Evidence map›Paper›PMID 10711349›Full record

ArticleBritish journal of pharmacology2000

Effects of some isoprostanes on the human umbilical artery in vitro.

L Oliveira, N A Stallwood, D J Crankshaw

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
2.2field-weighted citation impact, top 13% 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

11 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Isoprostanes: more than just mere markers.Molecular and cellular biochemistry · 2003
    Review
  8. Article
  9. Article
  10. Article
  11. 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

3 authors at 1 institution in 1 country.

L OliveiraHonours Biology & Pharmacology Programme, McMaster University, Hamilton, Ontario, Canada.
N A Stallwood
D J Crankshaw
McMaster University · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

1. Cumulative concentration-effect curves for the selective prostanoid TP receptor agonist U46619 and six isoprostanes were constructed in the human isolated umbilical artery. 2. All compounds except 8-iso-PGF3 alpha produced concentration-dependent contractions. The contractile response to the isoprostanes increased with each cumulative addition up to a point, after which subsequent addition reduced the contraction below the previous level. This 'downturn' in the concentration-effect curve did not occur with U46619. 3. The potencies of the compounds tested were as follows (pEC50 +/- s.e.mean): U46619, 6.7 +/- 0.2; 8-iso-PGE2, 6.5 +/- 0.1; 8-iso-PGF2 alpha, 5.8 +/- 0.2; 8-iso-PGE1, 5.4 +/- 0.1; 8-iso-PGF1 alpha, 5.0 +/- 0.1; 8-iso-PGF2 beta > 4.8; 8-iso-PGF3 alpha >> 4.8 (n = 4-17). Neither 8-iso-PGF2 beta nor 8-iso-PGF3 alpha at 44 microM had a significant effect on cumulative concentration-effect curves to U46619. 4. The selective TP receptor antagonist GR32191 (0.1 microM) caused rightward shifts in the concentration-effect curves to all the active compounds. pA2 values for GR32191 against U46619, 8-iso-PGE2, 8-iso-PGF2 alpha, 8-iso-PGE1 were 7.6 +/- 0.2, 9 +/- 1, 8.2 +/- 0.3 and 7.7 +/- 0.3, respectively (n = 4). 5. Neither N omega-nitro-L-arginine methyl ester (100 microM) nor the selective DP receptor antagonist BW A868C (50 nM) affected the complex concentration-effect curve to 8-iso-PGE2 (n = 3). 6. Stable contractions to U46619 (1-3 microM) were unaffected by anandamide at concentrations up to 60 microM.

Indexed as

Isoprostanes15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidArachidonic AcidsDinoprostoneEndocannabinoidsEnzyme InhibitorsFemaleHumansHydantoinsIn Vitro TechniquesIsometric ContractionMuscle ContractionNG-Nitroarginine Methyl EsterPolyunsaturated AlkamidesPregnancyProstaglandins F15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid8-isoprostaglandin E2anandamideArachidonic AcidsBW A868CDinoprostoneEndocannabinoidsEnzyme InhibitorsHydantoinsIsoprostanesNG-Nitroarginine Methyl EsterPolyunsaturated Alkamidesprostaglandin F2betaprostaglandin F3alphaProstaglandins FProstaglandins, SyntheticReceptors, Prostaglandin

Identifiers

PMID10711349
PMCPMC1571866
OpenAlexW2061497627

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.