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Villamarín C, Loachamin M, Sosa M, Donoso M, Granda-Albuja G, Castillejo P, Ríos-Touma B. Nectopsyche sp (Trichoptera: Leptoceridae) sublethal effects caused by different concentrations of arsenic (As): a biochemical markers approach. ECOTOXICOLOGY (LONDON, ENGLAND) 2024; 33:1062-1073. [PMID: 39217258 DOI: 10.1007/s10646-024-02799-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/24/2024] [Indexed: 09/04/2024]
Abstract
Environmental impacts related to arsenic (As) contamination are a persistent issue of particular interest in Latin American countries with increasing mining activities. In Ecuador, the redefinition of public policies to promote the increase in mining since 2008 has led to a significant rise in the presence of this heavy metal in rivers and effluents, sometimes exceeding the 0.1 mg L-1, limit recommended by Ecuadorian Environmental Regulations. This study aimed to evaluate the sublethal effects through the detection of biochemical biomarker changes (Catalase, Antioxidant capacity by FRAP, and Glutathione S-transferase) generated in larvae of Nectopsyche sp following prolonged exposure to different concentrations of As (C1 = 0.05 mg L-1, C2 = 0.1 mg L-1, C3 = 0.8 mg L-1) in a controlled environment, emulating the maximum limits allowed by current Ecuadorian legislation. While As concentration levels in water increased, so did levels in the tissue of Nectopsyche sp specimens. On the other hand, behavioral parameters (mortality and mobility) did not show differences in either time or As concentrations. However, both Catalase and Antioxidant capacity by FRAP levels tended to decrease with increasing As concentration, and in both cases, the differences were significant. Additionally, Glutathione S-transferase activity did not increase significantly. These results preliminarily demonstrate that biochemical responses change with varying As concentrations in Nectopsyche sp and are affected at behavioral and biochemical levels produced by the As at chronic levels.
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Affiliation(s)
- Christian Villamarín
- Grupo de Investigación Biodiversidad, Medio Ambiente y Salud (BIOMAS), Ingeniería Ambiental, Facultad de Ingenierías y Ciencias Aplicadas, Universidad de Las Américas, Quito, 170503, Ecuador.
| | - Melanie Loachamin
- Grupo de Investigación Biodiversidad, Medio Ambiente y Salud (BIOMAS), Ingeniería en Biotecnología, Facultad de Ingenierías y Ciencias Aplicadas, Universidad de Las Américas, Quito, 170503, Ecuador
| | - Milton Sosa
- Grupo de Investigación Biodiversidad, Medio Ambiente y Salud (BIOMAS), Ingeniería en Biotecnología, Facultad de Ingenierías y Ciencias Aplicadas, Universidad de Las Américas, Quito, 170503, Ecuador
| | - Mishell Donoso
- Grupo de Investigación Biodiversidad, Medio Ambiente y Salud (BIOMAS), Ingeniería Ambiental, Facultad de Ingenierías y Ciencias Aplicadas, Universidad de Las Américas, Quito, 170503, Ecuador
| | | | - Pablo Castillejo
- Grupo de Investigación Biodiversidad, Medio Ambiente y Salud (BIOMAS), Ingeniería en Biotecnología, Facultad de Ingenierías y Ciencias Aplicadas, Universidad de Las Américas, Quito, 170503, Ecuador
| | - Blanca Ríos-Touma
- Grupo de Investigación Biodiversidad, Medio Ambiente y Salud (BIOMAS), Ingeniería Ambiental, Facultad de Ingenierías y Ciencias Aplicadas, Universidad de Las Américas, Quito, 170503, Ecuador
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2
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Ünal İ, Uysal H. Seminal oxidative stress index can be used as a marker in the prediction of bull semen cryotolerance. Anim Reprod Sci 2024; 270:107618. [PMID: 39368443 DOI: 10.1016/j.anireprosci.2024.107618] [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: 07/05/2024] [Revised: 09/27/2024] [Accepted: 10/02/2024] [Indexed: 10/07/2024]
Abstract
In this study, it was aimed to evaluate the effect of seminal plasma activity levels of enzymatic antioxidants such as catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), non-enzymatic antioxidant alpha-tocopherol (Vit-E), and also total antioxidant status (TAS), total oxidant status (TOS), and oxidative stress index (OSI) on post-thaw sperm quality. As well as it was aimed to investigate the possibility of the use of OSI as a marker for the estimation of bull semen freezability. For this study, 72 ejaculates were collected from 6 bulls and separated into two aliquots. The first one was centrifuged to separate seminal plasma. The latter one was cryopreserved and stored in liquid nitrogen until analysis. Post-thaw semen quality was examined in two groups (good-freezable semen (GFS) and poor-freezable semen (PFS)) through cluster analyses based on post-thaw total motility and plasma membrane and acrosome integrity. As a result of the analyses, seminal TAS, CAT, and Vit-E values were higher (P<0.05) in the GFS group, while TOS and OSI values were higher (P<0.01) in the PFS group. We also performed an ROC curve analysis to determine whether the seminal OSI value could be used to predict semen freezeability. The area under curve (AUC) value was found as 0,70 (P=0.006). In conclusion, it has been revealed that the seminal plasma antioxidant content is responsible for the freezability of semen, and the OSI value, which can be determined by performing TAS and TOS analyses instead of looking for separate antioxidant enzymes, can be used as a marker for the estimation of post-thaw semen quality at artificial insemination centers.
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Affiliation(s)
- İlker Ünal
- International Center for Livestock Research and Training, Ankara, Turkey.
| | - Hamdi Uysal
- Department of Biochemistry, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey.
