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  • Author(s):
    Yide Zhang, Scott S. Howard, Cody J. Smith

    Super-resolution microscopy is broadening our in-depth understanding of cellular structure. However, super-resolution approaches are limited, for numerous reasons, from utilization in longer-term intravital imaging. We devised a combinatorial imaging technique that combines deconvolution with stepwise optical saturation microscopy (DeSOS) to circumvent this issue and image cells in their native physiological environment. Other than a traditional confocal or two-photon microscope, this approac…

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  • 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

    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…

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