Abstract: A cDNA encoding a novel LTC4 receptor has been isolated. Provision of the novel protein, an LTC4 receptor, enabled binding experiments using the LTC4. By screening for compounds that modulate LTC4 receptor activity based on these binding experiments, development of drugs targeting the LTC4 receptor becomes possible.

Abstract: A cDNA encoding a novel LTC4 receptor has been isolated. Provision of the novel protein, an LTC4 receptor, enabled binding experiments using the LTC4. By screening for compounds that modulate LTC4 receptor activity based on these binding experiments, development of drugs targeting the LTC4 receptor becomes possible.

Abstract: A cDNA encoding a novel LTC4 receptor has been isolated. Provision of the novel protein, an LTC4 receptor, enabled binding experiments using the LTC4. By screening for compounds that modulate LTC4 receptor activity based on these binding experiments, development of drugs targeting the LTC4 receptor becomes possible.

Abstract: The invention provides an optical switching method and apparatus by which the response time of a variation in refractive index of light can be further reduced. An electric field applied to a light passing element made of a substance containing conjugated system electrons is controlled to vary the condition of electrons of the substance of the light passing element to vary the refractive index of the light passing element. Then, the outgoing direction of light introduced into the light passing element is controlled to deflect the outgoing light from the light passing element, and the deflected outgoing light is introduced so as to be irradiated upon a selected control object element to control the control object element.