Abstract
In recent years there has been an increased interest in the use of oligonucleotides as therapeutic agents. Oligonucleotide therapeutics may have significant potential over traditional drugs due to their high degree of specificity and increased affinity. The major drawbacks to the use of oligonucleotide therapeutics are the problems associated with their delivery and their relative instability in serum. The serum instability problem has been partially overcome through the use of oligonucleotides with modified backbones. Transdermal electrotransport may be used to overcome the problems associated with delivery. Here we report the use of transdermal electrotransport in the delivery of oligonucleotides across hairless mouse skin. The effects of pH, salt concentration, current density, and oligonucleotide concentration, structure, and length have been investigated.
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