MAOA and major depressive disorder: Thanks to its ability to inhibit both MAO-A and MAO-B activity (Patsenka and Antkiewicz-Michaluk 2004) and to scavenge free radicals (Antkiewicz-Michaluk et al. 2006); 1MeTIQ may be useful not only for the therapy of neurodegenerative disease but also in the treatment of depression.