Drug-Resistant Temporal Lobe Epilepsy Alters the Expression and Functional Coupling to Gαi/o Proteins of CB1 and CB2 Receptors in the Microvasculature of the Human Brain.

CB1 receptors CB2 receptors blood-brain barrier drug-resistance endocannabinoid system mesial temporal lobe epilepsy

Journal

Frontiers in behavioral neuroscience
ISSN: 1662-5153
Titre abrégé: Front Behav Neurosci
Pays: Switzerland
ID NLM: 101477952

Informations de publication

Date de publication:
2020
Historique:
received: 29 09 2020
accepted: 10 12 2020
entrez: 8 2 2021
pubmed: 9 2 2021
medline: 9 2 2021
Statut: epublish

Résumé

Cannabinoid receptors 1 and 2 (CB1 and CB2, respectively) play an important role in maintaining the integrity of the blood-brain barrier (BBB). On the other hand, BBB dysfunction is a common feature in drug-resistant epilepsy. The focus of the present study was to characterize protein expression levels and Gαi/o protein-induced activation by CB1 and CB2 receptors in the microvascular endothelial cells (MECs) isolated from the brain of patients with drug-resistant mesial temporal lobe epilepsy (DR-MTLE). MECs were isolated from the hippocampus and temporal neocortex of 12 patients with DR-MTLE and 12 non-epileptic autopsies. Immunofluorescence experiments were carried out to determine the localization of CB1 and CB2 receptors in the different cell elements of MECs. Protein expression levels of CB1 and CB2 receptors were determined by Western blot experiments. [

Identifiants

pubmed: 33551765
doi: 10.3389/fnbeh.2020.611780
pmc: PMC7854549
doi:

Types de publication

Journal Article

Langues

eng

Pagination

611780

Informations de copyright

Copyright © 2021 Nuñez-Lumbreras, Castañeda-Cabral, Valle-Dorado, Sánchez-Valle, Orozco-Suárez, Guevara-Guzmán, Martínez-Juárez, Alonso-Vanegas, Walter, Deli, Carmona-Cruz and Rocha.

Déclaration de conflit d'intérêts

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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Auteurs

María de Los Ángeles Nuñez-Lumbreras (MLÁ)

Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados, Mexico City, Mexico.

José Luis Castañeda-Cabral (JL)

Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados, Mexico City, Mexico.

María Guadalupe Valle-Dorado (MG)

Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados, Mexico City, Mexico.

Vicente Sánchez-Valle (V)

Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados, Mexico City, Mexico.

Sandra Orozco-Suárez (S)

Unidad de Investigación Médica en Enfermedades Neurológicas, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico.

Rosalinda Guevara-Guzmán (R)

Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico.

Iris Martínez-Juárez (I)

Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez (INNNMVS), Mexico City, Mexico.

Mario Alonso-Vanegas (M)

Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez (INNNMVS), Mexico City, Mexico.
Centro Internacional de Cirugía de Epilepsia, Hospital HMG-Coyoacán, Mexico City, Mexico.

Fruzsina Walter (F)

Institute of Biophysics, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary.

Maria A Deli (MA)

Institute of Biophysics, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary.

Francia Carmona-Cruz (F)

Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados, Mexico City, Mexico.

Luisa Rocha (L)

Departamento de Farmacobiología, Centro de Investigación y de Estudios Avanzados, Mexico City, Mexico.

Classifications MeSH