Long-term stress harms cells in the brain and body. Stressful experiences are believed to be closely associated with the development of psychological alterations and, thus, neuropsychiatric disorders.Beyond Antidepressants: Taking Stock of New Treatments
In conditions of chronic stress exposure, nerve cells in the hippocampus begin to atrophy. (The hippocampus is a part of the brain involved with emotions, learning, and memory formation.)
The new depression theories “should not be viewed as separate entities because they are highly interconnected,” researchers write.
“Integrating them provides for a more expansive understanding of the pathophysiology of depression and biomarkers that are involved.”
Such biomarkers are molecules in the body that can be indicators of depression. The authors identify more than a dozen potential biomarkers depression, including monoamine regulators; proinflammatory cytokines and other inflammatory mediators; mediators of glutaminergic activity and GABAergic activity; and regulators of neurogenesis.
A bevy of new depression treatments are currently offered or on the horizon include corticotropin-releasing hormone antagonists; dexamethasone; partial adrenalectomy; long-term cognitive behavioral therapy; ketamine and other NMDA antagonists. Other treatments include benzodiazepines; anesthetics; deep brain stimulation; transcranial magnetic stimulation; exogenous brain-derived neurotrophic factor; selective serotonin reuptake inhibitors; tricyclic antidepressants; atypical antidepressants; reduction in inflammation; and anti-inflammatory drugs.
среда, 19 февраля 2014 г.
Перспективные методы лечения депрессий
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