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Pharmacological effects and mechanisms of Gastrodia elata and its active ingredients in the treatment of cardiovascular diseases
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作者 Xing-Yi chen Yan He ji-yu chen 《Traditional Medicine Research》 2023年第9期34-48,共15页
Gastrodia elata,a traditional Chinese medicine belonging to the Orchidaceae family,contains several major components such as gastrodin,polysaccharides of Gastrodia elata,and parishin.The pharmacological studies conduc... Gastrodia elata,a traditional Chinese medicine belonging to the Orchidaceae family,contains several major components such as gastrodin,polysaccharides of Gastrodia elata,and parishin.The pharmacological studies conducted on Gastrodia elata have revealed a variety of therapeutic properties,including antihypertensive,hypolipidemic,analgesic,and sedative-hypnotic properties.Thus,in this paper,we summarized the pharmacological effects of Gastrodia elata’s major components,namely gastrodin,polysaccharides of Gastrodia elata,parishin,and different types of Gastrodia elata extracts,on cardiovascular diseases such as atherosclerosis,hypertension,hyperglycemia,myocardial ischemia,myocardial hypoxia,myocarditis,and heart failure.Additionally,we conclude the mechanisms through which these active ingredients exert their therapeutic effects,including antioxidants,anti-inflammatory,and nitric oxide regulation.We provide insights into the therapeutic potential of Gastrodia elata with a detailed review of its pharmacological effects and molecular targets in cardiovascular disease protection and therapy,and can better understand the effect of traditional medicines in cardiovascular disease. 展开更多
关键词 Gastrodia elata GASTRODIN parishin polysaccharides of Gastrodia elata Gastrodia elata extracts cardiovascular diseases
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柱状侧链高分子体系的结构、黏弹性及功能应用
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作者 范祎宁 杨子凡 +9 位作者 吴佳慧 赵凌 夏玮 张龙龙 王婕 陈季俞 孙铭鹤 栗佳骅 杨爽 陈尔强 《高分子学报》 SCIE CAS CSCD 北大核心 2023年第10期1468-1485,共18页
近年来,具有柱状结构的侧链高分子体系,如瓶刷状聚合物等,因其特殊的超软、超弹性、快速应变硬化等有趣的黏弹性而受到学术界高度重视.本综述对相关研究进展做了一些梳理和总结.主要介绍了瓶刷链、树枝化聚合物、甲壳型液晶高分子等几... 近年来,具有柱状结构的侧链高分子体系,如瓶刷状聚合物等,因其特殊的超软、超弹性、快速应变硬化等有趣的黏弹性而受到学术界高度重视.本综述对相关研究进展做了一些梳理和总结.主要介绍了瓶刷链、树枝化聚合物、甲壳型液晶高分子等几类经典的以“单链超分子柱”为特征的侧链高分子的结构和线性黏弹性,并以楔形侧链高分子为例介绍了“多链超分子柱”的性质.在简述柱状侧链高分子体系功能应用方面的探索之后,也扼要讨论了研究中存在的问题与挑战.虽然目前柱状侧链高分子的缠结及微相分离带来的复杂松弛行为的物理机制还不十分明晰,但对于这类高分子的深入研究无疑将为新型黏弹材料的设计和制造提供新的思路和坚实的理论基础. 展开更多
关键词 侧链高分子 柱状结构 黏弹性 缠结 逐次松弛
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Effects of ginkgo flavone aglycone on atherosclerosis based on network pharmacology,molecular docking,and in vitro experiments
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作者 Miao Zhou Rui Li +4 位作者 Qin Li Yan-Li Huang Shi-Jing Liu ji-yu chen Yan He 《TMR Modern Herbal Medicine》 CAS 2024年第2期1-10,共10页
Background:Ginkgo flavone aglycones(GA),a Ginkgo(Ginkgo biloba)extract,has been proven to have good biological activity in atherosclerosis(AS)treatment.Moreover,its active compounds and the corresponding mechanism for... Background:Ginkgo flavone aglycones(GA),a Ginkgo(Ginkgo biloba)extract,has been proven to have good biological activity in atherosclerosis(AS)treatment.Moreover,its active compounds and the corresponding mechanism for the treatment of AS remain unclear.Methods:To evaluate and identify the potential pharmacological mechanisms of GA in AS treatment,the program Cytoscape was used to generate network mappings of the GA-AS-potential target gene.GO and KEGG enrichment analyses were performed to further investigate the potential mechanism of AS and the pharmacological properties of GA.A molecular docking approach was utilized to determine the GA components that interact with Akt.In vitro experiments were carried out to identify the anti-atherosclerotic effects of GA by targeting Akt.Results:Network pharmacological research determined that the active components of GA(quercetin,kaempferol,and isorhamnetin)correlated with AS target genes such as AKT1,EGFR,SRC,ESR1,PTGS2,MMP9,KDR,GSK3B,APP,and MMP2,respectively.GO enrichment and KEGG analysis showed that PI3K-Akt signaling may play an important role in GA treatment.Molecular docking experiments indicated that quercetin,kaempferol,and isorhamnetin integrate into the binding pockets of the most potentially beneficial GA-AS target protein(Akt).Consequently,cell experiments were conducted to support the anti-atherosclerotic activity of GA on AS by inhibiting the phosphorylation of AKT1 and its downstream signaling molecules,which regulated the proliferation of HASMCs.Conclusion:Our results detailed GA's active ingredients,potential targets,and molecular basis against AS.GA may exert anti-atherosclerotic effects by suppressing Akt phosphorylation and inhibiting the proliferation of HASMCs.It also proposed a viable approach to determining the scientific foundation and therapeutic mechanism of Chinese herbal medicine extracts in disease therapy. 展开更多
关键词 network pharmacology ginkgo flavone aglycones atherosclerosis molecular docking kaempferol quercetin isorhamnetin
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