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Dong PY, Yan YMC, Chen Y, Bai Y, Li YY, Dong Y, Liu J, Zhang BQ, Klinger FG, Chen MM, Zhang XF. Multiple omics integration analysis reveals the regulatory effect of chitosan oligosaccharide on testicular development. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 283:116802. [PMID: 39106567 DOI: 10.1016/j.ecoenv.2024.116802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 05/26/2024] [Accepted: 07/24/2024] [Indexed: 08/09/2024]
Abstract
Infertility is a global health problem affecting millions of people of reproductive age worldwide, with approximately half caused by males. Chitosan oligosaccharide (COS) has strong antioxidant capacity, but its impact on the male reproductive system has not been effectively evaluated. To address this, we integrated RNA-seq, serum metabolomics and intestinal 16 S rDNA analysis to conduct a comprehensive investigation on the male reproductive system. The results showed that COS has potential targets for the treatment of oligospermia, which can promote the expression of meiotic proteins DDX4, DAZL and SYCP1, benefit germ cell proliferation and testicular development, enhance antioxidant capacity, and increase the expression of testicular steroid proteins STAR and CYP11A1. At the same time, COS can activate PI3K-Akt signaling pathway in testis and TM3 cells. Microbiome and metabolomics analysis suggested that COS alters gut microbial community composition and cooperates with serum metabolites to regulate spermatogenesis. Therefore, COS promotes male reproduction by regulating intestinal microorganisms and serum metabolism, activating PI3K-Akt signaling pathway, improving testicular antioxidant capacity and steroid regulation.
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Affiliation(s)
- Pei-Yu Dong
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Yu-Mei Chen Yan
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Yu Chen
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Yue Bai
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Yin-Yin Li
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Yang Dong
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China
| | - Jing Liu
- Analytical & Testing Center of Qingdao Agricultural University, Qingdao 266100, China
| | - Bing-Qiang Zhang
- Key Laboratory of Cancer and Immune Cells of Qingdao, Qingdao 266111, China; Qingdao Restore Biotechnology Co., Ltd., Qingdao, Shandong 266111, China
| | | | - Meng-Meng Chen
- Key Laboratory of Cancer and Immune Cells of Qingdao, Qingdao 266111, China; Qingdao Restore Biotechnology Co., Ltd., Qingdao, Shandong 266111, China.
| | - Xi-Feng Zhang
- College of Veterinary medicine, Qingdao Agricultural University, Qingdao 266100, China.
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Lira FT, Campos LR, Roque M, Esteves SC. From pathophysiology to practice: addressing oxidative stress and sperm DNA fragmentation in Varicocele-affected subfertile men. Int Braz J Urol 2024; 50:530-560. [PMID: 39106113 PMCID: PMC11446552 DOI: 10.1590/s1677-5538.ibju.2024.9917] [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: 07/10/2024] [Accepted: 07/18/2024] [Indexed: 08/09/2024] Open
Abstract
Varicocele can reduce male fertility potential through various oxidative stress mechanisms. Excessive production of reactive oxygen species may overwhelm the sperm's defenses against oxidative stress, damaging the sperm chromatin. Sperm DNA fragmentation, in the form of DNA strand breaks, is recognized as a consequence of the oxidative stress cascade and is commonly found in the ejaculates of men with varicocele and fertility issues. This paper reviews the current knowledge regarding the association between varicocele, oxidative stress, sperm DNA fragmentation, and male infertility, and examines the role of varicocele repair in alleviating oxidative-sperm DNA fragmentation in these patients. Additionally, we highlight areas for further research to address knowledge gaps relevant to clinical practice.
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Affiliation(s)
- Filipe Tenório Lira
- Andros RecifeRecifePEBrasilAndros Recife, Recife, PE, Brasil
- Instituto de Medicina Integral Prof. Fernando FigueiraDepartamento de UrologiaRecifePEBrasilDepartamento de Urologia, Instituto de Medicina Integral Prof. Fernando Figueira, Recife, PE, Brasil
- Hospital Santa Joana RecifeRecifeBrasilHospital Santa Joana Recife, Recife, PE, Brasil
| | - Lucas Ribeiro Campos
- Universidade Federal de Minas GeraisDepartamento de UrologiaBelo HorizonteMGBrasilDepartamento de Urologia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brasil
| | - Matheus Roque
- Mater PrimeDepartamento de Medicina ReprodutivaSão PauloSPBrasilDepartamento de Medicina Reprodutiva, Mater Prime, São Paulo, SP, Brasil
| | - Sandro C. Esteves
- ANDROFERT - Clínica de Andrologia e Reprodução HumanaCentro de Referência. em Reprodução MasculinaCampinasSPBrasilANDROFERT - Clínica de Andrologia e Reprodução Humana, Centro de Referência. em Reprodução Masculina, Campinas, SP, Brasil
- Disciplina de Urologia da Universidade Estadual de CampinasDepartamento de CirurgiaCampinasSPBrasilDepartamento de Cirurgia, Disciplina de Urologia da Universidade Estadual de Campinas - UNICAMP, Campinas, SP, Brasil
- Aarhus UniversityFaculty of HealthDepartment of Clinical MedicineAarhusDenmarkDepartment of Clinical Medicine, Faculty of Health, Aarhus University, Aarhus, Denmark
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Mohamed RS, Mohamed RH, Wehrend A, Tahoun EA, Hussein HA. The effects of saline water consumption on sperm parameters, testicular histopathology, hormonal and antioxidants concentrations in Barki Rams. BMC Vet Res 2024; 20:219. [PMID: 38778406 PMCID: PMC11112924 DOI: 10.1186/s12917-024-04047-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 04/30/2024] [Indexed: 05/25/2024] Open
Abstract
The study aimed to assess the effects of water salinity on the sperm parameters, levels of cortisol, LH, FSH, testosterone and antioxidants as well as the testes' histopathology in Barki rams. Fifteen healthy Barki rams (1-1.5 years) were divided into three equal depending on the type of drinking water for nine months. The rams in the tap water group (TW, water that contained 350 ppm of total dissolved salts (TDS). Males in the high saline water group (HSW) were permitted to consume high saline water with 8,934 ppm TDS, whereas those in the second group were permitted to have moderately saline water (MSW, 4,557 ppm TDS). High salt concentration in drinking water had adverse effect on sperm viability, morphology and sperm cell concertation. Nitric oxide and malondialdehyde concentrations in blood were significantly higher in the MSW and HSW groups than in TW. There was a significant decrease in glutathione concentration as well as superoxide dismutase activity in TDS and HSW. Cortisol was most highly concentrated in the HSW, next in the MSW, and least in TW. The testosterone, LH, and FSH concentrations in the HSW and MSW groups were significantly lower than in TW. As the salt concentration in drinking water increases, damage to testicular tissue. The MSW group demonstrating vacuolation of lining epithelial cells with pyknotic nuclei in the epididymis and necrosis and desquamation of spermatogenic cells in seminiferous tubules while HSW group displaying desquamated necrotic cells and giant cell formation in the epididymis, as well as damage to some of the seminiferous tubules and showed congestion, vacuolation of spermatogenic epithelium of seminiferous tubules, and desquamated necrotic spermatogenic epithelium. In conclusion, the salinity of the water has detrimental impacts on the sperm morphology, viability and concentration, hormones and antioxidant levels in Barki rams.
