Our bodies produce antibodies to counteract disease.

我们的身体能产生抗体以抵抗疾病。

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Diseases like Alzheimer's affect NR2B expression, so a drug that causes the gene to over-express could counteract the affects of the disease.

像老年痴呆症这样的疾病会影响NR2B的表达，而可以使该基因过表达的药物能够抵消这些疾病的影响。

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European Union countries have stepped up testing of slaughtered cattle for signs of mad cow disease to counteract public fears.

CNN: Beef sales slump after EU BSE scare