Matthew C. White

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The proteasome inhibitor bortezomib (Velcade) is a promising new agent for bladder cancer therapy, but inducible cytoprotective mechanisms may limit its potential efficacy. We used whole genome mRNA expression profiling to study the effects of bortezomib on stress-induced gene expression in a panel of human bladder cancer cell lines. Bortezomib induced(More)
The strong clinical activity of the proteasome inhibitor bortezomib (Velcade) in multiple myeloma and other hematological malignancies has focused considerable attention on its mechanisms of action. Although NFκB inhibition was initially the mechanism in focus, accumulating evidence indicates that misfolded protein accumulation leading to proteotoxicity(More)
The FDA has approved 31 small-molecule kinase inhibitors (KIs) for human use as of November 2016, with six having black box warnings for hepatotoxicity (BBW-H) in product labeling. The precise mechanisms and risk factors for KI-induced hepatotoxicity are poorly understood. Here, the 31 KIs were tested in isolated rat liver mitochondria, an in vitro system(More)
Human pluripotent stem cell-derived cardiomyocytes (PSC-CMs) are a promising human cardiac model system for drug development and toxicity screening, along with cell therapy and mechanistic research. The scalable differentiation of human PSCs into CMs provides a renewable cell source that overcomes species differences present in rodent primary CMs. In(More)
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