Evidence map›Paper›PMID 18569429›Full record

ArticleJournal of investigative surgery : the official journal of the Academy of Surgical Research

Altered expression of zonula occludens-2 precedes increased blood-brain barrier permeability in a murine model of fulminant hepatic failure.

Naoki Shimojima, Christopher B Eckman, Michael McKinney, Daniel Sevlever, Satoshi Yamamoto, Wenlang Lin, Dennis W Dickson, Justin H Nguyen

Open access · greenAbstract read
In one paragraph

Article in Journal of investigative surgery : the official journal of the Academy of Surgical Research. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.6field-weighted citation impact, top 12% 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, 37 citations in OpenAlex.

  1. Review
  2. The neurogliovascular unit in hepatic encephalopathy.JHEP reports : innovation in hepatology · 2021
    Review
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Annexin A1 restores AβAging cell · 2017
    Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. The liver-brain axis in liver failure: neuroinflammation and encephalopathy.Nature reviews. Gastroenterology & hepatology · 2013
    Review
  14. Brain edema in acute liver failure: role of neurosteroids.Archives of biochemistry and biophysics · 2013
    Article
  15. TIMP-1 attenuates blood-brain barrier permeability in mice with acute liver failure.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2013
    Article
  16. Blood-brain barrier in acute liver failure.Neurochemistry international · 2012
    Review
  17. Article
  18. Article
  19. Review
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

8 authors at 3 institutions in 1 country.

Naoki ShimojimaDepartment of Transplantation, Division of Transplant Surgery, Mayo Clinic College of Medicine, Jacksonville, FL 32216, USA.
Christopher B Eckman
Michael McKinney
Daniel Sevlever
Satoshi Yamamoto
Wenlang Lin
Dennis W Dickson
Justin H Nguyen
Mayo Clinic in Florida · USJacksonville College · USWinnMed · US

Funding

MMP-9 in Blood-Brain Barrier Failure in Fulminant Hepatic FailureR01NS051646 · NINDS · MAYO CLINIC JACKSONVILLE · PI NGUYEN, JUSTIN H · 2007 to 2009
$821k
MMP-9 mediates cerebral edema in fulminant liver failureR21DK064361 · NIDDK · MAYO CLINIC JACKSONVILLE · PI NGUYEN, JUSTIN H · 2003 to 2004
$308k
NIDDK NIH HHS DK064361NIDDK NIH HHS R21 DK064361NINDS NIH HHS R01 NS051646NINDS NIH HHS R01NS051646
6 · The paper itself

Abstract

Brain edema secondary to increased blood-brain barrier (BBB) permeability is a lethal complication in fulminant hepatic failure (FHF). Intact tight junctions (TJ) between brain capillary endothelial cells are critical for normal BBB function. However, the role of TJ in FHF has not been explored. We hypothesized that alterations in the composition of TJ proteins would result in increased BBB permeability in FHF. In this study, FHF was induced in C57BL/6J mice by using azoxymethane. BBB permeability was assessed with sodium fluorescein. Expression of TJ proteins was determined by Western blot, and their cellular distribution was examined using immunofluorescent microscopy. Comatose FHF mice had significant cerebral sodium fluorescein extravasation compared with control and precoma FHF mice, indicating increased BBB permeability. Western blot analysis showed a significant decrease in zonula occludens (ZO)-2 expression starting in the precoma stage. Immunofluorescent microscopy showed a significantly altered distribution pattern of ZO-2 in isolated microvessels from precoma FHF mice. These changes were more prominent in comatose FHF animals. Significant alterations in ZO-2 expression and distribution in the tight junctions preceded the increased BBB permeability in FHF mice. These results suggest that ZO-2 may play an important role in the pathogenesis of brain edema in FHF.

Indexed as

Blood-Brain BarrierAnimalsBrainDisease Models, AnimalLiver Failure, AcuteMaleMembrane ProteinsMiceMice, Inbred C57BLPermeabilityZonula Occludens-2 ProteinMembrane ProteinsTjp2 protein, mouseZonula Occludens-2 Protein

Identifiers

PMID18569429
PMCPMC2667930
OpenAlexW2074786282

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.