RBFOX3 and metabolic dysfunction-associated steatohepatitis: Furthermore, immunofluorescence studies of HMGB1 with brain cell specific markers CD11b, GFAP, CD31, and NeuN showed significantly increased co-localization of HMGB1 with CD31 and CD11b confirmed glial and endothelial localization of HMGB1 similar to Lcn2 in NASH (Fig. 4c, d).