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Comprehensive multi-omic profiling of somatic mutations in malformations of cortical development

2023; Nature Portfolio; Volume: 55; Issue: 2 Linguagem: Inglês

10.1038/s41588-022-01276-9

1546-1718

Changuk Chung, Xiaoxu Yang, Taejeong Bae, Keng Ioi Vong, Swapnil Mittal, Catharina Donkels, H. Westley Phillips, Zhen Li, Ashley P.L. Marsh, Martin W. Breuss, Laurel Ball, Camila Araújo Bernardino Garcia, Renee D. George, Jing Gu, Mingchu Xu, Chelsea Barrows, Kiely N. James, Valentina Stanley, Anna S. Nidhiry, Sami Khoury, Gabrielle Howe, Emily Riley, Xin Xu, Brett Copeland, Yifan Wang, Se Hoon Kim, Hoon‐Chul Kang, Andreas Schulze‐Bonhage, Carola A. Haas, Horst Urbach, Marco Prinz, David D. Limbrick, Christina A. Gurnett, Matthew D. Smyth, Shifteh Sattar, Mark Nespeca, David Gonda, Katsumi Imai, Yukitoshi Takahashi, Hsin‐Hung Chen, Jin‐Wu Tsai, Valerio Conti, Renzo Guerrini, Orrin Devinsky, Wilson A. Silva, Hélio Rubens Machado, Gary W. Mathern, Alexej Abyzov, Sara Baldassari, Stéphanie Baulac, Joseph G. Gleeson, Marilyn C. Jones, Diane Masser‐Frye, Shifteh Sattar, Mark Nespeca, David Gonda, Katsumi Imai, Yukitoshi Takahashi, Hsin‐Hung Chen, Jin‐Wu Tsai, Valerio Conti, Renzo Guerrini, Orrin Devinsky, Hélio Rubens Machado, Camila Araújo Bernardino Garcia, Wilson A. Silva, Se Hoon Kim, Hoon‐Chul Kang, Yasemin Alanay, Seema Kapoor, Carola A. Haas, Georgia Ramantani, Thomas J. Feuerstein, Ingmar Blümcke, Robyn M. Busch, Ying Zhong, Vadym Biloshytsky, Kostiantyn Kostiuk, Pedachenko Eg, Gary W. Mathern, Christina A. Gurnett, Matthew D. Smyth, Ingo Helbig, Benjamin C. Kennedy, Judy Liu, Felix Chan, Darcy A. Krueger, Richard E. Frye, Angus A. Wilfong, David L. Adelson, William D. Gaillard, Chima Oluigbo, Anne E. Anderson, Alice Lee, August Yue Huang, Alissa M. D’Gama, Caroline Dias, Christopher A. Walsh, Eduardo A. Maury, Javier Ganz, Michael A. Lodato, Michael Miller, Pengpeng Li, Rachel E. Rodin, Rebeca Borges-Monroy, Robert Hill, Sara Bizzotto, Sattar Khoshkhoo, Sonia Kim, Zinan Zhou, Alice Lee, Alison L. Barton, Alon Galor, Chong Chu, Craig L. Bohrson, D. Gulhan, Eduardo A. Maury, Elaine T. Lim, Eun‐Cheon Lim, Giorgio Melloni, Isidro Cortes, Jake Lee, Joe Luquette, Lixing Yang, Maxwell A. Sherman, Michael E. Coulter, Min‐Seok Kwon, Peter J. Park, Rebeca Borges-Monroy, Semin Lee, Sonia Kim, Soo In Lee, Vinary Viswanadham, Yanmei Dou, Andrew Chess, Attila Jones, Chaggai Rosenbluh, Schahram Akbarian, Ben Langmead, Jeremy Thorpe, Sean Cho, Andrew E. Jaffe, Apuã C.M. Paquola, Daniel R. Weinberger, Jennifer A. Erwin, Jooheon Shin, Michael J. McConnell, Richard E. Straub, Rujuta Narurkar, Alexej Abyzov, Taejeong Bae, Yeongjun Jang, Yifan Wang, Anjené Addington, Geetha Senthil, Cindy Molitor, Mette A. Peters, Fred H. Gage, Meiyan Wang, Patrick Reed, Sara B. Linker, Alexander E. Urban, Bo Zhou, Reenal Pattni, Xiaowei Zhu, Aitor Serres Amero, David Juan, Inna Povolotskaya, Irene Lobón, Manuel Solis Moruno, Raquel García, Tomás Marquès‐Bonet, Eduardo Soriano, Gary W. Mathern, Danny Antaki, Dan Averbuj, Eric Courchesne, Joseph G. Gleeson, Laurel Ball, Martin W. Breuss, Subhojit Roy, Xiaoxu Yang, Changuk Chung, Chen Sun, Diane A. Flasch, Trenton J. Frisbie Trenton, Huira C. Kopera, Jeffrey M. Kidd, John B. Moldovan, John V. Moran, Kenneth Y. Kwan, Ryan E. Mills, Sarah B. Emery, Weichen Zhou, Xuefang Zhao, Aakrosh Ratan, Adriana Cherskov, Alexandre Jourdon, Flora M. Vaccarino, Liana Fasching, Nenad Šestan, Sirisha Pochareddy, Soraya Scuder, Joseph G. Gleeson,

Fetal and Pediatric Neurological Disorders

Malformations of cortical development (MCD) are neurological conditions involving focal disruptions of cortical architecture and cellular organization that arise during embryogenesis, largely from somatic mosaic mutations, and cause intractable epilepsy. Identifying the genetic causes of MCD has been a challenge, as mutations remain at low allelic fractions in brain tissue resected to treat condition-related epilepsy. Here we report a genetic landscape from 283 brain resections, identifying 69 mutated genes through intensive profiling of somatic mutations, combining whole-exome and targeted-amplicon sequencing with functional validation including in utero electroporation of mice and single-nucleus RNA sequencing. Genotype–phenotype correlation analysis elucidated specific MCD gene sets associated with distinct pathophysiological and clinical phenotypes. The unique single-cell level spatiotemporal expression patterns of mutated genes in control and patient brains indicate critical roles in excitatory neurogenic pools during brain development and in promoting neuronal hyperexcitability after birth. This Brain Somatic Mosaicism Network analysis of 283 cases of malformations of cortical development identifies 69 candidate and known genes in 76 patients. Single-nucleus RNA sequencing and mouse modeling implicate radial glia and daughter excitatory neurons.