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2 results on '"Yaghootkar, H. (Hanieh)"'

1. Large-scale cis- and trans-eQTL analyses identify thousands of genetic loci and polygenic scores that regulate blood gene expression

Author

Vosa, U. (Urmo), Claringbould, A. (Annique), Westra, H.-J. (Harm-Jan), Bonder, M. J. (Marc Jan), Deelen, P. (Patrick), Zeng, B. (Biao), Kirsten, H. (Holger), Saha, A. (Ashis), Kreuzhuber, R. (Roman), Yazar, S. (Seyhan), Brugge, H. (Harm), Oelen, R. (Roy), de Vries, D. H. (Dylan H.), van der Wijst, M. G. (Monique G. P.), Kasela, S. (Silva), Pervjakova, N. (Natalia), Alves, I. (Isabel), Fave, M.-J. (Marie-Julie), Agbessi, M. (Mawusse), Christiansen, M. W. (Mark W.), Jansen, R. (Rick), Seppala, I. (Ilkka), Tong, L. (Lin), Teumer, A. (Alexander), Schramm, K. (Katharina), Hemani, G. (Gibran), Verlouw, J. (Joost), Yaghootkar, H. (Hanieh), Flitman, R. S. (Reyhan Sonmez), Brown, A. (Andrew), Kukushkina, V. (Viktorija), Kalnapenkis, A. (Anette), Rueger, S. (Sina), Porcu, E. (Eleonora), Kronberg, J. (Jaanika), Kettunen, J. (Johannes), Lee, B. (Bernett), Zhang, F. (Futao), Qi, T. (Ting), Hernandez, J. A. (Jose Alquicira), Arindrarto, W. (Wibowo), Beutner, F. (Frank), Dmitrieva, J. (Julia), Elansary, M. (Mahmoud), Fairfax, B. P. (Benjamin P.), Georges, M. (Michel), Heijmans, B. T. (Bastiaan T.), Hewitt, A. W. (Alex W.), Kahonen, M. (Mika), Kim, Y. (Yungil), Knight, J. C. (Julian C.), Kovacs, P. (Peter), Krohn, K. (Knut), Li, S. (Shuang), Loeffler, M. (Markus), Marigorta, U. M. (Urko M.), Mei, H. (Hailang), Momozawa, Y. (Yukihide), Mueller-Nurasyid, M. (Martina), Nauck, M. (Matthias), Nivard, M. G. (Michel G.), Penninx, B. W. (Brenda W. J. H.), Pritchard, J. K. (Jonathan K.), Raitakari, O. T. (Olli T.), Rotzschke, O. (Olaf), Slagboom, E. P. (Eline P.), Stehouwer, C. D. (Coen D. A.), Stumvoll, M. (Michael), Sullivan, P. (Patrick), Thiery, J. (Joachim), Tonjes, A. (Anke), van Dongen, J. (Jenny), van Iterson, M. (Maarten), Veldink, J. H. (Jan H.), Voelker, U. (Uwe), Warmerdam, R. (Robert), Wijmenga, C. (Cisca), Swertz, M. (Morris), Andiappan, A. (Anand), Montgomery, G. W. (Grant W.), Ripatti, S. (Samuli), Perola, M. (Markus), Kutalik, Z. (Zoltan), Dermitzakis, E. (Emmanouil), Bergmann, S. (Sven), Frayling, T. (Timothy), van Meurs, J. (Joyce), Prokisch, H. (Holger), Ahsan, H. (Habibul), Pierce, B. L. (Brandon L.), Lehtimaki, T. (Terho), Boomsma, D. I. (Dorret, I), Psaty, B. M. (Bruce M.), Gharib, S. A. (Sina A.), Awadalla, P. (Philip), Milani, L. (Lili), Ouwehand, W. H. (Willem H.), Downes, K. (Kate), Stegle, O. (Oliver), Battle, A. (Alexis), Visscher, P. M. (Peter M.), Yang, J. (Jian), Scholz, M. (Markus), Powell, J. (Joseph), Gibson, G. (Greg), Esko, T. (Tonu), and Franke, L. (Lude)

Abstract

Trait-associated genetic variants affect complex phenotypes primarily via regulatory mechanisms on the transcriptome. To investigate the genetics of gene expression, we performed cis- and trans-expression quantitative trait locus (eQTL) analyses using blood-derived expression from 31,684 individuals through the eQTLGen Consortium. We detected cis-eQTL for 88% of genes, and these were replicable in numerous tissues. Distal trans-eQTL (detected for 37% of 10,317 trait-associated variants tested) showed lower replication rates, partially due to low replication power and confounding by cell type composition. However, replication analyses in single-cell RNA-seq data prioritized intracellular trans-eQTL. Trans-eQTL exerted their effects via several mechanisms, primarily through regulation by transcription factors. Expression of 13% of the genes correlated with polygenic scores for 1,263 phenotypes, pinpointing potential drivers for those traits. In summary, this work represents a large eQTL resource, and its results serve as a starting point for in-depth interpretation of complex phenotypes.

