Using cancer profiles to identify synthetic lethal therapeutic targets and predictive biomarkers in cancer gene

Laurence H Pearl1,2, Frances M G Pearl3

  • 1Genome Damage and Stability Centre, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9RQ, United Kingdom.

Abstract

Insights

DepMine is a new computational toolkit that simplifies the analysis of cancer gene dependency data. It helps researchers identify potential therapeutic targets and biomarkers by linking gene dependencies to cancer

Area of Science:

  • Computational Biology
  • Genomics
  • Cancer Research

Background:

  • Large-scale loss-of-function screens (CRISPR, siRNA) offer insights into gene essentiality for cancer cell survival.
  • Analyzing this complex genomic data requires significant data science and coding expertise.
  • Identifying therapeutic targets and biomarkers from these screens is challenging.

Purpose of the Study:

  • To develop a user-friendly computational toolkit for analyzing cancer gene dependency data.
  • To enable cancer biologists and clinical scientists to easily query and interpret large-scale genetic screening results.
  • To facilitate the identification of synthetic lethal relationships and optimal biomarker definitions.

Main Methods:

  • Development of DepMine, a computational toolkit for framing complex queries.
  • Integration of cancer gene dependency data with underlying genetic alterations (mutations, copy-number variation, expression levels).
  • Identification of synthetic lethal relationships and refinement to biomarker definitions.

Main Results:

  • DepMine provides a powerful system for relating cancer gene dependency to genetic changes.
  • The toolkit identifies synthetic lethal interactions between genes and user-defined 'cancer profiles'.
  • DepMine can refine potential biomarkers for target dependency.

Conclusions:

  • DepMine democratizes the analysis of cancer gene dependency screens for non-expert users.
  • The toolkit accelerates the discovery of therapeutic targets and biomarkers in cancer research.
  • DepMine is freely available for academic and non-profit use.

Related Concept Videos

Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Cancer-Critical Genes II: Tumor Suppressor Genes01:05

Cancer-Critical Genes II: Tumor Suppressor Genes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Cancer-Critical Genes II: Tumor Suppressor Genes01:05

Cancer-Critical Genes II: Tumor Suppressor Genes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...