Table 1

Binding affinities of neurotensin receptor ligands for cloned mouse NT receptors

CompoundKi1-a
mNTR1mNTR2
nM
Neurotensin0.25  ± 0.157.0  ± 1.0
NT-20.11  ± 0.053.8  ± 0.3
Levocabastine>10,00017  ± 2
  • 1-a  IC50 values are the mean of three determinations ± S.E.M. and were calculated using GraphPad Prism software. K i values were then calculated for the individual sites by using the equationK i = IC50/[1 + c/K d).