Early Life Stress in Depressive Patients: Role of Glucocorticoid and Mineralocorticoid Receptors and of Hypothalamic-Pituitary-Adrenal Axis Activity

Author(s): Mario Francisco Juruena, Cristiane Von Werne Baes, Itiana Castro Menezes, Frederico Guilherme Graeff

Journal Name: Current Pharmaceutical Design

Volume 21 , Issue 11 , 2015

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Depression is a chronic, recurrent and long-term disorder characterized by high rates of impairment and several comorbidities. Early life stress (ELS) is associated with the increased risk for developing depression in adulthood, influences its clinical course and predicts a poorer treatment outcome. Stressful life events play an important role in the pathogenesis of depression, being well established as acute triggers of psychiatric illness. The vulnerability for developing depression is associated to changes in neurobiological systems related to stress regulation. The hypothalamic-pituitaryadrenal (HPA) axis responds to external and internal stimuli. Reported results indicate that stress in early phases of development can induce persistent changes in the response of the HPA axis to stress in adulthood, leading to a raised susceptibility to depression. These abnormalities appear to be related to the HPA axis deregulation in depression, partially due to an imbalance between glucocorticoid receptors (GR) and mineral ocorticoid receptors (MR). While most studies have consistently demonstrated that GR function is impaired in major depression (reduced GR-mediated feedback in HPA axis), data about the MR role in depression are still limited and contr oversial. Thus, in this review article we summarize the main reported findings about the consequences of ELS in HPA axis functioning and in the responsivity of MR/GR receptors in depression.

Keywords: Early life stress, depression, glucocorticoid receptor, mineralocorticoid receptor, hypothalamic-pituitary-adrenal axis.

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Article Details

Year: 2015
Page: [1369 - 1378]
Pages: 10
DOI: 10.2174/1381612821666150105125500
Price: $65

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