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Partitioning the Heritability of Tourette Syndrome and Obsessive Compulsive Disorder Reveals Differences in Genetic Architecture (2013)
Davis, Lea K. ; Yu, Dongmei ; Keenan, Clare L. ; Gamazon, Eric R. ; Konkashbaev, Anuar I. ; Derks, Eske M. ; Neale, Benjamin M. ; Yang, Jian ; Lee, S. Hong ; Evans, Patrick ; Barr, Cathy L. ; Bellodi, Laura ; Benarroch, Fortu ; Berrio, Gabriel Bedoya ; Bienvenu, Oscar J. ; Bloch, Michael H. ; Blom, Rianne M. ; Bruun, Ruth D. ; Budman, Cathy L. ; Camarena, Beatriz ; Campbell, Desmond ; Cappi, Carolina ; Cardona Silgado, Julio C. ; Cath, Danielle C. ; Cavallini, Maria C. ; Chavira, Denise A. ; Chouinard, Sylvian ; Conti, David V. ; Cook, Edwin H. ; Coric, Vladimir ; Cullen, Bernadette A. ; Deforce, Dieter ; Delorme, Richard ; Dion, Yves ; Edlund, Christopher K. ; Egberts, Karin ; Falkai, Peter ; Fernandez, Thomas V. ; Gallagher, Patience J. ; Garrido, Helena ; Geller, Daniel ; Girard, Simon L. ; Grabe, Hans J. ; Grados, Marco A. ; Greenberg, Benjamin D. ; Gross-Tsur, Varda ; Haddad, Stephen ; Heiman, Gary A. ; Hemmings, Sian M. J. ; Hounie, Ana G. ; Illmann, Cornelia ; Jankovic, Joseph ; Jenike, Micheal A. ; Kennedy, James L. ; King, Robert A. ; Kremeyer, Barbara ; Kurlan, Roger ; Lanzagorta, Nuria ; Leboyer, Marion ; Leckman, James F. ; Lennertz, Leonhard ; Liu, Chunyu ; Lochner, Christine ; Lowe, Thomas L. ; Macciardi, Fabio ; McCracken, James T. ; McGrath, Lauren M. ; Restrepo, Sandra C. Mesa ; Moessner, Rainald ; Morgan, Jubel ; Muller, Heike ; Murphy, Dennis L. ; Naarden, Allan L. ; Ochoa, William Cornejo ; Ophoff, Roel A. ; Osiecki, Lisa ; Pakstis, Andrew J. ; Pato, Michele T. ; Pato, Carlos N. ; Piacentini, John ; Pittenger, Christopher ; Pollak, Yehunda ; Rauch, Scott L. ; Renner, Tobias J. ; Reus, Victor I. ; Richter, Margaret A. ; Riddle, Mark A. ; Robertson, Mary M. ; Romero, Roxana ; Rosàrio, Maria C. ; Rosenberg, David ; Rouleau, Guy A. ; Ruhrmann, Stephan ; Ruiz-Linares, Andreas ; Sampaio, Aline S. ; Samuels, Jack ; Sandor, Paul ; Sheppard, Broke ; Singer, Harvey S. ; Smit, Jan H. ; Stein, Dan J. ; Strengman, E. ; Tischfield, Jay A. ; Valencia Duarte, Ana V. ; Vallada, Homero ; Van Nieuwerburgh, Flip ; Veenstra-VanderWeele, Jeremy ; Walitza, Susanne ; Wang, Ying ; Wendland, Jens R. ; Westenberg, Herman G. M. ; Shugart, Yin Yao ; Miguel, Euripedes C. ; McMahon, William ; Wagner, Michael ; Nicolini, Humberto ; Posthuma, Danielle ; Hanna, Gregory L. ; Heutink, Peter ; Denys, Damiaan ; Arnold, Paul D. ; Oostra, Ben A. ; Nestadt, Gerald ; Freimer, Nelson B. ; Pauls, David L. ; Wray, Naomi R. ; Stewart, S. Evelyn ; Mathews, Carol A. ; Knowles, James A. ; Cox, Nancy J. ; Scharf, Jeremiah M.
