Patents Assigned to The Chemo-Sero-Therapeutic Research Institute
  • Publication number: 20200140843
    Abstract: A method for monomerization of MMP-7 aggregates is provided. A method for monomerization of MMP-7 aggregates which comprises treating MMP-7 aggregates with a buffer solution comprising a monovalent cation chloride (sodium chloride, potassium chloride, etc.) at a low concentration or with a buffer solution not comprising a monovalent cation chloride, a process for preparing MMP-7 which involves said method for monomerization, and a (pharmaceutical) composition comprising MMP-7 in the aforementioned buffer solution. In case that a (pharmaceutical) composition comprising MMP-7 at a low concentration is prepared, the aforementioned buffer solution comprising sugar alcohols or sugars is used.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 7, 2020
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Hiroshi NAKATAKE, Masaki HIRASHIMA, Hideki TAKEO, Reiko MATSUYAMA, Wataru MORIKAWA
  • Patent number: 10556005
    Abstract: A novel adjuvant composition is provided that is excellent in safety and convenience as compared to the conventional adjuvant such as Alum. An adjuvant composition comprising citrullines, which are water soluble substance present in the living body, and/or a salt thereof; a vaccine composition comprising said adjuvant composition and an antigen; a process for preparing said adjuvant composition and said vaccine composition; and a method for administering said adjuvant composition and said vaccine composition are provided.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: February 11, 2020
    Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Chikateru Nozaki, Kazuyoshi Kaminaka, Junichi Matsuda
  • Patent number: 10487137
    Abstract: The present invention provides for a method for improving properties of an antibody such as an expression level and stability. A method for obtaining an antibody with an improved expression level and/or stability by modifying human antibody or a humanized antibody, characterized by that at least any one of the amino acid residues at position 8, 12, 15 or 18 (according to Kabat numbering) in a light chain variable region (hereinafter referred to as “VL chain”) of a human antibody or a humanized antibody is substituted with a different amino acid other than proline or cysteine, and a human antibody or a humanized antibody or a human antibody fragment or a humanized antibody fragment with an improved expression level and/or stability which are obtained by said method.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 26, 2019
    Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Masaharu Torikai, Toshihiro Nakashima
  • Patent number: 10392603
    Abstract: A method of producing a virus in cell culture comprising at least the steps of a) providing a population of cells cultured in a cell culture medium, b) infecting the population of cells by i. inoculating the population with the virus, and ii. incubating the inoculated population so as to allow the virus to replicate and propagate, c) collecting the produced virus, thereby providing a viral harvest, and d) purifying the virus, wherein a power density of at least 15 W/m3, at least 30 W/m3, at least 60 W/m3, at least 100 W/m3, at least 120 W/m3 is applied to the cell culture at least during step b).
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 27, 2019
    Assignee: The Chemo-Sero-Therapeutic Research Institute
    Inventors: Pascal Charles Louis Gerkens, Michele Therese Rita Lecocq, Tatsuya Kasugaya, Kenjiro Kawatsu, Yoshinobu Miyatsu, Tetsuro Tanabe
  • Patent number: 10279025
    Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: May 7, 2019
    Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Ryuichi Sakamoto, Masashi Sakaguchi
  • Publication number: 20180340155
    Abstract: A highly safe dengue vaccine was invented that induced a neutralizing antibody response against all of the four serotypes of dengue virus without developing more than a fixed level of viremia with single administration. A tetravalent dengue virus formulation is provided that is excellent in both efficacy (neutralizing antibody response) and safety (viremia).
    Type: Application
    Filed: November 25, 2016
    Publication date: November 29, 2018
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Kengo SONODA, Yasuhiko SHINMURA, Susumu YAMAORI, Motoharu ABE, Shinichi MARUNO, Shota TAKAGI, Yasuhisa HAYASHI, Kazuhisa KAMEYAMA, Fusae KOMURA, Aki FUKUDA, Naomi UCHIDA, Masaya YOSHIMURA
  • Patent number: 10071061
    Abstract: A sterile composition which comprises a protein and an aliphatic polyester containing the protein and is sterilized with radiation. In this sterile composition, the structure and function (activity) of the protein are retained.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 11, 2018
    Assignees: TEIJIN LIMITED, Teijin Pharma Limited, THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Yukako Kageyama, Kentaro Fujinaga, Ayuko Yamaguchi, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Ayumi Ishiwari
  • Publication number: 20180078679
    Abstract: An anti-adhesion material comprising decellularized tissues and a biocompatible polymer or fibrin glue; a method for preparing an anti-adhesion material comprising complexing a biocompatible polymer or fibrin glue to decellularized tissues; an anti-adhesion material kit comprising decellularized tissues and a biocompatible polymer or fibrin glue; a substitute biomembrane comprising decellularized tissues and a biocompatible polymer or fibrin glue; a method for preparing a substitute biomembrane comprising complexing a biocompatible polymer or fibrin glue to decellularized tissues; and a substitute biomembrane kit comprising decellularized tissues and a biocompatible polymer or fibrin glue.
