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All Journal INDONESIAN JOURNAL OF PHARMACY
Gusdinar, Tutus
School of Pharmacy Institut Teknologi Bandung, Jl. Ganesha 10, Bandung - 40132
Medicine & Pharmacology

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Biochemical research of phenyclidine reseptor : Interaction to specific bonding to the lower affinity receptor Gusdinar, Tutus; Chicheportiche, Robert
Indonesian Journal of Pharmacy Vol 18 No 4, 2007
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (362.923 KB) | DOI: 10.14499/indonesianjpharm0iss0pp190-198

Abstract

Fixed concentration of MK-801 molecule had been used as a specific ligand for differenciating two kinds of phencyclidine (PCP) and thienylphencyclidine (TCP) receptors. By using several drug molecules which have different pharmacological action, as well as such molecular affinity (IC50) to the rat brain, it was obtained that both of these interacting receptors had equal character for its higher or lower affinity sites. The MK-801 molecule inhibited much strongly (IC50 is about 10 nM) fixation of 3HTCP to its higher affinity receptor and much weakly (IC50 is about 10 μM) fixation of 3H-PCP to its lower affinity receptor. The MK-801 molecule could be used as well for differenciating two 3H-TCP receptors, the higher and the lower affinity.Key words : phencyclidine – thienylphencyclidine – MK-801 – higher affinity receptor– lower affinity receptor.
Co-Authors Chicheportiche, Robert