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Zhou Y, Wang J, Zhuo L, Pei C, Jia S, Tian J, Wang H, Yan B, Ma L. Fluorescent enzyme-based biosensor for sensitive analysis of DNA damage in cryopreserved sperm. Cryobiology 2023; 113:104591. [PMID: 37804950 DOI: 10.1016/j.cryobiol.2023.104591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/12/2023] [Accepted: 10/04/2023] [Indexed: 10/09/2023]
Abstract
The freeze-thaw process can induce irreversible structural and functional changes in human sperm, particularly sperm DNA damage. Selecting a more accurate and sensitive detection method for evaluating sperm DNA integrity is crucial. To accurately assess sperm DNA integrity following the freeze-thaw process and significantly improve the clinical and scientific utilization of cryopreserved sperm. In this study, we utilized a novel fluorescent biosensor, assisted by terminal deoxynucleotidyl transferase (TdT) and Endonuclease IV, to detect DNA breakpoints during sperm cryopreservation. We evaluated the biosensor's performance by comparing it with the conventional DNA fragmentation index (DFI) measured using sperm chromatin structure analysis (SCSA). The cryopreserved group exhibited a significantly higher sperm DFI compared to the fresh group. No significant difference was observed between the antioxidant group and the cryopreserved group. However, the new method revealed a significant reduction in the number of DNA breakpoints in the antioxidant group compared to the cryopreserved group. The novel biosensor demonstrated superior accuracy and effectiveness in assessing sperm DNA integrity during cryopreservation compared to the conventional SCSA method. We believe that the biosensor holds significant potential for widespread use in the field of reproductive medicine.
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Affiliation(s)
- Yue Zhou
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China
| | - Juan Wang
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China; Department of Pathology, Ningxia Medical University, Yinchuan, 750001, PR China
| | - Lifan Zhuo
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China
| | - Chengbin Pei
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China
| | - Shaotong Jia
- Reproductive Center, General Hospital of Ningxia Medical University, Yinchuan, 750004, PR China
| | - Jia Tian
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China
| | - Honghong Wang
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China
| | - Bei Yan
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China.
| | - Lianghong Ma
- Ningxia Human Sperm Bank, Institute of Medical Sciences, General Hospital of Ningxia Medical University, Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Ningxia Medical University, Yinchuan, 750004, PR China.
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Farazmand T, Mansouri F, Koohestanidehaghi Y, Shahandeh E. Human sperm parameter improvement associated with Ceratonia siliqua extract as a cryopreservation supplement after vitrification. Clin Exp Reprod Med 2023; 50:86-93. [PMID: 37258101 DOI: 10.5653/cerm.2022.05554] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 01/14/2023] [Indexed: 06/02/2023] Open
Abstract
OBJECTIVE Given the destructive effects of oxidative stress on sperm structure, this study was conducted to investigate the antioxidant effects of different concentrations of Ceratonia siliqua plant extract on human sperm parameters after the freezing-thawing process. METHODS A total of 20 normozoospermic samples were frozen. Each sample was divided into two control groups (fresh and cryopreservation) and three cryopreservation experimental groups (containing C. siliqua extract at concentrations of 20, 30, and 40 μg/mL in the freezing extender). Motility, intracellular levels of reactive oxygen species (ROS), plasma membrane integrity (PMI), mitochondrial membrane potential (MMP), viability, and acrosome reaction parameters were evaluated. RESULTS Statistical analysis showed that the highest motility, viability, and PMI were associated with the 20 μg/mL concentration of C. siliqua extract. At all concentrations, intracellular ROS levels were significantly lower and the levels of MMP and the acrosome reaction were significantly higher than in the cryopreservation control group (p≤0.05). CONCLUSION C. siliqua extract supplements at concentrations of 20, 30, and 40 μg/mL improved sperm motility, viability, PMI, MMP, intracellular ROS, and the acrosome reaction.
