resequencing identified 32 distinct rare variants (minor allele frequency < 1%), all of which showed a non-significant numerical overrepresentation in BD patients compared to controls (p = 0.214). Seven rare variants were identified in the predicted stem-loop sequences of MIR499A and MIR2113. These included rs142927919 in MIR2113 (p nom  = 0.331) and rs140486571 in MIR499A (p nom  = 0.297). In silico analyses predicted that rs140486571 might alter the miR-499a secondary structure. Functional analyses showed that rs140486571 significantly affects miR-499a processing and expression. Our results suggest that MIR499A dysregulation might contribute to BD development. Further research is warranted to elucidate the contribution of the MIR499A regulated network to BD susceptibility., (© 2022. The Author(s).)

Published
2022
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22. Whole-exome sequencing of 81 individuals from 27 multiply affected bipolar disorder families.

Author

Forstner AJ, Fischer SB, Schenk LM, Strohmaier J, Maaser-Hecker A, Reinbold CS, Sivalingam S, Hecker J, Streit F, Degenhardt F, Witt SH, Schumacher J, Thiele H, Nürnberg P, Guzman-Parra J, Orozco Diaz G, Auburger G, Albus M, Borrmann-Hassenbach M, González MJ, Gil Flores S, Cabaleiro Fabeiro FJ, Del Río Noriega F, Perez Perez F, Haro González J, Rivas F, Mayoral F, Bauer M, Pfennig A, Reif A, Herms S, Hoffmann P, Pirooznia M, Goes FS, Rietschel M, Nöthen MM, and Cichon S

Subjects
Exome genetics, Genetic Predisposition to Disease, Germany, Humans, Pedigree, Exome Sequencing, Bipolar Disorder genetics, RGS Proteins
Abstract

Bipolar disorder (BD) is a highly heritable neuropsychiatric disease characterized by recurrent episodes of depression and mania. Research suggests that the cumulative impact of common alleles explains 25-38% of phenotypic variance, and that rare variants may contribute to BD susceptibility. To identify rare, high-penetrance susceptibility variants for BD, whole-exome sequencing (WES) was performed in three affected individuals from each of 27 multiply affected families from Spain and Germany. WES identified 378 rare, non-synonymous, and potentially functional variants. These spanned 368 genes, and were carried by all three affected members in at least one family. Eight of the 368 genes harbored rare variants that were implicated in at least two independent families. In an extended segregation analysis involving additional family members, five of these eight genes harbored variants showing full or nearly full cosegregation with BD. These included the brain-expressed genes RGS12 and NCKAP5, which were considered the most promising BD candidates on the basis of independent evidence. Gene enrichment analysis for all 368 genes revealed significant enrichment for four pathways, including genes reported in de novo studies of autism (p adj  < 0.006) and schizophrenia (p adj  = 0.015). These results suggest a possible genetic overlap with BD for autism and schizophrenia at the rare-sequence-variant level. The present study implicates novel candidate genes for BD development, and may contribute to an improved understanding of the biological basis of this common and often devastating disease.

Published
2020
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23. Identification of rare variants in KCTD13 at the schizophrenia risk locus 16p11.2.

Author

Degenhardt F, Heinemann B, Strohmaier J, Pfohl MA, Giegling I, Hofmann A, Ludwig KU, Witt SH, Ludwig M, Forstner AJ, Albus M, Schwab SG, Borrmann-Hassenbach M, Lennertz L, Wagner M, Hoffmann P, Rujescu D, Maier W, Cichon S, Rietschel M, and Nöthen MM

Subjects
Adult, Alleles, DNA Copy Number Variations, Exome, Female, Gene Frequency genetics, Genetic Predisposition to Disease, Genetic Variation, Germany, Humans, Male, Middle Aged, Mutation, Nuclear Proteins metabolism, Chromosomes, Human, Pair 16, Nuclear Proteins genetics, Schizophrenia genetics
Abstract

Duplications in 16p11.2 are a risk factor for schizophrenia (SCZ). Using genetically modified zebrafish, Golzio and colleagues identified KCTD13 within 16p11.2 as a major driver of the neuropsychiatric phenotype observed in humans. The aims of the present study were to explore the role of KCTD13 in the development of SCZ and to provide a more complete picture of the allelic architecture at this risk locus. The exons of KCTD13 were sequenced in 576 patients. The mutations c.6G>T and c.598G>A were identified in one patient each. Both mutations were predicted to be functionally relevant and were absent from the 1000 Genomes Project data and the Exome Variant Server. The mutation c.6G>T was predicted to abolish a potential transcription factor-binding site for specifity protein 1. Altered specifity protein 1 expression has been reported in SCZ patients compared with controls. Further studies in large cohorts are warranted to determine the relevance of the two identified mutations.