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Affiliation(s)
- Rasha S Mohamed
- Department of Animal Health, Animal and Poultry Production Division, Desert Research Center, Cairo, Egypt
| | - Ragab H Mohamed
- Department of Theriogenology, Faculty of Veterinary Medicine, Aswan University, Aswan, 81528, Egypt
| | - Axel Wehrend
- Clinic for Obstetrics, Gynecology and Andrology of Large and Small Animals with Veterinary Ambulance, Justus-Liebig University, Giessen, Germany
| | - Enas A Tahoun
- Department of Pathology, Faculty of Veterinary Medicine, University of Sadat City, Menofia, 32897, Egypt
| | - Hassan A Hussein
- Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University, Assiut, 71526, Egypt.
- Faculty of Veterinary Medicine, Sphinx University, New Assiut, Egypt.
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Asadi E, Najafi A, Benson JD. Comparison of liquid nitrogen-free slow freezing protocols toward enabling a practical option for centralized cryobanking of ovarian tissue. Cryobiology 2024; 114:104836. [PMID: 38092234 DOI: 10.1016/j.cryobiol.2023.104836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/20/2023] [Accepted: 12/05/2023] [Indexed: 12/22/2023]
Abstract
Geographically distributed ovarian tissue cryobanks remain limited due to the high facility and staff costs, and cold transportation to centers is associated with ischemia-induced tissue damage that increases with transport distance. It is ideal to perform the cryopreservation procedure at a tissue removal site or local hospital before shipment to cost-effective centralized cryobanks. However, conventional liquid nitrogen-based freezers are not portable and require expensive infrastructure. To study the possibility of an ovarian tissue cryopreservation network not dependent on liquid nitrogen, we cryopreserved bovine ovarian tissue using three cooling techniques: a controlled rate freezer using liquid nitrogen, a liquid nitrogen-free controlled rate freezer, and liquid nitrogen-free passive cooling. Upon thawing, we evaluated a panel of viability metrics in frozen and fresh groups to examine the potency of the portable liquid nitrogen-free controlled and uncontrolled rate freezers in preserving the ovarian tissue compared to the non-portable conventional controlled rate freezer. We found similar outcomes for reactive oxygen species (ROS), total antioxidant capacity (TAC), follicular morphology, tissue viability, and fibrosis in the controlled rate freezer groups. However, passive slow cooling was associated with the lowest tissue viability, follicle morphology, and TAC, and the highest tissue fibrosis and ROS levels compared to all other groups. A stronger correlation was found between follicle morphology, ovarian tissue viability, and fibrosis with the TAC/ROS ratio compared to ROS and TAC alone. The current study undergirds the possibility of centralized cryobanks using a controlled rate liquid nitrogen-free freezer to prevent ischemia-induced damage during ovarian tissue shipment.
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Affiliation(s)
- Ebrahim Asadi
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
| | - Atefeh Najafi
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
| | - James D Benson
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada.
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Mohammadzadeh J, Raoufy MR, Nazari M, Sajedi RH. Bioluminescence measurement of superoxide anion in infertile men with oxidative stress. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 252:112852. [PMID: 38330690 DOI: 10.1016/j.jphotobiol.2024.112852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/05/2024] [Accepted: 01/26/2024] [Indexed: 02/10/2024]
Abstract
Infertility is such an important issue in society today. In some cases of male infertility, the main cause is oxidative stress and the presence of reactive oxygen species in the environment or in sperm cells. All current techniques that measure oxidative stress, including the nitroblue tetrazolium Test, DNA Fragmentation Index, Malondialdehyde, and Endz Test are qualitative and semi-quantitative. These methods do not have good sensitivity and specificity. Semen samples from 50 infertile patients and 10 normal individuals were collected. The samples were examined for laboratory routine tests according to the WHO 2010 protocol. Oxidative stress tests, including DFI, NBT, and MDA, were performed for these two groups. Bioluminescence inhibition assay was performed for detection of O2.- in semen samples by aequorin. The normal individuals showed significantly better semen parameters than the patient's group. Significantly lower O2.- levels were seen in the patient's group compared to normal individuals. The cut-off value of O2.- levels in normal individuals was determined to be 8 × 105 RLU/s with a sensitivity of 100% and a specificity of 100%. Infertile patients, despite having reduced quality of semen parameters, have high O2.- levels, and this causes the intensity of bioluminescence to be quenched in these people.
