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Cell Journal، جلد ۱۷، شماره ۳، صفحات ۵۷۶-۵۸۱
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عنوان انگلیسی Restoration of CpG Methylation in The Egf Promoter Region during Rat Liver Regeneration
چکیده انگلیسی مقاله Epidermal growth factor (EGF) is an important factor for healing after tissue damage in diverse experimental models. It plays an important role in liver regeneration (LR). The objective of this experiment is to investigate the methylation variation of 10 CpG sites in the Egf promoter region and their relevance to Egf expression during rat liver regeneration. As a follow up of our previous study, rat liver tissue was collected after rat 2/3 partial hepatectomy (PH) during the re-organization phase (from days 14 to days 28). Liver DNA was extracted and modified by sodium bisulfate. The methylation status of 10 CpG sites in Egf promoter region was determined using bisulfite sequencing polymerase chain reaction (PCR), as BSP method. The results showed that 3 (sites 3, 4 and 9) out of 10 CpG sites have strikingly methylation changes during the re-organization phase compared to the regeneration phase (from 2 hours to 168 hours, P=0.002, 0.048 and 0.018, respectively). Our results showed that methylation modification of CpGs in the Egf promoter region could be restored to the status before PH operation and changes of methylation didn’t affect Egf mRNA expression during the re-organization phase.
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نویسندگان مقاله deming li | deming li


ziwei li | ziwei li


xueqiang گیو | xueqiang guo


cunshuan xu | cunshuan xu


نشانی اینترنتی http://celljournal.org/journal/article/abstract/20
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