Name the drug used in cancer treatment produced by using biotechnology.
Interferon
Interferons are a class of antiviral proteins that function as immune regulators or lymphokines produced by the infected cells in response to viral infections. Interferons have been produced on a large scale by recombinant DNA technology. IFN-α is used for the treatment of hepatitis-B. Interferons are also tested for the treatment of cancer and other viral diseases, including AIDS.