    Type: Application
    Filed: March 7, 2016
    Publication date: March 22, 2018
    Applicants: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE, ADEKA CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, SAPPORO MEDICAL UNIVERSITY
    Inventors: Hideki SAGA, Takanori UCHIDA, Shoko TOKOROZAKI, Ken-ichiro HIWATARI, Haruki OBARA, Akio KISHIDA, Tsuyoshi KIMURA, Jun NEGISHI, Tetsuya HIGAMI, Seiichi FUNAMOTO
  • Publication number: 20170369854
    Abstract: Methods of producing and purifying viruses using density gradient ultracentrifugation. The methods are suitable for large scale production, and for viruses produced in eggs or in cell culture.
    Type: Application
    Filed: December 14, 2015
    Publication date: December 28, 2017
    Applicants: GlaxoSmithKline Biologicals SA, The Chemo-Sero-Therapeutic Research Institute
    Inventors: Pascal Charles Louis GERKENS, Jean-Francois Jose Alain Marie Ghislain LERUSE
  • Patent number: 9849170
    Abstract: Disclosed is a microneedle coating composition comprising a Japanese encephalitis vaccine antigen, a basic amino acid, and an acid, wherein the mole number of the acid for one mole of the basic amino acid is larger than 1/(N+1) and less than 2, where N represents the valence of the acid.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: December 26, 2017
    Assignees: HISAMITSU PHARMACEUTICAL CO., INC., THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Kazuya Machida, Seiji Tokumoto, Kazuyoshi Kaminaka, Yuji Ishikawa
  • Patent number: 9809803
    Abstract: This invention provides a vaccinia virus that grows specifically in a cancer cell and damages such cancer cell and the use of such virus for treatment of cancer. Such mitogen-activated protein kinase-dependent vaccinia virus strain lacks functions of vaccinia virus growth factor (VGF) and O1L, it does not grow in normal cells but grows specifically in cancer cells, and it has oncolytic properties that specifically damage cancer cells.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: November 7, 2017
    Assignees: National University Corporation Tottori University, The Chemo-Sero-Therapeutic Research Institute
    Inventor: Takafumi Nakamura
  • Publication number: 20170281745
    Abstract: A vaccine composition for birds comprising as an active ingredient a structure containing O-antigen derived from Gram-negative bacteria, provided that said structure does not contain a whole cell, and a process for preparing the same are provided. By using a structure containing O-antigen (e.g. lipopolysaccharide) derived from Gram-negative bacteria as an active ingredient in accordance with the present invention, alleviation of inoculation reaction and reduction in an amount of injection are attained as compared to the conventional whole-cells vaccine to thereby allow for the increase in the number of other antigens to be mixed therewith.
    Type: Application
    Filed: June 15, 2017
    Publication date: October 5, 2017
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Ryuichi SAKAMOTO, Masashi SAKAGUCHI
  • Patent number: 9775884
    Abstract: A fibrinogen preparation is provided which has an improved solubility, may be prepared within a short time and may be used rapidly in clinical set-up. A solid fibrinogen preparation comprising as a main ingredient fibrinogen and further containing the following components: albumin; a nonionic surfactant; a basic amino acid or a salt thereof; and at least two amino acids or a salt thereof selected from an acidic amino acid or a salt thereof and a neutral amino acid or a salt thereof. The solid fibrinogen composition of the present invention may be held on a medical material to form a supporting material holding fibrinogen. Besides, the supporting material holding fibrinogen may be combined with a component comprising as a main ingredient thrombin to provide a fibrin adhesive.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: October 3, 2017
    Assignee: The Chemo-Sero-Therapeutic Research Institute
    Inventors: Shinichi Miyagawa, Tatsuya Araki, Tsutomu Hamuro, Mika Okuda, Hiroshi Kaetsu
  • Publication number: 20170239348
    Abstract: A novel adjuvant composition is provided that is excellent in safety and convenience as compared to the conventional adjuvant such as Alum. An adjuvant composition comprising citrullines, which are water soluble substance present in the living body, and/or a salt thereof; a vaccine composition comprising said adjuvant composition and an antigen; a process for preparing said adjuvant composition and said vaccine composition; and a method for administering said adjuvant composition and said vaccine composition are provided.
