Evidence map›Paper›PMID 21571312›Full record

ArticleThe Journal of surgical research2012

Hydrogen sulfide modulates contractile function in rat jejunum.

Michael S Kasparek, David R Linden, Gianrico Farrugia, Michael G Sarr

Open access · greenAbstract read
In one paragraph

Article in The Journal of surgical research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.2field-weighted citation impact, top 14% 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

15 citing papers in PubMed, 40 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Augmentation of cGMP/PKG pathway and colonic motility by hydrogen sulfide.American journal of physiology. Gastrointestinal and liver physiology · 2017
    Article
  6. Review
  7. Review
  8. Article
  9. Article
  10. Article
  11. Hydrogen sulfide signaling in the gastrointestinal tract.Antioxidants & redox signaling · 2014
    Review
  12. Hydrogen sulfide deficiency and diabetic renal remodeling: role of matrix metalloproteinase-9.American journal of physiology. Endocrinology and metabolism · 2013
    Article
  13. Article
  14. Article
  15. Role of hydrogen sulfide as a gasotransmitter in modulating contractile activity of circular muscle of rat jejunum.Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · 2012
    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

4 authors at 2 institutions in 1 country.

Michael S KasparekDepartment of Surgery and Gastroenterology Research Unit, Mayo Clinic, Rochester, Minnesota 55902, USA.
David R Linden
Gianrico Farrugia
Michael G Sarr
Mayo Clinic · USWinnMed · US

Funding

ENTERIC PHYSIOLOGY OF THE TRANSPLANTED GUTR01DK039337 · NIDDK · MAYO CLINIC ROCHESTER · PI SARR, MICHAEL G · 1989 to 2007
$2.2M
NIDDK NIH HHS R01 DK039337PHS HHS R01 39337-18
6 · The paper itself

Abstract

backgroundEffects of hydrogen sulfide (H(2)S), a third gasotransmitter of the gut, are not well understood. The aim of this study was to determine effects/mechanisms of H(2)S action on contractile function in rat jejunal muscle.

methodsTransmural strips of longitudinal muscle were evaluated. Response to sodium hydrosulfide (NaHS, H(2)S donor; 10(-5)-10(-3)M) was studied on spontaneous contractile activity and after precontraction (bethanechol, 3 × 10(-6)M). Atropine, propranolol, phentolamine, tetrodotoxin, capsaicin, L-N(G)-nitro arginine (L-NNA), and glibenclamide were used to determine mechanisms. L-cysteine (10(-4)-10(-2)M; substrate for H(2)S production) and aminooxyacetic acid and DL-propargylglycine (inhibitors of enzymes generating H(2)S endogenously) were used to study endogenous production. Aminooxyacetic acid, DL-propargylglycine, L-NNA, and vasoactive intestinal polypeptide (VIP) antagonist [D-p-Cl-Phe(6),Leu(17)]-VIP were used to study H(2)S release during electrical field stimulation (EFS) and interaction with VIP and nitric oxide. Immunohistofluorescence of jejunal whole mounts was performed for endogenous H(2)S-producing enzymes.

resultsCystathionine-β-synthase and cystathionine-γ-lyase were expressed only in myenteric plexus. NaHS suppressed spontaneous and stimulated contractile activity (P < 0.01). Glibenclamide prevented some suppression by NaHS (P = 0.01) of stimulated contractile activity but did not prevent suppression of spontaneous contractile activity. Other drugs had no effect on spontaneous contractile activity but increased inhibitory effects of NaHS on spontaneous and stimulated contractile activity (P < 0.05). L-cysteine had no effects on contractile activity. Inhibitors altered basal and stimulated activity suggesting endogenous release of H(2)S.

conclusionsH(2)S presumably suppresses contractile activity in jejunum by direct effects on smooth muscle. Mechanism(s) of inhibition remains unclear, because blocking known neurotransmitters enhanced H(2)S-induced suppression, while blocking adenosine triphosphate (ATP)-sensitive K(+)-channels did not block H(2)S-induced inhibition.

Indexed as

AnimalsCystathionine beta-SynthaseCystathionine gamma-LyaseCysteineElectric StimulationEnteric Nervous SystemHydrogen SulfideJejunumMaleModels, AnimalMuscle ContractionMuscle, SmoothNeurons, AfferentNitric OxidePotassium ChannelsRatsCystathionine beta-SynthaseCystathionine gamma-LyaseCysteineHydrogen SulfideNitric OxidePotassium Channels

Identifiers

PMID21571312
PMCPMC3169702
OpenAlexW2009107202

What OpenQuestion holds

Textmetadata
LicenceTDM
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.