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[Regional distribution of enkephalinase in the rat brain by autoradiography]
Abstract:
The first visualization of enkephalinase (neutral metalloendopeptidase, E.C.3.4.24.11) in rat brain was obtained by autoradiography, using a new tritiated inhibitor: [3H]N-[( R,S )3-(N-hydroxy) carboxamido-2-benzyl propanoyl]glycine (3H-HCBP-Gly). The preliminary analysis of sections clearly showed a discrete localization of enkephalinase in enkephalin enriched regions, such as caudate nucleus, putamen, globus pallidus, and substantia nigra. Moreover 3H-HCBP-Gly binding also occurred in choroid plexus and spinal cord.