Cited by 281RNA Research and SplicingGenomics and Chromatin DynamicsDNA Repair Mechanisms

CDK12 loss in cancer cells affects DNA damage response genes through premature cleavage and polyadenylation

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Krajewska, Malgorzata, Dries, Ruben, Grassetti, Andrew V., Dust, Sofia, Gao, Yang, Huang, Hao, Sharma, Bandana, Day, Daniel S. +12 more·2019·Nature Communications

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Abstract

Cyclin-dependent kinase 12 (CDK12) modulates transcription elongation by phosphorylating the carboxy-terminal domain of RNA polymerase II and selectively affects the expression of genes involved in the DNA damage response (DDR) and mRNA processing. Yet, the mechanisms underlying such selectivity remain unclear. Here we show that CDK12 inhibition in cancer cells lacking CDK12 mutations results in gene length-dependent elongation defects, inducing premature cleavage and polyadenylation (PCPA) and loss of expression of long (>45 kb) genes, a substantial proportion of which participate in the DDR. This early termination phenotype correlates with an increased number of intronic polyadenylation sites, a feature especially prominent among DDR genes. Phosphoproteomic analysis indicated that CDK12 directly phosphorylates pre-mRNA processing factors, including those regulating PCPA. These results support a model in which DDR genes are uniquely susceptible to CDK12 inhibition primarily due to their relatively longer lengths and lower ratios of U1 snRNP binding to intronic polyadenylation sites.

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  • CDK12 forms a complex with CCNK to act as a transcriptional regulator of genes critically involved in DDR pathways.

    “CDK12 forms a complex with CCNK to act as a transcriptional regulator of genes critically involved in DDR pathways (Blazek et al., 2011;Krajewska et al., 2019).”

    From Degradation of CCNK/CDK12 is a druggable vulnerability of colorectal cancer (2021) · cites this paper as Krajewska et al., 2019

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Authors
Krajewska, M., Dries, R., Grassetti, A. V., Dust, S., Gao, Y., Huang, H., Sharma, B., Day, D. S., Kwiatkowski, N., Pomaville, M., Dodd, O., Chipumuro, E., Zhang, T., Greenleaf, A. L., Yuan, G.-C., Gray, N. S., Young, R. A., Geyer, M., Gerber, S. A., & George, R. E.
Affiliations
  • Boston Children's Hospital (US)
  • Dartmouth College (US)
  • University of Bonn (DE)
  • Whitehead Institute for Biomedical Research (US)
  • Dana-Farber Cancer Institute (US)
  • Duke Medical Center (US)
  • Harvard University (US)
Corresponding author
George, Rani E.
Venue
Nature Communications
Published
2019-04-15
Volume
10
Issue
1
Pages
1757-1757
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2952112291
Cited by
281
References
83
Citations by year
2026: 41 · 2025: 33 · 2024: 55 · 2023: 32 · 2022: 46 · 2021: 34 · 2020: 26 · 2019: 14
FWCI
9.96
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
Funders
  • Alex's Lemonade Stand Foundation for Childhood Cancer
  • Rally Foundation
  • Dana-Farber Cancer Institute
  • National Institutes of Health (1s10od016212-01, CA154303, CA154303-06)
  • National Cancer Institute (R01CA179483, P01CA154303, R01CA197336, P30CA014236)
  • National Institute of General Medical Sciences (R01GM122846)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
Keywords
CDK12, DNA damage response genes, transcription elongation, gene length, pre-mRNA processing, U1 snRNP, phosphoproteomics, cancer cells
MeSH terms
Chromatography, High Pressure Liquid, Chromatography, Liquid, DNA Damage, DNA Repair, Humans, Models, Molecular, Phosphorylation, RNA Processing, Post-Transcriptional, Cyclin-Dependent Kinases, Polyadenylation, Cell Line, Tumor, Tandem Mass Spectrometry

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