摘要 |
An object of the present invention is to provide a method of identifying a substance which acts on a newly found second human prostaglandin D2 receptor subtype that differs from the DP receptor, and is useful for treating or preventing various diseases. In order to attain the object, the present invention provides a method of identifying properties of a test substance with respect to a human prostaglandin D receptor, by establishing correlation between the effect of a test substance on human CRTH2 with the effect of the test substance on the human prostaglandin D receptor. |