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Synthetic pyridopurines derived from food pyrolysis products: intercalation, interactions with membranes, cyclodextrin complexation, and biological mitogenic properties.
Debouzy, J C; Gueiffier, A; Fauvelle, F; Viols, H; Dejean, E; Neirinck, V; Peinnequin, A; Bachelet, C; Perly, B; Chapat, J P.
Afiliação
  • Debouzy JC; CRSSA, Départment des Radiations non Ionisantes, La Tronche, France.
J Pharm Sci ; 85(2): 200-5, 1996 Feb.
Article em En | MEDLINE | ID: mdl-8683449
ABSTRACT
Crucial conditions for the pharmacological use of active compounds are their ability to cross the biological barriers and reach their intracellular target. In the case of two antiviral pyridopurine derivatives, 1 and 2, this included essentially the membranes and the nucleic acids. Thus the interactions of 1 and 2 with model membranes and oligonucleotides were studied using NMR spectroscopy. It was found that these hydrophobic molecules can be incorporated into the model membranes at the terminal methyl group level, inducing dynamic perturbations in the bilayer. In the presence of the synthetic oligonucleotide ACATGT, both molecules can intercalate aspecifically in AT and GC systems. Inclusion complexes of 1 and 2 beta-cyclodextrins with a 11 stoichiometry, were also prepared. This led to to propose two galenic forms 1 and 2, i.e. included in phospholipid vesicles in the form of a beta-cyclodextrin complex
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Preparações Farmacêuticas / Ciclodextrinas / Aminas Idioma: En Ano de publicação: 1996 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Preparações Farmacêuticas / Ciclodextrinas / Aminas Idioma: En Ano de publicação: 1996 Tipo de documento: Article