Development of a genetically engineered vaccine against feline leukemia virus infection. 1991

C R Kensil, and C Barrett, and N Kushner, and G Beltz, and J Storey, and U Patel, and J Recchia, and A Aubert, and D Marciani
Cambridge Biotech Corporation, Worcester, MA 01605.

A genetically engineered subunit vaccine against FeLV infection was developed. The protective immunogen in the vaccine was a purified recombinant protein containing the entire amino acid sequence of FeLV subgroup A gp70 envelope protein. The optimal adjuvant was determined to be a highly purified saponin, QS-21, derived from Quillaja saponaria Molina. A vaccine formulation containing the recombinant protein, QS-21, and aluminum hydroxide was tested in specific-pathogen-free kittens and was shown to induce neutralizing antibodies as well as appreciable antibody responses to native gp70 by enzyme immunoassay and protein (western) immunoblot analysis and of whole virus preparations.

UI MeSH Term Description Entries
D007117 Immunization, Secondary Any immunization following a primary immunization and involving exposure to the same or a closely related antigen. Immunization, Booster,Revaccination,Secondary Immunization,Booster Immunization,Booster Immunizations,Immunizations, Booster,Immunizations, Secondary,Revaccinations,Secondary Immunizations
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D005256 Leukemia Virus, Feline A species of GAMMARETROVIRUS causing leukemia, lymphosarcoma, immune deficiency, or other degenerative diseases in cats. Several cellular oncogenes confer on FeLV the ability to induce sarcomas (see also SARCOMA VIRUSES, FELINE). Cat Leukemia Virus,FeLV,Feline Lymphoma Virus,Feline Leukemia Virus,Cat Leukemia Viruses,Feline Leukemia Viruses,Feline Lymphoma Viruses,Leukemia Virus, Cat,Leukemia Viruses, Cat,Leukemia Viruses, Feline,Lymphoma Virus, Feline,Lymphoma Viruses, Feline
D000276 Adjuvants, Immunologic Substances that augment, stimulate, activate, potentiate, or modulate the immune response at either the cellular or humoral level. The classical agents (Freund's adjuvant, BCG, Corynebacterium parvum, et al.) contain bacterial antigens. Some are endogenous (e.g., histamine, interferon, transfer factor, tuftsin, interleukin-1). Their mode of action is either non-specific, resulting in increased immune responsiveness to a wide variety of antigens, or antigen-specific, i.e., affecting a restricted type of immune response to a narrow group of antigens. The therapeutic efficacy of many biological response modifiers is related to their antigen-specific immunoadjuvanticity. Immunoactivators,Immunoadjuvant,Immunoadjuvants,Immunologic Adjuvant,Immunopotentiator,Immunopotentiators,Immunostimulant,Immunostimulants,Adjuvant, Immunologic,Adjuvants, Immunological,Immunologic Adjuvants,Immunological Adjuvant,Adjuvant, Immunological,Immunological Adjuvants
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies
D013047 Specific Pathogen-Free Organisms Animals or humans raised in the absence of a particular disease-causing virus or other microorganism. Less frequently plants are cultivated pathogen-free. Pathogen-Free Organisms,Specific Pathogen Free,Organism, Pathogen-Free,Organism, Specific Pathogen-Free,Organisms, Pathogen-Free,Organisms, Specific Pathogen-Free,Pathogen Free Organisms,Pathogen Free, Specific,Pathogen Frees, Specific,Pathogen-Free Organism,Pathogen-Free Organism, Specific,Pathogen-Free Organisms, Specific,Specific Pathogen Free Organisms,Specific Pathogen-Free Organism
D014611 Vaccination Administration of vaccines to stimulate the host's immune response. This includes any preparation intended for active immunological prophylaxis. Immunization, Active,Active Immunization,Active Immunizations,Immunizations, Active,Vaccinations
D014614 Vaccines, Synthetic Small synthetic peptides that mimic surface antigens of pathogens and are immunogenic, or vaccines manufactured with the aid of recombinant DNA techniques. The latter vaccines may also be whole viruses whose nucleic acids have been modified. Antigens, Synthetic,Chemical Vaccine,Chemical Vaccines,Immunogens, Synthetic,Molecular Vaccine,Molecular Vaccines,Recombinant Vaccine,Semisynthetic Vaccine,Semisynthetic Vaccines,Synthetic Antigen,Synthetic Vaccine,Synthetic Vaccines,Vaccines, Recombinant,Synthetic Antigens,Synthetic Immunogens,Vaccines, Chemical,Vaccines, Molecular,Vaccines, Semisynthetic,Antigen, Synthetic,Recombinant Vaccines,Vaccine, Chemical,Vaccine, Molecular,Vaccine, Recombinant,Vaccine, Semisynthetic,Vaccine, Synthetic

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