Means for use in treating diseases correlated with or caused...

A - Human Necessities – 61 – K

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Details

A61K 38/53 (2006.01) A61K 31/7105 (2006.01) A61K 38/17 (2006.01) A61P 25/28 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2493825

The present invention relates to a method of preventing or treating a disease correlated with or caused by non-physiologically increased intracellular levels of the catalytic subunit of microtubule-associated protein phosphatase 2A (PP2Ac) comprising administering to a subject affected by said disease or in danger of developing said disease a pharmaceutically effective amount of a protein selected from the group of MID1 or MID2 or a nucleic acid encoding said protein. The invention further relates to a method of preventing or treating a disease correlated with or caused by non-physiologically decreased intracellular levels of the catalytic subunit of microtubule-associated protein phosphatase 2A (PP2Ac) comprising administering to a subject affected by said disease or in danger of developing said disease a pharmaceutically effective amount of a peptidic fragment of MID1 or MID2 wherein said peptidic fragment comprises amino acids 108-165 (preferably 110-165) of MID1, amino acids 108-165 (preferably 110-165) of MID2 or with an effective amount of a fragment of PP2Ac wherein said fragment comprises the binding site to a4 or of a peptide fragment of a4 comprising amino acids 236-279 or with an effective amount of a nucleic acid molecule encoding said peptide fragment or with an effective amount of a molecule interfering with the interaction of MID1 with a4 or with an effective amount of a molecule interfering with the expression or activity of MID1 and/or a 4.

La présente invention concerne un procédé de prévention ou de traitement d'une maladie liée ou due à des niveaux intracellulaires, augmentés non physiologiquement, de la sous-unité catalytique de la phosphatase protéique 2A (PP2Ac) associée aux microtubules. Ce procédé comprend l'administration à un sujet souffrant de cette maladie ou risquant de la développer, une quantité pharmaceutiquement efficace d'une protéine sélectionnée dans le groupe de MID1 ou MID2 ou un acide nucléique codant cette protéine. L'invention concerne également un procédé de prévention ou de traitement d'une maladie liée ou due à des niveaux intracellulaires réduits de façon non physiologique de la sous-unité catalytique de la phosphatase protéique 2A (PP2Ac) associée aux microtubules comprenant l'administration à un sujet souffrant de cette maladie ou risquant de la développer, une quantité pharmaceutiquement efficace d'un fragment peptidique de MID1 ou MID2, ce fragmant peptidique comprenant des acides aminés 108-165 (de préférence 110-165) de MID1, acides aminés 108-165 (de préférence 110-165) de MID2 ou une quantité efficace d'un fragment de PP2Ac, ce fragment comprenant le site de liaison à a4 ou d'un fragment peptidique de a4 comprenant des acides aminés 236-279 ou une quantité efficace d'une molécure d'acide nucléique codant pour ce fragment peptidique ou une quantité efficace d'une molécule interférant avec l'interaction de MID1 avec a4 ou une quantité efficace d'une molécule interférant avec l'expression ou l'activité de MID1 et/ou .alpha.4.

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