Abstract: A compound represented by the formula (1): wherein Xa and Ya are each a single bond and the like, cancer antigen peptide A is an MHC class I-restricted WT1 peptide consisting of 7-30 amino acid residues, R1 is a hydrogen atom, a group represented by the formula (2): wherein Xb and Yb are each a single bond and the like, cancer antigen peptide B has a sequence different from that of the cancer antigen peptide A, and is an MHC class I-restricted WT1 peptide consisting of 7-30 amino acid residues, or cancer antigen peptide C, and cancer antigen peptide C has a sequence different from that of the cancer antigen peptide A, and is an MHC class I-restricted WT1 peptide or an MHC class II-restricted WT1 peptide, consisting of 7-30 amino acid residues containing one cysteine residue, or a salt thereof, and the like.

Abstract: The invention provides the nucleotide sequence and amino acid sequence of the CDR3 domain of the T cell receptor (TCR) gene of a WT1-specific cytotoxic T cell (CTL) against WT1 protein. Also provided are a method for testing for and treating cancer using the nucleotide sequence and amino acid sequence, and a chip, primer set, kit, and device for testing for cancer comprising the nucleotide sequence and amino acid sequence.

Abstract: The invention provides the nucleotide sequence and amino acid sequence of the CDR3 domain of the T cell receptor (TCR) gene of a WT1-specific cytotoxic T cell (CTL) against WT1 protein. Also provided are a method for testing for and treating cancer using the nucleotide sequence and amino acid sequence, and a chip, primer set, kit, and device for testing for cancer comprising the nucleotide sequence and amino acid sequence.

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 compound represented by the formula (1): wherein Xa and Ya are each a single bond and the like, cancer antigen peptide A is an MHC class I-restricted WT1 peptide consisting of 7-30 amino acid residues, R1 is a hydrogen atom, a group represented by the formula (2): wherein Xb and Yb are each a single bond and the like, cancer antigen peptide B has a sequence different from that of the cancer antigen peptide A, and is an MHC class I-restricted WT1 peptide consisting of 7-30 amino acid residues, or cancer antigen peptide C, and cancer antigen peptide C has a sequence different from that of the cancer antigen peptide A, and is an MHC class I-restricted WT1 peptide or an MHC class II-restricted WT1 peptide, consisting of 7-30 amino acid residues containing one cysteine residue, or a salt thereof, and the like.

Abstract: The invention provides a method for testing a WT1-related disease, such as leukemia, a solid cancer, or an atypia, for diagnosing the disease, evaluating the course of cure and the prognosis of the disease more simply with high reliability, the method comprises measuring the amount of antibody against WT1 in a sample and using the measurement value and the time course of the value as a clinical marker for the testing.

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 compound represented by the formula (1): wherein Xa and Ya are each a single bond and the like, cancer antigen peptide A is an MHC class I-restricted WT1 peptide consisting of 7-30 amino acid residues, R1 is a hydrogen atom, a group represented by the formula (2): wherein Xb and Yb are each a single bond and the like, cancer antigen peptide B has a sequence different from that of the cancer antigen peptide A, and is an MHC class I-restricted WT1 peptide consisting of 7-30 amino acid residues, or cancer antigen peptide C, and cancer antigen peptide C has a sequence different from that of the cancer antigen peptide A, and is an MHC class I-restricted WT1 peptide or an MHC class II-restricted WT1 peptide, consisting of 7-30 amino acid residues containing one cysteine residue, or a salt thereof, and the like.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and a method of treating cancer using the peptide.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and a method of treating cancer using the peptide.

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.

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.

Abstract: The invention provides the nucleotide sequence and amino acid sequence of the CDR3 domain of the T cell receptor (TCR) gene of a WT1-specific cytotoxic T cell (CTL) against WT1 protein. Also provided are a method for testing for and treating cancer using the nucleotide sequence and amino acid sequence, and a chip, primer set, kit, and device for testing for cancer comprising the nucleotide sequence and amino acid sequence.

Abstract: Provided is an invention relating to a method for measuring an anti-WT1 antibody in a sample allowing measurement and evaluation of the anti-WT1 antibody with higher accuracy and to use of the method.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and a method of treating cancer using the peptide.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and others.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and a method of treating cancer using the peptide.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and a method of treating cancer using the peptide.

Abstract: Disclosed are: a peptide comprising an amino acid sequence composed of contiguous nine amino acid residues derived from a WT1 protein, wherein an amino acid residue at position 2 in the amino acid sequence is selected from the group consisting of Ala, Ile, Leu, Val, Phe, Tyr, Ser and Asp and an amino acid residue at position 9 in the amino acid sequence is Arg; a polynucleotide encoding the peptide; a pharmaceutical composition comprising the peptide; and a method for the induction of a WT1-specific CTL using the peptide.

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.