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Safety Test for Gene Therapy Vectors

詳細技術說明

Gene therapy vectors hold promise to revolutionize treatment for many diseases, but also carry a risk of causing cancer if they integrate into oncogenic sites such as LMO2. Researchers at St. Jude

*Abstract

Gene therapy vectors hold promise to revolutionize treatment for many diseases, but also carry a risk of causing cancer if they integrate into oncogenic sites such as LMO2. Researchers at St. Jude have developed a cell based assay that can be used to assess the relative risk that any given gene therapy vector will integrate into and consequently activate Lmo2 and other T-cell proto-oncogenes. This assay was able to detect the oncogenic activity of the clinical MFG-rc vector that caused 5 cases of leukemia in an early SCID-X1 gene therapy trial. This assay can be used to compare the relative oncogenic potential of a variety of gamma-RV and lentiviral vectors and to assess the risk conferred by various transcriptional elements contained in these genomes. Use of this assay can help improve the safety of integrative gene therapy vectors for diseases such as sickle cell anemia, immunodeficiency, etc. in a relatively easy yet sensitive and clinically relevant way.

國家/地區

美國