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  • Title: Antiplatelet and vasorelaxing actions of some aporphinoids.
    Author: Chen KS, Ko FN, Teng CM, Wu YC.
    Journal: Planta Med; 1996 Apr; 62(2):133-6. PubMed ID: 8657745.
    Abstract:
    A series of aporphines and oxoaporphines was tested for antiplatelet and vasorelaxing actions. (+)-N-Methylactinodaphnine, (-)-norannuradhapurine x HBr, xylopine, actinodaphnine, and N-methylnandigerine showed strong inhibition of adenosine 5'-diphosphate (ADP)-induced platelet aggregation. Boldine, (+)-N-methylactinodaphnine, (-)-norannuradhapurine x HBr, xylopine, N-acetyllaurolitsine, N-methyllaurotetanine, actinodaphnine, N-methylnandigerine, O-methylbulbocapnine, and liriodenine showed strong inhibition of arachidonic acid (AA)-induced platelet aggregation. (+)-N-Methylactinodaphnine, fissoldine x HCIO4, (-)-norannuradhapurine x HBr, xlylopine, N-methyllaurotetanine, actinodaphnine, N-methylnandigerine, O-methylbulbocapnine, and liriodenine showed strong inhibiton of collagen-induced platelet aggregation. (-)-Norannuradhapurine x HBr, xylopine, N-methyllaurotetanine, and actinodaphnine showed strong inhibition of platelet-activating factor (PAF; 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine)-induced platelet aggregation. (+)-N-Methylactinodaphnine, laurotetanine, N-methylactinodaphnine N-oxide, oxoglaucine, boldine, and actinodaphnine showed vasorelaxing action in rat thoracic aorta. The results are discussed on the basis of structure-activity relationships.
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