Co occurring alterations in the known nsclc driver genes egfr and mnng hos. The rise of the fgfr inhibitor in advanced biliary cancer. Tumor heterogeneity and acquired drug resistance in fgfr2fusion. The best supported top ranked fusion event was an interchromosomal fusion comprising a portion of the tyrosine kinase receptor fgfr2 with pphln1, a gene involved in epithelial differentiation. Comprehensive molecular profiling of intrahepatic and extrahepatic. Fgfr2clip1 fusion gene variant and the secondary fgfr2 mutation identified in the pa tient have also been deposited to clinvar s. The modaplex fgfr gene fusion analysis kit is a pcrbased multiplex assay for the qualitative detection of gene fusions in fgfr1, fgfr2, and fgfr3. Interestingly, a variety of fgfr2 gene fusions have been recently identified in icca. Fgfr2 fibroblast growth factor receptor 2 gene gtr ncbi. Through a prospective clinical sequencing program for advanced cancers, four index cases were identified which harbor gene rearrangements of. Recurrent gene fusions are an important class of driver mutation in cancer as exemplified by the bcrabl gene fusion which characterizes. Created by chromosomal translocation, numerous fgfr2 fusion proteins have been identified. Fibroblast growth factor receptors are related proteins that are involved in important processes such as cell growth and division proliferation, cell maturation differentiation, formation of blood vessels angiogenesis, wound healing, and embryonic development. Box plot spans the first to third quartiles and whiskers show the 1.
A fulllength representative protein consists of an extracellular region, composed of three immunoglobulinlike. Arid1a 23 % bap1 20%, tp53 20% and fgfr2 gene fusions 14%. It can occur as a result of translocation, interstitial deletion, or chromosomal inversion. A metabolic function of fgfr3tacc3 gene fusions in cancer. Fibroblast growth factor receptor 2 tyrosine kinase fusions define a. Fusion genes have been found to be prevalent in all main types of human neoplasia. Agfusion is a python package for annotating gene fusions from the human or mouse genomes. Agfusion simply needs the reference genome, the two gene partners, and the fusion junction coordinates as input, and outputs the following. Fibroblast growth factor receptor 2 fusions as a target.
Identification of targetable fgfr gene fusions in diverse. Identification of targetable fgfr gene fusions in diverse cancers. Gene fusions are an important class of driver mutations that play a vital role in certain cancer 34. Tumor heterogeneity and acquired drug resistance in fgfr2. Identification of a novel driver oncogene and applying it to targeted therapies for. Arid1a 23% bap1 20%, tp53 20% and fgfr2 gene fusions 14%. Cooccurring alterations in the known nsclc driver genes egfr and mnng hos.
The identification of these fusion genes play a prominent role in being a diagnostic and prognostic marker. The protein encoded by this gene is a member of the fibroblast growth factor receptor family, where amino acid sequence is highly conserved between members and throughout evolution. The fgfr fusions detected have persistently exhibited substantial dimerization domain contributions from the 3. A fusion gene is a hybrid gene formed from two previously independent genes. Functions of fgfr2 corrupted by translocations in intrahepatic. The varscan2 software was employed in above analyses because of their. For instance, the bcrabl fusion gene mutation is critical in. Fgfr family members differ from one another in their ligand affinities and tissue distribution.
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