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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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Kaiyal RS, Karna KK, Kuroda S, Sgayer I, Shlush E, Vij SC, Lundy SD, Cannarella R. Sperm chromatin dispersion assay reliability and assisted reproductive technology outcomes: Systematic review and meta-analysis. Andrology 2024. [PMID: 39132969 DOI: 10.1111/andr.13725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 07/23/2024] [Accepted: 07/25/2024] [Indexed: 08/13/2024]
Abstract
OBJECTIVE Elevated sperm DNA fragmentation has potential implications for semen quality and fertility. The commonly used sperm chromatin dispersion test offers an indirect estimation but has limitations in terms of bias and variability. This study aimed to assess the reliability of the sperm chromatin dispersion assay for predicting assisted reproductive technology outcomes. MATERIALS AND METHODS This systematic review included studies published until December 2023 that adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. PubMed/MEDLINE, Scopus, and Google Scholar databases were searched. Various assisted reproductive technology outcomes in patients with high (≥ 30%) versus low (< 30%) sperm DNA fragmentation were compared using a sperm chromatin dispersion assay and including a sub-analysis of intracytoplasmic sperm injection versus in vitro fertilization. A comprehensive meta-analysis software facilitated quantitative analysis with statistical comparisons between cases and controls. Interstudy heterogeneity was assessed, and sensitivity and publication bias tests were performed. RESULTS Of the 199 abstracts assessed, 64 full-text articles were screened, and 44 articles were qualitatively synthesized. Fourteen articles representing 5346 participants were quantitatively analyzed. Using the sperm chromatin dispersion assay, elevated sperm DNA fragmentation was associated with lower fertilization and embryo cleavage rates. Notably, high sperm DNA fragmentation levels did not affect the clinical pregnancy, implantation, miscarriage, or live birth outcomes. Sub-analysis revealed lower fertilization, embryo cleavage, clinical pregnancy, live birth rates, and higher miscarriage rates in the intracytoplasmic sperm injection subgroup only. CONCLUSIONS The sperm chromatin dispersion assay did not show significant differences in pregnancy or live birth rates between the high- and low-sperm DNA fragmentation groups. Noteworthy, high sperm DNA fragmentation was associated with worse assisted reproductive technology outcomes in the intracytoplasmic sperm injection group. Given the current quality of the evidence, affected by the experimental design and the absence of correction for female factors of infertility, clinicians should be wary of the assay's limited predictive power for pregnancy and live birth outcomes.
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Affiliation(s)
- Raneen Sawaid Kaiyal
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Keshab Kumar Karna
- Department of Molecular Cell and Cancer Biology, Umass Chan Medical School, Worcester, Massachusetts, USA
| | - Shinnosuke Kuroda
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Inshirah Sgayer
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Ekaterina Shlush
- Department of Obstetrics and Gynecology, Galilee Medical Center, Nahariya, Israel
- Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Sarah C Vij
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Scott D Lundy
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
| | - Rossella Cannarella
- Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
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Hsu CY, Jasim SA, Pallathadka H, Kumar A, Konnova K, Qasim MT, Alubiady MHS, Pramanik A, Al-Ani AM, Abosaoda MK. A comprehensive insight into the contribution of epigenetics in male infertility; focusing on immunological modifications. J Reprod Immunol 2024; 164:104274. [PMID: 38865894 DOI: 10.1016/j.jri.2024.104274] [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: 04/16/2024] [Revised: 05/24/2024] [Accepted: 06/03/2024] [Indexed: 06/14/2024]
Abstract
Numerous recent studies have examined the impact epigenetics-including DNA methylation-has on spermatogenesis and male infertility. Differential methylation of several genes has been linked to compromised spermatogenesis and/or reproductive failure. Specifically, male infertility has been frequently associated with DNA methylation abnormalities of MEST and H19 inside imprinted genes and MTHFR within non-imprinted genes. Microbial infections mainly result in male infertility because of the immune response triggered by the bacteria' accumulation of immune cells, proinflammatory cytokines, and chemokines. Thus, bacterially produced epigenetic dysregulations may impact host cell function, supporting host defense or enabling pathogen persistence. So, it is possible to think of pathogenic bacteria as potential epimutagens that can alter the epigenome. It has been demonstrated that dysregulated levels of LncRNA correlate with motility and sperm count in ejaculated spermatozoa from infertile males. Therefore, a thorough understanding of the relationship between decreased reproductive capacity and sperm DNA methylation status should aid in creating new diagnostic instruments for this condition. To fully understand the mechanisms influencing sperm methylation and how they relate to male infertility, more research is required.
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Affiliation(s)
- Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | | | | | - Ashwani Kumar
- Department of Life Sciences, School of Sciences, Jain (Deemed-to-be) University, Bengaluru, Karnataka 560069, India; Department of Pharmacy, Vivekananda Global University, Jaipur, Rajasthan 303012, India
| | - Karina Konnova
- Assistant of the Department of Propaedeutics of Dental Diseases. Sechenov First Moscow State Medical University, Russia
| | - Maytham T Qasim
- College of Health and Medical Technology, Al-Ayen University, Thi-Qar 64001, Iraq
| | | | - Atreyi Pramanik
- School of Applied and Life Sciences, Divison of Research and Innovation, Uttaranchal University, Dehradun, Uttarakhand, India
| | | | - Munther Kadhim Abosaoda
- College of Technical Engineering, the Islamic University, Najaf, Iraq; College of Technical Engineering, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq; College of Technical Engineering, the Islamic University of Babylon, Babylon, Iraq
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4
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Ziouziou I, Rambhatla A, Shah R, Agarwal A. Sperm DNA fragmentation and infertility: a narrative review. World J Urol 2024; 42:408. [PMID: 38990348 DOI: 10.1007/s00345-024-05090-2] [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: 03/11/2024] [Accepted: 05/26/2024] [Indexed: 07/12/2024] Open
Abstract
PURPOSE The purpose of this narrative review is to provide a practical understanding of sperm DNA fragmentation (SDF) in the management of male infertility. METHODS A search for systematic reviews and meta-analyses (SRMA) on SDF between April 1st, 2018 and April 1st, 2023 was performed using PubMed and articles were selected as per their relevance to the topic. Guidelines from major societies were also reviewed. Three clinical cases are reported and discussed. RESULTS The search initially identified 80 articles. We selected 13 SRMAs based on their relevance to the topic. Of the 13 SRMAs, 7 evaluated the effect of SDF on assisted reproductive technology (ART) outcomes and recurrent pregnancy loss, 3 studied the effect of varicocele repair on SDF, and 3 evaluated the role of SDF involving lifestyle and environmental health factors including body mass index and male factor treatment strategies. CONCLUSION Evidence suggests that increased SDF has a negative impact on natural pregnancy and ART outcomes. SDF testing may be particularly important in the infertility evaluation of men with varicoceles, idiopathic or unexplained infertility, recurrent pregnancy loss, or previous ART failure. Further studies are needed on SDF testing and the implications it can have on male factor infertility and pregnancy outcomes as well as its implementation in the setting of ART.
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Affiliation(s)
- Imad Ziouziou
- Department of Urology, Souss Massa University Hospital, Faculty of Medicine and Pharmacy of Agadir, Ibn Zohr University, Agadir, Morocco
- Global Andrology Forum, Moreland Hills, OH, USA
| | - Amarnath Rambhatla
- Global Andrology Forum, Moreland Hills, OH, USA
- Department of Urology, Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI, USA
| | - Rupin Shah
- Department of Urology, Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI, USA
- Division of Andrology, Department of Urology, Lilavati Hospital and Research Centre, Mumbai, India
| | - Ashok Agarwal
- Global Andrology Forum, Moreland Hills, OH, USA.
- Cleveland Clinic, Cleveland, OH, USA.
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5
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Sudhakaran G, Kesavan D, Kandaswamy K, Guru A, Arockiaraj J. Unravelling the epigenetic impact: Oxidative stress and its role in male infertility-associated sperm dysfunction. Reprod Toxicol 2024; 124:108531. [PMID: 38176575 DOI: 10.1016/j.reprotox.2023.108531] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/23/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
Male infertility is a multifactorial condition influenced by epigenetic regulation, oxidative stress, and mitochondrial dysfunction. Oxidative stress-induced damage leads to epigenetic modifications, disrupting gene expression crucial for spermatogenesis and fertilization. Paternal exposure to oxidative stress induces transgenerational epigenetic alterations, potentially impacting male fertility in offspring. Mitochondrial dysfunction impairs sperm function, while leukocytospermia exacerbates oxidative stress-related sperm dysfunction. Therefore, this review focuses on understanding these mechanisms as vital for developing preventive strategies, including targeting oxidative stress-induced epigenetic changes and implementing lifestyle modifications to prevent male infertility. This study investigates how oxidative stress affects the epigenome and sperm production, function, and fertilization. Unravelling the molecular pathways provides valuable insights that can advance our scientific understanding. Additionally, these findings have clinical implications and can help to address the significant global health issue of male infertility.
