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Published on: April 5, 2024
Evaluation of NF1 and RASA1 gene expression in endometriosis
Ghafour Yarahmadi1,2, Mehran Dehghanian1,2, Reyhaneh Sadat Sandoghsaz2
1Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Background:
Endometrios affecting 6-10% of women of reproductive ages around the globe. Important pathways, including the MAPK and PI3K / Akt pathways, have been identified in the disease. The NF1 and RASA1 genes inactivate Ras by their own GTPase activity and controlled the high activity of these pathways.
Objective:
In this study, we measured NF1 and RASA1 gene expression in the endometrial tissues of patients (eutopic and ectopic tissues) compared to the control samples.
Materials And Methods:
In our study, tissue samples were collected from 15 patients with endometriosis and 15 healthy women. We used quantitative polymerase chain reaction (qRT-PCR) to measure the NF1 and RASA1 gene expression levels in these samples.
Results:
We observed a significant decrease in the expression level of the NF1 gene in both eutopic and ectopic samples of endometriosis patients compared to control samples, while the expression of the RASA1 gene was significantly reduced only in ectopic tissues.
Insights
Endometriosis is linked to reduced expression of NF1 and RASA1 genes. Specifically, NF1 gene expression is significantly lower in both eutopic and ectopic endometriosis tissues, while RASA1 is reduced in ectopic tissues.
Area of Science:
- Reproductive biology
- Molecular genetics
- Cell signaling
Background:
- Endometriosis affects 6-10% of women globally.
- Key signaling pathways like MAPK and PI3K/Akt are implicated.
- NF1 and RASA1 genes regulate Ras activity and pathway control.
Purpose of the Study:
- To investigate NF1 and RASA1 gene expression in endometriosis.
- Compare gene expression in eutopic and ectopic endometrial tissues versus controls.
Main Methods:
- Quantitative real-time PCR (qRT-PCR) was employed.
- Tissue samples from 15 endometriosis patients and 15 healthy controls were analyzed.
- Expression levels of NF1 and RASA1 genes were measured.
Main Results:
- NF1 gene expression was significantly decreased in both eutopic and ectopic endometriosis tissues.
- RASA1 gene expression showed a significant reduction exclusively in ectopic endometriosis tissues.
- These findings suggest differential roles of NF1 and RASA1 in endometriosis pathogenesis.
Conclusions:
- NF1 and RASA1 gene expression alterations are associated with endometriosis.
- Reduced NF1 expression may play a role in both eutopic and ectopic disease.
- Decreased RASA1 expression is specific to ectopic endometriosis tissues.