Published
2016
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24. [Reimbursement in psychiatry and psychosomatics: proof of concept for a system based on daily costs].

Author

Klimke A, Bader R, Berton R, Borrmann-Hassenbach M, Brobeil T, Nitschke R, Reitel G, Schillinger M, and Godemann F

Subjects
Female, Germany epidemiology, Humans, Male, Mental Disorders diagnosis, Middle Aged, Pilot Projects, Prevalence, Psychosomatic Medicine economics, Health Care Costs statistics & numerical data, Length of Stay economics, Mental Disorders economics, Mental Disorders therapy, Psychiatry economics, Reimbursement Mechanisms economics
Abstract

Background: In Germany a new reimbursement system for psychiatry and psychosomatics is under development. Based on total costs of each case from selected hospitals and day clinics, in 2013 the Institute for the Hospital Remuneration System (InEK) proposed to reimburse the hospital costs daily with step-wise decreasing remuneration, mainly depending on the ICD-10 diagnosis, duration of stay and some complicating factors (PEPP grouper). It is controversial whether this degressive system will result in an inadequate remuneration of patients with longer duration of severe symptoms, such as suicidality in depression or autoaggressive behavior in borderline personality disorder and will eventually lead to advantages for acutely ill patients with short duration of stay compared to chronically ill patients., Objectives: This study formulated and tested an alternative remuneration system (proof of concept) mainly based on an analysis of daily cost data instead of the total costs of each case., Material and Methods: The study is based on 147,749 treatment days from 4,633 cases of patients with psychotic disorders (PEPP-PA03) in 6 hospitals. As possible cost separating factors the study analyzed days with and without intensive psychiatric care, 1 to 1 care, psychological diagnostics, magnetic resonance imaging (MRI), acute crisis intervention, age at admission, the first days of treatment and day of discharge., Results and Discussion: Nearly all factors tested were shown to be statistically significant in separating daily hospital costs. Based on these findings an alternative calculation algorithm (TEPPconcret), which grouped the cases with respect to age, intensive care, 1 to 1 care, treatment days 1-4 and day of discharge, was formulated and tested. For psychotic disorders TEPPconcret with a basic rate complemented by daily add-on payments depending on the effort involved, is a serious alternative to the PEPP system and awaits further evaluation.

Published
2014
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25. DNA sequence variants in the metabotropic glutamate receptor 3 and risk to schizophrenia: an association study.

Author

Schwab SG, Plummer C, Albus M, Borrmann-Hassenbach M, Lerer B, Trixler M, Maier W, and Wildenauer DB

Subjects
Alleles, Base Sequence, Chromosomes, Human, Pair 7, DNA Mutational Analysis, Gene Frequency, Genetic Markers, Haplotypes, Humans, Linkage Disequilibrium genetics, Polymorphism, Single Nucleotide genetics, Genetic Predisposition to Disease, Mutation genetics, Receptors, Metabotropic Glutamate genetics, Schizophrenia genetics
Abstract

Objectives: Recent studies investigating the association of DNA variants in the metabotropic glutamate receptor gene (GRM3) with schizophrenia susceptibility revealed conflicting results. In this study, we focused on DNA sequence variants, for which association was reported and attempted to replicate association with schizophrenia or with cognitive deficits known to be present in patients with schizophrenia., Methods: A sample of 242 families with affected offspring and five single nucleotide markers located in the genomic region of GRM3 has been used to replicate association with schizophrenia. In addition, results of neuropsychological tests, trail making test B and the Stroop color-naming task were available for a subgroup of these families (N=88) and an independent sample of 148 patients with schizophrenia. Correlation of these measurements with genotypic data was performed using analysis of variance., Results: No statistical evidence for association with schizophrenia or correlation with cognitive deficits as measured by the trail making test B or the Stroop color-naming task and the five DNA sequence variants could be detected. A trend towards association with schizophrenia was revealed for a single marker (rs2237562, P=0.056) and for 2-marker and 3-marker haplotypes containing this variant., Conclusions: Our study of DNA sequence variants in the GRM3 gene did not provide further support for genetic association with schizophrenia or for correlation with cognitive deficits.

