Diseases amenable to treatment by gene therapy:
| 1. | Must be relatively mild. |
| 2. | Must be caused by a defect in cells that are clinically accessible. |
| 3. | Must have other types of treatments available in case gene therapy fails. |
| 4. | Must lower the humoral and cell mediated immune responses |
Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?
1. Λ phage
2. Ti plasmid
3. Retrovirus
4. pBR 322
The first clinical gene therapy was given for treating:
1. Diabetes mellitus
2. Chicken pox
3. Rheumatoid arthritis
4. Adenosine deaminase deficiency
Which kind of therapy was given in 1990 to a four-year-old girl with adenosine deaminase (ADA) deficiency?
1. Radiation therapy
2. Gene therapy
3. Chemotherapy
4. Immunotherapy