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Tomohiro Umezu¹, Tomoya Mori², Hidenori Toyoda³

¹Department of Molecular Pathology, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan.

International journal of molecular sciences

|July 27, 2024

概括

在型肝炎病毒 (HCV) 患者中,肝细胞癌 (HCC) 的发展与与年龄相关的微RNA (miRNA) 表达变化有关. 这些独特的miRNA模式为早期HCC检测和新的治疗点提供了潜在的生物标志物.

科学领域:

肝病学肝病学是一种肝病学.
分子生物学分子生物学
在瘤学瘤学.

背景情况:

肝癌发生的危险因素包括慢性炎症 (例如,C型肝炎病毒-HCV),肝纤维化和衰老.
了解与HCV相关的肝病中的特定年龄分子变化对于有针对性的干预至关重要.
微RNA (miRNA) 失调与各种癌症有关,包括肝细胞癌 (HCC).

研究的目的:

综合分析慢性肝炎C (CH) 和HCV感染肝细胞癌 (HCC) 患者年龄分层的肝组织中的miRNA表达.
为了确定与肝癌发生相关的年龄相关的miRNA表达模式.
探索miRNA表达,肝纤维化和HCC发展之间的关系.

主要方法:

从360CH,43HCC和周围的非瘤 (SNT) 肝脏组织中提取的RNA上使用微阵列进行微RNA表达概况.
应用机器学习算法来识别特有的miRNA表达模式.
分析跨年龄组 (50岁,60岁,70岁) 和疾病状态 (CH,SNT,HCC) 的miRNA表达差异.

主要成果:

在疾病特异性比较中没有观察到与年龄相关的显著miRNA表达变化.
在不同年龄组 (50岁,60岁,70岁) 的CH和SNT组织之间发现了不同的miRNA表达模式.
在SNT和HCC组织之间miRNA表达的年龄特异性差异仅在70多岁的患者中明显.
在CH和SNT之间分别表达的55个miRNA中,34个也发生了显著的变化,无论肝纤维化阶段如何.
许多参与致癌的miRNAs表现出独立于肝纤维化的改变表达.

结论:

年龄特定的miRNA表达模式与HCV感染个体的肝癌发生有关,这表明癌症机制与年龄相关的差异.
涉及致癌的特定miRNAs可能独立于肝纤维化.
这些发现突显了年龄分层miRNA分析在开发早期HCC检测生物标志物和新治疗策略方面的潜力.

关键词:

在HCV病毒感染的过程中,慢性肝炎是一种慢性肝炎.肝细胞癌是肝细胞癌.这是一个小RNARNA.周围的非瘤组织.

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