Published
2008
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26. Serotonin transporter promoter and intron 2 polymorphisms: relationship between allelic variants and gene expression.

Author

Hranilovic D, Stefulj J, Schwab S, Borrmann-Hassenbach M, Albus M, Jernej B, and Wildenauer D

Subjects
Adult, Analysis of Variance, Carrier Proteins metabolism, Family Health, Female, Genotype, Humans, Lymphocytes metabolism, Male, Membrane Glycoproteins metabolism, Nerve Tissue Proteins metabolism, RNA, Messenger biosynthesis, Reverse Transcriptase Polymerase Chain Reaction methods, Schizophrenia genetics, Serotonin Plasma Membrane Transport Proteins, Carrier Proteins genetics, Gene Expression physiology, Membrane Glycoproteins genetics, Membrane Transport Proteins, Minisatellite Repeats genetics, Nerve Tissue Proteins genetics, Polymorphism, Genetic, Promoter Regions, Genetic
Abstract

Background: Two polymorphic regions of serotonin transporter (5-HTT) gene: a 44 base pair (bp) insertion/deletion in the promoter region (5-HTTLPR) and a 17 bp variable number of tandem repeats in second intron (VNTR-2), seem to modulate the gene's transcription in allele-dependent manner., Methods: We have earlier demonstrated association with 5-HTT gene in families multiply affected by schizophrenia. Here, we investigated separate and combined effects of VNTR-2 and 5-HTTLPR on the rate of peripheral 5-HTT transcription in a sample of offspring from those families. Relative 5-HTT mRNA levels were determined in 53 permanent lymphoblast cell lines by semiquantitative real-time polymerase chain reaction using beta-actin as reference., Results: Since the low-expressing alleles (short [S], 10) appeared to act dominantly, genotypes were grouped as "high-expressing" (long [L]/L, 12/12) versus "low-expressing" (S, 10). At both loci, nonsignificant differences in 5-HTT mRNA levels ( approximately 30%) were observed between "high"- and "low-expressing" genotypes. In order to search for the potential combined effect of 5-HTTLPR and VNTR-2, levels of 5-HTT mRNA were compared among three groups of samples having "low-expressing" genotype at none, one, or both loci. Increase in number of "low-expressing" genotypes significantly reduced relative 5-HTT gene expression (p <.02)., Conclusions: Our results indicate weak individual influence, but possible combined effect, of 5-HTTLPR and VNTR-2 polymorphisms on 5-HTT gene expression.

Published
2004
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27. Association of tumor necrosis factor alpha gene -G308A polymorphism with schizophrenia.

Author

Schwab SG, Mondabon S, Knapp M, Albus M, Hallmayer J, Borrmann-Hassenbach M, Trixler M, Gross M, Schulze TG, Rietschel M, Lerer B, Maier W, and Wildenauer DB

Subjects
Alleles, Chromosomes, Human, Pair 6, Genetic Carrier Screening, Genetic Predisposition to Disease genetics, Humans, Linkage Disequilibrium, Lymphotoxin-alpha genetics, Major Histocompatibility Complex genetics, Models, Genetic, Schizophrenia diagnosis, Polymorphism, Genetic genetics, Promoter Regions, Genetic genetics, Schizophrenia genetics, Schizophrenic Psychology, Tumor Necrosis Factor-alpha genetics
Abstract

