Mutations in Drosophila Swiss cheese (SWS) or its vertebrate orthologue neuropathy target esterase (NTE). respectively. cause progressive neuronal degeneration in Drosophila and mice and a complex syndrome in humans that includes mental retardation. spastic paraplegia and blindness. https://www.roneverhart.com/Air-Music-Technology-Vacuum-Pro-Virtual-Instrument-p8397/