An Inflammation-Related lncRNA Signature for Prognostic Prediction in Colorectal Cancer
- Zhenling Zhang 1, Yingshu Luo 1, Yuan Liu 1, Jiangnan Ren 1, Zhaoxiong Fang 1, Yanzhi Han 1
- Zhenling Zhang 1, Yingshu Luo 1, Yuan Liu 1
- 1Department of Gastroenterology, the Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China.
- 0Department of Gastroenterology, the Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China.
Related Experiment Videos
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.This study developed a 13-inflammation-related long noncoding RNA (IRL) signature to predict colorectal cancer (CRC) prognosis. This novel IRL signature shows promise as a biomarker for improved CRC patient evaluation and clinical decision-making.
Area Of Science
- Oncology
- Molecular Biology
- Bioinformatics
Background
- Colorectal cancer (CRC) is a prevalent digestive system malignancy.
- Long noncoding RNAs (lncRNAs) are increasingly implicated in cancer development.
- The role of inflammation-related lncRNAs (IRLs) in CRC pathogenesis remains largely undefined.
Purpose Of The Study
- To develop a prognostic signature based on IRLs for colorectal cancer.
- To investigate the underlying molecular mechanisms of IRLs in CRC.
- To assess the signature's association with the tumor immune microenvironment.
Main Methods
- Utilized RNA-sequencing data from The Cancer Genome Atlas (TCGA) and inflammation-associated genes from GeneCards.
- Identified differentially expressed IRLs using R and constructed a prognostic model with 13 IRLs via LASSO regression.
- Validated the model's prognostic value using Kaplan-Meier and ROC analyses, and assessed immune cell infiltration.
Main Results
- A 13-IRL signature was established, classifying CRC patients into distinct risk groups.
- The IRL signature demonstrated superior prognostic prediction compared to traditional clinicopathological features.
- Significant differences in immune cell populations, including CD4+ T cells and M2 macrophages, were observed between risk groups.
Conclusions
- The developed 13-IRL signature serves as a potent biomarker for colorectal cancer.
- This signature holds potential for enhancing clinical decision-making and prognostic assessment in CRC.
- The findings highlight the role of IRLs in CRC and their association with immune profiles.
Related Experiment Videos
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
Related Concept Videos
02:39
In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
03:18
As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...

