A-to-I RNA Editing Contributes to Proteomic Diversity in Cancer

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Cancer Cell

Fecha de publicación: 14 May 2018

DOI: https://doi.org/10.1016/j.ccell.2018.03.026

Autores: Xinxin Peng, Xiaoyan Xu, Yumeng Wang, David H. Hawke, Shuangxing Yu, Leng Han, Zhicheng Zhou, Kamalika Mojumdar, Kang Jin Jeong, Marilyne Labrie, Yiu Huen Tsang…

Background: Adenosine (A) to inosine (I) RNA editing introduces many nucleotide changes in cancer transcriptomes. However, due to the complexity of post-transcriptional regulation, the contribution of RNA editing to proteomic diversity in human cancers remains unclear. Here, we performed an integrated analysis of TCGA genomic data and CPTAC proteomic data. Despite limited site diversity, we demonstrate that A-to-I RNA editing contributes to proteomic diversity in breast cancer through changes in amino acid sequences.

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