The results here show a significantly higher α-synuclein/NAbs complex concentration in controls (423 ± 31.2 pg/ml) than in PD (350 ± 21.6 pg/ml; p = 0.042) and MSA (217 ± 34.7 pg/ml; p = 0.0001) patients (Fig. 7b). The gene discussed is SNCA; the disease is multiple system atrophy.