Evidence map›Paper›PMID 26823777›Full record

ArticleInternational journal of clinical and experimental pathology2015

Expression of MMP-9/TIMP-2 in nasal polyps and its functional implications.

Xuechang Li, Yanli Tao, Xuezhong Li

Open access · greenAbstract read
In one paragraph

Article in International journal of clinical and experimental pathology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 31% 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

  1. Roles of Exosomes in Chronic Rhinosinusitis: A Systematic Review.International journal of molecular sciences · 2022
    Pooled it
  2. Article
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  4. Expression profiles of MMP-9 and EMMPRIN in chronic rhinosinusitis with nasal polyps.Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale · 2023
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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

3 authors at 2 institutions in 1 country.

Xuechang LiDepartment of Otolaryngolgogy, Qilu Hospital of Shandong UniversityJinan 250012, China; Department of Otorhinolaryngology, Weifang People's HospitalWeifang 261041, Shandong, China.
Yanli TaoDepartment of Otorhinolaryngology, Weifang People's Hospital Weifang 261041, Shandong, China.
Xuezhong LiDepartment of Otolaryngolgogy, Qilu Hospital of Shandong University Jinan 250012, China.
Weifang People's Hospital · CNQilu Hospital of Shandong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nasal polyps (NP) involve tissue repair and structural remodel, both of which require the extracellular matrix. Matrix metalloproteinase (MMP) and tissue inhibitor of metalloproteinase (TIMP) are known regulators for tissue reconstruction. This study therefore aimed to analyze the expressional profile of MMP-9 and TIMP-2 in NP patients, with further investigation of their roles in pathogenesis. A total of 60 NP tissue samples (including 15 type I, 21 type II and 24 type III) were collected from surgeries in our hospital, in addition to 6 normal ethmoid sinus mucosa samples. The mRNA and protein expression levels of MMP-9/TIMP-2 were quantified by real-time PCR and Western blotting, respectively. Serum levels were also checked by enzyme-linked immunosorbent assay (ELISA). Both mRNA and protein levels of MMP-9 in NP tissues or serum were significantly elevated compared to those in control ones (P<0.05) while the TIMP-2 expression was suppressed (P<0.05). In patients with more advanced stage, MMP-9 expression was further elevated, with lowered TIMP-2 levels (P<0.05 in both cases). Pathogenesis and progression of NP is closely related with elevated MMP-9 and suppressed TIMP-2 expression, suggesting the role of those factors as indexes for evaluating NP stage. Our results also provide evidences for further studies of pathogenesis and drug targets of NP.

Indexed as

AdultBlotting, WesternDisease ProgressionEnzyme-Linked Immunosorbent AssayFemaleHumansMaleMatrix Metalloproteinase 9Middle AgedNasal PolypsReal-Time Polymerase Chain ReactionTissue Inhibitor of Metalloproteinase-2TranscriptomeMatrix Metalloproteinase 9MMP9 protein, humanTIMP2 protein, humanTissue Inhibitor of Metalloproteinase-2chronic sinusitisMMP-9Nasal polypsTIMP-2

Identifiers

PMID26823777
PMCPMC4713563
OpenAlexW2410000064

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.