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CD45 (leukocyte common) antigen is a hemopoietic cell-specific tyrosine phosphatase essential for antigen receptor-mediated signaling in lymphocytes. The molecule undergoes complex alternative splicing in the extracellular domain, and different patterns of CD45 splicing are…

A polyclonal competitive enzyme-linked immunosorbent assay (PC-ELISA) is described for detection of antibodies to Ehrlichia (Cowdria) ruminantium by using a soluble extract of endothelial cell culture-derived E. ruminantium as the antigen and biotin-labeled polyclonal goat…

Human rhinoviruses (HRV) are responsible for the majority of virus infections of the upper respiratory tract. Furthermore, HRV infection is associated with acute exacerbation of asthma and other chronic respiratory diseases of the lower respiratory tract. A small animal…

Twenty pigs were inoculated with a virulent classical swine fever virus isolate: to determine the mechanism responsible for thrombocytopenia using histopathologic, ultrastructural, and immunohistochemical (detection of viral antigens gp55 and FVIII-rag) techniques. In…

The major antigenic protein I (MAPI) of the tick-borne rickettsial pathogen Cowdria ruminantium is encoded by a multigene family containing conserved and variable genes. The part of a focus containing the map1 multigene family that was characterized contained three…

Ehrlichia (previously Cowdria) ruminantium, the pathogen which causes heartwater in domestic and wild ruminants, can now be propagated in cell lines from one vector (Amblyomma variegatum) and five non-vector (Ixodes scapularis, I. ricinus, Boophilus decoloratus, B. microplus…