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Expression of matrix metalloproteinases in Marek's disease tumours

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Marek's disease is an important lymphoproliferative neoplasm of chickens, caused by oncogenic strains of herpes virus. Visceral lymphomas and invasion of both central nervous tissues and peripheral nerves by lymphoid cells are common findings. Matrix metalloproteinases (MMPs) are a group of enzymes responsible for extracellular matrix degradation and tumour metastases. The localisations of MMPs in tumour cells were evaluated immunohistochemically. As a result, positive reactions for MMP-9 and MMP-2 enzymes were found in the lymphoid tumour cells. These enzymes may take part in the pathogenesis of Marek's disease causing extracellular matrix degradation and metastasis.


Document Type: Research Article


Publication date: 2012-06-01

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  • Avian Biology Research provides a forum for the publication of research in every field of ornithology. It covers all aspects of pure and applied ornithology for wild or captive species as well as research that does not readily fit within the publication objectives of other ornithological journals. By considering a wide range of research fields for publication, Avian Biology Research provides a forum for people working in every field of ornithology. The journal also includes sections on avian news, conference diary and book reviews.

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