Evidence map›Paper›PMID 31724067›Full record

ArticleParasitology research2019

Recombinant Opisthorchis viverrini tetraspanin expressed in Pichia pastoris as a potential vaccine candidate for opisthorchiasis.

Luyen Thi Phung, Sujittra Chaiyadet, Nuttanan Hongsrichan, Javier Sotillo, Hang Dinh Thi Dieu, Canh Quang Tran, Paul J Brindley, Alex Loukas, Thewarach Laha

Open access · greenAbstract read
In one paragraph

Article in Parasitology research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.0field-weighted citation impact, top 15% 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

16 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Tetraspanins frombioRxiv : the preprint server for biology · 2023
    Article
  6. Pathogens (Basel, Switzerland) · 2023
    Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. 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

9 authors at 4 institutions in 5 countries.

Luyen Thi PhungDepartment of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
Sujittra ChaiyadetDepartment of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
Nuttanan HongsrichanDepartment of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
Javier SotilloCentro Nacional de Microbiología, Instituto de Salud Carlos III, Madrid, Majadahonda, Spain.
Hang Dinh Thi DieuHai Duong Medical Technical University, Hai Duong City, Hai Duong Province, Vietnam.
Canh Quang TranHai Duong Medical Technical University, Hai Duong City, Hai Duong Province, Vietnam.
Paul J BrindleyDepartment of Microbiology, Immunology and Tropical Medicine, George Washington University, Washington, DC, USA.
Alex LoukasCentre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia.
Thewarach LahaDepartment of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand. thewa_la@kku.ac.th.ORCID http://orcid.org/0000-0003-1334-9976
Khon Kaen University · THAustralian Institute of Tropical Health and Medicine · AUUniversity of Hai Duong · VNGeorge Washington University · US

Funding

Targeting parasite-host communication to combat liver fluke-induced bile duct cancerR01CA164719 · NCI · GEORGE WASHINGTON UNIVERSITY · PI Paul J Brindley, THEWARACH LAHA · 2012 to 2026
$5.0M
NCI NIH HHS R01 CA164719
6 · The paper itself

Abstract

Opisthorchiasis affects millions of people in Southeast Asia and has been strongly associated with bile duct cancer. Current strategic control approaches such as chemotherapy and health education are not sustainable, and a prophylactic vaccine would be a major advance in the prevention of the disease. Tetraspanins are transmembrane proteins previously described as potential vaccine candidates for other helminth infections and are also found in the membranes of the tegument and extracellular vesicles of O. viverrini. Here, we investigated the potential of a recombinant protein encoding for the large extracellular loop of O. viverrini tetraspanin-2 (rOv-LEL-TSP-2) in a hamster vaccination model. Hamsters were vaccinated with 50 and 100 μg of rOv-LEL-TSP-2 produced from Pichia pastoris yeast combined with alum CpG adjuvant via the intraperitoneal route. The number of worms recovered from hamsters vaccinated with rOv-LEL-TSP-2 was significantly reduced compared to adjuvant control groups. Fecal egg output was also significantly reduced in vaccinated animals, and the average length of worms recovered from vaccinated animals was significantly shorter than that of the control group. Vaccinated animals showed significantly increased levels of anti-rOv-TSP-2 IgG in the sera after three immunizations, as well as increased levels of several T helper type 1 cytokines in the spleen including IFN-γ and IL-6 but not the Th2/regulatory cytokines IL-4 or IL-10. These results suggest that rOv-TSP-2 could be a potential vaccine against opisthorchiasis and warrants further exploration.

Indexed as

AnimalsAntibodies, ProtozoanBile Ducts, IntrahepaticCricetinaeCytokinesHumansOpisthorchiasisOpisthorchisPichiaProtozoan VaccinesRecombinant ProteinsTetraspaninsTh1 CellsVaccinationAntibodies, ProtozoanCytokinesProtozoan VaccinesRecombinant ProteinsTetraspaninsOpisthorchis viverriniPichia pastorisTetraspaninVaccination

Identifiers

PMID31724067
PMCPMC6899162
OpenAlexW2987145991

What OpenQuestion holds

Textmetadata
LicenceTDM
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.