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OBJECTIVE: To study the therapeutic function and mechanism about photo-activated hypericin to rat C6 glioma.

目的：研究金丝桃素被光激活后对C6胶质瘤的抑制作用及其对bFGF、bFGF-R和微血管密度(microvessel density， MVD)的影响。

Flow cytometry showed that hypericin with light irradiation could block cell growth at S phase and G2 phase.

流式细胞仪分析表明金丝桃素经光照后，可将细胞停留在S期和G2期，增加。

HPLC method was established for determination of hypericin in Yiganqing capsule with good stability and accuracy. It could be used for the quality control of Yiganqing capsule.

结论］所建立的乙肝清胶囊中金丝桃素HPLC含量测定方法具有良好的稳定性、重现性和准确性，可用于乙肝清胶囊的质量控制。

Its convenient to produce hypericin by the enzyme.The main result was as follows:(1) Total RNA of H.

利用酶法生产金丝桃素具有反应条件温和、产物单一易纯化等优点，有良好的发展前景。

Hypericin has been shown to specifically inhibit T-type calcium channel activity.

金丝桃素对T－型钙通道活性有特殊的抑制效果。

Intravitreal injection of hypericin is a safe and effective means of reducing experimental PVR as an initial step in exploring its potential for clinical treatment of PVR.

金丝桃素玻璃体内注射是安全的，并能有效抑制兔实验性PVR的发生发展，为将来临床应用提供可靠的理论依据。

Results Hypericin of different concentrations could significantly inhibit the proliferation and induce the apoptosis of human prostate cancer cells cultured in vitro.

结果：不同浓度的金丝桃素在体外可显著抑制PC3M细胞增殖（P.05），药物浓度为0.5、1.0和2.0 mg·L-1时，抑制率分别为21%、50%和91%；细胞周期出现S期阻滞，由S期进入M2期的比例为零，并诱导PC3M细胞凋亡。

The active ingredient hypericin, is believed to help increase seratonin, the brain chemical that governs mood.

金丝桃素的活性成分，被认为有助于提高色拉扥宁，大脑化学管辖情绪。

RESULTS L ight2activated Hypericin extract has an obvious inhibition effect against MDA231 cells in vitro, and its efficacy was correlated to the concentration of Hypericin extract and the light energy.

结果 光活化的金丝桃素对MDA231细胞有显著的体外杀伤效应，其抑制细胞生长的能力与HY的浓度及光照能量密切相关。

Hypericin belongs to the amphiphile molecule. However, it is very lipophilic and water-insoluble.

金丝桃素属於双性分子，然而本身具亲脂性不溶於水。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