通过敲除这种能够产生酶的基因，科学家认为他们可以通过阻止雌性老鼠大脑过滤掉激素，使雌性老鼠受到额外的雌激素的影响。
By deleting the enzyme-producing gene, the scientists believe that they caused the female mice to be exposed to extra oestrogen, by preventing their brains from filtering out the hormone.
那是因为雌激素会对抗一种特定的酶，这是一种会妨碍身体防御细菌病毒的第一道防线的酶。
That's because estrogen confronts a certain enzyme that often hinders the body's first line of defense against bacteria and viruses.
目的探讨雌激素替代疗法（ERT）对绝经后妇女血清血管紧张素转化酶（ACE）含量及血脂代谢的影响。
Objective To investigate the effect of estrogen replacement therapy (ERT) on serum angiotensin-converting-enzyme(ACE) levels and lipids metabolism in postmenopausal women(PMW).
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