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Affiliation(s)
- Gokul Sudhakaran
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulathur 603203, Tamil Nadu, India
| | - D Kesavan
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulathur 603203, Tamil Nadu, India
| | - Karthikeyan Kandaswamy
- Department of Cariology, Saveetha Dental College and Hospitals, SIMATS, Chennai 600077, Tamil Nadu, India
| | - Ajay Guru
- Department of Cariology, Saveetha Dental College and Hospitals, SIMATS, Chennai 600077, Tamil Nadu, India.
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulathur 603203, Tamil Nadu, India.
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Nadjarzadeh A, Fallahzadeh A, Abasi A, Poornematy MM, Farahzadi HR, Fatemi Aghda SA. Determining the content and needs assessment a mobile-based self-care program in infertile men. BMC Med Inform Decis Mak 2023; 23:258. [PMID: 37957627 PMCID: PMC10644630 DOI: 10.1186/s12911-023-02366-2] [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: 06/19/2023] [Accepted: 11/06/2023] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND Infertility is a public health problem in the world, using new technology, such as mobile phones, is increasing in the field of health. This study aimed to determine the Necessity of self-care training contents by performing a needs analysis among men with infertility problems to design a mobile phone-based application. METHODS Followed by reviewing the related literature, a questionnaire including 40 educational items and seven software features was designed in three general sections and distributed among 30 specialists in nutrition (n = 18) and infertility (n = 12). The validity of the questionnaire was confirmed by a panel of experts in nutrition, infertility, and medical informatics. The questionnaire's reliability was also corroborated by Cronbach's alpha of 86.4. RESULTS All items related to the software features and most items in the questionnaire were deemed necessary by participants. However, the items: "Occupation and history of chronic diseases" in the demographic information section and "Effects of infertility and food allergy" in the educational section were not confirmed. CONCLUSION The present findings could not only highlight the patients' roles in managing their disease but also increase the healthcare workers' awareness in designing the hospital information system.
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Affiliation(s)
- Azadeh Nadjarzadeh
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Alireza Fallahzadeh
- Research Center for Health Technology Assessment and Medical Informatics, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Arezoo Abasi
- Department of Health Information Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mehdi Poornematy
- Research Center for Health Technology Assessment and Medical Informatics, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hamid Reza Farahzadi
- Research Center for Health Technology Assessment and Medical Informatics, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Seyed Ali Fatemi Aghda
- Research Center for Health Technology Assessment and Medical Informatics, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
- Department of Health Information Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran.
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Viñolas-Vergés E, Ribas-Maynou J, Barranco I, Peres Rubio C, Bonet S, Roca J, Yeste M. Chromatin condensation but not DNA integrity of pig sperm is greater in the sperm-rich fraction. J Anim Sci Biotechnol 2023; 14:139. [PMID: 37926841 PMCID: PMC10626759 DOI: 10.1186/s40104-023-00938-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 09/10/2023] [Indexed: 11/07/2023] Open
Abstract
BACKGROUND Protamination and condensation of sperm chromatin as well as DNA integrity play an essential role during fertilization and embryo development. In some mammals, like pigs, ejaculates are emitted in three separate fractions: pre-sperm, sperm-rich (SRF) and post sperm-rich (PSRF). These fractions are known to vary in volume, sperm concentration and quality, as well as in the origin and composition of seminal plasma (SP), with differences being also observed within the SRF one. Yet, whether disparities in the DNA integrity and chromatin condensation and protamination of their sperm exist has not been interrogated. RESULTS This study determined chromatin protamination (Chromomycin A3 test, CMA3), condensation (Dibromobimane test, DBB), and DNA integrity (Comet assay) in the pig sperm contained in the first 10 mL of the SRF (SRF-P1), the remaining portion of the sperm-rich fraction (SRF-P2), and the post sperm-rich fraction (PSRF). While chromatin protamination was found to be similar between the different ejaculate fractions (P > 0.05), chromatin condensation was seen to be greater in SRF-P1 and SRF-P2 than in the PSRF (P = 0.018 and P = 0.004, respectively). Regarding DNA integrity, no differences between fractions were observed (P > 0.05). As the SRF-P1 has the highest sperm concentration and ejaculate fractions are known to differ in antioxidant composition, the oxidative stress index (OSi) in SP, calculated as total oxidant activity divided by total antioxidant capacity, was tested and confirmed to be higher in the SRF-P1 than in SRF-P2 and PSRF (0.42 ± 0.06 vs. 0.23 ± 0.09 and 0.08 ± 0.00, respectively; P < 0.01); this index, in addition, was observed to be correlated to the sperm concentration of each fraction (Rs = 0.973; P < 0.001). CONCLUSION While sperm DNA integrity was not found to differ between ejaculate fractions, SRF-P1 and SRF-P2 were observed to exhibit greater chromatin condensation than the PSRF. This could be related to the OSi of each fraction.
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Affiliation(s)
- Estel Viñolas-Vergés
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Jordi Ribas-Maynou
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain.
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.
| | - Isabel Barranco
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Murcia, Spain
| | - Camila Peres Rubio
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Murcia, Spain
| | - Sergi Bonet
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Murcia, Spain
| | - Marc Yeste
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), S08010, Barcelona, Spain
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Derakhshan Z, Bahmanpour S, Alaee S, Fallahi J, Tabei SMB. The Role of Circular RNAs in Male Infertility and Reproductive Cancers: A Narrative Review. IRANIAN JOURNAL OF MEDICAL SCIENCES 2023; 48:527-541. [PMID: 38094281 PMCID: PMC10715113 DOI: 10.30476/ijms.2022.95302.2661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/01/2022] [Accepted: 08/28/2022] [Indexed: 12/18/2023]
Abstract
Infertility is a global health problem affecting about 15% of all couples, of which 50% are due to male infertility. Although the etiology of infertility is known in most infertile men, idiopathic male infertility remains a challenge. Therefore, there is a need for novel diagnostic methods to detect the underlying mechanisms and develop appropriate therapies. Recent studies have focused on the role of non-coding RNAs (ncRNAs) in male infertility. Circular RNAs (CircRNAs), a type of ncRNAs, are found to play a key role in the development of some pathological conditions, including cardiovascular diseases, diabetes, cancers, autoimmune diseases, etc. Several studies have reported the presence of CircRNAs and their target genes in the human reproductive system. In addition, their expression in testicular tissues, sperm cells, and seminal fluid has been identified. Abnormal expression of CircRNAs has been associated with azoospermia and asthenozoospermia in infertile men. The present narrative review provides a brief description of the role of CircRNAs in spermatogenic cells, male infertility, and reproductive cancers. In addition, some CircRNAs have been identified as potential biomarkers for disease detection and treatment.
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Affiliation(s)
- Zahra Derakhshan
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Soghra Bahmanpour
- Department of Anatomy and Reproductive Biology, School of Medical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sanaz Alaee
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Jafar Fallahi
- Department of Molecular Medicine, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Mohammad Bagher Tabei
- Department of Medical Genetics, School of Medical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
- Maternal-Fetal Medicine Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Busnelli A, Garolla A, Di Credico E, D'Ippolito S, Merola AM, Milardi D, Pontecorvi A, Scambia G, Di Simone N. Sperm DNA fragmentation and idiopathic recurrent pregnancy loss: Results from a multicenter case-control study. Andrology 2023; 11:1673-1681. [PMID: 36693210 DOI: 10.1111/andr.13395] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 01/25/2023]
Abstract
BACKGROUND Sperm DNA fragmentation was hypothesized to have a role in the pathogenesis of recurrent pregnancy loss. Unfortunately, the quality of already published evidence is low. OBJECTIVES To investigate the association between sperm DNA fragmentation and idiopathic recurrent pregnancy loss by limiting, as much as possible, the interference of confounding factors. MATERIALS AND METHODS This was a retrospective multicenter case-control study conducted in two Italian University Hospitals (i.e., Policlinico Gemelli, Rome and Humanitas S. Pio X, Milan) from July 2020 to March 2022. Cases were men belonging to couples affected by first trimester idiopathic recurrent pregnancy loss, defined as the previous loss of two or more pregnancies. Two control groups were selected: (i) men belonging to couples with proven fertility (i.e., at least two previous full-term pregnancies) (control group A); (ii) men belonging to couples with proven infertility (i.e., the failure to achieve a pregnancy after 12 months or more of regular unprotected sexual intercourse) (control group B). The sperm DNA fragmentation index was measured by the terminal deoxynucleotidyl transferase dUTP nick end labeling assay. RESULTS We included 74 cases, 37 men with proven fertility (control group A) and 100 men belonging to infertile couples (control group B). The median sperm DNA fragmentation index was significantly lower in control group A (17%, interquartile range: 14.3%-20.6%) compared to both case group (24.5%, interquartile range: 17%-32%; p < 0.0001) and control group B (24%, interquartile range: 18.9%-30%; p = 0.001). The rate of subjects with sperm DNA fragmentation index greater than 30% was significantly higher in both case groups (28%, 95% confidence interval [18%-40%]) and control group B (26%, 95% confidence interval [18%, 36%]) compared to control group A (0%, 95% confidence interval [0%-10%]) (p < 0.001). Multivariate regression models yielded a significant association between sperm DNA fragmentation index and recurrent pregnancy loss (adjusted odds ratio 1.13, 95% confidence interval [1.04-1.23], p = 0.006), but failed to show an association between sperm DNA fragmentation index and infertility (adjusted odds ratio 1.13, 95% CI [1-1.29], p = 0.05). CONCLUSIONS Men within couples affected by recurrent pregnancy loss or infertility had a significantly higher rate of sperm DNA fragmentation compared to fertile controls. However, after adjusting for covariates, sperm DNA fragmentation index was associated only with recurrent pregnancy loss.
