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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Main Authors DE-OLIVEIRA, ANNA-PAULA, KRAMMER, PETER, LI-WEBER, MIN, MARCHINI, ANTONIO, LEUCHS, BARBARA, NIETO, KAREN, ROMMELAERE, JEAN, LI, JUNWEI
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LanguageEnglish
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.
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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– fullname: NIETO, KAREN
– fullname: ROMMELAERE, JEAN
– fullname: LI, JUNWEI
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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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SubjectTerms BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
Title H-1 PV EXPRESSING RNAI EFFECTORS TARGETING CDK9
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