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Eur Neuropsychopharmacol. 2017 Jun;27(6):554-559. doi: 10.1016/j.euroneuro.2017.04.001. Epub 2017 May 4.

Why are depressed patients inflamed? A reflection on 20 years of research on depression, glucocorticoid resistance and inflammation.

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Stress, Psychiatry and Immunology Laboratory (SPI-Lab), Stress, Psychiatry and Immunology Lab & Perinatal Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King׳s College London, G.32.01, The Maurice Wohl Clinical Neuroscience Institute, Cutcombe Road, London SE5 9RT, United Kingdom. Electronic address:


Studies over the last 20 years have demonstrated that increased inflammation and hyperactivity of the hypothalamic-pituitary-adrenal (HPA) axis are two of the most consistent biological findings in major depression and are often associated: but the molecular and clinical mechanisms underlying these abnormalities are still unclear. These findings are particularly enigmatic, especially considering the accepted notion that high levels of cortisol have an anti-inflammatory action, and therefore the coexistence of inflammation and hypercortisolemia in the same diagnostic group appears counter-intuitive. To celebrate the 2015 Anna-Monika Foundation Award to our laboratory, this review will discuss our own 20 years of research on the clinical and molecular evidence underlying the increased inflammation in depression, especially in the context of a hyperactive HPA axis, and discuss its implications for the pathogenesis and treatment of this disorder.


Antidepressants; Childhood trauma; Glucocorticoid receptor; HPA; Immunopsychiatry; Psychoneuroimmunology.; mRNA

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