Evidence map›Paper›PMID 25673638›Full record

ArticleBlood2015

Endogenous plasminogen activators mediate progressive intracerebral hemorrhage after traumatic brain injury in mice.

Nuha Hijazi, Rami Abu Fanne, Rinat Abramovitch, Serge Yarovoi, Muhamed Higazi, Suhair Abdeen, Maamon Basheer, Emad Maraga, Douglas B Cines, Abd Al-Roof Higazi

Open access · bronzeAbstract read
In one paragraph

Article in Blood, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed, 1 pooled it
7.1field-weighted citation impact, top 2% 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

57 citing papers in PubMed, 1 synthesis or guideline pooled it, 126 citations in OpenAlex.

  1. Therapeutic efficacy of tranexamic acid on traumatic brain injury: a systematic review and meta-analysis.Scandinavian journal of trauma, resuscitation and emergency medicine · 2024
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  13. Disseminated intravascular coagulation.Journal of intensive care · 2025
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  18. The role of fibrinogen in traumatic brain injury: from molecular pathological mechanisms to clinical management.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2023
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 2 institutions in 2 countries.

Nuha HijaziDepartment of Clinical Biochemistry and.
Rami Abu FanneDepartment of Clinical Biochemistry and.
Rinat AbramovitchMRI/MRS Laboratory of the Human Biology Research Center, Department of Medical Biophysics, Hebrew University-Hadassah Medical Center, Jerusalem, Israel; and.
Serge YarovoiDepartment of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
Muhamed HigaziDepartment of Clinical Biochemistry and.
Suhair AbdeenDepartment of Clinical Biochemistry and.
Maamon BasheerDepartment of Clinical Biochemistry and.
Emad MaragaDepartment of Clinical Biochemistry and.
Douglas B CinesDepartment of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
Abd Al-Roof HigaziDepartment of Clinical Biochemistry and Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
University of Pennsylvania · USHadassah Medical Center · IL

Funding

TRAINING GRANT IN HEMOSTASIS AND THROMBOSIST32HL007971 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI Rodney M Camire · 2001 to 2026
$10.6M
Urokinase, Defensin and Acute Lung InjuryP01HL076406 · NHLBI · UNIVERSITY OF TEXAS HLTH CTR AT TYLER · PI RAO, A VIJAYA · 2005 to 2009
$7.7M
Alpha-Defensins in perioperative thrombosisR01HL123912 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI HIGAZI, ABD ALROOF, WEISEL, JOHN W · 2015 to 2018
$1.8M
Expansion of intracranial hemorrhage by tPA after traumatic brain injuryR21NS080014 · NINDS · UNIVERSITY OF PENNSYLVANIA · PI HIGAZI, ABD ALROOF · 2013 to 2014
$438k
NHLBI NIH HHS HL82545NHLBI NIH HHS P01 HL076406NHLBI NIH HHS T32 HL007971NINDS NIH HHS R21 NS080014
6 · The paper itself

Abstract

Persistent intracerebral hemorrhage (ICH) is a major cause of death and disability after traumatic brain injury (TBI) for which no medical treatment is available. Delayed bleeding is often ascribed to consumptive coagulopathy initiated by exposed brain tissue factor. We examined an alternative hypothesis, namely, that marked release of tissue-type plasminogen activator (tPA) followed by delayed synthesis and release of urokinase plasminogen activator (uPA) from injured brain leads to posttraumatic bleeding by causing premature clot lysis. Using a murine model of severe TBI, we found that ICH is reduced in tPA(-/-) and uPA(-/-) mice but increased in PAI-1(-/-) mice compared with wild-type (WT) mice. tPA(-/-), but not uPA(-/-), mice developed a systemic coagulopathy post-TBI. Tranexamic acid inhibited ICH expansion in uPA(-/-)mice but not in tPA(-/-) mice. Catalytically inactive tPA-S(481)A inhibited plasminogen activation by tPA and uPA, attenuated ICH, lowered plasma d-dimers, lessened thrombocytopenia, and improved neurologic outcome in WT, tPA(-/-), and uPA(-/-) mice. ICH expansion was also inhibited by tPA-S(481)A in WT mice anticoagulated with warfarin. These data demonstrate that protracted endogenous fibrinolysis induced by TBI is primarily responsible for persistent ICH and post-TBI coagulopathy in this model and offer a novel approach to interrupt bleeding.

Indexed as

AnimalsAntifibrinolytic AgentsBrainBrain InjuriesCerebral HemorrhageFibrinFibrinolysisHumansMaleMice, Inbred C57BLMice, KnockoutMutationPlasminogenPlasminogen Activator Inhibitor 1Protein BindingTime FactorsAntifibrinolytic AgentsFibrinPlasminogenPlasminogen Activator Inhibitor 1Tissue Plasminogen ActivatorTranexamic AcidUrokinase-Type Plasminogen Activator

Identifiers

PMID25673638
PMCPMC4400292
OpenAlexW1987604733

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.