Endometriosis and Ovarian Cancer: A Genetic Connection

Endometriosis and Ovarian Cancer: A Genetic Connection By Nasuhi Engin Aydin

Academicians Zhang and Yan from Ningbo University, Zhejiang, China, have recently published a pivotal study in Scientific Reports examining the cancer risk associated with endometriosis. Endometriosis, a chronic condition affecting approximately 6–10% of women worldwide, significantly diminishes quality of life…

Key Points Lay Summary

Endometriosis and PCOS Share Common Risk Genes

Endometriosis and PCOS Share Common Risk Genes By Özge Özkaya

There is a genetic correlation and shared risk genes between endometriosis and polycystic ovary syndrome (PCOS), found a new study published in the scientific journal Frontiers in Endocrinology. “These findings provide insights into the potential mechanisms behind their comorbidity and…

Key Points Lay Summary

A review for genetics of endometriosis.

A review for genetics of endometriosis. By Selma Oransay

There is an increased risk of developing endometriosis among first-degree relatives, which can raise suspicions of the role of genetic factors in endometriosis. Genome-wide association studies and next-generation sequencing have identified numerous genetic loci and variants relating to the disease.…

Key Points Lay Summary

Endometriosis and Genetic Polymorphisms in Proinflammatory Cytokines

Endometriosis and Genetic Polymorphisms in Proinflammatory Cytokines By Hale Goksever Celik

Several pathophysiological mechanisms have been proposed for the chronic inflammatory nature of endometriosis, such as retrograde menstruation, coelomic metaplasia, hormonal change, oxidative stress and inflammation, immune dysfunction, and apoptosis suppression. One of the most widely accepted theories in recent years…

Key Points Lay Summary

Exploring tissue origins and age characteristics in endometriosis

Exploring tissue origins and age characteristics in endometriosis By Eylül GÜN

Despite its widespread occurrence, the precise factors leading to endometriosis and the nature of its symptoms remain uncertain. To better understand the disease and improve treatment, Leap et al. from the US and Austria explored the use of DNA methylation…

Key Points Lay Summary

Scientific unfolding will lead new drug targets

Scientific unfolding will lead new drug targets By Nasuhi Engin Aydin

Drs. Dolmans and Donnez from academic institutions located in Brussels, Belgium, have published their comprehensive review on the current pathophysiological concepts in endometriosis with possible drug treatment potentials in the recent issue of a scientific journal named “Biomolecules”.  As a…

Key Points Lay Summary

Scientists Try to Understand Consequences of Genetic Changes in Endometriosis

Scientists Try to Understand Consequences of Genetic Changes in Endometriosis By Özge Özkaya

The protocol of the "Endometriosis Research Queensland Study" has been published in the scientific journal BMJ Open. The aim of the study is to collect endometrial tissue associated with the disease and chart its genetic architecture. This way, the researchers aim to…

Key Points Lay Summary

Epigenetic changes in endometriosis: A new target area for therapy

Epigenetic changes in endometriosis: A new target area for therapy By Eylül GÜN

Epigenetics is the heritable genetic modifications and changes in chromosomes without alterations in the DNA sequence. Numerous mechanisms, like DNA methylation and RNA editing to mention a couple, have been discovered as epigenetic alterations that are triggered by environmental factors.…

Key Points Lay Summary

Endometriosis Prediction by "Machine Learning"

Endometriosis Prediction by By Selma Oransay

To develop a predictive model for endometriosis and to re-assess the contribution of known risk factors, Blass et al. from the Hebrew University of Jerusalem, Jerusalem, Israel used the data of the UK biobank by machine learning-based models. They compared and…

Key Points Lay Summary

Genetic prediction models for endometriosis diagnosis

Genetic prediction models for endometriosis diagnosis By Bahar Yuksel

There are many studies trying to find a mysterious gene that would solve all the mysteries of endometriosis, yet none have been identified up to now. In the study conducted by She et al, the authors revealed an R system…

Key Points Lay Summary

Inflammatory and genetical background of endometriosis may yield new therapeutic approaches

Inflammatory and genetical background of endometriosis may yield new therapeutic approaches By Nasuhi Engin Aydin

