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Full-Text Articles in Medicine and Health Sciences
Cannabinoid Receptor Interacting Protein Suppresses Agonist-Driven Cb1 Receptor Internalization And Regulates Receptor Replenishment In An Agonist-Biased Manner, Lawrence C. Blumes, Sandra Leone-Kabler, Deborah J. Luessen, Glenn S. Marrs, Erica Lyons, Caroline E. Bass, Rong Chen, Dana E. Selley, Allyn C. Howlett
Cannabinoid Receptor Interacting Protein Suppresses Agonist-Driven Cb1 Receptor Internalization And Regulates Receptor Replenishment In An Agonist-Biased Manner, Lawrence C. Blumes, Sandra Leone-Kabler, Deborah J. Luessen, Glenn S. Marrs, Erica Lyons, Caroline E. Bass, Rong Chen, Dana E. Selley, Allyn C. Howlett
Neurology Publications
Cannabinoid receptor interacting protein 1a (CRIP1a) is a CB1 receptor (CB1R) distal C-terminus-associated protein that modulates CB1R signaling via G proteins, and CB1R down-regulation but not desensitization (Blume et al. [2015] Cell Signal., 27, 716-726; Smith et al. [2015] Mol. Pharmacol., 87, 747-765). In this study, we determined the involvement of CRIP1a in CB1R plasma membrane trafficking. To follow the effects of agonists and antagonists on cell surface CB(1)Rs, we utilized the genetically homogeneous cloned neuronal cell line N18TG2, which endogenously expresses both CB1R and CRIP1a, and exhibits a well-characterized endocannabinoid signaling system. We developed stable CRIP1a-over-expressing and CRIP1a-siRNA-silenced knockdown …