Supranuclear Palsy, Progressive, 2, is also known as psnp2, and has symptoms including muscle rigidity, photophobia and bradykinesia. An important gene associated with Supranuclear Palsy, Progressive, 2 is PSNP2 (Supranuclear Palsy, Progressive, 2). Affiliated tissues include cerebellum and brain, and related phenotypes are neuronal loss in central nervous system and diplopia