Genetic engineering has been used to produce a type of insulin, very similar to our own, from yeast and bacteria. People with diabetes, therefore, have to inject insulin to control their blood sugar levels.
What is genetically engineered insulin?
Today, most insulins are made using genetically engineered bacteria into which the human gene for insulin has been inserted. This GM insulin has many advantages over pork and beef insulin. It can be produced in very large quantities from bacteria cultivated in a fermenter.
Humulin is a genetically engineered insulin made by inserting the human insulin gene into a host cell (E. coli) and has since been able to grow and regenerate normally. The inserted human DNA prompted the creation of a synthetic version of human insulin.
Insulin in cattle and pigs has been used for many years in the treatment of diabetes and has saved millions of lives, but it was not perfect because it caused allergic reactions in many patients. The first genetically engineered synthetic "human" insulin was manufactured in 1978 using E.
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