But there are still major limitations on the design and implementation of engineered protein-based therapies.

但是，在以工程化的蛋白为基础的疗法的设计和干预方面仍然存在大的障碍。

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AIDSVAX contains a genetically engineered version of a protein on the surface of HIV.

而AIDSVAX包含一种艾滋病病毒表层的基因工程蛋白。

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To test this possibility, Bieniasz's team engineered an unrelated mouse retrovirus coated with the envelope protein that would have allowed the ancient chimpanzee virus to slip into cells.

为了检验这种可能性，Bieniasz的团队设计了毫不相关的涂有包膜蛋白的老鼠反转录病毒，这种病毒容许黑猩猩病毒进入细胞。

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German biotech startup Paion has been shepherding through trials a genetically engineered version of a protein called desmoteplase, found in the saliva of vampire bats.

FORBES: Brain Repair

The mice used in the study were genetically engineered to completely lack ephrin-B3 protein.

BBC: Discovery prompts spinal cord hope

Existing drug regimens are based on various genetically engineered versions of the natural immune system protein alpha interferon combined with a second chemical, ribavirin.

FORBES: Magazine Article