Characterization of 5-HT1A receptor-mediated [35S]GTPgammaS binding in rat hippocampal membranes.

@article{Alper1998CharacterizationO5,
  title={Characterization of 5-HT1A receptor-mediated [35S]GTPgammaS binding in rat hippocampal membranes.},
  author={Richard H Alper and David L. G. Nelson},
  journal={European journal of pharmacology},
  year={1998},
  volume={343 2-3},
  pages={303-12}
}
Stimulation of [35S]GTPgammaS binding by serotonin (5-hydroxytryptamine, 5-HT) receptor ligands was characterized in rat hippocampal membranes. The optimized assay contained 30-50 microg protein, 300 microM GDP and 0.1 nM [35S]GTPgammaS, incubated at 37 degrees C for 20 min. At 10 microM, the 5-HT1A receptor agonist R(+)-8-hydroxy-2-(di-n-propylamino)tetralin [R(+)-8-OH-DPAT] stimulated GTPgammaS binding from 27.1 +/- 2.5 to 45.7 +/- 4.2 fmol/mg protein. Increasing the protein concentration did… CONTINUE READING
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