Lőrinc Sándor Pongor, Christopher W Schultz, Lorenzo Rinaldi, Darawalee Wangsa, Christophe E Redon, Nobuyuki Takahashi, Gavriel Fialkoff, Parth Desai, Yang Zhang, Sandra Burkett, Nadav Hermoni, Noa Vilk, Jenia Gutin, Rona Gergely, Yongmei Zhao, Samantha Nichols, Rasa Vilimas, Linda Sciuto, Chante Graham, Juan Manuel Caravaca, Sevilay Turan, Shen Tsai-Wei, Vinodh N Rajapakse, Rajesh Kumar, Deep Upadhyay, Suresh Kumar, Yoo Sun Kim, Nitin Roper, Bao Tran, Stephen M Hewitt, David E Kleiner, Mirit I Aladjem, Nir Friedman, Gordon L Hager, Yves Pommier, Thomas Ried, Anish Thomas
UNLABELLED: Small-cell lung cancer (SCLC) is an aggressive neuroendocrine lung cancer. Oncogenic MYC amplifications drive SCLC heterogeneity, but the genetic mechanisms of MYC amplification and phenotypic plasticity, characterized by neuroendocrine and nonneuroendocrine cell states, are not known. Here, we integrate whole-genome sequencing, long-range optical mapping, single-cell DNA sequencing, and fluorescence in situ hybridization to find extrachromosomal DNA (ecDNA) as a primary source of SCLC oncogene amplifications and driver fusions...
April 3, 2023: Cancer Discovery