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Affiliation(s)
- Tooba Farazmand
- Department of Gynecology, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Fatemeh Mansouri
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yeganeh Koohestanidehaghi
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Erfan Shahandeh
- Department of Biology, Islamic Azad University of Hamedan, Hamedan, Iran
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Torra-Massana M, Vassena R, Rodríguez A. Sperm cryopreservation does not affect live birth rate in normozoospermic men: analysis of 7969 oocyte donation cycles. Hum Reprod 2023; 38:400-407. [PMID: 36661036 DOI: 10.1093/humrep/dead005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 12/22/2022] [Indexed: 01/21/2023] Open
Abstract
STUDY QUESTION Does sperm cryopreservation influence the reproductive outcomes of normozoospermic patients in oocyte donation cycles? SUMMARY ANSWER After controlling for confounders, the use of cryopreserved semen from normozoospermic patients does not affect pregnancy and live birth rates after elective ICSI. WHAT IS KNOWN ALREADY Sperm cryopreservation by slow freezing is a common practice in ART. While frozen-thawed semen typically presents reduced motility and vitality, its use for ICSI is generally considered adequate in terms of reproductive outcomes. Nevertheless, most studies comparing reproductive outcomes between fresh and cryopreserved sperm include patients with severe male factor (testicular sperm, oligo-, and/or asthenozoospermia) or women of advanced maternal age, where the altered quality of the gametes can partially mask the full effect of freezing/thawing. STUDY DESIGN, SIZE, DURATION The study included a retrospective cohort of 7969 couples undergoing their first oocyte donation cycle between January 2013 and December 2019 in one large clinic, using normozoospermic semen from the male partner. All cycles involved elective ICSI, fresh oocytes, and a fresh embryo transfer, either at cleavage or blastocyst stage. Two study groups were established based on the sperm status: fresh (n = 2865) and cryopreserved (n = 5104). PARTICIPANTS/MATERIALS, SETTING, METHODS A slow freezing protocol was used for all sperm cryopreservation. Sperm washing, capacitation, and selection prior to ICSI were performed identically for fresh and frozen-thawed samples, using pellet swim-up. Fertilization rate (FR), pregnancy (biochemical and ongoing), and live birth rates were compared between study groups using univariate and multivariate regression analyses. MAIN RESULTS AND THE ROLE OF CHANCE Male and female age, sperm concentration and motility after ejaculation, and number of oocytes inseminated were similar between cycles using fresh or cryopreserved sperm. Analysis by Student's t-test did not indicate a significant difference in FR between fresh and cryopreserved sperm (P = 0.0591); however, after adjusting for confounders, this difference reached statistical significance: 74.65% FR for fresh (CI 95%: 73.92-75.38) versus 73.66% for cryopreserved sperm (CI 95%: 73.11-74.20), P = 0.0334. The adjusted regression analysis revealed higher odds of biochemical pregnancy when using fresh sperm (odds ratio (OR): 1.143, P = 0.0175), but no significant effects of sperm cryopreservation were observed for ongoing pregnancy (OR: 1.101, P = 0.0983) and live birth (OR: 1.082, P = 0.1805). LIMITATIONS, REASONS FOR CAUTION Caution should be exerted when extrapolating these results to different protocols for sperm cryopreservation and selection, or to IVM, advanced maternal age and classical IVF cycles, which were excluded from analysis. Owing to the retrospective nature of the study, some uncontrolled for variables may affect the results. WIDER IMPLICATIONS OF THE FINDINGS Sperm cryopreservation does not affect pregnancy and live birth rates in normozoospermic patients, and although it may lower FR s slightly, this would not be clinically relevant. In line with previous studies that included patients with an apparent male or female factor, sperm cryopreservation is a safe and convenient technique. STUDY FUNDING/COMPETING INTEREST(S) The study received no external funding and all authors have no conflicts of interest to declare. TRIAL REGISTRATION NUMBER N/A.
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Liu J, Zhu K, Xu S, Tu W, Lin X, Su Y, Huang R, Deng Y, Liu Y. Double-edged sword: effects of human sperm reactive oxygen species on embryo development in IVF cycles. Reprod Biol Endocrinol 2023; 21:1. [PMID: 36600238 PMCID: PMC9811793 DOI: 10.1186/s12958-022-01053-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 12/28/2022] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND The exact role of sperm reactive oxygen species (ROS) in early embryo development has yet to be fully identified, and most of existing research did not differentiate female infertility factors, ignoring the importance of oocyte quality in embryo development and the large differences in oocyte quality in women with infertility of different etiologies. And there has been no relevant report on whether different types of sperm ROS have distinct effects on embryo development. This study aimed to study the impact of selected sperm ROS, namely, sperm mitochondrial ROS (mROS) and hydrogen peroxide, on human embryo development after conventional in vitro fertilization (IVF) cycles in patients with normo-ovulatory infertility vs. anovulatory infertility. METHODS This was a prospective investigation including 393 couples underwent IVF cycles, among whom 90 patients had anovulatory infertility and 303 patients had normo-ovulatory infertility in a public university-affiliated in vitro fertilization center. Sperm mROS and hydrogen peroxide testing were performed by flow cytometry and analyzed for their relationship with embryo development indices on days 1-6 after IVF. Multivariate logistic regression analysis was used to control for female potential confounders. The nonlinear effects of sperm ROS on embryo development were analyzed by the Restricted cubic spline (RCS) method. RESULTS 1. Multivariate linear logistic regression analysis showed that high proportion of mROS positive sperm improved the 2PN rate (OR = 1.325, 95% CI: 1.103-1.595), day 3 embryo utilization rate (OR = 1.362, 95% CI: 1.151-1.614) and good-quality day 3 embryo rate (OR = 1.391, 95% CI: 1.089-1.783) in patients with anovulatory infertility. High percentage of sperm mROS and hydrogen peroxide had adverse effects on cleavage-stage embryo and blastocyst development in patients with normo-ovulatory infertility. 2. For patients with polycystic ovarian syndrome (PCOS) anovulatory infertility, there were significant distinct effects on embryo development indices between sperm mROS and hydrogen peroxide, and the increased rate of sperm mROS improved the good-quality day 3 embryo rate (OR = 1.435, 95% CI: 1.045-1.981); however, high percentage of sperm hydrogen peroxide reduced the blastocyst utilization rate (OR = 0.555, 95% CI: 0.353-0.864) and the good-quality blastocyst rate (OR = 0.461, 95% CI: 0.292-0.718). 3. Multivariate RCS analysis revealed that sperm ROS had a nonlinear (such as a parabolic curve) effect on embryo development in patients with anovulatory infertility (P < 0.05), and either greatly increased or greatly decreased affected cleavage-stage embryo and blastocyst development. The effects of sperm ROS in patients with normo-ovulatory infertility were both linear and nonlinear. CONCLUSIONS These findings indicate that contrary effects of sperm mROS on embryo development depending on whether patients treated with IVF cycles had normal ovulation. Regardless of whether the patients ovulated normally, increased sperm hydrogen peroxide rate damaged blastocyst development. It is necessary to evaluate male sperm ROS levels and the female ovulatory state to determine an individualized intervention plan before starting cycles, as this may be beneficial for infertile couples.
