Abstract: A low-variation and highly reproducible method for measuring antibody-dependent cellular cytotoxicity activity of an antibody for a dog as the subject of administration is provided. A method for measuring antibody-dependent cellular cytotoxicity activity comprising a step of causing an antibody and cells in which a canine CD16-canine Fc? receptor ? chain fusion protein is expressed in human-derived NK cells to act on canine tumor-derived cells or cells which express a canine tumor antigen and a step of detecting the cell death of the canine tumor-derived cells or the cells which express the canine tumor antigen. Also, the method for measuring antibody-dependent cellular cytotoxicity activity in which the human-derived NK cells are NK-92 cells.

Abstract: Provided is an antibody that has a high binding activity to membrane-bound IgM on the surface of B cells and exhibits a growth inhibition effect on the B cells, even in the presence of soluble IgM in blood. A bispecific antibody, which binds to IgM and a B cell surface antigen.

Abstract: To provide a monoclonal antibody against canine CD20 having a more excellent effect than existing antibodies. The present invention provides a monoclonal antibody or antibody fragment against canine CD20 that has a heavy chain variable region consisting of an amino acid sequence of SEQ ID NO: 1 or an amino acid sequence in which one or several amino acids are deleted, substituted, or added in the amino acid sequence of SEQ ID NO: 1, and a light chain variable region consisting of an amino acid sequence of SEQ ID NO: 2 or an amino acid sequence in which one or several amino acids are deleted, substituted, or added in the amino acid sequence of SEQ ID NO: 2, and that has a light chain constant region consisting of an amino acid sequence of SEQ ID NO: 3 or an amino acid sequence in which one or several amino acids are deleted, substituted, or added in the amino acid sequence of SEQ ID NO: 3.

Abstract: Provided are an anti-canine TARC antibody for use in the treatment and diagnosis of canine atopic dermatitis, and a method for treating or diagnosing canine atopic dermatitis using the same. An anti-canine TARC monoclonal antibody binding to canine TARC, comprising a heavy chain variable region consisting of the amino acid sequence shown in SEQ ID NO: 2 and a light chain variable region consisting of the amino acid sequence shown in SEQ ID NO: 4, or a functional fragment thereof binding to canine TARC.

Abstract: Provided are a treatment method and a therapeutic agent for canine tumor. A pharmaceutical composition for treating canine tumor, comprising, as an active ingredient, a compound that inhibits the binding of canine CCL17 and canine CCR4.

Abstract: The present invention provides an anti-IL-17 aptamer comprising a compound represented by the following formula (I): (each symbol is as defined in the DESCRIPTION) or a pharmaceutically acceptable salt, solvate or hydrate thereof, and showing improved in vivo stability.

Abstract: Provided is an antibody that has a high binding activity to membrane-bound IgM on the surface of B cells and exhibits a growth inhibition effect on the B cells, even in the presence of soluble IgM in blood. A bispecific antibody, which binds to IgM and a B cell surface antigen.

Abstract: The present invention provides an anti-IL-17 aptamer comprising a compound represented by the following formula (I): (each symbol is as defined in the DESCRIPTION) or a pharmaceutically acceptable salt, solvate or hydrate thereof, and showing improved in vivo stability.

Abstract: The present invention provides a synthetic peptide capable of inducing an antibody to an autoantigen, and specifically, provides: a multiplexed same type-antigenic peptide having a dendritic core and B-cell recognition peptides, wherein the multiplexed same type-antigenic peptide comprises 4 to 8 B-cell recognition peptides of the same type that are bound to the terminal ends of the dendritic core directly or via a spacer, and each B-cell recognition peptide is bound to the terminal end of the dendritic core directly or via a spacer; an antibody production-inducing agent having the peptides; and a method for producing the peptide.

Abstract: The object of the present invention is to provide an anti-canine PD-1 antibody or an anti-canine PD-L1 antibody, an agent for inhibiting binding between a canine PD-1 and a canine PD-L1 containing such an antibody, a method for inhibiting binding between a canine PD-1 and a canine PD-L1 comprising using such an antibody, and a gene encoding such an antibody. An anti-canine PD-1 antibody that specifically binds to a canine PD-1 consisting of the amino acid sequence set forth in SEQ ID NO: 1 and an anti-canine PD-L1 antibody that specifically binds to a canine PD-L1 consisting of the amino acid sequence set forth in SEQ ID NO: 6 are produced. An agent for inhibiting binding between a canine PD-1 and a canine PD-L1 containing such an antibody is also produced.

Abstract: Provided are an anti-canine TARC antibody for use in the treatment and diagnosis of canine atopic dermatitis, and a method for treating or diagnosing canine atopic dermatitis using the same. An anti-canine TARC monoclonal antibody binding to canine TARC, comprising a heavy chain variable region consisting of the amino acid sequence shown in SEQ ID NO: 2 and a light chain variable region consisting of the amino acid sequence shown in SEQ ID NO: 4, or a functional fragment thereof binding to canine TARC.

