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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Point mutation of neu oncogene in animal peripheral nerve sheath tumors.

Thirty-four peripheral nerve sheath tumors of four domesticated animal species were characterized and assayed for point mutation of the neu oncogene. Based on their morphoimmunophenotype, 32 tumors were classified as schwannomas. Schwannoma morphology was characterized by the presence of Antoni type A and B pattern and immunoreactivity for S-100 protein and vimentin. Two anaplastic and metastatic tumors originating from spinal cord root, immunonegative for S-100 protein and positive for vimentin, were classified as malignant peripheral nerve sheath tumors (MPNSTs). Four malignant schwannomas and two MPNSTs expressed a point mutation of the neu oncogene by the polymerase chain reaction-restriction fragment length polymorphism method. The finding of neu oncogene mutation could be a useful diagnostic genetic marker in the malignant form of peripheral nerve sheath tumors in animals.[1]


  1. Point mutation of neu oncogene in animal peripheral nerve sheath tumors. Stoica, G., Tasca, S.I., Kim, H.T. Vet. Pathol. (2001) [Pubmed]
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