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Affiliation(s)
- Jahangir Mohammadzadeh
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Reza Raoufy
- Department of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Milad Nazari
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Reza H Sajedi
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
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Akbari R, Panahi Z, Ghaemi M, Hantoushzadeh S. The knowledge domain and emerging trends in the infertility field: A 67-year retrospective study. Health Care Women Int 2024:1-31. [PMID: 38231619 DOI: 10.1080/07399332.2024.2304110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
Infertility is a significant problem influencing many couples. Our purpose was to assess the field of infertility in Obstetrics and Gynecology from 1955 to 2022 reviewing 3575 documents found in the Web of Science database. Most articles were in the areas of Reproductive Biology, Fertility, Endometriosis & Hysterectomy, and Chromosome Disorders. We found publication has increased dramatically since 1989. Agarwal, Thomas, and Sharma; United States, England, and Canada; Fertility and Sterility, Human Reproduction, and AJOG were the most-cited authors, countries, and journals, respectively. We discovered five substantive clusters: male infertility factors, female infertility factors, causes and treatment of infertility, the consequence of infertility, and assisted reproductive techniques. Using bibliometric review (Co-citation analysis) six research areas were found: semen analysis and sperm morphology, regional differences in the psychological effects of infertility, unexplained infertility, endometriosis, diagnosis and treatment of infertility, and polycystic ovary syndrome. Despite advances in understanding infertility, further research is needed.
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Affiliation(s)
- Razieh Akbari
- Department of Gynecology and Obstetrics, School of Medicine, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Zahra Panahi
- Department of Gynecology and Obstetrics, School of Medicine, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Marjan Ghaemi
- Department of Gynecology and Obstetrics, School of Medicine, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Sedigheh Hantoushzadeh
- Vali-e-Asr Reproductive Health Research Center, Family Health Research Institute, Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran
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Najafi A, Asadi E, Benson JD. Comparative effects of a calcium chelator (BAPTA-AM) and melatonin on cryopreservation-induced oxidative stress and damage in ovarian tissue. Sci Rep 2023; 13:22911. [PMID: 38129642 PMCID: PMC10739950 DOI: 10.1038/s41598-023-49892-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023] Open
Abstract
Oncology treatments cause infertility, and ovarian tissue cryopreservation and transplantation (OTCT) is the only option for fertility preservation in prepubertal girls with cancer. However, OTCT is associated with massive follicle loss. Here, we aimed to determine the effect of supplementation of slow freezing and vitrification media with BAPTA-AM and melatonin alone and in combination on ovarian tissue viability, reactive oxygen species (ROS) levels, total antioxidant capacity (TAC), and follicular morphology and viability. Our results indicated that BAPTA-AM and melatonin can significantly improve ovarian tissue viability and the TAC/ROS ratio and reduce ROS generation in frozen-thawed ovarian tissues in slow freezing and vitrification procedures. BAPTA-AM was also found to be less effective on TAC compared to melatonin in vitrified ovarian tissue. While supplementation of slow freezing and vitrification media with BAPTA-AM and/or melatonin could increase the percentage of morphologically intact follicles in cryopreserved ovarian tissues, the differences were not significant. In conclusion, supplementation of cryopreservation media with BAPTA-AM or melatonin improved the outcome of ovarian tissue cryopreservation in both vitrification and slow freezing methods. Our data provide some insight into the importance of modulating redox balance and intracellular Ca2+ levels during ovarian tissue cryopreservation to optimize the current cryopreservation methods.
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Affiliation(s)
- Atefeh Najafi
- Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada
| | - Ebrahim Asadi
- Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada
| | - James D Benson
- Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada.
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Ghasemian Nafchi H, Azizi Y, Amjadi F, Halvaei I. In vitro effects of plasma rich in growth factors on human teratozoospermic semen samples. Syst Biol Reprod Med 2023:1-9. [PMID: 36919463 DOI: 10.1080/19396368.2023.2180455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
There is a correlation between teratozoospermia and production of reactive oxygen species leading to poor assisted reproductive techniques outcomes. This study aimed to examine the effect of plasma-rich in growth factors (PRGF) on teratozoospermic samples. Twenty-five teratozoospermic samples were included in this study. After sperm preparation, it was divided into four groups, including 0 (control), 1, 5, and 10% PRGF. Sperm motility, viability (eosin-nigrosin staining), morphology (Papanicolaou staining), DNA fragmentation (sperm chromatin dispersion test), mitochondrial membrane potential (JC-1 staining by flow cytometry), and lipid peroxidation (measurement of malondialdehyde, MDA) were evaluated before and after 1 h of incubation with or without PRGF. Our results showed that after 1 h of incubation, the addition of 1% PRGF improved sperm progressive motility (47.72 ± 13.76%) compared to the control group (17.36 ± 8.50%) (p < 0.001). Also, 1% PRGF preserved the sperm's total motility (77.50 ± 13.28% vs. 65.63 ± 19.03%, for 1% PRGF and control, respectively) and viability after incubation. The rate of normal sperm morphology was the same between different groups. Higher mitochondrial membrane potential and lower DNA fragmentation were also observed in sperm treated with different concentrations of PRGF compared to the control group, but the differences were non-significant. The MDA levels were significantly decreased in PRGF-treated groups compared to the control group (0.99 ± 0.62, 0.95 ± 0.33, 0.95 ± 0.79, and 1.49 ± 0.27 for 1% PRGF, 5% PRGF, 10% PRGF and control, respectively). Based on our results, it seems that PRGF incubation can improve sperm parameters and especially decrease the level of malondialdehyde as an indicator of oxidative stress, which is one of the main problems of teratozoospermic samples.
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Affiliation(s)
| | - Yaser Azizi
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemehsadat Amjadi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Iman Halvaei
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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The Dual Role of Oxidants in Male (In)fertility: Every ROSe Has a Thorn. Int J Mol Sci 2023; 24:ijms24054994. [PMID: 36902424 PMCID: PMC10002566 DOI: 10.3390/ijms24054994] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/22/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
The role of oxidative stress (OS) in male infertility as a primary etiology and/or concomitant cause in other situations, such as inflammation, varicocele and gonadotoxin effects, is well documented. While reactive oxygen species (ROS) are implicated in many important roles, from spermatogenesis to fertilization, epigenetic mechanisms which are transmissible to offspring have also recently been described. The present review is focused on the dual aspects of ROS, which are regulated by a delicate equilibrium with antioxidants due to the special frailty of spermatozoa, in continuum from physiological condition to OS. When the ROS production is excessive, OS ensues and is amplified by a chain of events leading to damage of lipids, proteins and DNA, ultimately causing infertility and/or precocious pregnancy termination. After a description of positive ROS actions and of vulnerability of spermatozoa due to specific maturative and structural characteristics, we linger on the total antioxidant capacity (TAC) of seminal plasma, which is a measure of non-enzymatic non-proteic antioxidants, due to its importance as a biomarker of the redox status of semen; the therapeutic implications of these mechanism play a key role in the personalized approach to male infertility.
