Patents by Inventor Takefumi Gemba

Takefumi Gemba 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: 10322173
    Abstract: Problem To provide a chiral nucleic acid adjuvant and anti-allergic agent having anti-allergic effect. Solution An adjuvant which comprises oligonucleotides which comprise two to four CpG motifs each represented by 5?-X1CpGX2-3? and has a length of 14 to 32 nucleotides, wherein a nucleic acid at 3? end side of at least two CpG motifs is connected by phosphorothioate linkage, wherein each nucleic acids at 3? end and 5? end of the oligonucleotide is S type nucleic acids connected by phosphorothioate linkage, and wherein the oligonucleotide comprises at least one nucleic acid without phosphorothioate modification. The present invention relates to an adjuvant comprising the oligonucleotide represented by the sequence number 67. The present invention relates to an anti-allergic agent comprising these adjuvant.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: June 18, 2019
    Assignees: SHIN NIPPON BIOMEDICAL LABORATORIES, LTD., WAVE LIFE SCIENCES JAPAN, INC.
    Inventors: Takefumi Gemba, Ryoichi Nagata
  • Patent number: 10149905
    Abstract: Summary Problem The purpose of the present invention is to provide: a chiral nucleic acid adjuvant having anti-tumor activity; and an anti-tumor agent. Solution The present invention relates to an adjuvant for anti-tumor agent, wherein the adjuvant comprises oligonucleotides which comprise two to four CpG motif each represented by 5?-X1CpGX2-3? and has a length of 14 to 32 nucleotides, wherein a nucleic acid at 3? end side of at least two CpG motifs is connected by phosphorothioate linkage, wherein each nucleic acid at 3? end and 5? end of the oligonucleotide is S type nucleic acid connected by phosphorothioate linkage, and wherein the oligonucleotide comprises at least one nucleic acid without phosphorothioate modification. The present invention relates to an anti-tumor agent containing its adjuvant.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: December 11, 2018
    Assignees: SHIN NIPPON BIOMEDICAL LABORATORIES, LTD., WAVE LIFE SCIENCES JAPAN, INC.
    Inventors: Takefumi Gemba, Ryoichi Nagata, Yusuke Torikai
  • Patent number: 10144933
    Abstract: Problem The purpose of the present invention is to provide: a chiral nucleic acid adjuvant having immunity-inducing activity and an immunity-inducing activator. Solution The present invention relates to an adjuvant which comprises oligonucleotides which comprise two to four sequences each represented by 5?-X1CpG X2-3? and has a length of 14 to 32 nucleotides, wherein a nucleic acid at 3? end side of at least two CpG motifs is connected by phosphorothioate linkage, wherein each nucleic acids at 3? end and 5? end of the oligonucleotide is S type nucleic acids connected by phosphorothioate linkage, and wherein the oligonucleotide comprises at least one nucleic acid without phosphorothioate modification. The present invention relates to an immunity-inducible activator comprising the adjuvant.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: December 4, 2018
    Assignees: SHIN NIPPON BIOMEDICAL LABORATORIES, LTD., WAVE LIFE SCIENCES JAPAN, INC.
    Inventors: Takefumi Gemba, Ryoichi Nagata, Ikumi Shiga
  • Patent number: 9695219
    Abstract: A novel polypeptide which has an excellent angiogenesis-inducing activity and an excellent antibacterial activity, and a novel angiogenesis-inducing agent which contains the polypeptide as an effective ingredient or a novel agent for treating a wound(s) which contains the polypeptide as an effective ingredient are disclosed. The polypeptide of the present invention is a polypeptide whose amino acid sequence is shown in any one of SEQ ID NOs:1 to 6, 8 and 10. The angiogenesis-inducing agent which contains the polypeptide of the present invention as an effective ingredient is useful for the prevention, amelioration or treatment of a disease such as a burns, decubitus, wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease and arteriosclerosis obliteran.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: July 4, 2017
    Assignee: FunPep Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Nao Tamura, Ryoko Sata, Akito Maeda, Akiko Tenma, Toshihide Kanamori, Yoshimi Saito, Shintaro Komaba, Ryuichi Morishita
  • Patent number: 9617547
    Abstract: Problem The purpose of the present invention is to provide: a stereo isomer of a novel CpG oligonucleotide, which has excellent stability; and a CpG oligonucleotide which has a capability of producing interferon-? (IFN?). Solution The present invention relates to an oligonucleotide which contains two to four sequences each represented by the formula 5?-X1X2CpGX3X4-3? (formula (I)) and has a length of 14 to 32 nucleotides. In formula (I), CpG represents a non-methylated CpG residue having a phosphate skeleton modification, X1X2 represents any one of AA, AT, GA and GT, and X3X4 represents any one of TT, AT, AC and CG. The oligonucleotide has at least one phosphate skeleton modification at an S-form stereoisomer located at a site other than the CpG.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: April 11, 2017
    Assignees: Shin Nippon Biomedical Laboratories, Ltd., WAVE LIFE SCIENCES JAPAN
    Inventor: Takefumi Gemba
  • Publication number: 20160333349
    Abstract: Problem The purpose of the present invention is to provide: a chiral nucleic acid adjuvant having immunity-inducing activity and an immunity-inducing activator. Solution The present invention relates to an adjuvant which comprises oligonucleotides which comprise two to four sequences each represented by 5?-X1CpG X2-3? and has a length of 14 to 32 nucleotides, wherein a nucleic acid at 3? end side of at least two CpG motifs is connected by phosphorothioate linkage, wherein each nucleic acids at 3? end and 5? end of the oligonucleotide is S type nucleic acids connected by phosphorothioate linkage, and wherein the oligonucleotide comprises at least one nucleic acid without phosphorothioate modification. The present invention relates to an immunity-inducible activator comprising the adjuvant.
