DLD and Parkinson disease: Klivenyi and Schmidt et al. found an increased sensitivity of dld-deficient mice to 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), malonic acid and 3-nitropropionic acid (3-NP), which are important tools for the construction of Parkinson’s disease models [41, 42].