Patents Assigned to Oncotherapy Science, Inc.
  • Patent number: 8541546
    Abstract: The present invention provides peptides containing the amino acid sequence of SEQ ID NOs: 1, 2, 3, 4, 16, 17, 30, 31, 34, 36, 37, 40, 41, 45, 49, 55, 57 and 61, as well as peptides containing the above-mentioned amino acid sequences in which 1, 2, or several amino acid(s) are substituted, deleted, inserted or added, but still have cytotoxic T cell inducibility. The present invention also provides drugs for treating or preventing tumors, which drugs containing these peptides. The peptides of the present invention can also be used as vaccines.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: September 24, 2013
    Assignee: OncoTherapy Science, Inc.
    Inventors: Takuya Tsunoda, Ryuji Ohsawa, Sachiko Yoshimura, Tomohisa Watanabe
  • Patent number: 8535942
    Abstract: It is an object of the present invention to identify a glypican-3-derived peptide which can bind to HLA-A2 and activate human killer T cells, so as to provide a means for carrying out an immunotherapy which is able to target approximately 40% of Japanese patients suffering from several types of cancers, which express GPC3 at a high level. The present invention provides a peptide of any of the following (A) or (B): (A) a peptide, which has the amino acid sequence as shown in any one of SEQ ID NOS: 1 to 3; or (B) a peptide, which has an amino acid sequence comprising a substitution or addition of one or two amino acids with respect to the amino acid sequence as shown in any one of SEQ ID NOS: 1 to 3, and which has ability to induce killer T cells.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 17, 2013
    Assignee: Oncotherapy Science, Inc.
    Inventors: Yasuharu Nishimura, Tetsuya Nakatsura, Hiroyuki Komori
  • Patent number: 8530430
    Abstract: Peptide vaccines against cancer are described herein. In particular, epitope peptides derived from the TTK gene that elicit CTLs are provided. Antigen-presenting cells and isolated CTLs that target such peptides, as well as methods for inducing the antigen-presenting cell, or CTL are also provided. The present invention further provides pharmaceutical compositions containing as active ingredients peptides derived from TTK or polynucleotides encoding the peptides. Furthermore, the present invention provides methods for the treatment and/or prophylaxis (i.e., prevention) of cancers (tumors), and/or the prevention of postoperative recurrence thereof, as well as methods for inducing CTLs, methods for inducing anti-tumor immunity, using the peptides derived from TTK, polynucleotides encoding the peptides, or antigen-presenting cells presenting the peptides, or the pharmaceutical compositions of the present invention.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: September 10, 2013
    Assignee: Oncotherapy Science, Inc.
    Inventors: Yusuke Nakamura, Takuya Tsunoda, Ryuji Ohsawa, Sachiko Yoshimura, Tomohisa Watanabe
  • Patent number: 8512944
    Abstract: Objective methods for diagnosing a predisposition to developing cancer, particularly bladder cancer, gastric cancer, colorectal cancer, breast cancer, esophageal cancer, lung cancer, lymphoma, pancreatic cancer and testicular cancer, are described herein. In one embodiment, the diagnostic method involves determining an expression level of PRMT1 gene. The present invention further provides methods of screening for therapeutic agents useful in the treatment of PRMT1 associated disease, such as a cancer, e.g. bladder cancer, gastric cancer, colorectal cancer, breast cancer, esophageal cancer, lung cancer, lymphoma, pancreatic cancer and testicular cancer. The present invention further provides methods of inhibiting the cell growth and treating or alleviating symptoms of PRMT1 associated diseases. The present invention also features products, including double-stranded molecules and vectors encoding thereof as well as to compositions comprising them.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: August 20, 2013
    Assignee: OncoTherapy Science, Inc.
    Inventors: Yusuke Nakamura, Ryuji Hamamoto, Akira Togashi
  • Publication number: 20130203625
    Abstract: The present invention relates to the roles played by the SUV420H1 and SUV420H2 genes in carcinogenesis and features a method for treating or preventing cancer by administering a double-stranded molecule against the SUV420H1 or SUV420H2 gene or a composition or vector containing such a double-stranded molecule. The present invention also features methods and kits for detecting or diagnosing cancer in a subject, including detecting an expression level of the SUV420H1 or SUV420H2 gene. The present invention further features methods and kits for assessing or determining the prognosis of a subject with cancer, including detecting the expression level of an SUV420H2 gene. Also, disclosed are methods of screening for candidate substances for treating or preventing cancer or inhibiting cancer cell growth, using as an index their effect on the expression or activity of SUV420H1 or SUV420H2.
    Type: Application
    Filed: August 18, 2011
    Publication date: August 8, 2013
    Applicant: OncoTherapy Science, Inc.
