Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Proposed mechanism of CTCF binding to the first exon of hTERT gene for transcriptional regulation. CTCF favors binding hairpin structure, whereas quadruplex formation enhanced by CpG methylation impedes CTCF binding and further leads to gene expression.
