Progress in neuro-psychopharmacology & biological psychiatry · 2026
Potential role of 5-HT7 receptor antagonists in the treatment of depression: Pharmacological and bioengineering perspectives.
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Dhar Arghya Kusum, Keswani Ruchi, Anitha Kuttiappan, Pathak Gauri, Nigade Aryaa, Bhatt Shvetank
Аннотация
PURPOSE OF REVIEW: Targeting serotonergic receptors, as well as the serotonin uptake, is a relevant treatment approach for the treatment of depression. The 5-hydroxytryptamine 7 receptor (5-HT7R) is a G-protein coupled receptor belonging to the serotonergic receptor family, which has received a lot of attention due to its association with mood, circadian rhythm, and cognition. This review discusses the potential of 5-HT7R antagonists to treat depression, especially focusing on the pharmacological and bioengineering approaches.
RECENT FINDINGS: The 5-HT7R is rather common in the central and peripheral tissues, such as in the brain, gastric tract, and vascular system. It primarily signals through the Gαs/cAMP pathway, although alternative Gα12-mediated signaling has also been reported. Preclinical studies show that selective 5-HT7R antagonists cause a reduction in the duration of immobility in rodent models, including the forced swim test (FST) and tail suspension test (TST), and have antidepressant-like action in the olfactory bulbectomy model of depression. Recent advances highlight the relevance of bioengineered experimental platforms and targeted drug delivery strategies to improve mechanistic understanding and optimize central nervous system (CNS)-specific modulation of 5-HT7R.
SUMMARY: Accumulating evidence supports the therapeutic relevance of 5-HT7R antagonists in depression. Transforming receptor-delivering drug-targeted therapy together with bioengineering, human-relevant experimental models, and CNS-centred delivery systems could enhance translational understanding and therapeutic optimization. Collectively, these developments make 5-HT7R antagonism a promising direction of the future antidepressant research.
RECENT FINDINGS: The 5-HT7R is rather common in the central and peripheral tissues, such as in the brain, gastric tract, and vascular system. It primarily signals through the Gαs/cAMP pathway, although alternative Gα12-mediated signaling has also been reported. Preclinical studies show that selective 5-HT7R antagonists cause a reduction in the duration of immobility in rodent models, including the forced swim test (FST) and tail suspension test (TST), and have antidepressant-like action in the olfactory bulbectomy model of depression. Recent advances highlight the relevance of bioengineered experimental platforms and targeted drug delivery strategies to improve mechanistic understanding and optimize central nervous system (CNS)-specific modulation of 5-HT7R.
SUMMARY: Accumulating evidence supports the therapeutic relevance of 5-HT7R antagonists in depression. Transforming receptor-delivering drug-targeted therapy together with bioengineering, human-relevant experimental models, and CNS-centred delivery systems could enhance translational understanding and therapeutic optimization. Collectively, these developments make 5-HT7R antagonism a promising direction of the future antidepressant research.