Related Experiment Video
Updated: Jan 4, 2026
07:50
Genome-Wide Analysis of DNA Methylation in Gastrointestinal Cancer
Published on: September 18, 2020
6.0K
Consensus-Expressed CXCL8 and MMP9 Identified by Meta-Analyzed Perineural Invasion Gene Signature in Gastric Cancer
Xiuzhi Jia1, Minjia Lu2, Chen Rui1
1Central Lab of Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China.
Frontiers in Genetics
|November 5, 2019
Summary
Perineural invasion (PNI) is a key cancer metastasis route. Researchers identified CXCL8 and MMP9 gene coexpression as an early detection marker for PNI, potentially aiding early cancer treatment.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Metastasis Research
Background:
- Perineural invasion (PNI) is an underrecognized pathway for cancer metastasis, yet its underlying mechanisms remain largely unknown.
- Targeting PNI offers a potential strategy to inhibit the spread of malignant cancers.
- Understanding PNI is crucial for developing effective anti-metastasis therapies.
Purpose of the Study:
- To construct a perineural invasion (PNI) gene signature.
- To investigate the role of specific genes in PNI within a gastric cancer model.
- To identify potential biomarkers for early PNI detection and therapeutic targets.
Main Methods:
- Literature mining using Pathway Studio and meta-analysis of Gene Expression Omnibus (GEO) datasets for gastric cancer.
- Selection of 13 gene expression profiling studies from 467 retrieved datasets.
- Meta-analysis of a 104-gene PNI signature, focusing on consensus-expressed genes CXCL8 and MMP9.
Main Results:
- Consensus expression of C-X-C motif chemokine ligand 8 (CXCL8) and matrix metallopeptidase 9 (MMP9) was detected in gastric cancer (p < 0.01).
- High CXCL8 and MMP9 expression correlated with significantly worse disease-free survival (p = 0.05).
- Population region (country) was associated with CXCL8 and MMP9 expression levels.
Conclusions:
- Coexpression of CXCL8 and MMP9 may serve as an early detection biomarker for perineural invasion (PNI).
- These genes represent potential therapeutic targets for early intervention to prevent PNI-related metastasis.
- Further research can leverage these findings for personalized cancer treatment strategies.
