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Oncogene Expression Analysis with Alterations in pH in a Pancreatic Ductal Cell Line
Published on: April 11, 2025
979
Gene expression profile analysis of pancreatic cancer based on microarray data.
Jin Long1, Zhe Liu1, Xingda Wu1
1Department of General Surgery, The First Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China.
Molecular Medicine Reports
|April 2, 2016
Summary
This study identified 1,765 differentially-expressed genes (DEGs) in pancreatic cancer (PC) tissues. Key genes like TGFB1, TGFBR1, and EGF show altered expression and copy number variations, suggesting their role in PC development and potential as therapeutic targets.
Area of Science:
- Oncology
- Genomics
- Molecular Biology
Background:
- Pancreatic cancer (PC) remains a significant health challenge with complex genetic underpinnings.
- Identifying key genes involved in PC pathogenesis is crucial for developing effective treatments.
Purpose of the Study:
- To identify differentially-expressed genes (DEGs) between pancreatic cancer and normal tissues.
- To explore genetic factors, including copy number variations (CNVs), associated with PC pathogenesis.
- To investigate the role of specific DEGs in the pancreatic cancer pathway.
Main Methods:
- Analysis of the GSE16515 mRNA expression microarray dataset (52 samples).
- Identification of DEGs using normalization and statistical analysis.
- Construction of protein-protein interaction networks.
- Functional and pathway enrichment analyses.
- Assessment of copy number variations (CNVs) for identified DEGs.
Main Results:
- A total of 1,765 DEGs were identified: 1,312 upregulated and 453 downregulated.
- Upregulated DEGs are linked to nucleocytoplasmic and intracellular transport.
- Downregulated DEGs are associated with responses to organic substances and hormone stimuli.
- Transforming growth factor β1 (TGFB1), TGFβ receptor 1 (TGFBR1), and epidermal growth factor (EGF) were identified within the pancreatic cancer pathway with notable CNVs.
Conclusions:
- TGFB1, TGFBR1, and EGF play significant roles in the pathogenesis of pancreatic cancer.
- These identified genes represent potential therapeutic targets for PC treatment.
