Prediction and analysis on methylation of human Sox10 gene promoter

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Prediction and analysis on methylation of human Sox10 gene promoter

更新时间：2026-01-09

- Prediction and analysis on methylation of human Sox10 gene promoter
- Journal of Army Medical University Vol. 35, Issue 20, Pages: 2168-2171(2013)
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  CLC： R394-33;R394.3
- Published：2013
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李文英,余鸿,陈兴书,肖岚.人Sox10基因启动子区高甲基化的预测和验证[J].陆军军医大学学报(原第三军医大学学报),2013,35(20):2168-2171.

　Li Wenying,Yu Hong,Chen Xingshu,Xiao Lan.Prediction and analysis on methylation of human Sox10 gene promoter[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(20):2168-2171.
李文英,余鸿,陈兴书,肖岚.人Sox10基因启动子区高甲基化的预测和验证[J].陆军军医大学学报(原第三军医大学学报),2013,35(20):2168-2171. DOI：

　Li Wenying,Yu Hong,Chen Xingshu,Xiao Lan.Prediction and analysis on methylation of human Sox10 gene promoter[J].J Amry Med Univ (J Third Mil Med Univ),2013,35(20):2168-2171. DOI：

摘要

目的运用生物信息学方法预测人Sox10基因启动子区甲基化情况并进行实验验证。方法从GenBank获取人Sox10 基因序列，利用 Methyprimer 11.0 软件、Li lab、CpG Island Searcher预测其启动子区CpG岛。进一步运用甲基化特异性PCR（methylation specific PCR， MSP）和重亚硫酸盐测序(bisulfite sequencing PCR

BSP)方法检测人Sox10基因启动子区CpG岛在多形性胶质母细胞瘤和瘤周组织中的甲基化情况。结果经过生物信息学分析发现

人Sox10基因启动子区存在2个CpG岛

分别为165 (1 241～1 405) bp和105 (1 478～1 582) bp。针对这两个CpG岛设计引物行MSP和BSP实验，研究发现，在人多形性胶质母细胞瘤和瘤周组织中Sox10基因启动子区CpG岛均出现部分甲基化，其中在多形性胶质母细胞瘤中的甲基化率为90.5％，在瘤周组织中的甲基化率为28.5％。结论本研究证实了人Sox10基因启动子区CpG岛在多形性胶质母细胞瘤中出现高甲基化，提示其表达下调可能受甲基化调节。

Abstract

Objective To investigate the methylation of human Sox10 gene promoter by bioinformatics and exprimental vertification. Methods Human Sox10 gene sequence was obtained from GenBank. CpG island methylation in human Sox10 gene promoter was predicted by Methyprimer software 11.0

Li lab and CpG Island Searcher. Then CpG island methylation status of Sox10 gene promoter was detected in glioblastoma multiforme and adjacent noncancerous tissues by methylation specific PCR (MSP) and bisulfite sequencing PCR (BSP). Results Two CpG islands

165 bp (1 241-1 405) and 105 bp (1 478-1 582)

were found in human Sox10 gene promoter according to bioinformatics analysis. CpG islands of human Sox10 gene promoter were partially methylated in the adjacent noncancerous tissues and glioblastoma multiforme

indicated by MSP results. BSP results showed that the percentage of methylation was 90.5% in glioblastoma multiform and 28.5% in the adjacent noncancerous tissues. Conclusion CpG islands of human Sox10 gene promoter are hypermethylated in glioblastoma multiforme. The down-regulation of human Sox10 gene might be mediated by the methylation as compared with adjacent noncancerous tissues.

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