Patents Assigned to Tokyo Metropolitan Institute of Medical Science
  • Publication number: 20130129738
    Abstract: Disclosed is an influenza virus infection inhibitor. Specifically disclosed is a pharmaceutical composition that is composed of an inhibitor such as an antibody which recognizes a peptide comprising the amino acid sequence of RERRRKKR (SEQ ID NO: 1) and inhibits the action of introducing an RR sequence into a cell. The influenza virus infection inhibitor is produced so as to contain the pharmaceutical composition.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 23, 2013
    Applicant: TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
    Inventors: Futoshi Shibasaki, Akira Sakurai
  • Publication number: 20130122026
    Abstract: The present invention aims to provide a DNA vaccine for Alzheimer's disease. The present invention provides a recombinant vector which comprises DNA encoding amyloid ? and DNA encoding a Th2 cytokine, as well as a DNA vaccine for Alzheimer's disease which comprises this vector.
    Type: Application
    Filed: January 17, 2013
    Publication date: May 16, 2013
    Applicant: TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
    Inventor: TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
  • Publication number: 20130115592
    Abstract: The present invention provides modified hepatitis C virus genomic RNA, comprising nucleotide sequences of genomic RNA portions of two or more types of hepatitis C viruses, which comprises a 5? untranslated region, a core protein coding sequence, an E1 protein coding sequence, a p7 protein coding sequence, an E2 protein coding sequence, an NS2 protein coding sequence, an NS3 protein coding sequence, an NS4A protein coding sequence, an NS4B protein coding sequence, an NS5A protein coding sequence, an NS5B protein coding sequence, and a 3? untranslated region, and which can be autonomously replicated. In particular, the present invention relates to modified hepatitis C virus genomic RNA, which can be autonomously replicated by substitution of the RNA sequence portion encoding NS3, NS4, NS5A, and NS5B proteins of hepatitis C virus genomic RNA with a partial RNA sequence encoding NS3, NS4, NS5A, and NS5B proteins of a JFH1 strain shown in SEQ ID NO: 1.
    Type: Application
    Filed: January 4, 2013
    Publication date: May 9, 2013
    Applicants: TORAY INDUSTRIES, INC., TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
    Inventors: Tokyo Metropolitan Institute Of Medical Science, Toray Industries, Inc.
  • Publication number: 20130078277
    Abstract: An objective of this invention is to provide an HCV strain with a high capacity for virus production in a cell culture system. This invention provides a nucleic acid encoding a polyprotein precursor of the hepatitis C virus JFH1 strain having one or more amino acid substitutions, wherein the polyprotein precursor comprises at least substitution of glutamine at position 862 with arginine, as determined with reference to the amino acid sequence as shown in SEQ ID NO: 2 in the Sequence Listing.
    Type: Application
    Filed: March 25, 2011
    Publication date: March 28, 2013
    Applicants: THE UNIVERSITY OF TOKYO, NIHON UNIVERSITY, TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE, TORAY INDUSTRIES, INC., JAPAN AS REPRESENTED BY DIRECTOR-GENERAL OF NATIONAL INSTITUTE OF INFECTIOUS DISEASES, INSTITUTE OF MICROBIOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Yoshihiro Kitamura, Yoko Shimizu, Chie Aoki, Lijuan Yu, Takaji Wakita
  • Patent number: 8383371
    Abstract: The present invention relates to a replicon RNA comprising a nucleotide sequence at least containing the 5? untranslated region, the nucleotide sequence encoding NS3 protein, NS4A protein, NS4B protein, NS5A protein and NS5B protein, and the 3? untranslated region on the genomic RNA of hepatitis C virus of genotype 2a.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: February 26, 2013
    Assignees: Toray Industries, Inc., Tokyo Metropolitan Institute of Medical Science
    Inventors: Takaji Wakita, Takanobu Kato, Tomoko Date
  • Publication number: 20120245050
    Abstract: [Problem] To provide a biomarker for predicting the therapeutic efficacy of allergen immunotherapy.
    Type: Application
    Filed: October 25, 2010
    Publication date: September 27, 2012
    Applicants: NIPPON MEDICAL SCHOOL FOUNDATION, TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
    Inventors: Takachika Hiroi, Kimihiro Okubo
  • Publication number: 20120204279
    Abstract: A polynucleotide encoding the amino acid shown in SEQ ID NO:2 or SEQ ID NO: 5, or encoding an amino acid sequence having not less than 98% identity thereto; preferably a polynucleotide comprising replacement of the amino acid corresponding to glutamic acid at position 1202 of SEQ ID NO:2 (position 177 of SEQ ID NO:5) with glycine, replacement of the amino acid corresponding to glutamic acid at position 1056 (position 31 of SEQ ID NO:5) with valine, and replacement of the amino acid corresponding to alanine at position 2199 (position 1174 of SEQ ID NO:5) with threonine.
