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首页> 外文期刊>Journal of Gastrointestinal Oncology >Investigation of the human H3.3B ( H3F3B ) gene expression as a novel marker in patients with colorectal cancer
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Investigation of the human H3.3B ( H3F3B ) gene expression as a novel marker in patients with colorectal cancer

机译:人H3.3B(H3F3B)基因表达作为大肠癌患者新型标记物的研究。

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Background: H3.3 histone is a replacement histone subtype that is express in entire cell cycle phases and overexpress in transcriptionally active regions, promoter regions, and intergenic or intragenic regulatory elements. This histone encoded by two genes termed H3.3A ( H3F3A ) and H3.3B ( H3F3B ). Mutations of these two genes lead to some human cancers such as chondroblastoma, osteosarcoma, and epithelial ovarian cancer. The aims of this study were to quantitatively examine the expression of H3.3B gene in colorectal cancer (CRC) and to correlate their expression level with demographics and clinicopathological characteristics. Methods: We investigated H3.3B gene expression in CRC by relative quantitative real-time polymerase chain reaction (real-time PCR) technique for the first time. For this purpose, total RNA extracted, then cDNA synthesized and H3.3B gene expression was evaluated with specific primers by real-time PCR in tumoral tissues and adjacent normal tissues of 36 patients with CRC, then statistical analysis was performed using SPSS software. Results: The results of this study indicated that H3.3B gene significantly overexpressed in tumoral tissue than adjacent normal tissue. Furthermore, statistical analysis represented the significant correlation between the H3.3B gene expression and some of the clinicopathological characteristics. Conclusions: Our study showed that H3.3B gene expression changes can be useful as a probable prognosis biomarker in the early stages of CRC before it metastasized.
机译:背景:H3.3组蛋白是一种替代组蛋白亚型,在整个细胞周期阶段表达,并在转录活性区域,启动子区域和基因间或基因内调控元件中过表达。该组蛋白由称为H3.3A(H3F3A)和H3.3B(H3F3B)的两个基因编码。这两个基因的突变会导致某些人类癌症,例如软骨母细胞瘤,骨肉瘤和上皮性卵巢癌。这项研究的目的是定量检查H3.3B基因在结直肠癌(CRC)中的表达并将其表达水平与人口统计学和临床​​病理特征相关联。方法:我们首次通过相对定量实时聚合酶链反应(real-time PCR)技术研究了H3.3B基因在CRC中的表达。为此目的,通过实时PCR在36例CRC的肿瘤组织和邻近正常组织中提取总RNA,然后合成cDNA,并使用特异性引物评估H3.3B基因表达,然后使用SPSS软件进行统计学分析。结果:这项研究的结果表明,H3.3B基因在肿瘤组织中明显高于邻近的正常组织。此外,统计分析表明H3.3B基因表达与某些临床病理特征之间存在显着相关性。结论:我们的研究表明,H3.3B基因表达的改变在CRC发生转移之前可作为CRC早期阶段的预后生物标志物。

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