alexa Detection of human cytomegalovirus genome and gene products in central nervous system tumours.
Oncology

Oncology

Journal of Carcinogenesis & Mutagenesis

Author(s): Sabatier J, UroCoste E, Pommepuy I, Labrousse F, Allart S,

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Abstract Human cytomegalovirus (HCMV) genome and related proteins have been reported in a great proportion of malignant gliomas. However, these results are unexpected since HCMV is not known as an oncogenic virus. By immunohistochemistry (with an anti-IE1 monoclonal antibody) and in situ hybridisation (with biotinylated DNA probes) on tissue microarrays and frozen sections, we investigated a French series of central nervous system (CNS) tumours, including 97 glioblastomas. In 10 cases of glioblastoma, rare astrocyte-like cells, admixed with tumour cells, stained positively for HCMV and in one case a doubtful staining of rare cells was noticed. This may indicate a reactivation of the virus under local immunosuppression but none of the cases of CNS tumours (n=132) contained HCMV genomes and/or proteins in a significant proportion of tumour cells. Our results strongly suggest that HCMV is unlikely to be implicated in the development of human malignant gliomas, at least in French cases.
This article was published in Br J Cancer and referenced in Journal of Carcinogenesis & Mutagenesis

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