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12
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Becatti M, Cito G, Argento FR, Fini E, Bettiol A, Borghi S, Mannucci A, Fucci R, Giachini C, Picone R, Emmi G, Taddei N, Coccia ME, Fiorillo C. Blood Leukocyte ROS Production Reflects Seminal Fluid Oxidative Stress and Spermatozoa Dysfunction in Idiopathic Infertile Men. Antioxidants (Basel) 2023; 12:antiox12020479. [PMID: 36830037 PMCID: PMC9952358 DOI: 10.3390/antiox12020479] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/10/2023] [Accepted: 02/11/2023] [Indexed: 02/16/2023] Open
Abstract
A large proportion of infertile men do not receive a clear diagnosis, being considered as idiopathic or unexplained cases due to infertility diagnosis based on standard semen parameters. Particularly in unexplained cases, the search for new indicators seems mandatory to provide specific information. In the etiopathogenesis of male infertility oxidative stress displays important roles by negatively affecting sperm quality and function. In this study, performed in a population of 34 idiopathic infertile men and in 52 age-matched controls, redox parameters were assessed in blood, leukocytes, spermatozoa, and seminal fluid and related to semen parameters. The main findings indicate that blood oxidative stress markers reflect seminal oxidative stress. Interestingly, blood leukocyte ROS production was significantly correlated to sperm ROS production and to semen parameters. Overall, these results suggest the potential employ of blood redox markers as a relevant and adjunctive tool for sperm quality evaluation aimed to preconception care.
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Affiliation(s)
- Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
- Correspondence: ; Tel.: +39-055-2751261
| | - Gianmartin Cito
- Department of Experimental and Clinical Medicine, University of Firenze, 50134 Firenze, Italy
| | - Flavia Rita Argento
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
| | - Eleonora Fini
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
| | - Alessandra Bettiol
- Department of Experimental and Clinical Medicine, University of Firenze, 50134 Firenze, Italy
| | - Serena Borghi
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
| | - Amanda Mannucci
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
| | - Rossella Fucci
- Assisted Reproductive Technology Centre, Careggi University Hospital, 50134 Firenze, Italy
| | - Claudia Giachini
- Assisted Reproductive Technology Centre, Careggi University Hospital, 50134 Firenze, Italy
| | - Rita Picone
- Assisted Reproductive Technology Centre, Careggi University Hospital, 50134 Firenze, Italy
| | - Giacomo Emmi
- Department of Experimental and Clinical Medicine, University of Firenze, 50134 Firenze, Italy
| | - Niccolò Taddei
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
| | | | - Claudia Fiorillo
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy
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13
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Rosa JDL, Figueiredo TM, Barros JWF, Dos Santos DB, de Deus RS, Borges CS, Kempinas WDG, Klinefelter GR. SP22 sperm protein as a potential biomarker of fertility in humans: A preliminary study. Reprod Toxicol 2023; 117:108343. [PMID: 36781114 DOI: 10.1016/j.reprotox.2023.108343] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/13/2023]
Abstract
Infertility affects approximately 15% of couples of reproductive age, and 50% of the cases are directly related to men. The evaluation of male fertility is based on analyses of routine seminal parameters and the use of more advanced techniques can help identify fertility biomarkers. SP22 sperm protein is considered a biomarker in murine species since its concentration is highly correlated with sperm fertility. As the role of this protein as a biomarker is already well-established in other species, we hypothesized that this same correlation could apply to human. Thus, the present study aimed to investigate possible correlations between SP22 concentration and sperm parameters in fertile and infertile men. For this, a study was carried out on 21 volunteers' seminal samples who were grouped according to fertility as fertile (n = 10) or infertile (n = 11). Conventional and functional sperm analyses, membrane protein extraction, quantification and immunolocalization of SP22 were performed. The infertile volunteers showed an increase in the percentage of sperm with abnormalities in head morphology and a decrease in the percentage of sperm with intact plasma membrane and damaged acrosomal membrane. Serum concentration of the hormone SHBG was also decreased in infertile volunteers. The damage to the plasma membrane was positively correlated with the superoxide anion production. Although none of the functional parameters were correlated with SP22 concentration, type D sperm motility was negatively correlated and type A+B sperm motility was positively correlated. This preliminary study opens new paths in the characterization of SP22 as a non-invasive biomarker for predicting fertility/infertility.
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Affiliation(s)
- Josiane de Lima Rosa
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil.
| | - Thamiris Moreira Figueiredo
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Jorge Willian Franco Barros
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Driéle Bretone Dos Santos
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Ramão Souza de Deus
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Cibele Santos Borges
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Wilma De Grava Kempinas
- Institute of Biosciences, Department of Structural and Functional Biology, Laboratory of Reproductive and Developmental Biology and Toxicology, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Gary Robert Klinefelter
- National Health and Environmental Effects Research Laboratory, Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, United States
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14
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Escada-Rebelo S, Ramalho-Santos J. Oxidative and Nitrosative Stress Detection in Human Sperm Using Fluorescent Probes. Methods Mol Biol 2023; 2566:45-52. [PMID: 36152241 DOI: 10.1007/978-1-0716-2675-7_4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
As a natural by-product of mitochondrial respiration, reactive oxygen species (ROS) in sperm play a role in promoting fertilization, by intervening in a series of events. Nevertheless, an abnormal and uncounteracted increase in ROS production leads to oxidative stress (OS) which can, ultimately, culminate in cell death. An established relationship between OS and male infertility highlights the importance of an accurate detection method for ROS content that can be easily implemented and reproduced in any andrology lab. More recently, reactive nitrogen species (RNS) production and subsequent nitrosative stress have also been described. Here we describe the use of fluorescent probes, including some that targeted to the mitochondria due to the coupling of a cation (TPP+), in order to assess the levels of different ROS and RNS in human sperm using flow cytometry and/or fluorescent microscopy. This methodology is user friendly and accurate and can be safely applied in research- and/or clinical-based contexts.
