Affinity hydrogels for controlled protein release using nucleic acid aptamers and complementary oligonucleotides

Boonchoy Soontornworajit, Jing Zhou, Matthew P. Snipes, Mark R. Battig, Yong Wang

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Biomaterials for the precise control of protein release are important to the development of new strategies for treating human diseases. This study aimed to fundamentally understand aptamer-protein dissociation triggered by complementary oligonucleotides, and to apply this understanding to develop affinity hydrogels for controlled protein release. The results showed that the oligonucleotide tails of the aptamers played a critical role in inducing intermolecular hybridization and triggering aptamer-protein dissociation. In addition, the attachment of the oligonucleotide tails to the aptamers and the increase of hybridizing length could produce a synergistic effect on the dissociation of bound proteins from their aptamers. More importantly, pegylated complementary oligonucleotides could successfully trigger protein release from the aptamer-functionalized hydrogels at multiple time points. Based on these results, it is believed that aptamer-functionalized hydrogels and complementary oligonucleotides hold great potential of controlling the release of protein drugs to treat human diseases.

Original languageEnglish (US)
Pages (from-to)6839-6849
Number of pages11
JournalBiomaterials
Volume32
Issue number28
DOIs
StatePublished - Oct 1 2011

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Hydrogels
Oligonucleotides
Nucleic acids
Nucleic Acids
Proteins
Tail
Biocompatible Materials
Biomaterials
Pharmaceutical Preparations

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

Cite this

Soontornworajit, Boonchoy ; Zhou, Jing ; Snipes, Matthew P. ; Battig, Mark R. ; Wang, Yong. / Affinity hydrogels for controlled protein release using nucleic acid aptamers and complementary oligonucleotides. In: Biomaterials. 2011 ; Vol. 32, No. 28. pp. 6839-6849.
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Affinity hydrogels for controlled protein release using nucleic acid aptamers and complementary oligonucleotides. / Soontornworajit, Boonchoy; Zhou, Jing; Snipes, Matthew P.; Battig, Mark R.; Wang, Yong.

In: Biomaterials, Vol. 32, No. 28, 01.10.2011, p. 6839-6849.

Research output: Contribution to journalArticle

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