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The role of α7 nicotinic receptors in depression: how they work and treatment possibilities
Updated
Abstract
The α7 nicotinic acetylcholine receptor (α7 nAChR) is highly expressed in emotion-regulating regions of the brain.
- α7 nAChR activation may exert antidepressant-like effects by influencing neurotransmitter activity.
- It is associated with increased expression of brain-derived neurotrophic factor (BDNF), which supports neuron health.
- Activation of α7 nAChR may reduce microglial activation and the release of proinflammatory cytokines.
- There is potential engagement with gut-brain-axis pathways that could affect mood and behavior.
- Current challenges include varied research findings and insufficient clinical studies to support effective treatment translation.
Simplified
Gut-Brain Axis