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Affiliation(s)
- Sara Escada-Rebelo
- PhD Programme in Experimental Biology and Biomedicine (BEB), IIIUC- Institute for Interdisciplinary Research, University of Coimbra, Coimbra, Portugal
- Biology of Reproduction and Stem Cell Group, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - João Ramalho-Santos
- Biology of Reproduction and Stem Cell Group, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.
- Department of Life Sciences, University of Coimbra, Coimbra, Portugal.
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15
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Aitken RJ, Bromfield EG, Gibb Z. OXIDATIVE STRESS AND REPRODUCTIVE FUNCTION: The impact of oxidative stress on reproduction: a focus on gametogenesis and fertilization. Reproduction 2022; 164:F79-F94. [PMID: 35929832 DOI: 10.1530/rep-22-0126] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 08/05/2022] [Indexed: 11/08/2022]
Abstract
In brief Many aspects of the reproductive process are impacted by oxidative stress. This article summarizes the chemical nature of reactive oxygen species and their role in both the physiological regulation of reproductive processes and the pathophysiology of infertility. Abstract This article lays out the fundamental principles of oxidative stress. It describes the nature of reactive oxygen species (ROS), the way in which these potentially toxic metabolites interact with cells and how they impact both cellular function and genetic integrity. The mechanisms by which ROS generation is enhanced to the point that the cells' antioxidant defence mechanisms are overwhelmed are also reviewed taking examples from both the male and female reproductive system, with a focus on gametogenesis and fertilization. The important role of external factors in exacerbating oxidative stress and impairing reproductive competence is also examined in terms of their ability to disrupt the physiological redox regulation of reproductive processes. Developing diagnostic and therapeutic strategies to cope with oxidative stress within the reproductive system will depend on the development of a deeper understanding of the nature, source, magnitude, and location of such stress in order to fashion personalized treatments that meet a given patient's clinical needs.
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Affiliation(s)
- R John Aitken
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
| | - Elizabeth G Bromfield
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
| | - Zamira Gibb
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute, New Lambton Heights, New South Wales, Australia
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16
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Relationships between Biomarkers of Oxidative Stress in Seminal Plasma and Sperm Motility in Bulls before and after Cryopreservation. Animals (Basel) 2022; 12:ani12192534. [PMID: 36230273 PMCID: PMC9558952 DOI: 10.3390/ani12192534] [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: 08/23/2022] [Revised: 09/16/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022] Open
Abstract
This study aimed at evaluating the relationship between biomarkers of oxidative stress (OS) in seminal plasma and sperm motility in bulls before and after cryopreservation. Three ejaculates per bull were collected from 20 young bulls. Each ejaculate was analyzed for motility before and after cryopreservation (by CASA), and the SP concentration of Advanced Oxidation Protein Products (AOPP), thiols, and carbonyl groups (CT) were examined. Then, based on their motility, the ejaculates were grouped into: high motility fresh (HMF), low motility fresh (LMF), high motility thawed (HMT), and low motility thawed (LMT) groups. Higher AOPP and thiol concentrations on SP were related (p < 0.05) to the higher LIN and BCF and lower ALH of fresh semen. In addition, AOPP and thiols were significantly higher in HMF than LMF. As a confirmation of this, the Receiver Operating Characteristic (ROC) curve analysis showed that AOPP and thiol concentrations in SP were able to discriminate between HMF and LMF ejaculates (Area Under the Curve of 71.67% and 72.04%, respectively). These observations give an alternative perspective on the relationship between sperm motility and the OS parameters of SP, which need further investigations.
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17
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Pardhiya S, Gautam R, Nirala JP, Murmu NN, Rajamani P. Modulatory role of Bovine serum albumin conjugated manganese dioxide nanoparticle on microwave radiation induced alterations in reproductive parameters of rat. Reprod Toxicol 2022; 113:136-149. [PMID: 36089154 DOI: 10.1016/j.reprotox.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/17/2022] [Accepted: 09/05/2022] [Indexed: 11/19/2022]
Abstract
In recent decades, microwave (MW) radiations are being used extensively for various applications such as Wi-Fi, telecommunication, etc. due to which there have been grave concerns regarding the adverse effects of MW exposure on human health, particularly the reproductive system. MW cause damage to the reproductive system by generating free radicals, decreasing antioxidant defence, and inducing oxidative stress. Hence, the present study was aimed to counteract the harmful effect by using antioxidant enzymes mimicking nanoparticle, Bovine serum albumin (BSA) conjugated manganese dioxide nanoparticle (MNP*). Male Wistar rats were exposed to MW and treated with MNP*, and their individual, as well as combined effect on reproductive parameters was investigated. Results showed that MW exposed rats had significantly reduced testosterone levels along with alterations in the testicular morphology. The antioxidant status decreased, and lipid peroxidation increased significantly in testis. MW exposure also showed altered sperm parameters such as a significant decrease in sperm count, viability, membrane integrity and mitochondrial activity with a significant increase in morphological abnormality and lipid peroxidation. As a result, the changes induced by MW may affect male fertility. However, upon combined exposure of MNP* and MW, these alterations were reduced significantly. Hence, it may be concluded that MNP* could reduce oxidative stress mediated damages in the reproductive system of rats owing to its antioxidant activity, and thus have a potential to act as a radioprotectant.
