Novel gene relating to fibrotic conditions

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/12 (2006.01) A61K 38/17 (2006.01) A61P 13/00 (2006.01) A61P 13/12 (2006.01) A61P 43/00 (2006.01) C07K 14/47 (2006.01) C12N 1/15 (2006.01) C12N 1/19 (2006.01) C12N 1/21 (2006.01) C12N 15/09 (2006.01) C12N 15/63 (2006.01) C12Q 1/02 (2006.01) C12Q 1/68 (2006.01) G01N 33/15 (2006.01) G01N 33/50 (2006.01) C12N 5/06 (2006.01)

Patent

CA 2517953

A novel human or rat polypeptide useful in improving and/or preventing organ fibrosis; a polynucleotide encoding the polypeptide; an expression vector containing the polynucleotide; and a cell transfected with the expression vector. This polynucleotide shows a remarkable decrease in the expression dose in the kidney of a chronic renal insufficiency model rat or in the bladder of a rat suffering from the induction of fibrotic conditions in the bladder, compared with a normal individual. Overexpression of the polypeptide suppresses the production of extracellular matrix. The promoter region of the above polypeptide; a method of screening a remedy for fibrotic conditions; and a process for producing a medicinal composition for improving fibrotic conditions which contains a substance obtained by the above screening method as the active ingredient.

La présente invention a trait à un nouveau polypeptide humain utile pour l'amélioration et/ou la prévention de la fibrose d'organes ; un polynucléotide codant pour le polypeptide ; un vecteur d'expression contenant le polynucléotide, et une cellule transfectée avec le vecteur d'expression. Ce polynucléotide présente une diminution notable dans la dose d'expression dans le rein d'un rat modèle atteint d'insuffisance rénale chronique ou dans la vessie d'un rat souffrant de l'induction de conditions fibreuses dans la vessie, par comparaison à un individu normal. La surexpression du polypeptide supprime la production de matrice extracellulaire. L'invention a également trait à la région promotrice dudit polypeptide, un procédé de criblage d'un remède pour des conditions fibreuses, et un procédé de production d'une composition médicamenteuse pour l'amélioration de conditions fibreuses contenant une substance obtenue par ledit procédé de criblage en tant que principe actif.

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