    Type: Application
    Filed: May 31, 2016
    Publication date: August 24, 2017
    Applicant: The Chemo-Sero-Therapeutic Research Institute
    Inventors: Chikateru NOZAKI, Kazuyoshi Kaminaka, Junichi Matsuda
  • Publication number: 20170196965
    Abstract: The present invention provides a vaccine containing virus-like particles derived from virus particles having an envelope, in which a lipid-component content of the virus-like particles is reduced relative to a lipid-component content of the virus particles.
    Type: Application
    Filed: July 15, 2015
    Publication date: July 13, 2017
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Kazuhiko KIMACHI, Motoharu ABE, Kazuyuki IKEDA, Hiroto ONUMA, Yukari TSURUDOME, Daisuke IKENO, Kiyoto NISHIYAMA, Tatsufumi ONCHI, Yusuke OOYAMA, Issay ASANO, Ryoichi KITANO
  • Patent number: 9701724
    Abstract: A purpose is to provide a vaccine which can prevent porcine edema disease in farms where porcine edema disease is anticipated. Meeting this purpose is a vaccine that is a fusion protein in which Stx2eB and a polypeptide having a coiled-coil forming unit are joined or a multimer of the fusion protein, and by immunizing pigs with this vaccine, it is possible to induce potent neutralizing antibodies and to defend against the onset of porcine edema disease.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: July 11, 2017
    Assignees: The Chemo-Sero-Therapeutic Research Institute, Jectas Innovators Company Limited
    Inventors: Kenji Yokogawa, Takashi Waki, Yoko Honda, Hirotaka Uefuji, Tomomitsu Sewaki, Takeshi Arakawa, Tetsuya Harakuni, Takeshi Miyata
  • Patent number: 9687536
    Abstract: Provided herein are methods for generating dry vaccine powder formulations. Dry vaccine powder formulations can be used for intranasal delivery. Also provided are methods for stimulating local mucosal and systemic immunity by intranasal vaccine delivery.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: June 27, 2017
    Assignees: SHIN NIPPON BIOMEDICAL LABORATORIES, LTD., THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Ryoichi Nagata, Shunji Haruta
  • Patent number: 9623075
    Abstract: A method for treating a patient who has a neutralizing antibody to a type A1 botulinum toxin. The method includes administering 150 kDa type A neurotoxin from type A2 Clostridium botulinum (A2 NTX) to the patient. In accordance with the present invention, a problem can be solved of decrease in clinical response caused by a neutralizing antibody to a type A1 botulinum toxin produced when a patient is treated with a pharmaceutical preparation containing a type A1 botulinum toxin.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: April 18, 2017
    Assignee: THE CHEMO-SERO THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Shinji Nakahira, Yasushi Torii, Yoshitaka Goto, Miho Shinmura, Satomi Munechika, Sachio Okuda, Shunji Kozaki
  • Patent number: 9615947
    Abstract: An artificial blood vessel that can be transplanted to blood vessels with a small diameter, can be adjusted to an arbitrary size of a diameter, improves in invasiveness when a graft is taken, and overcomes the problem on the provision of a graft is provided. An artificial blood vessel prepared from a decellularized tubular structure, which is prepared by processing a decellularized, sheet-like blood vessel (decellularized blood vessel sheet) into a roll structure, and a tissue adhesive, wherein a portion which is contacted with blood that flows within the artificial blood vessel consists of the tissue of the tunica intima lined with the tissue of the tunica media whereas a portion of the sheet that overlaps when the sheet is processed into a roll structure (overlap width) consists of the tissue of the tunica media and wherein a tissue adhesive is applied to the overlap width.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: April 11, 2017
    Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Noriko Shinya, Takanori Uchida, Akio Kishida, Tetsuya Higami
  • Publication number: 20170081654
    Abstract: A method for monomerization of MMP-7 aggregates is provided. A method for monomerization of MMP-7 aggregates which comprises treating MMP-7 aggregates with a buffer solution comprising a monovalent cation chloride (sodium chloride, potassium chloride, etc.) at a low concentration or with a buffer solution not comprising a monovalent cation chloride, a process for preparing MMP-7 which involves said method for monomerization, and a (pharmaceutical) composition comprising MMP-7 in the aforementioned buffer solution. In case that a (pharmaceutical) composition comprising MMP-7 at a low concentration is prepared, the aforementioned buffer solution comprising sugar alcohols or sugars is used.
    Type: Application
    Filed: May 20, 2015
    Publication date: March 23, 2017
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Hiroshi NAKATAKE, Masaki HIRASHIMA, Hideki TAKEO, Reiko MATSUYAMA, Wataru MORIKAWA