Evidence map›Paper›PMID 17360692›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2007

Interaction between transcellular and paracellular water transport pathways through Aquaporin 5 and the tight junction complex.

Jitesh D Kawedia, Michelle L Nieman, Gregory P Boivin, James E Melvin, Ken-Ichiro Kikuchi, Arthur R Hand, John N Lorenz, Anil G Menon

Open access · greenAbstract readComparative Study
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
5.7field-weighted citation impact, top 4% 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

55 citing papers in PubMed, 136 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Review
  5. Review
  6. Article
  7. Article
  8. Aquaporin-5 Dynamic Regulation.International journal of molecular sciences · 2023
    Review
  9. Review
  10. Article
  11. Aquaporin-5 in breast cancer.APMIS : acta pathologica, microbiologica, et immunologica Scandinavica · 2022
    Review
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. [Role and mechanism of muscarinic acetylcholine receptor in the regulation of submandibular gland secretion].Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2019
    Article
  18. Article
  19. Article
  20. 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

8 authors at 4 institutions in 2 countries.

Jitesh D KawediaDepartment of Molecular Genetics, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0524, USA.
Michelle L Nieman
Gregory P Boivin
James E Melvin
Ken-Ichiro Kikuchi
Arthur R Hand
John N Lorenz
Anil G Menon
Laboratory of Molecular Genetics · PLUConn Health · USUniversity of Cincinnati Medical Center · USUniversity of Rochester · US

Funding

REGULATION OF SODIUM EXCRETION IN NHE3 KNOCKOUT MICER01DK057552 · NIDDK · UNIVERSITY OF CINCINNATI · PI LORENZ, JOHN N · 2000 to 2008
$1.8M
ROLE OF AQUAPORIN (AQP) 5 IN SALIVARY SECRETIONR01DE013823 · NIDCR · UNIVERSITY OF CINCINNATI · PI MENON, ANIL G · 2000 to 2004
$1.3M
NIDCR NIH HHS DE13823NIDCR NIH HHS R01 DE013823NIDDK NIH HHS DK57552NIDDK NIH HHS R01 DK057552
6 · The paper itself

Abstract

To investigate potential physiological interactions between the transcellular and paracellular pathways of water transport, we asked whether targeted deletion of Aquaporin 5 (AQP5), the major transcellular water transporter in salivary acinar cells, affected paracellular transport of 4-kDa FITC-labeled dextran (FITC-D), which is transported through the paracellular but not the transcellular route. After i.v. injection of FITC-D into either AQP5 wild-type or AQP5-/- mice and saliva collection for fixed time intervals, we show that the relative amount of FITC-D transported in the saliva of AQP5-/- mice is half that in matched AQP5+/+ mice, indicating a 2-fold decrease in permeability of the paracellular barrier in mice lacking AQP5. We also found a significant difference in the proportion of transcellular vs. paracellular transport between male and female mice. Freeze-fracture electron microscopy revealed an increase in the number of tight junction strands of both AQP5+/+ and AQP5-/- male mice after pilocarpine stimulation but no change in strand number in female mice. Average acinar cell volume was increased by approximately 1.4-fold in glands from AQP5-/- mice, suggesting an alteration in the volume-sensing machinery of the cell. Western blots revealed that expression of Claudin-7, Claudin-3, and Occludin, critical proteins that regulate the permeability of the tight junction barrier, were significantly decreased in AQP5-/- compared with AQP5+/+ salivary glands. These findings reveal the existence of a gender-influenced molecular mechanism involving AQP5 that allows transcellular and paracellular routes of water transport to act in conjunction.

Indexed as

AnimalsAquaporin 5Biological TransportBlotting, WesternClaudin-3ClaudinsDextransFemaleFluorescein-5-isothiocyanateMembrane ProteinsMiceMice, KnockoutMicroscopy, Electron, TransmissionOccludinSalivaSalivary GlandsAqp5 protein, mouseAquaporin 5Claudin-3ClaudinsCldn3 protein, mouseCldn7 protein, mouseDextransFluorescein-5-isothiocyanatefluorescein isothiocyanate dextranMembrane ProteinsOccludinOcln protein, mouseWater

Identifiers

PMID17360692
PMCPMC1802728
OpenAlexW2071488647

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.