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Molecular mechanisms of cannabinoid type II receptor agonists in a mouse model of psychological stress-induced cardiac injury revealed by whole transcriptomic analysis

ABSTRACT: Molecular mechanisms of cannabinoid type II receptor agonists in a mouse model of psychological stress-induced cardiac injury revealed by whole transcriptomic analysis

PROVIDER: PRJNA867671 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR20986909.fastq.gz	Fastqsanger.gz
	SRR20986910.fastq.gz	Fastqsanger.gz
	SRR20986911.fastq.gz	Fastqsanger.gz
	SRR20986912.fastq.gz	Fastqsanger.gz
	SRR20986913.fastq.gz	Fastqsanger.gz

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Project description:Background: Growing evidence has supported that chronic psychological stress would cause heart damage, However the mechanisms involved are not clear and effective interventions are insufficient. Cannabinoid type 2 receptor (CB2R) can be a potential treatment for cardiac injury. This study is aimed to investigate the protective mechanism of CB2R agonist against chronic psychological stress-induced cardiac injury. Methods: A mouse chronic psychological stress model was constructed based on a chronic unpredictable stress pattern. Mice were performed a three-week psychological stress procedure, and cardiac tissues of them were collected for whole-transcriptome sequencing. Overlap analysis was performed on differentially expressed mRNAs (DE-mRNAs) and ER stress-related genes (ERSRGs), and bioinformatic methods were used to predict the ceRNA networks and conduct pathway analysis. The expressions of the DE-ERSRGs were validated by RT-qPCR. Results: In the comparison of DE mRNA in Case group, Control group and Treatment group, three groups of ceRNA networks and ceRNA (circ) networks were constructed. The DE-mRNAs were mainly enriched in chromatid-relevant terms and Hematopoietic cell lineage pathway. Additionally, 13 DE-ERSRGs were obtained by the overlap analysis, which were utilized to establish a ceRNA network with 15 nodes and 14 edges and a ceRNA (circ) network with 23 nodes and 28 edges. Furthermore, four DE-ERSRGs (Cdkn1a, Atf3, Fkbp5, Gabarapl1) in the networks were key, which were mainly enriched in response to extracellular stimulus, response to nutrient levels, cellular response to external stimulus, and FoxO signaling pathway. Finally, the RT-qPCR results showed almost consistent expression patterns of 13 DE-ERSRGs between the transcriptome and tissue samples. Conclusion: The findings of this study provide novel insights into the molecular mechanisms of chronic psychological stress-induced cardiac diseases and reveal novel targets for the cardioprotective effects of CB2R agonists.

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Molecular mechanisms of cannabinoid type II receptor agonists in a mouse model of psychological stress-induced cardiac injury revealed by whole transcriptomic analysis

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