Patents by Inventor Kiyoshi Tachikawa

Kiyoshi Tachikawa 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).

  • Publication number: 20180327471
    Abstract: A range of therapeutic mRNA molecules expressible to provide a target polypeptide or protein. The RNA molecules can contain one or more 5-methoxyuridines and 5-methylcytidines. Further provided are DNA templates, which can be transcribed to provide a target mRNA, and can have altered nucleotides, such as reduced deoxyadenosines. This invention also provides processes for making the therapeutic mRNA molecules. The RNA molecules can be translated in vitro or in vivo to provide an active polypeptide or protein.
    Type: Application
    Filed: February 27, 2018
    Publication date: November 15, 2018
    Inventors: Pattraranee Limphong, Kiyoshi Tachikawa, Padmanabh Chivukula, Daiki Matsuda, Arisa Cale
  • Publication number: 20180148725
    Abstract: This invention encompasses compounds and compositions useful in methods for medical therapy, in general, for inhibiting expression of a TTR gene in a subject. The compounds have a first strand and a second strand, the monomers comprising UNA monomers and nucleic acid monomers, and the compounds are targeted to a sequence of a TTR gene.
    Type: Application
    Filed: January 20, 2018
    Publication date: May 31, 2018
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Patent number: 9982259
    Abstract: This invention provides UNA oligomers for selectively inhibiting V30M TTR expression, which can be used in treating amyloidosis. The UNA oligomers can have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers being UNA monomers and nucleic acid monomers. Embodiments include pharmaceutical compositions and methods for treating or preventing TTR-related amyloidosis by administering a UNA oligomer to a subject.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 29, 2018
    Assignee: Arcturus Therapeutics, Inc.
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Publication number: 20180135051
    Abstract: This invention provides pharmaceutical compositions containing a UNA oligomer targeted to TTR and a pharmaceutically acceptable carrier. The compositions can be used in methods for treating or preventing TTR-related amyloidosis in a primate. The compositions, upon administering a single dose to the primate, can reduce TTR protein in the primate for a period of days to weeks.
    Type: Application
    Filed: December 31, 2017
    Publication date: May 17, 2018
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Publication number: 20180105816
    Abstract: This invention provides UNA oligomers for regulating the expression of a target gene. The UNA oligomers contain UNA monomer linkers, and may contain one or more nucleotides modified with a 2?-O-methyl group, one or more nucleotides modified with a 2?-deoxy-2?-fluoro group, and one or more phosphorothioate or chiral phosphorothioate intermonomer linkages. UNA oligomers can be used as active agents for preventing or treating disease.
    Type: Application
    Filed: April 1, 2016
    Publication date: April 19, 2018
    Inventors: Padmanabh Chivukula, Kiyoshi Tachikawa, Joseph E. Payne
  • Publication number: 20180051262
    Abstract: This invention provides a range of translatable messenger UNA (mUNA) molecules. The mUNA molecules can be translated in vitro and in vivo to provide an active polypeptide or protein, or to provide an immunization agent or vaccine component. The mUNA molecules can be used as an active agent to express an active polypeptide or protein in cells or subjects. Among other things, the mUNA molecules are useful in methods for treating rare diseases.
    Type: Application
    Filed: November 7, 2017
    Publication date: February 22, 2018
    Inventors: Padmanabh Chivukula, Luigi Warren, Kiyoshi Tachikawa, Joseph E. Payne
  • Patent number: 9856475
    Abstract: This invention provides pharmaceutical compositions containing a UNA oligomer targeted to TTR and a pharmaceutically acceptable carrier. The compositions can be used in methods for treating or preventing TTR-related amyloidosis in a primate. The compositions, upon administering a single dose to the primate, can reduce TTR protein in the primate for a period of days to weeks.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: January 2, 2018
    Assignee: Arcturus Therapeutics, Inc.
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Publication number: 20170137821
    Abstract: This invention encompasses compounds and compositions useful in methods for medical therapy, in general, for inhibiting Hepatitis B virus in a subject. The compounds have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers comprising UNA monomers and nucleic acid monomers, and the compounds are targeted to a sequence of an HBV genome.
    Type: Application
    Filed: January 20, 2017
    Publication date: May 18, 2017
    Inventors: Pattraranee Limphong, Kiyoshi Tachikawa, Christine Esau, Padmanabh Chivukula
  • Publication number: 20170080107
    Abstract: This invention encompasses compounds, structures, compositions and methods for therapeutic guide molecules that direct CRISPR gene editing. A guide molecule for directing gene editing can be allele selective, or disease allele selective, and can exhibit reduced off target activity. A guide molecule can be composed of monomers, including UNA monomers, nucleic acid monomers, and modified nucleotides, wherein the compound is targeted to a genomic DNA. The guide molecules of this invention can be used as active ingredients for editing or disrupting a gene in vitro, ex vivo, or in vivo.
