Expression and Possible Mechanism of circular RNA rno_CIRCpedia_1953 in Deep Venous Thrombosis (RNA)
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ABSTRACT:
PROVIDER: PRJNA623910 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11511074_1.fastq.gz | Fastqsanger.gz | |||
| SRR11511074_2.fastq.gz | Fastqsanger.gz | |||
| SRR11511075_1.fastq.gz | Fastqsanger.gz | |||
| SRR11511075_2.fastq.gz | Fastqsanger.gz | |||
| SRR11511076_1.fastq.gz | Fastqsanger.gz |
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Project description:Expression and Possible Mechanism of circular RNA rno_CIRCpedia_1953 in Deep Venous Thrombosis (circular RNA)
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Project description:Expression and Possible Mechanism of circular RNA rno_CIRCpedia_1953 in Deep Venous Thrombosis
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Project description:Purpose: To explore the possible pathogenesis of venous thromboembolism from the perspective of circRNAs. Methods: The thrombus model of inferior vena cava in SD rats was established by stenosis method. Peripheral blood samples of DVT rats were collected at 1h, 6h,12h and 3d, which were sequenced with Illumina circRNAs and mRNA. The differential circRNAs and mRNA were analyzed by STEM analysis software. Clusters that can reflect the evolution of thrombus were selected for in-depth analysis, and circRNAs and mRNA were screened according to the pathway enrichment analysis of the selected clusters. Real time fluorescent quantitative PCR (qPCR) was used to verify and determine the candidate circRNAs and mRNA. The function of target circRNA was verified in DVT rats. The interacting miRNAs of circRNAs and mRNA were predicted by online database respectively. Candidate miRNAs were identified by integrating the related information of miRNAs and verified by qPCR. Results:The SD rat model of deep venous thrombosis was successfully established by the stenosis method. In model group, there were 736, 3691, 3406 and 2639 circRNAs up-regulated and 944, 327, 318 and 397 circRNAs down-regulated at 1h, 6h, 12h and 3d, respectively. Compared with Sham group, 169, 885, 298 and 500 mRNA were up-regulated and 231, 291,75 and 73 mRNA were down-regulated at 1h, 6h, 12h and 3d in model group, respectively. STEM analysis found that cluster 45 was similar to thrombus development. The pathway related to platelet function was selected in cluster 45, and 10 circrRNAs and 4 interacting mRNAs were selected for qPCR verification by combining the gene in platelet pathway and annotation gene of cluster 45 and mRNA-circRNA interaction network. According to qPCR results and whether ID is found in rat circRNA database (CIRCpedia-V2), CBT15_circR_3235 (ID in circpedia-v2: rno_CIRCpedia_1953) is determined as the target circRNA. In vivo，knockdown of rno_CIRCpedia_1953 attenuates the formation of DVT in rats. The potential target miRNAs of rno_CIRCpedia_1953 and Tuba4a were predicted by using online miRDB and miRWalk databases respectively, and rno-miR-3543, rno-miR-320-5p and rno-miR-26b-3p are preliminarily identified as potential target miRNAs that rno_CIRCpedia_1953 may combine to play the ceRNA mechanism. Conclusions: Animal model of DVT in rats was successfully established by stenosis method. High-throughput sequencing analysis of circRNAs showed that circRNAs participated in the evolution of DVT. According to STEM functional analysis of mRNA sequencing, a target circRNA rno_CIRCpedia _1953 was screened, verified and identified. rno_CIRCpedia_1953 may participate in the development of DVT by acting as miRNA molecular sponge.
