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Updated: Jan 23, 2026

In-vivo Detection of Protein-protein Interactions on Micro-patterned Surfaces
Published on: March 19, 2010
LCN2-interacting proteins and their expression patterns in brain tumors
Zepeng Du1, Bingli Wu2, Qiaoxi Xia2
1Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Genes Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, Guangdong, China; Department of Pathology, Shantou Central Hospital, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou 515041, Guangdong, China.
Lipocalin 2 (LCN2) and its interacting proteins show distinct expression patterns in brain tumors. These proteins may serve as potential biomarkers for glioblastoma, impacting patient survival.
Area of Science:
- Oncology
- Bioinformatics
- Molecular Biology
Background:
- Lipocalin 2 (LCN2) is upregulated in various human tumors.
- LCN2's role in malignancies suggests potential as a biomarker or therapeutic target.
Purpose of the Study:
- To identify LCN2 interacting proteins and their biological functions using bioinformatics.
- To analyze the expression patterns and correlations of these proteins in brain tumors.
Main Methods:
- Construction of protein-protein interaction networks (PPIN) centered on LCN2.
- Functional and KEGG pathway enrichment analyses of the PPIN.
- Analysis of protein expression levels and correlations in five brain tumor types.
Main Results:
- PPIN analysis revealed functions including cell migration and cancer-related pathways.
- Significant correlation between glioblastoma patient survival and expression of 10 genes, including LCN2.
- LCN2 and interacting proteins exhibit differential expression and co-expression patterns.
Conclusions:
- LCN2 and its interacting proteins are differentially expressed in brain tumors.
- These proteins may drive proliferation and migration through cancer-related pathways.
- LCN2 and its interacting proteins show potential as glioblastoma biomarkers.
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