血清长非编码RNA作为胆囊癌潜在的非侵入性生物标志物的小组
Sridhar Mishra1, Pallavi Srivastava1, Anshuman Pandey2
1Department of Pathology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, Uttar Pradesh, 226010, India.
Non-coding RNA research
|March 25, 2024
概括
这项研究确定了特定的长非编码RNA (lncRNAs) 作为胆囊癌 (GBC) 的潜在早期诊断生物标志物. 在血清中检测这些lncRNAs的面板可以显著改善早期GBC诊断和患者的结果.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物标志物发现发现
背景情况:
- 胆囊癌 (GBC) 经常被晚诊断,需要改进早期检测方法.
- 长非编码RNAs (lncRNAs) 的改变表达与GBC发育有关.
- 识别新的循环生物标志物对于降低GBC死亡率至关重要.
研究的目的:
- 在血清和GBC患者的组织中研究特定lncRNAs (HOTAIR,ANRIL,H19,CCAT1,MEG3) 的表达特征.
- 评估这些lncRNAs用于GBC检测和分期的诊断潜力.
- 为了将lncRNA表达与GBC的临床病理特征相关联.
主要方法:
- 一项病例控制研究涉及63名GBC患者的血清和组织样本,19名胆囊炎 (CC) 患者和46名正常对照 (NC).
- 使用SYBR绿色实时定量PCR进行RNA提取,cDNA合成和相对表达分析.
- 统计分析以评估诊断准确度 (AUC) 和与临床病理参数的相关性.
主要成果:
- 与对照人群相比,循环中的HOTAIR,ANRIL和H19被上调,而MEG3和CCAT1在GBC血清中被下调.
- 表达趋势在匹配的组织中是一致的.
- 在CC和早期GBC之间观察到HOTAIR和MEG3水平的显著差异.
- H19从早期到高级GBC阶段显示出显著的上调.
- 在将GBC与NC区分时,MEG3表现出高的诊断准确性 (AUC=0.96).
- 在分辨病理阶段时,ANRIL和MEG3显示出显著的诊断价值.
结论:
- 特定的lncRNAs在GBC中表现出改变的表达模式,与疾病阶段相关.
- 循环中的lncRNAs,特别是MEG3和ANRIL,作为早期GBC诊断的基于血清的生物标志物具有前途.
- 一个IncRNAs小组,结合放射学发现,可以增强早期GBC检测和改善患者管理.
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