Opioid peptide receptors and beta-adrenergic receptors cross-talk through shared G-protein signaling in the heart, modulating contractility, rhythm, and ischemic preconditioning — explaining cardiac opioid-sympathetic interactions.
Key findingCardiac opioid peptide receptors (delta, kappa) and beta-adrenergic receptors share G-protein signaling pathways, creating functional cross-talk that
What the researchers found
Cardiac opioid peptide receptors (delta, kappa) and beta-adrenergic receptors share G-protein signaling pathways, creating functional cross-talk that modulates contractility, arrhythmia susceptibility, and ischemic preconditioning cardioprotection.
Why it matters
Relevant for opioid-peptides, cardiovascular, receptor-signaling.
How the study worked
review study on opioid-peptides, cardiovascular.
What this study cannot tell us
See abstract.
How to read the evidence
moderate evidence.
When this study was published
Published in 2004.
The bigger picture
Advances peptide research.
Questions still open
- Further research needed.
- Clinical translation to evaluate.
Common questions
What was studied?
What was found?
Read the original research
Cross-talk of opioid peptide receptor and beta-adrenergic receptor signalling in the heart.
Cardiovascular research, 63(3), 414-22
Citation
Pepe, Salvatore; van den Brink, Olivier W V; Lakatta, Edward G; Xiao, Rui-Ping. (2004). Cross-talk of opioid peptide receptor and beta-adrenergic receptor signalling in the heart.. Cardiovascular research, 63(3), 414-22.