Evidence map›Paper›PMID 7966245›Full record

ArticleThe Journal of membrane biology1994

Apical membrane Cl-butyrate exchange: mechanism of short chain fatty acid stimulation of active chloride absorption in rat distal colon.

V M Rajendran, H J Binder

Abstract read
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In one paragraph

Article in The Journal of membrane biology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
0.7field-weighted citation impact, top 30% 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

16 citing papers in PubMed, 64 citations in OpenAlex.

  1. Review
  2. Involvement of butyrate in electrogenic KPflugers Archiv : European journal of physiology · 2019
    Article
  3. Review
  4. Review
  5. Article
  6. Review
  7. Characteristics of rat downregulated in adenoma (rDRA) expressed in HEK 293 cells.Pflugers Archiv : European journal of physiology · 2007
    Article
  8. Transport of acetate and sodium in sheep omasum: mutual, but asymmetric interactions.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2006
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. 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

2 authors at 1 institution in 1 country.

V M RajendranDepartment of Internal Medicine, Yale University, New Haven, Connecticut 06510.
H J Binder
Yale University · US

Funding

INTESTINAL ELECTROLYTE TRANSPORT IN HEALTH &DISEASER01DK014669 · NIDDK · YALE UNIVERSITY · PI BINDER, HENRY J · 1986 to 2001
$194k
NIDDK NIH HHS DK 14669
6 · The paper itself

Abstract

The cellular model of short chain fatty acid stimulation of electroneutral Na-Cl absorption in large intestine proposes that SCFA, following its uptake across the apical membrane, recycles and is coupled to functional Na-H and Cl-short chain fatty acid exchanges. To establish the presence of a Cl-butyrate exchange (used as a model short chain fatty acid), studies of 36Cl and 14C-butyrate uptake across apical membrane vesicles of rat distal colon were performed. An outward butyrate-gradient stimulated transient accumulation of 36Cl uptake that was not inhibited by pH clamping with valinomycin (a K ionophore) and FCCP (a proton ionophore). Outward butyrate-gradient-stimulated 36Cl uptake was inhibited by 4,4'-diisothiocyanatostilbene-2,2'-disulfonic acid (DIDS) with a half-maximal inhibitory concentration (IC50) of 68.4 microM, and was saturated by both increasing extravesicular Cl concentration (Km for Cl of 26.8 +/- 3.4 mM and a Vmax of 12.4 +/- 0.6 nmol/mg protein x 9 sec) and increasing intravesicular butyrate concentration (Km for butyrate of 5.9 mM and a Vmax for Cl of 5.9 nmol/mg protein x 9 sec). 36Cl uptake was also stimulated by outward gradients of other short chain fatty acids (e.g., propionate, acetate and formate). In contrast, an outward Cl gradient failed to enhance 14C-butyrate uptake. Extravesicular Cl more than extravesicular butyrate enhanced 36Cl efflux from apical membrane vesicles. These studies provide compelling evidence for the presence of an electroneutral, pH-activated, Cl-butyrate exchange which in concert with Na-H exchange is the mechanism by which butyrate stimulates electroneutral Na-Cl absorption.

Indexed as

AnimalsButyratesCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneCell MembraneColonFatty AcidsIon TransportModels, BiologicalRatsRats, Sprague-DawleySodium ChlorideValinomycinButyratesCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneFatty AcidsSodium ChlorideValinomycin

Identifiers

PMID7966245
OpenAlexW2019055319

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.