Abstract: The present invention provides a method for inducing antigen-specific T cells in a patient comprising administering to said patient in need thereof composition (a) which comprises an antigen protein or an antigen peptide as an active ingredient and composition (b) which comprises a non-specific immunopotentiator as an active ingredient, wherein composition (b) is administered in advance and then composition (a) is administered, as well as related pharmaceutical compositions.

Abstract: An HLA-A*1101-restricted WT1 peptide, specifically, a peptide comprising an amino acid sequence consisting of 9 contiguous amino acids from a WT1 protein, wherein the peptide has an ability to bind to an HLA-A*1101 molecule, and has an ability to induce a CTL is described. A peptide dimer having an ability to bind to an HLA-A*1101 molecule and having an ability to induce a CTL, in which two peptide monomers each comprising an amino acid sequence consisting of 9 contiguous amino acids from a WT1 protein and comprising at least one cysteine residue are bound to each other through a disulfide bond is also described. Furthermore, a polynucleotide encoding the peptide, a pharmaceutical composition for the treatment and/or prevention of a cancer comprising the same and the like are provided.

Abstract: An HLA-A*1101-restricted WT1 peptide, specifically, a peptide comprising an amino acid sequence consisting of 9 contiguous amino acids from a WT1 protein, wherein the peptide has an ability to bind to an HLA-A*1101 molecule, and has an ability to induce a CTL is described. A peptide dimer having an ability to bind to an HLA-A*1101 molecule and having an ability to induce a CTL, in which two peptide monomers each comprising an amino acid sequence cons sting of 9 contiguous amino acids from a WT1 protein and comprising at least one cysteine residue are bound to each other through a disulfide bond is also described. Furthermore, a polynucleotide encoding the peptide, a pharmaceutical composition for the treatment and/or prevention of a cancer comprising the same and the like are provided.

Abstract: A novel compound of the formula (1): wherein X is a tyrosine residue or a methionine residue; Y and Z each are a single bond or the like; R1 is a hydrogen atom or the like; R2 is a hydroxy group or the like; R3 is a hydrogen atom, alkyl group, amino group or the like; R4 is a hydrogen atom, alkyl group, carboxy group or the like; m is 1 or 2; and n is an integer of 0 to 2, with the proviso that when n is 0, R3 is a hydrogen atom or an alkyl group, or a pharmaceutically acceptable salt thereof, and its use in cancer immunotherapy.

Abstract: A cancer vaccine composition for human leukocyte antigen (HLA)-A*0206-positive persons, comprising a protein product of the tumor suppressor gene WT1 or a partial peptide thereof.

Abstract: A novel compound of the formula (1): wherein X is a tyrosine residue or a methionine residue; Y and Z each are a single bond or the like; R1 is a hydrogen atom or the like; R2 is a hydroxy group or the like; R3 is a hydrogen atom, alkyl group, amino group or the like; R4 is a hydrogen atom, alkyl group, carboxy group or the like; m is 1 or 2; and n is an integer of 0 to 2, with the proviso that when n is 0, R3 is a hydrogen atom or an alkyl group, or a pharmaceutically acceptable salt thereof, and its use in cancer immunotherapy.

Abstract: A cancer vaccine composition for human leukocyte antigen (HLA)-A*0206-positive persons, comprising a protein product of the tumor suppressor gene WT1 or a partial peptide thereof.

Abstract: The present invention relates to a method for activating helper T cells, which includes the step of activating helper T cells by adding a WT1 peptide to antigen presenting cells, wherein the WT1 peptide has the ability to bind to any MHC class II molecule of an HLA-DRB1* 0101 molecule, an HLA-DRB1* 0401 molecule, an HLA-DRB1* 0403 molecule, an HLA-DRB1* 0406 molecule, an HLA-DRB1* 0803 molecule, an HLA-DRB1* 0901 molecule, an HLA-DRB1* 1101 molecule, an HLA-DRB3* 0202 molecule, an HLA-DRB4* 0101 molecule, an HLA-DPB1* 0201 molecule or an HLA-DPB1* 0301 molecule, and the like.

