2. What are the diseases can be treated by gene and cell therapy currently?

2.Gene therapy is used to cure cancer, cystic fibrosis, heart disease, diabetes, muscular dystrophy, hemophilia, AIDS, and sickle cell anemia. Cell therapy are used in various fields like cancers, autoimmune disease, urinary problems, and infectious disease, rebuilding damaged cartilage in joints, repairing spinal cord injuries, improving a weakened immune system, neurological disorders, ischemic heart disease and parkinson's disease.