Name the targeted gene in first clinical gene therapy.
A
Adenosine deaminase
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B
Cytosine deaminase
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C
Thaimine deaminase
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D
Guanine deaminase
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Solution
The correct option is B Adenosine deaminase
On, 14th September 1990, the first approved gene therapy clinical research in the US took place at the National Institutes of Health. It was the first successful gene therapy treatment for adenosine deaminase deficiency (ADA-SCID) in which the adenosine deaminase gene was targeted.