Abstract

Background: Simian virus-40 (SV40) is an efficient vector for gene therapy; however, it has not yet been used in the context of myocardial gene delivery. In contrast to adenovirus, which has generally been the vector of choice for many heart trials, SV40 does not elicit an immune response allowing repeated administrations, if necessary, to prolong the effect of the delivered gene. Furthermore, SV40 vectors are capable of infecting dividing or non-dividing cells. Our unique vector, prepared in vitro from recombinant SV40 capsid proteins and plasmid DNA, has no viral sequences, providing unique critical safety advantages. Therapeutic DNA of considerable size can be readily packaged into these vectors.

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