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Class 435/237 - By serial passage of virus


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter which involves attenuation of a virus by
No. of patents: 232
Last issue date: 04/03/2012


1            
NumberTitleIssue Date
8148132Production of viral vaccines in suspension on avian embryonic derived stem cell lines
The present invention relates to the development and manufacturing of viral vaccines, particularly the industrial production of viral vectors and vaccines, and more particularly the use of avian embryonic stem cells, preferably the EBx cell line derived from chicken...
04/03/2012
7384644Modified Vaccinia Ankara virus variant
The present invention provides an attenuated virus, which is derived from Modified Vaccinia Ankara virus and characterized by induction of protective immunity against a lethal vaccinia virus infection in a mouse, whereby the effective amount of the MVA-BN virus, or ...
06/10/2008
7344723Self-replicating RNA molecule from hepatitis C virus
A unique HCV RNA molecule is provided having an enhanced efficiency of establishing cell culture replication. Novel adaptive mutations have been identified within the HCV non-structural region that improves the efficiency of establishing persistently replicating HCV...
03/18/2008
7309493Inactivated bovine scours vaccines, process and method of preventing bovine scours
Inactivated scours vaccines for immunization and protection of bovine animals from disease caused by infection with bovine rotavirus and bovine coronavirus, which comprise and effective amount of at least one inactivated viral strain are described. Polyvalent inacti...
12/18/2007
7291342Infectious bronchitis virus vaccine
Embodiments of the present invention generally relate to a novel attenuated infectious bronchitis virus (IBV) of GA-98 isolate. Further, other embodiments of the present invention generally relate to methods of immunizing avian against an infectious bronchitis virus...
11/06/2007
7270990Virus production
An improved process for recovery of virus from allantoic fluid of virus-infected chick embryos. Virus associated with granular and fibrous debris in the allantoic fluid can be disassociated from the debris and recovered, thereby increasing viral yield. Dissociation ...
09/18/2007
7264802Proteins encoded by polynucleic acids of porcine reproductive and respiratory syndrome virus (PRRSV)
The present invention provides a purified preparation containing, for example, at least one polypeptide selected from the group consisting of proteins encoded by one or more open reading frames (ORF's) of an Iowa strain of porcine reproductive and respiratory syndro...
09/04/2007
7235393Method for direct rescue and amplification of integrated viruses from cellular DNA of tissues
A method for isolating AAV viruses from cellular DNA of non-human primate (NHP) tissues by transfecting the DNA of NHP into 293 cells, rescuing the virus and amplifying it through serial passages in the presence of adenovirus helper functions is provided. Also provi...
06/26/2007
7189536Modified vaccinia ankara virus variant
The present invention provides an attenuated virus, which is derived from Modified Vaccinia Ankara virus and characterized by the loss of its capability to reproductively replicate in human cell lines. It further describes recombinant viruses derived from this virus...
03/13/2007
RE39494Inactivated mycoplasma hyopneumoniae and uses therefor
The invention relates to a method for making an inactivated vaccine of Mycoplasma hyopneumoniae by inactivating the bacteria with Thimerosal. The resulting bacterin is mixed with an adjuvant of aluminum hydroxide and DEAE dextran and injected into pigs. The r...
02/27/2007
7150984Attenuated human rotavirus vaccine
The present invention provides vaccine compositions of attenuated human rotavirus. More particularly, the attenuated human rotavirus is produced by cold passage and thus contains attenuating mutations which produce virus having a cold-adapted (ca) and temperature se...
12/19/2006
7037508Pestivirus mutants and vaccines containing the same
The present invention is directed to attenuated pestivirus mutants, which have a reduced ability to replicate as exhibited by a small plaque size. The mutations are in the 5′ nontranslated region of the viral genome. These mutant viruses are useful as live vaccine...
05/02/2006
7029682Inactivated vaccine against feline calicivirosis
Immunogenic preparations and vaccines, in particular which are inactivated, effective against feline calicivirosis, based on an FCV virus strain 431 as deposited at the CNCM under the accession number CNCM I-2166, or one of its equivalents, in a veterinarily accepta...
