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Sorak MP, Nikolov AB, Sazdanovic PS, Arsenijevic NS, Milicic VM, Cekovic JM, Parandilovic AZ, Gavrilovic AZ. Activity of enzymes in the follicular fluid and outcome of in vitro fertilization. Medicine (Baltimore) 2024; 103:e36851. [PMID: 38277545 PMCID: PMC10817102 DOI: 10.1097/md.0000000000036851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/13/2023] [Indexed: 01/28/2024] Open
Abstract
Defining certain parameters of the oocyte microenvironment that can be simply and quickly detected and that enable differentiation of oocytes that have better or worse quality could potentially increase the efficacy of the in vitro fertilization (IVF) method. Follicular fluid represents the microenvironment for the development of oocytes during different stages of maturation. Enzymes present in the follicular fluid may affect the quality of oocytes. There are inconsistencies in the literature concerning enzyme concentration in follicular fluid. The main aim of this study was to examine whether the concentration of enzymes aspartate aminotransferase, alanine aminotransferase (ALT), alkaline phosphatase, and lactate dehydrogenase in follicular fluid can influence the outcome of IVF. The study included 120 patients who were involved in the process of IVF. We used the follicular fluid obtained after follicular aspiration in the ovaries as biological material for the analysis. The values of enzymes LDL (method-kinetic UV test), aspartate aminotransferase (method-kinetic UV test), ALT (method-kinetic UV test) and alkaline phosphatase (method-colorimetric kinetic test) in the follicular fluid were determined on the analyzer АU 680, Becman Coulter. The criteria of the Istanbul consensus of clinical embryologists were used for the embryo assessment. The software package SPSS 20 was used for the statistical processing of data. The results of follicular fluid sample analysis showed a correlation between ALT concentration in the follicular fluid and IVF outcome. Based on our results, we can conclude that ALT concentration affects the outcome of IVF.
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Affiliation(s)
- Marija P. Sorak
- Department of Gynecology and Obstetrics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Department of Biomedically Assisted Fertilization, Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
| | - Aleksandar B. Nikolov
- Department of Gynecology and Obstetrics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Department of Biomedically Assisted Fertilization, Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
| | - Predrag S. Sazdanovic
- Department of Biomedically Assisted Fertilization, Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
- Department of Anatomy, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Neda S. Arsenijevic
- Department of Gynecology and Obstetrics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
| | - Vesna M. Milicic
- Department of Dermatovenereology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- University Clinical Center Kragujevac, Center for Dermatovenereology, Kragujevac, Serbia
| | - Jelena M. Cekovic
- Department of Biomedically Assisted Fertilization, Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
| | - Aida Z. Parandilovic
- Department of Biomedically Assisted Fertilization, Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
| | - Aleksandra Z. Gavrilovic
- Department of Biomedically Assisted Fertilization, Clinic of Gynecology and Obstetrics, University Clinical Center Kragujevac, Kragujevac, Serbia
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Stojanovic Gavrilovic AZ, Cekovic JM, Parandilovic AZ, Nikolov AB, Sazdanovic PS, Velickovic AM, Andjelkovic MV, Sorak MP. IL-6 of follicular fluid and outcome of in vitro fertilization. Medicine (Baltimore) 2022; 101:e29624. [PMID: 35866786 PMCID: PMC9302246 DOI: 10.1097/md.0000000000029624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The quality of an oocyte is influenced by its microenvironment, which includes cumulus cells and follicular fluid, as well as cells of the immune system and their products. The ovarian interleukins, which are secreted by the granulosa cells and other immune cells within the ovaries and follicles, regulate various functions between the cells. IL-6 is a cytokine that is present in the follicular fluid and may affect the quality of oocytes. There are some inconsistencies in the literature regarding the concentration of interleukin 6 in the follicular fluid. The main objective of this study was to examine whether the concentration of interleukin 6 in the follicular fluid affects the outcome of IVF. This study involved 83 patients who underwent IVF. Follicular fluid was used as the biological material for the analysis. Examination of the obtained follicular fluid and collection of oocytes under a stereomicroscope was performed in the embryological laboratory. The concentration of IL-6 in the follicular fluid was analyzed. IVF and ICSI methods were used as the fertilization methods. Pregnancy was confirmed by the positive serum β-hCG level. The software package SPSS 20 was used for statistical data processing. Analysis of the follicular fluid samples showed a correlation between the concentration of IL-6 in the follicular fluid and the outcome of IVF. The concentration of IL-6 in the follicular fluid was higher in patients with confirmed pregnancy (9.55 ± 7.47 ng/ml). Based on our results, we conclude that the concentration of IL-6 affects the outcome of IVF. If the range of IL-6 concentration is between 3,67 ng/ml and 10 ng/ml, we can expect good IVF outcome with vital pregnancy.
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Affiliation(s)
- Aleksandra Z. Stojanovic Gavrilovic
- Clinical Center Kragujevac, Clinic of Gynecology and Obstetrics, Department of Biomedically Assisted Fertilization, Kragujevac, Serbia
- University of Kragujevac, Faculty of Medical Sciences, PhD student, Kragujevac, Serbia
| | - Jelena M. Cekovic
- Clinical Center Kragujevac, Clinic of Gynecology and Obstetrics, Department of Biomedically Assisted Fertilization, Kragujevac, Serbia
| | - Aida Z. Parandilovic
- Clinical Center Kragujevac, Clinic of Gynecology and Obstetrics, Department of Biomedically Assisted Fertilization, Kragujevac, Serbia
| | - Aleksandar B. Nikolov
- Clinical Center Kragujevac, Clinic of Gynecology and Obstetrics, Department of Biomedically Assisted Fertilization, Kragujevac, Serbia
| | - Predrag S. Sazdanovic
- Clinical Center Kragujevac, Clinic of Gynecology and Obstetrics, Department of Biomedically Assisted Fertilization, Kragujevac, Serbia
- University of Kragujevac, Faculty of Medical Sciences, Department of Anatomy, Kragujevac, Serbia
| | - Aleksandra M. Velickovic
- Clinical Center Kragujevac, Department of Laboratory Diagnostics, Kragujevac, Serbia
- University of Kragujevac, Faculty of Medical Sciences, Department of Biochemistry, Kragujevac, Serbia
| | - Marija V. Andjelkovic
- Clinical Center Kragujevac, Department of Laboratory Diagnostics, Kragujevac, Serbia
- University of Kragujevac, Faculty of Medical Sciences, Department of Biochemistry, Kragujevac, Serbia
| | - Marija P. Sorak
- Clinical Center Kragujevac, Clinic of Gynecology and Obstetrics, Department of Biomedically Assisted Fertilization, Kragujevac, Serbia
- University of Kragujevac, Faculty of Medical Sciences, Department of Gynecology and Obstetrics, Kragujevac, Serbia
- *Correspondence: Marija Sorak, Faculty of Medical Sciences, University of Kragujevac, 34 000 Kragujevac, SerbiaUniversity Clinical Center Kragujevac, Center for Biomedical Assisted Fertilization, 34 000 Kragujevac, Serbia (e-mail: )
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