Abstract
Von Hippel-Lindau (VHL) is the most frequently mutated gene in clear cell renal carcinoma. Here, we identified a novel translational variant of VHL, termed VHLα, initiated from an alternative translational start site upstream and in frame with the ATG start codon. We showed that VHLα interacts with and regulates heterogeneous nuclear ribonucleoprotein A2B1 (hnRNPA2B1), which consequently modulates pyruvate kinase transcript splicing and reprograms cellular glucose metabolism. Our study demonstrated that a novel VHL isoform may function as a tumor suppressor through inhibiting the Warburg effect.
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This study was supported by a Natural Science Foundation of China grant (81472606) and the National Research Program of China (973 Program, 2011CB812400).
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YBL: conception and design, acquisition of data, analysis and interpretation of data, and drafting the manuscript; HXY and FFZ: acquisition of data; LL and SC: acquisition of data and analysis and interpretation of data; and LC: conception and design, analysis and interpretation of data, and drafting the manuscript.
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Liu, Y., Yang, H., Li, L. et al. A novel VHLα isoform inhibits Warburg effect via modulation of PKM splicing. Tumor Biol. 37, 13649–13657 (2016). https://doi.org/10.1007/s13277-016-5191-y
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DOI: https://doi.org/10.1007/s13277-016-5191-y