Abstract:
:Although antisense strategy has been at the center of interest in gene therapy, little is known about application of this strategy to cardiac diseases because of the lack of a suitable delivery method into the heart. Therefore, we compared the transfection efficiency of antisense oligodeoxynucleotides (ODN) using HVJ-liposome method and direct transfer in in vivo transfer into heart. To investigate the cellular fate and localization of ODN, transfer of "naked" FITC-labeled antisense ODN or ODN enwrapped in HVJ-liposome complex were examined. Following in vivo transfer using direct injection as well as in vitro transfer, fluorescence rapidly disappeared within 1 day, whereas transfer by HVJ-liposome method resulted in sustained fluorescence localized in the nucleus for at least 1 week. Measurement of fluorescence also demonstrated a significantly higher level in myocardium transfected by HVJ-liposome method than direct transfer. The present study demonstrated that HVJ-liposome method is more efficacious for ODN delivery by prolongation of half-life of ODN, suggesting its usefulness for gene therapy in cardiac diseases.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Aoki M,Morishita R,Higaki J,Moriguchi A,Kida I,Hayashi S,Matsushita H,Kaneda Y,Ogihara Tdoi
10.1006/bbrc.1996.5762subject
Has Abstractpub_date
1997-02-24 00:00:00pages
540-5issue
3eissn
0006-291Xissn
1090-2104pii
S0006291X96957629journal_volume
231pub_type
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