Development and characterization of a novel luciferase based cytotoxicity assay
SCIENTIFIC REPORTS(2018)
摘要
A simple, accurate, sensitive and robust assay that can rapidly and specifically measure the death of target cells would have applications in many areas of biomedicine and particularly for the development of novel cellular- and immune-therapeutics. In this study, we describe a novel cytotoxicity assay, termed the Matador assay, which takes advantage of the extreme brightness, stability and glow-like characteristics of recently discovered novel marine luciferases and their engineered derivatives. The assay involves expression of a luciferase of interest in target cells in a manner so that it is preferentially retained within the healthy cells but is either released from dead and dying cells or whose activity can be preferentially measured in dead and dying cells. We demonstrate that this assay is highly sensitive, specific, rapid, and can be performed in a single-step manner without the need for any expensive equipment. We further validate this assay by demonstrating its ability to detect cytotoxicity induced by several cellular and immune-therapeutic agents including antibodies, natural killer cells, chimeric antigen receptor expressing T cells and a bispecific T cell engager.
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关键词
Drug development,Haematological cancer,Tumour immunology,Science,Humanities and Social Sciences,multidisciplinary
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