Elisa Giacomini and colleagues from medical centers in Milan, Italy have published their review manuscript on the inflammatory and genetical pathogenetic background of endometriosis in a recent issue of  “International Journal of Molecular Sciences”, suggesting also new therapeutic approaches. The inflammatory…

Key Points Lay Summary

Genetic Predisposition to Endometriosis

Genetic Predisposition to Endometriosis By Özge Özkaya

Certain genetic polymorphisms, called SNPs, in the ESR2 and CYP19A1 genes, were more prevalent among patients with endometriosis compared to women without the disease according to a study by researchers in Poland.  A better understanding of the genetic mechanisms underlying the…

Key Points Lay Summary

It is time for redefining endometriosis with our contemporary scientific knowledge - Philippe Koninckx, MD, Ph.D.

It is time for redefining endometriosis with our contemporary scientific knowledge -  Philippe Koninckx, MD, Ph.D. By Nasuhi Engin Aydin

Endometriosis defined as endometrium-like tissue outside the uterus has a poorly understood natural history. It is a heterogeneous disease having genetic-epigenetic features with many biochemical changes in the lesions. The Sampson hypothesis of implanted endometrial cells following retrograde menstruation is not…

Key Points Lay Summary

A Possible genetic target for endometriosis treatment

A Possible genetic target for endometriosis treatment By Dr. Youngran Park

Mutations in the chromosome remodeling complex SWI/SNF subunit ARID1A were first identified in ovarian clear-cell carcinoma and ovarian endometrioid carcinoma, two endometriosis-associated epithelial ovarian cancer subtypes. ARID1A gene mutations are also observed in deep ovarian and deep infiltrating endometriosis, atypical endometrial…

Key Points Lay Summary

Cancer-associated mutations and endometriosis

Cancer-associated mutations and endometriosis By Ellen Tumimbang

Endometriosis is thought to benign gynecological disease. However, recent studies compiled in this review paper suggest that spontaneous somatic mutations are driven to occur during the cyclic bleeding resulting in endometriosis tissue undergoing repeated tissue injury and repair. Mutations are…

Key Points Lay Summary

Role of race in science

Role of race in science By Nadire Duru

Although genome pioneers and social scientists agreed on not using the race as a variable in genetic research during human genome sequencing time, the use of race as a biological category has risen since. Traditionally ‘race’ has been used as…

Key Points Lay Summary

Race, socioeconomic status, and health

Race, socioeconomic status, and health By Dr. Youngran Park

Racial disparities in health have been long noted in the United States. The differences in socioeconomic status across racial groups are a major contributor to racial disparities in health. However, race reflects multiple dimensions of social inequality. Understanding and effectively…

Key Points Lay Summary

Polymorphisms and endometriosis: a systematic review and meta-analyses.

Polymorphisms and endometriosis: a systematic review and meta-analyses. By Yohan Suryo

The symptoms of endometriosis are varied among women and include chronic pelvic pain, infertility, and fatigue. There are no reliable blood tests and medical imaging techniques such as MRI and ultrasound are not always satisfactory. The lack of endometriosis-specific symptoms…

Key Points Lay Summary

The genetic mutations in uterine adenomyosis

The genetic mutations in uterine adenomyosis By Hale Goksever Celik

Adenomyosis is defined as the localization of endometrial stromal and glandular cells in the myometrium. This disease is a reproductive-aged women disease, like endometriosis. Additionally, adenomyosis is frequently observed together with endometriosis and leiomyomas due to common histological features and…

Key Points Lay Summary

An important environmental contaminant dioxin has links to the pathogenesis of endometriosis

An important environmental contaminant dioxin has links to the pathogenesis of endometriosis By Nasuhi Engin Aydin

Giampaolinoa and associates from the University of Genoa, Italy published a review on environmental contaminant dioxin and its possible epigenetic role related to endometriosis development in "Gynecological Endocrinology". The authors made a narrative review, with the results of their search…

Key Points Lay Summary

Impact of Genetic Variations in Endometriosis

Impact of Genetic Variations in Endometriosis By Dr. Youngran Park

Endometriosis is an estrogen-dependent disorder. This disease affects approximately 7% to 10% of reproductive-aged women and causes negative impacts on society. The underlying causes are unclear; therefore, the understanding of this disease remains a major clinical challenge. Endometriosis has a…

