Comprehensive analysis reveals NOP receptor's pharmacology with a focus on Gα subunits, suggesting the need for new chemotypes.
This study provides a comprehensive fingerprint of NOP receptor pharmacology at the single-transducer level. The lack of marked G protein bias at the NOP receptor, more pronounced than for the classical opioid receptors, may reflect a combination of intrinsic receptor properties and assay limitations. These findings underscore the need for innovative chemotypes and complementary experimental strategies to fully resolve potential transducer bias at the NOP receptor.
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Malfacini et al. (2026) studied this question.
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