지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.11
- 수록면
- 570 - 580 (11page)
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초록· 키워드
오류제보하기
Background: Myocardial ischemia/reperfusion (MI/R) injury is the main cause of death worldwide and poses a significant threat to cardiac health. Ginsenoside Rg1 has been shown to have inhibitory effects on inflammatory activation, oxidative stress, and cardiac injury, suggesting that Rg1 may have therapeutic effects on MI/R injury. However, the mechanism remains to be further studied.
Materials and methods: Left anterior descending coronary artery ligation was performed in Sprague-Dawley rats to construct an MI/R model in vivo. Organ index, electrocardiogram, infarct size, histopathological changes, and detection of cardiac injury and inflammatory factors in the rats were used to evaluate myocarditis, macrophage polarization, and fibrosis. We also used rat bone marrow-derived macrophages (BMDMs) to further investigate the effects of Rg1 on absent in melanoma 2 (AIM2) activation and macrophage polarization in vitro.
Results: Administration of Rg1 exhibited dose-dependent cardioprotective effects and effectively reduced MI/R injury. Rg1 significantly attenuated myocardial inflammation and inhibited M1 macrophage polarization during MI/R injury. Furthermore, Rg1 significantly reduced cardiac fibrosis in response to MI/R injury. This anti-fibrotic effect may contribute to the preservation of cardiac structure and function following an ischemic insult. Meanwhile, Rg1 effectively inhibited the activation of the AIM2 inflammasome in vitro, highlighting its potential as a key regulator of inflammatory pathways.
Conclusion: Our findings elucidate the multifaceted mechanisms underlying Rg1’s cardioprotective effects, including its ability to mitigate inflammation, modulate macrophage polarization, and inhibit fibrosis.
Materials and methods: Left anterior descending coronary artery ligation was performed in Sprague-Dawley rats to construct an MI/R model in vivo. Organ index, electrocardiogram, infarct size, histopathological changes, and detection of cardiac injury and inflammatory factors in the rats were used to evaluate myocarditis, macrophage polarization, and fibrosis. We also used rat bone marrow-derived macrophages (BMDMs) to further investigate the effects of Rg1 on absent in melanoma 2 (AIM2) activation and macrophage polarization in vitro.
Results: Administration of Rg1 exhibited dose-dependent cardioprotective effects and effectively reduced MI/R injury. Rg1 significantly attenuated myocardial inflammation and inhibited M1 macrophage polarization during MI/R injury. Furthermore, Rg1 significantly reduced cardiac fibrosis in response to MI/R injury. This anti-fibrotic effect may contribute to the preservation of cardiac structure and function following an ischemic insult. Meanwhile, Rg1 effectively inhibited the activation of the AIM2 inflammasome in vitro, highlighting its potential as a key regulator of inflammatory pathways.
Conclusion: Our findings elucidate the multifaceted mechanisms underlying Rg1’s cardioprotective effects, including its ability to mitigate inflammation, modulate macrophage polarization, and inhibit fibrosis.
목차
ABSTRACT
1. Introduction
2. Methods and materials
3. Results
4. Discussion
5. Conclusions
References
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