DK2016194T3 - Fremgangsmåder og sammensætninger til ekspression af viralt negativ-sense-rna i hundeceller - Google Patents

Fremgangsmåder og sammensætninger til ekspression af viralt negativ-sense-rna i hundeceller Download PDF

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DK2016194T3
DK2016194T3 DK07760860.2T DK07760860T DK2016194T3 DK 2016194 T3 DK2016194 T3 DK 2016194T3 DK 07760860 T DK07760860 T DK 07760860T DK 2016194 T3 DK2016194 T3 DK 2016194T3
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virus
influenza
cells
canine
rna
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Gregory Duke
George Kemble
Zhaoti Wang
James Young
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Medimmune Llc
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Priority claimed from US11/501,067 external-priority patent/US7790434B2/en
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Claims (18)

1. Isoleret nukleinsyre, som omfatter en hunde-RNA-polymerase I-promotor, hvor nukleinsyren omfatter (a) et polynukleotid med nukleotidsekvensen ifølge SEQ ID NO: 26, (b) et funktionelt aktivt fragment af polynukleotidet som defineret i (a), hvilket fragment omfatter mindst 250 eller mindst 350 eller mindst 450 sammenhængende nukleotider fra sekvensen ifølge SEQ ID NO: 26, eller (c) et polynukleotid, som udviser mindst 99% identitet med polynukleotidet som defineret i (a).
2. Isoleret nukleinsyresekvens ifølge krav 1, som er operativt forbundet til cDNA, der koder for et viralt, genomisk negativ-streng-RNA eller det tilsvarende cRNA.
3. Isoleret nukleinsyre ifølge krav 2, hvor det virale, genomiske negativ-streng-RNA er et genomisk influenza-RNA.
4. Isoleret nukleinsyre ifølge krav 2 eller 3, hvor nukleinsyren endvidere omfatter en transskriptionstermineringssekvens.
5. Isoleret nukleinsyre ifølge krav 2, 3 eller 4, hvor cDNA'et er et influenzavirus-cDNA valgt fra gruppen bestående af: polymerase-basisprotein 2 (PB2)-cDNA, polymerase- basisprotein 1 (PBl)-cDNA, surt polymeraseprotein (PA, polymerase acidic protein)-cDNA, hæmagglutinin (HA)-cDNA, nukleoprotein (NP)-cDNA, neuraminidase (NA)-cDNA, matrixprotein 1 (Ml)-cDNA, matrixprotein 2 (M2)-cDNA, ikke- strukturprotein 1 (NSI, non-structural protein 1)- og ikke-strukturprotein 2 (NS2, non-structural protein 2)-cDNA.
6. Ekspressionsvektor, som omfatter en nukleinsyre ifølge et hvilket som helst af kravene 1-5.
7. Fremgangsmåde til frembringelse af et rekombinant influenzavirus, hvilken fremgangsmåde omfatter dyrkning af en hundecelle omfattende en ekspressionsvektor ifølge krav 6 og en eller flere ekspressionsvektorer, som udtrykker et mRNA, hvilket mRNA koder for et eller flere influenzapolypeptider valgt fra gruppen bestående af: polymerase- basisprotein 2 (PB2), polymerase-basisprotein 1 (PB1), surt polymeraseprotein (PA), hæmagglutinin (HA), nukleoprotein (NP), neuraminidase (NA), matrixprotein 1 (Ml), matrixprotein 2 (M2), ikke-strukturprotein 1 (NSI) og ikke-strukturprotein 2 (NS2), hvor mindst otte ekspressionsvektorer, som hver inkorporerer et influenzagenomsegment, hvilke influenzagenomsegmenter er forskellige, anvendes til at indføre et komplet influenzagenom i hundecellen; og isolering af det rekombinante influenzavirus.
8. Celle, som omfatter en ekspressionsvektor ifølge krav 6.
9. Fremgangsmåde til frembringelse af et genomisk influenza-RNA, hvilken fremgangsmåde omfatter indføring af ekspressionsvektoren ifølge krav 6 i hundeceller for derved at frembringe et genomisk influenza-RNA.
