Nicola D Hanson

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The neurogenesis hypothesis of depression posits (1) that neurogenesis in the subgranular zone of the dentate gyrus is regulated negatively by stressful experiences and positively by treatment with antidepressant drugs and (2) that alterations in the rate of neurogenesis play a fundamental role in the pathology and treatment of major depression. This(More)
Several antidepressant drugs have previously been reported to increase neurogenesis in the dentate gyrus of the hippocampus in laboratory animals. We found no effect of the selective serotonin reuptake inhibitor fluoxetine or the corticotropin-releasing factor receptor 1 antagonist R121919(More)
Neurogenesis in the dentate gyrus of the hippocampus of adult laboratory animals has been widely reported to be vulnerable to many psychological and physical stressors. However, we have found no effects of acute restraint stress, acute or subchronic tailshock stress, or acute, subchronic, or chronic resident-intruder stress on neural progenitor cell (NPC)(More)
Mitogen-activated protein kinases (MAPKs), including Jun N-terminal kinase (JNK), promote inflammatory and proliferative responses to infection and other environmental stimuli including stress. Relevant to negative regulation of inflammatory pathways by glucocorticoids and the development of glucocorticoid resistance (observed in inflammatory disorders as(More)
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