    Inventors: Ryuji Hamamoto, Yusuke Nakamura, Takuya Tsunoda
  • Publication number: 20130189291
    Abstract: The present invention provides peptides having an amino acid sequence as set forth in SEQ ID NO: 19, 22, 30, 34, 344, 358, 41, 44, 46, 48, 78, 376, 379, 80, 100, 101, 110, 111, 387, 112, 394, 114, 116, 117, 121, 395, 133, 135, 137, 426, 143, 147, 148, 149, 150, 152, 153, 154, 156, 160, 161, 162, 163, 166, 174, 178, 186, 194, 196, 202, 210, 213, 214, 217, 223, 227, 228, 233, 254, 271, 272 or 288, as well as peptides having the above-mentioned amino acid sequences in which 1, 2, or several (e.g., up to 5) amino acids are substituted, deleted, or added, provided the peptides possess cytotoxic T cell inducibility. The present invention also provides drugs for treating or preventing a disease associated with over-expression of the CDH3, EPHA4, ECT2, HIG2, INHBB, KIF20A, KNTC2, TTK and/or URLC10, e.g. cancers containing as an active ingredient one or more of these peptides. The peptides of the present invention find further utility as vaccines.
    Type: Application
    Filed: January 17, 2013
    Publication date: July 25, 2013
    Applicant: Oncotherapy Science, Inc.
    Inventor: Oncotherapy Science, Inc.
  • Publication number: 20130178459
    Abstract: Tricyclic compounds are provided. These compounds are PBK inhibitors, and are useful for the treatment of PBK related diseases, including cancer.
    Type: Application
    Filed: March 29, 2011
    Publication date: July 11, 2013
    Applicant: Oncotherapy Science, Inc.
    Inventors: Yusuke Nakamura, Yo Matsuo, Shoji Hisada, Feryan Ahmed, Raymond Huntley, Zohreh Sajjadi-Hashemi, David M. Jenkins, Robert B. Kargbo, Wenge Cui, Polivina Jolicia F. Gauuan, Joel R. Walker, Helene Decornez, Mahender Gurram
  • Patent number: 8455444
    Abstract: The present invention provides a peptide of the following (A) or (B): (A) a peptide including an amino acid sequence of SEQ ID NO: 1 or 2; (B) a peptide including an amino acid sequence of SEQ ID NO 1 or 2, wherein one, two, or several amino acid(s) are substituted, deleted, inserted, and/or added, and wherein the peptide has an activity to induce killer T cells.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 4, 2013
    Assignee: Oncotherapy Science, Inc.
    Inventors: Yasuharu Nishimura, Katsunori Imai, Takuya Tsunoda, Yusuke Nakamura
  • Publication number: 20130137748
    Abstract: Objective methods for diagnosing a predisposition to developing cancer, for example, bladder cancer, breast cancer, cholangiocellular carcinoma, CML, esophageal cancer, HCC, NSCLC, SCLC, osteosarcoma, pancreatic cancer, prostate cancer, renal cell carcinoma, soft tissue tumor and lymphoma, are described herein. In one embodiment, the diagnostic method involves determining an expression level of a WHSC1 or WHSC1L1 gene. The present invention further provides methods of screening for therapeutic agents useful in the treatment of WHSC1 or WHSC1L1 associated disease, such as a cancer, e.g., bladder cancer, breast cancer, cholangiocellular carcinoma, CML, esophageal cancer, HCC, NSCLC, SCLC, osteosarcoma, pancreatic cancer, prostate cancer, renal cell carcinoma, soft tissue tumor and lymphoma. The present invention further provides methods of inhibiting the cell growth and treating or alleviating symptoms of WHSC1 or WHSC1L1 associated diseases.
    Type: Application
    Filed: February 2, 2011
    Publication date: May 30, 2013
    Applicant: OncoTherapy Science, Inc.
    Inventors: Ryuji Hamamoto, Yusuke Nakamura, Takuya Tsunoda
  • Publication number: 20130129759
    Abstract: The present invention provides peptides having an amino acid sequence as set forth in SEQ ID NO: 7, 8, 9, 10, 11, 12, 192, 195, 197, 209, 225, 226, 228, 230, 240, 241, 243, 244, 249, 253, 254 or 255, as well as peptides having the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted, deleted, or added, wherein the peptides possess cytotoxic T cell inducibility. The present invention also provides drugs for treating or preventing a disease associated with the over-expression of MPHOSPH1 and/or DEPDC1, e.g. cancers, containing these peptides as an active ingredient. The peptides of the present invention can also be used as vaccines.
    Type: Application
    Filed: June 27, 2012
    Publication date: May 23, 2013
    Applicant: Oncotherapy Science, Inc.
