SDS gel electrophoresis and Western blotting were performed as described in our previous publications (53 (link), 54 (link)). Primary antibodies against AADC (rabbit polyclonal; Synaptic Systems; 1:1000), TH mouse monoclonal, clone 2 (mouse monoclonal, clone TH-2; Sigma; 1:5000), synaptophysin (mouse monoclonal, clone 2; BD Transduction Laboratories; 1:25,000), synapsin IIa (mouse monoclonal, clone 1; BD Transduction Laboratories; 1:5000), VAMP2 (mouse monoclonal, clone 69.1; Synaptic Systems; 1:1000), VMAT-2 (rabbit polyclonal; Sigma; 1:1000), α-synuclein (mouse monoclonal, clone 42; BD Transduction Laboratories; 1:500), β-synuclein (mouse monoclonal, clone 8; BD Transduction Laboratories; 1:5000), and γ-synuclein (rabbit polyclonal; SK23 (50 (link)); 1:1000), secondary horseradish peroxidase–conjugated antimouse or anti-rabbit antibodies (GE Healthcare; 1:3000), and ECL+ system (GE Healthcare) were used for detection of target proteins.
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