Background: Tumor necrosis factor alpha (TNFalpha), a cytokine involved in inflammatory processes, has been implicated in the pathophysiology of schizophrenia. The chromosomal location in the major histocompatibility complex (MHC) region on 6p21.1-21.3, a region with evidence for linkage, suggests a role in susceptibility to schizophrenia. Association of the minor (A) allele of the -G308A TNFalpha gene polymorphism with schizophrenia has been reported [Mol. Psychiatry 6 (2001) 79]., Methods: Association of the -G308A TNFalpha gene and the lymphotoxin alpha (LTalpha)+A252G gene polymorphisms with schizophrenia was studied in 79 sib pair families with linkage in the MHC region and in 128 trio families using the transmission disequilibrium test (TDT)., Results: Weak association of the common G allele was detected for TNFalpha -G308A in both samples independently with borderline significance in the sib pair families (0.064) and with a nominally significant value of P=0.022 in the trio families. Combining both samples produced P=0.003, while LTalpha+A252G, located approximately 2-3 kb distally, revealed P=0.03 and the two locus haplotype yielded a P value of 0.001., Conclusion: Our data suggests association of the common G allele of the -G308A TNFalpha gene polymorphism with schizophrenia in a sample of 207 families. However, linkage disequilibrium with a different allele of the TNFalpha gene or another gene in the MHC region cannot be excluded.

Published
2003
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28. [No Association of the - 141C Ins/Del Polymorphism of the Dopamine D2 Receptor with Schizophrenia]

Author

Rohrmeier T, Putzhammer A, Sartor H, Knapp M, Albus M, Borrmann-Hassenbach M, Lichtermann D, Wildenauer D, Schwab S, Maier W, Klein HE, and Eichhammer P

Abstract

Recently, a putative functional polymorphism (- 141C Ins/Del) in the 5'-flanking region of the dopamine D (2) receptor was found. An association of the Ins allele with schizophrenia has been described in a Japanese sample. In the present study this association was examined in a German schizophrenia patient population. In a family based approach 190 German family trios were analyzed for the - 141C Ins/Del genotype. Using the transmission disequilibrium test (TDT) we found no evidence for an association of the Ins allele with schizophrenia (TDT = 0.152, P = 0.696). In parallel, we performed an independent case control study with 268 schizophrenic patients and 244 controls. Again, we did not detect an overrepresentation of the Ins allele in patients (P = 0.124). Thus, our data do not support the hypothesis that the - 141C Ins variant plays a major role in predisposition to schizophrenia. To confirm our conclusion further preferentially family based studies are needed.

Published
2003
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29. [No association of 141C-ins/del polymorphism in the D2 dopamine receptor gene in schizophrenia].

Author

Rohrmeier T, Putzhammer A, Sartor H, Knapp M, Albus M, Borrmann-Hassenbach M, Lichtermann D, Wildenauer D, Schwab S, Maier W, Klein HE, and Eichhammer P

Subjects
Adult, Alleles, Case-Control Studies, DNA Mutational Analysis, Female, Genetic Predisposition to Disease genetics, Humans, Linkage Disequilibrium genetics, Male, Middle Aged, Promoter Regions, Genetic genetics, Risk, Chromosome Deletion, Mutagenesis, Insertional, Polymorphism, Genetic genetics, Receptors, Dopamine D2 genetics, Schizophrenia genetics
Abstract

Recently, a putative functional polymorphism (-141C Ins/Del) in the 5'-flanking region of the dopamine D2 receptor was found. An association of the Ins allele with schizophrenia has been described in a Japanese sample. In the present study this association was examined in a German schizophrenia patient population. In a family based approach 190 German family trios were analyzed for the -141C Ins/Del genotype. Using the transmission disequilibrium test (TDT) we found no evidence for an association of the Ins allele with schizophrenia (TDT = 0.152, P = 0.696). In parallel, we performed an independent case control study with 268 schizophrenic patients and 244 controls. Again, we did not detect an overrepresentation of the Ins allele in patients (P = 0.124). Thus, our data do not support the hypothesis that the -141C Ins variant plays a major role in predisposition to schizophrenia. To confirm our conclusion further preferentially family based studies are needed.

Published
2003

30. Support for association of schizophrenia with genetic variation in the 6p22.3 gene, dysbindin, in sib-pair families with linkage and in an additional sample of triad families.

