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Aptamer-facilitated cryoprotection of viruses.


ABSTRACT: Global vaccination and gene therapy programs have an urgent demand for stabilization of viral vectors at low temperature. We used a quadramer, a bridge-connected DNA tetra-aptamer to antivesicular stomatitis virus (VSV), as a viral cryoprotectant. Results showed that the tetravalent antivirus DNA aptamers protect viral activity during multiple freeze-thaw cycles, shield from neutralizing antibodies, and decrease aggregation of viral particles.

SUBMITTER: Ghobadloo SM 

PROVIDER: S-EPMC4233356 | biostudies-other | 2014 Nov

REPOSITORIES: biostudies-other

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