(A), (B) - Fluorescence microscope images of monocytes which have taken up fluorescent alpha-synuclein-HiLyte™ Fluor 488 at 90minutes. Hoechst staining identifies cell nuclei. (a) 20X; (b) 40X.
(C), (D) - Monocyte fluorescent alpha-synuclein uptake in standard medium and in autologous serum – (C) percentage alpha-synuclein positive monocytes; (D) total monocyte MFI ratio. (Medium- Patients=35, Controls=35; Serum- Patients=27, Controls=28) (Patients=red; Controls=yellow).
(E),(F),(G),(H) - Alpha-synuclein and caspase-1 in monocyte 24 hour culture supernatants without (E)(F) and with (G)(H) LPS, in all participants and within risk groups. (Patients = red, Controls= yellow).
(All participants-Patients=18, Controls=20; Higher Risk Patients=15, Controls=16; Lower Risk Patients=3, Controls=4) (Patients=red; Controls=yellow).
(I), (J) Graphs showing significant relationship between alpha-synuclein and caspase-1 in serum (I) and monocyte lysates (J).
(K) ICICLE-Cambridge cohort - Relationship between alpha-synuclein and caspase-1 in plasma samples collected at study baseline.