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Updated: Oct 12, 2025

Author Spotlight: Unveiling the Role of TMOD3 in Platinum Resistance and Immune Infiltration in Ovarian Cancer
Published on: August 2, 2024
Prediction of Key Candidate Genes for Platinum Resistance in Ovarian Cancer
1Department of Gynecology and Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People's Republic of China.
Purpose:
Ovarian cancer is one of the common malignant tumors of female reproductive organs, which seriously threatens the life and health of women. Resistance to chemotherapeutic drugs for ovarian cancer is the root cause of recurrence in most patients. The purpose of this study is to determine the differentially expressed genes of platinum resistance in ovarian cancer, and to screen out molecular targets and diagnostic markers that could be used to treat ovarian cancer platinum resistance.
Methods:
We downloaded 5 gene microarray datasets GSE58470, GSE45553, GSE41499, GSE33482, and GSE15372 from the Gene Expression Omnibus database, all of which are associated with ovarian cancer platinum resistance. Subsequently, the intersection of the statistically significant differentially expressed genes in 5 gene chips was taken, and relevant bioinformatics and clinical parameters were performed on the screened differential genes. qRT-PCR was utilized to examine the mRNA expression levels in ovarian cancer sensitive and cisplatin-resistant cells.
Results:
Three differential genes, IFI27, JAG1, DNM3, may be closely related to platinum resistance of ovarian cancer, were screened by microarray datasets. According to the combined verification of bioinformatics, clinical case analyses and experiments, it was inferred that the increased expression of DNM3 was beneficial to patients with platinum resistance, but the high expression of IFI27 and JAG1 may lead to the risk of platinum resistance.
Conclusion:
IFI27, JAG1 and DNM3 screened by relevant gene chips may serve as new biomarkers of platinum resistance in ovarian cancer.
Insights
Researchers identified three genes, IFI27, JAG1, and DNM3, associated with platinum resistance in ovarian cancer. Increased DNM3 expression may benefit patients, while high IFI27 and JAG1 expression could indicate a higher risk of resistance.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Ovarian cancer poses a significant threat to women's health.
- Chemotherapeutic drug resistance is a primary cause of ovarian cancer recurrence.
- Identifying molecular targets for platinum resistance is crucial for improving treatment outcomes.
Purpose of the Study:
- To identify differentially expressed genes in ovarian cancer platinum resistance.
- To screen for novel molecular targets for ovarian cancer platinum resistance.
- To discover potential diagnostic markers for ovarian cancer platinum resistance.
Main Methods:
- Analysis of five gene microarray datasets (GSE58470, GSE45553, GSE41499, GSE33482, GSE15372) from the Gene Expression Omnibus database.
- Identification of intersecting differentially expressed genes across the datasets.
- Bioinformatic analysis, clinical parameter correlation, and qRT-PCR validation of candidate genes (IFI27, JAG1, DNM3).
Main Results:
- Three genes, IFI27, JAG1, and DNM3, were identified as potentially associated with platinum resistance in ovarian cancer.
- Increased expression of DNM3 was correlated with a benefit for patients experiencing platinum resistance.
- High expression levels of IFI27 and JAG1 were linked to an increased risk of platinum resistance.
Conclusions:
- IFI27, JAG1, and DNM3 show potential as novel biomarkers for predicting platinum resistance in ovarian cancer.
- These genes may offer new therapeutic targets for overcoming platinum resistance.
- Further research is warranted to validate these findings and explore their clinical applications.
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