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Delivery of a peptide via poly(D,L-lactic-co-glycolic) acid nanoparticles enhances its dendritic cell-stimulatory capacity
University of California San Diego.
University of California San Diego.
University of California San Diego.
University of California San Diego.
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2010 (English)In: NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE, ISSN 1549-9634, Vol. 6, no 5, 651-661 p.Article in journal (Refereed) Published
Abstract [en]

Nanoparticles (NPs) are attractive carriers for vaccines. We have previously shown that a short peptide (Hp91) activates dendritic cells (DCs), which are critical for initiation of immune responses. In an effort to develop Hp91 as a vaccine adjuvant with NP carriers, we evaluated its activity when encapsulated in or conjugated to the surface of poly(D, L-lactic-co-glycolic) acid (PLGA) NPs. We found that Hp91, when encapsulated in or conjugated to the surface of PLGA-NPs, not only activates both human and mouse DCs, but is in fact more potent than free Hp91. Hp91 packaged within NPs was about fivefold more potent than the free peptide, and Hp91 conjugated to the surface of NPs was similar to 20-fold more potent than free Hp91. Because of their capacity to activate DCs, such NP-Hp91 systems are promising as delivery vehicles for subunit vaccines against infectious disease or cancer.

Place, publisher, year, edition, pages
Future Medicine , 2010. Vol. 6, no 5, 651-661 p.
Keyword [en]
PLGA nanoparticles, Peptide conjugation, Immune stimulation, Dendritic cells, HMGB1
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-60694DOI: 10.1016/j.nano.2010.03.001ISI: 000282371100006OAI: oai:DiVA.org:liu-60694DiVA: diva2:359873
Available from: 2010-11-01 Created: 2010-10-22 Last updated: 2010-11-01

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Larsson, Marie

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