Patents by Inventor Kohzoh Imai
Kohzoh Imai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12123876Abstract: The present invention provides an antibody for detecting mesothelioma and an antibody having high specificity to mesothelioma and high sensitivity thereto. The present invention also provides a method of diagnosis of mesothelioma by using the antibody, a reagent containing the antibody for use in diagnosis of mesothelioma, and a kit comprising the antibody for use in diagnosis of mesothelioma. Further, the present invention provides a marker for use in diagnosis of mesothelioma. Furthermore, the present invention provides a pharmaceutical composition containing the antibody according to the present invention or an antigen-binding fragment thereof for use in treatment of mesothelioma. An antibody that binds to a glycosylated HEG1 protein obtained from mesothelioma.Type: GrantFiled: January 16, 2017Date of Patent: October 22, 2024Assignees: Kanagawa Prefectural Hospital Organization, The University of TokyoInventors: Shoutaro Tsuji, Taihei Kageyama, Kota Washimi, Makiko Tsuji, Rieko Matsuura, Mitsuyo Yoshihara, Kohzoh Imai
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Publication number: 20210208148Abstract: One embodiment of this invention is a method for confirming expression of the PRDM14 gene from blood or lymphatic fluid collected from a subject by: (1) detecting PRDM14 positive CTC which expresses the PRDM14 gene; or (2) measuring the concentration of at least one protein selected from the group consisting of leptin receptor (LEPR), macrophage-derived chemokine (MDC) and gamma-interferon (IFN?).Type: ApplicationFiled: September 25, 2018Publication date: July 8, 2021Applicants: The University of Tokyo, Kanagawa Prefectural Hospital OrganizationInventors: Kohzoh Imai, Hitoshi Zembutsu, Hiroaki Taniguchi, Anri Saitoh, Yohei Miyagi
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Publication number: 20190071517Abstract: The present invention provides an antibody for detecting mesothelioma and an antibody having high specificity to mesothelioma and high sensitivity thereto. The present invention also provides a method of diagnosis of mesothelioma by using the antibody, a reagent containing the antibody for use in diagnosis of mesothelioma, and a kit comprising the antibody for use in diagnosis of mesothelioma. Further, the present invention provides a marker for use in diagnosis of mesothelioma. Furthermore, the present invention provides a pharmaceutical composition containing the antibody according to the present invention or an antigen-binding fragment thereof for use in treatment of mesothelioma. An antibody that binds to a glycosylated HEG1 protein obtained from mesothelioma.Type: ApplicationFiled: January 16, 2017Publication date: March 7, 2019Inventors: Shoutaro TSUJI, Taihei KAGEYAMA, Kota WASHIMI, Makiko TSUJI, Rieko MATSUURA, Mitsuyo YOSHIHARA, Kohzoh IMAI
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Publication number: 20180057553Abstract: A technique is provided which enables simple and low-cost purification of biologically active proteins by means of a conjugate of a target substance capturing molecule and a protein which comprises the amino acid sequence in SEQ ID NO:1, or a protein which comprises the amino acid sequence obtained by deleting, substituting or adding one or multiple amino acids in the amino acid sequence in SEQ ID NO: 1 and which has binding activity to a compound having —OH or —OR1 [R1 represents a hydrogen atom, an alkyl group or —PO3H2].Type: ApplicationFiled: March 4, 2016Publication date: March 1, 2018Applicants: The University of Tokyo, Kanagawa Prefectural Hospital OrganizationInventors: Kohzoh IMAI, Shotaro TSUJI
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Patent number: 9631014Abstract: Disclosed is a method of diagnosing graft-versus-host disease, comprising measuring the level of CCL8 protein in a sample obtained from a subject as an indicator for the diagnosis or course of graft-versus-host disease. Also a diagnostic reagent for graft-versus-host disease comprising an anti-CCL8 antibody is disclosed. The method of the present invention enables diagnosis of the onset of graft-versus-host disease and monitoring of the progress, in particular, differential diagnosis between graft-versus-host disease and an infectious disease. The present invention also provides a method for treating graft-versus-host disease utilizing the anti-CCL8 antibody.Type: GrantFiled: April 3, 2014Date of Patent: April 25, 2017Assignee: SAPPORO MEDICAL UNIVERSITYInventors: Tsukasa Hori, Yasuo Kokai, Yasuyoshi Naishiro, Hiroyuki Tsutsumi, Kohzoh Imai