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Affiliation(s)
- Andrea Busnelli
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Andrea Garolla
- Unit of Andrology and Reproductive Medicine & Centre for Male Gamete Cryopreservation, Department of Medicine, University of Padova, Padua, Italy
| | - Elena Di Credico
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Silvia D'Ippolito
- Dipartimento di Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Anna Maria Merola
- Dipartimento di Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Domenico Milardi
- Dipartimento di Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
- International Scientific Institute "Paul VI," Catholic University, Rome, Italy
- Unità Operativa Complessa (UOC) Endocrinology and Diabetology, Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Alfredo Pontecorvi
- Dipartimento di Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
- International Scientific Institute "Paul VI," Catholic University, Rome, Italy
- Unità Operativa Complessa (UOC) Endocrinology and Diabetology, Fondazione Policlinico Universitario A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Giovanni Scambia
- Dipartimento di Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario A. Gemelli Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
- Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Nicoletta Di Simone
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
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10
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Adriansyah RF, Margiana R, Supardi S, Narulita P. Current Progress in Stem Cell Therapy for Male Infertility. Stem Cell Rev Rep 2023; 19:2073-2093. [PMID: 37440145 DOI: 10.1007/s12015-023-10577-3] [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] [Accepted: 06/14/2023] [Indexed: 07/14/2023]
Abstract
Infertility has become one of the most common issues worldwide, which has negatively affected society and infertile couples. Meanwhile, male infertility is responsible for about 50% of infertility. Accordingly, a great number of researchers have focused on its treatment during the last few years; however, current therapies such as assisted reproductive technology (ART) are not effective enough in treating male infertility. Because of their self-renewal and differentiation capabilities and unlimited sources, stem cells have recently raised great hope in the treatment of reproductive system disorders. Stem cells are undifferentiated cells that can induce different numbers of specific cells, such as male and female gametes, demonstrating their potential application in the treatment of infertility. The present review aimed at identifying the causes and potential factors that influence male fertility. Besides, we highlighted the recent studies that investigated the efficiency of stem cells such as spermatogonial stem cells (SSCs), embryonic stem cells (ESCs), very small embryonic-like stem cells (VSELs), induced pluripotent stem cells (iPSCs), and mesenchymal stem cells (MSCs) in the treatment of various types of male infertility.
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Affiliation(s)
| | - Ria Margiana
- Andrology Program, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
- Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
- Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.
- Indonesia General Academic Hospital, Depok, Indonesia.
- Ciptomangunkusumo General Academic Hospital, Jakarta, Indonesia.
| | - Supardi Supardi
- Andrology Program, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
- Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Pety Narulita
- Andrology Program, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
- Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
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11
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Ren H, Wang K, Liu Z, Zhong X, Liang M, Liao Y. Effect of Low Dietary Folate on Mouse Spermatogenesis and Spindle Assembly Checkpoint Dysfunction May Contribute to Folate Deficiency-Induced Chromosomal Instability in Cultured Mouse Spermatogonia. DNA Cell Biol 2023; 42:515-525. [PMID: 37289823 DOI: 10.1089/dna.2023.0035] [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] [Indexed: 06/10/2023] Open
Abstract
Folate, as the initial substrate in one-carbon metabolism, is involved in the synthesis of important substances such as DNA, RNA, and protein. Folate deficiency (FD) is associated with male subfertility and impaired spermatogenesis, yet the underlying mechanisms are poorly understood. In the present study, we established an animal model of FD to investigate the effect of FD on spermatogenesis. GC-1 spermatogonia were used as a model to investigate the effect of FD on proliferation, viability, and chromosomal instability (CIN). Furthermore, we explored the expression of core genes and proteins of spindle assembly checkpoint (SAC), a signaling cascade ensuring accurate chromosome segregation and preventing CIN during mitosis. Cells were maintained in medium containing 0, 20, 200, or 2000 nM folate for 14 days. CIN was measured by using a cytokinesis-blocked micronucleus cytome assay. We found that sperm counts decreased significantly (p < 0.001) and the rate of sperm with defects in the head increased significantly (p < 0.05) in FD diet mice. We also found, relative to the folate-sufficient conditions (2000 nM), cells cultured with 0, 20, or 200 nM folate exhibited delayed growth and increased apoptosis in an inverse dose-dependent manner. FD (0, 20, or 200 nM) significantly induced CIN (p < 0.001, p < 0.001, and p < 0.05, respectively). Moreover, FD significantly and inverse dose dependently increased the mRNA and protein expression of several key SAC-related genes. The results indicate that FD impairs SAC activity, which contributes to mitotic aberrations and CIN. These findings establish a novel association between FD and SAC dysfunction. Thus, FD-impaired spermatogenesis may be partly due to genomic instability and proliferation inhibition of spermatogonia.
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Affiliation(s)
- Huanhuan Ren
- School of Life Science, Bengbu Medical College, Bengbu, China
- Department of Clinical Laboratory, Fuyang Fifth People's Hospital, Fuyang, China
| | - Kaixian Wang
- School of Life Science, Bengbu Medical College, Bengbu, China
| | - Zirui Liu
- School of Life Science, Bengbu Medical College, Bengbu, China
| | - Xuansheng Zhong
- School of Life Science, Bengbu Medical College, Bengbu, China
| | - Meng Liang
- School of Life Science, Bengbu Medical College, Bengbu, China
| | - Yaping Liao
- School of Life Science, Bengbu Medical College, Bengbu, China
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12
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Walke G, Gaurkar SS, Prasad R, Lohakare T, Wanjari M. The Impact of Oxidative Stress on Male Reproductive Function: Exploring the Role of Antioxidant Supplementation. Cureus 2023; 15:e42583. [PMID: 37641770 PMCID: PMC10460465 DOI: 10.7759/cureus.42583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 07/27/2023] [Indexed: 08/31/2023] Open
Abstract
Male reproductive function is highly susceptible to oxidative stress, which arises from an imbalance between reactive oxygen species (ROS) production and antioxidant defense mechanisms. Oxidative stress can significantly impair sperm quality, including count, motility, morphology, and DNA integrity, leading to male infertility. Antioxidants play a crucial role in maintaining reproductive health by neutralizing ROS and protecting sperm cells from oxidative damage. This review article explores the impact of oxidative stress on male reproductive function and investigates the potential benefits of antioxidant supplementation in mitigating its detrimental effects. A comprehensive literature search was conducted to gather relevant studies examining the effects of oxidative stress on male fertility and the outcomes of antioxidant supplementation. The findings reveal that antioxidant supplementation can improve sperm quality, DNA integrity, and fertility outcomes in some individuals. However, conflicting research findings and limitations in study design highlight the need for further investigation. Factors such as individual variations, underlying causes of infertility, dosage, and duration of supplementation should be carefully considered. Lifestyle modifications, including a healthy diet and exercise, are crucial in reducing oxidative stress and optimizing male reproductive health. This review article provides valuable insights into the complex relationship between oxidative stress and male reproductive function, emphasizing the potential role of antioxidant supplementation as a supportive strategy. Further research is warranted to establish optimal protocols, identify specific subgroups that may benefit the most, and explore advancements in antioxidant therapies to improve male fertility outcomes.