04/18/2006
6982160Immunogenic compositions that include SIRS virus
The invention includes kits for producing and using immunogenic compositions that include swine infertility and respiratory virus. The invention also includes vaccines and sera for treatment of Mystery Swine Disease (MSD), a method for producing the vaccine, methods...
01/03/2006
6974577Inactivated bovine scours vaccines, processes and method of preventing bovine scours
Inactivated scours vaccines for immunization and protection of bovine animals from disease caused by infection with bovine rotavirus and bovine coronavirus, which comprise and effective amount of at least one inactivated viral strain are described. Polyvalent inacti...
12/13/2005
6946136Temperature-sensitive and cold-adapted human parainfluenza virus type 2 (HPIV-2) and vaccines based on such virus
The present invention relates to isolated, attenuated viral strains of human parainfluenza virus 2 (HPIV-2), which are useful in live vaccine preparations. These strains exhibit a temperature sensitive and cold adapted phenotype useful for stimulating a protective i...
09/20/2005
6852522Methods and interferon deficient substrates for the propagation of viruses
The present invention relates, to novel methods and substrates for the propagation of viruses. The invention relates to IFN-deficient substrates and methods for propagating viruses in these unconventional substrates. In particular, the invention relates to methods o...
02/08/2005
6833133Escape mutants of Newcastle disease virus as marker vaccines
A vaccine against Newcastle Disease contains one or more mutant immunogens of the NDW strain. The mutant immunogen lacks the antigenic binding site on the F glycoprotein which is recognized by the monoclonal antibody mAb 54. Reagent kits and assay methods help to di...
12/21/2004
6803041Equine herpesvirus vaccine
A vaccine for protecting a horse against diseases associated with EHV-1 and/or EHV-4 is provided. The vaccine commonly includes inactivated EHV-1 (e.g., chemically inactivated EHV-1 KyA virus) and an adjuvant. The adjuvant can include a cross-linked olefinically uns...
10/12/2004
6761893Modified vaccinia ankara virus variant
The present invention provides an attenuated virus, which is derived from Modified Vaccinia Ankara virus and characterized by the loss of its capability to reproductively replicate in human cell lines. It further describes recombinant viruses derived from this virus...
07/13/2004
6682743Altered strain of the modified vaccinia virus ankara (MVA)
The invention provides new strains of the Modified Vaccinia Virus Ankara (MVA) that have a strongly reduced virulence for most mammals, especially humans, but nevertheless grows in cells of a continuous cell line approved for the production of a therapeut...
01/27/2004
6660272Porcine circoviruses, vaccines and diagnostic reagents
The invention relates to new porcine circovirus strains isolated from pulmonary or ganglionic samples obtained from farms affected by the post-weaning multisystemic wasting syndrome (PMWS). It relates to purified preparations of these strains, conventiona...
12/09/2003
6649169Cold-adapted equine influenza viruses
The present invention provides experimentally-generated cold-adapted equine influenza viruses, and reassortant influenza A viruses comprising at least one genome segment of such an equine influenza virus, wherein the equine influenza virus genome segment ...
11/18/2003
6632647Use of strains of parapoxvirus ovis against organ fibrosis
The present invention relates to the use, in humans, of inactivated parapoxviruses for the prophylaxis and treatment of diseases which are accompanied by an increased deposition of collagen, with it being possible for both internal organs, such as the liv...
10/14/2003
6605460Avian pneumovirus vaccine
Compositions and methods for ameliorating the clinical signs of an avian pneumovirus infection in a bird are disclosed. The compositions include immunologically effective amounts of an attenuated or inactivated avian pneumovirus. Methods for preparing an ...
08/12/2003
6573079Methods and interferon deficient substrates for the propagation of viruses
The present invention relates, to novel methods and substrates for the propagation of viruses. The invention relates to IFN-deficient substrates and methods for propagating viruses in these unconventional substrates. In particular, the invention relates t...
