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A team of British researchers has shown that genetically modified chickens can produce effective substances in their eggs used in human medicine.
The researchers published their findings Thursday in the journal BMC Biotechnology.
The researchers explained that these substances consist of egg white proteins and can be separated later for use as drugs.
Although a German expert confirmed in her assessment of the results of the study that this was useful, she expressed her skepticism that these results could lead to a major change.
The researchers, under the supervision of Helen Sang of the University of Edinburgh, focused on two different proteins: interferon is an effective drug used against various forms of cancer and hepatitis , while CSF is a drug that can stimulate spontaneous healing of affected tissues.
The researchers found that genetically modified chickens initially produced a large amount of interferon, so that only three eggs were enough to get a proper amount of protein for drug use.
The researchers said the materials extracted from the eggs were at least as clean as those made in cell cultures and equally effective.
They found no negative effect on the health of the chickens.
But in a statement released about her university, Ms. Sang said, "We have not yet produced any drugs for humans, but the study demonstrates the possibility of using commercially available chicken to produce proteins suitable for drug development and other applications of biological technology.
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