“…Beneficial effects of FMT include preserved intestinal barrier function, improved intestinal motility, production of SCFA or a reduced number of pro-inflammatory bacterial strains in the gut [ 181 , 182 , 183 ]. The potential benefit of FMT was reported, e.g., in obesity, cardiovascular disorders, epilepsy and cognitive impairment [ 184 , 185 , 186 , 187 ]. In the animal MPTP model of PD, FMT was shown to improve the composition of the gut microbiota, decrease α-synuclein expression, inhibit microglial activation in SN, block pro-inflammatory signaling pathways and reduce behavioral changes [ 188 , 189 ].…”