Defective de novo methylation of viral and cellular DNA sequences in ICF syndrome cells

10/24/02


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Table of Contents

Defective de novo methylation of viral and cellular DNA sequences in ICF syndrome cells

Overview

DNA methylation

CpG distribution

Enzymes

Enzymes

Role of DNA methylation

ICF syndrome

ICF syndrome phenotype

What is known up to now?

Objectives:

Approach

Advantages of EBV-based system

Methods

Bisulfite genomic sequencing

Methylation specific PCR

EBV genome

MSP analysis of Cp and Wp

Expression from Cp and Wp

EBV genome

BGS analysis of Rp

Semiquantative RT-PCR of Zp and Rp

RT-PCR analysis of BHRF1 and BLLF1

Summary of analysis of EBV regions

Scheme of the MAGE-A1 and LAGE-1/2 cellular gene promoters

BGS analysis of MAGE-A1 and LAGE-1/2

Quantification of BGS data

Expression from MAGE-A1 and LAGE-1/2

Summary of the analysis of C-T cellular genes

Schematic of SCP-1 gene promoter

MSP methylation analysis of ICF and normal LCLs for SCP-1

SCP-1 expression monitored by RT-PCR

Expression of DNA methyltransferases in ICF cells

Conclusions

Questions

PPT Slide

References:

Author: Anthony S. Serianni

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