Exchange of viral promoter/enhancer elements with heterologous regulatory sequences generates targeted hybrid long terminal repeat vectors for gene therapy of melanoma
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作者:
Diaz, RM
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机构:HAMMERSMITH HOSP,IMPERIAL CANC RES FUND,LAB MOL THERAPY,ONCOL UNIT,LONDON W12 0NN,ENGLAND
Diaz, RM
Eisen, T
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机构:HAMMERSMITH HOSP,IMPERIAL CANC RES FUND,LAB MOL THERAPY,ONCOL UNIT,LONDON W12 0NN,ENGLAND
Eisen, T
Hart, IR
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机构:HAMMERSMITH HOSP,IMPERIAL CANC RES FUND,LAB MOL THERAPY,ONCOL UNIT,LONDON W12 0NN,ENGLAND
Hart, IR
Vile, RG
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机构:HAMMERSMITH HOSP,IMPERIAL CANC RES FUND,LAB MOL THERAPY,ONCOL UNIT,LONDON W12 0NN,ENGLAND
To generate transcriptionally targeted vectors, tissue-specific elements of the human tyrosinase promoter were exchanged with corresponding viral elements in the Moloney murine leukemia virus long terminal repeat (LTR). From these experiments, a vesicular stomatitis virus type G pseudotyped, hybrid LTR vector that contained three tyrosinase enhancer elements and gave high-level, tightly tissue-specific expression at high titers (3 x 10(7) CFU/ml) was constructed.