Ovarian Cancer—Epidemiology, Classification, Pathogenesis, Treatment, and Estrogen Receptors’ Molecular Backgrounds Original paper

Researched by:

  • Divine Aleru ID
    Divine Aleru

    User avatarI am a biochemist with a deep curiosity for the human microbiome and how it shapes human health, and I enjoy making microbiome science more accessible through research and writing. With 2 years experience in microbiome research, I have curated microbiome studies, analyzed microbial signatures, and now focus on interventions as a Microbiome Signatures and Interventions Research Coordinator.

August 6, 2025

  • Women’s Health
    Women’s Health

    Women’s health, a vital aspect of medical science, encompasses various conditions unique to women’s physiological makeup. Historically, women were often excluded from clinical research, leading to a gap in understanding the intricacies of women’s health needs. However, recent advancements have highlighted the significant role that the microbiome plays in these conditions, offering new insights and potential therapies. MicrobiomeSignatures.com is at the forefront of exploring the microbiome signature of each of these conditions to unravel the etiology of these diseases and develop targeted microbiome therapies.

  • Ovarian Cancer
    Ovarian Cancer

    OverviewOvarian cancer (OC) remains one of the most deadly cancers affecting women, with an estimated 314,000 new cases diagnosed worldwide annually, making it the eighth most commonly diagnosed cancer. It also accounts for over 207,000 deaths each year, reflecting its high lethality. The disease is often diagnosed at advanced stages (stage III and IV) due […]

Researched by:

  • Divine Aleru ID
    Divine Aleru

    User avatarI am a biochemist with a deep curiosity for the human microbiome and how it shapes human health, and I enjoy making microbiome science more accessible through research and writing. With 2 years experience in microbiome research, I have curated microbiome studies, analyzed microbial signatures, and now focus on interventions as a Microbiome Signatures and Interventions Research Coordinator.

Last Updated: 2025

Microbiome Signatures identifies and validates condition-specific microbiome shifts and interventions to accelerate clinical translation. Our multidisciplinary team supports clinicians, researchers, and innovators in turning microbiome science into actionable medicine.

Divine Aleru

I am a biochemist with a deep curiosity for the human microbiome and how it shapes human health, and I enjoy making microbiome science more accessible through research and writing. With 2 years experience in microbiome research, I have curated microbiome studies, analyzed microbial signatures, and now focus on interventions as a Microbiome Signatures and Interventions Research Coordinator.

What was reviewed?

This review explores the epidemiology, classification, pathogenesis, treatment, and molecular background of estrogen receptors in ovarian cancer. It provides a comprehensive analysis of the various factors that contribute to the development and progression of ovarian cancer, with a specific focus on genetic factors such as mutations in BRCA1 and BRCA2, and the role of estrogen receptors in tumor growth and hormone-dependent carcinogenesis.

Who was reviewed?

The review does not focus on individual studies or specific patient populations but instead compiles data from a wide range of epidemiological and clinical research. It synthesizes information on ovarian cancer risk factors, the molecular biology of the disease, and therapeutic interventions from various scientific and clinical sources, offering insights into treatment approaches and ongoing research.

Most important findings

A key finding of the review is the growing understanding of the genetic and molecular underpinnings of ovarian cancer. Mutations in the BRCA1 and BRCA2 genes significantly increase the risk of developing ovarian cancer, with BRCA1 mutation carriers facing a 44% risk, while BRCA2 mutation carriers have a 17% risk. The review highlights the role of estrogen in ovarian cancer, noting that 60% of cases exhibit significantly elevated levels of estrogen receptor alpha (ERα). The review emphasizes the impact of estrogen receptors on ovarian cancer progression, with the imbalance between ERα and estrogen receptor beta (ERβ) playing a crucial role in carcinogenesis. Additionally, polymorphisms in the ESR1 gene, which encodes ERα, may affect estrogen receptor activity and influence both the development of ovarian cancer and the response to hormone therapies.

Key implications

The review’s findings have substantial clinical implications, particularly in the areas of genetic testing, early detection, and treatment strategies for ovarian cancer. The identification of BRCA1/2 mutations can guide personalized treatment with PARP inhibitors, which have proven effective for hereditary ovarian cancers. The understanding of estrogen receptor signaling, especially the role of ERα and ERβ, opens avenues for targeted therapies that could modulate estrogen activity to slow down cancer progression. Furthermore, the exploration of single nucleotide polymorphisms (SNPs) in the ESR1 gene provides new opportunities for predicting treatment outcomes and tailoring therapies based on individual genetic profiles. Despite advancements, the review stresses that there is still no effective screening method for early-stage ovarian cancer, highlighting the need for continued research into biomarkers and non-invasive detection methods.

Estrogen Receptors (ER)

Estrogen receptors (ERs) are specialized proteins that respond to the hormone estrogen, playing a critical role in regulating biological processes such as reproduction, cellular growth, and differentiation.

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