[Problem] To provide a novel fluorescent probe for dipeptidyl peptidase IV, and a detection method and a detection kit using the fluorescent probe.
[Solution] A fluorescent probe for detecting dipeptidyl peptidase IV (DPP-IV), said probe comprising a compound represented by formula (I) or a salt, thereof. In formula (I): A and B are either the same or different and independently represent an amino acid residue, provided that A is bonded via an amide bond to NH in an adjacent formula and B is bonded via an amide bond to A; R
1
represents hydrogen atom(s) or
1
to
4
substituents bonded to the benzene ring, said substituents being either the same or different; R
2
, R
3
, R
4
, R
5
, R
6
and R
7
independently represent a hydrogen atom, a hydroxyl group, an alkyl group or a halogen atom; R
8
and R
9
independently represent a hydrogen atom or an alkyl group; and X represents a C
1
-C
5
alkylene group.
提供一种新颖的荧光探针用于检测
二肽基肽酶IV,以及使用该荧光探针的检测方法和检测工具包。一种用于检测
二肽基肽酶IV(
DPP-IV)的荧光探针,所述探针包括由式(I)表示的化合物或其盐。在式(I)中:A和B可以相同也可以不同,并且独立地代表一个
氨基酸残基,前提是A通过酰胺键与相邻式中的NH结合,而B通过酰胺键与A结合;R1代表氢原子或与苯环结合的1至4个取代基,所述取代基可以相同也可以不同;R2、R3、R4、R5、R6和R7独立地代表氢原子、羟基、烷基或卤素原子;R8和R9独立地代表氢原子或烷基;X代表C1-C5烷基基团。