Evidence map›Paper›PMID 21591259›Full record

ArticleEMBO molecular medicine2011

A matrix metalloprotease-PAR1 system regulates vascular integrity, systemic inflammation and death in sepsis.

Sarah L Tressel, Nicole C Kaneider, Shogo Kasuda, Caitlin Foley, Georgios Koukos, Karyn Austin, Anika Agarwal, Lidija Covic, Steven M Opal, Athan Kuliopulos

Open access · goldAbstract read
In one paragraph

Article in EMBO molecular medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 71 papers.

0numbers the graph read from it
0cells of the map it votes in
71citing papers in PubMed
4.3field-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

71 citing papers in PubMed, 116 citations in OpenAlex.

  1. Trial
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  7. Biological attributes of zinc-dependent endopeptidases in endothelial dysfunction associated with sepsis: a narrative review.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2025
    Review
  8. Review
  9. Article
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  11. Article
  12. Frontiers in pharmacology · 2024
    Review
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  16. Article
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11 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 4 institutions in 2 countries.

Sarah L TresselHemostasis and Thrombosis Laboratory, Departments of Medicine and Biochemistry, Molecular Oncology Research Institute, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA.
Nicole C Kaneider
Shogo Kasuda
Caitlin Foley
Georgios Koukos
Karyn Austin
Anika Agarwal
Lidija Covic
Steven M Opal
Athan Kuliopulos
Tufts Medical Center · USMolecular Oncology (United States) · USTufts University · USMemorial Hospital of Rhode Island · US

Funding

TUSM/T-NEMC CENTER FOR NEUROSCIENCE RESEARCH - Imaging CoreP30NS047243 · NINDS · TUFTS UNIVERSITY BOSTON · PI JACKSON, F ROB · 2003 to 2017
$10.0M
Protease-activated receptors in vascular integrity and dysfunctionR01HL057905 · NHLBI · TUFTS MEDICAL CENTER · PI KULIOPULOS, ATHAN · 1999 to 2010
$4.0M
THROMBIN RECEPTOR-G PROTEIN SIGNALING MECHANISMSR01HL064701 · NHLBI · TUFTS MEDICAL CENTER · PI KULIOPULOS, ATHAN · 2001 to 2011
$3.8M
Protease Activated Receptors in Cancer InvasionR01CA104406 · NCI · TUFTS MEDICAL CENTER · PI COVIC, LIDIJA · 2005 to 2009
$1.6M
Inter-Cellular Signaling of Invastion Receptors in the Tumor MicroenvironmentR01CA122992 · NCI · TUFTS MEDICAL CENTER · PI KULIOPULOS, ATHAN · 2007 to 2010
$1.2M
NCI NIH HHS CA104406NCI NIH HHS CA122992NCI NIH HHS R01 CA104406NCI NIH HHS R01 CA122992NHLBI NIH HHS HL57905NHLBI NIH HHS HL64701NHLBI NIH HHS R01 HL057905NHLBI NIH HHS R01 HL064701NINDS NIH HHS P30 NS047243
6 · The paper itself

Abstract

Sepsis is a deadly disease characterized by the inability to regulate the inflammatory-coagulation response in which the endothelium plays a key role. The cause of this perturbation remains poorly understood and has hampered the development of effective therapeutics. Matrix metalloproteases (MMPs) are involved in the host response to pathogens, but can also cause uncontrolled tissue damage and contribute to mortality. We found that human sepsis patients had markedly elevated plasma proMMP-1 and active MMP-1 levels, which correlated with death at 7 and 28 days after diagnosis. Likewise, septic mice had increased plasma levels of the MMP-1 ortholog, MMP-1a. We identified mouse MMP-1a as an agonist of protease-activated receptor-1 (PAR1) on endothelial cells. MMP-1a was released from endothelial cells in septic mice. Blockade of MMP-1 activity suppressed endothelial barrier disruption, disseminated intravascular coagulation (DIC), lung vascular permeability as well as the cytokine storm and improved survival, which was lost in PAR1-deficient mice. Infusion of human MMP-1 increased lung vascular permeability in normal wild-type mice but not in PAR1-deficient mice. These findings implicate MMP-1 as an important activator of PAR1 in sepsis and suggest that therapeutics that target MMP1-PAR1 may prove beneficial in the treatment of sepsis.

Indexed as

AnimalsCapillary PermeabilityEndothelial CellsHumansInflammationMatrix Metalloproteinase 1Matrix Metalloproteinase InhibitorsMiceMice, Inbred C57BLMice, KnockoutReceptor, PAR-1rho GTP-Binding ProteinsSepsisSignal TransductionMatrix Metalloproteinase 1Matrix Metalloproteinase InhibitorsReceptor, PAR-1rho GTP-Binding Proteins

Identifiers

PMID21591259
PMCPMC3394510
OpenAlexW2135400753

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.