Effects of Sphingosine 1-Phosphate, a Naturally Occurring Biologically Active Lysophospholipid, on the Rat Cardiovascular System.
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- Sugiyama Atsushi
- Department of Pharmacology, Yamanashi Medical University Tamaho-cho,Nakakoma-gun,Yamanashi 409-3898,Japan
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- Nu Aye Nu
- Department of Pharmacology, Yamanashi Medical University Tamaho-cho,Nakakoma-gun,Yamanashi 409-3898,Japan
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- Yatomi Yutaka
- Department of Laboratory Medicine,Yamanashi Medical University Tamaho-cho,Nakakoma-gun,Yamanashi 409-3898,Japan
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- Ozaki Yukio
- Department of Laboratory Medicine,Yamanashi Medical University Tamaho-cho,Nakakoma-gun,Yamanashi 409-3898,Japan
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- Hashimoto Keitaro
- Department of Pharmacology, Yamanashi Medical University Tamaho-cho,Nakakoma-gun,Yamanashi 409-3898,Japan
Bibliographic Information
- Other Title
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- Effects of sphingosine 1-phosphate, a naturally occurring biologically active lysophospholipid, on the cardiovascular system
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Abstract
Recent studies have indicated that sphingosine 1-phosphate(Sph-1-P)is released into the blood flow from activated platelets upon stimulation to exhibit a wide spectrum of biological functions.The purpose of the present study was to assess the acute cardiovascular effects of circulating Sph-1-P in the in vivo rat model.Intravenous administration of Sph-1-P decreased the heart rate, ventricular contraction and blood pressure, while it hardly affected the atrioventricular and intraventricular conduction.Sph-1-P did not affect the adenylate cyclase activities of the membrane preparations made from the right atrium and left ventricle.These results suggest that functional receptors like lysophospholipid receptor Edg-1, which can inhibit adenylate cyclase via Gi protein, are lacking in the rat heart.Moreover, these observations will provide a clue to better understand the various types of Sph-1-P-related pathophysiological processes.
Journal
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- The Japanese Journal of Pharmacology
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The Japanese Journal of Pharmacology 82 (4), 338-342, 2000
The Japanese Pharmacological Society
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Details 詳細情報について
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- CRID
- 1390001204287736448
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- NII Article ID
- 10008183986
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- NII Book ID
- AA00691188
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- COI
- 1:CAS:528:DC%2BD3cXisl2gsLk%3D
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- ISSN
- 13473506
- 00215198
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- NDL BIB ID
- 5362816
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- PubMed
- 10875754
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- Web Site
- http://id.ndl.go.jp/bib/5362816
- https://ndlsearch.ndl.go.jp/books/R000000004-I5362816
- https://api.elsevier.com/content/article/PII:S0021519819306717?httpAccept=text/xml
- https://api.elsevier.com/content/article/PII:S0021519819306717?httpAccept=text/plain
- https://www.jstage.jst.go.jp/article/jjp/82/4/82_4_338/_pdf
- https://search.jamas.or.jp/link/ui/2000188500
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- Abstract License Flag
- Disallowed