Abstract：
BACKGROUND:ALL1-fused from chromosome 1q (AF1q), originally considered as an oncogenic factor, has been implicated in neuronal development; however, its upstream regulatory mechanisms in neural system remained elusive. RESULTS:Our study showed that REST (RE1 silencing transcription factor), a key transcription factor in neurodevelopment, could down-regulate the gene expression of AF1q. The promoter assay identified a neuron-restrictive silencer element at -383 to -363 bp of human AF1q promoter. Electrophoretic mobility shift assay (EMSA) and chromatin immunoprecipitation (CHIP) confirmed the binding of REST to the NRSE in AF1q gene promoter. Additionally, the negative correlation between the expression levels of Af1q and Rest in mice neurodevelopment supported the negative regulation of AF1q by REST and the potential functions of AF1q in neurodevelopment. CONCLUSION:These results demonstrate that REST regulates AF1q gene transcription through directly binding to a NRSE at -383 to -363 bp of AF1q promoter.
journal_name
BMC Mol Bioljournal_title
BMC molecular biologyauthors
Hu Y,Sun Q,Zhang C,Sha Q,Sun Xdoi
10.1186/s12867-015-0043-7subject
Has Abstractpub_date
2015-09-05 00:00:00pages
15issn
1471-2199pii
10.1186/s12867-015-0043-7journal_volume
16pub_type
杂志文章abstract：BACKGROUND:Naturally occurring tRNAs contain numerous modified nucleosides. They are formed by enzymatic modification of the primary transcripts during the complex RNA maturation process. In model organisms Escherichia coli and Saccharomyces cerevisiae most enzymes involved in this process have been identified. Interes...
journal_title：BMC molecular biology
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