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Autoradiography of [H3]-ET-l binding in rat carotid artery. Representative autoradiography of ETA and ETB receptors in rat carotid artery sections: total binding, non-specific binding (NS) and in the presence of BQ123 (10 µmol·L−1) or BQ788 (10 µmol·L−1). Summary data are shown below as means ± SEM from three experiments. *P < 0.05, Student's t-test; different from Cont groups. Cont, control; ET-1, endothelin-1; HHcy, hyperhomocysteinemia.
