Evidence map›Paper›PMID 27158334›Full record

ArticleAmerican journal of translational research2016

The GroEL protein of Porphyromonas gingivalis regulates atherogenic phenomena in endothelial cells mediated by upregulating toll-like receptor 4 expression.

Chun-Yao Huang, Chun-Ming Shih, Nai-Wen Tsao, Yi-Wen Lin, Chun-Che Shih, Kuang-Hsing Chiang, Song-Kun Shyue, Yu-Jia Chang, Chi-Kun Hsieh, Feng-Yen Lin

Open access · greenAbstract read
In one paragraph

Article in American journal of translational research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.7field-weighted citation impact, top 17% 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

20 citing papers in PubMed, 35 citations in OpenAlex.

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  8. Frontiers in immunology · 2023
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  9. The pathogenic mechanism of oral bacteria and treatment with inhibitors.Clinical and experimental dental research · 2022
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  12. Immune Mechanisms of Plaque Instability.Frontiers in cardiovascular medicine · 2021
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  13. Observational
  14. [Effect ofBeijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2020
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  15. Infection and atherosclerosis: TLR-dependent pathways.Cellular and molecular life sciences : CMLS · 2020
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  16. Article
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  19. Eotaxin-2 increased toll-like receptor 4 expression in endothelial cellsAmerican journal of translational research · 2016
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  20. Review
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

10 authors at 2 institutions in 1 country.

Chun-Yao HuangDepartment of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan; Division of Cardiology and Cardiovascular Research Center, Department of Internal Medicine, Taipei Medical University HospitalTaipei, Taiwan.
Chun-Ming ShihDepartment of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan; Division of Cardiology and Cardiovascular Research Center, Department of Internal Medicine, Taipei Medical University HospitalTaipei, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan.
Nai-Wen TsaoDivision of Cardiovascular Surgery, Taipei Medical University Hospital Taipei.
Yi-Wen LinDepartment of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan; Institute of Oral Biology, National Yang-Ming UniversityTaipei, Taiwan.
Chun-Che ShihDivision of Cardiovascular Surgery, Taipei Veterans General Hospital Taipei, Taiwan.
Kuang-Hsing ChiangDepartment of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan; Division of Cardiology and Cardiovascular Research Center, Department of Internal Medicine, Taipei Medical University HospitalTaipei, Taiwan.
Song-Kun ShyueInstitute of Biomedical Sciences, Academia Sinica Taipei, Taiwan.
Yu-Jia ChangGraduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University Taipei, Taiwan.
Chi-Kun HsiehDepartment of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University Taipei, Taiwan.
Feng-Yen LinDepartment of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan; Division of Cardiology and Cardiovascular Research Center, Department of Internal Medicine, Taipei Medical University HospitalTaipei, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical UniversityTaipei, Taiwan.
Institute of Biomedical Sciences, Academia Sinica · TWTaipei Medical University · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Porphyromonas gingivalis (P. gingivalis) is a bacterial species that causes periodontitis. GroEL from P. gingivalis may possess biological activity and may be involved in the destruction of periodontal tissues. However, it is unclear whether P. gingivalis GroEL enhances the appearance of atherogenic phenomena in endothelial cells and vessels. Here, we constructed recombinant GroEL from P. gingivalis to investigate its effects in human coronary artery endothelial cells (HCAECs) in vitro and on aortas of high-cholesterol (HC)-fed B57BL/6 and B57BL/6-Tlr4(lps-del) mice in vivo. The results showed that GroEL impaired tube-formation capacity under non-cytotoxic conditions in HCAECs. GroEL increased THP-1 cell/HCAEC adhesion by increasing the expression of intracellular adhesion molecule (ICAM)-1 and vascular adhesion molecule (VCAM)-1 in endothelial cells. Additionally, GroEL increased DiI-oxidized low density lipoprotein (oxLDL) uptake, which may be mediated by elevated lectin-like oxLDL receptor (LOX)-1 but not scavenger receptor expressed by endothelial cells (SREC) and scavenger receptor class B1 (SR-B1) expression. Furthermore, GroEL interacts with toll-like receptor 4 (TLR4) and plays a causal role in atherogenesis in HCAECs. Human antigen R (HuR), an RNA-binding protein with a high affinity for the 3' untranslated region (3'UTR) of TLR4 mRNA, contributes to the up-regulation of TLR4 induced by GroEL in HCAECs. In a GroEL animal administration study, GroEL elevated ICAM-1, VCAM-1, LOX-1 and TLR4 expression in the aortas of HC diet-fed wild C57BL/6 but not C57BL/6-Tlr4(lps-del) mice. Taken together, our findings suggest that P. gingivalis GroEL may contribute to cardiovascular disorders by affecting TLR4 expression.

Indexed as

atherosclerosisGroELPorphyromonas gingivalis

Identifiers

PMID27158334
PMCPMC4846891
OpenAlexW2392493340

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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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.