The direct estimation of heritability from genome-wide common variant data as implemented in the program Genome-wide Complex Trait Analysis (GCTA) has provided a means to quantify heritability attributable to all interrogated variants. We have quantified the variance in liability to disease explained by all SNPs for two phenotypically-related neurobehavioral disorders, obsessive-compulsive disorder (OCD) and Tourette Syndrome (TS), using GCTA. Our analysis yielded a heritability point estimate of 0.58 (se = 0.09, p = 5.64e-12) for TS, and 0.37 (se = 0.07, p = 1.5e-07) for OCD. In addition, we conducted multiple genomic partitioning analyses to identify genomic elements that concentrate this heritability. We examined genomic architectures of TS and OCD by chromosome, MAF bin, and functional annotations. In addition, we assessed heritability for early onset and adult onset OCD. Among other notable results, we found that SNPs with a minor allele frequency of less than 5% accounted for 21% of the TS heritability and 0% of the OCD heritability. Additionally, we identified a significant contribution to TS and OCD heritability by variants significantly associated with gene expression in two regions of the brain (parietal cortex and cerebellum) for which we had available expression quantitative trait loci (eQTLs). Finally we analyzed the genetic correlation between TS and OCD, revealing a genetic correlation of 0.41 (se = 0.15, p = 0.002). These results are very close to previous heritability estimates for TS and OCD based on twin and family studies, suggesting that very little, if any, heritability is truly missing (i.e., unassayed) from TS and OCD GWAS studies of common variation. The results also indicate that there is some genetic overlap between these two phenotypically-related neuropsychiatric disorders, but suggest that the two disorders have distinct genetic architectures.
A Multilaboratory Comparison of Calibration Accuracy and the Performance of External References in Analytical Ultracentrifugation (2015)
Zaho, Huaying ; Ghirlando, Rodolfo ; Alfonso, Carlos ; Arisaka, Fumio ; Attali, Ilan ; Bain, David L. ; Bakhtina, Marina M. ; Becker, Donald F. ; Bedwell, Gregory J. ; Bekdemir, Ahmet ; Besong, Tabot M. D. ; Birck, Catherine ; Brautigam, Chad A. ; Brennerman, William ; Byron, Olwyn ; Bzowska, Agnieszka ; Chaires, Jonathan B. ; Chaton, Catherine T. ; Coelfen, Helmbut ; Connaghan, Keith D. ; Crowley, Kimberly A. ; Curth, Ute ; Daviter, Tina ; Dean, William L. ; Diez, Ana I. ; Ebel, Christine ; Eckert, Debra M. ; Eisele, Leslie E. ; Eisenstein, Edward ; England, Patrick ; Escalante, Carlos ; Fagan, Jeffrey A. ; Fairman, Robert ; Finn, Ron M. ; Fischle, Wolfgang ; Garcia de la Torre, Jose ; Gor, Jayesh ; Gustafsson, Henning ; Hall, Damien ; Harding, Stephen E. ; Hernandez Cifre, Jose G. ; Herr, Andrew B. ; Howell, Elizabeth E. ; Isaac, Richard S. ; Jao, Shu-Chuan ; Jose, Davis ; Kim, Soon-Jong ; Kokona, Bashkim ; Kornblatt, Jack A. ; Kosek, Dalibor ; Krayukhina, Elena ; Krzizike, Daniel ; Kusznir, Eric A. ; Kwon, Hyewon ; Larson, Adam ; Laue, Thomas M. ; Le