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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.4
- 수록면
- 186 - 199 (14page)
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초록· 키워드
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BACKGROUD/OBJECTIVES: Resveratrol, a natural polyphenolic compound, has potent antioxidant and anti-inflammatory properties, leading to beneficial effects against cardiovascular diseases. The purpose of this study was to determine whether resveratrol induces protective effects against aging-induced cardiac remodeling, mitochondrial dysfunction, and mitochondria-mediated apoptosis in the heart.
MATERIALS/METHODS: Thirty-two male Fischer 344 rats were divided into 4 groups: 2 groups that were orally treated with resveratrol (50 mg/kg/day) for 6 weeks (young and old resveratrol groups), and 2 control groups (young and old control groups). Mitochondrial function and mitochondria-mediated apoptotic pathway were analyzed in cardiac muscle fibers from the left ventricle.
RESULTS: Resveratrol significantly reduced cardiac hypertrophy and remodeling in aging hearts. In addition, resveratrol significantly ameliorated aging-induced mitochondrial dysfunction (e.g., decreased oxygen respiration and increased hydrogen peroxide emission) and mitochondria-dependent apoptotic signaling (the Bax/Bcl-2 ratio, mitochondrial permeability transition pore opening sensitivity, and cleaved caspase-3 protein levels). Resveratrol also significantly attenuated aging-induced apoptosis (determined via cleaved caspase-3 staining and TUNEL-positive myonuclei) in cardiac muscles.
CONCLUSION: This study demonstrates that resveratrol treatment has a beneficial effect on aging-induced cardiac remodeling by ameliorating mitochondrial dysfunction and inhibiting mitochondria-mediated apoptosis in the heart.
MATERIALS/METHODS: Thirty-two male Fischer 344 rats were divided into 4 groups: 2 groups that were orally treated with resveratrol (50 mg/kg/day) for 6 weeks (young and old resveratrol groups), and 2 control groups (young and old control groups). Mitochondrial function and mitochondria-mediated apoptotic pathway were analyzed in cardiac muscle fibers from the left ventricle.
RESULTS: Resveratrol significantly reduced cardiac hypertrophy and remodeling in aging hearts. In addition, resveratrol significantly ameliorated aging-induced mitochondrial dysfunction (e.g., decreased oxygen respiration and increased hydrogen peroxide emission) and mitochondria-dependent apoptotic signaling (the Bax/Bcl-2 ratio, mitochondrial permeability transition pore opening sensitivity, and cleaved caspase-3 protein levels). Resveratrol also significantly attenuated aging-induced apoptosis (determined via cleaved caspase-3 staining and TUNEL-positive myonuclei) in cardiac muscles.
CONCLUSION: This study demonstrates that resveratrol treatment has a beneficial effect on aging-induced cardiac remodeling by ameliorating mitochondrial dysfunction and inhibiting mitochondria-mediated apoptosis in the heart.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
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