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Ganeva R, Parvanov D, Vidolova N, Handzhiyska M, Ruseva M, Vasileva M, Nikolova K, Ivanova I, Shaban M, Shabarkova J, Hristova R, Miladinova M, Stamenov G. Sperm selection by zona adhesion improves assisted reproductive treatment outcomes. Andrology 2024; 12:1373-1380. [PMID: 38225818 DOI: 10.1111/andr.13590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/15/2023] [Accepted: 01/03/2024] [Indexed: 01/17/2024]
Abstract
BACKGROUND Zona pellucida is one of the main selective barriers for the spermatozoa before reaching the oocyte. Using native zona in the sperm selection prior to Intracytoplasmic Sperm Injection (ICSI) has been proven effective but inconvenient approach in In Vitro Fertilisation (IVF) laboratory. The application of autologous solubilised zonae pellucidae in the sperm selection prior to ICSI has not been studied yet. OBJECTIVES To compare the assisted reproductive treatment (ART) outcomes (implantation, pregnancy, live birth, and miscarriage rates) after ICSI performed with spermatozoa selected on their ability to adhere to immobilised solubilised zonae pellucidae and conventionally selected spermatozoa. MATERIALS AND METHODS In total, 500 couples fulfilled the inclusion criteria and 368 of them were included in the study. After random allocation, 192 couples had spermatozoa selected by sperm-zona adhesion for ICSI (study group) and 176 patients underwent standard ICSI (control group). In the study group, patients' own zonae were acid solubilised and immobilised on petri dishes. The partner's motile spermatozoa were placed in the dishes and the adhered spermatozoa were used for ICSI. For the control group, the conventional sperm selection by morphological criteria was applied prior ICSI. All women underwent frozen ET with euploid embryos. Chi square test was used to compare the data. RESULTS The sperm selection by zona adhesion resulted in significantly higher implantation rate (50.4% vs. 37.0%, p = 0.003), clinical pregnancy rate (43.8% vs. 33.3%, p = 0.018) and live birth rate (38.0% vs. 25.9%, p = 0.004) and significantly lower incidence of miscarriage (11.3% vs. 22.2%, p = 0.044) in comparison to the conventional method of the sperm selection. DISCUSSION AND CONCLUSION The application of solubilised zonae pellucidae in the sperm selection for ICSI benefits ART outcomes in couples with unexplained infertility. Moreover, sperm-zona selection significantly reduces the risk of miscarriages.
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Affiliation(s)
- Rumiana Ganeva
- Research and Development Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Dimitar Parvanov
- Research and Development Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Nina Vidolova
- Research and Development Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Maria Handzhiyska
- Research and Development Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Margarita Ruseva
- Research and Development Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Magdaleva Vasileva
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Kristina Nikolova
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Ivka Ivanova
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Miray Shaban
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Joanna Shabarkova
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Rayna Hristova
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Milena Miladinova
- Embryology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
| | - Georgi Stamenov
- Obstetrics and Gynecology Department, Nadezhda Women's Health Hospital, Sofia, Bulgaria
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Sanyal D, Arya D, Nishi K, Balasinor N, Singh D. Clinical Utility of Sperm Function Tests in Predicting Male Fertility: A Systematic Review. Reprod Sci 2024; 31:863-882. [PMID: 38012524 DOI: 10.1007/s43032-023-01405-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/06/2023] [Indexed: 11/29/2023]
Abstract
Routine semen analysis provides considerable information regarding sperm parameters; however, it is not solely adequate to predict male fertility potential. In the past two decades, several advance sperm function tests have been developed. The present systematic review intends to assess the clinical utility of available advance sperm function tests in predicting the male fertility potential. A systematic literature search was conducted as per PRISMA guidelines using PubMed, MEDLINE, Google Scholar, and Cochrane Library. Different keywords either singly or in combination were used to retrieve the relevant articles related to sperm function tests, male fertility, and pregnancy outcomes. A total of 5169 articles were obtained, out of which 110 meeting the selection criteria were included in this review. The majorly investigated sperm function tests are hypo-osmotic swelling test, acrosome reaction test, sperm capacitation test, hemizona binding assay, sperm DNA fragmentation test, seminal reactive oxygen species test, mitochondrial dysfunction tests, antisperm antibody test, nuclear chromatin de-condensation (NCD) test, etc. The different advance sperm function tests analyse different aspects of sperm function. Hence, any one test may not be helpful to appropriately predict the male fertility potential. Currently, the unavailability of high-quality clinical data, robust thresholds, complex protocols, high cost, etc., are the limiting factors and prohibiting current sperm function tests to reach the clinics. Further multi-centric research efforts are required to fulfil the existing lacunas and pave the way for these tests to be introduced into the clinics.