10. Fremgangsmåde til frembringelse af et rekombinant influenzavirus, hvilken fremgangsmåde omfatter i) indføring af ekspressionsvektorer i en population af hundeceller a) ekspression i cellerne af genomiske vRNA-segmenter for at tilvejebringe de komplette genomiske vRNA-segmenter for virusset, hvor en eller flere af ekspressionsvektorerne omfatter en nukleinsyresekvens for en hunde-RNA-polymerase I-promotor ifølge krav 1, og b) også ekspression i cellerne af mRNA, der koder for et eller flere influenzapolypeptider valgt fra gruppen bestående af: polymerase-basisprotein 2 (PB2), polymerase- basisprotein 1 (PB1), surt polymeraseprotein (PA), hæmagglutinin (HA), nukleoprotein (NP), neuraminidase (NA), matrixprotein 1 (Ml), matrixprotein 2 (M2), ikke- strukturprotein 1 (NSI) og ikke-strukturprotein 2 (NS2); og ii) dyrkning af cellerne, hvorved der frembringes influenzaviruspartikler.
11. Fremgangsmåde ifølge krav 9 eller 10, hvor hundecellerne er nyreceller.
12. Fremgangsmåde krav 10 eller 11, hvor det rekombinante influenzavirus er et reassortant virus.
13. Fremgangsmåde ifølge et hvilket som helst af kravene 10- 12, hvor frembragte influenzapartikler er infektiøse.
14. Fremgangsmåde ifølge et hvilket som helst af kravene 10- 13, hvor mRNA'et koder for hæmagglutininet (HA) og neuraminidasen (NA) fra en patogen influenzastamme.
15. Fremgangsmåde ifølge et hvilket som helst af kravene 10- 14, hvor mRNA'et koder for polymerase-basisprotein 2 (PB2), polymerase-basisprotein 1 (PB1), surt polymeraseprotein (PA), hæmagglutinin (HA), nukleoprotein (NP), neuraminidase (NA), matrixprotein 1 (Ml), matrixprotein 2 (M2), ikke- strukturprotein 1 (NSI) og ikke-strukturprotein 2 (NS2) fra en svækket influenzastamme.
16. Fremgangsmåde ifølge et hvilket som helst af kravene 10- 15, hvor det rekombinante virus er valgt fra gruppen bestående af: et kuldetilpasset influenzavirus, et svækket influenzavirus, et temperaturfølsomt influenzavirus og et svækket, temperaturfølsomt, kuldetilpasset influenzavirus.
17. Fremgangsmåde ifølge krav 16, hvor den svækkede influenzastamme er valgt fra gruppen bestående af A/Ann Arbor/6/60, B/Ann Arbor/1/66, B/Leningrad/14/17/55, B14/5/1, B/USSR/60/69, B/Leningrad/179/86, B/Leningrad/14/55, B/England/2608/76 og A/Puerto Rico/8/34.
18. Ekspressionsvektor pAD4000 ifølge SEQ ID NO: 29.
DK07760860.2T 2006-04-19 2007-04-18 Fremgangsmåder og sammensætninger til ekspression af viralt negativ-sense-rna i hundeceller DK2016194T3 (da)

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US79352206P 2006-04-19 2006-04-19
US79352506P 2006-04-19 2006-04-19
PCT/US2006/023867 WO2007002008A2 (en) 2005-06-21 2006-06-20 Methods and compositions for expressing negative-sense viral rna in canine cells
US11/455,734 US20060286591A1 (en) 2005-06-21 2006-06-20 Methods and compositions for expressing negative-sense viral RNA in canine cells
US11/501,067 US7790434B2 (en) 2005-06-21 2006-08-09 Methods and compositions for expressing negative-sense viral RNA in canine cells
PCT/US2007/066895 WO2007124327A2 (en) 2006-04-19 2007-04-18 Methods and compositions for expressing negative-sense viral rna in canine cells

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JP (1) JP5491173B2 (da)
KR (1) KR101436176B1 (da)
CN (1) CN101528941B (da)
AU (1) AU2007240448B8 (da)
BR (1) BRPI0710626A2 (da)
CA (1) CA2646526C (da)
DK (1) DK2016194T3 (da)
ES (1) ES2539514T3 (da)
MX (1) MX2008013388A (da)
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WO2007124327A2 (en) 2007-11-01
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