| abstract |
An indole derivative represented by the following general formula (1) or its salt and a drug and a stem cell differentiation promoter containing the same as the active ingredient: (1) wherein at least one of R1, R2, R3 and R4 represents C1-20 alkoxy, while the remainders represent hydrogen, C1-6 alky, acetyl or hydroxy; and one of X and Y represents -(CH2)nOH (wherein n is from 0 to 30) while the other represents hydrogen. Because of having an effect of inducing the differentiation of nerve stem cells specifically into nerve cells, the above indole derivative (1) is useful as drugs such as a preventive and a remedy for neuropathy. |