Evidence map›Paper›PMID 21450109›Full record

ArticleJournal of translational medicine2011

Enhanced presentation of MHC class Ia, Ib and class II-restricted peptides encapsulated in biodegradable nanoparticles: a promising strategy for tumor immunotherapy.

Wenxue Ma, Trevor Smith, Vladimir Bogin, Yu Zhang, Cengiz Ozkan, Mihri Ozkan, Melanie Hayden, Stephanie Schroter, Ewa Carrier, Davorka Messmer and 2 more

Open access · goldAbstract read
In one paragraph

Article in Journal of translational medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
2.6field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 42 citations in OpenAlex.

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  9. Nanovaccine: A novel approach in immunization.Journal of cellular physiology · 2019
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 1 country.

Wenxue MaMoores UCSD Cancer Center, University of California San Diego, CA, USA. wma@ucsd.edu
Trevor Smith
Vladimir Bogin
Yu Zhang
Cengiz Ozkan
Mihri Ozkan
Melanie Hayden
Stephanie Schroter
Ewa Carrier
Davorka Messmer
Vipin Kumar
Boris Minev
University of California, San Diego · USUniversity of California, Riverside · USTorrey Pines Institute For Molecular Studies · US

Funding

Research Education CoreU54CA132384 · NCI · SAN DIEGO STATE UNIVERSITY · PI CRIPPS, RICHARD MATTHEW, CROWE, SHEILA E. · 2008 to 2022
$20.7M
Research Education CoreU54CA132379 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI ARREDONDO, ELVA M, CROWE, SHEILA E. · 2008 to 2021
$16.1M
Regulatory CD4/CD8 T cells in autoimmune demyelinationR01AI052227 · NIAID · TORREY PINES INST FOR MOLECULAR STUDIES · PI KUMAR, VIPIN · 2003 to 2006
$1.4M
NCI NIH HHS U54CA132379NCI NIH HHS U54CA132384NIAID NIH HHS R01 AI052227
6 · The paper itself

Abstract

backgroundMany peptide-based cancer vaccines have been tested in clinical trials with a limited success, mostly due to difficulties associated with peptide stability and delivery, resulting in inefficient antigen presentation. Therefore, the development of suitable and efficient vaccine carrier systems remains a major challenge.

methodsTo address this issue, we have engineered polylactic-co-glycolic acid (PLGA) nanoparticles incorporating: (i) two MHC class I-restricted clinically-relevant peptides, (ii) a MHC class II-binding peptide, and (iii) a non-classical MHC class I-binding peptide. We formulated the nanoparticles utilizing a double emulsion-solvent evaporation technique and characterized their surface morphology, size, zeta potential and peptide content. We also loaded human and murine dendritic cells (DC) with the peptide-containing nanoparticles and determined their ability to present the encapsulated peptide antigens and to induce tumor-specific cytotoxic T lymphocytes (CTL) in vitro.

resultsWe confirmed that the nanoparticles are not toxic to either mouse or human dendritic cells, and do not have any effect on the DC maturation. We also demonstrated a significantly enhanced presentation of the encapsulated peptides upon internalization of the nanoparticles by DC, and confirmed that the improved peptide presentation is actually associated with more efficient generation of peptide-specific CTL and T helper cell responses.

conclusionEncapsulating antigens in PLGA nanoparticles offers unique advantages such as higher efficiency of antigen loading, prolonged presentation of the antigens, prevention of peptide degradation, specific targeting of antigens to antigen presenting cells, improved shelf life of the antigens, and easy scale up for pharmaceutical production. Therefore, these findings are highly significant to the development of synthetic vaccines, and the induction of CTL for adoptive immunotherapy.

Indexed as

AnimalsAntigen PresentationBiodegradation, EnvironmentalCell DifferentiationCell Line, TumorDendritic CellsEndocytosisHistocompatibility Antigens Class IHistocompatibility Antigens Class IIHumansImmobilized ProteinsImmunotherapyLactic AcidMiceNanoparticlesNeoplasmsHistocompatibility Antigens Class IHistocompatibility Antigens Class IIImmobilized ProteinsLactic AcidPeptidesPolyglycolic AcidPolylactic Acid-Polyglycolic Acid Copolymer

Identifiers

PMID21450109
PMCPMC3078865
OpenAlexW2104252692

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.