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Affiliation(s)
- Gireeja Walke
- Department of Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Sagar S Gaurkar
- Department of Otolaryngology - Head and Neck Surgery, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Roshan Prasad
- Department of Internal Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Tejaswee Lohakare
- Department of Child Health Nursing, Smt. Radhikabai Meghe Memorial College of Nursing, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Mayur Wanjari
- Department of Research and Development, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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13
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Raee P, Shams Mofarahe Z, Nazarian H, Abdollahifar MA, Ghaffari Novin M, Aghamiri S, Ghaffari Novin M. Male obesity is associated with sperm telomere shortening and aberrant mRNA expression of autophagy-related genes. Basic Clin Androl 2023; 33:13. [PMID: 37226085 DOI: 10.1186/s12610-023-00188-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 01/26/2023] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND Obesity is regarded a global public health crisis. It has been implicated in a variety of health problems, but when it comes to male fertility, how and to what extent obesity affects it are poorly understood. Accordingly, semen samples from 32 individuals with obesity (body mass index (BMI) ≥ 30 kg/m2) and 32 individuals with normal weight (BMI: 18.5-25 kg/m2) were obtained. Here, for the first time, we examined the association between obesity, relative sperm telomere length (STL) and autophagy-related mRNA levels such as Beclin1, AMPKa1, ULK1, BAX, and BCL2. Each group was also evaluated for conventional semen parameters, sperm apoptotic changes, DNA fragmentation index (DFI), sperm chromatin maturation, and reactive oxygen species (ROS) levels. RESULTS Based on our findings, there was a marked reduction in relative STL in individuals with obesity as compared to the normal-weight group. We also found a significant negative correlation between relative STL and age, BMI, DFI, percentage of sperm with immature chromatin, and intracellular ROS levels in patients with obesity. In the normal-weight group, relative STL was only negatively correlated with DFI and intracellular ROS levels. Regarding mRNA expression, there was considerable upregulation of Beclin1, ULK1, and BCL2 in the group with obesity compared to the normal-weight group. Obesity was also found to be associated with a considerable decline in semen volume, total sperm count, progressive motility, and viability in comparison to normal-weight individuals. Furthermore, obesity was associated with considerably higher percentages of DFI, sperm with immature chromatin, late-stage apoptosis, and elevated ROS levels. CONCLUSION According to our findings, obesity is associated with sperm telomere shortening and aberrant autophagy-related mRNA expression. It should be emphasized that telomere shortening in sperm may be an indirect consequence of obesity due to the oxidative stress associated with the condition. Nevertheless, further investigation is required for a more comprehensive understanding.
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Affiliation(s)
- Pourya Raee
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Shams Mofarahe
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Nazarian
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad-Amin Abdollahifar
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahin Aghamiri
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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14
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Harmak H, Redouane S, Charoute H, Aniq Filali O, Barakat A, Rouba H. In silico exploration and molecular dynamics of deleterious SNPs on the human TERF1 protein triggering male infertility. J Biomol Struct Dyn 2023; 41:14665-14688. [PMID: 36995171 DOI: 10.1080/07391102.2023.2193995] [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: 11/15/2022] [Accepted: 02/18/2023] [Indexed: 03/31/2023]
Abstract
By limiting chromosome erosion and end-to-end fusions, telomere integrity is critical for chromosome stability and cell survival. During mitotic cycles or due to environmental stresses, telomeres become progressively shorter and dysfunctional, thus triggering cellular senescence, genomic instability and cell death. To avoid such consequences, the telomerase action, as well as the Shelterin and CST complexes, assure the telomere's protection. Telomeric repeat binding factor 1 (TERF1), which is one of the primary components of the Shelterin complex, binds directly to the telomere and controls its length and function by regulating the telomerase activity. Several reports about TERF1 gene variations have been associated with different diseases, and some of them have linked these variations to male infertility. Hence, this paper can be advantageous to investigate the association between the missense variants of the TERF1 gene and the susceptibility to male infertility. The stepwise prediction of SNPs pathogenicity followed in this study was based on stability and conservation analysis, post-translational modification, secondary structure, functional interaction prediction, binding energy evaluation and finally molecular dynamic simulation. Prediction matching among the tools revealed that out of 18 SNPs, only four (rs1486407144, rs1259659354, rs1257022048 and rs1320180267) were predicted as the most damaging and highly deleterious SNPs affecting the TERF1 protein and its molecular dynamics when interacting with the TERB1 protein by influencing the function, structural stability, flexibility and compaction of the overall complex. Interestingly, these polymorphisms should be considered during genetic screening so they can be used effectively as genetic biomarkers for male infertility diagnosis.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Houda Harmak
- Laboratory of Genomics and Human Genetics, 1, Place Louis Pasteur, Institut Pasteur du Maroc, Casablanca, Morocco
- Laboratory of Physiopathology, Molecular Genetics and Biotechnology, Department of Biology, Faculty of Sciences Ain Chock, Hassan II University, Casablanca, Morocco
| | - Salaheddine Redouane
- Laboratory of Genomics and Human Genetics, 1, Place Louis Pasteur, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hicham Charoute
- Research Unit of Epidemiology, Biostatistics and Bioinformatics, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Ouafaa Aniq Filali
- Laboratory of Physiopathology, Molecular Genetics and Biotechnology, Department of Biology, Faculty of Sciences Ain Chock, Hassan II University, Casablanca, Morocco
| | - Abdelhamid Barakat
- Laboratory of Genomics and Human Genetics, 1, Place Louis Pasteur, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hassan Rouba
- Laboratory of Genomics and Human Genetics, 1, Place Louis Pasteur, Institut Pasteur du Maroc, Casablanca, Morocco
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15
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The Effects of Glutathione on Clinically Essential Fertility Parameters in a Bleomycin Etoposide Cisplatin Chemotherapy Model. Life (Basel) 2023; 13:life13030815. [PMID: 36983969 PMCID: PMC10058932 DOI: 10.3390/life13030815] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/03/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Chemotherapeutic agents used in the treatment of testicular cancer cause damage to healthy tissues, including the testis. We investigated the effects of glutathione on sperm DNA integrity and testicular histomorphology in bleomycin etoposide cisplatin (BEP) treated rats. Twelve-week-old male rats of reproductive age (n = 24) were randomly divided into three groups, the (i) control group, (ii) BEP group, and (iii) BEP+ glutathione group. Weight gain increase and testes indices of the control group were found to be higher than that of the BEP group and BEP+ glutathione group. While the BEP treatment increased sperm DNA fragmentation and morphological abnormalities when compared to the control group, GSH treatment resulted in a marked decrease for both parameters. Moreover, BEP treatment significantly decreased serum testosterone levels and sperm counts in comparison to the control group, yet this reduction was recovered in the BEP+ glutathione treated group. Similarly, seminiferous tubule epithelial thicknesses and Johnsen scores in testicles were higher in the control and BEP+ glutathione groups than in the BEP-treated group. In conclusion, exogenous glutathione might prevent the deterioration of male reproductive functions by alleviating the detrimental effects of BEP treatment on sperm quality and testicular histomorphology.
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16
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Donatti LM, Martello CL, Andrade GM, Oliveira NP, Frantz N. Advanced Paternal Age Affects the Sperm DNA Fragmentation Index and May Lead to Lower Good-quality Blastocysts. Reprod Sci 2023:10.1007/s43032-023-01209-9. [PMID: 36897559 DOI: 10.1007/s43032-023-01209-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 03/01/2023] [Indexed: 03/11/2023]
Abstract
Several studies show reductions in some seminal parameters in aged men and describe them as a consequence of many age-dependent changes in male organisms. This study aims to evaluate the impact of age on seminal parameters, particularly the DNA fragmentation index (DFI), and outcomes after in vitro fertilization (IVF) cycles. This is a retrospective study that includes 367 patients who underwent sperm chromatin structure assay testing between 2016 and 2021. The participants were split into three groups according to age: < 35 years (younger group, n = 63), 35-45 years (intermediate group, n = 227), and ≥ 45 years (older group, n = 77). The mean DFI (%) was compared. Among all patients, 255 received IVF cycles after DFI evaluation. For these patients, the sperm concentration, motility, and volume, as well as the fertilization rate, mean oocyte age, and good-quality blastocyst formation rate, were analyzed. One-way ANOVA was applied. The older group showed a significantly higher sperm than did the younger group (28.6% vs. 20.8% p = 0.0135). Despite not presenting a significant difference, the DFI level tends to be inversely related to good-quality blastocyst formation since the oocyte age was similar between the groups (32.0 v.s 33.6 vs. 32.3 years, respectively, p = 0.1183). Among aged men, the sperm DFI level is increased but other seminal parameters are not modified. Considering that men with a high sperm DFI can present some degree of infertility due to high sperm chromatin damage, male age should also be considered a limiting factor of IVF.
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Affiliation(s)
- Luiza M Donatti
- Nilo Frantz Reproductive Medicine, Porto Alegre, Rio Grande Do Sul, Brazil.
| | | | | | - Norma P Oliveira
- Nilo Frantz Reproductive Medicine, Porto Alegre, Rio Grande Do Sul, Brazil
| | - Nilo Frantz
- Nilo Frantz Reproductive Medicine, Porto Alegre, Rio Grande Do Sul, Brazil
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17
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Tofighi Niaki M, Hasan Sheikhha M, Ali Khalili M, Fesahat F, Nabi A, Izadi M, Ghasemi Esmailabad S, Reza Talebi A. Possible Harmful Effects of Smoking Hookah on Sperm DNA Fragmentation Index and Protamine Genes Expression in Normozoospermic Men. Subst Abuse 2023; 17:11782218221144547. [PMID: 36618126 PMCID: PMC9810994 DOI: 10.1177/11782218221144547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/23/2022] [Indexed: 01/03/2023]
Abstract
Objectives In recent years, smoking water pipes or hookah has increased among adolescents in most countries. Although there is evidence in support of the negative effects of this type of smoking on human health, such as the increased risk of lung disease, little is known about the potential effects of hookah smoking on the male reproductive system, especially on the molecular aspects of sperm. Patients and methods This cross-sectional study examined sperm DNA fragmentation index, protamine 1 and 2 (PRM1 and PRM2) genes expression, and oxidant status in normozoospermic hookah smokers in comparison with non-smoker controls. Results Our results showed significantly higher rates of DNA fragmentation, protamine deficiency, and abnormal chromatin condensation in the spermatozoa of hookah smokers (P < .0001). Also, protamine gene expression showed a remarkable decrease in hookah smokers (1.55 ± 2.54 and 0.33 ± 0.54) compared to the controls (3.49 ± 5.41 and 1.22 ± 1.96), although the reduction was not statistically significant (P = .155 and P = .066, respectively). Moreover, a significantly higher level of semen MDA was observed in the case group compared to the controls (0.39 ± 1.04 vs 0.15 ± 0.21; P = .013). Conclusion According to our study, although hookah smoking does not have a significant effect on sperm parameters, it may have deleterious effects on DNA integrity, oxidative status, and nuclear protein levels of spermatozoa.
