Evidence map›Paper›PMID 34183752›Full record

ArticleScientific reports2021

Structural characterisation of inhibitory and non-inhibitory MMP-9-TIMP-1 complexes and implications for regulatory mechanisms of MMP-9.

Łukasz Charzewski, Krystiana A Krzyśko, Bogdan Lesyng

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. 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
2.1field-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, 31 citations in OpenAlex.

  1. Review
  2. Review
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  4. Article
  5. Exploring the Regulatory Function of NGAL in MMP-9 Complexes.Computational and structural biotechnology journal · 2026
    Article
  6. Review
  7. Article
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  16. Tissue inhibitors of metalloproteinases are proteolytic targets of matrix metalloproteinase 9.Matrix biology : journal of the International Society for Matrix Biology · 2023
    Article
  17. Article
  18. Matrix Metalloproteinases in Chronic Obstructive Pulmonary Disease.International journal of molecular sciences · 2023
    Review
  19. Article
  20. Investigation of the Possible Protective Effect ofAntioxidants (Basel, Switzerland) · 2022
    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

3 authors at 1 institution in 1 country.

Łukasz CharzewskiDepartment of Biophysics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093, Warsaw, Poland.
Krystiana A KrzyśkoDepartment of Biophysics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093, Warsaw, Poland. krzysko@fuw.edu.pl.
Bogdan LesyngDepartment of Biophysics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093, Warsaw, Poland.
University of Warsaw · PL

Funding

The European Regional Development Fund POIG.02.01.00-14-122/09University of Warsaw, Faculty of Physics (PP/BF) 501-D111-01-1110102
6 · The paper itself

Abstract

MMP-9 plays a number of important physiological functions but is also responsible for many pathological processes, including cancer invasion, metastasis, and angiogenesis. It is, therefore, crucial to understand its enzymatic activity, including activation and inhibition mechanisms. This enzyme may also be partially involved in the "cytokine storm" that is characteristic of COVID-19 disease (SARS-CoV-2), as well as in the molecular mechanisms responsible for lung fibrosis. Due to the variety of processing pathways involving MMP-9 in biological systems and its uniqueness due to the O-glycosylated domain (OGD) and fibronectin-like (FBN) domain, specific interactions with its natural TIMP-1 inhibitor should be carefully studied, because they differ significantly from other homologous systems. In particular, earlier experimental studies have indicated that the newly characterised circular form of a proMMP-9 homotrimer exhibits stronger binding properties to TIMP-1 compared to its monomeric form. However, molecular structures of the complexes and the binding mechanisms remain unknown. The purpose of this study is to fill in the gaps in knowledge. Molecular modelling methods are applied to build the inhibitory and non-inhibitory MMP-9-TIMP-1 complexes, which allows for a detailed description of these structures and should allow for a better understanding of the regulatory processes in which MMP-9 is involved.

Indexed as

Molecular Dynamics SimulationEnzyme PrecursorsHumansMatrix Metalloproteinase 9Protein BindingProtein DomainsProtein MultimerizationStatic ElectricityTissue Inhibitor of Metalloproteinase-1Enzyme PrecursorsMatrix Metalloproteinase 9pro-matrix metalloproteinase 9Tissue Inhibitor of Metalloproteinase-1

Identifiers

PMID34183752
PMCPMC8238946
OpenAlexW3175717659

What OpenQuestion holds

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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.