Abstract: Provided is an agent for the treatment of an autoimmune disease, the agent comprising C1q/TNF-related protein 3 (CTRP3), and a method for the treatment of an autoimmune disease, the method comprising: administering an agent, which comprises CTRPb3 for the treatment of an autoimmune disease, to a subject in need of a treatment of an autoimmune disease.

Abstract: Provided is an agent for the treatment of an autoimmune disease, the agent comprising CTRP3, and a method for the treatment of an autoimmune disease, the method comprising: administering an agent, which comprises CTRP3 for the treatment of an autoimmune disease, to a subject in need of a treatment of an autoimmune disease.

Abstract: Provided are methods of suppressing complement alternative pathway in a mammalian subject in need thereof, comprising administering to said subject a therapeutically effective amount of C1q and tumor necrosis factor related protein 6 (CTRP6) or a functional analog thereof.

Abstract: [Problem] The topic of the present invention is the elucidation of the biological function of CTRP6 and its application. [Solution] A pharmaceutical composition containing CTRP6 for the prevention or treatment of autoimmune disease. Ideally, a pharmaceutical composition for the prevention or treatment of inflammation associated with autoimmune disease, for example, rheumatoid arthritis or type 1 diabetes, is provided.

Abstract: Provided is an optical observation system that is provided with a portable device, which is secured to an examination subject A and is moved together with the movement of the examination subject, and an external device disposed away from the examination subject, wherein the portable device is provided with a light source; an illumination optical system radiates light coming from the light source onto an observation target site in the examination subject; a detection optical system optically guides light coming from the observation target site; a photodetector detects the light optically guided thereto by the detection optical system and converts the light to an electrical signal; and a transmitter wirelessly transmits the electrical signal output from the photodetector; and the external device is provided with a receiver receives the electrical signal transmitted from the portable device and a signal processor processes the electrical signal received by the receiver.