Evidence map›Paper›PMID 28260878›Full record

ArticleInternational journal of chronic obstructive pulmonary disease2017

Effect of simvastatin on MMPs and TIMPs in cigarette smoke-induced rat COPD model.

Jiawei Sun, Jie Bao, Yanan Shi, Bin Zhang, Lindong Yuan, Junhong Li, Lihai Zhang, Mo Sun, Ling Zhang, Wuzhuang Sun

Open access · goldAbstract read
In one paragraph

Article in International journal of chronic obstructive pulmonary disease, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

22 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. The TIMP protein family: diverse roles in pathophysiology.American journal of physiology. Cell physiology · 2024
    Review
  8. Article
  9. Association of theArchives of medical science : AMS · 2024
    Review
  10. Current pharmaceutical biotechnology · 2024
    Article
  11. Article
  12. Matrix Metalloproteinases in Chronic Obstructive Pulmonary Disease.International journal of molecular sciences · 2023
    Review
  13. Mechanisms of immune regulation for acupuncture on chronic respiratory diseases.Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan · 2022
    Article
  14. Review
  15. Role ofExperimental and therapeutic medicine · 2020
    Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
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 5 institutions in 1 country.

Jiawei SunDepartment of Respiratory Medicine, First Hospital of Hebei Medical University.
Jie BaoDepartment of Respiratory Medicine, Chest Hospital of Hebei Province.
Yanan ShiMaternal and Child Health Care Center of Hebei Province.
Bin ZhangDepartment of Emergency, First Hospital of Hebei Medical University, Shijiazhuang.
Lindong YuanDepartment of Respiratory Medicine, People's Hospital of Liaocheng, Liaocheng.
Junhong LiDepartment of Respiratory Medicine, First Hospital of Hebei Medical University.
Lihai ZhangDepartment of Respiratory Medicine, First Hospital of Hebei Medical University.
Mo SunHebei Medical University, Shijiazhuang, People's Republic of China.
Ling ZhangDepartment of Respiratory Medicine, Chest Hospital of Hebei Province.
Wuzhuang SunDepartment of Respiratory Medicine, First Hospital of Hebei Medical University.
First Affiliated Hospital of Hebei Medical University · CNHospital of Hebei Province · CNHebei Medical University · CNHebei Mental Health Center · CNLiaocheng People's Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundProteases may play an important role in the development of chronic obstructive pulmonary disease and emphysema in response to cigarette smoke exposure (CSE). The current study was designed to investigate the expression of matrix metalloproteinase (MMP)-8, MMP-9, MMP-12, tissue inhibitor of MMP (TIMP)-1, and TIMP-4 in rat lung tissues in response to CSE, and assessed the effect of simvastatin in regulating expression of MMPs and TIMPs.

methodsThirty normal Sprague Dawley (SD) rats were divided into control (n=10), CSE (n=10), and CSE plus simvastatin (n=10) groups. Animals were whole-body exposed to the cigarette smoke in the box for 1 hour each time, twice a day, 5 days a week for 16 weeks. Animals of CSE + simvastatin group were intra-gastrically administered simvastatin at a dose of 5 mg/kg/day followed by CSE. Bronchoalveolar lavage fluid was harvested for inflammatory cell count and lung tissues were stained for morphologic examination. Expression of mRNA and protein level of MMP-8, MMP-9, MMP-12, TIMP-1, and TIMP-4 was assessed by real-time reverse transcription polymerase chain reaction and immunohistochemistry, respectively.

resultsCSE resulted in a significant increase of mean linear intercept (MLI: 34.6±2.0 μm) and bronchial wall thickness and diameter (BWT/D, 0.250±0.062) compared to control (MLI: 24.0±1.7 μm, BWT/D: 0.160±0.034,

conclusionCSE resulted in imbalance of MMPs and TIMPs, and by which mechanism, cigarette smoke may lead to insufficient lung tissue repair. Simvastatin partially blocked airway inflammation and MMP production and, thus, statins may modulate composition of the lung extracellular matrix.

Indexed as

AnimalsAnti-Inflammatory AgentsBronchoalveolar Lavage FluidDisease Models, AnimalLungMacrophages, AlveolarMaleMatrix Metalloproteinase 12Matrix Metalloproteinase 8Matrix Metalloproteinase 9Neutrophil InfiltrationNeutrophilsPulmonary Disease, Chronic ObstructiveRats, Sprague-DawleyRNA, MessengerSimvastatinAnti-Inflammatory Agentsmatrix metallopeptidase 12, ratMatrix Metalloproteinase 12Matrix Metalloproteinase 8Matrix Metalloproteinase 9Mmp9 protein, ratRNA, MessengerSimvastatinSmokeTIMP1 protein, ratTissue Inhibitor of Metalloproteinase-1Tissue Inhibitor of Metalloproteinase-4Tissue Inhibitor of Metalloproteinasessmokingtissue injurytissue repair

Identifiers

PMID28260878
PMCPMC5327908
OpenAlexW2591208832

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.