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Affiliation(s)
| | - Mohammad Hasan Sheikhha
- Abortion Research Center, Yazd
Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences,
Yazd, Iran
| | - Mohammad Ali Khalili
- Reproductive Biology, Yazd Reproductive
Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Farzaneh Fesahat
- Reproductive Immunology Research
Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ali Nabi
- Andrology Research Center, Yazd
Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences,
Yazd, Iran,Ali Reza Talebi, Andrology Research Center,
Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical
Sciences, Safayeh, Booali Avenue, Yazd 8916877391, Iran.
| | - Mahin Izadi
- Reproductive Biology, Yazd Reproductive
Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Saeed Ghasemi Esmailabad
- Department of Tissue Engineering and
Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University
of Medical Sciences, Tehran, Iran
| | - Ali Reza Talebi
- Andrology Research Center, Yazd
Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences,
Yazd, Iran,Ali Reza Talebi, Andrology Research Center,
Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical
Sciences, Safayeh, Booali Avenue, Yazd 8916877391, Iran.
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18
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Leung ETY, Lee BKM, Lee CL, Tian X, Lam KKW, Li RHW, Ng EHY, Yeung WSB, Ou JP, Chiu PCN. The role of spermatozoa-zona pellucida interaction in selecting fertilization-competent spermatozoa in humans. Front Endocrinol (Lausanne) 2023; 14:1135973. [PMID: 37020592 PMCID: PMC10067631 DOI: 10.3389/fendo.2023.1135973] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 03/07/2023] [Indexed: 03/22/2023] Open
Abstract
Human fertilization begins when a capacitated spermatozoon binds to the zona pellucida (ZP) surrounding a mature oocyte. Defective spermatozoa-ZP interaction contributes to male infertility and is a leading cause of reduced fertilization rates in assisted reproduction treatments (ARTs). Human ejaculate contains millions of spermatozoa with varying degrees of fertilization potential and genetic quality, of which only thousands of motile spermatozoa can bind to the ZP at the fertilization site. This observation suggests that human ZP selectively interacts with competitively superior spermatozoa characterized by high fertilizing capability and genetic integrity. However, direct evidence for ZP-mediated sperm selection process is lacking. This study aims to demonstrate that spermatozoa-ZP interaction represents a crucial step in selecting fertilization-competent spermatozoa in humans. ZP-bound and unbound spermatozoa were respectively collected by a spermatozoa-ZP coincubation assay. The time-course data demonstrated that ZP interacted with a small proportion of motile spermatozoa. Heat shock 70 kDa protein 2 (HSPA2) and sperm acrosome associated 3 (SPACA 3) are two protein markers associated with the sperm ZP-binding ability. Immunofluorescent staining indicated that the ZP-bound spermatozoa had significantly higher expression levels of HSPA2 and SPACA3 than the unbound spermatozoa. ZP-bound spermatozoa had a significantly higher level of normal morphology, DNA integrity, chromatin integrity, protamination and global methylation when compared to the unbound spermatozoa. The results validated the possibility of applying spermatozoa-ZP interaction to select fertilization-competent spermatozoa in ART. This highly selective interaction might also provide diagnostic information regarding the fertilization potential and genetic qualities of spermatozoa independent of those derived from the standard semen analysis.
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Affiliation(s)
- Erica T. Y. Leung
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Brayden K. M. Lee
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Cheuk-Lun Lee
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - Xinyi Tian
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Kevin K. W. Lam
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - Raymond H. W. Li
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - Ernest H. Y. Ng
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - William S. B. Yeung
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
| | - Jian-Ping Ou
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Center for Reproductive Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Philip C. N. Chiu, ; Jian-Ping Ou,
| | - Philip C. N. Chiu
- Department of Obstetrics and Gynaecology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Shenzhen Key Laboratory of Fertility Regulation, The University of Hong Kong – Shenzhen Hospital, Shenzhen, China
- *Correspondence: Philip C. N. Chiu, ; Jian-Ping Ou,
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19
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Li N, Zhang C, Wang Z, Zhang Q, Chen R, Hua Z, Zhao S, Shen H, Chang G, Wan W. Clinical study of Wuwei Fuzheng Yijing formula in the treatment of sperm DNA damage in male infertility: A study protocol for a randomized controlled trial. Medicine (Baltimore) 2022; 101:e31226. [PMID: 36316921 PMCID: PMC9622591 DOI: 10.1097/md.0000000000031226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The incidence of male infertility is increasing in recent years, and the semen routine examination of some patients is normal, but the semen pathological examination shows that the sperm DNA fragmentation index (DFI) is high, and the patients' clinical manifestations are infertility or recurrent abortion of their spouses. At present, there is no special treatment for male infertility caused by high DFI, and traditional Chinese medicine compound prescription shows potential value in the treatment of male infertility. Wuwei Fuzheng Yijing formula (WFY) is an effective prescription for the treatment of sperm DNA damage in male infertility, but there is no strict clinical trial to support its application. Therefore, we designed a randomized controlled trial to evaluate the efficacy and safety of WFY in patients with sperm DNA damage in male infertility. METHODS In this randomized controlled study, 100 patients who met the inclusion criteria were randomly divided into WFY group and levocarnitine oral solution group. The treatment period was 12 weeks. The main observation index was sperm DFI, and the secondary observation index was sperm concentration, motility, survival rate, and TCM syndrome score. Safety observation indicators will include electrocardiogram, blood tests (including blood routine tests, liver and renal function), routine urine tests, and routine stool tests. All results were evaluated at the 4th and 8th week of the baseline, and the end of treatment. DISCUSSION This study will provide a basis for the efficacy and safety of WFY in the treatment of sperm DNA damage in male infertility with spleen and kidney qi deficiency and blood stasis.
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Affiliation(s)
- Ninghua Li
- College of the First Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Chenming Zhang
- College of the Second Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Zulong Wang
- The First Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
- *Correspondence: Zulong Wang, The First Affiliated Hospital of Henan University of Traditional Chinese Medicine, 19 Renmin Road, Zhengzhou 450003, Henan Province, P.R. China (e-mail: )
| | - Qi Zhang
- The First Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Rubing Chen
- The First Affiliated Hospital of Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Zhong Hua
- College of the Second Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Shizhong Zhao
- College of the First Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Huiyuan Shen
- College of the First Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Guifeng Chang
- College of the First Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
| | - Wenxi Wan
- College of the First Clinical Medicine, Henan University of Traditional Chinese Medicine, Zhengzhou, Henan Province, P.R. China
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20
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Gill K, Machalowski T, Harasny P, Kups M, Grabowska M, Duchnik E, Sipak O, Fraczek M, Kurpisz M, Kurzawa R, Piasecka M. Male Infertility Coexists with Decreased Sperm Genomic Integrity and Oxidative Stress in Semen Irrespective of Leukocytospermia. Antioxidants (Basel) 2022; 11:1987. [PMID: 36290709 PMCID: PMC9598546 DOI: 10.3390/antiox11101987] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 11/30/2022] Open
Abstract
Our research was designed to verify the relationship between male infertility, basic semen characteristics (with respect to detailed sperm morphology), sperm DNA fragmentation (SDF), oxidation-reduction potential in semen (ORP), and leukocytospermia. The obtained results showed that infertile groups (with or without leukocytospermia) had significantly lower basic semen characteristics and higher SDF, raw ORP, and static ORP (sORP) than fertile controls. The thresholds of 13% SDF (AUC = 0.733) and 1.40 sORP (AUC = 0.857) were predictive values for discriminating infertile from fertile men. In infertile groups, a higher prevalence and risk for >13% SDF and >1.40 sORP were revealed. Unexpectedly, leukocytospermic subjects had lower sORP, prevalence, and risk for >1.40 sORP than leukocytospermic-negative men. These groups did not differ in SDF and raw ORP. Both SDF and sORP negatively correlated with basic semen parameters but positively correlated with sperm head and midpiece defects. sORP positively correlated with sperm tail defects, immature sperm cells with excess residual cytoplasm, and SDF. In turn, raw ORP negatively correlated with sperm count but positively correlated with SDF and sORP. These findings indicate that (1) there is a relationship between male infertility, SDF, and OS in semen; (2) in infertile men, there is a clinically significant risk of SDF and OS irrespective of leukocytospermia; and (3) the assessment of SDF and oxidative stress should be independent of leukocytospermia.
