Evidence map›Paper›PMID 19133994›Full record

ArticleBritish journal of pharmacology2009

Acute hypertension reveals depressor and vasodilator effects of cannabinoids in conscious rats.

W-S Vanessa Ho, Sheila M Gardiner

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.1field-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

23 citing papers in PubMed, 42 citations in OpenAlex.

  1. Article
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  7. Characterization of hypotensive and vasorelaxant effects of PHAR-DBH-Me a new cannabinoid receptor agonist.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2022
    Article
  8. Review
  9. Article
  10. Review
  11. Review
  12. The endocannabinoid system in cardiovascular function: novel insights and clinical implications.Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2018
    Review
  13. Review
  14. Circulating Endocannabinoids: From Whence Do They Come and Where are They Going?Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2018
    Review
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
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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.

W-S Vanessa HoSchool of Biomedical Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham, UK. vho@sgul.ac.uk
Sheila M Gardiner
Queen's Medical Centre · GB

Funding

British Heart Foundation PG/06/064/20985
6 · The paper itself

Abstract

background and purposeThe cardiovascular effects of cannabinoids can be influenced by anaesthesia and can differ in chronic hypertension, but the extent to which they are influenced by acute hypertension in conscious animals has not been determined. EXPERIMENTAL APPROACH: We examined cardiovascular responses to intravenous administration of anandamide and the synthetic cannabinoid, (R)-(+)-[2,3-dihydro-5-methyl-3-(4-morpholinylmethyl)pyrrolo[1,2,3-de]-1,4-benzoxazin-6-yl]-1-naphthalenylmethanone (WIN55212-2), in conscious male Wistar rats made acutely hypertensive by infusion of angiotensin II (AII) and arginine vasopressin (AVP). Rats were chronically instrumented for measurement of arterial blood pressure and vascular conductances in the renal, mesenteric and hindquarters beds. KEY

resultsAnandamide dose-dependently decreased the mean arterial blood pressure of rats made hypertensive by AII-AVP infusion, but not normotensive rats. Interestingly, acute hypertension also revealed a hypotensive response to WIN55212-2, which caused hypertension in normotensive animals. The enhanced depressor effects of the cannabinoids in acute hypertension were associated with increased vasodilatation in hindquarters, renal and mesenteric vascular beds. Treatment with URB597, which inhibits anandamide degradation by fatty acid amide hydrolase, potentiated the depressor and mesenteric vasodilator responses to anandamide. Furthermore, haemodynamic responses to WIN55212-2, but not to anandamide, were attenuated by the CB(1) receptor antagonist, AM251 [N-(piperidin-1-yl)-5-(4-iodophenyl)-1-(2,4-dichlorophen yl)-4-methyl-1H-pyrazole-3-carboxamide]. CONCLUSIONS AND IMPLICATIONS: These results broadly support the literature showing that the cardiovascular effects of cannabinoids can be exaggerated in hypertension, but highlight the involvement of non-CB(1) receptor-mediated mechanisms in the actions of anandamide.

Indexed as

Acute DiseaseAmidohydrolasesAnimalsArachidonic AcidsBenzamidesBenzoxazinesBlood PressureCannabinoidsCarbamatesConsciousnessEndocannabinoidsFatty Acid Amide HydrolasesHindlimbHypertensionInfusions, IntravenousInjections, Intravenous(3R)-((2,3-dihydro-5-methyl-3-((4-morpholinyl)methyl)pyrrolo-(1,2,3-de)-1,4-benzoxazin-6-yl)(1-naphthalenyl))methanoneAM 251AmidohydrolasesanandamideArachidonic AcidsBenzamidesBenzoxazinesCannabinoidsCarbamatescyclohexyl carbamic acid 3'-carbamoylbiphenyl-3-yl esterEndocannabinoidsFatty Acid Amide HydrolasesMorpholinesNaphthalenesPiperidinesPolyunsaturated AlkamidesPyrazolesReceptor, Cannabinoid, CB1

Identifiers

PMID19133994
PMCPMC2697765
OpenAlexW2082730277

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.