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Alex Serafini  pointed out in his interview, Regulators of G protein Signaling (RGS proteins)  might GPCRs as tangential but inevitable: "I feel like I never was particularly explicitly interested in GPCR signaling Whether working on opioid withdrawal, addiction vulnerability, or chronic pain, GPCR-related signaling repeatedly emerged as the core mediator  — demonstrating the reach of these signaling pathways beyond signaling .

Questions about how opioids impair breathing, why xylazine complicates interventions, and how receptor-level While writing a literature review on opioid and alcohol addiction susceptibility, something shifted. “That was kind of a signal to me that maybe I should start thinking about a PhD,” Catherine recalls. She is especially interested in mu-opioid receptor signaling  and how xylazine, as an alpha-2 adrenergic Instead, she followed the signals that kept her engaged and energized.

October 2022 Coincident Regulation of PLCβ Signaling by Gq-Coupled and μOpioid Receptors Opposes Opioid The primary analgesic target of opioids is the μ-opioid receptor (MOR). Here we investigated a potential mechanism for regulation of PLC signaling downstream of MOR in HEK293 cells and found that MOR alone could not stimulate PLC, but rather required a coincident signal from These data support a model where Gq and Gβγ-dependent signaling cooperatively regulate PLC activation

John Streicher: Reorganizing Opioid Signaling Beyond the Receptor The dominant strategy for improving His team treats opioid signaling as a problem of circuit organization: the same kinases and second messengers therapeutic index, signal organization downstream of opioid receptors, and the unexpected effects of Scientific Themes of the Conversation Opioid signaling specificity as a problem of circuit organization John Streicher 01:49 From heart failure to opioids — a path through signaling 07:49 Why the mu receptor

Her research integrates behavioral pharmacology, ligand-directed signaling, and mouse models of migraine as fundamentally altered biological systems — and what that means for drug discovery Ligand-directed signaling Paul Clarck , where she studied opioid receptors. Brigitte Kieffer , where she studied ligand-directed signaling at the delta-opioid receptor. Amynah studied how arrestins regulate ligand-directed signaling at delta-opioid receptors, and it is

Modulators and Receptor Signaling Beyond the Membrane Opioid receptors belong to a class of GPCRs where Rather than measuring endpoint states, she learned to watch receptors move, internalize, and continue signaling , and therapeutic rationale Receptor internalization and post-endocytic signaling as a paradigm shift Von Zastrow's lab challenged this directly, demonstrating that GPCRs continue to generate signals after A readout that captures a downstream marker, a surrogate signal, or a population average can yield clean