Author

Schwab SG, Knapp M, Mondabon S, Hallmayer J, Borrmann-Hassenbach M, Albus M, Lerer B, Rietschel M, Trixler M, Maier W, and Wildenauer DB

Subjects
Chromosome Mapping, Dysbindin, Dystrophin-Associated Proteins, Gene Frequency genetics, Haplotypes genetics, Humans, Linkage Disequilibrium genetics, Lod Score, Polymorphism, Single Nucleotide genetics, Siblings, Carrier Proteins genetics, Chromosomes, Human, Pair 6 genetics, Genetic Variation genetics, Schizophrenia genetics
Abstract

Genetic variants in a gene on 6p22.3, dysbindin, have been shown recently to be associated with schizophrenia (Straub et al. 2002a). There is no doubt that replication in other independent samples would enhance the significance of this finding considerably. Since the gene is located in the center of the linkage peak on chromosome 6p that we reported earlier, we decided to test six of the most positive DNA polymorphisms in a sib-pair sample and in an independently ascertained sample of triads comprising 203 families, including the families for which we detected linkage on chromosome 6p. Evidence for association was observed in the two samples separately as well as in the combined sample (P=.00068 for SNP rs760761). Multilocus haplotype analysis increased the significance further to .00002 for a two-locus haplotype and to .00001 for a three-locus haplotype. Estimation of frequencies for six-locus haplotypes revealed one common haplotype with a frequency of 73.4% in transmitted, and only 57.6% in nontransmitted, parental haplotypes. All other six-locus haplotypes occurring at a frequency of >1% were less often transmitted than nontransmitted. Our results represent a first successful replication of linkage disequilibrium in psychiatric genetics detected in a region with previous evidence of linkage and will encourage the search for causes of schizophrenia by the genetic approach.

Published
2003
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31. Investigation of linkage and association/linkage disequilibrium of HLA A-, DQA1-, DQB1-, and DRB1-alleles in 69 sib-pair- and 89 trio-families with schizophrenia.

Author

Schwab SG, Hallmayer J, Freimann J, Lerer B, Albus M, Borrmann-Hassenbach M, Segman RH, Trixler M, Rietschel M, Maier W, and Wildenauer DB

Subjects
Chromosomes, Human, Pair 6 genetics, DNA genetics, Family Health, Female, Genetic Linkage, Genotype, HLA-A Antigens genetics, HLA-DQ Antigens genetics, HLA-DQ alpha-Chains, HLA-DQ beta-Chains, HLA-DR Antigens genetics, HLA-DRB1 Chains, Haplotypes, Humans, Male, Microsatellite Repeats, Nuclear Family, Statistics as Topic, Alleles, Histocompatibility Antigens genetics, Linkage Disequilibrium, Schizophrenia genetics
Abstract

The hypothesis that HLA antigens confer susceptibility to schizophrenic disorders has been tested by studying linkage and association in a family sample with 69 sib-pair families. Suggestive evidence for linkage was obtained by nonparametric multipoint LOD score analysis with a maximum around DQB CAR (P = 0.0004), a microsatellite marker that is in linkage disequilibrium with the HLA antigen DQB1. Spurious evidence for negative association as calculated by the transmission disequilibrium test was found for HLA- DRB1*11 (chi-square = 11.72, corrected P value = 0.03) and for the haplotype DQB1*301-DQA1*501-DRB1*11 (chi-square = 11.3, corrected P value = 0.043). No evidence of association with these alleles was obtained in a sample of 89 trios with schizophrenic offspring and parents. Our results are not in favor of a direct involvement of the HLA system in development of schizophrenia, but are compatible with the possible existence of a susceptibility gene in the MHC region at chromosome 6p 21.31., (Copyright 2002 Wiley-Liss, Inc.)

Published
2002
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32. A genome screen for genes predisposing to bipolar affective disorder detects a new susceptibility locus on 8q.