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Affiliation(s)
- Jin Liu
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Keheng Zhu
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Shiyan Xu
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Wenjiao Tu
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Xiaotan Lin
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Youpeng Su
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Rong Huang
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Yuao Deng
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China
| | - Yu Liu
- Department of Reproductive Medicine Center, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, Guangdong, China.
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Yánez-Ortiz I, Catalán J, Rodríguez-Gil JE, Miró J, Yeste M. Advances in sperm cryopreservation in farm animals: Cattle, horse, pig and sheep. Anim Reprod Sci 2022; 246:106904. [PMID: 34887155 DOI: 10.1016/j.anireprosci.2021.106904] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 12/14/2022]
Abstract
Sperm cryopreservation is one of the most important procedures in the development of biotechnologies for assisted reproduction. In some farm animals, the use of cryopreserved sperm has so many benefits for which relevance has become more evident in recent decades. Values for post-thaw sperm quality, however, are variable among species and within individuals of the same species. There is no standardized methodology for each of the stages of the cryopreservation procedure (andrological examination, semen collection, dilution, centrifugation, resuspension of the pellet with the freezing medium, packaging, freezing and post-thaw sperm evaluation), which also contributes to differences among studies. Cryotolerance markers of sperm and seminal plasma (SP) have been evaluated for prediction of ejaculate freezability. In addition, in previous research, there has been a focus on supplementing cryopreservation media with different substances, such as enzymatic and non-enzymatic antioxidants. In most studies, inclusion of these substances have led to improved post-thaw sperm quality and fertilizing capacity as a result of minimizing the adverse effects on sperm structure and function. Another approach is the use of different cryoprotectants. The aim with this review article is to provide an update on sperm cryopreservation in farm animals. The main detrimental effects of cryopreservation are described, including the negative repercussion on reproductive performance. Furthermore, the potential use of molecular biomarkers to predict sperm cryotolerance is discussed, as well as the addition of substances that can mitigate the harmful impact of freezing and thawing on sperm.
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Akhtar MF, Ma Q, Li Y, Chai W, Zhang Z, Li L, Wang C. Effect of Sperm Cryopreservation in Farm Animals Using Nanotechnology. Animals (Basel) 2022; 12:ani12172277. [PMID: 36077996 PMCID: PMC9454492 DOI: 10.3390/ani12172277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/27/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Sperm cryopreservation is one of the sublime biotechnologies for assisted reproduction. In recent decades, there has been an increasing trend in the use of preserved semen. Post-thaw semen quality and values vary among animals of the same species. Similarly, there are species-specific variations in sperm morphology, i.e., sperm head, kinetic properties, plasma membrane integrity, and freezability. Similarly, the viability of sperm varies in the female reproductive tract, i.e., from a few hours (in cattle) to several days (in chicken). Various steps of sperm cryopreservation, i.e., male health examination, semen collection, dilution, semen centrifugation, pre- and post-thaw semen quality evaluation, lack standardized methodology, that result in differences in opinions. Assisted reproductive technologies (ART), including sperm preservation, are not applied to the same extent in commercial poultry species as in mammalian species for management and economic reasons. Sperm preservation requires a reduction in physiological metabolism by extending the viable duration of the gametes. Physiologically and morphologically, spermatozoa are unique in structure and function to deliver paternal DNA and activate oocytes after fertilization. Variations in semen and sperm composition account for better handling of semen, which can aid in improved fertility. This review aims to provide an update on sperm cryopreservation in farm animals.
