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Dornase alpha

Question
How is dornase alpha prepared or made? I have read that it is recombinant dna but from which cells is it taken?
Answer
Dear questioner,
after contacting the pharmaceutical company Roche producing Pulmozyme® I can provide you with the following information: the product contains the human enzyme dornase alpha. Genetic information for human dornase alpha its transferred to cells from the ovaries of the Chinese hamster A 14,16 – 1 MSB #757, that produce in the sequel human Desoxyribonuclease I or recombinant dornase alpha. This method is called recombinant DNA-technology.
Hope to have answered your question,
Best regards,
Dr. Daniela d’Alquen (Coordinator of the Central English Archive of ECORN-CF)
08.04.2014