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Project description:Purpose: To explore the possible pathogenesis of venous thromboembolism from the perspective of circRNAs. Methods: The thrombus model of inferior vena cava in SD rats was established by stenosis method. Peripheral blood samples of DVT rats were collected at 1h, 6h,12h and 3d, which were sequenced with Illumina circRNAs and mRNA. The differential circRNAs and mRNA were analyzed by STEM analysis software. Clusters that can reflect the evolution of thrombus were selected for in-depth analysis, and circRNAs and mRNA were screened according to the pathway enrichment analysis of the selected clusters. Real time fluorescent quantitative PCR (qPCR) was used to verify and determine the candidate circRNAs and mRNA. The function of target circRNA was verified in DVT rats. The interacting miRNAs of circRNAs and mRNA were predicted by online database respectively. Candidate miRNAs were identified by integrating the related information of miRNAs and verified by qPCR. Results:The SD rat model of deep venous thrombosis was successfully established by the stenosis method. In model group, there were 736, 3691, 3406 and 2639 circRNAs up-regulated and 944, 327, 318 and 397 circRNAs down-regulated at 1h, 6h, 12h and 3d, respectively. Compared with Sham group, 169, 885, 298 and 500 mRNA were up-regulated and 231, 291,75 and 73 mRNA were down-regulated at 1h, 6h, 12h and 3d in model group, respectively. STEM analysis found that cluster 45 was similar to thrombus development. The pathway related to platelet function was selected in cluster 45, and 10 circrRNAs and 4 interacting mRNAs were selected for qPCR verification by combining the gene in platelet pathway and annotation gene of cluster 45 and mRNA-circRNA interaction network. According to qPCR results and whether ID is found in rat circRNA database (CIRCpedia-V2), CBT15_circR_3235 (ID in circpedia-v2: rno_CIRCpedia_1953) is determined as the target circRNA. In vivo，knockdown of rno_CIRCpedia_1953 attenuates the formation of DVT in rats. The potential target miRNAs of rno_CIRCpedia_1953 and Tuba4a were predicted by using online miRDB and miRWalk databases respectively, and rno-miR-3543, rno-miR-320-5p and rno-miR-26b-3p are preliminarily identified as potential target miRNAs that rno_CIRCpedia_1953 may combine to play the ceRNA mechanism. Conclusions: Animal model of DVT in rats was successfully established by stenosis method. High-throughput sequencing analysis of circRNAs showed that circRNAs participated in the evolution of DVT. According to STEM functional analysis of mRNA sequencing, a target circRNA rno_CIRCpedia _1953 was screened, verified and identified. rno_CIRCpedia_1953 may participate in the development of DVT by acting as miRNA molecular sponge.
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Project description:Arterial and venous (A/V) thrombosis constitutes the greatest source of morbidity and mortality worldwide. Long considered as distinct entities, accumulating evidence indicates that A/V thrombosis can occur in the same populations suggesting that common mechanisms are likely operative. Although hyperactivation of the immune system is a common forerunner to the genesis of thrombotic events in both vascular systems, the key molecular control points remain poorly understood. Consequently, anti-thrombotic therapies targeting the immune system for therapeutic gain are lacking. Here we show that neutrophils are key effectors of both A/V thrombosis and can be targeted via novel immunoregulatory nanoparticles. Using antiphopholipid antibody syndrome (APS) as a model for devastating A/V thrombosis, we identified the transcription factor Krüppel-like factor 2 (KLF2) as a key regulator of neutrophil activation. Upon activation via genetic loss of KLF2 or administration of antiphospholipid antibodies, neutrophils cluster P-selectin glycoprotein ligand 1 (PSGL-1) via cortical actin remodeling, thereby increasing adhesion potential at thrombosis sites. Targeting clustered PSGL-1 using designer nanoparticles attenuates neutrophil-mediated A/V thrombosis in APS and KLF2 knockout models, illustrating the importance and feasibility of targeting activated neutrophils to prevent pathological thrombosis. Together, our results demosntrate a role for activated neutrophils to prevent pathological thrombosis. Together, our results demonstrate a role for activated neutorphils in both arterial and venous thrombosis and identify key molecular events that serve as potential targets for therapeutics against diverse causes of immunothrombosis.
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