    Type: Application
    Filed: January 14, 2015
    Publication date: November 17, 2016
    Inventors: Takefumi GEMBA, Ryoichi NAGATA, IKUMI Shiga
  • Publication number: 20160331835
    Abstract: An adjuvant which comprises oligonucleotides which comprise two to four CpG motifs each represented by 5?-X1CpGX2-3? and has a length of 14 to 32 nucleotides, wherein a nucleic acid at 3? end side of at least two CpG motifs is connected by phosphorothioate linkage, wherein each nucleic acids at 3? end and 5? end of the oligonucleotide is S type nucleic acids connected by phosphorothioate linkage, and wherein the oligonucleotide comprises at least one nucleic acid without phosphorothioate modification. The present invention relates to an adjuvant comprising the oligonucleotide represented by the sequence number 67. The present invention relates to an anti-allergic agent comprising these adjuvant.
    Type: Application
    Filed: January 14, 2015
    Publication date: November 17, 2016
    Inventors: Takefumi Gemba, Ryoichi Nagata
  • Publication number: 20160331836
    Abstract: Summary Problem The purpose of the present invention is to provide: a chiral nucleic acid adjuvant having anti-tumor activity; and an anti-tumor agent. Solution The present invention relates to an adjuvant for anti-tumor agent, wherein the adjuvant comprises oligonucleotides which comprise two to four CpG motif each represented by 5?-X1CpGX2-3? and has a length of 14 to 32 nucleotides, wherein a nucleic acid at 3? end side of at least two CpG motifs is connected by phosphorothioate linkage, wherein each nucleic acid at 3? end and 5? end of the oligonucleotide is S type nucleic acid connected by phosphorothioate linkage, and wherein the oligonucleotide comprises at least one nucleic acid without phosphorothioate modification. The present invention relates to an anti-tumor agent containing its adjuvant.
    Type: Application
    Filed: January 14, 2015
    Publication date: November 17, 2016
    Inventors: Takefumi Gemba, Ryoichi Nagata, Yusuke Ukai
  • Patent number: 9376470
    Abstract: Novel polypeptides which have an excellent angiogenesis-inducing activity and an excellent antibacterial activity and medical uses thereof are disclosed. The amino acid sequences of the novel polypeptides are shown in any one of SEQ ID NOs:1 to 6. These polypeptides have angiogenesis-inducing and antibacterial activities. Such polypeptides are useful for the prevention, amelioration or treatment of skin wounds caused by a cut wound, surgical wound, erosion, burn, decubitus, intractable wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease or arteriosclerosis obliteran, and for the prevention, amelioration or treatment of bacterial infection in such skin wounds, and the like.
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: June 28, 2016
    Assignee: FunPep Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Ryoko Sata, Nao Tamura, Akito Maeda, Toshihide Kanamori, Yoshimi Saito, Shintaro Komaba, Ryuichi Morishita
  • Publication number: 20150166999
    Abstract: Problem The purpose of the present invention is to provide: a stereo isomer of a novel CpG oligonucleotide, which has excellent stability; and a CpG oligonucleotide which has a capability of producing interferon-? (IFN?). Solution The present invention relates to an oligonucleotide which contains two to four sequences each represented by the formula 5?-X1X2CpGX3X4-3? (formula (I)) and has a length of 14 to 32 nucleotides. In formula (I), CpG represents a non-methylated CpG residue having a phosphate skeleton modification, X1X2 represents any one of AA, AT, GA and GT, and X3X4 represents any one of TT, AT, AC and CG. The oligonucleotide has at least one phosphate skeleton modification at an S-form stereoisomer located at a site other than the CpG.
    Type: Application
    Filed: July 12, 2013
    Publication date: June 18, 2015
    Applicant: Shin Nippon Biomedical Laboratories, Ltd.
