LINDEN, JOEL;PATEL, AMRAT;EARL, CRAIG Q.;CRAIG, REBECCA H.;DALUGE, SUSAN +, J. MED. CHEM., 31,(1988) N 4, 745-751
作者:LINDEN, JOEL、PATEL, AMRAT、EARL, CRAIG Q.、CRAIG, REBECCA H.、DALUGE, SUSAN +
DOI:——
日期:——
Iodine-125-labeled 8-phenylxanthine derivatives: antagonist radioligands for adenosine A1 receptors
作者:Joel Linden、Amrat Patel、Craig Q. Earl、Rebecca H. Craig、Susan M. Daluge
DOI:10.1021/jm00399a010
日期:1988.4
3-(arylamino)-8-phenylxanthine derivatives were labeled with 125I and evaluated as A1 receptor radioligands. The new radioligands bound to A1 receptors with KD values of 1-1.25 nM. Specific binding represented over 80% of total binding. High concentrations of NaCl or other salts increased the binding affinity of acidic but not neutral antagonists, suggesting that interactions between ionized xanthines and