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Thursday, April 5, 2018 4:16 AM | Venöse Multiple Sklerose, CVI & SVI, CCSVI Volg link
Epstein-Barr virus encoded EBNA-3 binds to vitamin D receptor and blocks activation of its target genes.

Abstract

Epstein-Barr virus (EBV) is a human gamma herpes virus that infects B cells and induces their transformation into immortalized lymphoblasts that can grow as cell lines (LCLs) in vitro. EBNA-3 is a member of the EBNA-3-protein family that can regulate transcription of cellular and viral genes. The identification of EBNA-3 cellular partners and a study of its influence on cellular pathways are important for understanding the transforming action of the virus. In this work, we have identified the vitamin D receptor (VDR) protein as a binding partner of EBNA-3. We found that EBNA3 blocks the activation of VDR-dependent genes and protects LCLs against vitamin-D3-induced growth arrest and/or apoptosis. The presented data shed some light on the anti-apoptotic EBV program and the role of the EBNA-3-VDR interaction in the viral strategy.

https://www.ncbi.nlm.nih.gov/pubmed/20593215
Venöse Multiple Sklerose, CVI & SVI, CCSVI