Recombinant RSV virus expression systems and vaccines
US6830748B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1999 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Aug 3, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2840/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to genetically engineered recombinant respiratory syncytial viruses and viral vectors which contain deletions of various viral accessory gene(s) either singly or in combination. In accordance with the present invention, the recombinant respiratory syncytial viral vectors and viruses are engineered to contain complete deletions of the M2-2, NS1, NS2, or SH viral accessory genes or various combinations thereof. In addition, the present invention relates to the attenuation of respiratory syncytial virus by mutagenisis of the M2-1 gene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.