Evidence map›Paper›PMID 1691947›Full record

ArticleBritish journal of pharmacology1990

The effects of novel vasodilator long chain acyl carnitine esters in the isolated perfused heart of the rat.

D N Criddle, G H Dewar, W B Wathey, B Woodward

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 1990. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

5 citing papers in PubMed, 17 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Metabolic cardiomyopathies.International journal of experimental pathology · 2000
    Review
  5. 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 1 institution in 1 country.

D N CriddleDepartment of Pharmacy and Pharmacology, University of Bath, Claverton Down.
G H Dewar
W B Wathey
B Woodward
University of Bath · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

1. The effects of palmitoyl carnitine (PC) and novel derivatives were examined on the isolated Langendorff perfused heart of the rat. 2. Bolus injections of PC (1-300 nmol) produced coronary constriction accompanied by a cumulative irreversible depression of contractility. 3. Prior storage of PC in chloroform containing 2% ethanol in heat-sealed ampoules resulted in production of the ethyl ester of the compound (PCE). This compound was isolated and also synthesized (P1E). In contrast to PC, both PCE and P1E exhibited potent vasodilator activity. 4. Increasing the fatty acid chain length from palmitoyl to stearoyl resulted in a significant reduction in coronary dilator activity of the ester compound, whereas different ester groups did not affect the vasodilator action appreciably. Complete removal of the fatty acid chain abolished all vascular effects at the doses used. 5. The vasodilatation produced by these acyl carnitine esters was comparable to that produced by several known vasodilator drugs including verapamil, cromakalim, amyl nitrate and iloprost; however, the duration of the vasodilator response was more prolonged with the carnitate derivatives.

Indexed as

AnimalsBenzopyransCarnitineCoronary CirculationCromakalimDose-Response Relationship, DrugEpoprostenolHeartIloprostIn Vitro TechniquesMaleMyocardial ContractionNitratesPalmitoylcarnitinePentanolsPyrrolesamyl nitrateBenzopyransCarnitineCromakalimEpoprostenolIloprostNitratesPalmitoylcarnitinePentanolsPyrrolesVasodilator AgentsVerapamil

Identifiers

PMID1691947
PMCPMC1917345
OpenAlexW1990540509

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.