Patents by Inventor Yukiko Yamagishi

Yukiko Yamagishi 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).

  • Patent number: 11746332
    Abstract: A method for acquiring and producing high-purity renal progenitor cells from a renal progenitor cell population into which pluripotent stem cells are induced to differentiate, by identifying a cell surface antigen marker specific to renal progenitor cells. The high-purity renal progenitor cells can be used in regenerative medicine for renal diseases, such as renal failure.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: September 5, 2023
    Assignees: Astellas Pharma Inc., Kyoto University
    Inventors: Tatsuya Kawamoto, Yukiko Yamagishi, Kenji Osafune
  • Patent number: 11225642
    Abstract: The present invention provides: a method for producing renal progenitor cells from intermediate mesoderm cells, which comprises a step of culturing intermediate mesoderm cells in a medium containing a TGF? signaling activator(s) and a BMP inhibitor(s); the renal progenitor cells produced by the method; a pharmaceutical composition comprising the renal progenitor cells; and a therapeutic drug for kidney diseases comprising the renal progenitor cells.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: January 18, 2022
    Assignees: Kyoto University, Astellas Pharma Inc.
    Inventors: Kenji Osafune, Takafumi Toyohara, Yukiko Yamagishi
  • Publication number: 20200407692
    Abstract: A method for acquiring and producing high-purity renal progenitor cells from a renal progenitor cell population into which pluripotent stem cells are induced to differentiate, by identifying a cell surface antigen marker specific to renal progenitor cells. The disclosed method may include, for example, the steps of: (i) culturing the pluripotent stem cells under conditions that induce differentiation into renal progenitor cells; and (ii) sorting a cell population from the cells obtained at step (i), by using at least one cell surface marker selected from the group consisting of CD9(?), CD55(?), CD106(+), CD140a(+), CD140b(+), CD165(+), CD271(+) and CD326(?).
    Type: Application
    Filed: June 25, 2020
    Publication date: December 31, 2020
    Applicants: Astellas Pharma Inc., KYOTO UNIVERSITY
    Inventors: Tatsuya Kawamoto, Yukiko YAMAGISHI, Kenji OSAFUNE
  • Patent number: 10731133
    Abstract: A method for acquiring and producing high-purity renal progenitor cells from a renal progenitor cell population into which pluripotent stem cells are induced to differentiate, by identifying a cell surface antigen marker specific to renal progenitor cells. The disclosed method may include, for example, the steps of: (i) culturing the pluripotent stem cells under conditions that induce differentiation into renal progenitor cells; and (ii) sorting a cell population from the cells obtained at step (i), by using at least one cell surface marker selected from the group consisting of CD9(?), CD55(?), CD106(+), CD140a(+), CD140b(+), CD165(+), CD271(+) and CD326(?).
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: August 4, 2020
    Assignees: Astellas Pharma Inc., Kyoto University
    Inventors: Tatsuya Kawamoto, Yukiko Yamagishi, Kenji Osafune
  • Publication number: 20180273905
    Abstract: An object of the present invention resides in providing a method for acquiring and producing high-purity renal progenitor cells from a renal progenitor cell population into which pluripotent stem cells are induced to differentiate, by identifying a cell surface antigen marker specific to renal progenitor cells. A method for producing renal progenitor cells into which pluripotent stem cells are induced to differentiate, the method comprising the steps of: (i) culturing the pluripotent stem cells under conditions that induce differentiation into renal progenitor cells; and (ii) sorting a cell population from the cells obtained at step (i), by using at least one cell surface marker selected from the group consisting of CD9(?), CD55(?), CD106(+), CD140a(+), CD140b(+), CD165(+), CD271(+) and CD326(?).