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Affiliation(s)
- Kamil Gill
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
| | - Tomasz Machalowski
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
- Department of Perinatology, Obstetrics and Gynecology, Faculty of Medicine and Dentistry, Pomeranian Medical University, 72-010 Police, Poland
| | - Patryk Harasny
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
- Department of Urology and Urological Oncology, Faculty of Medicine and Dentistry, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Michal Kups
- Department of Urology and Oncological Urology, Regional Specialist Hospital in Szczecin, 71-455 Szczecin, Poland
- The Fertility Partnership Vitrolive in Szczecin, 70-483 Szczecin, Poland
| | - Marta Grabowska
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
| | - Ewa Duchnik
- Department of Aesthetic Dermatology, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Olimpia Sipak
- Department of Obstetrics and Pathology of Pregnancy, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland
| | - Monika Fraczek
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland
| | - Rafal Kurzawa
- The Fertility Partnership Vitrolive in Szczecin, 70-483 Szczecin, Poland
- Department of Gynecology and Reproductive Health, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland
| | - Malgorzata Piasecka
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
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21
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Afsari M, Fesahat F, Talebi AR, Agarwal A, Henkel R, Zare F, Gül M, Iraci N, Cannarella R, Makki M, Anvari M, Sarcheshmeh AA, Talebi AH. ANXA2
,
SP17
,
SERPINA5
,
PRDX2
genes, and sperm
DNA
fragmentation differentially represented in male partners of infertile couples with normal and abnormal sperm parameters. Andrologia 2022; 54:e14556. [DOI: 10.1111/and.14556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/29/2022] [Accepted: 08/01/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Maliheh Afsari
- Department of Biology & Anatomical Sciences Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Farzaneh Fesahat
- Reproductive Immunology Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Ali Reza Talebi
- Department of Biology & Anatomical Sciences Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Ashok Agarwal
- American Center for Reproductive Medicine Cleveland Clinic Cleveland Ohio USA
| | - Ralf Henkel
- American Center for Reproductive Medicine Cleveland Clinic Cleveland Ohio USA
- Department of Medical Bioscience University of the Western Cape Bellville South Africa
| | - Fatemeh Zare
- Reproductive Immunology Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Murat Gül
- Department of Urology Selcuk University School of Medicine Konya Turkey
| | - Nunzio Iraci
- Department of Biomedical and Biotechnological Sciences (BIOMETEC) University of Catania Catania Italy
| | - Rossella Cannarella
- American Center for Reproductive Medicine Cleveland Clinic Cleveland Ohio USA
- Department of Clinical and Experimental Medicine University of Catania Catania Italy
| | | | - Morteza Anvari
- Department of Biology & Anatomical Sciences Shahid Sadoughi University of Medical Sciences Yazd Iran
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22
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Sperm as a Carrier of Genome Instability in Relation to Paternal Lifestyle and Nutritional Conditions. Nutrients 2022; 14:nu14153155. [PMID: 35956329 PMCID: PMC9370520 DOI: 10.3390/nu14153155] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/22/2022] [Accepted: 07/28/2022] [Indexed: 02/05/2023] Open
Abstract
Endogenous and exogenous factors can severely affect the integrity of genetic information by inducing DNA damage and impairing genome stability. The extent to which men with and without subfertility are exposed to several adverse lifestyle factors and the impact on sperm DNA fragmentation (SDF), sperm chromatin maturity (condensation and decondensation), stability (hypo- and hypercondensation) and sperm aneuploidy are assessed in this study. Standardized assays employing flow cytometry were used to detect genome instability in 556 samples. Semen parameters deteriorated with age, BMI, increased physical activity and smoking. Age and BMI were associated with increased SDF. Increased BMI was associated with increased hypocondensed chromatin and decreased decondensed chromatin. Increase in age also caused an increase in sex chromosome aneuploidy in sperms. Surprisingly, alcohol abuse reduced chromatin hypercondensation and drug abuse reduced SDF. Although genome instability was more pronounced in the subfertile population as compared to the fertile group, the proportion of men with at least one lifestyle risk factor was the same in both the fertile and subfertile groups. While one in three benefited from nutritional supplementation, one in five showed an increase in SDF after supplementation. Whilst the message of ‘no smoking, no alcohol, no drugs, but a healthy diet’ should be offered as good health advice, we are a long way from concluding that nutritional supplementation would be beneficial for male fertility.
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23
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Hervás I, Pacheco A, Gil Julia M, Rivera-Egea R, Navarro-Gomezlechon A, Garrido N. Sperm deoxyribonucleic acid fragmentation (by terminal deoxynucleotidyl transferase biotin dUTP nick end labeling assay) does not impair reproductive success measured as cumulative live birth rates per donor metaphase II oocyte used. Fertil Steril 2022; 118:79-89. [PMID: 35618526 DOI: 10.1016/j.fertnstert.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 03/23/2022] [Accepted: 04/05/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To better study the effect of sperm deoxyribonucleic acid fragmentation (SDF) on intracytoplasmic sperm injection (ICSI) outcomes from an ovum donation program by assessing the cumulative live birth rates (CLBRs) per number of embryo transfers (ETs), embryos replaced (EmbR), and metaphase II (MII) oocytes required in consecutive treatments to achieve the first newborn. DESIGN A multicenter retrospective cohort study was conducted, and the Kaplan-Meier survival curves were generated to calculate the CLBR with regard to the SDF degree. SETTING Private university-affiliated in vitro fertilization centers. PATIENT(S) Data from 864 couples using donated eggs and undergoing ICSI from 2000 to 2019 were analyzed. Sperm deoxyribonucleic acid fragmentation was measured using terminal deoxynucleotidyl transferase biotin dUTP nick end labeling assay on their ejaculated sperm. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Live birth rate (LBR) per first ET and per all consecutive ETs within the same patient and CLBR per ET, per EmbR, and per MII oocyte used considering the SDF level. RESULT(S) A total of 1,903 ICSI cycles were considered, encompassing 6,340 donated oocytes, 2,543 embryos, and 1,145 ETs. Comparing ≤15% SDF (low) with >15% SDF (high) or by 10% SDF ranges, the LBRs per first ET and per all ETs did not significantly differ. The Kaplan-Meier curves of the CLBR per ET, per EmbR, and per donor oocyte consumed were similar between the SDF groups evaluated. CONCLUSION(S) Elevated SDF does not reduce the LBR or cumulative probability to obtain a child when calculated per ET, per EmbR, and per donated MII oocyte used in couples undergoing ICSI cycles.
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Affiliation(s)
- Irene Hervás
- Instituto Valenciano de Infertilidad Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain.
| | - Alberto Pacheco
- Andrology Laboratory and Sperm Bank, Instituto Valenciano de Infertilidad Reproductive Medicine Associates of New Jersey Madrid, Madrid, Spain; Alfonso X el Sabio University, Madrid, Spain
| | - Maria Gil Julia
- Instituto Valenciano de Infertilidad Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Rocio Rivera-Egea
- Andrology Laboratory and Sperm Bank, Instituto Valenciano de Infertilidad Reproductive Medicine Associates of New Jersey Valencia, Valencia, Spain
| | - Ana Navarro-Gomezlechon
- Instituto Valenciano de Infertilidad Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Nicolas Garrido
- Instituto Valenciano de Infertilidad Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
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24
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Razeghinia MS, Sahebazzamani M, Soleymani S, Ketabchi AA, Moqaddasi-Amiri M, Mohammadi MM. Expression of proapoptotic receptors Fas/Fas-L on sperm cells and levels of their soluble forms in seminal fluid from patients with varicocele. J Reprod Immunol 2022; 149:103443. [PMID: 34837753 DOI: 10.1016/j.jri.2021.103443] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 10/28/2021] [Accepted: 11/04/2021] [Indexed: 02/06/2023]
Abstract
Varicocele is a condition in which the pampiniform venous plexus in the scrotum dilates abnormally during puberty, affecting testicular growth and semen parameters, and is thought to be a major cause of male infertility. The findings of researches on the presence of the Fas system in sperm are controversial. As the main triggers of apoptosis in the semen of patients with varicocele, in this study, we examined the expression of Fas/Fas-L on sperm cells and also the levels of their soluble forms in seminal plasma. Semen samples were taken from 45 patients with varicocele (study group) and 45 healthy subjects without varicocele (control group) after 3-5 days of ejaculatory abstinence. Flow cytometry was used to examine the expression of Fas and Fas ligand (Fas-L) on Sperm cells. Furthermore, soluble Fas (sFas) and soluble Fas-Ligand (sFas-L) levels in the seminal fluid were determined using an ELISA (enzyme-linked immunosorbent assay). The presence of Fas and Fas-L proteins on the sperm ejaculation surface was not found in the patients with varicocele or the control groups. However, in the case group (3.32 ± 0.31 ng/mL), sFas seminal concentrations were slightly lower than in the control group (5.50 ± 0.36 ng/mL) (p < 0.001). In varicocele patients, there was a strong negative association between seminal sFas and sperm motility. Apoptosis effects through this system on key sperm parameters were not found based on our findings. In varicocele, a reduction in sperm count and motility does not seem to be due to Fas-related mechanisms, but rather to other mechanisms.
