相关实验视频

Updated: Jun 18, 2025

MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier MSC for Lung Cancer Screening

MicroRNA Based Liquid Biopsy: The Experience of the Plasma miRNA Signature Classifier MSC for Lung Cancer Screening

Published on: October 26, 2017

解读血友性关节病的循环microRNA签名的解读

Alexandre Leuci¹, Muriel Marano¹, Marjorie Millet²

¹UR4609 Thrombosis & Haemostasis, University of Lyon Claude Bernard 1 (UCLB1), Lyon, France.

Thrombosis research

|July 30, 2024

概括

研究人员确定了五种循环的microRNA (miRNA) 作为早期诊断血友性关节病 (HArt) 的潜在生物标志物. 这些miRNAs,包括miR-208a-3p和miR-506-3p,在HArt患者中显示出改变的表达,提供了新的诊断工具.

科学领域:

生物化学生物化学
分子生物学分子生物学
遗传学遗传学是一个

背景情况:

血友性关节病 (HArt) 是血友病患者的一种严重并发症.
早期诊断和治疗对于尽量减少HArt发展至关重要.
生物标志物,如循环中的微RNA (miRNAs),显示出早期HArt检测的希望.

研究的目的:

在患有血友病A的患者中研究miRNAs的差异表达.
探索特定的miRNA与关节病的存在和严重程度之间的关系.

主要方法:

一项试点研究随后进行了一项验证研究,涉及100名血友病A患者 (83名有HArt,17名没有) 和14名对照.
使用实时定量PCR分析了微分miRNA表达的差异.

主要成果:

两个miRNAs (miR-208a-3p和miR-524-3p) 与非关节病患者相比,在HArt患者的血中显著表达不足 (FDR <0.05).
另外三个miRNAs (miR-130a-3p,miR-335-5p和miR-506-3p) 在中度HArt患者中表达不足 (彼得森得分4-7).

结论:

确定了与HArt相关的五个循环miRNA的签名,表明它们作为诊断工具的潜力.
这些miRNAs可能调节基因表达,影响骨质母细胞和骨质母细胞的分化,骨矿化和骨生成.
计划在PROVE临床试验中对与早期HArt阶段相关的miRNA进行进一步研究.

关键词:

关节病是一种关节病.生物标志物生物标志物血友病 (Hemophilia) 是一种血友病.在 miR208a-3p 中.在 miR524-3p 中使用.这是一个微型RNA.

更多相关视频

Digital PCR for Quantifying Circulating MicroRNAs in Acute Myocardial Infarction and Cardiovascular Disease

Digital PCR for Quantifying Circulating MicroRNAs in Acute Myocardial Infarction and Cardiovascular Disease

Published on: July 3, 2018

Absolute Quantification of Plasma MicroRNA Levels in Cynomolgus Monkeys, Using Quantitative Real-time Reverse Transcription PCR

Absolute Quantification of Plasma MicroRNA Levels in Cynomolgus Monkeys, Using Quantitative Real-time Reverse Transcription PCR

Published on: February 12, 2018

相关概念视频

MicroRNAs

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...