迄今，瘦素的作用非常令人失望。
通常情况下，瘦素会向大脑发送你已经吃饱的信号。
Normally, the hormone leptinsignals to the brain you’ve eaten enough.
瘦素对胃肠功能具有重要的调节作用。
It may play an important role in regulating gastrointestinal tract function.
希望瘦素最终既能用作标志也能用作治疗。
The hope is leptin could eventually be used as both a marker and a treatment.
胃促生素的增加、瘦素的减少，相应的体重也会增加。
目的克隆中国人的肥胖基因，并在大肠杆菌中高效表达人瘦素蛋白。
Objective To clone the obesity gene of Chinese and express human leptin in e.
这些患者的体重都下降了10%，被分成使用瘦素的试验组和使用安慰剂的对照组。
Their weight was reduced by 10% and they were given either replacement leptin or a placebo.
实际上，瘦素替代品“欺骗”了他们的身体，让身体忽略了曾经减肥的事实。
In effect, their bodies were tricked into overlooking the fact that it had lost weight.
实际上，瘦素替代品“欺骗”了他们的身体，让身体忽略了曾经减肥的事实。
In effect, their bodies were tricked into overlooking the fact that it had lost weight.
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