Endogenous opioid system dysregulation in depression: implications for new therapeutic approaches

M Peciña, JF Karp, S Mathew, MS Todtenkopf… - Molecular …, 2019 - nature.com
Abstract The United States is in the midst of an opioid addiction and overdose crisis
precipitated and exacerbated by use of prescription opioid medicines. The majority of opioid …

Biased ligands of G protein-coupled receptors (GPCRs): Structure–functional selectivity relationships (SFSRs) and therapeutic potential

L Tan, W Yan, JD McCorvy, J Cheng - Journal of medicinal …, 2018 - ACS Publications
G protein-coupled receptors (GPCRs) signal through both G-protein-dependent and G-
protein-independent pathways, and β-arrestin recruitment is the most recognized one of the …

In vivo brain GPCR signaling elucidated by phosphoproteomics

JJ Liu, K Sharma, L Zangrandi, C Chen, SJ Humphrey… - Science, 2018 - science.org
INTRODUCTION The G protein–coupled receptor (GPCR) superfamily is a major drug target
for neurological diseases. Functionally selective agonists activate GPCRs, such as the …

Dynorphin/kappa opioid receptor signaling in preclinical models of alcohol, drug, and food addiction

A Karkhanis, KM Holleran, SR Jones - International review of neurobiology, 2017 - Elsevier
The dynorphin/kappa opioid receptor (KOR) system is implicated in the “dark side” of
addiction, in which stress exacerbates maladaptive responses to drug and alcohol …

Nalfurafine is a G-protein biased agonist having significantly greater bias at the human than rodent form of the kappa opioid receptor

SS Schattauer, JR Kuhar, A Song, C Chavkin - Cellular signalling, 2017 - Elsevier
Nalfurafine is a moderately selective kappa opioid receptor (KOR) analgesic with low
incidence of dysphoric side effects in clinical development for the treatment of uremic …

Functional selectivity at G-protein coupled receptors: Advancing cannabinoid receptors as drug targets

S Mallipeddi, DR Janero, N Zvonok… - Biochemical …, 2017 - Elsevier
The phenomenon of functional selectivity, whereby a ligand preferentially directs the
information output of a G-protein coupled receptor (GPCR) along (a) particular effector …

Selective κ receptor partial agonist HS666 produces potent antinociception without inducing aversion after icv administration in mice

M Spetea, SO Eans, ML Ganno… - British Journal of …, 2017 - Wiley Online Library
Background and purpose The κ receptor has a central role in modulating neurotransmission
in central and peripheral neuronal circuits that subserve pain and other behavioural …

Comprehensive overview of biased pharmacology at the opioid receptors: biased ligands and bias factors

J De Neve, TMA Barlow, D Tourwé, F Bihel… - RSC Medicinal …, 2021 - pubs.rsc.org
One of the main challenges in contemporary medicinal chemistry is the development of safer
analgesics, used in the treatment of pain. Currently, moderate to severe pain is still treated …

Opioid modulation of prefrontal cortex cells and circuits

RH Cole, K Moussawi, ME Joffe - Neuropharmacology, 2024 - Elsevier
Several neurochemical systems converge in the prefrontal cortex (PFC) to regulate cognitive
and motivated behaviors. A rich network of endogenous opioid peptides and receptors …

Docosahexaenoic acid modulates brain-derived neurotrophic factor via GPR40 in the brain and alleviates diabesity-associated learning and memory deficits in mice

C Sona, A Kumar, S Dogra, BA Kumar, D Umrao… - Neurobiology of …, 2018 - Elsevier
GPR40 (Free fatty acid receptor 1) has emerged as an important therapeutic target for
diabetes. Several studies have demonstrated the association of comorbid psychiatric …