Page "Biotechnology" Paragraph 38
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To cite one example, in 1978 Genentech developed synthetic humanized insulin by joining its gene with a plasmid vector inserted into the bacterium Escherichia coli.
Insulin, widely used for the treatment of diabetes, was previously extracted from the pancreas of abattoir animals ( cattle and / or pigs ).
The resulting genetically engineered bacterium enabled the production of vast quantities of synthetic human insulin at relatively low cost.
According to a 2003 study undertaken by the International Diabetes Federation ( IDF ) on the access to and availability of insulin in its member countries, synthetic ' human ' insulin is considerably more expensive in most countries where both synthetic ' human ' and animal insulin are commercially available: e. g. within European countries the average price of synthetic ' human ' insulin was twice as high as the price of pork insulin.
Yet in its position statement, the IDF writes that " there is no overwhelming evidence to prefer one species of insulin over another " and " highly purified animal insulins remain a perfectly acceptable alternative.
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