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Production of interferon by Theileria annulata and Theileria parva infected bovine lymphoid cell lines



Production of interferon by Theileria annulata and Theileria parva infected bovine lymphoid cell lines



Parasitology Research 79(3): 178-182



Theileria annulata- and T. parva-infected lymphoblastoid cells were examined for their capacity to produce interferon (IFN). Supernatants of such cells were tested in biological assay for their antiviral activity. Only T. parva-infected cells of T-cell origin were capable of producing IFN-gamma. Supernatants of some but not all T. annulata-infected cells showed also antiviral activity, which was greatly reduced after exposure to a pH of 2. Northern-blot analysis of the cells using an IFN-gamma cDNA probe confirmed the results obtained for T. parva-infected cells in a biological assay. No IFN-gamma mRNA was detected in T. annulata-infected cells. The importance of IFN for the pathogenesis of theileriosis is discussed.

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Accession: 009251118

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