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Affiliation(s)
- Sonali Pardhiya
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Rohit Gautam
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Jay Prakash Nirala
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Nina Nancy Murmu
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Paulraj Rajamani
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
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18
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Escada-Rebelo S, Cristo MI, Ramalho-Santos J, Amaral S. Mitochondria-Targeted Compounds to Assess and Improve Human Sperm Function. Antioxid Redox Signal 2022; 37:451-480. [PMID: 34847742 DOI: 10.1089/ars.2021.0238] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Significance: Currently 10%-15% of couples in reproductive age face infertility issues. More importantly, male factor contributes to 50% of these cases (either alone or in combination with female causes). Among various reasons, impaired sperm function is the main cause for male infertility. Furthermore, mitochondrial dysfunction and oxidative stress due to increased reactive oxygen species (ROS) production, particularly of mitochondrial origin, are believed to be the main contributors. Recent Advances: Mitochondrial dysfunction, particularly due to increased ROS production, has often been linked to impaired sperm function/quality. For decades, different methods and approaches have been developed to assess mitochondrial features that might correlate with sperm functionality. This connection is now completely accepted, with mitochondrial functionality assessment used more commonly as a readout of sperm functionality. More recently, mitochondria-targeted compounds are on the frontline for both assessment and therapeutic approaches. Critical Issues: In this review, we summarize the current methods for assessing key mitochondrial parameters known to reflect sperm quality as well as therapeutic strategies using mitochondria-targeted antioxidants aiming to improve sperm function in various situations, particularly after sperm cryopreservation. Future Directions: Although more systematic research is needed, mitochondria-targeted compounds definitely represent a promising tool to assess as well as to protect and improve sperm function. Antioxid. Redox Signal. 37, 451-480.
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Affiliation(s)
- Sara Escada-Rebelo
- PhD Programme in Experimental Biology and Biomedicine, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.,Biology of Reproduction and Stem Cell Group, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.,IIIUC - Institute for Interdisciplinary Research, Casa Costa Alemão, University of Coimbra, Coimbra, Portugal
| | - Maria Inês Cristo
- Biology of Reproduction and Stem Cell Group, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - João Ramalho-Santos
- Biology of Reproduction and Stem Cell Group, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.,Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Sandra Amaral
- Biology of Reproduction and Stem Cell Group, Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.,IIIUC - Institute for Interdisciplinary Research, Casa Costa Alemão, University of Coimbra, Coimbra, Portugal
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19
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Talebi S, Arab A, Sorraya N. The Association Between Dietary Antioxidants and Semen Parameters: A Cross-Sectional Study Among Iranian Infertile Men. Biol Trace Elem Res 2022; 200:3957-3964. [PMID: 34741245 DOI: 10.1007/s12011-021-03007-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/31/2021] [Indexed: 10/19/2022]
Abstract
We aimed to explore the relationship between intakes of food-derived antioxidants (zinc, vitamin E, β-carotene, and selenium) and semen parameters in an infertile male population. This is a cross-sectional study among infertile men (> 18 years) referred to Isfahan Fertility and Infertility Center in Iran from March 2019 to October 2019. The main outcome measures were semen volume, sperm count, concentration, total motility, and morphology. Micronutrients considered in this analysis were zinc, selenium, β-carotene, and vitamin E. A total of 350 infertile men with a mean (SE) age of 34.77 (0.42) were included in this study. Selenium intake tended to be positively associated with higher semen volume (β = 0.79; 95% CI: - 0.01, 1.59) and sperm total motility after adjustment for main confounders (β = 2.64; 95% CI: - 3.61, 8.89). Intake of β-carotene was only associated with higher sperm total motility (β = 5.46; 95% CI: - 0.84, 11.77). No significant association was detected between intakes of zinc and vitamin E and semen parameters.In a population of infertile adult men, selenium intake was associated with higher sperm total motility and semen volume, and in the case of β-carotene, better sperm total motility. Further, prospective studies are warranted.
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Affiliation(s)
- Shokoofeh Talebi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Arman Arab
- Department of Community Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nasim Sorraya
- Department of Community Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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20
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Verratti V, Mrakic-Sposta S, Fusi J, Sabovic I, Franzoni F, Pietrangelo T, Bondi D, Dall’Acqua S, Daniele S, Scarfò G, Di Giulio C, Garolla A. Fertility Impairment after Trekking at High Altitude: A Proof of Mechanisms on Redox and Metabolic Seminal Changes. Int J Mol Sci 2022; 23:9066. [PMID: 36012330 PMCID: PMC9409093 DOI: 10.3390/ijms23169066] [Citation(s) in RCA: 2] [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: 07/12/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
Many authors described negative but reversible effects of high-altitude hypoxic exposure on animal and human fertility in terms of sperm concentration, function, and biochemical alterations. The aim of this study was to evaluate the acute and chronic effects of high-altitude exposure on classical sperm parameters, redox status, and membrane composition in a group of travellers. Five healthy Italian males, all lowlanders not accustomed to the altitude, were evaluated after 19 days-trekking through low, moderate, and high altitudes in the Himalayas. Sperm samples were collected before (Pre), 10 days after (Post), and 70 days after the end of the expedition (Follow-up). Sperm concentration, cholesterol and oxysterol membrane content, and redox status were measured. Hypoxic trek led to a significant reduction in sperm concentration (p < 0.001, η2p = 0.91), with a reduction from Pre to Post (71.33 ± 38.81 to 60.65 ± 34.63 × 106/mL) and a further reduction at Follow-up (to 37.13 ± 39.17 × 106/mL). The seminal volume was significantly affected by the hypoxic trek (p = 0.001, η2p = 0.75) with a significant reduction from Pre to Post (2.86 ± 0.75 to 1.68 ± 0.49 mL) and with partial recovery at Follow-up (to 2.46 ± 0.45 mL). Moreover, subjects had an increase in ROS production (+86%), and a decrease in antioxidant capacity (−37%) in the Post period with partial recovery at Follow-up. These results integrated the hormonal response on thyroid function, hypothalamus−pituitary−gonadal axis, and the prolactin/cortisol pathways previously reported. An uncontrolled ROS production, rather than a compromised antioxidant activity, was likely the cause of impaired sperm quality. The reduction in fertility status observed in this study may lie in an evolutionary Darwinian explanation, i.e., limiting reproduction due to the “adaptive disadvantage” offered by the combined stressors of high-altitude hypoxia and daily physical exercise.
