Evidence map›Paper›PMID 21524282›Full record

ArticleRespiratory research2011

Genetic variation in TIMP1 but not MMPs predict excess FEV1 decline in two general population-based cohorts.

C C van Diemen, D S Postma, M Siedlinski, A Blokstra, H A Smit, H M Boezen

Open access · goldAbstract read
In one paragraph

Article in Respiratory research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
5.0field-weighted citation impact, top 5% 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

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 43 citations in OpenAlex.

  1. Pooled it
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  6. Polymorphisms in MMP-14 and MMP-2 genes and ovarian cancer survival.Cancer biomarkers : section A of Disease markers · 2019
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  9. Frequency of the common promoter polymorphismBiotechnology, biotechnological equipment · 2015
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  10. Article
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  12. Observational
  13. Article
  14. Article
  15. Article
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  17. Article
  18. Updates on the COPD gene list.International journal of chronic obstructive pulmonary disease · 2012
    Review
  19. 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

6 authors at 3 institutions in 1 country.

C C van DiemenDepartment of Epidemiology, University of Groningen, Groningen, The Netherlands.
D S Postma
M Siedlinski
A Blokstra
H A Smit
H M Boezen
University Medical Center Groningen · NLNational Institute for Public Health and the Environment · NLUniversity of Groningen · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAn imbalance in matrix metalloproteases (MMPs) and tissue inhibitors of MMPs (TIMPs) contributes to chronic obstructive pulmonary disease (COPD) development. Longitudinal studies investigating Single Nucleotide Polymorphisms (SNPs) in MMPs and TIMPs with respect to COPD development and lung function decline in the general population are lacking.

methodsWe genotyped SNPs in MMP1 (G-1607GG), MMP2 (-1306 C/T), MMP9 (3 tagging SNPs), MMP12 (A-82G and Asn357Ser) and TIMP1 (Phe124Phe and Ile158Ile) in 1390 Caucasians with multiple FEV1 measurements from a prospective cohort study in the general population. FEV1 decline was analyzed using linear mixed effect models adjusted for confounders. Analyses of the X-chromosomal TIMP1 gene were stratified according to sex. All significant associations were repeated in an independent general population cohort (n=1152).

resultsMMP2 -1306 TT genotype carriers had excess FEV1 decline (-4.0 ml/yr, p=0.03) compared to wild type carriers. TIMP1 Ile158Ile predicted significant excess FEV1 decline in both males and females. TIMP1 Phe124Phe predicted significant excess FEV1 decline in males only, which was replicated (p=0.10) in the second cohort. The MMP2 and TIMP1 Ile158Ile associations were not replicated. Although power was limited, we did not find associations with COPD development.

conclusionsWe for the first time show that TIMP1 Phe124Phe contributes to excess FEV1 decline in two independent prospective cohorts, albeit not quite reaching conventional statistical significance in the replication cohort. SNPs in MMPs evidently do not contribute to FEV1 decline in the general population.

Indexed as

Polymorphism, Single NucleotideAdultAgedAnalysis of VarianceFemaleForced Expiratory VolumeGene FrequencyGenetic Predisposition to DiseaseHumansLinear ModelsLungMaleMatrix Metalloproteinase 1Matrix Metalloproteinase 12Matrix Metalloproteinase 2Matrix Metalloproteinase 9Matrix Metalloproteinase 1Matrix Metalloproteinase 12Matrix Metalloproteinase 2Matrix Metalloproteinase 9Matrix Metalloproteinases, SecretedMMP12 protein, humanMMP1 protein, humanMMP2 protein, humanTissue Inhibitor of Metalloproteinase-1

Identifiers

PMID21524282
PMCPMC3111362
OpenAlexW2124920819

What OpenQuestion holds

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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.