Isoflurane Alleviates Myocardial Injury Induced by Hypoxia/Reoxygenation by Regulating miR-18a-5p
Abstract The protective effect and mechanism of isoflurane on myocardial injury was investigated by constructing in vitro hypoxia/reoxygenation (HR) cell model. HR cell models were established in vitro and treated with isoflurane (ISO). qRT-PCR was used to detect the relative expression of miR-18a-5p. CCK-8 kit and flow cytometry were performed to evaluate cell proliferation and apoptosis. The myocardial injury related markers, such as Cκ-MB, cTnI and LDH were detected by ELISA. Luciferase reporter gene assay was used to verify the interaction between miR-18a-5p and target genes. The expression of miR-18a-5p was significantly increased in hypoxic cardiomyocytes compared with control group (P < 0.001). Meanwhile, cardiomyocytes in the HR group showed inhibition of proliferation, a significant increase in cell apoptosis and in myocardial injury indicators, such as Cκ-MB, cTnI and LDH (P < 0.001). However, 1% ISO treatment alleviated myocardial cell injury induced by HR. Transfection of miR-18a-5p under ISO reduced the protective effect of 1% ISO against myocardial cell damage. Luciferase report gene assay confirmed that CCND2 might be the target gene of miR-18a-5p. In the in vitro cell model of myocardium, ISO alleviated cardiomyocyte injury caused by hypoxia/reoxygenation by down-regulating the expression of miR-18a-5p..
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E-Artikel |
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Erscheinungsjahr: |
2021 |
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Erschienen: |
2021 |
Enthalten in: |
Zur Gesamtaufnahme - volume:21 |
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Enthalten in: |
Cardiovascular toxicology - 21(2021), 10 vom: 28. Juni, Seite 800-807 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Su, Yujie [VerfasserIn] |
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Links: |
Volltext [lizenzpflichtig] |
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Themen: |
Anmerkungen: |
© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021 |
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doi: |
10.1007/s12012-021-09670-1 |
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funding: |
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PPN (Katalog-ID): |
SPR044943768 |
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520 | |a Abstract The protective effect and mechanism of isoflurane on myocardial injury was investigated by constructing in vitro hypoxia/reoxygenation (HR) cell model. HR cell models were established in vitro and treated with isoflurane (ISO). qRT-PCR was used to detect the relative expression of miR-18a-5p. CCK-8 kit and flow cytometry were performed to evaluate cell proliferation and apoptosis. The myocardial injury related markers, such as Cκ-MB, cTnI and LDH were detected by ELISA. Luciferase reporter gene assay was used to verify the interaction between miR-18a-5p and target genes. The expression of miR-18a-5p was significantly increased in hypoxic cardiomyocytes compared with control group (P < 0.001). Meanwhile, cardiomyocytes in the HR group showed inhibition of proliferation, a significant increase in cell apoptosis and in myocardial injury indicators, such as Cκ-MB, cTnI and LDH (P < 0.001). However, 1% ISO treatment alleviated myocardial cell injury induced by HR. Transfection of miR-18a-5p under ISO reduced the protective effect of 1% ISO against myocardial cell damage. Luciferase report gene assay confirmed that CCND2 might be the target gene of miR-18a-5p. In the in vitro cell model of myocardium, ISO alleviated cardiomyocyte injury caused by hypoxia/reoxygenation by down-regulating the expression of miR-18a-5p. | ||
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