Rotundine - CAS 483-14-7
Catalog number: 483-14-7
Category: Inhibitor
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Dopamine Receptor
Rotundine (L-tetrahydropalmatine, L-THP) is an alkaloid found in several different plant species. It is a selective dopamine D1 receptor antagonist with IC50 of 166 nM.
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1.Simultaneous determination of paeoniflorin, albiflorin, ferulic acid, tetrahydropalmatine, protopine, typhaneoside, senkyunolide I in Beagle dogs plasma by UPLC-MS/MS and its application to a pharmacokinetic study after Oral Administration of Shaofu Zhuyu Decoction.
Huang X;Su S;Cui W;Liu P;Duan JA;Guo J;Li Z;Shang E;Qian D;Huang Z J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Jul 1;962:75-81. doi: 10.1016/j.jchromb.2014.05.032. Epub 2014 May 24.
In this present study, a sensitive and rapid UPLC-MS/MS method was developed for simultaneous quantification of paeoniflorin, albiflorin, ferulic acid, tetrahydropalmatine, protopine, typhaneoside and senkyunolide I in Beagle dog plasma after oral administration of the Shao-Fu-Zhu-Yu Decoction. Chloramphenicol and clarithromycin were used as internal standards. Plasma samples were processed by protein precipitation with methanol. The separation was performed on an Acquity BEH C18 column (100mm×2.1mm, 1.7μm) at a flow-rate of 0.4mL/min, using 0.1% formic acid-acetonitrile as mobile phase. Method validation was performed as per Food and Drug Administration guidelines and the results met the acceptance criteria. After validation, this method was successfully applied to a pharmacokinetic study. The results showed that the apparent plasma clearance of paeoniflorin, albiflorin, typhaneoside and senkyunolide I were significantly higher than others. Double peak was observed in plasma concentration curves of tetrahydropalmatine, the ferulic acid had a good absorption in Beagle dog plasma, and senkyunolide I was detected in plasma from the first blood sampling time (15min) and rapidly reached Tmax.
2.Alkaloids of papaver genus IX. Alkaloids of Glaucium vitellinum Boiss and Buhse, population Seerjan and Glaucium pulchrum Stapf, population Elika.
Shafiee A;Lalezari I;Rahimi O Lloydia. 1977 Jul-Aug;40(4):352-5.
Glaucium vitellinum Boiss and Buhse. population Seerjan was shown to contain three major alkaloids, isocorydine (0.44%), protopine (0.42%), dicentrine (0.24%), and four minor alkaloids, tetrahydropalmatine (0.13%), muramine (0.12%), bulbocapnine (0.06%) and glaucine (0.01%). Glaucium pulchrum Stapf popllation Elika was shown to contain two major alkaloids, corydine (0.3%) and bulbocapnine (0.18%) and three minor alkaloids N-methylindcarpine (0.1%), isocorydine (0.03%) and protopine (0.01%). N-methyllindcarpine was found for the first time in the Papaveraceae and tetrahydropalmatine was detected for the first time in Glaucium.
3.[Effects of rotundine injection on nitric oxide synthase in tissues of different organs after ischemia/reperfusion of brain in rats].
Zeng AY;Tu EY;Han ZY;Yang GT Zhongguo Wei Zhong Bing Ji Jiu Yi Xue. 2007 Jun;19(6):361-4.
OBJECTIVE: ;To explore the protective effect of rotundine injection on lung, liver and kidney damages after cerebral ischemia/reperfusion (I/R) injury in rats based on the activity changes of nitric oxide synthase (NOS).;METHODS: ;Seventy-six rats were randomly divided into three groups: sham operation group, I/R injury group and treatment group, and determinations were done at five different time points. The cerebral I/R models were reproduced by improved 4 vessels occlusion method. The activities of NOS in the lung, liver and kidney were measured in all the rats at 2, 6, 12, 24 and 48 hours after reperfusion.;RESULTS: ;Compared with sham operation group, the activities of total NOS (tNOS) were significantly increased at 2, 12 and 24 hours in I/R injury group (P<0.05 or P<0.01), with the peak value at 12 hours (all P<0.01). The activities of constitutive NOS (cNOS) were increased significantly at 2 hours (all P<0.05), and those of induced NOS (iNOS) were increased at 12 hours (all P<0.01). The activities of iNOS were still high at 24 hours (all P<0.05), and approached the levels of sham operation group at 48 hours. Compared with I/R injury group, the activities of cNOS in various organs increased much higher at 2 hours in treatment group (all P<0.
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CAS 483-14-7 Rotundine

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