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Huang C, Gan RX, Hu JL, Liu F, Hong Y, Zhu WB, Li Z. Clinical benefit for cryopreservation of single human spermatozoa for ICSI: A systematic review and meta-analysis. Andrology 2021; 10:82-91. [PMID: 34365740 DOI: 10.1111/andr.13091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/26/2021] [Accepted: 08/04/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Systematic reviews have focused on sperm recovery and post-thaw parameters after cryopreservation, but there no information on the associated clinical outcomes. In recent years, an increasing number of studies have reported cryopreservation of a single sperm due to the importance of fertility preservation. OBJECTIVES To assess whether the cryopreservation of single human spermatozoa improves clinical outcomes in patients with azoospermia or severe oligospermia. MATERIALS AND METHODS We conducted an extensive literature search using the following databases, CENTRAL, CNKI, Cochrane Systematic Reviews, EMBASE, MEDLINE, PUBMED, and Web of Science for relevant studies published through December 31, 2019. We calculated the pooled proportions of cryopreservation of single human spermatozoon to assess the recovery, survival, fertilization, pregnancy, miscarriage, and delivery rates. Subgroup analyses were performed for the following covariates, a) different carriers, b) year of publication, and c) source of sperm. RESULTS We included 25 studies, which included 13 carriers. The pooled proportion of recovery rate of spermatozoa cryopreserved was 92% (95% CI, 87%-96%), and the survival, fertilization, pregnancy, miscarriage, and delivery rate were 76% (95% CI, 69%-83%), 63% (95% CI, 58%-67%), 57% (95% CI, 39%-74%), 12% (95% CI, 0%-33%), and 40% (95% CI, 12%-71%), respectively. Based on the subgroup analysis, the recovery and survival rates of frozen spermatozoa in subgroup of different carriers were statistically significant. In the past decaade, frozen single human spermatozoon technology has improved the recovery rates of frozen-thawed spermatozoa. However, the differences in clinical outcomes of frozen spermatozoa in subgroup of different sources of sperm were not statistically significant. DISCUSSION AND CONCLUSION The techniques for single human spermatozoa are feasible and efficient and may benefit patients with severe oligospermia or azoospermia. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Chuan Huang
- Department of Andrology, Center for Men's Health, Shanghai General Hospital, Shanghai Key Lab of Reproductive Medicine, Shanghai, People's Republic of China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, People's Republic of China
| | - Run-Xin Gan
- Reproductive Medicine Center, Xiangya Hospital, Central South University, 87 Xiang Ya Road, Changsha, Hunan, People's Republic of China
| | - Jian-Lin Hu
- Department of Andrology, Center for Men's Health, Shanghai General Hospital, Shanghai Key Lab of Reproductive Medicine, Shanghai, People's Republic of China
| | - Feng Liu
- Department of Andrology, Center for Men's Health, Shanghai General Hospital, Shanghai Key Lab of Reproductive Medicine, Shanghai, People's Republic of China
| | - Yan Hong
- Department of Andrology, Center for Men's Health, Shanghai General Hospital, Shanghai Key Lab of Reproductive Medicine, Shanghai, People's Republic of China
| | - Wen-Bing Zhu
- Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, People's Republic of China.,Institute of Reproductive and Stem Cell Engineering, Basic Medicine College, Central South University, Changsha, Hunan, People's Republic of China
| | - Zheng Li
- Department of Andrology, Center for Men's Health, Shanghai General Hospital, Shanghai Key Lab of Reproductive Medicine, Shanghai, People's Republic of China
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Gualtieri R, Kalthur G, Barbato V, Longobardi S, Di Rella F, Adiga SK, Talevi R. Sperm Oxidative Stress during In Vitro Manipulation and Its Effects on Sperm Function and Embryo Development. Antioxidants (Basel) 2021; 10:1025. [PMID: 34202126 DOI: 10.3390/antiox10071025] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/21/2021] [Accepted: 06/23/2021] [Indexed: 12/25/2022] Open
Abstract
Reactive oxygen species (ROS) generated at low levels during mitochondrial respiration have key roles in several signaling pathways. Oxidative stress (OS) arises when the generation of ROS exceeds the cell's antioxidant scavenging ability and leads to cell damage. Physiological ROS production in spermatozoa regulates essential functional characteristics such as motility, capacitation, acrosome reaction, hyperactivation, and sperm-oocyte fusion. OS can have detrimental effects on sperm function through lipid peroxidation, protein damage, and DNA strand breakage, which can eventually affect the fertility of an individual. Substantial evidence in the literature indicates that spermatozoa experiencing OS during in vitro manipulation procedures in human- and animal-assisted reproduction are increasingly associated with iatrogenic ROS production and eventual impairment of sperm function. Although a direct association between sperm OS and human assisted reproductive techniques (ART) outcomes after in vitro fertilization (IVF) and/or intracytoplasmic sperm injection (ICSI) is still a matter of debate, studies in animal models provide enough evidence on the adverse effects of sperm OS in vitro and defective fertilization and embryo development. This review summarized the literature on sperm OS in vitro, its effects on functional ability and embryo development, and the approaches that have been proposed to reduce iatrogenic sperm damage and altered embryonic development.
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Setti AS, Braga DPAF, Iaconelli A, Borges E. Cryopreservation of both male and female gametes leads to reduced embryo development and implantation potential. ZYGOTE 2021;:1-6. [PMID: 33731233 DOI: 10.1017/S0967199421000149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The objective of this study was to investigate the effect of oocyte and sperm cryopreservation on donated eggs submitted to intracytoplasmic sperm injection (ICSI) cycles. Medical charts of 122 oocyte recipients undergoing 152 oocyte recipient ICSI cycles, from 2017 to 2018, in a private university-affiliated in vitro fertilization (IVF) centre, were reviewed in this historical cohort study. Cycles were divided into four groups according to the gamete status: the FO/FS Group, recipients in which fresh oocytes were injected with fresh sperm (n = 19); the FO/CrS Group, recipients in which fresh oocytes were injected with cryopreserved sperm (n = 14); the CrO/FS Group, recipients in which cryopreserved oocytes were injected with fresh sperm (n = 85); and the CrO/CrS Group, recipients in which cryopreserved oocytes were injected with cryopreserved sperm (n = 34). Generalized mixed models fit by restricted maximum likelihood, followed by Bonferroni post hoc test for the comparison of means amongst groups were used to investigate the effect of cryopreservation on recipient ICSI outcomes. The results were expressed as mean differences with 95% confidence intervals and P-values. The main outcome measure was the implantation rate. Normal day 3 cleavage speed, blastocyst development and implantation rates were significantly lower in the CrO/CrS Group compared with the FO/FS Group. In conclusion, embryo developmental competence and implantation potential were reduced when vitrified oocytes were injected with frozen sperm in an egg-sharing donation programme.
