Recently, the FDA approved an enzyme designed to treat PKU.

最近，美国药物总局刚批准了被设计用来治疗 PKU 酶。

Two FDA approved drugs are also available for the treatment of PKU.

两种美国FDA批准药物现在也可用于苯丙酮尿症治疗。

Doctors found that Carol had an unusual disease called PKU. This caused her to have trouble learning.

医生发现卡罗尔得了一种叫苯酮尿症不疾病。使她有困难。

So you may be familiar with PKUs, because all infants in the US are required to be tested for PKU.

你们也许对 PKU 挺熟悉，因为在美国，所有婴儿都被要求进行 PKU 检测。

An example of this is called phenylketonuria, or PKU for short.

方面一个例子叫做苯丙酮尿症，简称 PKU。

However, new enzymes may soon enable PKU patients to eat whatever they want.

然而，新酶可能很快就能让 PKU 患者想吃什么就吃什么。

People with PKU are unable to properly metabolize or digest phenylalanine, which is one of the 20 common amino acids that we've been talking about.

患有 PKU 人无法正确代谢或消化苯丙氨酸，苯丙氨酸是我们一直在谈论 20 种见氨基酸之一。

The consequence of ingesting phenylalanine for people with PKU is that they are subject to permanent intellectual disabilities, so it's a scary thing to have.

PKU患者摄入苯丙氨酸后果是会出现永久性智力障碍，所以吃苯丙氨酸是一件很可怕事情。

So may be familiar with PKUs, because all infants in the US are required to be tested for PKU. I remember when Anthony, my son, had his heel pricked to test for it.

所以可能对 PKU 很熟悉，因为在美国所有婴儿都需要进行 PKU 检测。 我记得当我儿子安东尼被刺破脚后跟来测试它时候。