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Publication number: 20150031033Abstract: The object aims to comprehensively analyze miRNA that undergoes epigenetic silencing in cancer to identify miRNA associated with cancer, elucidate the role of the identified miRNA in cancer, and develop a novel method for detecting cancer and a novel therapeutic agent for cancer both of which relate to the miRNA. Disclosed is a method for detecting cancer in a subject, which comprises detecting methylated CpG in a CpG island located in a promoter region of a microRNA 34b gene and/or a microRNA 34c gene in a biological sample collected from the subject. Also disclosed is a therapeutic agent for cancer, which comprises a nucleic acid encoding a BTG4 gene or BTG4, or comprises a nucleic acid encoding a miR-34b gene and/or an miR-34c gene or miR-34b and/or miR-34c.Type: ApplicationFiled: August 8, 2014Publication date: January 29, 2015Applicant: Sapporo Medical UniversityInventors: Hiromu Suzuki, Minoru Toyota, Kohzoh Imai, Yasuhisa Shinomura, Takashi Tokino
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Patent number: 8841268Abstract: The object aims to comprehensively analyze miRNA that undergoes epigenetic silencing in cancer to identify miRNA associated with cancer, elucidate the role of the identified miRNA in cancer, and develop a novel method for detecting cancer and a novel therapeutic agent for cancer both of which relate to the miRNA. Disclosed is a method for detecting cancer in a subject, which comprises detecting methylated CpG in a CpG island located in a promoter region of a microRNA 34b gene and/or a microRNA 34c gene in a biological sample collected from the subject. Also disclosed is a therapeutic agent for cancer, which comprises a nucleic acid encoding a BTG4 gene or BTG4, or comprises a nucleic acid encoding a miR-34b gene and/or an miR-34c gene or miR-34b and/or miR-34c.Type: GrantFiled: May 7, 2009Date of Patent: September 23, 2014Assignee: Sapporo Medical UniversityInventors: Hiromu Suzuki, Minoru Toyota, Kohzoh Imai, Yasuhisa Shinomura, Takashi Tokino
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Publication number: 20140234335Abstract: Disclosed is a method of diagnosing graft-versus-host disease, comprising measuring the level of CCL8 protein in a sample obtained from a subject as an indicator for the diagnosis or course of graft-versus-host disease. Also a diagnostic reagent for graft-versus-host disease comprising an anti-CCL8 antibody is disclosed. The method of the present invention enables diagnosis of the onset of graft-versus-host disease and monitoring of the progress, in particular, differential diagnosis between graft-versus-host disease and an infectious disease. The present invention also provides a method for treating graft-versus-host disease utilizing the anti-CCL8 antibody.Type: ApplicationFiled: April 3, 2014Publication date: August 21, 2014Applicant: SAPPORO MEDICAL UNIVERSITYInventors: Tsukasa HORI, Yasuo KOKAI, Yasuyoshi NAISHIRO, Hiroyuki TSUTSUMI, Kohzoh IMAI
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Publication number: 20130267430Abstract: Disclosed is a method of diagnosing graft-versus-host disease, comprising measuring the level of CCL8 protein in a sample obtained from a subject as an indicator for the diagnosis or course of graft-versus-host disease. Also a diagnostic reagent for graft-versus-host disease comprising an anti-CCL8 antibody is disclosed. The method of the present invention enables diagnosis of the onset of graft-versus-host disease and monitoring of the progress, in particular, differential diagnosis between graft-versus-host disease and an infectious disease. The present invention also provides a method for treating graft-versus-host disease utilizing the anti-CCL8 antibody.Type: ApplicationFiled: June 14, 2012Publication date: October 10, 2013Applicant: SAPPORO MEDICAL UNIVERSITYInventors: Tsukasa HORI, Yasuo KOKAI, Yasuyoshi NAISHIRO, Hiroyuki TSUTSUMI, Kohzoh IMAI
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Patent number: 8481497Abstract: [PROBLEMS] To provide a technique which enables an effective antibody therapy for cancer which targets for FGFR1 without the need of using any effective antibody having high specificity and a potent cell-killing activity. [MEANS FOR SOLVING PROBLEMS] Disclosed are: a therapeutic agent for cancer, which comprises an enhancer of the expression of a fibroblast growth factor receptor-1 and an anti-fibroblast growth factor receptor-1 antibody; and a method for the treatment of cancer using the therapeutic agent.Type: GrantFiled: May 29, 2008Date of Patent: July 9, 2013Assignees: Sapporo Medical University, The University of TokyoInventors: Kohzoh Imai, Shigeru Sasaki, Tsutomu Seito
