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Recombinant type 5 adenoviruses expressing bovine parainfluenza virus type 3 glycoproteins protect Sigmodon hispidus cotton rats from bovine parainfluenza virus type 3 infection. 1995

M M Breker-Klassen, and D Yoo, and S K Mittal, and S D Sorden, and D M Haines, and L A Babiuk
Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada.

Cotton rats were used to study the replication and pathogenesis of bovine parainfluenza virus type 3 (bPIV3) and to test the efficacy of the F and HN glycoproteins in modulating infection. In vitro cultures of cotton rat lung cells supported the growth of bPIV3 as shown by virus recovery, immunofluorescence, immunoprecipitation, and syncytium induction. Intranasal (i.n.) inoculation of cotton rats with 10(7) PFU resulted in peak recovery of virus after 2 days (8 x 10(4) PFU/g of lung tissue) and significant bronchiolitis with lymphocyte infiltration 5 to 7 days postinfection. Immunohistochemical staining of lungs and trachea demonstrated that virus antigen-positive cells increased in frequency over the course of infection to a maximum on day 5. Serum antibody responses were evaluated by enzyme-linked immunosorbent assays (ELISA), hemagglutination inhibition (HAI), and serum neutralization (SN). Following a single i.n. inoculation, serum antibody levels were 1/40,960, 1/32, and 1/80, as detected by ELISA, HAI, and SN, respectively. When an intramuscular inoculation of 10(7) PFU was administered 10 days prior to the i.n. inoculation, a secondary response which resulted in an ELISA titer of 1/163,000, an HAI titer of 1/640, and an SN titer of 1/512 was induced. IN inoculation of recombinant adenoviruses type 5 containing the bPIV3 F or HN protein or a combination of the two viruses protected cotton rats from bPIV3 challenge. Protection was evaluated serologically by ELISA, HAI, and SN titers, histopathology, immunohistochemistry, and virus recovery.

UI MeSH Term Description Entries
D008297 Male Males
D010224 Parainfluenza Virus 3, Human A species of RESPIROVIRUS frequently isolated from small children with pharyngitis, bronchitis, and pneumonia. Hemadsorption Virus 1,Human parainfluenza virus 3,Para-Influenza Virus Type 3,Parainfluenza Virus Type 3,Para Influenza Virus Type 3
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
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
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D006023 Glycoproteins Conjugated protein-carbohydrate compounds including MUCINS; mucoid, and AMYLOID glycoproteins. C-Glycosylated Proteins,Glycosylated Protein,Glycosylated Proteins,N-Glycosylated Proteins,O-Glycosylated Proteins,Glycoprotein,Neoglycoproteins,Protein, Glycosylated,Proteins, C-Glycosylated,Proteins, Glycosylated,Proteins, N-Glycosylated,Proteins, O-Glycosylated
D000260 Adenoviruses, Human Species of the genus MASTADENOVIRUS, causing a wide range of diseases in humans. Infections are mostly asymptomatic, but can be associated with diseases of the respiratory, ocular, and gastrointestinal systems. Serotypes (named with Arabic numbers) have been grouped into species designated Human adenovirus A-G. APC Viruses,APC Virus,Adenovirus, Human,Human Adenovirus,Human Adenoviruses
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
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

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