06/03/2003
6534066Inactivated vaccine against feline calicivirosis
Immunogenic preparations and vaccines, in particular which are inactivated, effective against feline calicivirosis, based on an FCV virus strain 431 as deposited at the CNCM under the accession number CNCM I-2166, or one of its equivalents, in a veterinar...
03/18/2003
6511667Attenuated dengue-2 virus vaccine
The present invention provides vaccine compositions of attenuated dengue-2 virus. More specifically, the attenuated virus is produced by serial passage in PDK cells. The invention also provides methods for stimulating the immune system of an individual to...
01/28/2003
6436408Cold -adapted equine influenza viruses
The present invention provides experimentally-generated cold-adapted equine influenza viruses, and reassortant influenza A viruses comprising at least one genome segment of such an equine influenza virus, wherein the equine influenza virus genome segment ...
08/20/2002
6423318Hepatitis A virus vaccines
A live hepatitis A virus adapted to growth in MRC-5 cells, which HAV is preferably characterized by suitable attenuation for effective vaccine administration to humans and animals without inactivation, methods for adapting HAV to growth in MRC-5, vaccine ...
07/23/2002
6416764Vaccine
A vaccine comprises a non-cytopathogenic strain of bovine viral diarrhea virus, grown in a bovine derived cell line such as MDBK and killed, for example with ଲ-propiolactone. The adjuvant is Quil A....
07/09/2002
6410297Processes for preparation of Marek's disease virus using continuous avian cell lines
The present invention relates to avian cell lines which efficiently support the growth and productive infection of Marek's Disease Virus at high titers. The present invention also relates to avian cell lines which have been engineered to support the growt...
06/25/2002
6309650Attenuated Japanese encephalitis virus adapted to Vero cell and a Japanese encephalitis vaccine
An attenuated Japanese encephalitis virus adapted to Vero cell by passages on Vero cell is disclosed. A Japanese encephalitis vaccine comprising said attenuated virus is also disclosed....
10/30/2001
6291228Vaccine
A vaccine comprises a non-cytopathogenic strain of bovine viral diarrhoea virus, grown in a bovine derived cell line such as MDBK and killed, for example with ଲ-propiolactone. The adjuvant is Quil A....
09/18/2001
6284254Immunogenic compositions comprising cold-adapted attenuated respiratory syncytial virus mutants
The respiratory syncytial virus (RSV) is a major cause of lower respiratory tract disease in infants and children throughout the world. RSV is a major cause of pneumonia and bronchiolitis in infants under one year of age, and is a major cause of fatal res...
09/04/2001
6270770Chicken anaemia agent broiler vaccine
The present invention for the first time discloses a health problem in broilers at about 3-5 weeks, resulting in significant production losses, and demonstrates that these production losses can be prevented by a live attenuated CAA vaccine for mucosal adm...
08/07/2001
6251654Modified small RNA viruses
Small RNA viruses and virus-like particles (VLPs) have altered or substituted Ig-like domains so as to modify host cell tropism. The invention also relates to the use of such small RNA viruses and VLPs in insecticidal and medicinal applications....
06/26/2001
6241990Immunogenic composition containing inactivated swine infertility and respiratory Syndrome virus
The invention includes a vaccine and sera for treatment of Mystery Swine Disease (MSD), a method for producing the vaccine, methods for diagnosis of MSD, a viral agent that will mimic "mystery swine disease" and antibodies to the viral agent useful in dia...
06/05/2001
6210683Stabilizers containing recombinant human serum albumin for live virus vaccines
Compositions are provided for improving the stability of live virus vaccines containing, e.g., live varicella zoster, measles, mumps, and rubella viruses. Such improved stabilizers are aqueous solutions containing recombinant human serum albumin (rHA) as ...
04/03/2001
6180110Attenuated hepatitis a virus vaccine which grows in MRC-5 cells
A live hepatitis A virus (HAV) adapted to grow in MRC-5 cells is described, the HAV preferably characterized by suitable attenuation for effective vaccine administration to humans and animals without inactivation. Methods for adapting HAV to grow in MRC-5...
01/30/2001
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