EdU incorporation to assess cell proliferation and drug susceptibility for the brain-eating amoeba, Naegleria fowleri

作者: Emma V Troth , Dennis E Kyle

DOI: 10.1101/2021.01.07.425827

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摘要: Abstract Naegleria fowleri is a pathogenic free-living amoeba that commonly found in warm, freshwater and can cause rapidly fulminant disease known as primary amoebic meningoencephalitis (PAM). New drugs are urgently needed to treat PAM, the fatality rate >97%. Until recently, few advances have been made discovery of new for N. one drawback lack validated tools methods enhance drug diagnostics research. In this study we aimed validate alternative assess cell proliferation used other types develop novel screening assay evaluate efficacy on replication. EdU (5-ethynyl-2′-deoxyuridine) pyrimidine analog thymidine be quantitative endpoint proliferation. incorporation detected via copper catalyzed click reaction with an Alexa Fluor linked azide. replicating was using fluorescence microscopy assessing were developed by imaging flow cytometer. Currently PAM therapeutics inhibited replication vitro. EdA (5′ethynyl-2′-deoxyadenosine), adenine analog, also incorporated fowleri, but more cytotoxic than EdU. summary, could complimentary method these neglected pathogens.

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