Implementation of quantitative analytical approaches to image-based cellular assays remains a major challenge. We disclose a tool to achieve automatic rapid quantitative cellular imaging analysis based on uniform threshold intensity distribution. An acousto-optic tunable filter-based, quantitative multivariate imaging cytometer was set up to elucidate drug-induced cell death dynamics via cell viability and apoptosis/necrosis measurements in the human myeloid leukemia cell line, HL-60. Cells were treated with various drugs (camptothecin, naringenin, sodium salicylate) at different concentrations and time intervals. The developed protocol can directly depict and quantitate targeted cellular moieties, subsequently enabling a method that is applicable to various cellular assays with special reference to next generation drug discovery screening. This may also complement certain flow-cytometric measurements in studying quantitative physiology of cellular systems.
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