Abstract：
:Ideal methods for human gene therapy will eventually include direct gene transfer to defective tissues in a patient in vivo. Toward that goal, we have used high titer, pseudotyped retroviral vectors expressing genes for the Escherichia coli beta-galactosidase (lacZ) or hepatitis B virus surface antigen (HBsAg) to infect mouse liver by in vivo direct injection into the liver parenchyma. We have found that a single percutaneous injection of small volumes of vectors into the newborn mouse liver leads to transduction of at least 25-30% of the hepatocytes throughout the liver, as judged by in situ staining of liver sections for beta-gal activity at 4 weeks after injection. We have demonstrated that stable levels of HBsAg were also detected in the circulation of injected mice up to 4 months after HBsAg-vector injection. We suggest that the high efficiency of in vivo transduction in the neonatal liver and subsequent stable transgene expression by high-titer pseudotyped retroviral vectors in the absence of an invasive partial hepatectomy may effectively be applied to gene therapy studies in a number of human liver disease [corrected].
journal_name
Gene Therjournal_title
Gene therapyauthors
Miyanohara A,Yee JK,Bouic K,LaPorte P,Friedmann Tsubject
Has Abstractpub_date
1995-03-01 00:00:00pages
138-42issue
2eissn
0969-7128issn
1476-5462journal_volume
2pub_type
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