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Inducible expression of tau in N2a cells. The panel on the left illustrates that the expression of tau can be switched on by doxycyclin, followed by aggregation (note the high‐molecular weight smear in the gel; s = soluble tau, p = aggregated tau). Expression of tau and aggregates can be reversed by removal of doxycyclin. The panel on the right shows expression of tau (red) and formation of aggregates, as seen by thioflavin S staining (green).
