Expression of Mmus\wldN16-nmnat1.Scer\UAS under the control of Scer\GAL4Or22a.8197 has a protective effect on olfactory receptor neurons following axotomy:more than 90% of olfactory receptor neuron axons expressing Mmus\wldN16-nmnat1.Scer\UAS under the control of Scer\GAL4Or22a.8197 remain intact 20 days after injury.