HCRT and narcolepsy: There have been many attempts [13] to identify antibody targets in narcolepsy, and others have identified hypothalamic hormone peptides [23] or orexin neuron-specific transcripts [24] that might prove to be narcolepsy-specific antibody targets, but immunostaining of rodent brain here only showed antibody binding to brain tissue in four of the post-vaccination narcolepsy children, and the binding was not orexin-cell specific.