Article (Scientific journals)
Melatonin Alters the miRNA Transcriptome of Inflammasome Activation in Murine Microglial Cells.
Tarakcioglu, Emre; TASTAN, Bora; Arioz, Burak I et al.
2022In Neurochemical Research, 47 (10), p. 3202 - 3211
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Keywords :
ATP; LPS; Melatonin; Microglia; NLRP3 inflammasome; microRNA; Inflammasomes; Lipopolysaccharides; MicroRNAs; NLR Family, Pyrin Domain-Containing 3 Protein; Adenosine Triphosphate; Adenosine Triphosphate/metabolism; Animals; Inflammasomes/metabolism; Inflammation/metabolism; Lipopolysaccharides/toxicity; Mice; Microglia/metabolism; NLR Family, Pyrin Domain-Containing 3 Protein/metabolism; Transcriptome; Melatonin/metabolism; Melatonin/pharmacology; MicroRNAs/metabolism; Inflammation; Biochemistry; Cellular and Molecular Neuroscience
Abstract :
[en] Systemic inflammation can have devastating effects on the central nervous system via its resident immune cells, the microglia. One of the primary mediators of this inflammation is inflammasomes, multiprotein complexes that trigger a release of inflammatory proteins when activated. Melatonin, a hormone with anti-inflammatory effects, is an attractive candidate for suppressing such inflammation. In this study, we have investigated how melatonin alters the microRNA (miRNA) transcriptome of microglial cells. For that purpose, we have performed RNA sequencing on a lipopolysaccharide and adenosine triphosphate (LPS + ATP) induced NLR family pyrin domain containing 3 (NLRP3) inflammasome activation model in the N9 mouse microglial cell line, with and without melatonin pre-treatment. We have identified 136 differentially expressed miRNAs in cells exposed to LPS + ATP compared to controls and 10 differentially expressed miRNAs in melatonin pre-treated cells compared to the inflammasome group. We have identified miR-155-3p as a miRNA that is upregulated with inflammasome activation and downregulated with melatonin treatment. We further confirmed this pattern of miR-155-3p expression in the brains of mice injected intraperitoneally with LPS. Moreover, an overexpression study with miRNA-155-3p mimic supported the idea that the protective effects of melatonin in NLRP3 inflammasome activation are partly associated with miRNA-155-3p inhibition.
Disciplines :
Life sciences: Multidisciplinary, general & others
Author, co-author :
Tarakcioglu, Emre;  Izmir Biomedicine and Genome Center, 35340, Izmir, Balcova, Turkey ; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340, Izmir, Turkey
TASTAN, Bora  ;  University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) > Neuroinflammation Group ; Izmir Biomedicine and Genome Center, 35340, Izmir, Balcova, Turkey ; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340, Izmir, Turkey
Arioz, Burak I;  Izmir Biomedicine and Genome Center, 35340, Izmir, Balcova, Turkey ; Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, 35340, Izmir, Turkey
Tufekci, Kemal Ugur;  Department of Health Care Services, Vocational School of Health Services, Izmir Democracy University, 35290, Izmir, Turkey ; Center for Brain and Neuroscience Research, Izmir Democracy University, 35290, Izmir, Turkey
Genc, Sermin ;  Izmir Biomedicine and Genome Center, 35340, Izmir, Balcova, Turkey. sermin.genc@deu.edu.tr ; Department of Neuroscience, Institute of Health Sciences, Dokuz Eylul University, 35340, Izmir, Turkey. sermin.genc@deu.edu.tr
External co-authors :
yes
Language :
English
Title :
Melatonin Alters the miRNA Transcriptome of Inflammasome Activation in Murine Microglial Cells.
Publication date :
October 2022
Journal title :
Neurochemical Research
ISSN :
0364-3190
eISSN :
1573-6903
Publisher :
Springer, United States
Volume :
47
Issue :
10
Pages :
3202 - 3211
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
The study was funded by Dokuz Eylul University Department of Scientific Research Projects (DEU-BAP, Project No: 2018.KB.SAG.078).
Available on ORBilu :
since 04 October 2023

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