Key Points Lay Summary

A rigorous literature review on endometriosis

A rigorous literature review on endometriosis By Irem Onur

Bulun SE. et al., from Feinberg School of Medicine, Northwestern University, Chicago, conducted a rigorous literature review on endometriosis. This outstanding review by Dr. Bulun et al. addresses the definition, remarkable medical features, clinically useful research findings, prevalence and distribution,…

Key Points Lay Summary

Endometriosis Knowledgebase

Endometriosis Knowledgebase By Yu Yu

Several studies have pointed to possible genetic factors in endometriosis. Targeted gene-based and high-throughput methods such as Genome-Wide Association Studies (GWAS) have been previously employed to identify endometriosis-associated genes. However, the accuracy of these data are difficult to evaluate and…

Key Points Lay Summary

Normal endometrium and cancer-associated mutations

Normal endometrium and cancer-associated mutations By Yu Yu

Next-generation sequencing technology has enabled the detection of genetic mutation with high efficiency. It is believed that tumor progression is a result of accumulating mutations, so-called “driver mutations”, which confer growth advantages to the cell. Although such a process is…

Key Points Lay Summary

Endometriosis pathophysiology: research in genes updated

Endometriosis pathophysiology: research in genes updated By Nasuhi Engin Aydin

Endometriosis has a broad spectrum of environmental influences and genetic factors. I In this recently published review article in Experimental and Therapeutic Medicine, Vassilopoulou and associates present information about gene‑gene and gene‑environment interactions involved in endometriosis and discuss the effectiveness…

Key Points Lay Summary

The genetic predisposition to endometriosis

The genetic predisposition to endometriosis By Hale Goksever Celik

Endometriosis is an estrogen-dependent gynecological disease mostly encountered in reproductive-aged women. Although endometrium is a non-malignant disease, its symptoms can range from mild to severe due to the inflammation that ectopic endometrial tissue forms around itself. The exact etiopathogenetic mechanism…

Key Points Lay Summary

New Link Between Endometriosis and Genetics?

New Link Between Endometriosis and Genetics? By Özge Özkaya

Two new genes have been identified that may be associated with endometriosis. This finding increases our understanding of the biology of endometriosis and may take us one small step further towards the development of new ways of treating the condition. …

Key Points Lay Summary

A new theory in the pathogenesis of endometriosis

A new theory in the pathogenesis of endometriosis By Serdar Balci

Koninckx et. al., from various countries, have conducted this review, which will be published in Fertility and Sterility. Endometriosis is known for a century. The disease has a variable course in a patient, which may include pain, infections, and infertility.…

Key Points Lay Summary

Could Endometriosis-Related Infertility Be Genetic?

Could Endometriosis-Related Infertility Be Genetic? By Özge Özkaya

Researchers identified genetic polymorphisms or individual differences in two genes called AMA5 and KAZN among women with endometriosis who were infertile and control women who were fertile. The identification of these polymorphisms could help scientists better understand why some women…

Key Points Lay Summary

Polymorphism of IL12B May Help Solve Endometriosis

Polymorphism of IL12B May Help Solve Endometriosis By Kasthuri Nair

Zhao et al. recently published a paper titled “A functional promoter polymorphism in interleukin 12B gene is associated with an increased risk of ovarian endometriosis” in Gene. The research group from Hebei Medical University wanted to explore the potential roles…

Key Points Lay Summary

Epigenetic link between endometriosis and cancer

Epigenetic link between endometriosis and cancer By Nasuhi Engin Aydin

Although endometriosis is considered a benign condition the cellular, histologic, and molecular data strongly demonstrate that endometriosis has neoplastic characteristics. There is strong evidence that endometriosis shares striking features with malignancy like normal tissue dissemination, invasion, and organ damage, as well as new vessel formation (neoangiogenesis).  In…

Key Points Lay Summary

Expert discussion on mechanisms of endometriosis development and progression

Expert discussion on mechanisms of endometriosis development and progression By Yu Yu

Several mechanisms have been proposed to explain the occurrence and worsening of endometriosis. Classically, it is believed that retrograde menstruation causes endometriosis. However, the presence of endometriosis in newly menarcheal or pre-menarcheal girls cannot fully explain this early onset endometriosis.…

