Effect of Radix notoginseng saponins on platelet activating molecule expression and aggregation in patients with blood hyperviscosity syndrome

Alternative Medicine Review,  Sept, 2004  by J. Wang,  J. Xu,  J.B. Zhong

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Wang J, Xu J, Zhong JB. Zhongguo Zhong Xi Yi Jie He Za Zhi 2004:24:312-316. [Article in Chinese]

OBJECTIVE: In order to explore the relationship between the active components and the functional links of Chinese herbs, the effect of Xuesaitong capsule, a preparation made of multi-component Panax notoginseng saponins (PNS) on platelet activating molecule expression and aggregation in patients with blood hyperviscosity syndrome (BHS) was observed, with aspirin (ASP) as a control. METHODS: One hundred and twenty patients with BHS were divided, adopting randomized, double-blinded and double simulated principle into 2 groups, the PNS group and the ASP group, 60 in each group. Changes of the TCM clinical syndrome, platelet adhesion and aggregation, endothelin (ET), prostacyclin, thromboxane, CD62P and CD41 before treatment and alter 28 days treatment were observed. RESULTS: Comparison between the therapeutic effects of the two groups on TCM clinical syndrome showed that the total effective rate in the PNS group was 86.67% and that in the ASP group 56.67%, showing significant difference (P < 0.05). Compared with before treatment, after treatment, levels of platelet adhesion and aggregation, endothelin, prostacyclin and thromboxane were significantly different in both groups (P < 0.05 or P < 0.01): levels of CD62P and CD41 in the PNS group were also significantly different, but the difference was insignificant in the ASP group: no significant difference was shown in both groups in levels of triglyceride, total cholesterol and very low density lipoprotein-cholesterol. CONCLUSION: PNS may inhibit activation of platelet through multiple components and multiple pathways, which is different from that of ASP, only through inhibition on arachidonic acid metabolism to suppress platelet aggregation. PNS has effects of decreasing platelet superficial activation, inhibiting platelet adhesion and aggregation, preventing thrombosis and improving microcirculation, and its therapeutic effect on clinical syndrome is better than that of ASR

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