Published
2021

2. Mendelian randomization integrating GWAS and eQTL data reveals genetic determinants of complex and clinical traits

Author

Porcu, E. (Eleonora), Rueger, S. (Sina), Lepik, K. (Kaido), Agbessi, M. (Mawusse), Ahsan, H. (Habibul), Alves, I. (Isabel), Andiappan, A. (Anand), Arindrarto, W. (Wibowo), Awadalla, P. (Philip), Battle, A. (Alexis), Beutner, F. (Frank), Bonder, M. J. (Marc Jan), Boomsma, D. (Dorret), Christiansen, M. (Mark), Claringbould, A. (Annique), Deelen, P. (Patrick), Esko, T. (Tonu), Fave, M.-J. (Marie-Julie), Franke, L. (Lude), Frayling, T. (Timothy), Gharib, S. A. (Sina A.), Gibson, G. (Gregory), Heijmans, B. T. (Bastiaan T.), Hemani, G. (Gibran), Jansen, R. (Rick), Kahonen, M. (Mika), Kalnapenkis, A. (Anette), Kasela, S. (Silva), Kettunen, J. (Johannes), Kim, Y. (Yungil), Kirsten, H. (Holger), Kovacs, P. (Peter), Krohn, K. (Knut), Kronberg-Guzman, J. (Jaanika), Kukushkina, V. (Viktorija), Lee, B. (Bernett), Lehtimaki, T. (Terho), Loeffler, M. (Markus), Marigorta, U. M. (Urko M.), Mei, H. (Hailang), Milani, L. (Lili), Montgomery, G. W. (Grant W.), Mueler-Nurasyid, M. (Martina), Nauck, M. (Matthias), Nivard, M. (Michel), Penninx, B. (Brenda), Perola, M. (Markus), Pervjakova, N. (Natalia), Pierce, B. L. (Brandon L.), Powell, J. (Joseph), Prokisch, H. (Holger), Psaty, B. M. (Bruce M.), Raitakari, O. T. (Olli T.), Ripatti, S. (Samuli), Rotzschke, O. (Olaf), Saha, A. (Ashis), Scholz, M. (Markus), Schramm, K. (Katharina), Seppala, I. (Ilkka), Slagboom, E. P. (Eline P.), Stehouwer, C. D. (Coen D. A.), Stumvoll, M. (Michael), Sullivan, P. (Patrick), Teumer, A. (Alexander), Thiery, J. (Joachim), Tong, L. (Lin), Tonjes, A. (Anke), van Dongen, J. (Jenny), van Iterson, M. (Maarten), van Meurs, J. (Joyce), Veldink, J. H. (Jan H.), Verlouw, J. (Joost), Visscher, P. M. (Peter M.), Volker, U. (Uwe), Vosa, U. (Urmo), Westra, H.-J. (Harm-Jan), Wijmenga, C. (Cisca), Yaghootkar, H. (Hanieh), Yang, J. (Jian), Zeng, B. (Biao), Zhang, F. (Futao), Beekman, M. (Marian), Boomsma, D. I. (Dorret I.), Bot, J. (Jan), Deelen, J. (Joris), Hofman, B. A. (Bert A.), Hottenga, J. J. (Jouke J.), Isaacs, A. (Aaron), Jhamai, P. M. (P. Mila), Kielbasa, S. M. (Szymon M.), Lakenberg, N. (Nico), Luijk, R. (Rene), Mei, H. (Hailiang), Moed, M. (Matthijs), Nooren, I. (Irene), Pool, R. (Rene), Schalkwijk, C. G. (Casper G.), Slagboom, P. E. (P. Eline), Suchiman, H. E. (H. Eka D.), Swertz, M. A. (Morris A.), Tigchelaar, E. F. (Ettje F.), Uitterlinden, A. G. (Andre G.), van den Berg, L. H. (Leonard H.), van der Breggen, R. (Ruud), van der Kallen, C. J. (Carla J. H.), van Dijk, F. (Freerk), van Duijn, C. M. (Cornelia M.), van Galen, M. (Michiel), van Greevenbroek, M. M. (Marleen M. J.), van Heemst, D. (Diana), van Rooij, J. (Jeroen), Van't Hof, P. (Peter), van Zwet, E. W. (Erik. W.), Vermaat, M. (Martijn), Verbiest, M. (Michael), Verkerk, M. (Marijn), Zhernakova, D. V. (Dasha V.), Zhernakova, S. (Sasha), Santoni, F. A. (Federico A.), Reymond, A. (Alexandre), and Kutalik, Z. (Zoltan)

Abstract

Genome-wide association studies (GWAS) have identified thousands of variants associated with complex traits, but their biological interpretation often remains unclear. Most of these variants overlap with expression QTLs, indicating their potential involvement in regulation of gene expression. Here, we propose a transcriptome-wide summary statistics-based Mendelian Randomization approach (TWMR) that uses multiple SNPs as instruments and multiple gene expression traits as exposures, simultaneously. Applied to 43 human phenotypes, it uncovers 3,913 putatively causal gene–trait associations, 36% of which have no genome-wide significant SNP nearby in previous GWAS. Using independent association summary statistics, we find that the majority of these loci were missed by GWAS due to power issues. Noteworthy among these links is educational attainment-associated BSCL2, known to carry mutations leading to a Mendelian form of encephalopathy. We also find pleiotropic causal effects suggestive of mechanistic connections. TWMR better accounts for pleiotropy and has the potential to identify biological mechanisms underlying complex traits.

Published
2019

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