Oncogenic Signaling Pathways in The Cancer Genome Atlas

Francisco Sanchez-Vega, Marco Mina, Joshua Armenia, Walid K. Chatila, Augustin Luna, Konnor C. La, Sofia Dimitriadoy, David L. Liu, Havish S. Kantheti, Sadegh Saghafinia, Debyani Chakravarty, Foysal Daian, Qingsong Gao, Matthew H. Bailey, Wen Wei Liang, Steven M. Foltz, Ilya Shmulevich, Li Ding, Zachary J. Heins, Angelica OchoaBenjamin E. Gross, Jianjiong Gao, Hongxin Zhang, Ritika Kundra, Cyriac Kandoth, Istemi Bahceci, Leonard Dervishi, Ugur Dogrusoz, Wanding Zhou, Hui Shen, Peter W. Laird, Gregory P. Way, Casey S. Greene, Han Liang, Yonghong Xiao, Chen Wang, Antonio Iavarone, Alice H. Berger, Trever G. Bivona, Alexander J. Lazar, Gary D. Hammer, Thomas Giordano, Lawrence N. Kwong, Grant McArthur, Chenfei Huang, Aaron D. Tward, Mitchell J. Frederick, Frank McCormick, Jiashan (Julia) Zhang, Ronald de Krijger,

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Genetic alterations in signaling pathways that control cell-cycle progression, apoptosis, and cell growth are common hallmarks of cancer, but the extent, mechanisms, and co-occurrence of alterations in these pathways differ between individual tumors and tumor types. Using mutations, copy-number changes, mRNA expression, gene fusions and DNA methylation in 9,125 tumors profiled by The Cancer Genome Atlas (TCGA), we analyzed the mechanisms and patterns of somatic alterations in ten canonical pathways: cell cycle, Hippo, Myc, Notch, Nrf2, PI-3-Kinase/Akt, RTK-RAS, TGFβ signaling, p53 and β-catenin/Wnt. We charted the detailed landscape of pathway alterations in 33 cancer types, stratified into 64 subtypes, and identified patterns of co-occurrence and mutual exclusivity. Eighty-nine percent of tumors had at least one driver alteration in these pathways, and 57% percent of tumors had at least one alteration potentially targetable by currently available drugs. Thirty percent of tumors had multiple targetable alterations, indicating opportunities for combination therapy. An integrated analysis of genetic alterations in 10 signaling pathways in >9,000 tumors profiled by TCGA highlights significant representation of individual and co-occurring actionable alterations in these pathways, suggesting opportunities for targeted and combination therapies.

Original languageEnglish
Pages (from-to)321-337.e10
JournalCell
Volume173
Issue number2
DOIs
Publication statusPublished - 5 Apr 2018

Keywords

  • cancer genome atlas
  • cancer genomics
  • combination therapy
  • pan-cancer
  • PanCanAtlas
  • precision oncology
  • signaling pathways
  • TCGA
  • therapeutics
  • whole exome sequencing

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