Evidence map›Paper›PMID 10332084›Full record

ReviewThe Journal of physiology1999

Aquaporin water channels in gastrointestinal physiology.

T Ma, A S Verkman

Open access · greenAbstract readReview
In one paragraph

Review in The Journal of physiology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers.

0numbers the graph read from it
0cells of the map it votes in
91citing papers in PubMed
6.9field-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

91 citing papers in PubMed, 293 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Article
  4. Article
  5. Article
  6. MOMASTAntioxidants (Basel, Switzerland) · 2024
    Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Review
  12. Article
  13. Review
  14. Aquaporins in Glandular Secretion.Advances in experimental medicine and biology · 2023
    Article
  15. Aquaporins in Digestive System.Advances in experimental medicine and biology · 2023
    Article
  16. Article
  17. Article
  18. The glymphatic hypothesis: the theory and the evidence.Fluids and barriers of the CNS · 2022
    Review
  19. Article
  20. Dysnatremia in Gastrointestinal Disorders.Frontiers in medicine · 2022
    Review

31 more citing papers are in PubMed but not listed here.

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

2 authors at 1 institution in 1 country.

T MaDepartments of Medicine and Physiology, Cardiovascular Research Institute, University of California, San Francisco, CA 94143-0521, USA.
A S Verkman
University of California, San Francisco · US

Funding

MECHANISMS OF ALVEOLAR EPITHELIAL FLUID CLEARANCER01HL051854 · NHLBI · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MATTHAY, MICHAEL A. · 1994 to 2012
$4.4M
MECHANISMS OF WATER TRANSPORT IN RENAL EPITHELIAR37DK035124 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI VERKMAN, ALAN S · 1999 to 2008
$4.2M
PHYSIOLOGY AND MOLECULAR BIOLOGY OF LUNG WATER TRANSPORTR01HL059198 · NHLBI · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI VERKMAN, ALAN S · 1998 to 2007
$2.2M
WATER AND NON-ELECTROLYTE TRANSPORT IN RENAL VESICLESR01DK035124 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI VERKMAN, ALAN S · 1986 to 2014
$1.4M
NHLBI NIH HHS HL51854NHLBI NIH HHS HL59198NHLBI NIH HHS R01 HL051854NHLBI NIH HHS R01 HL059198NIDDK NIH HHS DK35124NIDDK NIH HHS R01 DK035124NIDDK NIH HHS R37 DK035124
6 · The paper itself

Abstract

Fluid transport is a major function of the gastrointestinal (GI) tract with more than 9 litres of fluid being absorbed or secreted across epithelia in human salivary gland, stomach, the hepatobiliary tract, pancreas, small intestine and colon. This review evaluates the evidence that aquaporin-type water channels are involved in GI fluid transport. The aquaporins are a family of small ( approximately 30 kDa) integral membrane proteins that function as water channels. At least seven aquaporins are expressed in various tissues in the GI tract: AQP1 in intrahepatic cholangiocytes, AQP4 in gastric parietal cells, AQP3 and AQP4 in colonic surface epithelium, AQP5 in salivary gland, AQP7 in small intestine, AQP8 in liver, pancreas and colon, and AQP9 in liver. There are functional data suggesting that some GI cell types expressing aquaporins have high or regulated water permeability; however, there has been no direct evidence for a role of aquaporins in GI physiology. Recently, transgenic mice have been generated with selective deletions of various aquaporins. Preliminary evaluation of GI function suggests a role for AQP1 in dietary fat processing and AQP4 in colonic fluid absorption. Further study of aquaporin function in the GI tract should provide new insights into normal GI physiology and disease mechanisms, and may yield novel therapies to regulate fluid movement in GI diseases.

Indexed as

Digestive System Physiological PhenomenaAnimalsAquaporinsBile DuctsBiological TransportBody FluidsCell Membrane PermeabilityDigestive SystemHumansSalivary GlandsAquaporins

Identifiers

PMID10332084
PMCPMC2269340
OpenAlexW1987706317

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.