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Target intelligence / Profile preview
G protein-coupled receptor 19 (GPR19)
- Target
- GPR19
- Molecular classification
- G protein-coupled receptor, Receptor, Class A/1 (Rhodopsin-like) GPCR, Integral membrane protein
01
Overview
G protein-coupled receptor 19 (GPR19) is a member of the Class A/1 rhodopsin-like family of G protein-coupled receptors. It is considered an orphan receptor because its endogenous ligand has not been definitively identified, though adropin has been proposed as a candidate. GPR19 functions primarily as a signal transducer located in the plasma membrane and may play roles in regulating circadian rhythms and energy metabolism. Expression studies suggest involvement in neuronal development and possible overexpression in certain cancers. Its precise physiological functions and potential as a therapeutic target remain under active investigation.
- Other names
- Probable G-protein coupled receptor 19Orphan receptor (contextual, not a formal alias)
02
Biological functions
Signal transductionRegulation of circadian rhythmsEnergy metabolism regulationPotential modulation of stress responses and metabolic aging processes
03
Disease associations
Cancer (overexpression in some tumors)Metabolic disorders/aging (potential role suggested by recent research)
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