Oh Young Bang, Eun Hee Kim, Mi Jeong Oh, Jaein Yoo, Gyun Sik Oh, Jong-Won Chung, Woo-Keun Seo, Gyeong-Moon Kim, Myung-Ju Ahn, Seong Wook Yang
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The XENO-QTM miRNA assay technology was used to determine the absolute copy numbers of individual miRNAs in an external validation cohort.</p><p><strong>Results: </strong>This study recruited 220 patients, of which 45 had cancer-stroke, 76 were healthy controls, 39 were cancer controls, and 60 were stroke controls. Three miRNAs (miR-205-5p, miR-645, and miR-646) were specifically incorporated into microvesicles in patients with cancer-related stroke, cancer controls, and stroke controls. The area under the receiver operating characteristic curves of these three miRNAs were 0.7692-0.8510 for the differentiation of patients with cancer-stroke from cancer-controls and 0.8077-0.8846 for the differentiation of patients with cancer-stroke from stroke controls. The levels of several miRNAs were elevated in the plasma exosomes of patients with cancer, but were lower than those in plasma microvesicles. An in vivo study showed that systemic injection of miR-205-5p promoted the development of arterial thrombosis and elevation of D-dimer levels.</p><p><strong>Conclusion: </strong>Stroke due to cancer-related coagulopathy was associated with deregulated expression of miRNAs, particularly microvesicle-incorporated miR-205-5p, miR-645, and miR-646. Further prospective studies of extracellular-vesicle-incorporated miRNAs are required to confirm the diagnostic role of miRNAs in patients with stroke and to screen the roles of miRNAs in patients with cancer.</p>","PeriodicalId":17135,"journal":{"name":"Journal of Stroke","volume":"25 2","pages":"251-265"},"PeriodicalIF":6.0000,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/3d/60/jos-2022-02327.PMC10250879.pdf","citationCount":"3","resultStr":"{\"title\":\"Circulating Extracellular-Vesicle-Incorporated MicroRNAs as Potential Biomarkers for Ischemic Stroke in Patients With Cancer.\",\"authors\":\"Oh Young Bang, Eun Hee Kim, Mi Jeong Oh, Jaein Yoo, Gyun Sik Oh, Jong-Won Chung, Woo-Keun Seo, Gyeong-Moon Kim, Myung-Ju Ahn, Seong Wook Yang\",\"doi\":\"10.5853/jos.2022.02327\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background and purpose: </strong>This study aimed to evaluate whether extracellular-vesicle-incorporated microRNAs (miRNAs) are potential biomarkers for cancer-related stroke.</p><p><strong>Methods: </strong>This cohort study compared patients with active cancer who had embolic stroke of unknown sources (cancer-stroke group) with patients with only cancer, patients with only stroke, and healthy individuals (control groups). The expression profiles of miRNAs encapsulated in plasma exosomes and microvesicles were evaluated using microarray and validated using quantitative real-time polymerase chain reaction. The XENO-QTM miRNA assay technology was used to determine the absolute copy numbers of individual miRNAs in an external validation cohort.</p><p><strong>Results: </strong>This study recruited 220 patients, of which 45 had cancer-stroke, 76 were healthy controls, 39 were cancer controls, and 60 were stroke controls. Three miRNAs (miR-205-5p, miR-645, and miR-646) were specifically incorporated into microvesicles in patients with cancer-related stroke, cancer controls, and stroke controls. The area under the receiver operating characteristic curves of these three miRNAs were 0.7692-0.8510 for the differentiation of patients with cancer-stroke from cancer-controls and 0.8077-0.8846 for the differentiation of patients with cancer-stroke from stroke controls. The levels of several miRNAs were elevated in the plasma exosomes of patients with cancer, but were lower than those in plasma microvesicles. An in vivo study showed that systemic injection of miR-205-5p promoted the development of arterial thrombosis and elevation of D-dimer levels.</p><p><strong>Conclusion: </strong>Stroke due to cancer-related coagulopathy was associated with deregulated expression of miRNAs, particularly microvesicle-incorporated miR-205-5p, miR-645, and miR-646. 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Circulating Extracellular-Vesicle-Incorporated MicroRNAs as Potential Biomarkers for Ischemic Stroke in Patients With Cancer.
Background and purpose: This study aimed to evaluate whether extracellular-vesicle-incorporated microRNAs (miRNAs) are potential biomarkers for cancer-related stroke.
Methods: This cohort study compared patients with active cancer who had embolic stroke of unknown sources (cancer-stroke group) with patients with only cancer, patients with only stroke, and healthy individuals (control groups). The expression profiles of miRNAs encapsulated in plasma exosomes and microvesicles were evaluated using microarray and validated using quantitative real-time polymerase chain reaction. The XENO-QTM miRNA assay technology was used to determine the absolute copy numbers of individual miRNAs in an external validation cohort.
Results: This study recruited 220 patients, of which 45 had cancer-stroke, 76 were healthy controls, 39 were cancer controls, and 60 were stroke controls. Three miRNAs (miR-205-5p, miR-645, and miR-646) were specifically incorporated into microvesicles in patients with cancer-related stroke, cancer controls, and stroke controls. The area under the receiver operating characteristic curves of these three miRNAs were 0.7692-0.8510 for the differentiation of patients with cancer-stroke from cancer-controls and 0.8077-0.8846 for the differentiation of patients with cancer-stroke from stroke controls. The levels of several miRNAs were elevated in the plasma exosomes of patients with cancer, but were lower than those in plasma microvesicles. An in vivo study showed that systemic injection of miR-205-5p promoted the development of arterial thrombosis and elevation of D-dimer levels.
Conclusion: Stroke due to cancer-related coagulopathy was associated with deregulated expression of miRNAs, particularly microvesicle-incorporated miR-205-5p, miR-645, and miR-646. Further prospective studies of extracellular-vesicle-incorporated miRNAs are required to confirm the diagnostic role of miRNAs in patients with stroke and to screen the roles of miRNAs in patients with cancer.
Journal of StrokeCLINICAL NEUROLOGYPERIPHERAL VASCULAR DISE-PERIPHERAL VASCULAR DISEASE
CiteScore
11.00
自引率
3.70%
发文量
52
审稿时长
12 weeks
期刊介绍：
The Journal of Stroke (JoS) is a peer-reviewed publication that focuses on clinical and basic investigation of cerebral circulation and associated diseases in stroke-related fields. Its aim is to enhance patient management, education, clinical or experimental research, and professionalism. The journal covers various areas of stroke research, including pathophysiology, risk factors, symptomatology, imaging, treatment, and rehabilitation. Basic science research is included when it provides clinically relevant information. The JoS is particularly interested in studies that highlight characteristics of stroke in the Asian population, as they are underrepresented in the literature.
The JoS had an impact factor of 8.2 in 2022 and aims to provide high-quality research papers to readers while maintaining a strong reputation. It is published three times a year, on the last day of January, May, and September. The online version of the journal is considered the main version as it includes all available content. Supplementary issues are occasionally published.
The journal is indexed in various databases, including SCI(E), Pubmed, PubMed Central, Scopus, KoreaMed, Komci, Synapse, Science Central, Google Scholar, and DOI/Crossref. It is also the official journal of the Korean Stroke Society since 1999, with the abbreviated title J Stroke.
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