Constitutive and ghrelin-dependent GHSR1a activation impairs CaV2.1 and CaV2.2 currents in hypothalamic neurons.
Quick Facts
What This Study Found
Constitutive and ghrelin-dependent activation of GHSR1a significantly impairs CaV2.1 and CaV2.2 calcium channel currents in hypothalamic neurons via distinct Gi/o and Gq protein pathways, respectively, leading to reduced GABA release.
Key Numbers
How They Did This
The study used rat and mouse hypothalamic neurons and a heterologous expression system to measure calcium channel currents under conditions of constitutive and ghrelin-stimulated GHSR1a activation. Electrophysiological recordings assessed channel activity and neurotransmitter release.
Why This Research Matters
Understanding how GHSR1a modulates calcium channels and neurotransmitter release helps clarify its role in brain signaling and could inform therapeutic strategies targeting metabolic and neurological disorders involving ghrelin signaling.
What This Study Doesn't Tell Us
The study does not specify the in vivo physiological consequences of these findings, and the evidence strength and study type were not clearly defined, limiting direct clinical translation.
Trust & Context
- Original Title:
- Constitutive and ghrelin-dependent GHSR1a activation impairs CaV2.1 and CaV2.2 currents in hypothalamic neurons.
- Published In:
- The Journal of general physiology, 146(3), 205-19 (2015)
- Authors:
- López Soto, Eduardo Javier, Agosti, Francina, Cabral, Agustina, Mustafa, Emilio Roman, Damonte, Valentina Martínez, Gandini, Maria Alejandra, Rodríguez, Silvia, Castrogiovanni, Daniel, Felix, Ricardo, Perelló, Mario, Raingo, Jesica
- Database ID:
- RPEP-02725
Evidence Hierarchy
Read More on RethinkPeptides
Related articles coming soon.
Cite This Study
https://rethinkpeptides.com/research/RPEP-02725APA
López Soto, Eduardo Javier; Agosti, Francina; Cabral, Agustina; Mustafa, Emilio Roman; Damonte, Valentina Martínez; Gandini, Maria Alejandra; Rodríguez, Silvia; Castrogiovanni, Daniel; Felix, Ricardo; Perelló, Mario; Raingo, Jesica. (2015). Constitutive and ghrelin-dependent GHSR1a activation impairs CaV2.1 and CaV2.2 currents in hypothalamic neurons.. The Journal of general physiology, 146(3), 205-19. https://doi.org/10.1085/jgp.201511383
MLA
López Soto, Eduardo Javier, et al. "Constitutive and ghrelin-dependent GHSR1a activation impairs CaV2.1 and CaV2.2 currents in hypothalamic neurons.." The Journal of general physiology, 2015. https://doi.org/10.1085/jgp.201511383
RethinkPeptides
RethinkPeptides Research Database. "Constitutive and ghrelin-dependent GHSR1a activation impairs..." RPEP-02725. Retrieved from https://rethinkpeptides.com/research/lopez-2015-constitutive-and-ghrelindependent-ghsr1a
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.