Evidence map›Paper›PMID 39334900›Full record

ArticleBiomolecules2024

The Endocannabinoid Peptide RVD-Hemopressin Is a TRPV1 Channel Blocker.

Constanza Suárez-Suárez, Sebastián González-Pérez, Valeria Márquez-Miranda, Ingrid Araya-Duran, Isabel Vidal-Beltrán, Sebastián Vergara, Ingrid Carvacho, Fernando Hinostroza

Abstract read
In one paragraph

Article in Biomolecules, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Review
  2. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Constanza Suárez-SuárezFacultad de Ciencias Agrarias y Forestales, Universidad Católica del Maule, Talca 3460000, Chile.
Sebastián González-PérezFacultad de Ciencias Agrarias y Forestales, Universidad Católica del Maule, Talca 3460000, Chile.
Valeria Márquez-MirandaCenter for Bioinformatics and Integrative Biology (CBIB), Universidad Andrés Bello, Santiago 8370146, Chile.
Ingrid Araya-DuranCenter for Bioinformatics and Integrative Biology (CBIB), Universidad Andrés Bello, Santiago 8370146, Chile.
Isabel Vidal-BeltránCentro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca 3460000, Chile.
Sebastián VergaraDepartamento de Medicina Traslacional, Facultad de Medicina, Universidad Católica del Maule, Talca 3460000, Chile.
Ingrid CarvachoDepartamento de Medicina Traslacional, Facultad de Medicina, Universidad Católica del Maule, Talca 3460000, Chile.
Fernando HinostrozaCentro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca 3460000, Chile.

Funding

Agencia Nacional de Investigación y Desarrollo SA772100065
6 · The paper itself

Abstract

Neurotransmission is critical for brain function, allowing neurons to communicate through neurotransmitters and neuropeptides. RVD-hemopressin (RVD-Hp), a novel peptide identified in noradrenergic neurons, modulates cannabinoid receptors CB1 and CB2. Unlike hemopressin (Hp), which induces anxiogenic behaviors via transient receptor potential vanilloid 1 (TRPV1) activation, RVD-Hp counteracts these effects, suggesting that it may block TRPV1. This study investigates RVD-Hp's role as a TRPV1 channel blocker using HEK293 cells expressing TRPV1-GFP. Calcium imaging and patch-clamp recordings demonstrated that RVD-Hp reduces TRPV1-mediated calcium influx and TRPV1 ion currents. Molecular docking and dynamics simulations indicated that RVD-Hp interacts with TRPV1's selectivity filter, forming stable hydrogen bonds and van der Waals contacts, thus preventing ion permeation. These findings highlight RVD-Hp's potential as a therapeutic agent for conditions involving TRPV1 activation, such as pain and anxiety.

Indexed as

EndocannabinoidsTRPV Cation ChannelsCalciumHEK293 CellsHemoglobinsHumansMolecular Docking SimulationMolecular Dynamics SimulationPeptide FragmentsCalciumEndocannabinoidsHemoglobinshemopressinPeptide FragmentsTRPV1 protein, humanTRPV Cation Channelscalcium imagingmolecular dynamics simulationspatch-clamp electrophysiologyRVD-hemopressinTRPV1 channel

Identifiers

PMID39334900
PMCPMC11430712

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.