Roy, Aline ; Leech, Andrew P. ; Lilie, Hauke ; Luger, Karolin ; Luque-Ortega, Juan R. ; Ma, Jia ; May, Carrie A. ; Maynard, Ernest L. ; Modrak-Wojcik, Anna ; Mok, Yee-Foong ; Mücke, Norbert ; Nagel-Steger, Luitgard ; Narlikar, Geeta J. ; Noda, Masanori ; Nourse, Amanda ; Obsil, Thomas ; Park, Chad K ; Park, Jin-Ku ; Pawelek, Peter D. ; Perdue, Erby E. ; Perkins, Stephen J. ; Perugini, Matthew A. ; Peterson, Craig L. ; Peverelli, Martin G. ; Piszczek, Grzegorz ; Prag, Gali ; Prevelige, Peter E. ; Raynal, Bertrand D. E. ; Rezabkova, Lenka ; Richter, Klaus ; Ringel, Alison E. ; Rosenberg, Rose ; Rowe, Arthur J. ; Rufer, Arne C. ; Scott, David J. ; Seravalli, Javier G. ; Solovyova, Alexandra S. ; Song, Renjie ; Staunton, David ; Stoddard, Caitlin ; Stott, Katherine ; Strauss, Holder M. ; Streicher, Werner W. ; Sumida, John P. ; Swygert, Sarah G. ; Szczepanowski, Roman H. ; Tessmer, Ingrid ; Toth, Ronald T. ; Tripathy, Ashutosh ; Uchiyama, Susumu ; Uebel, Stephan F. W. ; Unzai, Satoru ; Gruber, Anna Vitlin ; von Hippel, Peter H. ; Wandrey, Christine ; Wang, Szu-Huan ; Weitzel, Steven E ; Wielgus-Kutrowska, Beata ; Wolberger, Cynthia ; Wolff, Martin ; Wright, Edward ; Wu, Yu-Sung ; Wubben, Jacinta M. ; Schuck, Peter
Analytical ultracentrifugation (AUC) is a first principles based method to determine absolute sedimentation coefficients and buoyant molar masses of macromolecules and their complexes, reporting on their size and shape in free solution. The purpose of this multi-laboratory study was to establish the precision and accuracy of basic data dimensions in AUC and validate previously proposed calibration techniques. Three kits of AUC cell assemblies containing radial and temperature calibration tools and a bovine serum albumin (BSA) reference sample were shared among 67 laboratories, generating 129 comprehensive data sets. These allowed for an assessment of many parameters of instrument performance, including accuracy of the reported scan time after the start of centrifugation, the accuracy of the temperature calibration, and the accuracy of the radial magnification. The range of sedimentation coefficients obtained for BSA monomer in different instruments and using different optical systems was from 3.655 S to 4.949 S, with a mean and standard deviation of (4.304\(\pm\)0.188) S (4.4%). After the combined application of correction factors derived from the external calibration references for elapsed time, scan velocity, temperature, and radial magnification, the range of s-values was reduced 7-fold with a mean of 4.325 S and a 6-fold reduced standard deviation of \(\pm\)0.030 S (0.7%). In addition, the large data set provided an opportunity to determine the instrument-to-instrument variation of the absolute radial positions reported in the scan files, the precision of photometric or refractometric signal magnitudes, and the precision of the calculated apparent molar mass of BSA monomer and the fraction of BSA dimers. These results highlight the necessity and effectiveness of independent calibration of basic AUC data dimensions for reliable quantitative studies.
