Is the presence of HCMV components in CNS tumors a glioma-specific phenomenon?

Virology Journal
Daling DingJianrui Sun

Abstract

Human cytomegalovirus (HCMV) has been associated with malignant gliomas. The purpose of the present study was to investigate the presence of HCMV in common non-glial tumors of the central nervous system (CNS) and to determine whether it is a glioma-specific phenomenon. Using HCMV-specific immunohistochemical staining, HCMV proteins IE1-72 and pp65 were examined in 65 meningiomas (benign, atypical and malignant), 45 pituitary adenomas, 20 cavernous hemangiomas, and 30 metastatic carcinomas specimens. HCMV DNA was also measured in these tumor tissues and the peripheral blood from patients using nested PCR. In meningioma, IE1-72 was detected in 3.1% (2/65) and pp65 was detected in 4.6% (3/65), whereas no IE1-72 and pp65 were detected in atypical and malignant meningioma. A low level of IE1-72 immunoreactivity 6.7% (2/30) was detected in metastatic carcinoma; pp65 was not detected. No HCMV components were detected in pituitary adenoma and cavernous hemangioma. The results of immunohistochemical staining were confirmed by HCMV-specific PCR. HCMV DNA was not detected in the peripheral blood of the non-glial CNS tumors patients. Our results demonstrate that the presence of HCMV components is not an entirely glioma-specific phenomenon,...Continue Reading

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Methods Mentioned

BETA
surgical resections
light microscopy
PCR

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