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Target intelligence / Profile preview
Somatostatin Receptor Type 4 (SSTR4)
- Target
- SSTR4
- Molecular classification
- G protein-coupled receptor
01
Overview
Somatostatin Receptor Type 4 (SSTR4) is a G protein-coupled receptor that mediates the inhibitory effects of somatostatin on hormone secretion, modulates neuronal activity, and plays roles in metabolism, growth regulation, pain modulation, inflammation control, and potentially tumor suppression. It is a promising therapeutic target for chronic pain, inflammatory diseases, and certain cancers due to its antinociceptive and anti-inflammatory effects without significant impact on endocrine functions.
02
Mechanism of action
Activation by somatostatin leads to coupling with G proteins that inhibit adenylyl cyclase activity, resulting in decreased cyclic AMP (cAMP) levels within cells. Also functionally linked to activation of arachidonate release and mitogen‐activated protein kinase (MAPK) cascade pathways.
03
Biological functions
Inhibition of hormone secretionModulation of neuronal activityPain modulationInflammation controlAntiproliferative actions
04
Disease associations
Chronic pain conditionsInflammatory diseasesTumor suppression
05
Safety considerations
Potential for endocrine-related side effects if selectivity is not achieved (though SSTR4 is being targeted to avoid these)Off-target effects on other somatostatin receptor subtypes
06
Interacting drugs
Somatostatin-14 (SRIF-14)
7 more in the full profile.
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