Oncotherapy Science, Incorporated

Tokushima University

Takuya Tsunoda

Yusuke Nakamura

Sachiko Yoshimura

Tomohisa Watanabe

Ryuji Ohsawa

Ryuji Osawa

Hideaki Tahara

Yasuharu Nishimura

Yoichi Furukawa

Shuichi Nakatsuru

Satoshi Wada

Midori Shida

Tomoaki Fujioka

Gaku Nakayama

Sachiko Yamashita

Tetsuro Hikichi

Katsunori Imai

Kazunori Yokomine

Masabumi Shibuya

Yataro Daigo

Satoshi Matsushima

Toyomasa Katagiri

Ryuji Hamamoto

Yusuke Tomita

Hidewaki Nakagawa

Motokazu Tsujikawa

Michiko Harao

Hideaki c/o The University Of Tokyo Tahara

The present invention provides KOC1-derived epitope peptides having the ability to induce cytotoxic T cells. The present invention further provides polynucleotides encoding the peptides, antigen-presenting cells presenting the peptides, and cytotoxic T cells targeting the peptides, as well as methods of inducing the antigen-presenting cells or CTLs. The present invention also provides compositions and pharmaceutical compositions containing them as an active ingredient. Further, the present invention provides methods of treating and/or preventing cancer, and/or preventing postoperative recurrence thereof, using the peptides, polynucleotides, antigen-presenting cells, cytotoxic T cells or pharmaceutical compositions of the present invention. Methods of inducing an immune response against cancer are also provided.

KOC1-derived peptide and vaccine including same

Peptide vaccines against cancer are described herein. In particular, epitope peptides derived from the UBE2T that CTLs are provided. Isolated antigen-presenting cells with CTL inducibility and 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 such epitope peptides derived from UBE2T or polynucleotides encoding the polypeptides as active ingredients. Furthermore, the present invention provides methods for the treatment and/or prophylaxis of (i.e., preventing) cancers (tumors), and/or the prevention of a postoperative recurrence thereof, as well as methods for inducing CTLs, methods for inducing anti-tumor immunity, using the epitope peptides derived from UBE2T, polynucleotides encoding the peptides, or antigen-presenting cells presenting the peptides, or the pharmaceutical compositions of the present invention.

UBE2T peptides and vaccines containing the same

Peptide vaccines against cancer are described herein. In particular, the present invention describes epitope peptides derived from CDCA1 that elicit CTLs. The present invention also provides established CTLs that specifically recognize HLA-A24 positive target cells pulsed with the peptides. Antigen-presenting cells and exosomes that present any of the peptides, as well as methods for inducing antigen-presenting cells are also provided. The present invention further provides pharmaceutical agents containing the CDCA1 polypeptides or polynucleotides encoding thereof, as well as exosomes and antigen-presenting cells as active ingredients. Furthermore, the present invention provides methods for treating and/or prophylaxis of (i.e., preventing) cancers (tumors), and/or prevention of postoperative recurrence thereof, as well as methods for inducing CTLs, methods for inducing anti-tumor immunity, using the CDCA1 polypeptides, polynucleotides encoding the polypeptides, exosomes or antigen-presenting cells presenting the polypeptides, or the pharmaceutical agents of the present invention. The cancers to be targeted include, but are not limited to, breast cancer, bladder cancer, esophageal cancer, small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC).

CDCA1 epitope peptides and vaccines containing the same

The present invention provides CDCA1-derived epitope peptides having the ability to induce cytotoxic T cells. The present invention further provides polynucleotides encoding the peptides, antigen-presenting cells presenting the peptides, and cytotoxic T cells targeting the peptides, as well as methods of inducing the antigen-presenting cells or CTLs. The present invention also provides compositions and pharmaceutical compositions containing them as an active ingredient. Further, the present invention provides methods of treating and/or preventing cancer, and/or preventing postoperative recurrence thereof, using the peptides, polynucleotides, antigen-presenting cells, cytotoxic T cells or pharmaceutical compositions of the present invention. Methods of inducing an immune response against cancer are also provided.

CDCA1-derived peptide and vaccine containing same

The present invention provides isolated peptides or the fragments derived from SEQ ID NO: 45, which bind to an HLA antigen and induce cytotoxic T lymphocytes (CTL). The peptides may include the above mentioned amino acid sequence with substitution deletion, or addition of one, two, or several amino acids sequences. The invention also provides pharmaceutical compositions including these peptides. The peptides of this invention can be used for diagnosing or treating cancer.

