GLA and juvenile idiopathic arthritis: One of 89 (1.12%) patients (male, an admixture of Caucasian and Native South American, oligoarticular JIA with positive ANA with no previous treatment) presented diminished ⍺-GalA values (0,4 μmol/l/h) and abnormal lyso-Gb3 levels (67,8 ng/ml).