Abstract:
:We have constructed two recombinant adeno-associated virus (AAV) vectors (pJJ-3GC and pJJ-3ASA) which contained either the human glucocerebrosidase (GC) or arylsulfatase A (ASA) cDNA under the control of an SV40 promoter. These plasmids were co-transfected to 293 cells with a helper plasmid containing trans-acting AAV genes required for packaging the vectors. The two recombinant vectors successfully infected murine and patient fibroblasts. The human glucocerebrosidase and arylsulfatase A genes were expressed at high levels in the cells as determined by Western blot analysis, enzyme assay and immunochemical staining. GC enzyme activity in Gaucher patient fibroblasts (GM-0877) infected by AAV-GC was 15-fold higher than in non-infected cells. ASA enzyme activity in MLD 557g cells infected by AAV-ASA was up to 500-fold higher than in the metachromatic leukodystrophy (MLD) control cells. Southern blotting results showed that the vector integrated 1-2 copies of pJJ-3GC and ASA in the targeted cell genome. These two vectors will be useful in studying AAV-mediated transfer of the GC and ASA genes in cells and animals.
journal_name
Gene Therjournal_title
Gene therapyauthors
Wei JF,Wei FS,Samulski RJ,Barranger JAsubject
Has Abstractpub_date
1994-07-01 00:00:00pages
261-8issue
4eissn
0969-7128issn
1476-5462journal_volume
1pub_type
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