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Background: The chemokine and chemokine receptor families play critical roles in both the healthy and diseased organism mediating the migration of cells. The chemokine system is complex in that multiple chemokines can bind to one chemokine receptor and vice versa. Although…

Conformational transitions in the prion protein (PrP) are thought to be central to the pathogenesis of the transmissible spongiform encephalopathies (TSE), such as Creutzfeldt-Jacob disease and bovine spongiform encephalopathy. Studies of prion phenomena in yeast have shown…

Developmental lesions of the central nervous system (CNS) have been described associated with transplacental infection with bluetongue virus (BTV) in cattle (MacLachlan and others 1985) and sheep (Osburn 1972). In the past, the development of these deformations was mostly…

A quarantine period for potentially contaminated personnel can be used to reduce the risk of transfer of foot-and-mouth disease virus (FMDV) from infected to susceptible premises. This is set at 72 hours in the UK, on the basis of results from laboratory studies and field…

A cDNA encoding the chicken orthologue of dendritic cell-lysosomal associated membrane protein (DC-LAMP)/CD208 was cloned by RT-PCR from RNA isolated, from mature chicken bone marrow-derived dendritic cells (chBM-DCs). The cloned chicken DC-LAMP (chDC-LAMP) cDNA consists of…

Dendritic cells (DCs) are bone marrow-derived professional antigen-presenting cells. The in vitro generation of DCs from either bone marrow or blood is routine in mammals. Their distinct morphology and phenotype and their unique ability to stimulate naïve T cells are used to…

Micro(mi)RNAs are a class of small non-coding RNAs that play critical roles in the induction of various cancers, including lymphomas induced by oncogenic viruses. While some of the miRNAs are oncogenic, miRNAs such as miR-26a are consistently downregulated in a number of…

During an investigation of arboviruses in China, a novel dsRNA virus was isolated from adult female Armigeres subalbatus. Full genome sequence analysis showed the virus to be related to members of the family Totiviridae, and was therefore named ‘Armigeres subalbatus…

The African swine fever virus (ASFV) DP71L protein is present in all isolates as either a short form of 70 to 72 amino acids or a long form of about 184 amino acids, and both of these share sequence similarity to the C-terminal domain of the herpes simplex virus ICP34.5…

CD4 is a molecule commonly expressed on the surface of T-helper lymphocytes with a recognized critical role in the antigen presentation process that has also been reported in monocytes and macrophages, although its role in these cells remains unknown. The objective of the…