摘要:
Attenuated recombinant viruses containing DNA coding for a canine distemper virus antigen, as well as methods and compositions employing the viruses, are disclosed and claimed. The recombinant viruses can be NYVAC or ALVAC recombinant viruses. The DNA can code for at least one of: canine distemper virus fusion protein and canine distemper virus hemagglutinin glycoprotein. The recombinant viruses and gene products therefrom are useful for eliciting protection against canine distemper virus.
摘要:
What is described is a recombinant poxvirus, such as vaccinia virus, fowlpox virus and canarypox virus, containing foreign DNA from flavivirus, such as Japanese encephalitis virus, yellow fever virus and Dengue virus. In a preferred embodiment, the recombinant poxvirus generates an extracellular particle containing flavivirus E and M proteins capable of inducing neutralizing antibodies, hemagglutination-inhibiting antibodies and protective immunity against flavivirus infection. What is also described is a vaccine containing the recombinant poxvirus for inducing an immunological response in a host animal inoculated with the vaccine.
摘要:
Disclosed and claimed are DNA constructs encoding HSV glycoproteins. The constructs are recombinant vaccinia virus, and host cells infected by the recombinant vaccinia virus are also disclosed and claimed.
摘要:
Disclosed and claimed are nucleotides for genes encoding the canine herpesvirus (CHV) gB, gC and gD homologues. These genes encode polypeptides of 879, 459 and 345 amino acids, respectively, which are also disclosed. The nucleotides can be expressed in any suitable vector system, allowing for production of the polypeptides. Additionally, the vector system containing any or any combination of the nucleotides can be employed in an antigenic, immunological or vaccine composition, such as a poxvirus vector system, e.g., a CHV-vaccinia or avipox virus recombinant, as can the products from expression, i.e., the gB, gC and gD glycoproteins. Antibodies elicited by the glycoproteins or from expression of the vector containing the nucleotide are also useful. Methods for making and using the composition are also disclosed and claimed.
摘要:
What is described is a modified recombinant virus for expressing a gene product in a host. The modified recombinant virus has host range genes deleted therefrom so that the virus has restricted replication in the host. The modified recombinant virus also contains DNA which codes for and expresses the gene product in the host even with restricted replication of the virus in the host. The modified recombinant virus is used in a method for expressing a gene product in a host or in a cell cultured in vitro, and in a vaccine for inducing an immunological response in a host inoculated with the vaccine. What is also described is a selection system for the cloning and expression of open reading frames in poxviruses, particularly vaccinia virus. The selection system is based on a conditional lethal mutant (host range) of poxviruses. A deletion/recombinant mutant of the vaccinia virus was generated which is capable of plaquing on primary chick embryo fibroblasts and two monkey cell lines (BSC-40 or VERO) but is defective in replication in the human cell line MRC-5. Insertion of the host range gene into the deletion/recombinant restores the ability for growth on MRC-5 cells. A series of plasmids were constructed which allow for the rapid single-step cloning and expression of any open reading frame when recombined with the deletion/recombinant and scored for growth on MRC-5 cells.
摘要:
What is described is a recombinant poxvirus, such as vaccinia virus, fowlpox virus and canarypox virus, containing foreign DNA from herpesvirus. In one embodiment, the foreign DNA is expressed in a host by the production of a herpesvirus glycoprotein. In another embodiment, the foreign DNA is expressed in a host by the production of at least two, particularly two or three, herpesvirus glycoproteins. What is also described is a vaccine containing the recombinant poxvirus for inducing an immunological response in a host animal inoculated with the vaccine. By the present invention, the barrier of maternal immunity in a newborn offspring can be overcome or avoided.
摘要:
The present invention provides a method for inducing an immunological response in a vertebrate to a pathogen by inoculating the vertebrate with a synthetic recombinant avipox virus modified by the presence, in a non-essential region of the avipox genome, of DNA from any source which encodes for and expresses an antigen of the pathogen. The present invention further provides a synthetic recombinant avipox virus modified by the insertion therein of DNA from any source, and particularly from a non-avipox source, into a non-essential region of the avipox genome.
摘要:
What are disclosed are methods for modifying the genome of vaccinia virus to produce vaccinia mutants, particularly by the introduction into the vaccinia genome of exogenous DNA; modified vaccinia prepared by such methods; certain DNA sequences and unmodified and genetically modified microorganisms involved as intermediates in such methods; and methods for infecting cells and host animals with such vaccinia mutants to provoke the amplification of exogenous DNA and proteins encoded by the exogenous DNA, including antigenic proteins, by said cells and host animals.
摘要:
What is described is a recombinant poxvirus, such as fowlpox virus, containing foreign DNA from infectious bursal disease virus. What is also described is a vaccine containing the recombinant poxvirus for inducing an immunological response in a host animal inoculated with the vaccine.
摘要:
Attenuated recombinant viruses containing DNA encoding FIPV antigen(s) compositions thereof, as well as methods for making and using the compositions, expression products therefrom, and antibodies generated, are disclosed and claimed. The recombinant viruses can be NYVAC or ALVAC recombinant viruses. The compositions and products therefrom and antibodies generated have several preventive, therapeutic and diagnostic uses.