J NAT PROD:爵床属植物化合物消灭HIV效果惊人!

2017-06-16 佚名 medicalxpress

近日,发表于《自然》杂志上的一篇文章表示,遍布东南亚的一种植物提取物可以更加有效的对抗HIV病毒,先前,这种植物提取物常用来治疗关节炎和风湿病。这种化学物质叫做,patentiflorin,来自于柳树叶爵床属中,它对抗HIV病毒非常有效。


近日,发表于Journal of Natural Products杂志上的一篇文章表示,遍布东南亚的一种植物提取物可以更加有效的对抗HIV病毒,先前,这种植物提取物常用来治疗关节炎和风湿病。这种化学物质叫做,patentiflorin,来自于柳树叶爵床属中,它对抗HIV病毒非常有效。

此次研究由许多来自不同国家的科学家们共同发起,他们分别来自芝加哥伊利诺斯大学的科学家们,香港浸会大学和越南科学院,由美国国立卫生研究院,国家科学基金会和美国农业部资助,旨在寻找可能用于医疗和药品的天然产物,并致力于支持在低中收入国家可持续利用这些资源。

早在10几年前,科学家已经从柳叶爵床属树叶中提取了这种化合物,通过分析实验,科学家在这些化合物找到可以对抗艾滋病药物,肺结核,疟疾和癌症的潜在可能。

在此次研究中,研究人员将重点集中在patentiflorin抑制某种酶的能力,而这种酶正是HIV进入细胞中的关键所在,它是抗艾滋病药物AZT的作用机制,也就是我们如今熟知的抗逆转录病毒疗法,通过大量实验,研究人员发现patentiflorin对这种酶额抑制作用更加有效。

研究人员表示:“我们的试验说明,Patentiflorin抑制逆转录酶的作用比AZT更有效,并且能在艾滋病毒感染的早期阶段产生效果,也就是在病毒进入巨噬细胞时,patentiflorin可以改变感染时存在于免疫系统的T细胞。”

除此之外,patentiflorin还可以起到预防的作用,这对于HIV研究领域可谓一大进步

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    2017-09-11 liye789132251
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    2018-06-01 xuyong535
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    2017-06-18 sunylz