HAMP and supranuclear palsy, progressive, 1: Analyzes on microglial-derived interleukins (Interleukins 1β and 6) and hepcidin in PSP-P and PSP-RS examined at the same stages revealed higher levels of interleukins in PSP-P in the CSF and serum and higher levels of hepcidin in PSP-RS [10,11].