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Oncotarget. 2017 Jun 27;8(38):63140-63154. doi: 10.18632/oncotarget.18702. eCollection 2017 Sep 08.

[No title available]

Oncotarget

Linda J W Bosch, Geert Trooskens, Petur Snaebjornsson, Veerle M H Coupé, Sandra Mongera, Josien C Haan, Susan D Richman, Miriam Koopman, Jolien Tol, Tim de Meyer, Joost Louwagie, Luc Dehaspe, Nicole C T van Grieken, Bauke Ylstra, Henk M W Verheul, Manon van Engeland, Iris D Nagtegaal, James G Herman, Philip Quirke, Matthew T Seymour, Cornelis J A Punt, Wim van Criekinge, Beatriz Carvalho, Gerrit A Meijer

Affiliations

  1. Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.
  2. Department of Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands.
  3. Department of Mathematical Modelling, Statistics and Bioinformatics, Ghent University, Ghent, Belgium.
  4. Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands.
  5. Pathology and Tumour Biology, University of Leeds, Leeds, UK.
  6. Department of Medical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands.
  7. Department of Internal Medicine, Jeroen Bosch Hospital, 's-Hertogenbosch, The Netherlands.
  8. MDxHealth, SA, Liège, Belgium.
  9. Genomics Core Facility, UZ Leuven, Leuven, Belgium.
  10. Department of Oncology, VU University Medical Center, Amsterdam, The Netherlands.
  11. Department of Pathology, GROW - School for Oncology and Developmental Biology and Maastricht University Medical Center, Maastricht, The Netherlands.
  12. Department of Pathology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands.
  13. Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
  14. St James's Institute of Oncology, St James's University Hospital, Leeds, UK.
  15. Department of Medical Oncology, Academic Medical Center, Amsterdam, The Netherlands.

PMID: 28968978 PMCID: PMC5609910 DOI: 10.18632/oncotarget.18702

Abstract

Diversity in colorectal cancer biology is associated with variable responses to standard chemotherapy. We aimed to identify and validate DNA hypermethylated genes as predictive biomarkers for irinotecan treatment of metastatic CRC patients. Candidate genes were selected from 389 genes involved in DNA Damage Repair by correlation analyses between gene methylation status and drug response in 32 cell lines. A large series of samples (n=818) from two phase III clinical trials was used to evaluate these candidate genes by correlating methylation status to progression-free survival after treatment with first-line single-agent fluorouracil (Capecitabine or 5-fluorouracil) or combination chemotherapy (Capecitabine or 5-fluorouracil plus irinotecan (CAPIRI/FOLFIRI)). In the discovery (n=185) and initial validation set (n=166), patients with methylated

Keywords: CAIRO; TNFRSF10C; biomarker; chemotherapy; predictive

Conflict of interest statement

CONFLICTS OF INTEREST LJWB, GT, BC and GAM are listed as inventors on a patent application titled “Methylation of dcr1 as predictive marker for drug response” (applicant MdxHealth SA, application numb

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