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Molecular Advances in Ovarian Cancer: 2nd Edition

Special Issue Editor

1. Graduate Institute of Medicine, College of Medicine & Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
2. Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807377, Taiwan
Interests: high-risk pregnancies; perinatal medicine; genetic diagnosis; obstetrics and gynecology; endocrinology of reproduction
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Special Issue Information

Dear Colleagues,

Ovarian cancer is the most lethal gynecological malignancy in the world due to the lack of early detection tools and effective therapeutic intervention. Healthcare related to these has been an important issue and remains to be explored. Recent studies have identified that each histotype of ovarian cancer shows different molecular mechanisms of carcinogenesis. This special issue aim to collect paper focused on pathogenesis, tumor microenvironment in Ovarian cancer progression.

Dr. Te-Fu Chan
Guest Editor

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Keywords

  • pathogenesis
  • tumor microenvironment
  • ovarian cancer

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Related Special Issue

Published Papers (2 papers)

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Research

16 pages, 1760 KB  
Article
The OvarianTag™ Biomarker Panel Emerges as a Prognostic Tool to Guide Clinical Decisions in Cisplatin-Based Treatment of Epithelial Ovarian Cancer
by Letícia da Conceição Braga, Laurence Rodrigo do Amaral, Pedro Henrique Villar Delfino, Nara Rosana Andrade, Paulo Guilherme de Oliveira Salles, Agnaldo Lopes da Silva Filho, Pedro Luiz Lima Bertarini, Ana Paula Álvares da Silva Ramos, Matheus de Souza Gomes and Luciana Maria Silva
Int. J. Mol. Sci. 2025, 26(17), 8393; https://doi.org/10.3390/ijms26178393 - 29 Aug 2025
Abstract
Epithelial ovarian cancer (EOC) is the most lethal gynecologic malignancy, often diagnosed at an advanced stage due to its asymptomatic progression. The high recurrence rate and development of platinum-based chemotherapy resistance contribute to its poor prognosis. Despite advancements in molecular profiling, predictive biomarkers [...] Read more.
Epithelial ovarian cancer (EOC) is the most lethal gynecologic malignancy, often diagnosed at an advanced stage due to its asymptomatic progression. The high recurrence rate and development of platinum-based chemotherapy resistance contribute to its poor prognosis. Despite advancements in molecular profiling, predictive biomarkers for chemotherapy response and recurrence risk remain limited. In this study, we developed OvarianTag™, a biomarker panel integrating apoptosis and necroptosis pathways, to predict chemotherapy benefit and disease progression in EOC patients. This observational study was conducted in two phases. In the first phase, 45 patients were recruited, and RNA was extracted from fresh ovarian tissues (normal, benign, and malignant). qRT-PCR was performed to assess the relative expression of genes involved in apoptosis and necroptosis-regulated cell death pathways. Machine learning algorithms were applied to identify the relevant prognostic markers, leading to the development of OvarianTag™. In the second phase, 55 additional EOC patients were included, and their formalin-fixed, paraffin-embedded (FFPE) tumor samples were analyzed using qRT-PCR. The classifier algorithm incorporated hierarchical clustering to stratify patients based on gene expression profiles. Significant differences in TNFRSF10C/TRAIL-R3, TNFRSF10B/TRAIL-R2, and CASP8 expression levels were observed between patient groups. CASP8 downregulation was strongly correlated with platinum resistance and a poor prognosis. Decision tree models achieved 83.3% accuracy in predicting platinum response and 79.2% accuracy in recurrence risk stratification. The OvarianTag™ classifier demonstrated high sensitivity and specificity in identifying high-risk patients, supporting its potential as a prognostic tool. The OvarianTag™ panel provides a novel approach for risk stratification in EOC, integrating apoptosis and necroptosis pathways to refine chemotherapy response prediction and recurrence risk assessment. This molecular assay has the potential to guide personalized treatment strategies, enhancing clinical decision-making and improving patient outcomes. Further validation in independent cohorts is warranted to establish its clinical utility. Full article
(This article belongs to the Special Issue Molecular Advances in Ovarian Cancer: 2nd Edition)
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15 pages, 1954 KB  
Article
Assessment of Molecular Markers in Pediatric Ovarian Tumors: Romanian Single-Center Experience
by Ovidiu Bîcă, Carmen Iulia Ciongradi, Diana Benchia, Ioan Sârbu, Mirabela Alecsa, Alexandra Elena Cristofor, Delia Elena Bîcă and Ludmila Lozneanu
Int. J. Mol. Sci. 2024, 25(12), 6752; https://doi.org/10.3390/ijms25126752 - 19 Jun 2024
Cited by 1 | Viewed by 1335
Abstract
Pediatric ovarian tumors exhibit unique diagnostic and therapeutic challenges. This study evaluates the expression of SALL4 and OCT3/4 biomarkers in pediatric ovarian tumors and their associations with tumor subtype, stage, and clinical outcome. A retrospective analysis was conducted on 64 patients under 18 [...] Read more.
Pediatric ovarian tumors exhibit unique diagnostic and therapeutic challenges. This study evaluates the expression of SALL4 and OCT3/4 biomarkers in pediatric ovarian tumors and their associations with tumor subtype, stage, and clinical outcome. A retrospective analysis was conducted on 64 patients under 18 years old, examining demographic data, tumor characteristics, immunohistochemical staining, and clinical outcomes. Our results show that SALL4 was significantly expressed in adenocarcinoma, dysgerminoma (DSG), mixed germ cell tumors (GCTs), and immature teratoma, while OCT3/4 was highly expressed in DSG and mixed GCTs. Both markers are associated with a higher tumor grade and stage, indicating a more aggressive disease. The SALL4 positivity expression was correlated with high alpha fetoprotein (AFP) and lactate dehydrogenase (LDH) levels, while OCT3/4 positivity significantly predicted the risk of subsequent metastasis. The mean progression-free survival (PFS) was notably shorter in patients with positive markers. These findings underscore the diagnostic and prognostic value of SALL4 and OCT3/4 in pediatric ovarian tumors, aligning with previous research and supporting their use in clinical practice for better disease management and patient outcomes. Full article
(This article belongs to the Special Issue Molecular Advances in Ovarian Cancer: 2nd Edition)
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