Abstract: A compound having a 7-membered nitrogen-containing ring skeleton represented by the formula (I), which is useful for the prevention or treatment of diseases, in which chymase is involved and a pharmaceutical containing the same for the prevention or treatment of a disease, in which chymase is involved.

Abstract: The present invention provides an antibody against a periostin isoform having anti-cell adhesive activity, especially an anti-periostin antibody having the ability to neutralize anti-cell adhesive properties, as well as a prophylactic or therapeutic agent for periostin-related diseases comprising the antibody. The present invention also provides methods for detecting and quantifying the periostin isoform in a sample by using the antibody, as well as a method for diagnosing periostin-related diseases comprising measuring the amount of the periostin isoform by the detection or quantification method.

Abstract: It is intended to provide a bicyclic ?-amino acid derivative having excellent activity as an ?2? ligand. The present invention provides a compound represented by the general formula (I): wherein R1, R2, R2?, R4, R5, R6, R7, R8, and R8? are a hydrogen atom or the like; and R3 is a hydrogen atom, a halogen atom, a C1-C6 alkyl group, or the like.