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Bioinformatic Analysis Reveals GSG2 as a Potential Target for Breast Cancer Therapy
Zheng Ye1, Zhaoyu Zhang1, Lijiao Fang1
1Tianjin Key Laboratory of Medical Epigenetics; Key Laboratory of Breast Cancer Prevention and Therapy (Ministry of Education); Department of Biochemistry and Molecular Biology, Tianjin Medical University, Tianjin 300070, China.
Objective:
To explore the potential role of GSG2 in breast cancer progression.
Methods:
The mRNA expression, DNA copy number and clinical data used in this study were obtained from the TCGA data portal. The copy number variations (CNVs) thresholds were determined according to the set of discrete copy number calls provided by Genomic Identification of Significant Targets in Cancer (GISTIC).
Results:
The mRNA expression level of GSG2 in 112 breast cancer tissues was much higher than that in adjacent normal tissues. GSG2 was significantly upregulated in stage II compared with stage I, and there was no differential expression of GSG2 between tumors with or without metastasis. Heterozygous deletion occupied 57.1% of CNVs for GSG2 gene in breast cancer samples. Patients with higher GSG2 expression tended to suffer from poorer prognosis.
Conclusion:
Our profiling analysis indicated the overexpression of GSG2 might play an important role in breast cancer development, suggesting that GSG2 could be a new target for breast cancer treatment, making GSG2 inhibitors becoming potential drugs for breast cancer therapy.
Insights
Overexpression of GSG2 is linked to breast cancer progression and poorer prognosis. This suggests GSG2 could be a new therapeutic target for breast cancer treatment.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Breast cancer remains a leading cause of cancer-related mortality worldwide.
- Identifying novel molecular targets is crucial for improving treatment strategies.
Purpose of the Study:
- To investigate the role of GSG2 (Haspin) in breast cancer progression.
- To evaluate GSG2 as a potential therapeutic target.
Main Methods:
- Utilized The Cancer Genome Atlas (TCGA) data portal for mRNA expression, DNA copy number, and clinical data.
- Analyzed copy number variations (CNVs) using GISTIC thresholds.
Main Results:
- GSG2 mRNA expression was significantly higher in breast cancer tissues compared to normal tissues.
- GSG2 was upregulated in stage II versus stage I breast cancer.
- Higher GSG2 expression correlated with poorer patient prognosis.
- Heterozygous deletion was observed in 57.1% of GSG2 CNVs in breast cancer samples.
Conclusions:
- GSG2 overexpression is implicated in breast cancer development.
- GSG2 represents a potential novel therapeutic target for breast cancer.
- GSG2 inhibitors may offer a new avenue for breast cancer therapy.
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