Evidence map›Paper›PMID 24694596›Full record

ArticleMolecular biology of the cell2014

Rab14 regulation of claudin-2 trafficking modulates epithelial permeability and lumen morphogenesis.

Ruifeng Lu, Debra L Johnson, Lorraine Stewart, Kelsey Waite, David Elliott, Jean M Wilson

Open access · greenAbstract read
In one paragraph

Article in Molecular biology of the cell, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 9% 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

25 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Rab14 promotes Parkin-mediated mitophagy.Molecular biology of the cell · 2025
    Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Tight Junction Proteins and the Biology of Hepatobiliary Disease.International journal of molecular sciences · 2020
    Review
  14. Article
  15. An intestinal paracellular pathway biased toward positively-charged macromolecules.Journal of controlled release : official journal of the Controlled Release Society · 2018
    Article
  16. Review
  17. Review
  18. Review
  19. The Endosomal Protein Endotubin Is Required for Enterocyte Differentiation.Cellular and molecular gastroenterology and hepatology · 2018
    Article
  20. 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

6 authors at 1 institution in 1 country.

Ruifeng LuDepartment of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724.
Debra L JohnsonDepartment of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724.
Lorraine StewartDepartment of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724.
Kelsey WaiteDepartment of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724.
David ElliottDepartment of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724.
Jean M WilsonDepartment of Cellular and Molecular Medicine, University of Arizona College of Medicine, Tucson, AZ 85724 jeanw@email.arizona.edu.
University of Arizona · US

Funding

Regulation of Intestinal Tight Junction Structure by Membrane TrafficR01DK084047 · NIDDK · UNIVERSITY OF ARIZONA · PI WILSON, JEAN M · 2011 to 2015
$1.7M
Regulation of Intestinal Tight Junction Structure by Membrane TrafficR56DK084047 · NIDDK · UNIVERSITY OF ARIZONA · PI WILSON, JEAN M · 2010 to 2010
$379k
NIDDK NIH HHS DK084047NIDDK NIH HHS R01 DK084047NIDDK NIH HHS R56 DK084047
6 · The paper itself

Abstract

Regulation of epithelial barrier function requires targeted insertion of tight junction proteins that have distinct selectively permeable characteristics. The insertion of newly synthesized proteins and recycling of internalized tight junction components control both polarity and junction function. Here we show that the small GTPase Rab14 regulates tight junction structure. In Madin-Darby canine kidney (MDCK) II cells, Rab14 colocalizes with junctional proteins, and knockdown of Rab14 results in increased transepithelial resistance. In cells without Rab14, there are small changes in the trafficking of claudin-1 and occludin. In addition, there is substantial depletion of the leaky claudin, claudin-2, but not other tight junction components. The loss of claudin-2 is complemented by inhibition of lysosomal function, suggesting that Rab14 sorts claudin-2 out of the lysosome-directed pathway. MDCK I cells lack claudin-2 endogenously, and knockdown of Rab14 in these cells does not result in a change in transepithelial resistance, suggesting that the effect is specific to claudin-2 trafficking. Furthermore, leaky claudins have been shown to be required for epithelial morphogenesis, and knockdown of Rab14 results in failure to form normal single-lumen cysts in three-dimensional culture. These results implicate Rab14 in specialized trafficking of claudin-2 from the recycling endosome.

Indexed as

Cell Membrane PermeabilityMorphogenesisAmmonium ChlorideAnimalsBiotinylationCalciumClaudin-2DogsElectric ImpedanceEndocytosisEpithelial CellsGene Knockdown TechniquesHumansMadin Darby Canine Kidney CellsProtein Transportrab GTP-Binding ProteinsAmmonium ChlorideCalciumClaudin-2rab GTP-Binding ProteinsRNA, Small Interfering

Identifiers

PMID24694596
PMCPMC4038501
OpenAlexW2119977602

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.