结肠癌中的RNA处理基因的表征,用于预测临床结果
Jianwen Hu1,2, Yingze Ning3, Yongchen Ma4
1Gastrointestinal Surgery Department, Peking University First Hospital, Beijing, China.
Biomarker insights
|August 20, 2024
概括
这项研究基于RNA处理基因确定了四种结肠癌亚型. 一个10基因预后模型有助于分层患者,指导精准医学和向治疗以获得更好的结果.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 结肠癌表现出显著的分子异质性.
- RNA处理对于瘤发生和癌症的维持至关重要.
- 了解RNA处理基因在结肠癌中的作用至关重要.
研究的目的:
- 探索结肠癌中的RNA处理表型.
- 为了识别与RNA处理相关的预后标记.
- 为开发结肠癌的预后分类器.
主要方法:
- 从TCGA和GEO数据库中使用了1033个样本.
- 应用无监督的等级聚类来识别子类型.
- 在预后特征选择中采用LASSO和考克斯回归.
主要成果:
- 确定了4种结肠癌亚型,具有明显的临床和生物特征.
- 开发了一种10基因RNA处理相关的预后模型.
- 高风险组显示基因组不稳定性增加,预后较差.
结论:
- 预后分类器有助于分层结肠癌患者.
- 该工具支持诊断,分类和向治疗.
- RNA编辑基因在结肠癌中作为显著的预后标志物.
关键词:
大肠癌是什么意思 大肠癌是什么意思地理地质组织 (GEO) 是指地理地质组织.处理RNA基因的RNA基因.在TCGA中,TCGA就是TCGA.这个名字是名ogramogram.预后 预后 预后风险评分风险评分是什么意思更多相关视频
11:52Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations
Published on: August 4, 2016
10.3K
10:35A Blood-based Test for the Detection of ROS1 and RET Fusion Transcripts from Circulating Ribonucleic Acid Using Digital Polymerase Chain Reaction
Published on: April 5, 2018
10.3K
相关概念视频
Cancer-Critical Genes II: Tumor Suppressor Genes
7.3K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
7.3K
Tumor Progression
6.3K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
6.3K
Cancer-Critical Genes I: Proto-oncogenes
8.7K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
8.7K
Chromatin Structure Regulates pre-mRNA Processing
7.0K
In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
The chromatin structure, especially...
7.0K
Ribosome Profiling
3.5K
Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
3.5K
Regulation of Expression at Multiple Steps
876
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
876
