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. 2020 May 4;11(5):314. doi: 10.1038/s41419-020-2503-3

Fig. 2. Exogenous tau oligomers bind to postsynaptic marker.

Fig. 2

Neurons were exposed to AF568-tagged TauO (Red) from AD, PSP, or DLB for 1 h. Cells were immunolabeled with a presynaptic marker (Synapsin I, green) (a), a postsynaptic marker (PSD-95, green) (b), and a mature neuronal marker (βIII-tubulin, blue). Representative regions of interest are depicted in white rectangles with inserted high-magnification below. Scale bar is indicated. AD, PSP, or DLB TauO are located near the presynaptic marker. White arrows indicate AD, PSP, or DLB TauO co-localized with the postsynaptic marker. c Pearson’s correlation coefficient analysis of exogenous AD, PSP, and DLB TauO with pre- and postsynaptic markers over 1 h. Each treatment group was randomly imaged in five different regions of interest, and performed in triplicate. Image analyses were calculated by one-way ANOVA with Tukey’s multiple comparison test. Results showed as the value of mean ± SEM, ****p < 0.0001.