High-content fluorescence imaging with the metabolic flux assay reveals insights into mitochondrial properties and functions
AC Little, I Kovalenko, LE Goo, HS Hong… - Communications …, 2020 - nature.com
Communications biology, 2020•nature.com
Metabolic flux technology with the Seahorse bioanalyzer has emerged as a standard
technique in cellular metabolism studies, allowing for simultaneous kinetic measurements of
respiration and glycolysis. Methods to extend the utility and versatility of the metabolic flux
assay would undoubtedly have immediate and wide-reaching impacts. Herein, we describe
a platform that couples the metabolic flux assay with high-content fluorescence imaging to
simultaneously provide means for normalization of respiration data with cell number; …
technique in cellular metabolism studies, allowing for simultaneous kinetic measurements of
respiration and glycolysis. Methods to extend the utility and versatility of the metabolic flux
assay would undoubtedly have immediate and wide-reaching impacts. Herein, we describe
a platform that couples the metabolic flux assay with high-content fluorescence imaging to
simultaneously provide means for normalization of respiration data with cell number; …
Abstract
Metabolic flux technology with the Seahorse bioanalyzer has emerged as a standard technique in cellular metabolism studies, allowing for simultaneous kinetic measurements of respiration and glycolysis. Methods to extend the utility and versatility of the metabolic flux assay would undoubtedly have immediate and wide-reaching impacts. Herein, we describe a platform that couples the metabolic flux assay with high-content fluorescence imaging to simultaneously provide means for normalization of respiration data with cell number; analyze cell cycle distribution; and quantify mitochondrial content, fragmentation state, membrane potential, and mitochondrial reactive oxygen species. Integration of fluorescent dyes directly into the metabolic flux assay generates a more complete data set of mitochondrial features in a single assay. Moreover, application of this integrated strategy revealed insights into mitochondrial function following PGC1a and PRC1 inhibition in pancreatic cancer and demonstrated how the Rho-GTPases impact mitochondrial dynamics in breast cancer.
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