N Concordance 1 response to the tumor by injection of a gene therapy vector that will express a 2 noma and skin wounding, with 20% of all gene therapy protocols being applied in 3 esults: Five broad categories of cancer gene therapy are undergoing clinical eva 4 of cancer, may become useful tools for gene therapy of cancer and of geneticall 5 r, these strategies may improve further gene therapy protocols by decreasing the 6 re the first vectors approved for human gene therapy and have been used extensiv 7 genetic background. Retroviral mediated gene therapy directed to the hematopoiet 8 ficiency and enhance the possibility of gene therapy for seriously affected PK p 9 tential for application in the field of gene therapy for the treatment of diseas 10 iveness of molecular neurosurgery using gene therapy has been investigated since 11 dvantage of HcTx is that for successful gene therapy, the underlying primary def 12 ransfer vector in many trials of cancer gene therapy. Retroviruses were used in