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    • 6. 发明申请
    • A METHOD FOR TREATING CANCER BASED ON METALLOFULLERENE MONOCRYSTALLINE NANOPARTICLES THAT SPECIFICALLY DISRUPT TUMOR BLOOD VESSELS
    • 一种基于特异性破坏肿瘤血管的METALLOFULLERENE单晶纳米颗粒治疗癌症的方法
    • WO2016015172A8
    • 2016-07-28
    • PCT/CN2014000722
    • 2014-07-29
    • BEIJING FULLCAN BIO TECHNOLOGY CO LTD
    • WANG CHUNRUZHEN MINGMINGSHU CHUNYINGWANG TAISHANLI JIEZHANG GUOQIANG
    • A61K41/00A61P35/00
    • A61K41/0028A61K9/0019A61K41/00A61K51/0487A61K51/1251
    • Disclosed is a use of metallofullerene monocrystalline nanoparticles for the preparation of tumor vascular disrupting agents. The monocrystalline nanoparticles are water-soluble metallofullerene nanoparticles having negative charges on the surfaces thereof, the range of particle diameters thereof being from 50 to 250 nanometers. Additionally, the nanomaterials absorb external radiation energy and convert said energy into heat, and the volumes thereof rapidly expand when the temperature reaches the phase transition point. During treatment, metallofullerene monocrystalline nanoparticles are administrated to a tumor-bearing organism by means of injection; the metallofullerene monocrystalline nanoparticles reach tumor sites by means of blood circulation, and stay at the sites of pores and defects of the tumors; under the effect of the external radiation energy, the metallofullerene monocrystalline nanoparticles accumulate heat and the temperature increases, and the volumes of the nanoparticles sharply expand when the temperature exceeds the phase transition critical point, thereby causing changes in the shape, structure, or functions of the tumor vascular endothelial cells, disrupting the tumor blood vessels, and further starving the tumor cells.
    • 公开了金属富勒烯单晶纳米颗粒用于制备肿瘤血管破坏剂的用途。 单晶纳米颗粒是其表面具有负电荷的水溶性金属富勒烯纳米颗粒,其粒径范围为50至250纳米。 此外,纳米材料吸收外部辐射能量并将所述能量转化为热量,并且当温度达到相变点时,其体积迅速膨胀。 在处理过程中,金属富勒烯单晶纳米颗粒通过注射施用于含肿瘤的生物体; 金属富勒烯单晶纳米颗粒通过血液循环到达肿瘤部位,并停留在肿瘤的孔和缺陷部位; 在外部辐射能量的作用下,金属富勒烯单晶纳米颗粒积聚热量,温度升高,当温度超过相变临界点时,纳米粒子的体积急剧膨胀,从而导致形状,结构或功能的变化 肿瘤血管内皮细胞,破坏肿瘤血管,进一步饥饿肿瘤细胞。
    • 7. 发明申请
    • TUMOR TREATMENT METHOD FOR BLOCKING TUMOR VASCULATURE BY MEANS OF NANOMATERIAL AND EXTERNAL RADIATION SOURCE
    • 通过纳米材料和外部辐射源阻断肿瘤血管的肿瘤治疗方法
    • WO2016015172A1
    • 2016-02-04
    • PCT/CN2014000722
    • 2014-07-29
    • BEIJING FULLCAN BIO TECHNOLOGY CO LTD
    • WANG CHUNRUZHEN MINGMINGWANG TAISHANSHU CHUNYINGZHANG GUOQIANGZOU TOUJUN
    • A61K41/00A61P35/00
    • A61K41/0028A61K9/0019A61K41/00A61K51/0487A61K51/1251
    • The present invention discloses a new use for a nanomaterial. The new use is an application in the preparation of a tumor vessel blocker, said nanomaterial having all of the following properties: (1) the surface is hydrophilic; (2) the surface has electronegativity; (3) the size of the nanomaterial is 50-250 nm, and the material is rigid, such that it is not prone to passing through the hole in the wall of a tumor vessel and becoming stuck in said hole; (4) the nanomaterial can absorb external radiation energy, and internally convert same to thermal energy, and accumulate said thermal energy, causing the morphological structure of said nanomaterial to change dramatically. During treatment, the described nanomaterial is injected into a tumor-bearing organism, then radiation is applied to the tumor section, causing the nanomaterial to absorb the radiation energy and its internal temperature to rise rapidly; when the temperature has risen to a certain level, the morphological structure of the nanomaterial changes (explosion or dramatic volume expansion), thereby causing the morphological structure or function of the tumor vascular endothelial cells to change, destroying the tumor vasculature.
    • 本发明公开了纳米材料的新用途。 新用途是制备肿瘤血管阻滞剂的应用,所述纳米材料具有以下所有性质:(1)表面亲水; (2)表面具有电负性; (3)纳米材料的尺寸为50〜250nm,材料为刚性的,不容易穿过肿瘤血管壁的孔并卡在孔内; (4)纳米材料可以吸收外部辐射能量,并将其内部转换为热能,并累积所述热能,导致纳米材料的形态结构发生显着变化。 在治疗过程中,将所述纳米材料注射到含有肿瘤的生物体内,然后将辐射施加于肿瘤部位,使纳米材料吸收辐射能并使其内部温度迅速上升; 当温度升高到一定水平时,纳米材料的形态结构发生变化(爆炸或剧烈体积膨胀),从而导致肿瘤血管内皮细胞的形态结构或功能发生变化,破坏肿瘤血管。