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Publication number: 20130065779Abstract: Disclosed is a method of diagnosing graft-versus-host disease, comprising measuring the level of CCL8 protein in a sample obtained from a subject as an indicator for the diagnosis or course of graft-versus-host disease. Also a diagnostic reagent for graft-versus-host disease comprising an anti-CCL8 antibody is disclosed. The method of the present invention enables diagnosis of the onset of graft-versus-host disease and monitoring of the progress, in particular, differential diagnosis between graft-versus-host disease and an infectious disease. The present invention also provides a method for treating graft-versus-host disease utilizing the anti-CCL8 antibody.Type: ApplicationFiled: June 14, 2012Publication date: March 14, 2013Inventors: Tsukasa HORI, Yasuo Kokai, Yasuyoshi Naishiro, Hiroyuki Tsutsumi, Kohzoh Imai
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Publication number: 20110129524Abstract: [Problems] To provide a technique which enables an effective antibody therapy for cancer which targets for FGFR1 without the need of using any effective antibody having high specificity and a potent cell-killing activity. [Means for Solving Problems] Disclosed are: a therapeutic agent for cancer, which comprises an enhancer of the expression of a fibroblast growth factor receptor-1 and an anti-fibroblast growth factor receptor-1 antibody; and a method for the treatment of cancer using the therapeutic agent.Type: ApplicationFiled: May 29, 2008Publication date: June 2, 2011Applicants: IMMUNO-BIOLOGICAL LABORATORIES CO., LTD, SAPPOROR MEDICAL UNIVERSITYInventors: Kohzoh Imai, Shigeru Sasaki, Tsutomu Seito
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Publication number: 20110130341Abstract: The object aims to comprehensively analyze miRNA that undergoes epigenetic silencing in cancer to identify miRNA associated with cancer, elucidate the role of the identified miRNA in cancer, and develop a novel method for detecting cancer and a novel therapeutic agent for cancer both of which relate to the miRNA. Disclosed is a method for detecting cancer in a subject, which comprises detecting methylated CpG in a CpG island located in a promoter region of a microRNA 34b gene and/or a microRNA 34c gene in a biological sample collected from the subject. Also disclosed is a therapeutic agent for cancer, which comprises a nucleic acid encoding a BTG4 gene or BTG4, or comprises a nucleic acid encoding a miR-34b gene and/or an miR-34c gene or miR-34b and/or miR-34c.Type: ApplicationFiled: May 7, 2009Publication date: June 2, 2011Applicant: Sapporo Medical UniversityInventors: Hiromu Suzuki, Minoru Toyota, Kohzoh Imai, Yasuhisa Shinomura, Takashi Tokino
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Publication number: 20100183586Abstract: Disclosed is a method of diagnosing graft-versus-host disease, comprising measuring the level of CCL8 protein in a sample obtained from a subject as an indicator for the diagnosis or course of graft-versus-host disease. Also a diagnostic reagent for graft-versus-host disease comprising an anti-CCL8 antibody is disclosed. The method of the present invention enables diagnosis of the onset of graft-versus-host disease and monitoring of the progress, in particular, differential diagnosis between graft-versus-host disease and an infectious disease. The present invention also provides a method for treating graft-versus-host disease utilizing the anti-CCL8 antibody.Type: ApplicationFiled: June 23, 2008Publication date: July 22, 2010Inventors: Tsukasa Hori, Yasuo Kokai, Yasuyoshi Naishiro, Hiroyuki Tsutsumi, Kohzoh Imai
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Publication number: 20100068702Abstract: The invention relates to a sample containing a gastric mucosa lavage fluid collected from a subject who has received a gastric mucus removal treatment and a method for detecting a disease-related marker using the same. By using the sample of the invention, the disease-related marker can be detected conveniently, less invasively, highly sensitively and highly accurately.Type: ApplicationFiled: May 15, 2007Publication date: March 18, 2010Applicants: Sapporo Medical University, St. Marianna University, School of MedicineInventors: Yoshiyuki Watanabe, Yoshiyuki Watanabe, Minoru Toyota, Kohzoh Imai, Yasuhisa Shinomura, Fumio Itoh, Takashi Tokino
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Patent number: 4990454Abstract: A monoclonal antibody specifically reactive to a human adenocarcinoma cell, which is obtainable by cultivating a fused cell obtained by fusing a mammalian animal cell, immunized with a human adenocarcinoma cell, with a myeloma cell.Type: GrantFiled: January 12, 1990Date of Patent: February 5, 1991Assignee: Nihon Medi-Physics Co., Ltd.Inventors: Akira Yachi, Kohzoh Imai, Takao Endo, Yuji Hinoda, Takafumi Yamashita, Hideo Fujita