期刊
BIOMACROMOLECULES
卷 15, 期 9, 页码 3290-3295出版社
AMER CHEMICAL SOC
DOI: 10.1021/bm500666j
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资金
- National Scientific Foundation [DMR-1308363]
- Direct For Mathematical & Physical Scien [1308363] Funding Source: National Science Foundation
- Division Of Materials Research [1308363] Funding Source: National Science Foundation
Methicillin resistant Staphylococcus aureus (MRSA) is a highly virulent bacterium capable of inflicting severe infections. This pathogen has a long history of developing resistance to antibacterial drugs, and many phenotypes are capable of disabling the host immune response by releasing peptide and protein toxins with the capacity to lyse human polymorphonuclear neutrophils. The peptide phenol-soluble modulin alpha 3 (PSM alpha 3) has been identified as an important toxin released by the most virulent strains of MRSA. A library of polymer nonaparticles was synthesized by precipitation polymerization and screened for their ability to bind and neutralize this toxin. To generate high affinity, monomers were chosen to compliment the functional groups of PSM alpha 3. Nanopartides incorporating aromatic monomers provided a high affinity for the peptide and were effective at neutralizing its toxicity in vitro.
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