ArticleInternational journal of nanomedicine2014
Fabrication of nanoadjuvant with poly-ε-caprolactone (PCL) for developing a single-shot vaccine providing prolonged immunity.
Article in International journal of nanomedicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 5 papers.
What it found
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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.
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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.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- Poly(ε-caprolactone) Nanoparticle Tumor-Lysate Vaccination in Mice Generates Hybridoma-Derived Antibodies Enabling Breast Cancer Diagnosis and Chemotherapy Synergy.Biomedicines · 2026Article
- Beyond Needles: Immunomodulatory Hydrogel-Guided Vaccine Delivery Systems.Gels (Basel, Switzerland) · 2024Review
- Biodegradable polymers for modern vaccine development.Journal of industrial and engineering chemistry (Seoul, Korea) · 2019Review
- Nanomaterials for cancer immunotherapy.Biomaterials · 2017Review
- Non-invasive administration of biodegradable nano-carrier vaccines.American journal of translational research · 2017Review
Corrections and comments
- Erratum issued
Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe aim of the study was to load a model antigen, tetanus toxoid (TT), in poly-ε-caprolactone nanoparticles (PCL NPs) of two size ranges, ie, mean 61.2 nm (small) and 467.6 nm (large), and study its effect on macrophage polarization as well as antigen presentation in human monocyte-derived macrophages in vitro, along with humoral and cell-mediated immune (CMI) response generated in Swiss albino mice following immunization with the TT-loaded NPs. MATERIALS AND
methodsPCL NPs were synthesized by solvent evaporation. The antigen-loaded PCL NPs were characterized for size, zeta potential, and protein-release kinetics. Swiss albino mice were immunized with the antigen-loaded PCL NPs. Flow cytometry was used to quantify interferon-γ- and interleukin-4-secreting cluster of differentiation (CD)4(+) and CD8(+) T cells in the spleen, and enzyme-linked immunosorbent assay was used to quantify anti-TT antibody levels in the serum of immunized mice.
resultsSmall PCL NPs generated an M1/M2 type polarization of human blood monocyte-derived macrophages and T helper (Th)1/Th2 polarization of autologous CD4(+) T cells. Efficient CD8(+) T-cell responses were also elicited. Large PCL NPs failed to cause any type of macrophage polarization. They did not elicit efficient CD8(+) T-cell responses.
conclusionTT-loaded small PCL NPs were able to generate persistent and strong CMI and humoral responses against TT 2 months after single injection in mice without booster dose. This biodegradable nanoadjuvant system may help to develop single-shot immunization for prolonged immunity without booster doses. The capability of enhanced CMI response may have high translational potential for immunization against intracellular infection.
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Registered trials
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.