How Do People Get Sporadic Fatal Insomnia?
How Do People Get Sporadic Fatal Insomnia? In all instances, FFI is caused by an abnormal variant in the prion-related protein (PRPN) gene, although sometimes, the disorder occurs randomly, without a variant PRPN gene (sporadic fatal insomnia, or SFI). The PRNP gene regulates the production of the human prion protein. Is there such a thing