电邮这篇文章 ANTIOXIDANT STATUS OF THE FOLLICULAR LIQUID AND ITS RELATION WITH THE QUALITY OF EMBRYON IN INFERTILITY PATIENTS PASSING THROUGH THE PROCEDURE OF EXTRACORPORAL FERTILIZATION
- 作者: Proskurnina E.V.1, Shestakova M.A2, Rabadanova A.K1, Sozarukova M.M1, Shalina R.I2
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隶属关系:
- M.V. Lomonosov State Moscow University
- N.I. Pirogov Russian National Research Medical University
- 期: 卷 4, 编号 3 (2017)
- 页面: 159-163
- 栏目: Original study articles
- URL: https://ogarev-online.ru/2313-8726/article/view/35407
- DOI: https://doi.org/10.18821/2313-8726-2017-4-3-159-163
- ID: 35407
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The aim of the study is to evaluate the antioxidant properties of the follicular fluid with a new chemiluminescent method in women with a reduced ovarian reserve and tubal factor of the infertility, undergoing in vitro fertilization (IVF) procedure, and to compare the obtained data with embryo quality. Material and methods. Samples of the follicular fluid were obtained during oocyte sampling in 16 women with a reduced ovarian reserve and 16 women with a tubal peritoneal factor of the infertility. Patients in both groups were matched for the age, body mass index and hormonal stimulation protocol (short protocol). The antioxidant activity of the follicular fluid was measured by the method of luminol-activated chemiluminescence using 2,2’-azobis (2-amidinopropane) dihydrochloride as a source of radicals. The total antioxidant activity (AOA) and antioxidant activity due to the action of proteins (AOA-b) were determined. Results. The kinetic curve of chemiluminescence of the follicular fluid is similar in shape to the curve of the antioxidant activity of the blood plasma. As in blood plasma, antioxidant activity is caused by uric acid and proteins - albumins and globulins. As a result of the study, three groups of patients were identified, whose AOA significantly differed: patients with low embryo quality and decreased antioxidant activity, AOA 11.4 ± 2.5 mM ascorbate (n = 16); patients with a good quality embryo, AOA 21.4 ± 3.8 mM (n = 10); patients with a low embryo quality and an elevated AOA of 33.7 ± 2.9 mM (n = 6). Conclusions. Based on the comparison of AOA (in ascorbate units) with the quality of the embryo, three areas can be proposed: 1) a zone of reduced antioxidant activity (less than 15 μM, oxidative stress) - these patients had embryos of poor quality; 2) the zone of normal AOA (15-30 μM) - the patients received good quality embryos; 3) zone of increased AOA (more than 30 μM, antioxidant stress) - embryos of poor quality. Thus, it can be assumed that optimal development of embryos in the follicle requires the optimal value of antioxidant activity, since both its reduction (oxidative stress) and increase (antioxidant stress) adversely affect the quality of the embryo and the outcome of IVF. These data correspond to the modern concept that optimal development of the oocyte requires an optimal level of production of reactive oxygen species.
作者简介
Elena Proskurnina
M.V. Lomonosov State Moscow University
Email: proskurnina@gmail.com
MD, PhD, Associate Professor of the Department of Medical Biophysics of the Faculty of Fundamental Medicine of the M.V. Lomonosov State Moscow University, Moscow, 119991, Russian Federation Moscow, 119991, Russian Federation
M. Shestakova
N.I. Pirogov Russian National Research Medical UniversityMoscow, 117997, Russian Federation
A. Rabadanova
M.V. Lomonosov State Moscow UniversityMoscow, 119991, Russian Federation
M. Sozarukova
M.V. Lomonosov State Moscow UniversityMoscow, 119991, Russian Federation
R. Shalina
N.I. Pirogov Russian National Research Medical UniversityMoscow, 117997, Russian Federation
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