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a tool to prioritize therapeutic vulnerabilities in cancer.

The tool could be accessed at http://www.vulcanspot.org/

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Abstract

Genetic alterations lead to tumour progression and survival in cancer, but also uncover gene dependencies such as oncogenic addictions and synthetic lethals, which could be exploited to extend the current catalog of molecularly matched treatments for precision medicine. VulcanSpot is a novel computational approach that exploits the notion of collateral therapeutic vulnerabilities caused by the acquisition of cancer mutations. To this aim, our method mines genomic profiles from cancer cell lines and genome-wide gene loss-of-function screenings to identify potential vulnerabilities in cancer. Then, vulcanSpot prioritizes drugs to target genotype-selective gene dependencies using a weighted scoring system that integrates two complementary strategies for computational drug prescription: i) Pandrugs - a comprehensive database of known gene-drug relationships, and ii) a novel drug repositioning method that matches drugs whose transcriptional signature mimics the functional depletion of the target gene.

Requirements

  • bash (UNIX)
  • sed (UNIX)
  • find (UNIX)
  • python2.7 (UNIX)
  • R (UNIX)

Vulcanspot's pipeline is based on R scripts that process, transform and compare data from different biological sources. The following R packages are required (R version 3.4.4):

package name source Recommended version
biomaRt Bioconductor 2.34.2
GenomicFeatures Bioconductor 1.30.3
SCAN.UPC Bioconductor 2.20.0
fgsea Bioconductor 1.4.1
igraph Bioconductor 1.2.2
reshape2 CRAN 1.4.3
mygene Bioconductor 1.14.0

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a tool to prioritize therapeutic vulnerabilities in cancer

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  • R 88.6%
  • Shell 7.5%
  • Python 3.9%