Journal
MACROMOLECULES
Volume 42, Issue 1, Pages 3-13Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma801782q
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Funding
- NCRR NIH HHS [P20 RR017716-010004, P20 RR017716-030005, P20 RR017716] Funding Source: Medline
- NIBIB NIH HHS [R13 EB005540-01, R13 EB005540] Funding Source: Medline
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Polymeric materials have been applied in therapeutic applications, such as drug delivery and tissue regeneration, for decades owing to their biocompatibility and suitable mechanical properties. In addition. select polymer-drug conjugates have been used as bioactive pharmaceuticals owing to their increased drug efficacy, solubility. and target specificity compared with small-molecule drugs. Increased synthetic control of polymer properties has permitted the production of polymer assemblies for the targeted and controlled delivery of drugs, and polymeric sequestrants take advantage of their lack of solubility for the sequestration of target molecules in vivo. In more recent studies reviewed in greater detail here, the properties of polymers that distinguish them from small-molecule drugs, such as their high molecular weight and their ability to display multiple pendant moieties. have been specifically exploited for activating cellular targets or inhibiting the binding of pathogens. The elucidation of relevant structure-function relationships in investigations of this kind has relied oil the combination of living polymerization methods with chemical conjugation methods, and protein engineering methods have shown increasing potential in the manipulation of architectural features of such polymer therapeutics. Garnering a detailed understanding of the various mechanisms by which multivalent polymers engage biological targets is certain to expand the role of polymers as therapeutics, by enabling highly specific activities of designed polymers in the biological environment.
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