Title:The Role of Natural Products in Treatment of Depressive Disorder
Volume: 20
Issue: 5
Author(s): Tayebeh Noori, Antoni Sureda, Eduardo Sobarzo-Sánchez and Samira Shirooie*
Affiliation:
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah,
Iran
Keywords:
Depression, natural products, BDNF, HPA axis, monoamine neurotransmitters, depressive symptoms.
Abstract: Depressive disorder is one of the most common psychiatric syndromes that, if left untreated,
can cause many disturbances in a person's life. Numerous factors are involved in depression,
including inflammation, brain-derived neurotrophic factor (BDNF), GABAergic system, hypothalamic–
pituitary–adrenal (HPA) Axis, monoamine neurotransmitters (serotonin (5-HT), noradrenaline,
and dopamine). Common treatments for depression are selective serotonin reuptake inhibitors,
tricyclic antidepressants, and monoamine oxidase inhibitors, but these drugs have several side effects
such as anxiety, diarrhea, constipation, weight loss, and sexual dysfunctions. These agents only
reduce the symptoms and temporarily reduce the rate of cognitive impairment associated with depression.
As a result, extensive research has recently been conducted on the potential use of antidepressant
and sedative herbs. According to the available data, herbs used in traditional medicine can
be significantly effective in reducing depression, depressive symptoms and improving patients' performance.
The present study provides a summary of biomarkers and therapeutic goals of depression
and shows that natural products such as saffron or genipin have antidepressant effects. Some of the
useful natural products and their mechanisms were evaluated. Data on various herbs and natural isolated
compounds reported to prevent and reduce depressive symptoms is also discussed.