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    • 1. 发明申请
    • Method for Determining Effectiveness of Medicine Containing Antibody as Component
    • 测定含有抗体作为成分的药物有效性的方法
    • US20130230866A1
    • 2013-09-05
    • US13822320
    • 2011-08-26
    • Minoru MiyashitaKohsuke GondaNoriaki OhuchiMotohiro Takeda
    • Minoru MiyashitaKohsuke GondaNoriaki OhuchiMotohiro Takeda
    • G01N21/64
    • G01N21/6486G01N21/6428G01N21/6456G01N33/582G01N33/6854G01N33/94G01N2800/52
    • Protein recognized by an antibody used as an active ingredient of an antibody medicine such as trastuzumab or an antibody used for targeting a target site of an active ingredient is highly accurately quantitatively determined by employing a quantitative tissue staining method of biological tissues, thereby providing a method for determining therapeutic effectiveness of a medicine containing such an antibody as a component. The effectiveness of a medicine containing an antibody as a component is determined by employing a tissue staining method comprising the steps of: labeling the antibody in the medicine containing an antibody as a component with a fluorescent material and contacting the thus fluorescence-labeled antibody with a tissue sample; obtaining a fluorescence image by irradiating, with excitation light, a tissue site contacted with the antibody; obtaining an autofluorescence image in the same field of view and at the same focus as in the fluorescence image in a close region on a shorter wavelength side or a longer wavelength side of an acquisition wavelength region of fluorescence emitted by the fluorescent material; obtaining a corrected fluorescence image by performing image processing for removing fluorescence brightness of the autofluorescence image from fluorescence brightness of the fluorescence image; counting the number of cells in the tissue site contacted with the antibody; measuring average fluorescence brightness per fluorescent particle; and calculating the number of fluorescent particles per cell.
    • 通过使用生物组织的定量组织染色法,高度准确地定量地测定由用作抗体药物如曲妥珠单抗或用于靶向活性成分的靶位点的抗体的抗体识别的蛋白质,从而提供方法 用于确定含有作为组分的抗体的药物的治疗有效性。 含有抗体作为成分的药物的有效性通过使用组织染色法测定,该方法包括以下步骤:在含有抗体作为组分的药物中用荧光物质标记抗体,并将由此荧光标记的抗体与 组织样本 通过用激发光照射与抗体接触的组织部位来获得荧光图像; 在荧光材料发射的荧光的采集波长区域的较短波长侧或较长波长侧的接近区域中,以与荧光图像相同的视场和相同的焦点获得自发荧光图像; 通过进行从荧光图像的荧光亮度去除自发荧光图像的荧光亮度的图像处理来获得校正的荧光图像; 计数与抗体接触的组织部位中的细胞数; 测量每个荧光颗粒的平均荧光亮度; 并计算每个细胞的荧光颗粒数。
    • 2. 发明申请
    • METHOD FOR DETERMINING CANCER ONSET OR CANCER ONSET RISK
    • 用于确定癌症或癌症风险的方法
    • US20130203082A1
    • 2013-08-08
    • US13819008
    • 2011-08-26
    • Kohsuke GondaMinoru MiyashitaMotohiro TakedaNoriaki Ohuchi
    • Kohsuke GondaMinoru MiyashitaMotohiro TakedaNoriaki Ohuchi
    • G01N21/64
    • G01N21/6486B82Y15/00G01N21/6428G01N21/6458G01N33/57415G01N33/588G01N2800/50
    • A highly accurate and quantitative method for determining cancer onset or cancer onset risk by a quantitative tissue staining method in biological tissues using an antibody capable of recognizing a cancer growth regulatory factor or cancer metastasis regulatory factor such as PAR1 antibody, which inhibits the cancer cell mobility and infiltration is provided. Cancer onset or cancer onset risk is determined using the tissue staining method comprising the steps of: labeling an antibody which recognizes a cancer growth regulatory factor or cancer metastasis regulatory factor with a fluorescent material, and contacting the fluorescent-labeled antibody with a tissue sample; irradiating a tissue site in contact with the antibody with excitation light to acquire a fluorescence image; acquiring an autofluorescence image in a vicinity region of a short wavelength side or long wavelength side of an acquisition region of fluorescence wavelength emitted by the fluorescent material, in the same field of vision and in the same focal point as those of the fluorescence image; acquiring a corrected fluorescence image by image processing to eliminate a fluorescent brightness of the autofluorescence image from the fluorescent brightness of the fluorescence image; counting the number of cells at the tissue site in contact with the antibody; measuring a mean fluorescent brightness of a single fluorescent particle; and calculating the number of fluorescent particles per cell.
    • 使用能够识别癌细胞生长调节因子或癌转移调节因子(例如抑制癌细胞迁移率的PAR1抗体)的抗体,通过定量组织染色法在生物组织中测定癌症发病或癌症发病风险的高度准确和定量的方法 并提供渗透。 使用组织染色方法确定癌症发病或癌症发病风险,其包括以下步骤:用荧光材料标记识别癌症生长调节因子或癌症转移调节因子的抗体,并将荧光标记的抗体与组织样品接触; 用激发光照射与抗体接触的组织部位以获得荧光图像; 在荧光材料发射的荧光波长的获取区域的短波长侧或长波长侧的附近区域中,在与荧光图像相同的视场和相同的焦点中获取自发荧光图像; 通过图像处理获得校正的荧光图像,以从荧光图像的荧光亮度消除自发荧光图像的荧光亮度; 计数与抗体接触的组织部位的细胞数; 测量单个荧光颗粒的平均荧光亮度; 并计算每个细胞的荧光颗粒数。