Study protocol: analysis of gene expression profiles in peripheral blood and tumor tissue of Colombian patients diagnosed with epithelial ovarian cancer - Report - MDSpire

Study protocol: analysis of gene expression profiles in peripheral blood and tumor tissue of Colombian patients diagnosed with epithelial ovarian cancer

  • By

  • Elizabeth Vargas-Castellanos

  • William Torres

  • Julian C. Riano-Moreno

  • May 22, 2026

  • 0 min

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Clinical Report: Examination of Gene Expression Patterns in Ovarian Cancer

Overview

This study aims to characterize germline variants and gene expression profiles in Colombian women with epithelial ovarian cancer (EOC). By integrating genomic and transcriptomic analyses, the research seeks to identify molecular alterations in this population.

Background

Epithelial ovarian cancer is a leading cause of cancer-related mortality among women, with late-stage diagnosis significantly impacting survival rates. Current genomic studies predominantly focus on populations of European ancestry, leaving Latin American populations, such as Colombians, underrepresented. This research investigates the unique genetic admixture of Colombian patients.

Data Highlights

This study will include 30 Colombian women diagnosed with EOC and 30 healthy controls, utilizing a 106-gene hereditary cancer next-generation sequencing panel and RNA sequencing for transcriptomic analysis.

Key Findings

  • The study will generate the first integrated germline and transcriptomic dataset for EOC in a Colombian population.
  • It aims to identify genetic variants and expression patterns in tumor tissue and peripheral blood.
  • Ethical approval has been obtained, ensuring compliance with research standards.
  • Population-specific biomarkers may be identified.

Clinical Implications

The study emphasizes the importance of integrating germline profiling into the molecular characterization of ovarian cancer.

Conclusion

This research represents a significant step toward understanding the genetic landscape of epithelial ovarian cancer in Colombia.

Related Resources & Content

  1. ESMO Clinical Practice Guideline Express Update on the management of epithelial ovarian cancer - PMC
  2. Niraparib first-line maintenance therapy in patients with newly diagnosed advanced ovarian cancer: final overall survival results from the PRIMA/ENGOT-OV26/GOG-3012 trial - ScienceDirect
  3. Establishing the First Genetic Variant Registry for Breast and Ovarian Cancer in Colombia: Insights and Implications | MDPI
  4. Journal of Gastroenterology — A gene expression signature linked to immune suppression in the tumor microenvironment correlates with unfavorable outcomes in gastric adenocarcinoma
  5. Assessment of miR-506 and miR-4316 Levels for Early and Non-Invasive Detection of Colorectal Cancer
  6. Evaluating the Role of Circulating Cell-Free Messenger RNA in Plasma as a Glioma Biomarker: A Preliminary Investigation
  7. Histopathological Evaluation for Identifying Colorectal Ovarian Micrometastases After Prophylactic Salpingo-Oophorectomy in Postmenopausal Women
  8. ESMO Clinical Practice Guideline Express Update on the management of epithelial ovarian cancer - PMC
  9. Niraparib first-line maintenance therapy in patients with newly diagnosed advanced ovarian cancer: final overall survival results from the PRIMA/ENGOT-OV26/GOG-3012 trial - ScienceDirect
  10. Establishing the First Genetic Variant Registry for Breast and Ovarian Cancer in Colombia: Insights and Implications | MDPI

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