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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.29 No.4
- 발행연도
- 2024.12
- 수록면
- 430 - 440 (11page)
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초록· 키워드
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Vascular smooth muscle cells (VSMCs) undergo metabolic pathway transitions, including aerobic glycolysis, fatty acid oxidation, and amino acid metabolism, which are important for their function. Metabolic dysfunction in VSMCs can lead to age-related vascular diseases. O-GlcNAcylation, a nutrient-dependent posttranslational modification linked specifically to glucose metabolism, plays an important role in this context. Magnolia kobus DC. (MK), derived from the flower buds of Magnolia biondii, is known for its anticancer, anti-allergy, and anti-inflammatory properties. However, the role of O-GlcNAcylation in VSMCs under aging and the association between MK and O-GlcNAc remain unclear. Therefore, the present study aimed to determine the effects of O-GlcNAc on VSMC proliferation, along with the expression of MOF (males absent on the first, KAT8) and its correlation with the efficacy of MK. The results showed that aging and O-GlcNAc induction increased the expression levels of O-GlcNAc, O-GlcNAc transferase (OGT), ataxia telangiectasia mutated (ATM) protein, and MOF in mouse vascular smooth muscle cells (MOVAS) and aorta tissue. Transfection with OGT siRNA reduced the expression of MOF and OGT, indicating that OGT regulates MOF and influences cell proliferation. MK treatment reduced the expression of OGT, ATM, and MOF, which was correlated with O-GlcNAc levels. These findings suggest that O-GlcNAcylation is important for VSMC homeostasis and may be a novel target for vascular diseases. Thus, MK exhibits potential as a new drug candidate for treating vascular diseases by modulating O-GlcNAcylation and MOF interactions.
목차
ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES
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