    Inventors: Tomoaki Fujioka, Yusuke Nakamura, Takuya Tsunoda, Ryuji Osawa, Midori Shida
  • Patent number: 8435749
    Abstract: The present invention relates to anti-CDH3 antibodies, which can be labeled with a radioisotope. Moreover, the present invention provides methods and pharmaceutical compositions that comprise an anti-CDH3 antibody as an active ingredient. Since CDH3 is strongly expressed in pancreatic, lung, colon, prostate, breast, gastric or liver cancer cells, the present invention is useful in pancreatic, lung, colon, prostate, breast, gastric or liver cancer therapies.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: May 7, 2013
    Assignee: Oncotherapy Science, Inc.
    Inventors: Akira Togashi, Masakazu Katsu, Megumi Takayanagi, Hiroki Yoshioka, Pohsing Ng, Yasuhiro Shiba, Yusuke Nakamura, Keigo Endo
  • Publication number: 20130108664
    Abstract: Isolated peptides derived from SEQ ID NO: 21 and fragments thereof that bind to an HLA antigen and induce cytotoxic T lymphocytes (CTL) and thus are suitable for use in the context of cancer immunotherapy, more particularly cancer vaccines, are described herein. The inventive peptides encompass both the above mentioned amino acid sequences and modified versions thereof, in which one, two, or several amino acids are substituted, deleted, inserted or added, provided such modified versions retain the requisite HLA binding and/or CTL inducibility of the original sequences. Further provided are nucleic acids encoding any of the aforementioned peptides as well as pharmaceutical agents, substances and/or compositions that include or incorporate any of the aforementioned peptides or nucleic acids.
    Type: Application
    Filed: April 7, 2011
    Publication date: May 2, 2013
    Applicant: OncoTherapy Science, Inc.
    Inventors: Yusuke Nakamura, Takuya Tsunoda, Ryuji Ohsawa, Sachiko Yoshimura, Tomohisa Watanabe
  • Publication number: 20130095128
    Abstract: Isolated peptides derived from SEQ ID NO: 42 and fragments thereof that bind to an HLA antigen and induce cytotoxic T lymphocytes (CTL) and thus are suitable for use in the context of cancer immunotherapy, more particularly cancer vaccines, are described herein. The inventive peptides encompass both the afore-mentioned amino acid sequences and modified versions thereof, in which one, two, or several amino acids are substituted, deleted, inserted or added, provided such modified versions retain the requisite HLA binding and/or CTL inducibility of the original sequences. Further provided are nucleic acids encoding any of the aforementioned peptides as well as pharmaceutical agents, substances and/or compositions that include or incorporate any of the aforementioned peptides or nucleic acids.
    Type: Application
    Filed: March 30, 2011
    Publication date: April 18, 2013
    Applicant: ONCOTHERAPY SCIENCE INC
    Inventors: Yusuke Nakamura, Takuya Tsunoda, Ryuji Ohsawa, Sachiko Yoshimura, Tomohisa Watanabe
  • Patent number: 8420329
    Abstract: The present invention provides methods for detecting and/or diagnosing cancer through the determination of the expression level of the STC2 gene. The gene was discovered to discriminate cancer cells from normal cells. Furthermore, the present invention provides methods of screening for therapeutic agents useful in the treatment of cancer, methods for treating cancer. Moreover, the present invention provides double-stranded molecules targeting the STC2 gene, which are suggested to be useful in the treatment of cancer. The compositions and methods of the present invention find particular applicability to prostate cancer, more specifically, castration-resistant prostate cancer and aggressive prostate cancer.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: April 16, 2013
    Assignee: OncoTherapy Science, Inc.
    Inventors: Yusuke Nakamura, Hidewaki Nakagawa, Takuya Tsunoda
  • Publication number: 20130084578
    Abstract: Objective methods for detecting and diagnosing breast cancer (BRC) are described herein. Also described are methods of treating and preventing breast cancer and breast cancer metastasis as well as methods of assessing the prognosis of a breast cancer subject and the efficacy of a breast cancer therapy. In one embodiment, the diagnostic method involves determining the expression level of ZNFN3A1, a gene whose expression is markedly elevated in breast cancers, that therefore can be used to discriminate between BRC cells and normal cells. The present invention further provides methods of screening for therapeutic agents useful in the treatment of BRC, methods of treating BRC and method for vaccinating a subject against BRC.
    Type: Application
    Filed: March 30, 2011
    Publication date: April 4, 2013
    Applicant: Oncotherapy Science, Inc.