Author

Cichon S, Schumacher J, Müller DJ, Hürter M, Windemuth C, Strauch K, Hemmer S, Schulze TG, Schmidt-Wolf G, Albus M, Borrmann-Hassenbach M, Franzek E, Lanczik M, Fritze J, Kreiner R, Reuner U, Weigelt B, Minges J, Lichtermann D, Lerer B, Kanyas K, Baur MP, Wienker TF, Maier W, Rietschel M, Propping P, and Nöthen MM

Subjects
Chromosome Mapping, Chromosomes, Human, Pair 14 genetics, Chromosomes, Human, Pair 16 genetics, Chromosomes, Human, Pair 2 genetics, DNA analysis, Female, Genetic Predisposition to Disease, Genetic Testing, Genomic Imprinting, Genotype, Humans, Leukocytes physiology, Lod Score, Male, Microsatellite Repeats, Nuclear Family, Pedigree, Phenotype, Veins physiology, Bipolar Disorder genetics, Chromosomes, Human, Pair 8 genetics
Abstract

Bipolar affective disorder (BPAD), also known as manic depressive illness, is a severe psychiatric disorder characterized by episodes of mania and depression. It has a lifetime prevalence of approximately 1% in all human populations. In order to identify chromosomal regions containing genes that play a role in determining susceptibility to this psychiatric condition, we have conducted a complete genome screen with 382 markers (average marker spacing of 9.3 cM) in a sample of 75 BPAD families which were recruited through an explicit ascertainment scheme. Pedigrees were of German, Israeli and Italian origin, respectively. Parametric and non-parametric linkage analysis was performed. The highest two-point LOD score was obtained on 8q24 (D8S514; LOD score = 3.62), in a region that has not attracted much attention in previous linkage studies of BPAD. The second best finding was seen on 10q25-q26 (D10S217; LOD score = 2.86) and has been reported in independent studies of BPAD. Other regions showing 'suggestive' evidence for linkage localized to 1p33-p36, 2q21-q33, 3p14, 3q26-q27, 6q21-q22, 8p21, 13q11 and 14q12-q13. In addition, we aimed at detecting possible susceptibility loci underlying genomic imprinting by analyzing the autosomal genotype data with the recently developed extension of the GENEHUNTER program, GENEHUNTER-IMPRINTING. Putative paternally imprinted loci were identified in chromosomal regions 2p24-p21 and 2q31-q32. Maternally imprinted susceptibility genes may be located on 14q32 and 16q21-q23.

Published
2001
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33. Investigation of the human serotonin 6 [5-HT6] receptor gene in bipolar affective disorder and schizophrenia.

Author

Vogt IR, Shimron-Abarbanell D, Neidt H, Erdmann J, Cichon S, Schulze TG, Müller DJ, Maier W, Albus M, Borrmann-Hassenbach M, Knapp M, Rietschel M, Propping P, and Nöthen MM

Subjects
Bipolar Disorder metabolism, DNA Mutational Analysis, Exons genetics, Female, Genetic Variation genetics, Humans, Introns genetics, Linkage Disequilibrium genetics, Male, Polymorphism, Single-Stranded Conformational, Schizophrenia metabolism, Bipolar Disorder genetics, Receptors, Serotonin genetics, Schizophrenia genetics
Abstract

Serotonin (5-hydroxytryptamine, 5-HT) is a neurotransmitter that mediates a wide range of central nervous functions by activating multiple 5-HT receptor subtypes. A possible irregularity of serotonergic neurotransmission has been implicated in a variety of neuropsychiatric diseases. In the present study, we performed a systematic mutation scan of the complete coding region and splice junctions of the 5-HT(6) receptor gene to explore the contribution of this gene to the development of bipolar affective disorder and schizophrenia. Investigating 137 unrelated individuals (including 45 bipolar affective patients, 46 schizophrenic patients, and 46 unrelated controls), we identified six single base substitutions (126G/T, 267C/T, 873+30C/T, 873+128A/C, 1128G/C, 1376T/G). Comparing frequencies between patients and controls, we observed a significant overrepresentation of the 267C allele among bipolar patients (P=0. 023 not corrected for multiple testing). This finding was followed up in an independent sample of 105 bipolar family trios using a family-based association design. Fifty-one transmissions could be examined. In 30 cases allele 267C and in 21 cases allele 267T were transmitted to the affected offspring. Although this result was far from statistical significance (transmission disequilibrium test=1.59, P=0.208), the limited number of possible transmissions may have prevented detection of smaller effects. Our preliminary data suggest that bipolar affective disorder may be associated with variation in the 5-HT(6) gene. It will be important to extend the present analysis to larger samples. Am. J. Med. Genet. (Neuropsychiatr. Genet.) 96:217-221, 2000., (Copyright 2000 Wiley-Liss, Inc.)

