Expression and prognostic value of cell-cycle-associated genes in lung squamous cell carcinoma
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 analyzed cell cycle genes in lung squamous carcinoma (LUSC), finding specific genes like CDK4 linked to better prognosis and others to advanced disease stages. These findings may improve LUSC patient stratification and treatment.
Area Of Science
- Oncology
- Molecular Biology
- Genetics
Background
- Lung squamous carcinoma (LUSC) has poor survival rates, necessitating further molecular investigation.
- The clinical significance of cell-cycle-associated genes in LUSC remains underexplored.
Purpose Of The Study
- To investigate the relationship between cell-cycle-associated genes and LUSC.
- To identify potential prognostic markers and therapeutic targets in LUSC.
Main Methods
- Analysis of mRNA expression data for 124 cell cycle-associated genes from The Cancer Genome Atlas (TCGA).
- Clustering of LUSC patients based on gene expression patterns.
- Comparative analysis to identify differentially expressed genes and their association with prognosis and clinical stage.
Main Results
- Three distinct clusters of LUSC patients were identified based on cell cycle gene expression.
- Elevated CDK4 expression correlated with a positive prognosis in LUSC.
- ANAPC11, ANAPC5, and ORC4 expression levels were associated with advanced pathological stages of LUSC.
Conclusions
- Cell cycle gene expression profiles can differentiate LUSC subtypes and predict patient outcomes.
- Identified genes offer potential for developing novel prognostic strategies and targeted therapies for LUSC.
Contact us if these videos are not relevant.
Contact us if these videos are not relevant.
Related Concept Videos
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...
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...
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...
Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic material may lead to genetic mutations that may be passed down to every new cell formed from the resulting abnormal cell. Propagation of such mutant cells is restricted through checkpoint mechanisms present at different stages of the cell cycle. These checkpoints involve regulator molecules that either promote or demote cell cycle events.
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
Several external and internal factors influence the initiation and inhibition of cell division. For instance, the death of nearby cells or the release of human growth hormone (hGH) promotes cell division. In contrast, lack of hGH or crowding of cells can inhibit cell division.
Several proteins function as internal regulators to ensure each cell cycle stage is completed faithfully before proceeding to the next. Regulator molecules may act directly or influence the activity or production of other...