TSPO and multiple sclerosis: Feeney and co-workers found no significant effect of the TSPO gene polymorphism on any regional VT in a study with dynamic 18F-GE-180 PET in 10 healthy subjects (5 MAB and 5 HAB) [24], neither did Unterrainer and co-workers, performing static 18F-GE-180 PET in 19 patients with multiple sclerosis (3 LAB, 5 MAB, 11 HAB) [30].