Assessment of Response to Lithium Maintenance Treatment in Bipolar Disorder: A Consortium on Lithium Genetics (ConLiGen) Report (2013)
Manchia, Mirko ; Adli, Mazda ; Akula, Nirmala ; Arda, Raffaella ; Aubry, Jean-Michel ; Backlund, Lena ; Banzato, Claudio E. M. ; Baune, Bernhard T. ; Bellivier, Frank ; Bengesser, Susanne ; Biernacka, Joanna M. ; Brichant-Petitjean, Clara ; Bui, Elise ; Calkin, Cynthia V. ; Cheng, Andrew Tai Ann ; Chillotti, Caterina ; Cichon, Sven ; Clark, Scott ; Czerski, Piotr M. ; Dantas, Clarissa ; Del Zompo, Maria ; DePaulo, J. Raymond ; Detera-Wadleigh, Sevilla D. ; Etain, Bruno ; Falkai, Peter ; Frisén, Louise ; Frye, Mark A. ; Fullerton, Jan ; Gard, Sébastien ; Garnham, Julie ; Goes, Fernando S. ; Grof, Paul ; Gruber, Oliver ; Hashimoto, Ryota ; Hauser, Joanna ; Heilbronner, Urs ; Hoban, Rebecca ; Hou, Liping ; Jamain, Stéphane ; Kahn, Jean-Pierre ; Kassem, Layla ; Kato, Tadafumi ; Kelsoe, John R. ; Kittel-Schneider, Sarah ; Kliwicki, Sebastian ; Kuo, Po-Hsiu ; Kusumi, Ichiro ; Laje, Gonzalo ; Lavebratt, Catharina ; Leboyer, Marion ; Leckband, Susan G. ; López Jaramillo, Carlos A. ; Maj, Mario ; Malafosse, Alain ; Martinsson, Lina ; Masui, Takuya ; Mitchell, Philip B. ; Mondimore, Frank ; Monteleone, Palmiero ; Nallet, Audrey ; Neuner, Maria ; Novák, Tomás ; O'Donovan, Claire ; Ösby, Urban ; Ozaki, Norio ; Perlis, Roy H. ; Pfennig, Andrea ; Potash, James B. ; Reich-Erkelenz, Daniela ; Reif, Andreas ; Reininghaus, Eva ; Richardson, Sara ; Rouleau, Guy A. ; Rybakowski, Janusz K. ; Schalling, Martin ; Schofield, Peter R. ; Schubert, Oliver K. ; Schweizer, Barbara ; Seemüller, Florian ; Grigoroiu-Serbanescu, Maria ; Severino, Giovanni ; Seymour, Lisa R. ; Slaney, Claire ; Smoller, Jordan W. ; Squassina, Alessio ; Stamm, Thomas ; Steele, Jo ; Stopkova, Pavla ; Tighe, Sarah K. ; Tortorella, Alfonso ; Turecki, Gustavo ; Wray, Naomi R. ; Wright, Adam ; Zandi, Peter P. ; Zilles, David ; Bauer, Michael ; Rietschel, Marcella ; McMahon, Francis J. ; Schulze, Thomas G. ; Alda, Martin
Objective: The assessment of response to lithium maintenance treatment in bipolar disorder (BD) is complicated by variable length of treatment, unpredictable clinical course, and often inconsistent compliance. Prospective and retrospective methods of assessment of lithium response have been proposed in the literature. In this study we report the key phenotypic measures of the "Retrospective Criteria of Long-Term Treatment Response in Research Subjects with Bipolar Disorder" scale currently used in the Consortium on Lithium Genetics (ConLiGen) study. Materials and Methods: Twenty-nine ConLiGen sites took part in a two-stage case-vignette rating procedure to examine inter-rater agreement [Kappa (\(\kappa\))] and reliability [intra-class correlation coefficient (ICC)] of lithium response. Annotated first-round vignettes and rating guidelines were circulated to expert research clinicians for training purposes between the two stages. Further, we analyzed the distributional properties of the treatment response scores available for 1,308 patients using mixture modeling. Results: Substantial and moderate agreement was shown across sites in the first and second sets of vignettes (\(\kappa\) = 0.66 and \(\kappa\) = 0.54, respectively), without significant improvement from training. However, definition of response using the A score as a quantitative trait and selecting cases with B criteria of 4 or less showed an improvement between the two stages (\(ICC_1 = 0.71\) and \(ICC_2 = 0.75\), respectively). Mixture modeling of score distribution indicated three subpopulations (full responders, partial responders, non responders). Conclusions: We identified two definitions of lithium response, one dichotomous and the other continuous, with moderate to substantial inter-rater agreement and reliability. Accurate phenotypic measurement of lithium response is crucial for the ongoing ConLiGen pharmacogenomic study.
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