Clinical and Biochemical Manifestations of Depression: Relation to the Neurobiology of StressReport as inadecuate




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Neural Plasticity - Volume 2015 2015, Article ID 581976, 11 pages -

Review Article

National Institute of Mental Health Intramural Research Program, National Institutes of Health, Bethesda, MD 20892, USA

Unit on Molecular Hormone Action, Program in Reproductive and Adult Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA

Received 8 September 2014; Accepted 8 January 2015

Academic Editor: Ana C. Andreazza

Copyright © 2015 Phillip W. Gold et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Major depressive disorder MDD is a chronic, recurrent, and severe psychiatric disorder with high mortality and medical comorbidities. Stress-related pathways have been directly involved in the pathophysiology and treatment of MDD. The present paper provides an overview on the stress system as a model to understand key pathophysiological paradigms in MDD. These mechanisms involve behavioral, cognitive, and systemic manifestations and are also associated with the mechanisms of action of effective antidepressants. Aspects such as depression subtypes, inflammation, insulin resistance, oxidative stress, and prothrombotic states in critical brain circuits and periphery are critically appraised. Finally, new strategies for approaching treatment-resistant major depression and potential adverse effects associated with this complex and intricate network are highlighted. The authors used PubMed as the database for this review. Each author extracted relevant data and assessed the methodological quality of each study.





Author: Phillip W. Gold, Rodrigo Machado-Vieira, and Maria G. Pavlatou

Source: https://www.hindawi.com/



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