Key Points Lay Summary

The comparison of Chinese women in terms of risk factors, genetics and treatment of endometriosis

The comparison of Chinese women in terms of risk factors, genetics and treatment of endometriosis By Hale Goksever Celik

Endometriosis is characterized by endometrial implants outside of the uterine cavity. There is a wide spectrum of symptoms of this disease including dysmenorrhea, chronic pelvic pain, dyspareunia, extragenital symptoms. The pathogenesis of endometriosis appears to be multifactorial, including ectopic endometrial…

Key Points Lay Summary

Extending the Female Fertility Clock

Extending the Female Fertility Clock By Kasthuri Nair

Varela, Sanchez-de-Puerta, and Garcia-Velasco are a group of scientists from various institutions in Spain and they recently published a review article titled “Fertility, IVF and reproductive genetics” in Current Opinion in Obstetrics and Gynecology. In this publication, the authors discussed…

Key Points Lay Summary

Endometriosis From an Epigenetic Lens

Endometriosis From an Epigenetic Lens By Kasthuri Nair

Samadieh et al. from the Royan Institute for Reproductive Biomedicine, recently published an article in Reproductive Sciences titled “Epigenetic Dynamics of HOXA10 Gene in Infertile Women With Endometriosis.” In this paper, the researchers wanted to observe HOXA10 gene expression in…

Key Points Lay Summary

Independent development of endometrial epithelium and stroma within the same endometriosis

Independent development of endometrial epithelium and stroma within the same endometriosis By Murat Osman

Endometriosis is one of the leading causes of chronic pelvic pain in women during their childbearing years. A popular theory for the pathogenesis of endometriosis posits that circulating progenitor cells differentiate into the endometrial stroma and glandular tissue once they…

Key Points Lay Summary

The use of histone deacetylase inhibitors for the treatment of endometriosis

The use of histone deacetylase inhibitors for the treatment of endometriosis By Murat Osman

Histone deacetylase inhibitors prevent the deacetylation of specific gene sequences thereby allowing the increased transcription of certain genes. Trichostatin A, a histone deacetylase inhibitor, has been seen to induce the expression of a pro-apoptotic gene called nonsteroidal anti-inflammatory drug-activated gene…

Key Points Lay Summary

Inhibition of Histone methyltransferase for fighting endometriosis

Inhibition of Histone methyltransferase for fighting endometriosis By Dr. Youngran Park

Although the histone methyltransferase EZH2 and its product H3K27me3 are well studied in cancer, little is known about their role and potential as therapeutic targets in endometriosis. It has been previously reported that the endometriotic lesions are characterized by global…

Key Points Lay Summary

When Endometriosis Becomes Malignant

When Endometriosis Becomes Malignant By Kasthuri Nair

Anglesio and Yong recently wrote a review titled “Endometriosis-associated Ovarian Cancers” that was published in Clinical Obstetrics and Gynecology. This review explored the relationship between endometriosis and ovarian cancers. It is important to note that this review is a compilation of…

Key Points Lay Summary

Epigenetic regulation of the pathological process in endometriosis.

Epigenetic regulation of the pathological process in endometriosis. By Dr. Youngran Park

Epigenetic mechanisms have been recognized as important players in the development of a broad range of human diseases including endometriosis. A growing body of evidence shows that the remodeling of retrograde endometrial tissues to the ectopic endometriotic lesions involves multiple epigenetic…

Key Points Lay Summary

The Heritability of Endometriosis

The Heritability of Endometriosis By Kasthuri Nair

The mechanisms underlying endometriosis, genetic or otherwise, have yet to be understood. Thus, very little is known about how one can be afflicted with this disease. Isidor et al. recently published a paper titled “Familial deep endometriosis: A rare monogenic…

Key Points Lay Summary

Endometriosis-related Mitochondrial DNA Control Region Polymorphisms Found in Brazil

Endometriosis-related Mitochondrial DNA Control Region Polymorphisms Found in Brazil By Kasthuri Nair

The genetic basis for the formation of endometriosis is still at large. Andres et al. from the University of Sao Paulo, Brazil,  looked at various individuals, with and without endometriosis, to determine polymorphisms in the mitochondrial DNA (mtDNA) control region that…

