Cited by 186Sarcoma Diagnosis and TreatmentPARP inhibition in cancer therapyChromatin Remodeling and Cancer

EWS/FLI confers tumor cell synthetic lethality to CDK12 inhibition in Ewing sarcoma

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Iniguez, Amanda Balboni, Stolte, Björn, Wang, Emily Jue, Conway, Amy Saur, Alexe, Gabriela, Dharia, Neekesh V., Kwiatkowski, Nicholas, Zhang, Tinghu +9 more·2018·Cancer Cell

Abstract

Many cancer types are driven by oncogenic transcription factors that have been difficult to drug. Transcriptional inhibitors, however, may offer inroads into targeting these cancers. Through chemical genomics screening, we identified that Ewing sarcoma is a disease with preferential sensitivity to THZ1, a covalent small-molecule CDK7/12/13 inhibitor. The selective CDK12/13 inhibitor, THZ531, impairs DNA damage repair in an EWS/FLI-dependent manner, supporting a synthetic lethal relationship between response to THZ1/THZ531 and EWS/FLI expression. The combination of these molecules with PARP inhibitors showed striking synergy in cell viability and DNA damage assays in vitro and in multiple models of Ewing sarcoma, including a PDX, in vivo without hematopoietic toxicity.

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Crossref · 10.1016/j.ccell.2017.12.009

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  • Inhibiting CDK12 can sensitize cancer cells to PARP inhibitors.

    “Several studies have shown that inhibiting CDK12 can sensitize cancer cells to PARP inhibitors (Bajrami et al., 2014; Iniguez et al., 2018; Johnson et al., 2016).”
  • CDK12 has recently emerged as a potential vulnerability for different cancer types including Ewing sarcoma, triple-negative breast cancer, and hepatocellular carcinoma.

    “Although CDK12 has only recently emerged as a potential vulnerability for different cancer types including Ewing sarcoma, triple-negative breast cancer, and hepatocellular carcinoma (Iniguez et al., 2018;Quereda et al., 2019;Wang et al., 2020)”

    From Degradation of CCNK/CDK12 is a druggable vulnerability of colorectal cancer (2021) · cites this paper as Iniguez et al., 2018

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Authors
Iniguez, A. B., Stolte, B., Wang, E. J., Conway, A. S., Alexe, G., Dharia, N. V., Kwiatkowski, N., Zhang, T., Abraham, B. J., Mora, J., Kalev, P., Leggett, A., Chowdhury, D., Benes, C. H., Young, R. A., Gray, N. S., & Stegmaier, K.
Affiliations
  • Broad Institute (US)
  • Boston Children's Hospital (US)
  • Harvard University (US)
  • Whitehead Institute for Biomedical Research (US)
  • Hospital Sant Joan de Déu Barcelona (ES)
  • Massachusetts General Hospital (US)
Corresponding author
Stegmaier, Kimberly
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2018-02
Volume
33
Issue
2
Pages
202-216.e6
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2784382470
Cited by
173
References
43
Citations by year
2026: 18 · 2025: 16 · 2024: 25 · 2023: 20 · 2022: 22 · 2021: 24 · 2020: 25 · 2019: 15 · 2018: 8
FWCI
13.55
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-nd)
Funders
  • Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology
  • National Institutes of Health (HG002668)
  • National Cancer Institute (1R35 CA210030)
  • St. Baldrick's Foundation
  • Dana-Farber/Harvard Cancer Center
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Sarcoma Diagnosis and Treatment
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
Ewing sarcoma, THZ1, synthetic lethality, DNA repair, PARP inhibitors, combination therapy, transcription inhibitors, patient-derived xenografts
MeSH terms
Synthetic Lethal Mutations, Humans, Phenylenediamines, Pyrimidines, Sarcoma, Ewing, Oncogene Proteins, Fusion, Gene Expression Regulation, Neoplastic, Cyclin-Dependent Kinases, RNA-Binding Protein EWS, Cell Line, Tumor, Cell Proliferation, Proto-Oncogene Protein c-fli-1

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