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Affiliation(s)
- Debarati Sanyal
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive and Child Health, Parel, Mumbai, 400012, India
| | - Deepshikha Arya
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive and Child Health, Parel, Mumbai, 400012, India
| | - Kumari Nishi
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive and Child Health, Parel, Mumbai, 400012, India
| | - Nafisa Balasinor
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive and Child Health, Parel, Mumbai, 400012, India.
| | - Dipty Singh
- Department of Neuroendocrinology, ICMR-National Institute for Research in Reproductive and Child Health, Parel, Mumbai, 400012, India.
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Zhao Y, Kan FWK. Human OVGP1 enhances tyrosine phosphorylation of proteins in the fibrous sheath involving AKAP3 and increases sperm-zona binding. J Assist Reprod Genet 2019; 36:1363-1377. [PMID: 31254143 PMCID: PMC6642236 DOI: 10.1007/s10815-019-01502-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 06/07/2019] [Indexed: 12/26/2022] Open
Abstract
Purpose To investigate if the recombinant human oviduct-specific glycoprotein (rHuOVGP1)–enhanced tyrosine-phosphorylated (pY) proteins are components of specific structure(s) of the sperm tail and if rHuOVGP1 binds to the oocyte and enhances sperm-egg binding. Methods Immunofluorescent staining and confocal microscopy were performed to examine the localization of pY proteins, outer dense fiber (ODF), and A-Kinase Associated Protein 3 (AKAP3) in human sperm during capacitation. Western blot and immunoprecipitation were employed to analyze protein levels of pY proteins and AKAP3. Immunofluorescent staining was performed to examine the binding of rHuOVGP1 to human oocytes. The effect of rHuOVGP1 on enhancing sperm-zona binding was examined using hemizona assay. Results pY proteins were detected mainly in the fibrous sheath (FS) surrounding the ODF with a relatively weak immunoreaction in the neck and mid-piece. Western blot analysis revealed co-migration of the pY 105 kDa protein with AKAP3, which was further confirmed by immunoprecipitation correlating immunofluorescent results of co-localization of pY proteins with AKAP3 in the sperm tail. rHuOVGP1 binds specifically to the zona pellucida (ZP) of human oocytes. Prior incubation of sperm and/or ZP with rHuOVGP1 increased sperm-egg binding. Conclusions The present study revealed that one of the major rHuOVGP1-enhanced pY proteins could be AKAP3 of the FS and that rHuOVGP1 is capable of binding to human ZP and its presence in the medium results in an increase in sperm-zona binding. Supplement of rHuOVGP1 in in vitro fertilization media could be beneficial for enhancement of the fertilizing ability of human sperm.
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Affiliation(s)
- Yuewen Zhao
- Department of Biomedical and Molecular Sciences, Faculty of Health Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - Frederick W K Kan
- Department of Biomedical and Molecular Sciences, Faculty of Health Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada.
