H-1 PV EXPRESSING RNAI EFFECTORS TARGETING CDK9
The present invention relates to innovative protoparvoviruses (PV) expressing RNAi effectors, preferably shRNAs, against the CDK9 gene which display improved anticancer activity. These new viruses are based on the ??-lPVsilencer platform that consists of a protoparvovirus H-1PV featuring an in-frame...
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Format | Patent |
Language | English French |
Published |
31.05.2018
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Abstract | The present invention relates to innovative protoparvoviruses (PV) expressing RNAi effectors, preferably shRNAs, against the CDK9 gene which display improved anticancer activity. These new viruses are based on the ??-lPVsilencer platform that consists of a protoparvovirus H-1PV featuring an in-frame deletion within the NS region (??-IPV) and harbouring a shRNA expression cassette in which the expression of the shRNA is controlled by the HI Polymerase III promoter. In this invention the inventors aimed to use the ??-lPVsilencer to silence the CDK9 gene whose activity is often dysregulated in cancer cells and known to contribute to tumorigenesis. The present invention also provides cells or organisms comprising said parvovirus.
La présente invention concerne des protoparvovirus (PV) innovants exprimant des effecteurs d'ARNi, de préférence des ARNsh, contre le gène CDK9 qui présentent une activité anticancéreuse améliorée. Ces nouveaux virus sont basés sur la plate-forme de silenceur ??-lPV qui est constituée d'un protoparvovirus H-1PV comportant une délétion en phase dans la région NS (??-IPV) et contenant une cassette d'expression d'ARNsh dans laquelle l'expression de l'ARNsh est contrôlée par le promoteur de HI polymérase III. Dans la présente invention, les inventeurs ont cherché à utiliser le silenceur ??-lPV pour le silençage du gène CDK9 dont l'activité est souvent dérégulée dans des cellules cancéreuses et connue pour contribuer à la tumorigenèse. La présente invention concerne en outre des cellules ou des organismes comprenant ledit parvovirus. |
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AbstractList | The present invention relates to innovative protoparvoviruses (PV) expressing RNAi effectors, preferably shRNAs, against the CDK9 gene which display improved anticancer activity. These new viruses are based on the ??-lPVsilencer platform that consists of a protoparvovirus H-1PV featuring an in-frame deletion within the NS region (??-IPV) and harbouring a shRNA expression cassette in which the expression of the shRNA is controlled by the HI Polymerase III promoter. In this invention the inventors aimed to use the ??-lPVsilencer to silence the CDK9 gene whose activity is often dysregulated in cancer cells and known to contribute to tumorigenesis. The present invention also provides cells or organisms comprising said parvovirus.
La présente invention concerne des protoparvovirus (PV) innovants exprimant des effecteurs d'ARNi, de préférence des ARNsh, contre le gène CDK9 qui présentent une activité anticancéreuse améliorée. Ces nouveaux virus sont basés sur la plate-forme de silenceur ??-lPV qui est constituée d'un protoparvovirus H-1PV comportant une délétion en phase dans la région NS (??-IPV) et contenant une cassette d'expression d'ARNsh dans laquelle l'expression de l'ARNsh est contrôlée par le promoteur de HI polymérase III. Dans la présente invention, les inventeurs ont cherché à utiliser le silenceur ??-lPV pour le silençage du gène CDK9 dont l'activité est souvent dérégulée dans des cellules cancéreuses et connue pour contribuer à la tumorigenèse. La présente invention concerne en outre des cellules ou des organismes comprenant ledit parvovirus. |
Author | LI-WEBER, MIN ROMMELAERE, JEAN KRAMMER, PETER MARCHINI, ANTONIO DE-OLIVEIRA, ANNA-PAULA LEUCHS, BARBARA LI, JUNWEI NIETO, KAREN |
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DocumentTitleAlternate | H-1PV EXPRIMANT DES EFFECTEURS D'ARNI CIBLANT CDK9 |
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Snippet | The present invention relates to innovative protoparvoviruses (PV) expressing RNAi effectors, preferably shRNAs, against the CDK9 gene which display improved... |
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Title | H-1 PV EXPRESSING RNAI EFFECTORS TARGETING CDK9 |
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