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    • 5. 发明授权
    • Device for measuring radiation intensity of small sealed radiation source for cancer therapy
    • 用于测量癌症治疗的小型密封辐射源的辐射强度的装置
    • US09176236B2
    • 2015-11-03
    • US14434374
    • 2013-10-02
    • THE UNIVERSITY OF TOKUSHIMALSIP, LLC
    • Minoru SakamaHitoshi IkushimaTakaharu YamadaHisashi TakaiTeruyoshi Ichiraku
    • A61N5/10G01T1/161
    • G01T1/161A61N5/1001A61N5/1048A61N5/1075
    • The invention provides a radiation intensity measuring apparatus for each of small sealed radiation sources for cancer therapy that is capable of measuring multiple cartridges. The apparatus includes a device for setting up multiple cartridges and a device for measuring the radiation intensities of radiation passing through a narrow slit. Radiation is emitted from multiple radiation sources and the radiation measurement device moves simultaneously together with the slit along with the side of cartridge holding device while scanning the radiation intensities. Included is a radiation detection scanning device for measuring radiation intensities for each of the radiation sources passing through the narrow slit, and a slit shielding system for restricting radiation originated originating from both the side neighboring radiation sources. The moving device is configured move the radiation measurement device along the direction in the side of cartridge where multiple radiation sources are lined up close to each other.
    • 本发明提供了一种能够测量多个盒的用于癌症治疗的小型密封辐射源的辐射强度测量装置。 该装置包括用于设置多个盒的装置和用于测量通过狭窄狭缝的辐射的辐射强度的装置。 辐射从多个辐射源发射,并且辐射测量装置在扫描辐射强度的同时与狭缝一起同时与盒保持装置的侧面一起移动。 包括用于测量通过窄狭缝的每个辐射源的辐射强度的辐射检测扫描装置,以及用于限制源自两个相邻辐射源的辐射的狭缝屏蔽系统。 移动装置被配置为沿着盒的侧面上的方向移动辐射测量装置,其中多个辐射源彼此靠近排列。
    • 6. 发明申请
    • DEVICE FOR MEASURING RADIATION INTENSITY OF SMALL SEALED RADIATION SOURCE FOR CANCER THERAPY
    • 用于测量癌症治疗小切口辐射源辐射强度的装置
    • US20150241568A1
    • 2015-08-27
    • US14434374
    • 2013-10-02
    • THE UNIVERSITY OF TOKUSHIMALSIP, LLC
    • Minoru SakamaHitoshi IkushimaTakaharu YamadaHisashi TakaiTeruyoshi Ichiraku
    • G01T1/161A61N5/10
    • G01T1/161A61N5/1001A61N5/1048A61N5/1075
    • Provided is a radiation intensity measuring apparatus for each of small sealed radiation sources for cancer therapy capable of measuring multiple cartridges efficiently and rapidly.A radiation intensity measuring apparatus for radiation sources S in the state that the multiple radiation sources S are packed in a seed cartridge SC of a cartridge C, includes holding means 10 capable of holding the multiple cartridges C; radiation intensity measuring means 30 for measuring intensity of the radiation emitted from the multiple radiation sources S; and moving means 20 for moving the radiation intensity measuring means 30 toward or away from the holding means 10, and the radiation intensity measuring means 30 includes: a sensor 31 for measuring radiation intensity, and a shielding member 35 having a slit 35h provided for restricting radiation irradiated to the sensor 31; and the moving means 20 is configured to be able to relatively move the radiation intensity measuring means 30 along the direction in which the multiple radiation sources S are arranged in the measurement state.
    • 提供了用于癌细胞治疗的小型密封辐射源的每个辐射强度测量装置,其能够有效且快速地测量多个盒。 在多个辐射源S被包装在盒C的种子盒SC中的状态下的用于辐射源S的辐射强度测量装置包括能够保持多个盒C的保持装置10; 用于测量从多个辐射源S发射的辐射的强度的辐射强度测量装置30; 以及用于使辐射强度测量装置30朝向或远离保持装置10移动的移动装置20,并且辐射强度测量装置30包括:用于测量辐射强度的传感器31和具有狭缝35h的屏蔽构件35, 照射到传感器31的辐射; 并且移动装置20被构造成能够使辐射强度测量装置30沿着测量状态下的多个辐射源S的排列方向相对移动。
    • 10. 发明申请
    • INDUCED MALIGNANT STEM CELLS
    • 诱导的恶性肿瘤细胞
    • US20140137274A1
    • 2014-05-15
    • US13690446
    • 2012-11-30
    • National Cancer CenterLSIP, LLC
    • Tetsuya Ishikawa
    • C12N5/095G01N33/50
    • C12N5/0695C12N2501/602C12N2501/603C12N2501/604C12N2501/606C12N2503/00C12N2506/30C12N2510/00G01N33/5011G01N33/5073
    • PROBLEMThere are provided induced malignant stem cells capable of in vitro proliferation that are useful in cancer research and drug discovery for cancer therapy, as well as processes for production thereof, cancer cells derived from these cells, and applications of these cells.MEANS FOR SOLVINGAn induced malignant stem cell capable of in vitro proliferation are characterized by satisfying the following two requirements: (1) having at least one aberration selected from among (a) an aberration of methylation (high or low degree of methylation) in a tumor suppressor gene or a cancer-related genetic region in endogenous genomic DNA, (b) a somatic mutation of a tumor suppressor gene or a somatic mutation of an endogenous cancer-related gene in endogenous genomic DNA, (c) abnormal expression (increased or reduced/lost expression) of an endogenous oncogene or an endogenous tumor suppressor gene, (d) abnormal expression (increased or reduced/lost expression) of a noncoding RNA such as an endogenous cancer-related microRNA, (e) abnormal expression of an endogenous cancer-related protein, (f) an aberration of endogenous cancer-related metabolism (hypermetabolism or hypometabolism), (g) an aberration of endogenous cancer-related sugar chain, (h) an aberration of copy number variations in endogenous genomic DNA, and (i) instability of microsatellites in endogenous genomic DNA in an induced malignant stem cell; and (2) expressing genes including POU5F1 gene, NANOG gene, SOX2 gene, and ZFP42 gene.
    • 问题提供能够进行体外增殖的诱导性恶性干细胞,其可用于癌症研究和药物发现用于癌症治疗,以及其生产方法,衍生自这些细胞的癌细胞以及这些细胞的应用。 解决方法诱导能够体外增殖的恶性干细胞的特征在于满足以下两个要求:(1)具有选自以下的至少一种像差:(a)甲基化的差异(高或低甲基化程度)在 肿瘤抑制基因或内源性基因组DNA中的癌症相关遗传区域,(b)肿瘤抑制基因的体细胞突变或内源性基因组DNA中内源性癌症相关基因的体细胞突变,(c)异常表达(增加或 内源性癌基因或内源性肿瘤抑制基因的减少/丧失表达),(d)非编码RNA如内源性癌相关微小RNA的异常表达(增加或减少/丧失表达),(e)内源性 癌症相关蛋白,(f)内源性癌症相关代谢(高代谢或代谢异常)的差异,(g)内源性癌症相关糖链的差异,(h)拷贝的差异 内源基因组DNA的数量变化,(i)微卫星在诱导的恶性干细胞内源基因组DNA中的不稳定性; 和(2)表达包括POU5F1基因,NANOG基因,SOX2基因和ZFP42基因的基因。