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Release of Anti-inflammatory Peptides from Thermosensitive Nanoparticles with Degradable Cross-Links Suppresses Pro-inflammatory Cytokine Production

Biomacromolecules, ISSN: 1526-4602, Vol: 16, Issue: 4, Page: 1191-1200
2015
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Article Description

(Chemical Presented) Pro-inflammatory cytokines tumor necrosis factor α (TNF-α) and interleukin 6 (IL-6) are mediators in the development of many inflammatory diseases. To demonstrate that macrophages take up and respond to thermosensitive nanoparticle drug carriers, we synthesized PEGylated poly(N-isopropylacrylamide-2-acrylamido-2-methyl-1-propanesulfonate) particles cross-linked with degradable disulfide (N,N′-bis(acryloyl)cystamine) (NGPEGSS). An anti-inflammatory peptide (KAFAK) was loaded and released from the thermosensitive nanoparticles and shown to suppress levels of TNF-α and IL-6 production in macrophages. Cellular uptake of fluorescent, thermosensitive, and degradable nanoparticles and therapeutic efficacy of free KAFAK peptide compared to that of KAFAK loaded in PEGylated degradable thermosensitive nanoparticles were examined. The data suggests that the degradable, thermosensitive nanoparticles loaded with KAFAK may be an effective tool to treat inflammatory diseases.

Bibliographic Details

Poh, Scott; Lin, Jenny B; Panitch, Alyssa

American Chemical Society (ACS)

Chemical Engineering; Materials Science

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