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Shangguan A, Zhou H, Sun W, Ding R, Li X, Liu J, Zhou Y, Chen X, Ding F, Yang L, Zhang S. Cryopreservation Induces Alterations of miRNA and mRNA Fragment Profiles of Bull Sperm. Front Genet 2020; 11:419. [PMID: 32431726 PMCID: PMC7214931 DOI: 10.3389/fgene.2020.00419] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 04/03/2020] [Indexed: 11/30/2022] Open
Abstract
Although cryopreservation of bull semen is widely used commercially in the livestock breeding industry, cryopreservation results in low fertility of bull sperm. As an important regulatory factor, the alteration of small non-coding RNA (sncRNA) profile during cryopreservation of bull sperm is not yet completely known. In the present study, we sequenced sncRNAs of frozen and fresh sperm to study the link of alteration of the sncRNA profiles (particularly in miRNAs and mRNA fragments) with low sperm fertility caused by cryopreservation. We identified 55 miRNAs and 526 mRNA fragments differentially expressed (DE) between frozen and fresh sperm. Subsequently, the functional analysis revealed that targeted genes of DE miRNAs in sperm had roles in the fertilization, ATP, and apoptosis. Instead, targeted genes of DE miRNAs in cow metaphase II oocyte were significantly enriched in the MAPK signaling pathway, autophagy-animal pathway, and mitophagy-animal pathway. Additionally, biological processes of DNA repair, spermatid development, response to temperature stimulus, and cellular response to DNA damage stimulus were enriched by mRNA fragments. In conclusion, we found that DE miRNAs or DE mRNA fragments in cryopreservation may influence the fertility of sperm, these findings will provide the reference to improve the cryopreservation technology of bull semen.
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Affiliation(s)
- Aishao Shangguan
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hao Zhou
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Wei Sun
- Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic Animal, Hohhot, China
| | - Rui Ding
- Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic Animal, Hohhot, China
| | - Xihe Li
- Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic Animal, Hohhot, China
| | - Jiajia Liu
- School of Biological Science and Technology, University of Jinan, Jinan, China
| | - Yang Zhou
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xing Chen
- Institute of Animal Husbandry and Veterinary, Wuhan Academy of Agricultural Science, Wuhan, China
| | - Fengling Ding
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Liguo Yang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Shujun Zhang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Education Ministry of China, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
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Seifi S, Shahverdi A, Rezaei Topraggaleh T, Sharafi M, Esmaeili V, Choobineh H, Zamiri MJ, Habibi M, Alizadeh A. Inclusion of ovine enriched serum with vitamin E and polyunsaturated fatty acids in the freezing medium: a new strategy to improve human frozen-thawed sperm parameters. Andrologia 2020; 52:e13541. [PMID: 32056286 DOI: 10.1111/and.13541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 11/10/2019] [Accepted: 01/06/2020] [Indexed: 02/02/2023] Open
Abstract
The objective was to evaluate the effect of inclusion of 2.5% and 5% ovine serum, enriched with vitamin E (Vit E) and fish oil (FO), in human sperm freezing medium. Serum samples were prepared from sixteen rams (n = 4) feeding on a without supplemented diet, and diets supplemented with Vit E, FO and Vit E + FO. Semen samples, from 60 normozoospermic men, were frozen in: (I) a commercial freezing medium (SpermFreeze™; control medium), (II) the commercial freezing medium containing foetal bovine serum, (III) the commercial freezing medium + nonenriched serum (serum group), (IV) the commercial freezing medium + Vit E enriched serum (Vit E group), (V) the commercial freezing medium + FO enriched serum (FO group) and (VI) the commercial freezing medium + Vit E + FO enriched serum (Vit E + FO group). Sperm total and progressive motility, morphology, viability and plasma membrane integrity were significantly higher (p ≤ .05) in Vit E and Vit E + FO groups compared with the control group. Mitochondrial membrane potential did not differ between treatments (p > .05). It was concluded that ovine serum enriched with vitamin E and vitamin E + FO improved the quality of human spermatozoa but enriched serum containing FO could not improve the sperm cryo-injuries.
