Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/30091
Title: Comprehensive Analysis of Alternative Splicing Across Tumors from 8,705 Patients
Authors: KAHLES, AndreLEHMANN, Kjong-VanTOUSSAINT, Nora C.HUSER, MatthiasSTARK, Stefan G.SACHSENBERG, TimoSTEGLE, OliverKOHLBACHER, OliverSANDER, ChrisRATSCH, Gunnar
Citation: CANCER CELL, v.34, n.2, p.211-224.e6, 2018
Abstract: Our comprehensive analysis of alternative splicing across 32 The Cancer Genome Atlas cancer types from 8,705 patients detects alternative splicing events and tumor variants by reanalyzing RNA and whole-exome sequencing data. Tumors have up to 30% more alternative splicing events than normal samples. Association analysis of somatic variants with alternative splicing events confirmed known trans associations with variants in SF3B1 and U2AF1 and identified additional trans-acting variants (e.g., TADA1, PPP2R1A). Many tumors have thousands of alternative splicing events not detectable in normal samples; on average, we identified approximate to 930 exon-exon junctions (""neojunctions'') in tumors not typically found in GTEx normals. From Clinical Proteomic Tumor Analysis Consortium data available for breast and ovarian tumor samples, we confirmed approximate to 1.7 neojunction- and approximate to 0.6 single nucleotide variant-derived peptides per tumor sample that are also predicted major histocompatibility complex-I binders (""putative neoantigens'').
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