The mRNA-edited form of GABRA3 suppresses GABRA3-mediated Akt activation and breast cancer metastasis

作者: Kiranmai Gumireddy , Anping Li , Andrew V. Kossenkov , Masayuki Sakurai , Jinchun Yan

DOI: 10.1038/NCOMMS10715

关键词: PI3K/AKT/mTOR pathwayCellMetastasisCell migrationCancer researchBiologyReceptorProtein kinase BBreast cancerGABRA3Immunology

摘要: Metastasis is a critical event affecting breast cancer patient survival. To identify molecules contributing to the metastatic process, we analysed The Cancer Genome Atlas (TCGA) data and identified 41 genes whose expression inversely correlated with Here show that GABAA receptor alpha3 (Gabra3), normally exclusively expressed in adult brain, also cancer, high of Gabra3 being We demonstrate activates AKT pathway promote cell migration, invasion metastasis. Importantly, find an A-to-I RNA-edited form only non-invasive cancers edited suppresses A-to-I-edited has reduced surface activation required for migration invasion. Our study demonstrates significant role mRNA-edited

参考文章(53)
K. Katsu, K. Maemura, Masahito Watanabe, K. Oki, Y. Shibayama, N. Shiraishi, Gamma-aminobutyric acid (GABA) and cell proliferation: focus on cancer cells. Histology and Histopathology. ,vol. 21, pp. 1135- 1141 ,(2006) , 10.14670/HH-21.1135
Jennifer L. Hood, Ronald B. Emeson, Editing of Neurotransmitter Receptor and Ion Channel RNAs in the Nervous System Current Topics in Microbiology and Immunology. ,vol. 353, pp. 61- 90 ,(2011) , 10.1007/82_2011_157
MO Poulter, JL Barker, AM O'Carroll, SJ Lolait, LC Mahan, Differential and transient expression of GABAA receptor alpha-subunit mRNAs in the developing rat CNS. The Journal of Neuroscience. ,vol. 12, pp. 2888- 2900 ,(1992) , 10.1523/JNEUROSCI.12-08-02888.1992
Chammiran Daniel, Helene Wahlstedt, Johan Ohlson, Petra Björk, Marie Öhman, Adenosine-to-Inosine RNA Editing Affects Trafficking of the γ-Aminobutyric Acid Type A (GABAA) Receptor Journal of Biological Chemistry. ,vol. 286, pp. 2031- 2040 ,(2011) , 10.1074/JBC.M110.130096
Hwa Jin Lee, Brian A. Wall, Janet Wangari-Talbot, Seung-Shick Shin, Stephen Rosenberg, Joseph L-K. Chan, Jin Namkoong, James S. Goydos, Suzie Chen, Glutamatergic Pathway Targeting in Melanoma: Single-Agent and Combinatorial Therapies Clinical Cancer Research. ,vol. 17, pp. 7080- 7092 ,(2011) , 10.1158/1078-0432.CCR-11-0098
R. W. Wagner, J. E. Smith, B. S. Cooperman, K. Nishikura, A double-stranded RNA unwinding activity introduces structural alterations by means of adenosine to inosine conversions in mammalian cells and Xenopus eggs. Proceedings of the National Academy of Sciences of the United States of America. ,vol. 86, pp. 2647- 2651 ,(1989) , 10.1073/PNAS.86.8.2647
Weidong Yang, Qingde Wang, Stephen J Kanes, John M Murray, Kazuko Nishikura, Altered RNA editing of serotonin 5-HT2C receptor induced by interferon: implications for depression associated with cytokine therapy Molecular Brain Research. ,vol. 124, pp. 70- 78 ,(2004) , 10.1016/J.MOLBRAINRES.2004.02.010