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Affiliation(s)
- Soroush Seifi
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Abdolhossein Shahverdi
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Tohid Rezaei Topraggaleh
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohsen Sharafi
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Department of Poultry Sciences, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Vahid Esmaeili
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Hamid Choobineh
- School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Javad Zamiri
- Department of Animal Science, College of Agriculture, Shiraz University, Shiraz, Iran
| | - Mohammad Habibi
- Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK, USA
| | - AliReza Alizadeh
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
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12
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Taher-Mofrad SMJ, Topraggaleh TR, Ziarati N, Bucak MN, Nouri M, Seifi S, Esmaeili V, Rahimizadeh P, Shahverdi A. Knockout serum replacement is an efficient serum substitute for cryopreservation of human spermatozoa. Cryobiology 2020; 92:208-14. [PMID: 32004575 DOI: 10.1016/j.cryobiol.2020.01.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/16/2020] [Accepted: 01/16/2020] [Indexed: 12/14/2022]
Abstract
The freeze-thaw procedure causes irreversible structural and functional changes in human spermatozoa. In order to decrease the detrimental effects of cryopreservation and improve the quality of post-thawed spermatozoa, the constituents of the freezing solution attracted considerable attention. In this study, for the first time, we evaluated the efficacy of knockout serum replacement (KSR) as a substitute for human serum albumin (HSA) for cryopreservation of human spermatozoa. Twenty semen samples were collected from normozoospermic men and divided them into five equal groups. One of the aliquots was diluted with glycerol-based medium as a control group (CON). The other four aliquots were diluted with the sucrose solution containing 5% HSA (H5), 10% HSA (H10), 5% KSR (K5), and 10% KSR (K10). The diluted samples were frozen and preserved in liquid nitrogen. Post thawed sperm parameters including motion characteristics, viability, membrane integrity, mitochondrial activity, acrosome integrity and DNA intactness in all of the sucrose-based groups were comparable with glycerol-based medium. The replacement of HSA by 10% KSR in the freezing medium resulted in significantly higher post-thawed viability, acrosome integrity and DNA intactness compared with other sucrose-based groups. In conclusion, the addition of 10% KSR to the sucrose-based freezing solution improves the quality of post-thawed human spermatozoa and may have potential to develop chemically defined freezing medium.
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13
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Borges E, Zanetti BF, Setti AS, Braga DPDAF, Provenza RR, Iaconelli A. Sperm DNA fragmentation is correlated with poor embryo development, lower implantation rate, and higher miscarriage rate in reproductive cycles of non-male factor infertility. Fertil Steril 2019; 112:483-490. [PMID: 31200969 DOI: 10.1016/j.fertnstert.2019.04.029] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 04/22/2019] [Accepted: 04/22/2019] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To study the implications of sperm DNA fragmentation (SDF) in intracytoplasmic sperm injection cycles for non-male factor infertility. DESIGN Prospective cohort study. SETTING Private university-affiliated IVF center. PATIENT(S) Data from 475 cycles performed from June 2016 to June 2017. INTERVENTION(S) Cycles were divided according to SDF rate into two groups: <30% SDF (n = 433) and ≥30% SDF (n = 42). Laboratory and clinical outcomes were compared between groups by generalized linear models adjusted for potential confounders. MAIN OUTCOME MEASURE(S) Embryo quality and miscarriage rates. RESULT(S) Fertilization rate was similar between groups (≥30% SDF, 85.28% ± 1.06% vs. <30% SDF, 90.68% ± 3.61%). Significantly lower rates of normal cleavage speed (≥30% SDF, 61.12% ± 4.21% vs. <30% SDF, 72.53% ± 1.24%), high-quality embryos at day 3 (≥30% SDF, 23.07% ± 5.56% vs. <30% SDF, 36.41% ± 1.53%), blastocyst formation (≥30% SDF, 39.09% ± 2.73% vs. <30% SDF, 58.83% ± 7.59%), blastocyst quality (≥30% SDF, 11.97% ± 1.22% vs. <30% SDF, 30.09% ± 2.39%), and implantation (33.24% ± 1.66% vs. <30% SDF, 46.40% ± 4.61%) were observed in cycles with higher SDF, despite similar pregnancy rates (≥30% SDF, 30.40% vs. <30% SDF, 32.40%). A 2.5-fold miscarriage rate was observed in cycles with an SDF above the established cutoff (≥30% SDF, 42.8% vs. <30% SDF, 16.8%). CONCLUSION(S) Higher SDF is correlated with poor embryo development, lower implantation rate, and higher miscarriage rate in non-male factor infertility intracytoplasmic sperm injection cycles. Since defects in sperm may be hidden, the SDF test can bring additional information to the sperm quality evaluation of men with unknown infertility history.
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Affiliation(s)
- Edson Borges
- Fertility Medical Group, São Paulo, Brazil; Instituto Sapientiae, Centro de Estudos e Pesquisa em Reprodução Humana Assistida, São Paulo, Brazil.
