Article Figures & Data
Figures
- Figure 1 Full-length MOG cell-based assay using a serum dilution of 1:160 as a cutoff for positivity (red line in both plots)
(A) Myelin olidgodendrocyte glycoprotein antibodies (MOG-Abs) were detected in a range of childhood demyelination syndromes but not in aquaporin-4 (AQP4)-Ab–positive neuromyelitis optica patients (0/100) or adults with multiple sclerosis (MS) (0/100). There was no correlation between MOG-Ab titer at onset and acquired demyelinating syndrome phenotype (A) or patient age (B). ADEM = acute disseminated encephalomyelitis; CIS = clinically isolated syndrome; ON = optic neuritis; TM = transverse myelitis.
- Figure 2 Summary of the utility of MOG-Abs and OCB testing in predicting pediatric disease course at onset compared to clinical follow-up at 1 year
Following testing with either myelin olidgodendrocyte glycoprotein antibody (MOG-Ab) or oligoclonal blands (OCBs), the additional testing of the respective other is represented by arrows to the respective outcomes. A MOG-Ab–positive test predicted a non–multiple sclerosis (MS) diagnosis, whereas OCB positivity was highly predictive of MS. Eleven of 15 OCB- positive patients developed MS (73%), whereas 11 of 14 OCB-positive and MOG-Abs–negative patients developed MS (79%). The one MOG-Ab–positive and OCB-positive patient did not have MS, and all MOG-Ab–positive and OCB-negative cases had a non-MS course, compared to 91% if only OCB was negative. Of the 14 patients not tested for intrathecal OCBs, 7 patients tested positive for MOG-Ab; 2 patients from the antibody-positive and 2 from the antibody-negative groups had a diagnosis of MS at 1-year follow-up. ADEM = acute disseminated encephalomyelitis; CIS = clinically isolated syndrome; N/D = not done; ON = optic neuritis; TM = transverse myelitis.
- Figure 3 Two of 23 MOG-Ab–positive patients were diagnosed with MS compared to 16/42 MOG-Ab–negative patients (p = 0.02, Fisher exact test)
As myelin oligodendrocyte glycoprotein antibodies (MOG-Abs) were only tested retrospectively, identification of the antibodies did not influence the final diagnosis. One hundred adult patients with multiple sclerosis (MS) and 100 adults with aquaporin-4 (AQP4)-Ab–positive neuromyelitis optica were all MOG-Ab negative. ADEM = acute disseminated encephalomyelitis; CIS = clinically isolated syndrome; ON = optic neuritis; TM = transverse myelitis.
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