    Type: Application
    Filed: September 21, 2016
    Publication date: March 23, 2017
    Inventors: Padmanabh Chivukula, Rachel Wilkie-Grantham, Kiyoshi Tachikawa
  • Publication number: 20170016000
    Abstract: This invention encompasses compounds and compositions useful in methods for medical therapy, in general, for inhibiting Hepatitis B virus in a subject. The compounds have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers comprising UNA monomers and nucleic acid monomers, and the compounds are targeted to a sequence of an HBV genome.
    Type: Application
    Filed: July 17, 2016
    Publication date: January 19, 2017
    Inventors: Pattraranee Limphong, Kiyoshi Tachikawa, Christine Esau, Padmanabh Chivukula
  • Publication number: 20160130567
    Abstract: This invention provides a range of translatable messenger UNA (mUNA) molecules. The mUNA molecules can be translated in vitro and in vivo to provide an active polypeptide or protein, or to provide an immunization agent or vaccine component. The mUNA molecules can be used as an active agent to express an active polypeptide or protein in cells or subjects. Among other things, the mUNA molecules are useful in methods for treating rare diseases.
    Type: Application
    Filed: November 1, 2015
    Publication date: May 12, 2016
    Inventors: Padmanabh Chivukula, Luigi Warren, Kiyoshi Tachikawa, Joseph E. Payne
  • Publication number: 20150322435
    Abstract: This invention provides pharmaceutical compositions containing a UNA oligomer targeted to TTR and a pharmaceutically acceptable carrier. The compositions can be used in methods for treating or preventing TTR-related amyloidosis in a primate. The compositions, upon administering a single dose to the primate, can reduce TTR protein in the primate for a period of days to weeks.
    Type: Application
    Filed: July 23, 2015
    Publication date: November 12, 2015
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Publication number: 20150307881
    Abstract: This invention provides UNA oligomers for gene silencing with reduced off-target effects. The UNA oligomers can have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers being UNA monomers and various nucleic acid monomers. Embodiments include pharmaceutical compositions and methods for treating or preventing TTR-related amyloidosis with reduced off-target effects by administering a UNA oligomer to a subject.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 29, 2015
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Publication number: 20150307880
    Abstract: This invention provides UNA oligomers for selectively inhibiting V30M TTR expression, which can be used in treating amyloidosis. The UNA oligomers can have a first strand and a second strand, each of the strands being 19-29 monomers in length, the monomers being UNA monomers and nucleic acid monomers. Embodiments include pharmaceutical compositions and methods for treating or preventing TTR-related amyloidosis by administering a UNA oligomer to a subject.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 29, 2015
    Inventors: Kiyoshi Tachikawa, Joseph E. Payne, Padmanabh Chivukula
  • Patent number: 8552168
    Abstract: The invention provides nucleic acids and polypeptides for enhanced expression of nucleic acids and proteins. In one aspect, the sequences serve as transcription and translation enhancers or stabilizers, and can be incorporated in expression constructs at or near the translation control elements. The invention provides methods of producing mRNA (transcripts) and proteins. The invention provides methods of discovering new enhancer elements.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: October 8, 2013
    Assignee: The Regents of the University of California
    Inventors: Steven P. Briggs, Kiyoshi Tachikawa
  • Publication number: 20100316702
    Abstract: The invention provides compositions (e.g., pharmaceuticals, formulations) and methods for ameliorating (e.g., preventing or treating) an anemia and/or stimulating erythropoiesis and/or EPO erythropoietin synthesis. The invention provides compositions comprising a chimeric protein artificial transcription factor comprising a plurality of (multiple) protein DNA-binding domains, e.g., zinc finger binding domains, specific for the promoter region of an erythropoietin (EPO) gene; a consensus nuclear localization protein sequence; a cell-penetrating peptide sequence; and a transcription activation domain.
    Type: Application
    Filed: January 8, 2009
    Publication date: December 16, 2010
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Steven P. Briggs, Kiyoshi Tachikawa
  • Publication number: 20100306880
    Abstract: The invention provides nucleic acids and polypeptides for enhanced expression of nucleic acids and proteins. In one aspect, the sequences serve as transcription and translation enhancers or stabilizers, and can be incorporated in expression constructs at or near the translation control elements. The invention provides methods of producing mRNA (transcripts) and proteins. The invention provides methods of discovering new enhancer elements.
    Type: Application
    Filed: May 8, 2008
    Publication date: December 2, 2010
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Steven P. Briggs, Kiyoshi Tachikawa