Treating depression and depression-like behavior with physical activity: an immune perspective
Eyre, Harris, Papps, Evan, and Baune, Bernhard T. (2013) Treating depression and depression-like behavior with physical activity: an immune perspective. Frontiers in Psychiatry, 4. 3. pp. 1-27.
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Abstract
The increasing burden of major depressive disorder makes the search for an extended understanding of etiology, and for the development of additional treatments highly significant. Biological factors may be useful biomarkers for treatment with physical activity (PA), and neurobiological effects of PA may herald new therapeutic development in the future. This paper provides a thorough and up-to-date review of studies examining the neuroimmunomodulatory effects of PA on the brain in depression and depression-like behaviors. From a neuroimmune perspective, evidence suggests PA does enhance the beneficial and reduce the detrimental effects of the neuroimmune system. PA appears to increase the following factors: interleukin (IL)-10, IL-6 (acutely), macrophage migration inhibitory factor, central nervous system-specific autoreactive CD4+ T cells, M2 microglia, quiescent astrocytes, CX3CL1, and insulin-like growth factor-1. On the other hand, PA appears to reduce detrimental neuroimmune factors such as: Th1/Th2 balance, pro-inflammatory cytokines, C-reactive protein, M1 microglia, and reactive astrocytes. The effect of other mechanisms is unknown, such as: CD4+CD25+ T regulatory cells (T regs), CD200, chemokines, miRNA, M2-type blood-derived macrophages, and tumor necrosis factor (TNF)-α [via receptor 2 (R2)]. The beneficial effects of PA are likely to occur centrally and peripherally (e.g., in visceral fat reduction). The investigation of the neuroimmune effects of PA on depression and depression-like behavior is a rapidly developing and important field.
Item ID: | 25652 |
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Item Type: | Article (Research - C1) |
ISSN: | 1664-0640 |
Keywords: | physical activity, exercise, depression, psychiatry, immune, neurobiology |
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Date Deposited: | 28 May 2013 23:11 |
FoR Codes: | 11 MEDICAL AND HEALTH SCIENCES > 1109 Neurosciences > 110999 Neurosciences not elsewhere classified @ 100% |
SEO Codes: | 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920410 Mental Health @ 100% |
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