| | - Bianca Ferrarini Zanetti
- Fertility Medical Group, São Paulo, Brazil; Instituto Sapientiae, Centro de Estudos e Pesquisa em Reprodução Humana Assistida, São Paulo, Brazil
| | - Amanda Souza Setti
- Fertility Medical Group, São Paulo, Brazil; Instituto Sapientiae, Centro de Estudos e Pesquisa em Reprodução Humana Assistida, São Paulo, Brazil
| | | | | | - Assumpto Iaconelli
- Fertility Medical Group, São Paulo, Brazil; Instituto Sapientiae, Centro de Estudos e Pesquisa em Reprodução Humana Assistida, São Paulo, Brazil
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14
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Yang C, Xu L, Cui Y, Wu B, Liao Z. Potent humanin analogue (HNG) protects human sperm from freeze-thaw-induced damage. Cryobiology 2019; 88:47-53. [DOI: 10.1016/j.cryobiol.2019.04.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/06/2019] [Accepted: 04/02/2019] [Indexed: 01/18/2023]
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15
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Hezavehei M, Sharafi M, Kouchesfahani HM, Henkel R, Agarwal A, Esmaeili V, Shahverdi A. Sperm cryopreservation: A review on current molecular cryobiology and advanced approaches. Reprod Biomed Online 2018; 37:327-339. [PMID: 30143329 DOI: 10.1016/j.rbmo.2018.05.012] [Citation(s) in RCA: 187] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Revised: 05/19/2018] [Accepted: 05/22/2018] [Indexed: 11/19/2022]
Abstract
The cryopreservation of spermatozoa was introduced in the 1960s as a route to fertility preservation. Despite the extensive progress that has been made in this field, the biological and biochemical mechanisms involved in cryopreservation have not been thoroughly elucidated to date. Various factors during the freezing process, including sudden temperature changes, ice formation and osmotic stress, have been proposed as reasons for poor sperm quality post-thaw. Little is known regarding the new aspects of sperm cryobiology, such as epigenetic and proteomic modulation of sperm and trans-generational effects of sperm freezing. This article reviews recent reports on molecular and cellular modifications of spermatozoa during cryopreservation in order to collate the existing understanding in this field. The aim is to discuss current freezing techniques and novel strategies that have been developed for sperm protection against cryo-damage, as well as evaluating the probable effects of sperm freezing on offspring health.
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Affiliation(s)
- Maryam Hezavehei
- Department of EmbryologyReproductive Biomedicine Research CentreRoyan Institute for Reproductive BiomedicineACECRTehranIran; Department of Animal BiologyFaculty of Biological SciencesKharazmi UniversityTehranIran
| | - Mohsen Sharafi
- Department of Poultry ScienceFaculty of AgricultureTarbiat Modares UniversityTehranIran.
| | | | - Ralf Henkel
- American Centre for Reproductive MedicineCleveland ClinicClevelandUSA
| | - Ashok Agarwal
- Department of Medical BioscienceUniversity of the Western CapeBellvilleSouth Africa
| | - Vahid Esmaeili
- Department of EmbryologyReproductive Biomedicine Research CentreRoyan Institute for Reproductive BiomedicineACECRTehranIran
| | - Abdolhossein Shahverdi
- Department of EmbryologyReproductive Biomedicine Research CentreRoyan Institute for Reproductive BiomedicineACECRTehranIran.
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16
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Makarova NP, Romanov YA, Dolgushina NV, Parker MM, Krasnyi AM. Comparative Analysis of the Expression of Glutathione Peroxidase and Glutathione Reductase Genes in Human Sperm after Cryopreservation. Bull Exp Biol Med 2018; 165:166-170. [DOI: 10.1007/s10517-018-4121-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Indexed: 11/28/2022]
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17
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Zhang YL, Zhang GM, Jia RX, Wan YJ, Yang H, Sun LW, Han L, Wang F. Non-invasive assessment of culture media from goat cloned embryos associated with subjective morphology by gas chromatography - mass spectroscopy-based metabolomic analysis. Anim Sci J 2017; 89:31-41. [PMID: 28833899 DOI: 10.1111/asj.12885] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Accepted: 06/21/2017] [Indexed: 12/29/2022]
Abstract
Pre-implantation embryo metabolism demonstrates distinctive characteristics associated with the development potential of embryos. We aim to determine if metabolic differences correlate with embryo morphology. In this study, gas chromatography - mass spectroscopy (GC-MS)-based metabolomics was used to assess the culture media of goat cloned embryos collected from high-quality (HQ) and low-quality (LQ) groups based on morphology. Expression levels of amino acid transport genes were further examined by quantitative real-time PCR. Results showed that the HQ group presented higher percentages of blastocysts compared with the LQ counterparts (P < 0.05). Metabolic differences were also present between HQ and LQ groups. The culture media of the HQ group showed lower levels of valin, lysine, glutamine, mannose and acetol, and higher levels of glucose, phytosphingosine and phosphate than those of the LQ group. Additionally, expression levels of amino acid transport genes SLC1A5 and SLC3A2 were significantly lower in the HQ group than the LQ group (P < 0.05, respectively). To our knowledge, this is the first report which uses GC-MS to detect metabolic differences in goat cloned embryo culture media. The biochemical profiles may help to select the most in vitro viable embryos.
