Abstract
Fluorescence lifetime imaging microscopy-fluorescence resonance energy transfer (FLIM-FRET) technique is a novel tool to study protein-protein interaction combining FRET detection, lifetime measurements, and high-resolution imaging. This chapter describes a FLIM-FRET protocol for the detection and quantification of heterogeneous huntingtin aggregates in HeLa cells co-transfected with huntingtin variants containing polyglutamine tracts of different lengths.
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