ReviewMolecular psychiatry2026
Reconciling the neurogenic hypothesis of depression with recent advances in adult hippocampal neurogenesis research in humans.
Review in Molecular psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
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Abstract
Depression is a highly prevalent mood disorder with a complex etiology that has yet to be fully characterized. Alterations in the generation of new granule neurons in the hippocampal dentate gyrus have been hypothesized to contribute to the pathophysiology of depression and recovery from this mood disorder, a theory coined the "neurogenic hypothesis of depression". This article revisits current evidence of this hypothesis in humans, which reveals varying perspectives from post-mortem studies. Drawing on recent findings in the field of human adult hippocampal neurogenesis, we also offer here potential research directions regarding how immature granule neurons, which have been so far understudied in this context, may be affected in the pathogenesis of depression. Finally, this review explores to what extent immature granule neurons are involved in the neurobiological basis of this mood disorder and how their properties may increase their vulnerability to stress-mediated changes in the hippocampus. Together, this review provides crucial insight into immature granule neurons as a particularly interesting therapeutic target to mitigate stress-related behavioural impairments.
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42754620What OpenQuestion holds
Registered trials
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