Abstract

Depressive disorders are complex, multifactorial disorders that have been traditionally attributed exclusively to neuronal abnormalities. However, recent studies have increased our understanding of the contribution of glial cells-and particularly of oligodendroglia-to the pathogenesis and treatment outcome of depression and stress-related disorders. This review scrutinizes recent studies focusing on the neurosupportive functions exerted by myelin and oligodendrocyte lineage cells and their disruption in depression and stress-related disorders. It also illustrates how myelin and oligodendroglia respond to antidepressants and non-pharmacological treatment alternatives and proposes oligodendroglia-directed approaches as novel therapeutic options for depressive disorders.

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