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Oncogenic gene fusions in cancer

Oncogenic gene fusions in cancer: from biology to therapy



Oncogenic gene fusions occur across a broad range of cancers and are a defining feature of some cancer types. Cancers driven by gene fusion products tend to respond well to targeted therapies, where available; thus, detection of potentially targetable oncogenic fusions is necessary to select optimal treatment. Detection methods include non-sequencing methods, such as fluorescence in situ hybridization and immunohistochemistry, and sequencing methods, such as DNA- and RNA-based next-generation sequencing (NGS).

While NGS is an efficient way to analyze multiple genes of interest at once, economic and technical factors may preclude its use in routine care globally, despite several guideline recommendations. The aim of this review is to present a summary of oncogenic gene fusions, with a focus on fusions that affect tyrosine kinase signaling, and to highlight the importance of testing for oncogenic fusions.

We present an overview of the identification of oncogenic gene fusions and therapies approved for the treatment of cancers harboring gene fusions, and summarize data regarding treating fusion-positive cancers with no current targeted therapies and clinical studies of fusion-positive cancers. Although treatment options may be limited for patients with rare alterations, healthcare professionals should identify patients most likely to benefit from oncogenic gene fusion testing and initiate the appropriate targeted therapy to achieve optimal treatment outcomes.

Gene expression, DNA sequencing, genetic mutations, genome editing, CRISPR technology, transcription factors, RNA splicing, epigenetics, genetic engineering, molecular biology, gene therapy, hereditary traits, DNA replication, genomics, proteomics, personalized medicine, single nucleotide polymorphisms, gene regulation, genetic disorders

#GeneExpression, #DNASequencing, #GeneticMutations, #GenomeEditing, #CRISPR, #TranscriptionFactors, #RNASplicing, #Epigenetics, #GeneticEngineering, #MolecularBiology, #GeneTherapy, #HereditaryTraits, #DNAReplication, #Genomics, #Proteomics, #PersonalizedMedicine, #SNPs, #GeneRegulation, #GeneticDisorders, #GeneMapping


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