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Kızılay F, Altay B. Sperm function tests in clinical practice. Turk J Urol 2017; 43:393-400. [PMID: 29201498 DOI: 10.5152/tud.2017.96646] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 08/07/2017] [Indexed: 12/17/2022]
Abstract
Conventional semen analysis solely is not completely adequate to predict pregnancy outcomes. Therefore, advanced sperm function tests have been developed and introduced to clinical practice. These tests use different methods and techniques to evaluate different stages of fertilization steps. In this review, we reported some commonly used sperm function tests: sperm penetration assay, sperm-zona pellucida binding test (hemizona assay), acrosomal reaction test, hyaluronan binding test, hypo-osmotic swelling test, magnetic-activated cell sorting and zeta sperm selection. We discussed the literature concerning these tests, the utilization techniques and also purpose and mechanism of each test. We emphasized the importance of sperm function tests in predicting in vitro fertilization and pregnancy outcomes and in the management of infertile couples and also the limitations of these tests. Along with improvements in molecular biology techniques, we believe that more applicative and beneficial tests will be developed in the near future.
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Affiliation(s)
- Fuat Kızılay
- Department of Urology, Ege University School of Medicine, İzmir, Turkey
| | - Barış Altay
- Department of Urology, Ege University School of Medicine, İzmir, Turkey
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Nixon B, Bromfield EG, Dun MD, Redgrove KA, McLaughlin EA, Aitken RJ. The role of the molecular chaperone heat shock protein A2 (HSPA2) in regulating human sperm-egg recognition. Asian J Androl 2016; 17:568-73. [PMID: 25865850 PMCID: PMC4492046 DOI: 10.4103/1008-682x.151395] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
One of the most common lesions present in the spermatozoa of human infertility patients is an idiopathic failure of sperm-egg recognition. Although this unique cellular interaction can now be readily by-passed by assisted reproductive strategies such as intracytoplasmic sperm injection (ICSI), recent large-scale epidemiological studies have encouraged the cautious use of this technology and highlighted the need for further research into the mechanisms responsible for defective sperm-egg recognition. Previous work in this field has established that the sperm domains responsible for oocyte interaction are formed during spermatogenesis prior to being dynamically modified during epididymal maturation and capacitation in female reproductive tract. While the factors responsible for the regulation of these sequential maturational events are undoubtedly complex, emerging research has identified the molecular chaperone, heat shock protein A2 (HSPA2), as a key regulator of these events in human spermatozoa. HSPA2 is a testis-enriched member of the 70 kDa heat shock protein family that promotes the folding, transport, and assembly of protein complexes and has been positively correlated with in vitro fertilization (IVF) success. Furthermore, reduced expression of HSPA2 from the human sperm proteome leads to an impaired capacity for cumulus matrix dispersal, sperm-egg recognition and fertilization following both IVF and ICSI. In this review, we consider the evidence supporting the role of HSPA2 in sperm function and explore the potential mechanisms by which it is depleted in the spermatozoa of infertile patients. Such information offers novel insights into the molecular mechanisms governing sperm function.
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Affiliation(s)
- Brett Nixon
- Priority Research Centre in Reproductive Science; Priority Research Centre in Chemical Biology, School of Environmental and Life Sciences, Discipline of Biological Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
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de Araujo GR, de Paula TAR, Deco-Souza TD, Garay RDM, Letícia Bergo C, Csermak-Júnior AC, da Silva LC, Alves SVP. Ocelot and oncilla spermatozoa can bind hen egg perivitelline membranes. Anim Reprod Sci 2015; 163:56-62. [DOI: 10.1016/j.anireprosci.2015.09.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 09/29/2015] [Accepted: 09/30/2015] [Indexed: 10/22/2022]
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Oehninger S, Franken DR, Ombelet W. Sperm functional tests. Fertil Steril 2014; 102:1528-33. [DOI: 10.1016/j.fertnstert.2014.09.044] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Revised: 09/27/2014] [Accepted: 09/30/2014] [Indexed: 11/16/2022]
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Maldera JA, Weigel Munoz M, Chirinos M, Busso D, GE Raffo F, Battistone MA, Blaquier JA, Larrea F, Cuasnicu PS. Human fertilization: epididymal hCRISP1 mediates sperm-zona pellucida binding through its interaction with ZP3. Mol Hum Reprod 2013; 20:341-9. [DOI: 10.1093/molehr/gat092] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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