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Open AccessArticle

Gene Expression Analysis of Astrocyte and Microglia Endocannabinoid Signaling during Autoimmune Demyelination

1
Department of Neurosciences, University of the Basque Country UPV/EHU, E-48940 Leioa, Spain
2
Achucarro Basque Center for Neuroscience, E-48940 Leioa, Spain
3
Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), E-28031 Madrid, Spain
4
Biocruces, Bizkaia, E-48903 Barakaldo, Spain
*
Author to whom correspondence should be addressed.
Biomolecules 2020, 10(9), 1228; https://doi.org/10.3390/biom10091228
Received: 22 June 2020 / Revised: 13 August 2020 / Accepted: 20 August 2020 / Published: 24 August 2020
(This article belongs to the Special Issue The Endocannabinoid System in Health and Disease)
The endocannabinoid system is associated with protective effects in multiple sclerosis (MS) that involve attenuated innate immune cell responses. Astrocytes and microglia are modulated by endocannabinoids and participate in the biosynthesis and metabolism of these compounds. However, the role of neuroglial cells as targets and mediators of endocannabinoid signaling in MS is poorly understood. Here we used a microfluidic RT-qPCR screen to assess changes in the expression of the main endocannabinoid signaling genes in astrocytes and microglia purified from female mice during the time-course of experimental autoimmune encephalomyelitis (EAE). We show that astrocytes and microglia upregulate the expression of genes encoding neurotoxic A1 and pro-inflammatory molecules at the acute disease with many of these transcripts remaining elevated during the recovery phase. Both cell populations exhibited an early onset decrease in the gene expression levels of 2-arachidonoylglycerol (2-AG) hydrolytic enzymes that persisted during EAE progression as well as cell-type-specific changes in the transcript levels for genes encoding cannabinoid receptors and molecules involved in anandamide (AEA) signaling. Our results demonstrate that astrocytes and microglia responses to autoimmune demyelination involve alterations in the expression of multiple endocannabinoid signaling-associated genes and suggest that this system may regulate the induction of neurotoxic and pro-inflammatory transcriptional programs in both cell types during MS. View Full-Text
Keywords: multiple sclerosis; EAE; astrocytes; microglia; endocannabinoids multiple sclerosis; EAE; astrocytes; microglia; endocannabinoids
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MDPI and ACS Style

Moreno-García, Á.; Bernal-Chico, A.; Colomer, T.; Rodríguez-Antigüedad, A.; Matute, C.; Mato, S. Gene Expression Analysis of Astrocyte and Microglia Endocannabinoid Signaling during Autoimmune Demyelination. Biomolecules 2020, 10, 1228. https://doi.org/10.3390/biom10091228

AMA Style

Moreno-García Á, Bernal-Chico A, Colomer T, Rodríguez-Antigüedad A, Matute C, Mato S. Gene Expression Analysis of Astrocyte and Microglia Endocannabinoid Signaling during Autoimmune Demyelination. Biomolecules. 2020; 10(9):1228. https://doi.org/10.3390/biom10091228

Chicago/Turabian Style

Moreno-García, Álvaro; Bernal-Chico, Ana; Colomer, Teresa; Rodríguez-Antigüedad, Alfredo; Matute, Carlos; Mato, Susana. 2020. "Gene Expression Analysis of Astrocyte and Microglia Endocannabinoid Signaling during Autoimmune Demyelination" Biomolecules 10, no. 9: 1228. https://doi.org/10.3390/biom10091228

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