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GM cow milked for human growth hormone

点击量:   时间:2019-03-03 07:20:00

A COW called Pampa Mansa could be the key to cutting the high cost of human growth hormone, which is used to treat thousands of children with growth problems. The genetically modified Jersey cow produces so much of the hormone in her milk that just 15 cows like her could meet the current world demand. Human growth hormone once had to be extracted from human cadavers but is now made in genetically modified bacteria. This form of the hormone is safer, but treatments can cost $30,000 a year. To create an alternative source,