Key Points Lay Summary

EFA.MC.2017.“The Abnormal Embryos That Aren’t”,“Tens of thousands of women thought they couldn't have babies: But what if they could.”Dr. Norbert Gleicher Dr. Monica Halem

EFA.MC.2017.“The Abnormal Embryos That Aren’t”,“Tens of thousands of women thought they couldn't have babies: But what if they could.”Dr. Norbert Gleicher Dr. Monica Halem By Özge Özkaya

The presentation started with the story of Monica Halem who had endometriosis and had been trying to conceive using in vitro fertilization VF), but was told that none of her fertilized embryos would be viable based on pre-implantation genetic screening…

Key Points Lay Summary

The role of gene polymorphisms in the pathogenesis of endometriosis

The role of gene polymorphisms in the pathogenesis of endometriosis By Murat Osman

Single nucleotide polymorphisms (SNPs) are the most common type of genetic variations that exist among individuals. These polymorphisms differ by a single nucleotide base pair and are scattered throughout the human genome. Scientists use SNPs as a biological marker to…

Key Points Lay Summary

Updates in the Field of Endometriosis: Epigenetics

Updates in the Field of Endometriosis: Epigenetics By Kasthuri Nair

In this chapter titled “A Review of the Epigenetic Contributions to Endometriosis,” Grimstad and Decherney examine various epigenetic influences that drive endometriosis disease progression. The epigenetic alterations they discuss include DNA methylation, histone modification, chromatin architecture changes, nuclear receptor modulation,…

Key Points Lay Summary

Updates in the Field of Endometriosis: Genetics

Updates in the Field of Endometriosis: Genetics By Kasthuri Nair

This chapter written by Krishnamoorthy and Decherney re-evaluate the literature concerning the genetics of endometriosis. The genetic mechanisms and signaling pathways that led to endometriosis are updated and the tools that help researchers find these abnormal genes and pathways are…

Key Points Lay Summary

Updates in the Field of Endometriosis

Updates in the Field of Endometriosis By Kasthuri Nair

A lot of progress has been made thus far in the field of endometriosis. Research has discovered various genetic and epigenetic components involved in endometriosis. There has also been a progression in the diagnosis and treatment of the disease since…

Key Points Lay Summary

DNA methylation changes in endometrium during the transition from pre-receptive to receptive phase

DNA methylation changes in endometrium during the transition from pre-receptive to receptive phase By Yu Yu

The endometrium is unique in that it undergoes remarkable changes during menstrual cycle under the control of hormones, estrogen, and progesterone. The function of the endometrium is crucial for embryo implantation, during which the endometrium is receptive around a week…

Key Points Lay Summary

New Genetic Variants Associated with Endometriosis May Offer New Opportunities

New Genetic Variants Associated with Endometriosis May Offer New Opportunities By Yu Yu

Endometriosis is a heritable gynecological condition. Its etiology and pathogenesis remain complex with multiple genetic and environmental risk factors. Previous studies based on female twins and common SNPs have suggested the heritability of endometriosis. In the May 2017 issue of…

Key Points Lay Summary

How ERα is regulated in endometriosis?

How ERα is regulated in endometriosis? By Yu Yu

Endometriosis pathogenesis is largely influenced by estrogen. Ectopic endometrium has altered expression of ERα compared to the eutopic endometrium. It is unclear what biological processes regulate such alteration. The article by Toderow et al. in Archives of Gynecology and Obstetrics…

Key Points Lay Summary

Mutations Associated with Cancer Were Identified in "Endometriosis without Cancer"

Mutations Associated with Cancer Were Identified in By Özge Özkaya

Lesions in deep infiltrating endometriosis harbor genetic mutations that are associated with cancer, found a study published in the New England Journal of Medicine.  The authors believe that this new discovery may help to distinguish between aggressive and non-aggressive forms of…

Lay Summary

Genetic Variations May Link Risk of Endometriosis and Ovarian Cancer

Genetic Variations May Link Risk of Endometriosis and Ovarian Cancer By Özge Özkaya

Variations in a gene called HNF1B could be linked to the risk of endometriosis, according to a study published in the medical journal Gynecologic Oncology. Previous studies had identified the same genetic variation as a risk factor for ovarian cancer.…

Lay Summary