    Inventor: Takefumi Gemba
  • Publication number: 20150133365
    Abstract: A novel polypeptide which has an excellent angiogenesis-inducing activity and an excellent antibacterial activity, and a novel angiogenesis-inducing agent which contains the polypeptide as an effective ingredient or a novel agent for treating a wound(s) which contains the polypeptide as an effective ingredient are disclosed. The polypeptide of the present invention is a polypeptide whose amino acid sequence is shown in any one of SEQ ID NOs:1 to 6, 8 and 10. The angiogenesis-inducing agent which contains the polypeptide of the present invention as an effective ingredient is useful for the prevention, amelioration or treatment of a disease such as a burns, decubitus, wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease and arteriosclerosis obliteran.
    Type: Application
    Filed: January 23, 2015
    Publication date: May 14, 2015
    Applicant: ANGES MG, INC.
    Inventors: Takefumi Gemba, Hideki Tomioka, Nao Tamura, Ryoko Sata, Akito Maeda, Akiko Tenma, Toshihide Kanamori, Yoshimi Saito, Shintaro Komaba, Ryuichi Morishita
  • Patent number: 8969311
    Abstract: A novel polypeptide which has an excellent angiogenesis-inducing activity and an excellent antibacterial activity, and a novel angiogenesis-inducing agent which contains the polypeptide as an effective ingredient or a novel agent for treating a wound(s) which contains the polypeptide as an effective ingredient are disclosed. The polypeptide of the present invention is a polypeptide whose amino acid sequence is shown in any one of SEQ ID NOs:1 to 6, 8 and 10. The angiogenesis-inducing agent which contains the polypeptide of the present invention as an effective ingredient is useful for the prevention, amelioration or treatment of a disease such as a burns, decubitus, wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease and arteriosclerosis obliteran.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: March 3, 2015
    Assignee: AnGes MG, Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Nao Tamura, Ryoko Sata, Akito Maeda, Akiko Tenma, Toshihide Kanamori, Yoshimi Saito, Shintaro Komaba, Ryuichi Morishita
  • Patent number: 8470765
    Abstract: A novel polypeptide, and an antibacterial agent, antifungal agent and/or antiseptic containing as an effective ingredient the polypeptide are disclosed. The polypeptide of this invention has an amino acid sequence shown in SEQ ID NOs:1 to 12 and 13 to 31. This antibacterial agent, antifungal agent and/or antiseptic is useful for the prevention, amelioration or treatment of diseases such as burn, decubitus, wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease and arteriosclerosis obliterans, cellulitis, acute lymphangitis, lymphadenitis, erysipelas, skin abscess, necrotizing subcutaneous infection, staphylococcal scalded skin syndrome (SSSS), folliculitis, facial furuncle, suppurative hidradenitis, carbuncle, infectious paronychia, erythrasma and severe infection (sepsis).
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: June 25, 2013
    Assignee: AnGes MG, Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Nao Tamura, Akiko Tenma
  • Publication number: 20120172287
    Abstract: A novel polypeptide which has an excellent angiogenesis-inducing activity and an excellent antibacterial activity, and a novel angiogenesis-inducing agent which contains the polypeptide as an effective ingredient or a novel agent for treating a wound(s) which contains the polypeptide as an effective ingredient are disclosed. The polypeptide of the present invention is a polypeptide whose amino acid sequence is shown in any one of SEQ ID NOs:1 to 6, 8 and 10. The angiogenesis-inducing agent which contains the polypeptide of the present invention as an effective ingredient is useful for the prevention, amelioration or treatment of a disease such as a burns, decubitus, wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease and arteriosclerosis obliteran.
    Type: Application
    Filed: May 25, 2010
    Publication date: July 5, 2012
    Applicant: ANGES MG, Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Nao Tamura, Ryoko Sata, Akito Maeda, Akiko Tenma, Toshihide Kanamori, Yoshimi Saito, Shintaro Komaba, Ryuichi Morishita
  • Publication number: 20120122766
    Abstract: Novel polypeptides which have an excellent angiogenesis-inducing activity and an excellent antibacterial activity and medical uses thereof are disclosed. The amino acid sequences of the novel polypeptides are shown in any one of SEQ ID NOs:1 to 6. These polypeptides have angiogenesis-inducing and antibacterial activities. Such polypeptides are useful for the prevention, amelioration or treatment of skin wounds caused by a cut wound, surgical wound, erosion, burn, decubitus, intractable wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease or arteriosclerosis obliteran, and for the prevention, amelioration or treatment of bacterial infection in such skin wounds, and the like.
