Patent ID: 6991908

Claim:
A method for screening a compound or its salt that alters the binding property between [ 125 I][N-(3-(4-hydroxy-3-iodophenyl)propionyl)-Met 4 ]-MCH(4-19) and SLC-1 or its salt, which comprises: measuring the amount of the [ 125 I][N-(3-(4-hydroxy-3-iodophenyl)propionyl)- 4 Met 4 ]-MCH(4-19) bound to the SLC-1, (i) when the [ 125 I][N-(3-(4-hydroxy-3-iodophenyl)propionyl) 4 Met 4 ]-MCH(4-19) is brought into contact with the SLC-1 or a salt thereof, and (ii) when a test compound and the [ 125 I][N-(3-(4-hydroxy-3-iodophenyl)propionyl) 4 Met 4 ]-MCH(4-19) are brought into contact with the SLC-1 or a salt thereof; and comparing (i) and (ii).