ZMapp在美国与塞拉利昂进行临床试验,后者的政府在周四有九起新病例,是数个月来单日最多的一天。
Last summer, when Ebola was raging out of control, ZMapp raised hopes after it was given totwo American aid workers with the disease. Both recovered. Scientists had already shown thatZMapp could save monkeys injected with what would have been a lethal dose of the virus.
埃博拉病毒在去年夏天失控。但受到感染的两位美国救援工作者获得ZMapp后都已痊愈,因此唤起一线希望。科学家发现,ZMapp可以让注射了致死病毒量的猴子存活。
Tobacco plants were engineered to produce ZMapp, a mixture of three antibodies designed toattach to the covering of the virus, neutralize it and attract killer immune cells. That was anunusual production method, chosen in part to meet the requirements of an Americangovernment grant that promotes innovation. However, there were no facilities capable ofproducing large amounts of the treatment.
ZMapp使用经过改造的烟叶植物进行生产,它混合了三种抗体,可以附着在病毒令其失去效力,然后吸引杀手免疫细胞发挥效果。用烟叶制作抗体的生产方法并不常见,选择它的其中一个原因是,研发获得了美国政府的一项鼓励创新资金,因此要符合该拨款的要求。然而,现在没有设施适合制作大量药剂。
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