Cited by 193Bioinformatics and Genomic NetworksGlioma Diagnosis and TreatmentGene Regulatory Network Analysis

Identification of Causal Genetic Drivers of Human Disease through Systems-Level Analysis of Regulatory Networks

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Chen, James C., Alvarez, Mariano J., Talos, Flaminia, Dhruv, Harshil, Rieckhof, Gabrielle E., Iyer, Archana, Diefes, Kristin L., Aldape, Kenneth +3 more·2014·Cell

Abstract

Identification of driver mutations in human diseases is often limited by cohort size and availability of appropriate statistical models. We propose a framework for the systematic discovery of genetic alterations that are causal determinants of disease, by prioritizing genes upstream of functional disease drivers, within regulatory networks inferred de novo from experimental data. We tested this framework by identifying the genetic determinants of the mesenchymal subtype of glioblastoma. Our analysis uncovered KLHL9 deletions as upstream activators of two previously established master regulators of the subtype, C/EBPβ and C/EBPδ. Rescue of KLHL9 expression induced proteasomal degradation of C/EBP proteins, abrogated the mesenchymal signature, and reduced tumor viability in vitro and in vivo. Deletions of KLHL9 were confirmed in > 50% of mesenchymal cases in an independent cohort, thus representing the most frequent genetic determinant of the subtype. The method generalized to study other human diseases, including breast cancer and Alzheimer's disease.

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  1. Aytes A Mitrofanova A Lefebvre C Alvarez MJ Castillo-Martin M Zheng T Eastham JA Gopalan A Pienta KJ Shen MM Cross-species regulatory network analysis identifies a synergistic interaction between FOXM1 and CENPF that drives prostate cancer malignancy Cancer Cell 2014b 25 638 651 24823640 PMC4051317

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Authors
Chen, J. C., Alvarez, M. J., Talos, F., Dhruv, H., Rieckhof, G. E., Iyer, A., Diefes, K. L., Aldape, K., Berens, M., Shen, M. M., & Califano, A.
Affiliations
  • Columbia University (US)
  • Translational Genomics Research Institute (US)
  • University of Toronto (CA)
  • Columbia University Irving Medical Center (US)
Corresponding author
Califano, Andrea
Venue
Cell
Publisher
Elsevier BV
Published
2014-10
Volume
159
Issue
2
Pages
402-414
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2105280376
Cited by
188
References
41
Citations by year
2026: 1 · 2025: 7 · 2024: 13 · 2023: 9 · 2022: 10 · 2021: 12 · 2020: 10 · 2019: 17 · 2018: 26 · 2017: 25 · 2016: 25 · 2015: 29 · 2014: 4
FWCI
11.35
Type
journal article
Language
en
Update notices
erratum (2016-08-11)
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Bladder Cancer Advocacy Network
  • National Cancer Institute (U54CA121852, RC2CA148308, U01CA168426, U01CA168397, 5U01CA16842603, P01CA154293, P50CA127001)
  • National Institute of General Medical Sciences (T32GM082797, T32GM007088)
  • National Institute of Neurological Disorders and Stroke (R01NS061776)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Health Sciences › Medicine › Genetics › Glioma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
driver mutations, regulatory networks, gene regulatory network inference, mesenchymal subtype, glioblastoma, C/EBPβ, C/EBPδ, proteasomal degradation, breast cancer, Alzheimer's disease
MeSH terms
Algorithms, Alzheimer Disease, Animals, Breast Neoplasms, Glioblastoma, Humans, Mutation, Neoplasm Transplantation, Proteins, Quantitative Trait Loci, Proteasome Endopeptidase Complex, Mice, CCAAT-Enhancer-Binding Protein-delta, Gene Regulatory Networks, Ubiquitination, DNA Copy Number Variations, Heterografts

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