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Affiliation(s)
- Mohammad-Sadegh Razeghinia
- Department of Laboratory Sciences, Sirjan School of Medical Sciences, Sirjan, Iran; Center of Physiology Researcher, Kerman University of Medical Sciences, Kerman, Iran; Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Maryam Sahebazzamani
- Department of Laboratory Sciences, Sirjan School of Medical Sciences, Sirjan, Iran; Department of Clinical Biochemistry, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Saeed Soleymani
- Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran; Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Kerman, Iran
| | - Ali-Asghar Ketabchi
- Department of Urology, Bahonar Hospital, Kerman University of Medical Sciences, Kerman, Iran
| | | | - Mohammad-Mahdi Mohammadi
- Center of Physiology Researcher, Kerman University of Medical Sciences, Kerman, Iran; Department of Immunology, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
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25
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Rivera Mirabal JL, Lipshultz LI. Clinical implications of repeat sperm deoxyribonucleic acid damage testing in men with clinical infertility. Fertil Steril 2021; 117:74. [PMID: 34865851 DOI: 10.1016/j.fertnstert.2021.11.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 11/30/2022]
Affiliation(s)
| | - Larry I Lipshultz
- Scott Department of Urology, Baylor College of Medicine, Houston, Texas
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26
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Wood GJA, Cardoso JPG, Paluello DV, Nunes TF, Cocuzza M. Varicocele-Associated Infertility and the Role of Oxidative Stress on Sperm DNA Fragmentation. FRONTIERS IN REPRODUCTIVE HEALTH 2021; 3:695992. [PMID: 36304050 PMCID: PMC9580684 DOI: 10.3389/frph.2021.695992] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 09/28/2021] [Indexed: 12/17/2022] Open
Abstract
Varicocele has been extensively described and studied as the most important reversible cause of male infertility. Its impact on semen parameters, pregnancy rates, and assisted reproductive outcomes have been associated with multifactorial aspects, most of them converging to increase of reactive oxygen species (ROS). More recently, sperm DNA fragmentation has gained significant attention and potential clinical use, although the body of evidence still needs further evolution. The associations between sperm DNA damage and a variety of disorders, including varicocele itself, share common pathways to ROS increase. This mini-review discusses different aspects related to the etiology of ROS and its relation to varicocele and potential mechanisms of DNA damage.
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Affiliation(s)
- Guilherme Jacom Abdulmassih Wood
- Huntington Medicina Reprodutiva, São Paulo, Brazil
- Division of Urology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- *Correspondence: Guilherme Jacom Abdulmassih Wood
| | - João Paulo Greco Cardoso
- Division of Urology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Davi Vischi Paluello
- Division of Urology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | | | - Marcello Cocuzza
- Division of Urology, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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27
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Kruglova K, Gelgoot EN, Chan P, Lo K, Rosberger Z, Bélanger E, Kazdan J, Robins S, Zelkowitz P. Risky Business: Increasing Fertility Knowledge of Men in the General Public Using the Mobile Health Application Infotility XY. Am J Mens Health 2021; 15:15579883211049027. [PMID: 34697968 PMCID: PMC8552396 DOI: 10.1177/15579883211049027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Male infertility presents a public health concern. As most men wish to become fathers, it is important to increase men’s awareness of infertility risk factors. We developed a mobile health application (mHealth app), Infotility XY, to promote men’s reproductive health. This study evaluates whether use of the app led to increased knowledge of infertility risk factors, and whether knowledge change was associated with participants’ sociodemographic characteristics and/or app usage. Participants were recruited between August and October 2020. Eligibility criteria included: identified as male; 18–45 years old; childless; no infertility history; able to read and write in English/French; had internet access. We assessed participants’ fertility knowledge before and after app use. App usage data were captured during the 2-week intervention period. Our sample included 49 men aged 18–45. Seventy-eight percent of participants had not previously sought fertility information. Participants viewed on average 75% of the app’s articles, and 96% of participants said the app increased their fertility knowledge. Before app use, 55% of men said they were aware of infertility risk factors, compared to 96% after app use. Men correctly identified more risk factors after app use compared to before, t(48) = 8.28, p < .001. Participants’ sociodemographic characteristics and amount of app usage were not associated with knowledge change. This study provides evidence of the feasibility of an mHealth app to improve men’s awareness of infertility risk factors. Given the positive relationship between male reproductive health and overall health, increased awareness of infertility risk factors may lead to men’s improved overall health.
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Affiliation(s)
- Katya Kruglova
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, Jewish General Hospital, Montréal, QC, Canada
| | - Eden Noah Gelgoot
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, Jewish General Hospital, Montréal, QC, Canada
| | - Peter Chan
- McGill University Health Centre, Montréal, QC, Canada.,Department of Surgery, McGill University, Montréal, QC, Canada
| | - Kirk Lo
- Department of Surgery, Mount Sinai Hospital, Toronto, ON, Canada.,Department of Surgery, University of Toronto, Toronto, Canada
| | - Zeev Rosberger
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, McGill University, Montréal, QC, Canada.,Department of Psychology, McGill University, Montréal, QC, Canada.,Department of Oncology, McGill University, Montréal, QC, Canada
| | - Emilie Bélanger
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, Jewish General Hospital, Montréal, QC, Canada
| | - Jordana Kazdan
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, Jewish General Hospital, Montréal, QC, Canada
| | - Stephanie Robins
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, Jewish General Hospital, Montréal, QC, Canada
| | - Phyllis Zelkowitz
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montréal, QC, Canada.,Department of Psychiatry, McGill University, Montréal, QC, Canada
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28
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Alameri M, Hasikin K, Kadri NA, Nasir NFM, Mohandas P, Anni JS, Azizan MM. Multistage Optimization Using a Modified Gaussian Mixture Model in Sperm Motility Tracking. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2021; 2021:6953593. [PMID: 34497665 PMCID: PMC8421170 DOI: 10.1155/2021/6953593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/24/2021] [Accepted: 08/12/2021] [Indexed: 11/17/2022]
Abstract
Infertility is a condition whereby pregnancy does not occur despite having unprotected sexual intercourse for at least one year. The main reason could originate from either the male or the female, and sometimes, both contribute to the fertility disorder. For the male, sperm disorder was found to be the most common reason for infertility. In this paper, we proposed male infertility analysis based on automated sperm motility tracking. The proposed method worked in multistages, where the first stage focused on the sperm detection process using an improved Gaussian Mixture Model. A new optimization protocol was proposed to accurately detect the motile sperms prior to the sperm tracking process. Since the optimization protocol was imposed in the proposed system, the sperm tracking and velocity estimation processes are improved. The proposed method attained the highest average accuracy, sensitivity, and specificity of 92.3%, 96.3%, and 72.4%, respectively, when tested on 10 different samples. Our proposed method depicted better sperm detection quality when qualitatively observed as compared to other state-of-the-art techniques.
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Affiliation(s)
- Mohammed Alameri
- Department of Biomedical Engineering, Faculty of Engineering, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Khairunnisa Hasikin
- Department of Biomedical Engineering, Faculty of Engineering, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Nahrizul Adib Kadri
- Department of Biomedical Engineering, Faculty of Engineering, Universiti Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Nashrul Fazli Mohd Nasir
- Biomedical Electronic Engineering Program, Faculty of Electronic Engineering Technology, Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia
- Sport Engineering Research Centre (SERC), Universiti Malaysia Perlis, Pauh Putra Campus, 02600 Arau, Perlis, Malaysia
| | - Prabu Mohandas
- Department of Computer Science and Engineering, National Institute of Technology Calicut, Kerala, India
| | - Jerline Sheeba Anni
- Department of Computer Science and Engineering, MEA Engineering College, Kerala, India
| | - Muhammad Mokhzaini Azizan
- Department of Electrical and Electronic Engineering, Faculty of Engineering and Built Environment, Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan, Malaysia
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29
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Gill K, Kups M, Harasny P, Machalowski T, Grabowska M, Lukaszuk M, Matuszewski M, Duchnik E, Fraczek M, Kurpisz M, Piasecka M. The Negative Impact of Varicocele on Basic Semen Parameters, Sperm Nuclear DNA Dispersion and Oxidation-Reduction Potential in Semen. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18115977. [PMID: 34199549 PMCID: PMC8199719 DOI: 10.3390/ijerph18115977] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/24/2021] [Accepted: 06/01/2021] [Indexed: 12/19/2022]
Abstract
Since varicocele is so common in infertile men, this study intends to analyse the relationships between varicocele and conventional semen characteristics, sperm nuclear DNA dispersion and oxidation-reduction potential (ORP) in semen. Varicocele-positive and varicocele-negative infertile men (study groups) showed significantly lower standard sperm parameters and higher sperm DNA fragmentation (SDF) and ORP in semen than healthy volunteers and subjects with proven fertility (control groups). A lower proportion of low SDF levels (0–15% SDF) and higher incidence of high SDF levels (>30% SDF), as well as a higher prevalence of high ORP values (>1.37 mV/106 sperm/mL), were found in the study groups vs. the control groups. Moreover, infertile men had significantly lower odds ratios (ORs) for low SDF levels and significantly higher ORs for high SDF levels and high ORP. SDF and ORP were negatively correlated with sperm number, morphology, motility and vitality. Furthermore, a significant positive correlation was found between SDF and ORP. The obtained results suggest that disorders of spermatogenesis may occur in varicocele-related infertility. These abnormalities are manifested not only by reduced standard semen parameters but also by decreased sperm DNA integrity and simultaneously increased oxidative stress in semen.
