(a) Immunofluorescence for LAMP-2A and LAMP-1 of sections from the dorsal motor nuclei of the vagus nerves of brains from two different unaffected control (Ctr) individuals and two individuals with Parkinson's disease with the G/S LRRK2 mutation. Left: images from representative fields. Right: number of fluorescent puncta per cell. Black dots, values in individual cells; red lines, mean. 