نتایج جستجو برای: human rotavirus
تعداد نتایج: 1649180 فیلتر نتایج به سال:
Acute gastroenteritis has been demonstrated to be a major cause of morbidity and mortality of children in both developed and developing countries (12, 13). It has been well established that virtually every child has become infected with a rotavirus at least once by 3 years of age (15, 17). The rotaviruses, which comprise a genus in the family Reoviridae, are spherical in appearance and measure ...
Human rotaviruses were isolated from asymptomatic neonates at various hospitals and clinics in the city of Bangalore, India, and were found to be subgroup I specific and possess long RNA patterns (M. Sukumaran, K. Gowda, P. P. Maiya, T. P. Srinivas, M. S. Kumar, S. Aijaz, R. R. Reddy, L. Padilla, H. B. Greenberg, and C. D. Rao, Arch. Virol. 126:239-251, 1992). Three of these strains were adapte...
To gain more insight into interspecies transmission of rotavirus group A, human and animal fecal samples were collected between 1997 and 2001 in The Netherlands. A total of 110 human stool samples were successfully P and G genotyped by reverse transcriptase PCR. All strains belonged to the main human rotavirus genotypes G1 to G4, G9, [P4], [P6], [P8], and [P9]. [P8]G1 was predominant, and 5.5% ...
Seven rotavirus strains were isolated in cell cultures from the intestinal contents of piglets with diarrhea. MA104 cells with pancreatin in the cell culture medium was the host system of choice for virus isolation and replication. A cell culture immunofluorescence test in which MA104 cells were used in microtiter plates was very effective for detecting and assaying rotaviruses. A plaque reduct...
The outer capsid protein of rotavirus, VP7, is a major neutralization antigen. A chimeric protein comprising Escherichia coli (E. coli) outer membrane protein A (OmpA) and part of porcine rotavirus VP7 containing all three antigenic regions (217 amino acids) was expressed in Salmonella and E. coli as an outer-membrane associated protein. Mice immunized intraperitoneally or orally, respectively,...
In the fields of infectious diseases, a variety of immunoassay methods has been reported. More simple, rapid and cost-effective manual tests for infectious diseases are needed. For the purpose of simple diagnosis of rotavirus infection, a rapid test against human rotavirus was developed. As for the preparation of the reagent, clinically isolated human rotavirus was cultured using MA-104 cells. ...
6 Group A rotavirus is one of the most common causes of severe diarrhoea in 7 human infants and newborn animals. Rotavirus virions are triple layered particles. The 8 outer capsid proteins VP4 and VP7 are highly variable and represent the major 9 neutralizing antigens. The inner capsid protein VP6 is conserved among group A 10 rotavirus, is highly immunogenic and is the target antigen of most i...
Rotavirus genomic RNAs, derived from a series of human isolates that exhibit variability in the pattern of migration of the double-stranded RNA on polyacrylamide gels, were transferred to diazobenzyloxymethyl paper, and their sequence diversity was investigated. Hybridization of cDNA probes prepared from the 11 segments of rotavirus RNA indicated that considerable sequence diversity exists amon...
Acute gastroenteritis has been demonstrated to be a major cause of morbidity and mortality of children in both developed and developing countries (12, 13). It has been well established that virtually every child has become infected with a rotavirus at least once by 3 years of age (15, 17). The rotaviruses, which comprise a genus in the family Reoviridae, are spherical in appearance and measure ...
Clearance of chronic murine rotavirus infection in SCID mice can be demonstrated by adoptive transfer of immune CD8+ T lymphocytes from histocompatible donor mice immunized with a murine homotypic rotavirus (T. Dharakul, L. Rott, and H.B. Greenberg, J. Virol 64:4375-4382, 1990). The present study focuses on the protein specificity and heterotypic nature of cell-mediated clearance of chronic mur...
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