Recognizing the role of Epstein-Barr virus in gastric cancer: transcriptomic insights into malignancy modulation
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.Epstein-Barr virus (EBV) alters gene expression in gastric cancer (GC), influencing pathways related to immunity and cell proliferation. EBV-associated genes like IFI44L and OAS2 may serve as biomarkers for GC progression.
Area Of Science
- Oncology
- Virology
- Molecular Biology
Background
- Epstein-Barr virus (EBV) is linked to increased gastric cancer (GC) risk and malignancy.
- Understanding EBV's impact on gene expression is crucial for identifying GC development mechanisms.
Purpose Of The Study
- To identify genes modulated by EBV in gastric cancer.
- To investigate the role of these genes in GC development and patient prognosis.
Main Methods
- Analyzed gene expression datasets (GSE185627, GSE51575) to find EBV-modulated genes.
- Utilized TCGA data for gene association with GC and survival.
- Examined gene pathways via MsigDB and identified hub genes using PPI networks.
- Validated key gene expression using RT-qPCR on clinical GC samples.
Main Results
- EBV-upregulated genes correlate with immune response, inflammation, and P53 pathways.
- EBV-downregulated genes are linked to cell proliferation and mTORC1 pathways, with some showing oncogenic roles and poor prognosis.
- IFI44L and OAS2 identified as potential hub genes, with higher expression in EBV-positive GC samples.
Conclusions
- EBV significantly regulates genes involved in GC malignancy.
- EBV induces transcriptomic changes that may attenuate GC progression, despite inflammatory effects.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...