The goal of gene therapy is to replace damaged genes with ones that work to address a root cause of cancer: damage to DNA. (medicalnewstoday.com)
For example, genetically engineered viruses have been used in gene therapy to replace damaged genes with healthy genes. (bookbrowse.com)
Scientists might also be able to replace damaged genes or add new genes to stem cells in order to give them characteristics that can ultimately treat diseases. (sanfordconsortium.com)