Fig. 3
From: Acute onset of anti-IgLON5 disease with meningeal enhancement: a case report

Detection of anti-IgLON5 Antibody IgG. (A) An indirect immunofluorescence assay utilizing cell based assay method demonstrate an immunofluorescent reaction between the patient’s CSF and IgLON5-transfected cells at a dilution of 1:100. (B) Subsequent re-evaluation of IgLON5 antibody IgG reveals a reduction in titer to 1:10