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 2. Gene therapy is the replacement of faulty genes

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Posts : 191
Join date : 2008-09-24

PostSubject: 2. Gene therapy is the replacement of faulty genes   20/01/09, 08:46 pm

Gene therapy- replacement of a defective or missing gene, or the addition of a new gene, into a person’s genome to treat a disease
• New gene must get into correct cells in body
• Put in bone marrow (stem cells) and put back in body
• 1st successful trial in 1990, but much is still experimental
-Insert gene that stimulates immune system to attack cancer cells
-Insert “suicide” genes into cancer cells
• Technical challenges- correct gene has to be added to the correct cells, genes’ expression regulated, will the new gene affect other genes?
• Still, has high potential
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Cross Academy :: Honors Biology :: Mrs. St. Clair :: Chapter 9 :: 9.6- Gene Screening and Gene Therapy-
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