如果你观察普通人群，调查多少比例的人有[胰岛素类生长因子2基因编码甲基化的缺陷]，大概是百分之5。
If you look in the normal population and ask what fraction of people have [a defect in methylation in the gene encoding insulin-like growth factor 2] it's about 5 percent.
奶牛和人一样，也能在生长激素的作用下分泌类胰岛素生长因子，这种蛋白质被释放到血液里，从而进入到牛奶中。
Cows, like humans, produce insulin-like growth factor in response to growth hormones and release it into the blood, and the protein makes its way into their milk.
评论家称从注射了激素的奶牛来的牛奶中另外一种类胰岛素的生长因子1的激素的含量偏高。这是一种有致癌的潜在物质。
Critics say milk from treated cows contains higher levels of a different hormone, insulin-like growth factor 1, that has been linked to an increased risk of cancer in people.
结果表明：在碱性条件下超滤有利于提高类胰岛素生长因子的回收量。
The results showed that the recovery of insulin-like growth factors (IGFs) is optimal on alkaline diafiltration.
采用PCR-SSCP技术分析了牛类胰岛素生长因子结合蛋白3（IGFBP3）基因在南阳牛、鲁西牛和中国西门塔尔牛3个牛品种中的遗传多态性。
The polymorphism of the insulin-like growth factor binding protein 3 (IGFBP3) gene in Nanyang cattle, Luxi cattle and Chinese Simmental was analyzed by PCR-SSCP.
这种情况改变了胰岛素样生长因子或类胰岛素等其他激素的活动，实验室的研究表明，后者可能会关系到寿命的延长。
That alters the activity of other hormones, including insulin-like growth factor or IGF-1 - a substance that laboratory studies suggest might be manipulated to lengthen lifespan.
但Monsanto和其他支持者说，牛奶中的额外的类胰岛素生长因子对于人体没有任何影响。
But Monsanto and other proponents of the technology say the amount of extra insulin-like growth factor in the milk is insignificant compared with the amount made naturally in the human body.
但Monsanto和其他支持者说，牛奶中的额外的类胰岛素生长因子对于人体没有任何影响。
But Monsanto and other proponents of the technology say the amount of extra insulin-like growth factor in the milk is insignificant compared with the amount made naturally in the human body.
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