Evidence map›Paper›PMID 23624790›Full record

ArticleAmerican journal of physiology. Lung cellular and molecular physiology2013

Lipopolysaccharide-induced phosphorylation of c-Met tyrosine residue 1003 regulates c-Met intracellular trafficking and lung epithelial barrier function.

Yutong Zhao, Jing Zhao, Rachel K Mialki, Jianxin Wei, Ernst W Spannhake, Ravi Salgia, Viswanathan Natarajan

Open access · greenAbstract read
In one paragraph

Article in American journal of physiology. Lung cellular and molecular physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.2field-weighted citation impact, top 20% 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

13 citing papers in PubMed, 16 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. 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

7 authors at 4 institutions in 1 country.

Yutong ZhaoDepartment of Medicine and the Acute Lung Injury Center of Excellence, the University of Pittsburgh, Pittsburgh, PA 15213, USA. zhaoy3@upmc.edu
Jing Zhao
Rachel K Mialki
Jianxin Wei
Ernst W Spannhake
Ravi Salgia
Viswanathan Natarajan
University of Pittsburgh · USJohns Hopkins University · USUniversity of Chicago · USUniversity of Illinois Chicago · US

Funding

Lysophosphatidic Acid in Airway Barrier Function and RemodelingR01HL091916 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI ZHAO, YUTONG · 2009 to 2013
$1.8M
Regulation of the IL-33 receptor, ST2L, by Protein Stability in Septic InjuryR01HL112791 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI ZHAO, YUTONG · 2013 to 2016
$1.5M
NHLBI NIH HHS HL-112791NHLBI NIH HHS R01-HL-01916NHLBI NIH HHS R01 HL091916NHLBI NIH HHS R01 HL112791PHS HHS R37-079396
6 · The paper itself

Abstract

c-Met, the receptor tyrosine kinase whose natural ligand is hepatocyte growth factor, is known to have a key role in cell motility. We have previously shown that lysophosphatidic acid (LPA) induced a decrease in c-Met activation via serine phosphorylation of c-Met at cell-cell contacts. Here, we demonstrate that lipopolysaccharide (LPS) treatment of human bronchial epithelial cells induced internalization of c-Met via phosphorylation at its tyrosine residue 1003. In addition, it induced epithelial barrier dysfunction as evidenced by a decrease in transepithelial resistance (TER) in a time-dependent manner. Pretreatment with a c-Met inhibitor (PHA-665752) or inhibition of protein kinase C (PKC)-α attenuated the LPS-mediated phosphorylation of c-Met and its internalization. LPS-induced c-Met tyrosine 1003 phosphorylation, activation of PKCα, and c-Met internalization were, however, reversed by pretreatment of cells with LPA, which increased c-Met accumulation at cell-cell contacts. Inhibition of LPS-mediated c-Met tyrosine (Y1003) phosphorylation and internalization by prior treatment with PHA-665752, inhibition of PKCα, or overexpression of c-MetY1003A mutant attenuated LPS-induced reduction of TER. Furthermore, we found that c-Met accumulation at cell-cell contacts contributed to LPA-enhanced epithelial barrier integrity, since downregulation of c-Met by specific small-interfering RNA attenuated LPA-increased TER. The data reveal a novel biological function of c-Met in the regulation of lung epithelial barrier integrity.

Indexed as

Blotting, WesternCell Membrane PermeabilityCells, CulturedElectric ImpedanceEpithelial CellsFluorescent Antibody TechniqueHumansLipopolysaccharidesLungPhosphorylationProtein Kinase C-alphaProtein TransportProto-Oncogene Proteins c-metReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionRNA, MessengerLipopolysaccharidesProtein Kinase C-alphaProto-Oncogene Proteins c-metRNA, MessengerRNA, Small Interferinglysophosphatidic acidprotein kinase Ctyrosine phosphorylation

Identifiers

PMID23624790
PMCPMC3726943
OpenAlexW2101638100

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.