    Type: Application
    Filed: September 9, 2016
    Publication date: September 27, 2018
    Applicants: Astellas Pharma Inc., KYOTO UNIVERSITY
    Inventors: Tatsuya KAWAMOTO, Yukiko YAMAGISHI, Kenji OSAFUNE
  • Publication number: 20160137985
    Abstract: The present invention provides: a method for producing renal progenitor cells from intermediate mesoderm cells, which comprises a step of culturing intermediate mesoderm cells in a medium containing a TGF? signaling activator(s) and a BMP inhibitor(s); the renal progenitor cells produced by the method; a pharmaceutical composition comprising the renal progenitor cells; and a therapeutic drug for kidney diseases comprising the renal progenitor cells.
    Type: Application
    Filed: June 11, 2014
    Publication date: May 19, 2016
    Applicants: KYOTO UNIVERSITY, ASTELLAS PHARMA INC.
    Inventors: Kenji Osafune, Takafumi TOYOHARA, Yukiko YAMAGISHI
  • Patent number: 8252895
    Abstract: The present invention relates to a new cyclic peptide compound or a salt thereof, which has anti-hepatitis C virus activities based on inhibitory activity against the RNA replication of hepatitis C virus replicon, to a process for preparation thereof comprising a rearrangement reaction under a mild acidic condition and the following amino acid changing reactions etc., to a pharmaceutical composition comprising the same, and to a method for prophylactic and/or therapeutic treatment of hepatitis C in a human being or an animal.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: August 28, 2012
    Assignee: Astellas Pharma Inc.
    Inventors: Masahiro Neya, Seiji Yoshimura, Kazunori Kamijyo, Takuya Makino, Minoru Yasuda, Toshio Yamanaka, Eisaku Tsujii, Yukiko Yamagishi
  • Patent number: 7872097
    Abstract: The present invention relates to a new cyclic peptide compound or a salt thereof, which has anti-hepatitis C virus activities based on inhibitory activity against the RNA replication of hepatitis C virus replicon, to a process for preparation thereof comprising a rearrangement reaction under a mild acidic condition and the following amino acid changing reactions etc., to a pharmaceutical composition comprising the same, and to a method for prophylactic and/or therapeutic treatment of hepatitis C in a human being or an animal.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: January 18, 2011
    Assignee: Astellas Pharma Inc.
    Inventors: Masahiro Neya, Seiji Yoshimura, Kazunori Kamijyo, Takuya Makino, Minoru Yasuda, Toshio Yamanaka, Eisaku Tsujii, Yukiko Yamagishi
  • Publication number: 20100286033
    Abstract: The present invention relates to a new cyclic peptide compound or a salt thereof, which has anti-hepatitis C virus activities based on inhibitory activity against the RNA replication of hepatitis C virus replicon, to a process for preparation thereof comprising a rearrangement reaction under a mild acidic condition and the following amino acid changing reactions etc., to a pharmaceutical composition comprising the same, and to a method for prophylactic and/or therapeutic treatment of hepatitis C in a human being or an animal.
    Type: Application
    Filed: July 21, 2010
    Publication date: November 11, 2010
    Inventors: Masahiro NEYA, Seiji Yoshimura, Kazunori Kamijyo, Takuya Makino, Minoru Yasuda, Toshio Yamanaka, Eisaku Tsujii, Yukiko Yamagishi
  • Publication number: 20090170755
    Abstract: The present invention relates to a new cyclic peptide compound or a salt thereof, which has anti-hepatitis C virus activities based on inhibitory activity against the RNA replication of hepatitis C virus replicon, to a process for preparation thereof comprising a rearrangement reaction under a mild acidic condition and the following amino acid changing reactions etc., to a pharmaceutical composition comprising the same, and to a method for prophylactic and/or therapeutic treatment of hepatitis C in a human being or an animal.
    Type: Application
    Filed: October 26, 2006
    Publication date: July 2, 2009
    Inventors: Masahiro Neya, Seiji Yoshimura, Kazunori Kamijyo, Takuya Makino, Minoru Yasuda, Toshio Yamanaka, Eisaku Tsujii, Yukiko Yamagishi