Evidence map›Paper›PMID 25483698›Full record

ArticleHuman vaccines & immunotherapeutics2014

HPV16L1-attenuated Shigella recombinant vaccine induced strong vaginal and systemic immune responses in guinea pig model.

Xiaofei Yan, Depu Wang, Fengli Liang, Ling Fu, Cheng Guo

Open access · bronzeAbstract read
In one paragraph

Article in Human vaccines & immunotherapeutics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
1.1field-weighted citation impact, top 23% 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

5 citing papers in PubMed, 12 citations in OpenAlex.

  1. Article
  2. International journal of molecular sciences · 2024
    Review
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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

5 authors at 2 institutions in 1 country.

Xiaofei Yana Department of Genetics and Molecular Biology ; Medical College of Xi'an Jiaotong University ; Xi'an , Shaanxi , China.
Depu Wang
Fengli Liang
Ling Fu
Cheng Guo
First Affiliated Hospital of Xi'an Jiaotong University · CNXi'an Jiaotong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Though human papillomavirus (HPV) vaccines based on L1 virus-like particles (VLPs) have excellent protective effect against HPV-induced cervical cancer, they are too expensive to be afforded by the developing countries, where most cases of cervical cancer occur. A live bacterial-based vaccine could be an inexpensive alternative. The aim of this study was to evaluate the potential value of live attenuated Shigella. flexneri 2a sc602 strain-based HPV16L1 as a high-efficiency, low-cost HPV16L1 mucosal vaccine. Recombinant sc602/L1 vaccine induced high L1-specific systemic and mucosal immune responses as well as cell-mediated Th1 and Th2 immune responses in guinea pig model. Sc602/L1 vaccine induced higher L1-specific IgG and IgA antibodies as well as HPV16-neutralizing antibodies in genital region in sc602/L1 mucosal immunized animals than in L1 intramuscular immunized animals. Though both are via mucosal delivery, immunized sc602/L1 vaccine by rectum route induced higher L1-specific IgA and IgG titers in genital region than by conjunctiva route. In addition, sc602/L1 also strongly increased L1-specific IFN-γ and IL-4 expression, implying its effect on cell-mediated immune response. HPV16L1 was expressed in sc602 bacteria and their biologic characteristics were detected by immunoblot, electron microscope and HeLa cell invasion assay. Guinea pigs were immunized with sc602L1 through conjunctiva (i.c.) or rectum (i.r.). Mucosal and systemic immune responses were detected by ELISA, ELISPOT and Neutralization activity assays. Strong mucosal and systemic immune responses were induced by sc602/L1 vaccine. This study provides evidence that sc602/L1 vaccine may have protective effect on HPV infection.

Indexed as

AnimalsAntibodies, ViralCapsid ProteinsFemaleGuinea PigsHeLa CellsHumansImmunizationInterferon-gammaInterleukin-4Oncogene Proteins, ViralPapillomavirus VaccinesShigellaVaccines, AttenuatedVaccines, SyntheticVaginaAntibodies, ViralCapsid ProteinsInterferon-gammaInterleukin-4L1 protein, Human papillomavirus type 16Oncogene Proteins, ViralPapillomavirus VaccinesVaccines, AttenuatedVaccines, SyntheticDMEM, Dulbecco's minimal essential mediumELISA, Enzyme linked immunosorbent assayELISPOT, enzyme linked immunospotguinea pigsHPV, human papillomavirushuman papillomavirus (HPV)IFN-γ, interferon γIL-4, interleukin 4immune responsesc602/L1SEAP, secreted alkaline phosphataseS.flexneri, Shigella flexnerivaccineVLP, virus like particles

Identifiers

PMID25483698
PMCPMC4514051
OpenAlexW1993121864

What OpenQuestion holds

Textmetadata
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.