Home Acta Virologica 2006 Acta Virologica Vol.50, p.59-66, 2006

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Quarterly,
Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

Impact Factor = 1.82

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Acta Virologica Vol.50, p.59-66, 2006

Title: EXPRESSION OF ENTRY RECEPTOR NECTIN-1 OF HERPES SIMPLEX VIRUS 1 AND/OR HERPES SIMPLEX VIRUS 2 IN NORMAL AND NEOPLASTIC HUMAN NERVOUS SYSTEM TISSUES
Author: G. GUZMAN, S. OH, D. SHUKLA, H.H. ENGELHARD, T. VALYI-NAGY
Abstract: Herpes simplex virus 1 and/or Herpes simplex virus 2 (HSV) are important pathogens of human nervous system (NS) and genetically modified HSV strains have been proposed as vectors for gene therapy targeting the brain and brain tumors. Nectin-1 is an immunoglobulin-like adhesion molecule that participates in the formation of synapses and serves as an entry receptor for HSV. The expression pattern of nectin-1 in normal human NS and brain tumors is not well understood. To better understand the nectin-1 expression in normal and neoplastic human NS, immunohistochemistry was used to detect the nectin-1 expression in sections of normal human brain, spinal cord and trigeminal and dorsal root ganglia (n=10) and in sections of primary NS neoplasms (n=22). In normal human NS, nectin-1 was detected in the soma and processes of central and peripheral neurons, in ependymal cells, choroid plexus epithelial cells, vascular endothelial cells and meningothelial cells. Oligodendrocytes, astrocytes, vascular smooth muscle cells, and Schwann cells showed variable immunoreactivity. Among tumors, schwannoma, fibrous meningioma, and medulloblastoma were nectin-1 negative. Oligodendroglioma, ependymoma, pilocytic astrocytoma, pleomorphic xanthoastrocytoma, diffuse astrocytoma, anaplastic astrocytoma, glioblastoma multiforme and meningothelial meningioma showed weak focal nectin-1- positivity. Ganglion cells of ganglioglioma were strongly positive. These studies provide novel information about the expression of nectin-1 in normal and neoplastic NS, and thus may lead to a better understanding of cell targeting by HSV during HSV-induced neurological disease and during a HSV-based gene therapy.
Keywords: nectin-1; Herpes simplex virus 1; Herpes simplex virus 2; cell adhesion; brain tumor; glioblastoma multiforme; gene therapy
Year: 2006, Volume: 50, Issue: Page From: 59, Page To: 66
Price: 19.20 €





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