Furthermore, MTDs (e.g., Mito-apocynin and Mito-quinone) prevent hyposmia and loss of motor function in LRRK2 PD mice, and they inhibit MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine)-induced neurotoxicity in a PD mouse model29,30. The gene discussed is LRRK2; the disease is Parkinson disease.