Evidence map›Paper›PMID 35047645›Full record

ArticleJournal of immunology research2022

C-Reactive Protein Knockout Attenuates Temporomandibular Joint Inflammation in Rats.

Yao He, Mengjiao Zhou, Zixiang Jian, Lingli Fang, Lan Huang, Jinlin Song

Open access · goldAbstract read
In one paragraph

Article in Journal of immunology research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
3.8field-weighted citation impact, top 7% 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

10 citing papers in PubMed, 16 citations in OpenAlex.

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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

6 authors at 1 institution in 1 country.

Yao HeDepartment of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China.ORCID https://orcid.org/0000-0002-7165-4517
Mengjiao ZhouDepartment of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China.ORCID https://orcid.org/0000-0002-4446-4742
Zixiang JianDepartment of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China.ORCID https://orcid.org/0000-0003-0244-0694
Lingli FangDepartment of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China.ORCID https://orcid.org/0000-0001-7508-3531
Lan HuangDepartment of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China.ORCID https://orcid.org/0000-0001-5590-1701
Jinlin SongDepartment of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, China.ORCID https://orcid.org/0000-0002-0224-6640
Stomatological Hospital of Chongqing Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundC-reactive protein (CRP), a biomarker of inflammation, is highly expressed in osteoarthritis- (OA-) related diseases, but its exact role remains unknown. In this study, we evaluated the biological effect of CRP on temporomandibular joint (TMJ) inflammation.

methodsFreund's complete adjuvant (CFA) was used to induce TMJ inflammation in CRP-knockout (CRP-/-) and control rats. Degenerative changes in the TMJ were compared to elucidate the role of CRP in TMJ inflammation. In addition, inflammatory cytokines, macrophage activation, and osteoclast differentiation were evaluated by real-time quantitative polymerase chain reaction, immunohistochemistry, and tartrate-resistant phosphatase staining to explore the potential regulatory mechanism.

resultsCompared to the control, CFA induced TMJ inflammation, which increased systemic and local CRP expression. Furthermore, CRP-/- rats exhibited less severe inflammatory symptoms. The downregulation of proinflammatory cytokines (interleukin- (IL-) 1

conclusionThese results indicated that controlling the highly elevated levels of CRP during inflammation could modify the cytokine profile, macrophage activation, and osteoclast differentiation, thus, providing beneficial effects for TMJ-OA prevention and treatment.

Indexed as

AnimalsC-Reactive ProteinCytokinesFreund's AdjuvantHumansInflammationInterleukin-1betaMaleOsteoarthritisRatsTemporomandibular JointUp-RegulationC-Reactive ProteinCytokinesFreund's AdjuvantIL1B protein, humanInterleukin-1beta

Identifiers

PMID35047645
PMCPMC8763526
OpenAlexW4205427729

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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.