Clinical characterization and therapeutic targeting of fusion genes in oncology

Susan Morand1, Lauren Rager2, Daniel Craig2

  • 1Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA.

PubMed

Insights

Gene fusions are key cancer drivers found in many solid tumors. Targeting these fusion genes with precision therapies, like tyrosine inhibitors, offers effective treatment strategies and personalized cancer care.

Area of Science:

  • Oncology
  • Genetics
  • Molecular Biology

Background:

  • Gene fusions are significant oncogenic drivers causing abnormal cellular signaling.
  • Approximately 17% of solid tumors harbor at least one gene fusion.
  • Precision therapies targeting fusion genes show considerable clinical efficacy.

Purpose of the Study:

  • To review the therapeutic strategies for targeting gene fusions in cancer.
  • To discuss challenges in therapeutic resistance.
  • To highlight molecular biomarkers for fusion gene-driven cancers.

Main Methods:

  • Review of current literature on gene fusions and targeted therapies.
  • Analysis of next-generation sequencing and bioinformatics advancements.
  • Discussion of clinical efficacy of tyrosine inhibitors.

Main Results:

  • Gene fusions are clonal mutations, representing a personal target for all cancer cells.
  • Targeting fusion gene signaling and immune signals are promising therapeutic avenues.
  • Tyrosine inhibitors are effective in treating cancers with fusion gene expression.

Conclusions:

  • Precision medicine targeting gene fusions offers significant therapeutic opportunities.
  • Understanding fusion genes is crucial for developing effective cancer treatments.
  • Further research into therapeutic resistance and biomarkers is warranted.

Related Concept Videos

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...
7.4K
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...
4.8K
Cancer-Critical Genes I: Proto-oncogenes01:33

Cancer-Critical Genes I: Proto-oncogenes

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...
8.6K
Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
450
Tagging and Fusion Proteins01:24

Tagging and Fusion Proteins

Proteins are involved in several cellular processes and biochemical reactions. Analyzing a specific protein of interest requires it to be isolated from the other proteins in the cell. This is achieved by overexpressing the specific gene in a suitable host to produce large quantities of the target protein. A tag or label is recombined with the gene to produce a fusion protein containing the target protein and the tag. The tags on these fusion proteins can then be used for easy detection and...
6.6K
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.4K