Synergistic Neuroprotective Mechanisms of Coffee Components in Parkinson's Diseas
咖啡成分对帕金森病的协同神经保护机制
基本信息
- 批准号:8700581
- 负责人:
- 金额:$ 30.35万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-09-30 至 2017-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DESCRIPTION (provided by applicant): Coffee is by far the most widely and highly consumed herbal extract. Numerous epidemiological studies indicate that coffee consumption affords reduced risk of Parkinson's disease (PD). This association has been attributed to caffeine, but coffee is much more than just caffeine, and the finding that caffeine may be neuroprotective in no way obviates the possibility that other components in coffee may play a synergistic role with caffeine. We have recently isolated a lipid-like component of coffee, eicosanoyl-5-hydroxytryptamide (EHT), and found it to have a protective effect in mouse models of PD. Biochemical and neuropathological analyses demonstrate that dietary supplementation with EHT leads to decreased 1-synuclein phosphorylation and aggregation, a robust anti-inflammatory effect, and protection against oxidative stress. Studies indicate that the actions of caffeine stem from its antagonism of adenosine A2A receptor signaling, but downstream neuroprotective mechanisms remain to be established. The proposed research will elucidate the molecular mechanisms of neuroprotection mediated by caffeine and EHT as well as their synergy through in vitro biochemical analyses, cell based molecular experiments and in vivo studies in mouse models of PD. The ultimate goal of this work is to develop a dietary supplement(s) or medical food that would slow the progression or prevent the development of neurodegenerative disorders such as PD.
描述(由申请人提供):咖啡是迄今为止最广泛和最高消费的草药提取物。许多流行病学研究表明,喝咖啡可以降低帕金森病(PD)的风险。这种关联被归因于咖啡因,但咖啡不仅仅是咖啡因,咖啡因可能具有神经保护作用的发现并不能排除咖啡中其他成分可能与咖啡因发挥协同作用的可能性。我们最近分离出咖啡的脂质样成分,二十烷酰基-5-羟色胺(EHT),并发现它在PD小鼠模型中具有保护作用。生化和神经病理学分析表明,膳食补充EHT导致1-突触核蛋白磷酸化和聚集减少,具有强大的抗炎作用,并保护免受氧化应激。研究表明,咖啡因的作用源于其对腺苷A2 A受体信号的拮抗作用,但下游的神经保护机制仍有待建立。该研究将通过体外生化分析、细胞分子实验和PD小鼠模型的体内研究,阐明咖啡因和EHT介导的神经保护的分子机制以及它们的协同作用。这项工作的最终目标是开发一种膳食补充剂或医疗食品,以减缓或预防神经退行性疾病(如PD)的发展。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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M. Maral Mouradian其他文献
M. Maral Mouradian的其他文献
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Synergistic Neuroprotective Mechanisms of Coffee Components in Parkinson's Diseas
咖啡成分对帕金森病的协同神经保护机制
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8368832 - 财政年份:2012
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$ 30.35万 - 项目类别:
Synergistic Neuroprotective Mechanisms of Coffee Components in Parkinson's Diseas
咖啡成分对帕金森病的协同神经保护机制
- 批准号:
8543640 - 财政年份:2012
- 资助金额:
$ 30.35万 - 项目类别:
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