Cited by 9Nitric Oxide and Endothelin EffectsInflammatory mediators and NSAID effectsHeme Oxygenase-1 and Carbon Monoxide

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Prostacyclin production by the heart: Effect of nicotine and carbon monoxide

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Effeney, David J.·1987·Journal of Vascular Surgery

Abstract

Smoking has been linked to the development and progression of atherosclerosis but the mechanism by which smoking exerts its deleterious effects remains unknown. This study was designed to examine in a systematic way the effects of nicotine and carbon monoxide on platelets, arterial walls, and the heart. Results of experiments designed to assess the effect of nicotine and carbon monoxide on the production of prostacyclin (PGI2) by the rabbit heart are reported. Animals exposed to carbon monoxide had the carboxyhemoglobin raised to at least 12% by breathing an atmosphere enriched with carbon monoxide. Nicotine was infused at 50 micrograms/kg/hr for 1 week. Nicotine was measured by gas/liquid chromatography. PGI2 was measured by radioimmunoassay of 6-keto-PGF1 alpha, and its biologic activity was assessed by inhibition of platelet aggregation. Nicotine is concentrated in the heart and blood vessel wall and causes a statistically significant reduction in PGI2 production. Carbon monoxide raised PGI2 production significantly in all chambers, and the combination of nicotine and carbon monoxide further raised PGI2 production. The difference between the effects of nitrogen and carbon monoxide alone and nitrogen and a combination of nitrogen and carbon monoxide was significant in all chambers. It is hypothesized that nicotine exerts a direct metabolic effect in lowering PGI2 production. Carbon monoxide may make the endothelial cell relatively hypoxic, a powerful stimulus of PGI2 production, or less likely exert a direct toxic effect on the endothelial cell.

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Crossref · 10.1016/0741-5214(87)90132-7

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  1. Birnstingle, 1970, Experimental atherosclerosis during chronic exposure to carbon monoxide, Eur Surg Res, 2, 92
  2. Sotel, 1980, Direct effect of nicotine on prostacyclin production in human umbilical arteries, Acta Therap, 6, 32

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Metadata

Authors
Effeney, D. J.
Affiliations
The University of Queensland (AU)
Corresponding author
Effeney, David J.
Venue
Journal of Vascular Surgery
Publisher
Elsevier BV
Published
1987-02
Volume
5
Issue
2
Pages
237-247
ISSN
0741-5214 (ISSN-L)
OpenAlex
W4299353017
Cited by
9
References
37
Citations by year
2021: 2 · 2020: 1 · 2015: 1
FWCI
0.34
Type
journal article
Language
en
Open access
Locations
Journal of Vascular Surgery (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology (medical) › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Pharmacology (medical) › Inflammatory mediators and NSAID effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heme Oxygenase-1 and Carbon Monoxide
Keywords
prostacyclin, nicotine, carbon monoxide, smoking, atherosclerosis, heart, platelet aggregation, carboxyhemoglobin, 6-keto-PGF1 alpha

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