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Chimeric mice generated with bone marrow from RelB-deficient (-/-), RelB-heterozygous (+/-) and wild-type (+/+) mice were used to determine how total or partial absence of the transcription factor RelB in haematopoietic cells affects the immune response generated after…

Programmed cell death (apoptosis) is a key mechanism for regulating lymphocyte numbers. Murine lymph node lymphocytes cultured in vitro without added stimuli show significant levels of apoptosis over 24 h, detectable by staining with Annexin V. CD4 and CD8 T lymphocytes from…

The matrix (M) protein of paramyxoviruses forms an inner coat to the viral envelope and serves as a bridge between the surface glycoproteins (F and H) and the ribonucleoprotein core. Previously, a marker vaccine (RPV-PPRFH) was produced for the control of peste des petits…

CD45 is a leukocyte tyrosine phosphatase, essential for normal immune responses. We have studied the function of splenic dendritic cells of CD45(+/+), CD45(-/-), CD45RABC and CD45RO transgenic mice. We show that there are increased numbers of plasmacytoid dendritic cells in…

Variable regions of the African swine fever virus genome, which contain arrays of tandem repeats, were compared in the genomes of isolates obtained over a 40-year period. Comparison of the size of products generated by polymerase chain reaction (PCR) from four different…

A serotype-specific ELISA was developed to detect foot-and-mouth disease virus (FMDV) specific IgA antibody in the saliva of cattle, and the method was evaluated for its feasibility in detecting serotype O FMDV carrier animals, particularly amongst vaccinated cattle that had…

A specific interaction between the F and H proteins is required to enable fusion of the virus and host cell membranes and in some cases these proteins are not interchangeable between related viruses of the family Paramyxoviridae. For example, the F and H proteins of two…

Studies were performed to determine whether a rapid method to detect cell mediated immune responses to foot-and-mouth disease virus (FMDV) could be used either as a diagnostic test or provide a correlate of protection in animals post-vaccination. Using protocols based on the…

There has been much debate about the use of the so-called "vaccinate-to-live" policy for the control of foot-and-mouth disease (FMD) in Europe, according to which, spread of the FMD virus (FMDV) from future outbreaks could be controlled by a short period of "emergency"…

CD45 is known to regulate signalling through many different surface receptors in diverse haemopoietic cell types. Here we report for the first time that CD45(-/-) bone marrow dendritic cells (BMDC) are more activated than CD45(+/+) cells and that tumour necrosis factor (TNF)…