    Inventors: Yusuke Nakamura, Yoichi Furukawa, Shuichi Nakatsuru
  • Patent number: 8383590
    Abstract: The present invention provides peptides having an amino acid sequence as set forth in SEQ ID NO: 19, 22, 30, 34, 344, 358, 41, 44, 46, 48, 78, 376, 379, 80, 100, 101, 110, 111, 387, 112, 394, 114, 116, 117, 121, 395, 133, 135, 137, 426, 143, 147, 148, 149, 150, 152, 153, 154, 156, 160, 161, 162, 163, 166, 174, 178, 186, 194, 196, 202, 210, 213, 214, 217, 223, 227, 228, 233, 254, 271, 272 or 288, as well as peptides having the above-mentioned amino acid sequences in which 1, 2, or several (e.g., up to 5) amino acids are substituted, deleted, or added, provided the peptides possess cytotoxic T cell inducibility. The present invention also provides drugs for treating or preventing a disease associated with over-expression of the CDH3, EPHA4, ECT2, HIG2, INHBB, KIF20A, KNTC2, TTK and/or URLC10, e.g. cancers containing as an active ingredient one or more of these peptides. The peptides of the present invention find further utility as vaccines.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: February 26, 2013
    Assignee: Oncotherapy Science, Inc.
    Inventors: Takuya Tsunoda, Ryuji Ohsawa, Sachiko Yoshimura
  • Publication number: 20130034574
    Abstract: Isolated peptides composed of the amino acid sequence of the modified MELK epitope peptide or immunologically active fragments thereof that bind to HLA antigens and have higher cytotoxic T lymphocyte (CTL) inducibility than that of the wild type MELK epitope peptide and thus are suitable for use in the context of cancer immunotherapy or endometriosis immunotherapy, more particularly cancer or endometriosis vaccines are described herein. The present invention further provides peptides that include one, two, or several amino acid insertions, substitutions or additions to the aforementioned peptides or fragments, but yet retain the requisite cytotoxic T cell inducibility. Further provided are nucleic acids encoding any of these aforementioned peptides as well as pharmaceutical substances and compositions including any of the aforementioned peptides or nucleic acids.
    Type: Application
    Filed: January 24, 2011
    Publication date: February 7, 2013
    Applicant: OncoTherapy Science, Inc.
    Inventors: Yusuke Nakamura, Takuya Tsunoda, Ryuji Ohsawa, Sachiko Yoshimura, Tomohisa Watanabe
  • Patent number: 8367799
    Abstract: According to the present invention, peptides comprising the amino acid sequence of SEQ ID NO: 3, 4, 9, 23, 25, 30, 60, 63 or 68 were demonstrated to have cytotoxic T lymphocyte (CTL) inducibility. Therefore, the present invention provides a peptide having the amino acid sequence selected from the group of SEQ ID NOs: 3, 4, 9, 23, 25, 30, 60, 63 and 68. The peptide can include one, two, or several amino acid substitutions or addition so long as its CTL inducibility is retained. Furthermore, the present invention provides pharmaceutical agents for treating and/or prophylaxis of tumors, and/or prevention of postoperative recurrence thereof, which comprises any of these peptides. The pharmaceutical agents of this invention include vaccines.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: February 5, 2013
    Assignee: OncoTherapy Science, Inc.
    Inventors: Takuya Tsunoda, Ryuji Osawa
  • Publication number: 20130028923
    Abstract: The present invention provides nonapeptides selected from peptides comprising the amino acid sequence of SEQ ID NO:2, 3, 5, 8, 11, or 12; nonapeptides or decapeptides selected from peptides comprising the amino acid sequence of SEQ ID NO:29, 30, 33, 34, 40, or 46; and peptides with cytotoxic T cell inducibility, in which one, two, or several amino acids are substituted or added to the above-mentioned amino acid sequences, as well as pharmaceuticals for treating or preventing tumors, where the pharmaceuticals comprise these peptides. The peptides of this invention can be used as vaccines.
    Type: Application
    Filed: June 12, 2012
    Publication date: January 31, 2013
    Applicant: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Satoshi Wada, Takuya Tsunoda
  • Patent number: 8354223
    Abstract: The present invention relates to methods for determining the methyltransferase activity of a polypeptide and screening for modulators of methyltransferase activity, more particularly for modulators of the methylation of VEGFR1 by SMYD3. The invention further provides methods and pharmaceutical compositions for treating and preventing colorectal cancer, hepatocellular carcinoma, bladder cancer and/or breast cancer using a modulator so identified.
    Type: Grant
    Filed: June 13, 2008
    Date of Patent: January 15, 2013
    Assignee: Oncotherapy Science, Inc.
    Inventors: Yusuke Nakamura, Yoichi Furukawa, Ryuji Hamamoto, Shuichi Nakatsuru