PROBLEM TO BE SOLVED: To provide effective means for treatment of diseases with neoplastic proliferation of plasma cells, such as multiple myeloma.SOLUTION: An antibody has an epitope in a specific region of human integrin β7.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】多発性骨髄腫等の形質細胞の腫瘍性増殖を伴う疾患等の治療に、より有効な手段を提供すること。【解決手段】ヒトインテグリンβ7の特定の領域にエピトープを有する抗体。【選択図】なし