Polymorphisms in the human cyp3a4 and cyp3a7 genes and their...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 15/53 (2006.01) A01K 67/027 (2006.01) A61K 31/00 (2006.01) A61K 31/7088 (2006.01) A61K 38/44 (2006.01) A61K 39/395 (2006.01) A61K 48/00 (2006.01) A61P 35/00 (2006.01) C07H 21/00 (2006.01) C07K 16/40 (2006.01) C12N 9/02 (2006.01) C12N 15/63 (2006.01) C12P 19/34 (2006.01) C12Q 1/68 (2006.01)

Patent

CA 2379541

Described are general means and methods of diagnosing and treating the phenotypic spectrum as well as the over- lapping clinical characteristics with several forms of inherited abnormal expression and/or function of the CYP3A4 and CYP3A7 genes. In particular, polynucleotides of molecular variant CYP3A4 and CYP3A7 genes which, for example, are associated with insufficient metabolization and/or sensitively of drugs, and vectors comprising such polynucleotides are provided. Furthermore, host cells comprising such polynucleotides or vectors and their use for the production of variant CYP3A4 and CYP3A7 proteins are described. In addition, variant CYP3A4 and CYP3A7 proteins and antibodies specifically recognizing such proteins as well as transgenic non-human animals comprising the above-described polynucleotides or vectors are provided. Described are also methods for identifying and obtaining inhibitors for therapy of disorders related to the malfunction of the CYP3A4 and CYP3A7 genes as well as methods of diagnosing the status of such disorders. Pharmaceutical and diagnostic compositions comprising the above-de- scribed polynucleotides, vectors, proteins, antibodies and inhibitors by the above-described method are provided. Said compositions are particularly useful for diagnosing and treating various diseases with drugs that are substrates, inhibitors or modulators of the CYP3A4 or CYP3A7 gene product.

Cette invention a trait à des méthodes de diagnostic et de traitement du spectre phénotypique ainsi que des caractéristiques cliniques de chevauchement, par différentes formes d'expression et/ou de fonctions anormales héritées des gènes CYP3A4 et CYP3A7. L'invention concerne en particulier des polynucléotides de variantes moléculaires géniques CYP3A4 et CYP3A7 associés à une métabolisation insuffisante et/ou à une sensibilité à des médicaments ainsi que des vecteurs contenant ces polynucléotides. L'invention concerne en outre des cellules hôtes contenant ces polynucléotides ou vecteurs et leur utilisation pour la production de variants de protéines CYP3A4 et CYP3A7. Elle porte également sur des variants de protéines CYP3A4 et CYP3A7, sur des anticorps reconnaissant spécifiquement ces protéines, sur des animaux transgéniques contenant les polynucléotides ou les vecteurs décrits ci-dessus, sur des procédés permettant d'identifier et d'obtenir des agents inhibiteurs aux fins de la thérapie de maladies liées au dysfonctionnement des gènes CYP3A4 et CYP3A7 ainsi que sur des procédés de diagnostic de l'évolution de telles maladies. Elle concerne, en outre, des compositions pharmaceutiques et diagnostiques contenant les polynucléotides, vecteurs, protéines, anticorps et agents inhibiteurs décrits ci-dessus obtenus au moyen du procédé susmentionné. Ces compositions sont particulièrement utiles pour le diagnostic et le traitement de différentes maladies et ce, par l'utilisation de divers médicaments qui sont des substrats, des agents inhibiteurs ou des agents modulateurs des produits géniques CYP3A4 et CYP3A7.

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