Abstract:
:Gene delivery has become an important tool for biological research and gene therapy trials. Lentiviral vector (LV) mediated gene transfer is a preferred approach for stable, sustained transgenic expression. We report here step-wise development of an Indian human immunodeficiency virus type 2 (HIV-2) isolate derived third generation lentiviral vector with a novel, versatile multiple cloning site (MCS) that can also facilitate single step sub-cloning of a PCR amplified transgene cassette by T/A cloning strategy apart from useful cohesive/blunt end cloning. Efficiency of the vector systems was functionally demonstrated by development of a transgenic enhanced green fluorescence protein (GFP) expressing cell line. Further, a GFP down regulated cell line was derived from the said cell line through LV mediated shRNA expression by cloning the GFP-shRNA cassette using the T/A cloning strategy. Subsequently long term expression of GFP transgene in nude mouse spleen/liver was also documented till 30 days. This LV platform with the enhanced user friendly cloning options will be an important advancement in gene transfer technology.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Santhosh CV,Tamhane MC,Kamat RH,Patel VV,Mukhopadhyaya Rdoi
10.1016/j.bbrc.2008.04.106subject
Has Abstractpub_date
2008-07-04 00:00:00pages
546-50issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(08)00802-4journal_volume
371pub_type
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