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Ca2+ channel blocking effect of iso-S-petasin in rat aortic smooth muscle cells.
The purpose of the present study was to examine the mechanisms underlying the putative hypotensive actions of iso-S-petasin, a sesquiterpene extract of Petasites formosanus through both in vivo andExpand
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Inhibitory effect of digoxin on testosterone secretion through mechanisms involving decreases of cyclic AMP production and cytochrome P450scc activity in rat testicular interstitial cells
In vivo and in vitro experiments were performed to examine inhibitory effects of digoxin on testosterone secretion and to determine possible underlying mechanisms. A single intravenous injection ofExpand
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Quantitatively Evaluation of Bioactive Components of Evodia Rutaecarpa (Tetradium Ruticarpum) in Different Harvesting Times
In this study, a high performance liquid chromatographic method was developed for simultaneous determination of four bioactive components in T ruticarpum collecting from various flowering seasons.Expand
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Ca 2 + channel blocking effect of isoS-petasin in rat aortic smooth muscle cells
The purpose of the present study was to examine the mechanisms underlying the putative hypotensive actions of iso-S-petasin, a sesquiterpene extract of Petasites formosanus through both in vivo andExpand
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Calcium-antagonizing activity of S-petasin, a hypotensive sesquiterpene from Petasites formosanus, on inotropic and chronotropic responses in isolated rat atria and cardiac myocytes
Petasites formosanus, an indigenous species of Petasites, has been used to treat cardiovascular diseases such as hypertension for years. We have suggested recently that S-petasin, a majorExpand
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