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  Article

  GAD1 Upregulation Programs Aggressive Features of Cancer Cell Metabolism in the Brain Metastatic Microenvironment
  

  Author(s):

  Patricia M. Schnepp, Dennis D. Lee, Ian H. Guldner, Treasa K. O'Tighearnaigh, Erin N. Howe, Bhavana Palakurthi, Kaitlyn E. Eckert, Tiffany A. Toni, Brandon L. Ashfeld, Siyuan Zhang

  Abstract:

  The impact of altered amino acid metabolism on cancer progression is not fully understood. We hypothesized that a metabolic transcriptome shift during metastatic evolution is crucial for brain metastasis. Here, we report a powerful impact in this setting caused by epigenetic upregulation of glutamate decarboxylase 1 (GAD1), a regulator of the GABA neurotransmitter metabolic pathway. In cell-based culture and brain metastasis models, we found that downregulation of the DNA methyltransferase DN…

  Date Published:

  2017-04