Ovarian Reserve and Matrix Metalloproteinases

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

133 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-08-10

Study Completion Date

2022-03-07

Brief Summary

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Primary Ovarian Insufficiency (POI) is dysfunction of ovaries before 40 years of age. It has been reported that genetic factors, endocrine disorders, previous pelvic surgeries, chemotherapy and radiotherapy, and autoimmune mechanisms play a role in 10%, however the etiology has not been clarified in 90% of the cases. Oxidative stress and autoimmunity has been shown to be responsible in the etiopathogenesis of POI. Prolidase is an imidodipeptidase. Prolidase was shown to be related with oxidative stress and autoimmune diseases in previous studies. In addition, it is thought that the level of prolidase plays a role both in the etiopathogenesis and progression of diseases. This study aims to investigate the level of prolidase enzyme in women with POI.

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Detailed Description

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Primary Ovarian Insufficiency (POI) is dysfunction of ovaries before 40 years of age. It has been reported that genetic factors, endocrine disorders, previous pelvic surgeries, chemotherapy and radiotherapy, and autoimmune mechanisms play a role in 10%, however the etiology has not been clarified in 90% of the cases that are diagnosed as idiopathic POI. Recent studies concentrated on the role of immune mechanisms in idiopathic POI. Prolidase is a matrix metalloproteinase that plays a role in various metabolic processes and is responsible for the destruction of dipeptides containing proline and hydroxyproline. The prolidase has been shown to be related with oxidative stress and autoimmune diseases in previous studies. Prolidase was shown to be a diagnostic and prognostic value in a number of diseases. Proline and hydroxyproline are metabolites produced through the prolidase activity. Proline itself is also considered as a kind of metabolic stress indicator. On the other hand, free proline in the medium is known to inhibit the prolidase enzyme activity. Therefore, simultaneous measurement of proline and hydroxyproline levels in the medium enables to more accurately calculate the prolidase activity. This study aim to analyze the prolidase level in POI patients compared to healthy menstruating women. Besides the prolidase activity, we also aim to measure proline and hydroxyproline levels in order to provide the calibration for accurate results in terms of prolidase activity.

Conditions

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Oxidative Stress Ovarian Insufficiency, Primary Ovarian Failure, Premature

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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POI group (Study group)

* The study group included 68 women with POI.
* The POI cases had been diagnosed as idiopathic POI.
* The POI diagnosis was based on the presence of amenorrhea before the age of 40, increased serum FSH level higher than 40 mIU/ml, and decreased estradiol levels lesser than 50 pg/mL.