Mitochondria, oligodendrocytes and inflammation in bipolar disorder: Evidence from transcriptome studies points to intriguing parallels with multiple sclerosis

► Literature review of gene expression studies of bipolar disorder. ► Comparison to data from schizophrenia and major depressive disorder. ► All three disorders show major overlaps in their transcriptome profiles. ► Genes involved in energy metabolism, inflammation and myelination are highlighted. ► Multiple sclerosis models could be of interest for psychiatry research.