TMEM106B and Parkinson disease: Finally, a very recent work showed high expression of the transmembrane protein 106B (TMEM106B) gene in SH-SY5Y cells and the substantia nigra of mice, which were both treated with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) or its derivative 1-methyl-4-phenylpyridinium (MPP+) to mimic PD.