Abstract: The present invention provides a method of treating or preventing cancer, by administering a peptide consisting of 16-25 contiguous amino acids in the amino acid sequence of human WT1 of SEQ ID NO: 1, which has the amino acid sequence of SEQ ID NO: 24, an expression vector having a polynucleotide encoding said peptide or a cell containing the expression vector to a subject in need thereof.

Abstract: The present invention relates to combination therapy for cancer with a WT1 peptide vaccine and temozolomide.

Abstract: The present invention relates to HLA-A26-binding cancer antigen peptides derived from WT1, polynucleotides encoding said peptide, CTL-inducers, and cancer vaccine comprising said peptide or polynucleotide.

Abstract: The present invention relates to HLA-A26-binding cancer antigen peptides derived from WT1, polynucleotides encoding said peptide, CTL-inducers, and cancer vaccine comprising said peptide or polynucleotide.

Abstract: Disclosed is a polynucleotide having at least 15 contiguous bases in the base sequence of SEQ ID NO:26 and including the base sequence of SEQ ID NO:27. Also disclosed is siRNA produced based on the polynucleotide. By means of this, a cancer cell-specific molecular-targeted therapy, which successfully controls the function of WT1, can be realized.

Abstract: The present invention provides a novel tumor antigen peptide and its cancer vaccine, specifically, a peptide dimer wherein two peptide monomers consisting of 7-30 amino acids including at least one cysteine residue and being capable of producing a tumor antigen peptide are bound each other through a disulfide bond.

Abstract: The present invention discloses a cancer antigen peptide comprising the following amino acid sequence: Cys Tyr Thr Trp Asn Gln Met Asn Leu (Sequence ID No. 3), a cancer vaccine having this for its active ingredient, and a DNA vaccine having for its active ingredient DNA that codes for this peptide.

Abstract: A novel compound of the formula (1): wherein X is a tyrosine residue or a methionine residue; Y and Z each are a single bond or the like; R1 is a hydrogen atom or the like; R2 is a hydroxy group or the like; R3 is a hydrogen atom, alkyl group, amino group or the like; R4 is a hydrogen atom, alkyl group, carboxy group or the like; m is 1 or 2; and n is an integer of 0 to 2, with the proviso that when n is 0, R3 is a hydrogen atom or an alkyl group, or a pharmaceutically acceptable salt thereof, and its use in cancer immunotherapy.

Abstract: A compound of formula (1): wherein X is a tyrosine residue or a methionine residue; Y and Z each are a single bond; R1 is a hydrogen atom; R2 is a hydroxy group; R3 is a hydrogen atom, alkyl group, amino group substituted alkylcarbonylamino; R4 is a hydrogen atom, alkyl group, carboxy group a group of formula (2): wherein W is an amino acid residue; m is 1 or 2; and n is an integer of 0 to 2, with the proviso that when n is 0, R3 is a hydrogen atom or an alkyl group, or a pharmaceutically acceptable salt thereof, and its use in cancer immunotherapy.

Abstract: A cancer vaccine composition for human leukocyte antigen (HLA)-A*0206-positive persons, comprising a protein product of the tumor suppressor gene WT1 or a partial peptide thereof.

Abstract: A tumor antigen that comprises, as an active ingredient, a product of the Wilms' tumor suppressor gene WT1 or a peptide composed of 7-30 contiguous amino acids containing an anchor amino acid for binding to major histocompatibility complex (MHC) class I in said amino acid sequence, and a vaccine comprising said antigen.

Abstract: Disclosed are: a nucleotide sequence and an amino acid sequence for CDR3 region of T-cell receptor (TCR) gene of WT1-specific cytotoxic T-cell (CTL) for WT1 protein; a method for the detection or treatment of cancer using the nucleotide sequence or the amino acid sequence; and a chip, a primer set, a kit, an apparatus and the like for use in the detection of cancer, each of which comprises the nucleotide sequence or the amino acid sequence.