CN102885843B - Houttuynoid B在治疗乳腺癌药物中的应用 - Google Patents
Houttuynoid B在治疗乳腺癌药物中的应用 Download PDFInfo
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Abstract
本发明公开了Houttuynoid B在制备治疗乳腺癌药物中的应用，属于药物新用途技术领域。本发明通过体外MTT抗肿瘤活性评价发现，Houttuynoid B对人乳腺癌细胞株4T1、MCF-7、MDA-MB-231和MCF-7B的生长也具有显著的抑制作用。因此，Houttuynoid B能用于制备抗乳腺癌药物，具有良好的开发应用前景。对于本发明涉及的Houttuynoid B在制备治疗乳腺癌药物中的用途属于首次公开，由于骨架类型属于全新的骨架类型，而且其对于乳腺癌细胞的抑制活性强得意想不到。
Description
技术领域
本发明涉及化合物Houttuynoid B的新用途，尤其涉及HouttuynoidB在制备抗乳腺癌药物中的应用。
技术背景
癌症是对人类生命健康危害最大的疾病之一，每年都有大量的人死于癌症。抗癌药物的研发一直是药学研究的热点。抗肿瘤药物中有74%是天然产物或其衍生物，如紫杉醇及其衍生物就是目前临床上应用效果比较好的抗肿瘤药物。因此，从天然产物中寻找抗癌化合物或先导化合物具有重要的意义。
本发明涉及的化合物Houttuynoid B是一个2012年发表（Chen, S.D. et al., 2012. Houttuynoid B_E, Anti-Herpes SimplexVirus Active Flavonoids with Novel Skeletons from Houttuynia cordata. Organic Letters 14 (7), 1772–1775.）的新骨架化合物，该化合物拥有全新的骨架类型，目前的用途仅仅涉及抗单纯疱疹病毒活性（Chen, S. D. et al., 2012. Houttuynoid B_E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata. Organic Letters 14 (7), 1772–1775.），对于本发明涉及的Houttuynoid B在制备治疗乳腺癌药物中的用途属于首次公开，由于骨架类型属于全新的骨架类型，而且其对于乳腺癌细胞的抑制活性强得意想不到，不存在由其他化合物给出任何启示的可能，具备突出的实质性特点，同时用于乳腺癌的防治显然具有显著的进步。
发明内容
本发明提供化合物Houttuynoid B在制备抗肿瘤药物中的应用。
本发明采用如下技术方案：Houttuynoid B在制备抗乳腺癌药物中的应用，Houttuynoid B的结构式如式（Ⅰ）所示：
本发明通过体外MTT抗肿瘤活性评价发现，Houttuynoid B对人乳腺癌细胞株4T1、MCF-7、MDA-MB-231和MCF-7B的生长也具有显著的抑制作用，抑制这4株细胞生长的IC50值分别为0.23±0.05μM、0.31±0.06μM、0.37±0.05μM和0.43±0.07μM。因此，Houttuynoid B能用于制备抗乳腺癌药物，具有良好的开发应用前景。
本发明涉及的Houttuynoid B在制备治疗乳腺癌药物中的用途属于首次公开，由于骨架类型属于全新的骨架类型，而且其对于乳腺癌细胞的抑制活性强得意想不到，不存在由其他化合物给出任何启示的可能，具备突出的实质性特点，同时用于乳腺癌的防治显然具有显著的进步。
以下通过实施例对本发明作进一步详细的说明，但本发明的保护范围不受具体实施例的任何限制，而是由权利要求加以限定。
具体实施方式
本发明所涉及化合物Houttuynoid B的制备方法参见文献（Chen, S. D. et al., 2012.Houttuynoid B_E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata.Organic Letters 14 (7), 1772–1775.）。
以下通过实施例对本发明作进一步详细的说明，但本发明的保护范围不受具体实施例的任何限制，而是由权利要求加以限定。
实施例1：本发明所涉及化合物Houttuynoid B片剂的制备：
取20克化合物Houttuynoid B，加入制备片剂的常规辅料180克，混匀，常规压片机制成1000片。
实施例2：本发明所涉及化合物Houttuynoid B胶囊剂的制备：
取20克化合物Houttuynoid B，加入制备胶囊剂的常规辅料如淀粉180克，混匀，装胶囊制成1000片。
下面通过药效学实验来进一步说明其药物活性。
实验例：采用MTT法评价化合物Houttuynoid B对人乳腺癌细胞株的生长抑制作用
1．方法：处于生长对数期的细胞：人乳腺癌细胞株4T1、MCF-7、MDA-MB-231和MCF-7B（购买自中国科学院细胞库）以1.5×104浓度种于96孔板中。细胞培养24 h贴壁后吸去原来的培养基。试验分为空白对照组、药物处理组。空白组更换含10%胎牛血清的1640培养基；药物处理组更换含浓度为100 μM，50 μM，10 μM，1 μM，0.1 μM，0.01 μM和0.001 μM的Houttuynoid B的培养基。培养48 h后，加入浓度5 mg/mL的MTT，继续放于CO2培养箱培养4 h，然后沿着培养液上部吸去100 μL上清，加入100 μL DMSO，暗处放置10min，利用酶标仪（Sunrise公司产品）测定吸光值(波长570nm)，并根据吸光值计算细胞存活情况，每个处理设6个重复孔。细胞存活率(%)=ΔOD药物处理/ΔOD空白对照×100。
2. 结果：Houttuynoid B对人乳腺癌细胞株4T1、MCF-7、MDA-MB-231和MCF-7B的生长具有显著的抑制作用。该化合物抑制人乳腺癌细胞株4T1、MCF-7、MDA-MB-231和MCF-7B生长的IC50值分别为：0.23±0.05μM、0.31±0.06μM、0.37±0.05μM和0.43±0.07μM。
由上述实施例表明，本发明的Houttuynoid B对人乳腺癌细胞株4T1、MCF-7、MDA-MB-231和MCF-7B的生长具有很好的抑制作用。由此证明，本发明的Houttuynoid B具有抗乳腺癌活性，能用于制备抗乳腺癌药物。
Claims (1)
1.Houttuynoid B在制备治疗乳腺癌药物中的应用，所述化合物Houttuynoid B结构如式（Ⅰ）所示：
式（Ⅰ）。
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- 2012-10-27 CN CN201210417496.3A patent/CN102885843B/zh active Active
Non-Patent Citations (2)
| Title |
|---|
| Shao-Dan Chen,等.Houttuynoids A-E, Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata.《Organic Letters》.2012,第14卷(第7期),1772-1775. * |
| Shao-DanChen，等.HouttuynoidsA-E Anti-Herpes Simplex Virus Active Flavonoids with Novel Skeletons from Houttuynia cordata.《Organic Letters》.2012 |
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