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相关概念视频

piRNA - Piwi-interacting RNAs02:57

piRNA - Piwi-interacting RNAs

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PIWI-interacting RNAs, or piRNAs, are the most abundant short non-coding RNAs. More than 20,000 genes have been found in humans that code for piRNAs while only 2000 genes have been found for miRNAs. piRNAs can act at the transcriptional and post-transcriptional levels and have a vital role in silencing transposable elements present in germ cells. They are also involved in epigenetic silencing and activation. Previously, they were thought to function only in germ cells but new evidence suggests...
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相关实验视频

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Detection of MicroRNAs in Microglia by Real-time PCR in Normal CNS and During Neuroinflammation
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探索基于miRNAs的建模方法,用于预测多发性硬化症中的PIRA:全面分析.

Tommaso Gosetti di Sturmeck1, Leonardo Malimpensa2, Gina Ferrazzano3

  • 1European Brain Research Institute (EBRI) Rita Levi-Montalcini, 00161 Rome, Italy.

International journal of molecular sciences
|June 27, 2024
PubMed
概括

微RNA档案中的生物标志物可以预测多发性硬化症的进展,独立于复发活动. 这有助于为复发性复发性多发性硬化症患者个性化治疗策略.

关键词:
这是一个小RNARNA.建模方法是一种建模方法.多发性硬化症多发性硬化症进展独立于复发活动 (PIRA).

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Characterization of Functionally Associated miRNAs in Glioblastoma and their Engineering into Artificial Clusters for Gene Therapy
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Author Spotlight: Creating a Versatile Experimental Autoimmune Encephalomyelitis Model Relevant for Both Male and Female Mice
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相关实验视频

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科学领域:

  • 神经免疫学 神经免疫学
  • 生物标志物发现发现
  • 基因组学就是基因组学.

背景情况:

  • 多发性硬化症 (MS) 的病理生理学涉及炎症和神经退行.
  • 疾病修饰疗法 (DMT) 可以减少复发,但并非所有的残疾进展.
  • 进展独立于复发活动 (PIRA) 显著影响长期残疾.

研究的目的:

  • 确定微RNA (miRNA) 生物标志物,以预测复发性复发性多发性硬化症 (RRMS) 中的PIRA.
  • 根据疾病轨迹开发分层患者的模型.
  • 增强早期多发性硬化症个性化治疗策略.

主要方法:

  • 分析了25名RRMS患者在高疗效DMT前后的外周血液单核细胞的miRNA档案.
  • 使用的Agilent微阵列用于miRNA分析.
  • 采用多变量逻辑和线性模型与随机化测试进行分析.

主要成果:

  • 选择了与PIRA和扩展残疾状况量表 (EDSS) 变化相关的miRNAs子集.
  • 开发了一个强大的物流模型,以高准确度预测PIRA状态 (AUC = 0.971).
  • 使用四个miRNA预测器构建了一个多线性模型来描述EDSS变化.

结论:

  • 对miRNA表达的多变量建模显示了预测MS残疾进展的前景.
  • 基线miRNA概况可以对患者进行PIRA风险分层.
  • 这些发现支持开发针对MS的个性化治疗方法.