Evidence map›Paper›PMID 32000757›Full record

ArticleBMC oral health2020

Substance P participates in periodontitis by upregulating HIF-1α and RANKL/OPG ratio.

Kaixian Yan, Qin Lin, Kailiang Tang, Shuang Liu, Yi Du, Xijiao Yu, Shu Li

Open access · goldAbstract read
In one paragraph

Article in BMC oral health, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.4field-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

23 citing papers in PubMed, 44 citations in OpenAlex.

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  16. Review
  17. Early Biomarkers of Periodontitis: New Challenges for a Personalized Medicine Approach.International journal of environmental research and public health · 2021
    Article
  18. Article
  19. Review
  20. Dietary Factors Affecting the Prevalence and Impact of Periodontal Disease.Clinical, cosmetic and investigational dentistry · 2021
    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

7 authors at 2 institutions in 1 country.

Kaixian YanDepartment of Periodontology, School and Hospital of Stomatology, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, 250012, Jinan, Shandong, People's Republic of China.
Qin LinDepartment of Endodontics, Jinan Stomatological Hospital, Jinan, Shandong, People's Republic of China.
Kailiang TangDepartment of Endodontics, Jinan Stomatological Hospital, Jinan, Shandong, People's Republic of China.
Shuang LiuDepartment of Periodontology, School and Hospital of Stomatology, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, 250012, Jinan, Shandong, People's Republic of China.
Yi DuDepartment of Endodontics, Jinan Stomatological Hospital, Jinan, Shandong, People's Republic of China.
Xijiao YuDepartment of Periodontology, School and Hospital of Stomatology, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, 250012, Jinan, Shandong, People's Republic of China. yayiyu@163.com.
Shu LiDepartment of Periodontology, School and Hospital of Stomatology, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, 250012, Jinan, Shandong, People's Republic of China. lishu@sdu.edu.cn.
Jinan Stomatological Hospital · CNShandong University · CN

Funding

Natural Science Foundation of Shandong Province ZR2017QH007Open Foundation of Shandong Provincial Key Laboratory of Oral Tissue Regeneration SDKQ201704
6 · The paper itself

Abstract

backgroundBoth substance P and hypoxia-inducible factor 1 alpha (HIF-1α) are involved in inflammation and angiogenesis. However, the relationship between substance P and HIF-1α in rat periodontitis is still unknown.

methodsLigation-induced rat periodontitis was established to observe the distribution and expression of substance P and HIF-1α by immunohistochemistry. Rat gingival fibroblasts were cultured and stimulated with Porphyromonas gingivalis lipopolysaccharide (LPS). Recombinant substance P was applied to elaborate the relationship between substance P and HIF-1α in gingival fibroblasts in vitro. Primary mouse bone marrow-derived macrophages (BMMs) were isolated and cultured to observe the effect of substance P on receptor activator of NF-κB ligand (RANKL)-induced osteoclastogenesis by TRAP staining. Western blotting was used to investigate the expression of HIF-1α, osteoprotegerin (OPG) and RANKL.

resultsRat experimental periodontitis was successfully established 6 weeks after ligation. Gingival inflammatory infiltration and alveolar bone loss were observed. Positive expression of substance P was found in the infiltrating cells. Higher HIF-1α levels were observed in periodontitis compared to that of normal tissues. Substance P upregulated the level of HIF-1α in gingival fibroblasts with or without 1 μg/ml LPS in vitro (*P < 0.05). Substance P upregulated the expression of HIF-1α in RANKL-stimulated BMMs in vitro. Substance P also increased the RANKL/OPG ratio in gingival fibroblasts (*P < 0.05). Both 10 nM and 50 nM substance P promoted RANKL-induced osteoclast differentiation (*P < 0.05).

conclusionSubstance P participates in periodontitis by upregulating HIF-1α and the RANKL/OPG ratio.

Indexed as

AnimalsGene Expression RegulationGingivaHypoxia-Inducible Factor 1, alpha SubunitMaleMiceOsteoclastsOsteoprotegerinPeriodontitisPorphyromonas gingivalisRANK LigandRatsRats, WistarSubstance PUp-RegulationHif1a protein, ratHypoxia-Inducible Factor 1, alpha SubunitOsteoprotegerinRANK LigandSubstance PTnfrsf11b protein, ratHIF-1αOsteoclastRANKL/OPGSubstance P

Identifiers

PMID32000757
PMCPMC6993464
OpenAlexW3007809568

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LicenceCC BY
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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.