NEIL3 peptides and vaccines including the same

The present invention provides URLC10-derived epitope peptides having the ability to induce cytotoxic T cells. The present invention further provides polynucleotides encoding the peptides, antigen-presenting cells presenting the peptides, and cytotoxic T cells targeting the peptides, as well as methods of inducing the antigen-presenting cells or CTLs. The present invention also provides compositions and pharmaceutical compositions containing them as an active ingredient. Further, the present invention provides methods of treating and/or preventing cancer, and/or preventing postoperative recurrence thereof, using the peptides, polynucleotides, antigen-presenting cells, cytotoxic T cells or pharmaceutical compositions of the present invention. Methods of inducing an immune response against cancer are also provided.

URLC10-derived peptide and vaccine containing same

Peptide vaccines against cancer are described herein. In particular, epitope peptides derived from the UBE2T that elicit CTLs are provided. Isolated antigen-presenting cells with CTL inducibility and 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 such epitope peptides derived from UBE2T or polynucleotides encoding the polypeptides as active ingredients. Furthermore, the present invention provides methods for the treatment and/or prophylaxis of (i.e., preventing) cancers (tumors), and/or the prevention of a postoperative recurrence thereof, as well as methods for inducing CTLs, methods for inducing anti-tumor immunity, using the epitope peptides derived from UBE2T, polynucleotides encoding the peptides, or antigen-presenting cells presenting the peptides, or the pharmaceutical compositions of the present invention.

Isolated peptides derived from SEQ ID NO: 50 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 encompasses both the above mentioned amino acid sequences and modified versions thereof, in which one, two, or several amino acids sequences substituted, deleted, added or inserted, provided such modified versions retain the requisite cytotoxic T cell inducibility of the original sequence. 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. The peptides, nucleic acids, pharmaceutical agents, substances and compositions of this invention find particular utility in the treatment of cancers and tumors, including, for example, AML, bladder cancer, breast cancer, cervical cancer, cholangiocellular carcinoma, CML, colorectal cancer, esophagus cancer, Diffused-type gastric cancer, liver cancer, NSCLC, lymphoma, osteosarcoma, ovarian cancer, pancreatic cancer, prostate cancer, renal carcinoma, SCLC, soft tissue tumor and testicular tumor.

HJURP peptides and vaccines including the same

The present invention provides isolated epitope peptides derived from TOPK and immunogenic fragments thereof have an ability to induce cytotoxic T lymphocytes (CTLs) and thus are suitable for use in cancer immunotherapy, more particularly as cancer vaccines. The peptides of the present invention encompass both of peptides including a TOPK-derived amino acid sequence and modified versions thereof, in which one, two, or several amino acids are substituted, deleted, inserted and/or added, provided such modified versions have CTL inducibility. Further provided are polynucleotides encoding any of the aforementioned peptides as well as pharmaceutical compositions that include any of the aforementioned peptides or polynucleotides. The peptides, polynucleotides, and pharmaceutical compositions of this invention find particular utility in either or both of the treatment and prevention of a number of cancers.

TOPK peptides and vaccines including the same

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.

Method of inducing an immune response by administering WDRPUH epitope peptides

Provided is a novel cancer-treating agent which can be used as a novel choice for the treatment of cancer. Specifically provided are: a peptide that inhibits binding of ERAP1 polypeptide to PHB2 polypeptide, which comprises a binding site of the ERAP1 polypeptide to the PHB2 polypeptide, and a pharmaceutical composition comprising the peptide. In addition, provided is a method for screening a drug candidate for treating and/or preventing cancer using inhibition of the binding of the ERAP1 polypeptide to PP1&#x3b1; polypeptide, PKA polypeptide or PKB polypeptide as an index.

ERAP1-derived peptide and use thereof

According to the present invention, peptides having the amino acid sequence of SEQ ID NOs: 14, 21, 23, 27, 36, 46, 57, 60 and 62 were demonstrated to have cytotoxic T lymphocyte (CTL) inducibility. Therefore, the present invention provides a peptide having the amino acid sequence selected from among SEQ ID NOs: 14, 21, 23, 27, 36, 46, 57, 60 and 62. The peptide can include one, two, or several amino acid substitutions, deletions, insertions, or additions so long as its CTL inducibility is retained. Furthermore, the present invention provides pharmaceutical agents for the treatment and/or prophylaxis of cancers, and/or prevention of postoperative recurrence thereof, which contain any of these peptides. Pharmaceutical agents of this invention include vaccines.

MELK epitope peptides and vaccines containing the same

Peptide vaccines against cancer are described herein. In particular, isolated epitope peptides derived from the KNTC2 gene that elicit CTLs and thus are suitable for use in the context of cancer immunotherapy are provided. The inventive peptides encompass both KNTC2-derived peptides and modified versions thereof, provided such modified versions retain the requisite CTL inducibility of the original sequences.

Growing community of inventors

Kanagawa, Japan

Takuya Tsunoda