Association of Cerebrospinal Fluid Aβ1-42, t-tau, p-tau181, and α-synuclein Levels with Clinical Features of Early Drug Naïve Parkinson’s Disease Patients

Kang JH, Irwin DJ, Chen-Plotkin AS, Siderowf A, Caspell C, Coffey CS, Waligorska T, Taylor P, Pan S, Frasier M, Marek K, Kieburtz K, Jennings D, Simuni T, Tanner CM, Singleton A, Toga AW, Chowdhury S, Mollenhauer B, Trojanowski JQ, Shaw LM and the Parkinson’s Progression Marker Initiative Investigators