MAPT and tauopathy: To further investigate the effect of methocarbamol in different models of tauopathy, quantification of photoreceptor cell loss was analyzed in transgenic fish expressing either wild-type (rho:eGFP–tau-WT) or mutant tau-P301L (rho:eGFP–tau-P301L), a disease-causing variant that results in greater degeneration in our retinal models.