Hyaluronic acid graft polymers displaying peptide antigen madulate dendritic cell response in vitro

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Issue Date
2014-01-06Author
Chittasupho, Chuda
Sestak, Joshua
Shannon, Laura
Siahaan, Teruna J.
Vines, Charlotte M.
Berkland, Cory J.
Publisher
American Chemical Society
Type
Article
Article Version
Scholarly/refereed, author accepted manuscript
Rights
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Molecular Pharmaceutics, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://doi.org/10.1021/mp4003909.
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Show full item recordAbstract
A novel oxime grafting scheme was utilized to conjugate an ICAM-1 ligand (LABL), a cellular antigen ovalbumin (OVA), or both peptides simultaneously to hyaluronic acid (HA). Samples of HA only and the various peptide grafted HA were found to bind to dendritic cells (DCs). HA with grafted LABL and OVA showed the greatest binding to DCs. Dendritic cells treated with HA, HA with grafted LABL, or HA with grafted LABL and OVA, significantly suppressed T cell and DC conjugate formation, T cell proliferation and reduced proinflammatory cytokine production compared to untreated cells. These results suggest that HA serves as an effective backbone for multivalent ligand presentation for inhibiting T cell response to antigen presentation. In addition, multivalent display of both antigen and an ICAM-1inhibitor (LABL) may enhance binding to DCs and could potentially disrupt cellular signaling leading to autoimmunity.
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Citation
Chittasupho, C., Sestak, J., Shannon, L., Siahaan, T. J., Vines, C. M., & Berkland, C. (2014). Hyaluronic acid graft polymers displaying peptide antigen modulate dendritic cell response in vitro. Molecular Pharmaceutics, 11(1), 367–373. http://doi.org/10.1021/mp4003909
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