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Front Neurosci:一石二鸟!咖啡竟可防帕金森和老年痴呆!

2018-11-09 Michael,Zoe 转化医学网

。近几年的研究发现,咖啡这种神奇的饮品对于预防各种疾病都有很好的作用,从预防心脏病到降低抑郁的发生,都能看到研究咖啡具有保护作用的文章。最新的研究发现,长喝咖啡竟然能够预防老年后帕金森的发病,这对众多咖啡依赖者来说又多了一个好事,这项研究的最新进展发表于近期的《Frontiers in Neuroscience》杂志。

工作没头绪?来杯美式咖啡提提神。“吃鸡”没状态?来杯焦糖玛奇朵提提神。商谈没进展?来杯榛果拿铁接着谈。学习没精神?来杯速溶雀巢接着战。近几年的研究发现,咖啡这种神奇的饮品对于预防各种疾病都有很好的作用,从预防心脏病到降低抑郁的发生,都能看到研究咖啡具有保护作用的文章。最新的研究发现,长喝咖啡竟然能够预防老年后帕金森的发病,这对众多咖啡依赖者来说又多了一个好事,这项研究的最新进展发表于近期的《Frontiers in Neuroscience》杂志。

目前,全世界每年消费大约5000亿杯咖啡。这么大的消费量也吸引大批研究者研究咖啡对于人体的益处及可能存在的问题。Krembil脑研究所的一项新研究表明,早上喝咖啡可能会有更多的好处,其不仅限于帮助饮用者提高能量和注意力。同时,喝咖啡也可以大大降低饮用者罹患阿尔茨海默氏症和帕金森病的风险。

Krembil脑研究所联合主任Donald Weaver博士表示,“饮用咖啡似乎与降低阿尔茨海默病和帕金森病的风险有关,但他们想要研究这其中究竟蕴含了何种机制,究竟是哪些化合物参与以及如何影响年龄相关性认知衰退”。

Weaver博士邀请了药物化学研究员Ross Mancini博士和生物学家Yanfei Wang来帮忙。该团队选择研究三种不同类型的咖啡进行研究。Mancini博士表示,“含咖啡因和脱咖啡因的咖啡在他们最初的实验测试中对年龄相关性意识减退具有相同的作用,所以他们观察到咖啡的保护作用不是由咖啡因而产生”。

曼奇尼博士随后明确了一个含有苯基的化合物,这些化合物是咖啡豆烘焙过程中出现的。这种含有苯基的化合物十分独特,他可以有效抑制β-淀粉样蛋白及Tau的形成,这两种蛋白质片段是阿尔茨海默氏症和帕金森氏症主要的病理表现。因此,此种化合物或是一种双重抑制剂。



由于烘焙过程会导致更多的此类化合物产生,因此深色烘焙咖啡似乎比轻度烘焙咖啡更具神经保护性。Mancini教授表示,“这是首次研究苯基化合物与阿尔茨海默氏症和帕金森氏症蛋白质的相互作用,他们计划下一步将研究这些化合物究竟有多大的有益程度,以及它们是否具有进入血液或穿过血脑屏障的能力”。

Weaver博士表示,“大自然母亲是一个比我们都出色的化学家,大自然能够制造这些出人意料的化合物,而这在人类看来合成条件极为苛刻”。但是,他承认,在将其转化为潜在的治疗选择之前,还需要进行更多的研究。



这项研究未来将通过流行病学增加其可信度,通过进一步的分析,研究者希望证明咖啡中确实含有能够降低年纪相关性认知障碍的作用。但喝咖啡会是一种治疗手段吗?研究人员表示,将咖啡作为一种治疗手段还需更为具体更为系统的研究。

原始出处:Mancini RS, Wang Y, Weaver DF. Phenylindanes in Brewed Coffee Inhibit Amyloid-Beta and Tau Aggregation. Front Neurosci. 2018 Oct 12;12:735. 

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    2018-11-10 lsndxfj
  2. [GetPortalCommentsPageByObjectIdResponse(id=1364414, encodeId=49a013644143b, content=<a href='/topic/show?id=7c5615628ad' target=_blank style='color:#2F92EE;'>#ROS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15628, encryptionId=7c5615628ad, topicName=ROS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=acc3210, createdName=lsndxfj, createdTime=Sat Nov 10 16:14:00 CST 2018, time=2018-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=352163, encodeId=7d8b352163ce, content=123, beContent=null, objectType=article, channel=null, level=null, likeNumber=163, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=080f2478288, createdName=红色, createdTime=Sat Nov 10 10:55:50 CST 2018, time=2018-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=352145, encodeId=d0e33521453c, content=研究的好, beContent=null, objectType=article, channel=null, level=null, likeNumber=115, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=080f2478288, createdName=红色, createdTime=Sat Nov 10 10:42:53 CST 2018, time=2018-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=352144, encodeId=2f9f35214412, content=好, beContent=null, objectType=article, channel=null, level=null, likeNumber=139, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=080f2478288, createdName=红色, createdTime=Sat Nov 10 10:42:48 CST 2018, time=2018-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=351999, encodeId=393935199904, content=这么啊?, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=080f2478288, createdName=红色, createdTime=Fri Nov 09 08:14:13 CST 2018, time=2018-11-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1048508, encodeId=0308104850836, content=老年人痴呆何药可用??, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=junJUN, createdTime=Fri Nov 09 04:14:00 CST 2018, time=2018-11-09, status=1, ipAttribution=)]
    2018-11-10 红色

    123

    0

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    2018-11-10 红色

    研究的好

    0

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    2018-11-10 红色

    0

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    2018-11-09 红色

    这么啊?

    0

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    2018-11-09 junJUN

    老年人痴呆何药可用??

    0

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想缓解头痛,除了用药,可以借助一些非药物疗法。美国《医药日报》4月1日载文,介绍了“不用药缓解头痛的5种家庭疗法”

Neurology:血清咖啡因和代谢物是早期帕金森病的可靠生物标志物!

由此可见,咖啡因和咖啡因代谢产物绝对含量低是早期帕金森病的诊断标志物。这与先前通过流行病学和实验研究揭示的咖啡因神经保护作用相一致。

Nat Commun:合成基因回路或助人轻松管理糖尿病

英国《自然·通讯》杂志 19 日 发表 一项合成生物学新进展:欧洲科学家团队设计出了一种全新合成生物学基因回路,并证明可以通过咖啡因激活这种合成基因回路。小鼠糖尿病模型研究显示,其可以成功调节血糖水平。该研究成果或将助力人类对抗糖尿病,同时亦展示了合成生物学在医疗界的应用潜力。

J ACAD NUTR DIET:咖啡因可以抑制食欲吗?

咖啡因经常被添加到膳食补充剂中,声称它有助于减肥。最近,研究人员进行了一项研究,目的是检验以下假设:咖啡因通过减少食欲来减少实验室和自由生活中食物的摄入,并且这些影响因体重指数(BMI)而异。

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