    Type: Application
    Filed: August 25, 2010
    Publication date: August 9, 2012
    Applicants: PHOENIXBIO CO., LTD., TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
    Inventors: Michinori Kohara, Masaaki Arai, Chise Mukaidani
  • Patent number: 8182987
    Abstract: An object of an embodiment of the present invention is to provide a method with which it is possible to easily distinguish a proliferation phase of a cell cycle from a resting phase thereof in real time. The object of the embodiment of the present invention is attained by providing a method for performing phase identification of the cell cycle, the method including: visualizing one or more gene-expression products as markers whose amounts in a cell change in a cell-cycle dependent manner; and detecting the products so as to distinguish the proliferation phase of the cell cycle from the resting phase thereof.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: May 22, 2012
    Assignees: Tokyo Metropolitan Institute of Medical Science, Riken
    Inventors: Atsushi Miyawaki, Asako Sawano, Hisao Masai
  • Patent number: 8183044
    Abstract: The present invention relates to a method for producing a recombinant hepatitis C virus-like particle comprising the steps of introducing into (i) a cell in which an RNA replicon comprising a nucleotide sequence comprising the 5? untranslated region, the nucleotide sequence coding for the NS3, NS4A, NS4B, NS5A, and NS5B proteins, and the 3? untranslated region of a genome RNA derived from a hepatitis C virus strain autonomously replicates, (ii) a vector expressing the Core, E1, E2, and p7 proteins derived from a hepatitis C virus strain that is the same as or different from that as defined in the above (i), culturing the cell, and recovering the produced virus-like particle, and a recombinant hepatitis C virus particle produced by this method.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: May 22, 2012
    Assignees: Japan as represented by Director-General of National Institute of Infectious Diseases, Tokyo Metropolitan Institute of Medical Science, Toray Industries, Inc.
    Inventors: Jun-ichi Tanabe, Saburo Sone, Takaji Wakita, Koji Ishii, Ryosuke Suzuki, Tetsuro Suzuki, Tatsuo Miyamura
  • Publication number: 20120115927
    Abstract: Disclosed is a pharmaceutical agent for preventing cell death. The occurrence of cell death can be prevented by inhibiting the function of Int6 protein in an affected area. Then, a pharmaceutical agent comprising a substance capable of inhibiting the function of Int6 protein is prepared. The pharmaceutical agent can be used for preventing cell death.
    Type: Application
    Filed: March 23, 2010
    Publication date: May 10, 2012
    Applicant: TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE
    Inventors: Futoshi Shibasaki, Li Chen
  • Patent number: 8143022
    Abstract: The present invention relates to a method for producing infectious hepatitis C virus (HCV) particles, comprising a step of introducing an expression vector into a cell that allows HCV proliferation, such expression vector comprising: DNA sequences encoding the 5? untranslated region, structural proteins, and, if necessary, non-structural proteins of HCV and DNA sequences encoding non-structural proteins and the 3? untranslated region derived from the HCV JFH1 strain, which are located downstream of a polymerase I promoter; and a DNA fragment containing an RNA polymerase I terminator, which is located further downstream thereof.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: March 27, 2012
    Assignee: Tokyo Metropolitan Institute of Medical Science
    Inventors: Jun-ichi Tanabe, Saburo Sone, Takaji Wakita, Koji Ishii, Ryosuke Suzuki, Tetsuro Suzuki, Tatsuo Miyamura
  • Publication number: 20120065198
    Abstract: The present invention provides a method for diagnosing schizophrenia, and a schizophrenia diagnostic reagent or device for use in the method. The present invention further provides a therapeutic or ameliorating agent for schizophrenia, which is effective for the treatment or amelioration of schizophrenia. The therapeutic or ameliorating agent for schizophrenia contains a carbonyl scavenger or a carbonyl-modified protein formation inhibitor as an active ingredient. The method for diagnosing schizophrenia according to the present invention includes measuring at least one parameter in a subject, the parameter being selected from the group consisting of: (1) a genetic abnormality of glyoxalase I gene; (2) the expression level or activity of glyoxalase I in a biological sample; (3) the amount of a carbonyl compound or a carbonyl-modified protein that is a protein modified with the carbonyl compound; and (4) the amount of pyridoxal in a biological sample.
    Type: Application
    Filed: July 31, 2008
    Publication date: March 15, 2012
    Applicants: Tokai University Educational System, Tokyo Metropolitan Institute of Medical Science, Renascience Co., Ltd., Medical & Biological Laboratories Co., Ltd.
    Inventors: Masanari ITOKAWA, Toshio MIYATA, Makoto ARAI
  • Patent number: 8088082
    Abstract: The present invention provides a fetal movement monitoring system and a fetal movement information collecting device which are simply usable at home to collect and analyze correctly detail information about fetal movements over a long time.