Published
2000

34. Association of dopamine D3-receptor gene variants with neuroleptic induced akathisia in schizophrenic patients: a generalization of Steen's study on DRD3 and tardive dyskinesia.

Author

Eichhammer P, Albus M, Borrmann-Hassenbach M, Schoeler A, Putzhammer A, Frick U, Klein HE, and Rohrmeier T

Subjects
Acute Disease, Akathisia, Drug-Induced etiology, Amino Acid Substitution, Antipsychotic Agents adverse effects, Antipsychotic Agents therapeutic use, Dyskinesias etiology, Female, Gene Expression Regulation drug effects, Gene Expression Regulation genetics, Germany, Haloperidol adverse effects, Haloperidol therapeutic use, Humans, Male, Middle Aged, Polymorphism, Genetic genetics, Receptors, Dopamine D3, Schizophrenia drug therapy, Akathisia, Drug-Induced genetics, Dyskinesias genetics, Genetic Variation genetics, Receptors, Dopamine D2 genetics, Schizophrenia genetics
Abstract

Neuroleptic induced akathisia is a common and distressful extrapyramidal side effect of antipsychotic treatment. A significant proportion of the variability of its development has been left unexplained and has to be attributed to individual susceptibility. Since hereditary factors have been discussed in the etiology of acute akathisia (AA), part of the individual susceptibility might be of genetic origin. Moreover, AA is regarded as a forerunner of tardive dyskinesia, a drug-induced chronic movement disorder, which may be associated with homozygosity for the Ser9Gly variant of the DRD3 gene. Considering expression studies, which demonstrated functional variants of DRD3 polymorphisms, we investigated whether homozygosity for the Ser9Gly variant of the DRD3 gene is associated with AA. Homozygosity for the Ser9Gly variant of the DRD3 gene was connected to an 88% incidence of AA as compared with a considerably lower 46.9% incidence of AA in schizophrenic patients nonhomozygous for the 2-2 allele (exact P = 0.0223). Am. J. Med. Genet. (Neuropsychiatr. Genet.) 96:187-191, 2000., (Copyright 2000 Wiley-Liss, Inc.)

Published
2000
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35. Age at onset anticipation in familial schizophrenia. Does the phenomenon even exist?

Author

Borrmann-Hassenbach MB, Albus M, Scherer J, and Dreikorn B

Subjects
Adolescent, Adult, Age Distribution, Age of Onset, Aged, Female, Humans, Male, Middle Aged, Point Mutation genetics, Retrospective Studies, Schizophrenia epidemiology, Trinucleotide Repeats genetics, Schizophrenia genetics
Abstract

The discovery of dynamic mutations, like the expansion of unstable CG-rich trinucleotide repeat sequence mutations, has revived the interest in investigating the phenomenon of anticipation of age at onset of the illness (AAO) in familial schizophrenia. In those studies of parent-offspring pairs analyzed for AAO anticipation published to date, however, several ascertainment biases were not adequately controlled for. The present study focuses mainly on the age at investigation (AAI) bias, neglected so far, by investigating 96 schizophrenic parent offspring pairs and 26 aunt/uncle-niece/nephew pairs. When not controlling for a potential AAI bias, AAO differences in the parent-offspring sample in favor for anticipation were found in the same magnitude as reported by other authors (12.5 years, p < 0.0001). However, when controlling for AAI, these positive anticipation findings were compensated for (1.32 years, p=0.129). Additional selection procedures such as the exclusion of late-onset schizophrenia, the analysis of pairs where both members were through the age of risk, or the selection of aunt/uncle-niece/nephew pairs could not circumvent the AAI effect. These results suggest that the AAI effect is an essential bias in investigating anticipation, leading to false-positive AAO anticipation results if not taken into account.

Published
1999
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