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Affiliation(s)
- Kamil Gill
- Department of Histology and Developmental Biology, Pomeranian Medical University, 71-210 Szczecin, Poland; (K.G.); (M.K.); (P.H.); (T.M.); (M.G.)
| | - Michal Kups
- Department of Histology and Developmental Biology, Pomeranian Medical University, 71-210 Szczecin, Poland; (K.G.); (M.K.); (P.H.); (T.M.); (M.G.)
- TFP Fertility Vitrolive in Szczecin, 70-483 Szczecin, Poland
- Department of Urology and Oncological Urology, Regional Specialist Hospital in Szczecin, 71-455 Szczecin, Poland
| | - Patryk Harasny
- Department of Histology and Developmental Biology, Pomeranian Medical University, 71-210 Szczecin, Poland; (K.G.); (M.K.); (P.H.); (T.M.); (M.G.)
- Department of Urology and Urological Oncology, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Tomasz Machalowski
- Department of Histology and Developmental Biology, Pomeranian Medical University, 71-210 Szczecin, Poland; (K.G.); (M.K.); (P.H.); (T.M.); (M.G.)
- Department of Perinatology, Obstetrics and Gynecology, Pomeranian Medical University, 72-010 Police, Poland
| | - Marta Grabowska
- Department of Histology and Developmental Biology, Pomeranian Medical University, 71-210 Szczecin, Poland; (K.G.); (M.K.); (P.H.); (T.M.); (M.G.)
| | - Mariusz Lukaszuk
- Healthcare Center Nowe Orlowo, 81-525 Gdynia, Poland;
- Invicta Fertility Clinic, 80-850 Gdansk, Poland
| | - Marcin Matuszewski
- Department of Urology, Medical University in Gdansk, 80-214 Gdansk, Poland;
| | - Ewa Duchnik
- Department of Aesthetic Dermatology, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland;
| | - Monika Fraczek
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland; (M.F.); (M.K.)
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland; (M.F.); (M.K.)
| | - Malgorzata Piasecka
- Department of Histology and Developmental Biology, Pomeranian Medical University, 71-210 Szczecin, Poland; (K.G.); (M.K.); (P.H.); (T.M.); (M.G.)
- Correspondence:
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30
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Pandruvada S, Royfman R, Shah TA, Sindhwani P, Dupree JM, Schon S, Avidor-Reiss T. Lack of trusted diagnostic tools for undetermined male infertility. J Assist Reprod Genet 2021; 38:265-276. [PMID: 33389378 PMCID: PMC7884538 DOI: 10.1007/s10815-020-02037-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 12/13/2020] [Indexed: 12/15/2022] Open
Abstract
Semen analysis is the cornerstone of evaluating male infertility, but it is imperfect and insufficient to diagnose male infertility. As a result, about 20% of infertile males have undetermined infertility, a term encompassing male infertility with an unknown underlying cause. Undetermined male infertility includes two categories: (i) idiopathic male infertility-infertile males with abnormal semen analyses with an unknown cause for that abnormality and (ii) unexplained male infertility-males with "normal" semen analyses who are unable to impregnate due to unknown causes. The treatment of males with undetermined infertility is limited due to a lack of understanding the frequency of general sperm defects (e.g., number, motility, shape, viability). Furthermore, there is a lack of trusted, quantitative, and predictive diagnostic tests that look inside the sperm to quantify defects such as DNA damage, RNA abnormalities, centriole dysfunction, or reactive oxygen species to discover the underlying cause. To better treat undetermined male infertility, further research is needed on the frequency of sperm defects and reliable diagnostic tools that assess intracellular sperm components must be developed. The purpose of this review is to uniquely create a paradigm of thought regarding categories of male infertility based on intracellular and extracellular features of semen and sperm, explore the prevalence of the various categories of male factor infertility, call attention to the lack of standardization and universal application of advanced sperm testing techniques beyond semen analysis, and clarify the limitations of standard semen analysis. We also call attention to the variability in definitions and consider the benefits towards undetermined male infertility if these gaps in research are filled.
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Affiliation(s)
- Swati Pandruvada
- Department of Biological Sciences, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43607 USA
| | - Rachel Royfman
- Department of Biological Sciences, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43607 USA
| | - Tariq A. Shah
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43607 USA
| | - Puneet Sindhwani
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43607 USA
| | - James M. Dupree
- Department of Urology and Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI 48019 USA
| | - Samantha Schon
- Division of Reproductive Endocrinology & Infertility, Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI 48109 USA
| | - Tomer Avidor-Reiss
- Department of Biological Sciences, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43607 USA
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43607 USA
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Ko E, Ramasamy R, Durairajanayagam D, Baskaran S, Agarwal A. An update on male infertility: Factors, mechanisms, and interventions. Andrologia 2020; 53:e13741. [PMID: 33135797 DOI: 10.1111/and.13741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 11/30/2022] Open
Affiliation(s)
- Edmund Ko
- Loma Linda University, Loma Linda, CA, USA
| | | | - Damayanthi Durairajanayagam
- Department of Physiology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Sungai Buloh, Selangor, Malaysia
| | - Saradha Baskaran
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
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Fernandez-Encinas A, García-Peiró A, del Rey J, Ribas-Maynou J, Abad C, Amengual MJ, Prada E, Navarro J, Benet J. Proteomic Analysis in Seminal Plasma of Fertile Donors and Infertile Patients with Sperm DNA Fragmentation. Int J Mol Sci 2020; 21:ijms21145046. [PMID: 32708913 PMCID: PMC7404047 DOI: 10.3390/ijms21145046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023] Open
Abstract
Seminal plasma proteomics studies could represent a new approach for the determination of molecular elements driving male infertility, resulting in a better male infertility characterization. The aim of this study is to investigate proteomic differences in seminal plasma samples from fertile and infertile individuals. For that, semen samples were selected according to semen analysis, clinical pathology, and values of sperm DNA fragmentation (alkaline and neutral Comet assay and Sperm Chromatin Dispersion test). A total of 24 seminal plasma samples classified in four groups were processed: fertile donors (FD), recurrent miscarriage patients (RM), asthenoteratozoospermic patients (ATZ), and asthenoteratozoospermic patients with varicocele (ATZ-VAR). Results obtained by 2D-differential gel electrophoresis (2D-DIGE) revealed 26 spots significantly increased in fertile donors when compared to patient groups. Also, eight spots in the ATZ group and two in the ATZ-VAR group were decreased compared to the other groups. Twenty-eight proteins were identified by mass spectrometry (MS), most of them involved in metabolic and cellular processes and with a catalytic or binding function. Protein-protein interactions through Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) tool suggest that a large part of them were associated with each other. Furthermore, most of them were associated with ubiquitin C, indicating that it could play an important regulation role, resulting in a potential male infertility biomarker.
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Affiliation(s)
- Alba Fernandez-Encinas
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (A.F.-E.); (J.d.R.); (J.R.-M.); (J.N.)
| | - Agustín García-Peiró
- Centro de Infertilidad Masculina y Análisis de Barcelona (CIMAB), 08192 Sant Quirze del Vallès, Spain;
| | - Javier del Rey
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (A.F.-E.); (J.d.R.); (J.R.-M.); (J.N.)
| | - Jordi Ribas-Maynou
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (A.F.-E.); (J.d.R.); (J.R.-M.); (J.N.)
| | - Carlos Abad
- Servei d’Urologia, Corporació Sanitària Parc Taulí, Sabadell, Institut Universitari Parc Taulí—UAB, 08208 Sabadell, Spain;
| | - Maria José Amengual
- UDIAT, Centre Diagnòstic, Corporació Sanitària Parc Taulí, Sabadell, Institut Universitari Parc Taulí—UAB, 08208 Sabadell, Spain;
| | - Elena Prada
- Servei de Ginecologia, Hospital Universitari Mútua de Terrassa, 08221 Terrassa, Spain;
| | - Joaquima Navarro
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (A.F.-E.); (J.d.R.); (J.R.-M.); (J.N.)
| | - Jordi Benet
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (A.F.-E.); (J.d.R.); (J.R.-M.); (J.N.)
- Correspondence: ; Tel.: +34-935-811-773
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