Abstract: Problem to be Solved: The present invention is intended to provide a polynucleotide encoding the light-chain variable region and the heavy-chain variable region of an anti-dog IgE antibody; and an anti-dog IgE antibody containing these variable regions. Solution: The present invention is DNA encoding a heavy-chain variable region consisting of the amino acid sequence represented by SEQ ID NO: 2 or 6 and DNA encoding a light-chain variable region consisting of the amino acid sequence represented by SEQ ID NO: 4 or 8, and an anti-dog IgE monoclonal antibody which binds to dog IgE, containing these variable regions or a functional fragment thereof which binds to dog IgE.

Abstract: This invention provides a method of preparing a ?-hematin crystal comprising a step of heating, the ?-hematin crystal obtained by such method, and a vaccine adjuvant composition containing the ?-hematin crystal. The ?-hematin crystal has a needle-like morphology, it has an average particle size of 0.6 to 1.2 ?m, and it exhibits main peaks characteristics for angles of diffraction (2?) of 7.4°, 12.2°, 21.6°, and 24.1° in an X-ray diffraction pattern obtained by powder X-ray diffractometry with Cu—K? rays (with each peak including a plus-minus 0.2° diffraction angle).

Abstract: The object of the present invention is to provide an anti-canine PD-1 antibody or an anti-canine PD-L1 antibody, an agent for inhibiting binding between a canine PD-1 and a canine PD-L1 containing such an antibody, a method for inhibiting binding between a canine PD-1 and a canine PD-L1 comprising using such an antibody, and a gene encoding such an antibody. An anti-canine PD-1 antibody that specifically binds to a canine PD-1 consisting of the amino acid sequence set forth in SEQ ID NO: 1 and an anti-canine PD-L1 antibody that specifically binds to a canine PD-L1 consisting of the amino acid sequence set forth in SEQ ID NO: 6 are produced. An agent for inhibiting binding between a canine PD-1 and a canine PD-L1 containing such an antibody is also produced.

Abstract: It is intended to provide an IgE peptide vaccine that can be used in the prevention or treatment of allergic diseases in animals other than mice, such as humans or dogs. The present invention provides a peptide consisting of (i) the amino acid sequence represented by SEQ ID NO: 28, or (ii) an amino acid sequence consisting of at least 10 consecutive amino acids in the amino acid sequence represented by SEQ ID NO: 28, wherein the peptide, when administered to an animal, is capable of specifically binding to a CH3 region in an IgE antibody of the animal and thereby blocking the binding of the IgE antibody to an IgE receptor.

Abstract: Problem to be Solved: The present invention is intended to provide a polynucleotide encoding the light-chain variable region and the heavy-chain variable region of an anti-dog IgE antibody; and an anti-dog IgE antibody containing these variable regions. Solution: The present invention is DNA encoding a heavy-chain variable region consisting of the amino acid sequence represented by SEQ ID NO: 2 or 6 and DNA encoding a light-chain variable region consisting of the amino acid sequence represented by SEQ ID NO: 4 or 8, and an anti-dog IgE monoclonal antibody which binds to dog IgE, containing these variable regions or a functional fragment thereof which binds to dog IgE.

Abstract: This invention provides a method of preparing a ?-hematin crystal comprising a step of heating, the ?-hematin crystal obtained by such method, and a vaccine adjuvant composition containing the ?-hematin crystal. The ?-hematin crystal has a needle-like morphology, it has an average particle size of 0.6 to 1.2 ?m, and it exhibits main peaks characteristics for angles of diffraction (2?) of 7.4°, 12.2°, 21.6°, and 24.1° in an X-ray diffraction pattern obtained by powder X-ray diffractometry with Cu—K? rays (with each peak including a plus-minus 0.2° diffraction angle).

Abstract: The present invention provides a vaccine adjuvant composition which is used in combination with an allergen vaccine, infection vaccine or tumor vaccine. The present invention specifically provides a vaccine adjuvant composition comprising hemozoin or ?-hematin and being used in combination with an allergen vaccine, infection vaccine or tumor vaccine, and a vaccine composition comprising the vaccine adjuvant composition and an allergen vaccine, infection vaccine or tumor vaccine.

Abstract: A method for removing cauxin in cat urine and a material for removing cauxin are provided. The material for removing cauxin in cat urine comprises a polymer substrate on which surface a trifluoroketone derivative is immobilized via dithiol.

Abstract: A safe and efficient recombinant mite allergen is provided as a therapeutic agent or a diagnostic agent for mite allergic diseases, which contains no anaphylaxis-inducing impurities. The following recombinant protein (a) or (b) is provided: (a) a protein comprising the amino acid sequence represented by SEQ ID NO: 2 or 35; or (b) a protein comprising an amino acid sequence derived from the amino acid sequence represented by SEQ ID NO: 2 or 35 by deletion, substitution, or addition of one or several amino acids and having mite allergen activity.