申请人:Luu Bang
公开号:US20050261357A1
公开(公告)日:2005-11-24
An indole derivative represented by the following general formula (1):
wherein at least one of R
1
, R
2
, R
3
, and R
4
represents an alkoxy group containing 1 to 20 carbon atoms, and other groups of the R
1
, R
2
, R
3
, and R
4
represent hydrogen, an alkyl group containing 1 to 6 carbon atoms, acetyl group, or hydroxyl group; and either one of X and Y represents —(CH
2
)
n
OH wherein n is an integer of 0 to 30, and the other one of the X and Y represents hydrogen atom; or a salt thereof; and a drug and an agent for promoting differentiation of a stem cell containing such indole derivative or its salt as an effective component.
The indole derivative (1) of the present invention has action of inducing differentiation of neural stem cell specifically into a neuron, and this indole derivative is useful as a prophylactic or therapeutic drug for brain dysfunction or neuropathy caused by loss or degeneration of the neuron.
以下是一种由下述通式(1)表示的吲哚衍生物:
其中,R1、R2、R3和R4中至少有一个表示含有1到20个碳原子的烷氧基,而R1、R2、R3和R4的其他基团则表示氢、含有1到6个碳原子的烷基、乙酰基或羟基;X和Y中的一个表示—(CH2)nOH,其中n为0到30的整数,而X和Y的另一个表示氢原子;或其盐;以及包含这种吲哚衍生物或其盐作为有效成分的药物和促进干细胞分化的药剂。本发明的吲哚衍生物(1)具有特异性诱导神经干细胞分化为神经元的作用,因此这种吲哚衍生物可用作预防或治疗因神经元丧失或退化引起的脑功能障碍或神经病变的药物。