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Affiliation(s)
- Yan-Li Zhang
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Guo-Min Zhang
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Ruo-Xin Jia
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Yong-Jie Wan
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Hua Yang
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Ling-Wei Sun
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Le Han
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Feng Wang
- Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science, Nanjing Agricultural University, Nanjing, China
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18
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Eastick J, Venetis C, Cooke S, Storr A, Susetio D, Chapman M. Is early embryo development as observed by time-lapse microscopy dependent on whether fresh or frozen sperm was used for ICSI? A cohort study. J Assist Reprod Genet 2017; 34:733-740. [PMID: 28455755 DOI: 10.1007/s10815-017-0928-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 04/18/2017] [Indexed: 11/30/2022] Open
Abstract
PURPOSE The aim of this study was to compare timings of key events of embryo development from those originating from either fresh or cryopreserved ejaculate sperm using time-lapse technology. METHODS In this retrospective observational cohort study, time-lapse technology was used to monitor 1927 embryos from 234 women undergoing intracytoplasmic sperm injection (ICSI) and utilizing either fresh (n = 172 cycles) or cryopreserved ejaculate sperm (n = 62 cycles) for insemination were included in the study. Key developmental events as described in time-lapse were compared with the use of generalized estimating equations (GEE) to adjust for any auto-correlation between the observations. In addition, multivariable logit regression models were used to account for any known baseline differences between the two groups. RESULTS There were no differences in conventional embryo development such as number of 8-cell embryos by 72 h (p = 0.359), the number of blastocysts by 120 h (p = 0.417), and the number of top quality blastocysts (p = 0.956) between the two groups compared. There were no statistical differences in the timings of any of the key embryo developmental events (PN_t1, NEBD, cytokinesis, t2, t3, t4, t5, t6, t7, t8, tM, tSB, tEB, tHB, s1, s2, s3, cc2, and cc3) when either fresh or cryopreserved ejaculate sperm was used for ICSI. This was also confirmed with conventional morphological assessment. CONCLUSIONS This observational cohort study has shown that there are no differences in the morphokinetic parameters of early embryo development when either fresh or frozen ejaculate sperm are used for ICSI insemination.
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Affiliation(s)
- Jessica Eastick
- Hunter IVF, IVF Australia, PO Box 417, New Lambton, New South Wales, 2305, Australia. .,University of New South Wales, Sydney, New South Wales, Australia.
| | - Christos Venetis
- Hunter IVF, IVF Australia, PO Box 417, New Lambton, New South Wales, 2305, Australia.,University of New South Wales, Sydney, New South Wales, Australia
| | - Simon Cooke
- Hunter IVF, IVF Australia, PO Box 417, New Lambton, New South Wales, 2305, Australia
| | - Ashleigh Storr
- Hunter IVF, IVF Australia, PO Box 417, New Lambton, New South Wales, 2305, Australia.,University of New South Wales, Sydney, New South Wales, Australia
| | - Daisy Susetio
- Hunter IVF, IVF Australia, PO Box 417, New Lambton, New South Wales, 2305, Australia
| | - Michael Chapman
- Hunter IVF, IVF Australia, PO Box 417, New Lambton, New South Wales, 2305, Australia.,University of New South Wales, Sydney, New South Wales, Australia
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19
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Bogle OA, Kumar K, Attardo-Parrinello C, Lewis SEM, Estanyol JM, Ballescà JL, Oliva R. Identification of protein changes in human spermatozoa throughout the cryopreservation process. Andrology 2016; 5:10-22. [PMID: 27860400 DOI: 10.1111/andr.12279] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 07/15/2016] [Accepted: 07/30/2016] [Indexed: 01/11/2023]
Abstract
Cryoinjury is a consequence of cryopreservation and may have a negative impact on sperm quality regarding motility, morphology, and viability. This study was designed to identify potential proteomic changes in human sperm cells throughout the cryopreservation process. Comparisons made within this study included the detection of the sperm proteomic changes induced by incubation of the sperm cells with a protein-free cryoprotectant (with and without CryoSperm), and the proteomic changes induced by freezing, thawing, and subsequent after-thawing incubation at two different temperatures (0 °C vs. 23 °C). Tandem Mass Tag (TMT) peptide labeling coupled with LC-MS/MS was used for protein quantification. LC-MS/MS resulted in the identification of 769 quantifiable proteins. The abundance of 105 proteins was altered upon CryoSperm incubation. Freezing and thawing also induced substantial protein changes. However, fewer changes were observed when semen was thawed and then maintained after-thawing at approximately 0 °C than when it was maintained after-thawing at 23 °C, with 60 and 99 differential proteins detected, respectively, as compared to unfrozen semen incubated in CryoSperm. Collectively, these differences indicate that substantial changes occur in the sperm proteome at every stage of the cryopreservation process which may ultimately impair the sperm fertilizing capability. This is the first study to compare protein levels in fresh and cryopreserved semen using the TMT technology coupled to LC-MS/MS.
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Affiliation(s)
- O A Bogle
- Molecular Biology of Reproduction and Development Research Group, Department of Biomedicine, Faculty of Medicine, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Biochemistry and Molecular Genetics Service, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - K Kumar
- Centre for Public Health, Reproductive Medicine, Institute of Clinical Science, Queen's University Belfast, Northern Ireland, UK
| | - C Attardo-Parrinello
- Molecular Biology of Reproduction and Development Research Group, Department of Biomedicine, Faculty of Medicine, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Biochemistry and Molecular Genetics Service, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - S E M Lewis
- Centre for Public Health, Reproductive Medicine, Institute of Clinical Science, Queen's University Belfast, Northern Ireland, UK
| | - J M Estanyol
- Proteomics Unit, Scientific Technical Services, University of Barcelona, Barcelona, Spain
| | - J L Ballescà
- Clinic Institute of Gynecology, Obstetrics and Neonatology, Clinic Hospital, Barcelona, Spain
| | - R Oliva
- Molecular Biology of Reproduction and Development Research Group, Department of Biomedicine, Faculty of Medicine, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Biochemistry and Molecular Genetics Service, Hospital Clínic, University of Barcelona, Barcelona, Spain
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