    Type: Application
    Filed: November 27, 2009
    Publication date: May 17, 2012
    Applicant: ANGES MG, Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Ryoko Sata, Nao Tamura, Akito Maeda, Toshihide Kanamori, Yoshimi Saito, Shintaro Komaba, Ryuichi Morishita
  • Publication number: 20120052104
    Abstract: A novel polypeptide, and an antibacterial agent, antifungal agent and/or antiseptic containing as an effective ingredient the polypeptide are disclosed. The polypeptide of this invention has an amino acid sequence shown in SEQ ID NOs:1 to 12 and 13 to 31. This antibacterial agent, antifungal agent and/or antiseptic is useful for the prevention, amelioration or treatment of diseases such as burn, decubitus, wound, skin ulcer, leg ulcer, diabetic ulcer, occlusive arterial disease and arteriosclerosis obliterans, cellulitis, acute lymphangitis, lymphadenitis, erysipelas, skin abscess, necrotizing subcutaneous infection, staphylococcal scalded skin syndrome (SSSS), folliculitis, facial furuncle, suppurative hidradenitis, carbuncle, infectious paronychia, erythrasma and severe infection (sepsis).
    Type: Application
    Filed: March 5, 2010
    Publication date: March 1, 2012
    Applicant: ANGES MG, Inc.
    Inventors: Takefumi Gemba, Hideki Tomioka, Nao Tamura, Akiko Tenma
  • Patent number: 7585848
    Abstract: Described herein are methods and compositions for inhibiting, treating and reversing intervertebral disc disorders using transcription factor inhibitors. In certain embodiments, the transcription factor inhibitor targets the transcription factor NF-?B. Also described are methods and compositions where intervertebral disc disorder is reversed using a decoy oligodeoxy-nucleotide that blocks NF-?B.
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: September 8, 2009
    Assignees: Rush University Medical Center, Anges MG, Inc.
    Inventors: Koichi Masuda, Takefumi Gemba
  • Publication number: 20090215868
    Abstract: The present invention provides a prophylactic, therapeutic or ameliorative medicament for chronic obstructive pulmonary disease (COPD), cystic fibrosis or pulmonary hypertension. More specifically, the present invention provides: (1) a prophylactic, therapeutic or ameliorative medicament for chronic obstructive pulmonary disorder (COPD), cystic fibrosis or pulmonary hypertension, having an NF-?B decoy as the active ingredient thereof; (2) the NF-?B decoy is an oligonucleotide containing the binding sequence GGGRHTYYC (where R represents either A or G; Y represents either C or T; and H represents either A, C or T); (3) an oligonucleotide wherein the NF-?B binding sequence is GGGATTTCCC or GGGACTTTCC; (4) an oligonucleotide wherein the NF-?B decoy is represented by SEQ ID NO:3; (5) the NF-?B decoy is a double-stranded oligonucleotide; (6) the NF-?B decoy is administered in the form of a fine powder; and (7) the NF-?B decoy fine powder is a dry powder.
    Type: Application
    Filed: January 12, 2006
    Publication date: August 27, 2009
    Applicant: ANGES MG, INC.
    Inventors: Kunimiki Otsu, Tetsu Saito, Takefumi Gemba
  • Publication number: 20090143319
    Abstract: Double-stranded oligonucleotides useful as decoy oligonucleotides having a high binding ability to a transcription factor and having a reduced cytotoxicity are disclosed. Each of the double-stranded oligonucleotides is formed by hybridization of a sense strand oligonucleotide of the following Formula A: 5?-N(m)-G-Consensus Sequence-C—N(n)-3???(Formula A) (wherein N(m) is a flanking sequence at the 5?-end, and represents that “N” (s) in the number of m is(are) ligated; N(n) is a flanking sequence at the 3?-end, and represents that “N” (s) in the number of m is(are) ligated; all “N” (s) each independently represent(s) nucleotide A, G, T, C or U; m and n represent each independently an integer of 0 to 20; and Consensus Sequence represents a consensus sequence to which a transcription factor binds) and an antisense strand oligonucleotide complementary to said sense strand oligonucleotide.
    Type: Application
    Filed: June 6, 2006
    Publication date: June 4, 2009
    Applicant: AnGesMG, Inc.
    Inventors: Takefumi Gemba, Nobuhiro Ueno
  • Publication number: 20050227994
    Abstract: It is provided that a pharmaceutical composition inhibiting cartilage extracellular matrix degradation containing a compound of the formula (I): wherein R1 is hydroxy and the like; R2 is optionally substituted lower alkyl and the like; R3 is hydrogen atom and the like; R4 is optionally substituted arylene and the like; R5 is a bond, or —C?C— and the like; R6 is optionally substituted aryl and the like, its optically active substance, its prodrug, their pharmaceutically acceptable salt, or solvate thereof.
    Type: Application
    Filed: March 26, 2003
    Publication date: October 13, 2005
    Inventors: Takefumi Gemba, Hiroyuki Okamoto, Fumihiko Watanabe