    Type: Grant
    Filed: February 7, 2006
    Date of Patent: January 3, 2012
    Assignee: Tokyo Metropolitan Institute of Medical Science
    Inventors: Kyoko Nishihara, Shigeko Horiuchi
  • Publication number: 20110281271
    Abstract: The present inventors focused on siE sequences that have been thought to show RNAi activity against HCV viral RNAs, and mainly selected the D5-50 and D5-197 regions present within the IRES region, and carried on the analysis. As a result, the present inventors successfully identified siRNA sequences that exhibit a more effective RNAi activity against hepatitis C virus RNAs. Furthermore, the siRNAs were demonstrated to have a significant inhibitory effect on HCV propagation in an in vivo system.
    Type: Application
    Filed: November 26, 2009
    Publication date: November 17, 2011
    Applicants: TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE, CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Michinori Kohara, Masayuki Sudo
  • Patent number: 6429355
    Abstract: A hepatitis type C animal model into which cDNA derived from hepatitis C virus has been introduced. This animal model is useful for clarification of an onset mechanism of hepatitis C and as well as for development of means for treating the disease.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: August 6, 2002
    Assignees: Tokyo Metropolitan Institute of Medical Science, Chugai Seiyaku Kabushiki Kaisha
    Inventors: Michinori Kohara, Takaji Wakita, Hiromichi Yonekawa, Choji Taya, Izumu Saito
  • Patent number: 6201166
    Abstract: Transgenic mice are described which serve as a model for Hepatitis C infection. The transgenic mice contain, in their germline and somatic cells, the Hepatitis C viral fragment CN2, N24 or CR under the control of a Cre-loxP switch-expression system. Administration of Cre to the mice results in a phenotype of increased serum GTP levels, emergence of acidophilic bodies in the liver, exfoliation of hepatic cells, hypertrophy and hyperplasia of Kupffer's cells, and conglomeration of lymphocytes.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: March 13, 2001
    Assignee: Tokyo Metropolitan Institute of Medical Science
    Inventors: Michinori Kohara, Takaji Wakita, Hiromichi Yonekawa, Choji Taya, Izumu Saito
  • Patent number: 6118044
    Abstract: Transgenic mice which constitutively express an antibody-type molecule encoded by the transgene and which has an IgE heavy chain constant region and is specific for a pre-defined antigen, provide an allergic reaction to that antigen without prior sensitization and are useful as allergy models.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: September 12, 2000
    Assignees: Sankyo Company, Limited, The Tokyo Metropolitan Institute of Medical Science
    Inventors: Hajime Karasuyama, Hiromichi Yonekawa, Choji Taya, Kunie Matsuoka
  • Patent number: 5871904
    Abstract: This invention concerns a monoclonal antibody having binding specificity for an antigenic determinant site on core structural protein from Non-A,Non-B hepatitis virus (NANBV); a hybridoma cell line capable of producing the monoclonal antibody; a process for the preparation of the monoclonal antibody; an immunoassay of NANBV-related antigens by use of the monoclonal antibody; and a test kit for use in the immunoassay. The preferred monoclonal antibody is 5E3, 5F11, 515S or 1080S. The monoclonal antibody can specifically recognize the NANBV core structural protein in sera from patients with Non-A,Non-B hepatitis thereby being served extensively as an antibody in various immunological reagents for definitive diagnosis of Non-A, Non-B hepatitis.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: February 16, 1999
    Assignees: The Tokyo Metropolitan Institute of Medical Science, International Reagent Corporation, Tonen Corporation
    Inventors: Tomiko Kashiwakuma, Shintaro Yagi, Akira Hasegawa, Tadahiro Kajita, Yohsuke Ohta, Hiroyuki Mori
  • Patent number: 5496549
    Abstract: Disclosed are a bispecific hybrid MoAb having specificity for both an activated platelet and a substance having thrombolytic activity, and a thrombolytic agent comprising the above bispecific MoAb and a substance having thrombolytic activity immunologically bound thereto, whereby efficient, rapid thrombolysis is possible.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: March 5, 1996
    Assignees: Takeda Chemical Industries, Ltd., Tokyo Metropolitan Institute of Medical Science
    Inventors: Hiroh Yamazaki, Kenjiro Tanoue, Susumu Iwasa, Tomofumi Kurokawa
  • Patent number: 4447374
    Abstract: A uniform thin replica film of a specimen for electron microscopy having a high resolution power such as approximately 1 .ANG. is presented. This uniform thin replica film is directly prepared on the specimen by a plasma polymerization technique by depositing organic monomer vapors on a specimen placed on a negative electrode in a high vacuum atmosphere. The deposition is carried out by applying a discharge voltage of from 0.5 to 3 K.V.D.C. between a pair of positive and negative electrodes for 1 to 15 minutes to effect a glow discharge under the conditions of a current density of the glow discharge of from 0.1 and 2 mA/cm.sup.2 and a gas pressure of from 1 to 10.sup.-2 Torr in the system.
    Type: Grant
    Filed: March 10, 1982
    Date of Patent: May 8, 1984
    Assignee: The Tokyo Metropolitan Institute of Medical Science
    Inventor: Akira Tanaka