Which enzyme was targeted during the first clinical gene therapy given in 1990 to a four year- old girl?
A
MAO
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
ADA
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
Tyrosine oxidase
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Pyruvate dehydrogenase
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B ADA The first clinical gene therapy was given in 1990 to a four- year- old girl with adenosine deaminase (ADA deficiency). This enzyme is crucial for the immune system to function because in its absence lymphocytes proliferation is inhibited.