Some viral vectors, like the adenoviruses, often are recognized and destroyed by the immune system so their therapeutic effects are long-lived.
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In gene therapy, maintaining gene expression so it performs its role properly after vector delivery is difficult. As a result, some therapies need to be repeated often to provide short-lasting benefits.
A. 对
B. 错
In gene therapy, vector–chromatin interaction and its consequences have become more unpredictable, but vector-induced leukemogenesis remains an predictable factor in gene therapy due to its multifactorial nature.
A. 对
B. 错
Indeed, the success and feasibility of gene therapy is undeniable considering that the majority of the more than 60 patients treated for ADA-SCID and SCID-X1 within the last two decades experienced a clear clinical benefit.
A. 对
B. 错
Despite the occurrence of leukemia in some of these patients the overall success rate of gene therapy outperforms the results obtained after allogeneic HSCT with HLA-mismatched donors.
A. 对
B. 错