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Affiliation(s)
- Vittore Verratti
- Department of Psychological, Health and Territorial Sciences, University “G. D’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Simona Mrakic-Sposta
- Institute of Clinical Physiology, National Research Council (IFC-CNR), 20162 Milan, Italy
| | - Jonathan Fusi
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Iva Sabovic
- Department of Medicine, University of Padova, 35122 Padova, Italy
| | - Ferdinando Franzoni
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Tiziana Pietrangelo
- Department of Neuroscience, Imaging and Clinical Sciences, University “G. D’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Danilo Bondi
- Department of Neuroscience, Imaging and Clinical Sciences, University “G. D’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Science, University of Padova, Via Marzolo 5, 35128 Padova, Italy
| | - Simona Daniele
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Giorgia Scarfò
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Camillo Di Giulio
- Department of Neuroscience, Imaging and Clinical Sciences, University “G. D’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
| | - Andrea Garolla
- Department of Medicine, University of Padova, 35122 Padova, Italy
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21
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Llavanera M, Delgado-Bermúdez A, Ribas-Maynou J, Salas-Huetos A, Yeste M. A systematic review identifying fertility biomarkers in semen: a clinical approach through Omics to diagnose male infertility. Fertil Steril 2022; 118:291-313. [PMID: 35718545 DOI: 10.1016/j.fertnstert.2022.04.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To identify the most robust molecular biomarkers in sperm and seminal plasma for the diagnosis of male infertility, and to evaluate their clinical use. DESIGN Systematic review. SETTING Not applicable. PATIENT(S) Accessible studies reporting well-defined (in)fertile populations and semen molecular biomarkers were included in this review. INTERVENTION(S) A systematic search of the literature published in MEDLINE-PubMed and EMBASE databases was performed, following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. MAIN OUTCOME MEASURE(S) The primary outcome was the content, expression, or activity of molecular biomarkers in human semen samples. Only studies reporting a receiver-operating characteristic (ROC) analysis values were included. RESULT(S) Eighty-nine studies were included. Direct evaluation of sperm DNA damage has high potential as a diagnostic biomarker of fertility and assisted reproductive technology outcomes (area under the curve [AUCs] median = 0.67). Regarding strand break-associated chromatin modifications, γH2AX levels show good predictive value for the diagnosis of male infertility (AUCs median = 0.93). Some noncoding ribonucleic acid (RNA) exhibit excellent predictive values; miR-34c-5p in semen is the most well-characterized and robust transcriptomic biomarker (AUCs median = 0.78). While many proteins in semen show fair diagnostic value for sperm quality and fertilizing capacity, the levels of some, such as TEX101, in seminal plasma have an excellent diagnostic potential (AUCs median = 0.69). Although individual metabolites and metabolomic profiles in seminal plasma present good predictive value, the latter seem to be better than the former when inferring sperm quality and fertilizing capacity. CONCLUSION(S) The current review supports that some Omics (e.g., DNA structure and integrity, genomics and epigenomics, transcriptomics, metabolomics, and proteomics) could be considered relevant molecular biomarkers that may help identify infertility etiologies and fertilization prognosis with cost-effective, simple, and accurate diagnosis.
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Affiliation(s)
- Marc Llavanera
- 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
| | - Ariadna Delgado-Bermúdez
- 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
| | - Albert Salas-Huetos
- 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; Department of Nutrition, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts; Consorcio CIBER, M.P., Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III (ISCIII), Madrid, 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
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22
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Henkel R, Morris A, Vogiatzi P, Saleh R, Sallam H, Boitrelle F, Garrido N, Arafa M, Gül M, Rambhatla A, Rosas IM, Agarwal A, Leisegang K, Siebert TI. Predictive value of seminal oxidation-reduction potential (ORP) analysis for reproductive outcomes of intracytoplasmic sperm injection (ICSI) cycles. Reprod Biomed Online 2022; 45:1007-1020. [DOI: 10.1016/j.rbmo.2022.05.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/19/2022] [Accepted: 05/17/2022] [Indexed: 10/18/2022]
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23
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Kavoussi PK, Gilkey MS, Machen GL, Kavoussi SK, Dorsey C. Varicocele repair improves static oxidation reduction potential as a measure of seminal oxidative stress levels in infertile men: A prospective clinical trial using the MiOXSYS system. Urology 2022; 165:193-197. [DOI: 10.1016/j.urology.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/08/2022] [Accepted: 04/07/2022] [Indexed: 10/18/2022]
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24
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AITKEN RJ, GIBB Z. Sperm oxidative stress in the context of male infertility: current evidence, links with genetic and epigenetic factors and future clinical needs. Minerva Endocrinol (Torino) 2022; 47:38-57. [DOI: 10.23736/s2724-6507.21.03630-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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25
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Mannucci A, Argento FR, Fini E, Coccia ME, Taddei N, Becatti M, Fiorillo C. The Impact of Oxidative Stress in Male Infertility. Front Mol Biosci 2022; 8:799294. [PMID: 35071326 PMCID: PMC8766739 DOI: 10.3389/fmolb.2021.799294] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/16/2021] [Indexed: 12/15/2022] Open
Abstract
At present infertility is affecting about 15% of couples and male factor is responsible for almost 50% of infertility cases. Oxidative stress, due to enhanced Reactive Oxygen Species (ROS) production and/or decreased antioxidants, has been repeatedly suggested as a new emerging causative factor of this condition. However, the central roles exerted by ROS in sperm physiology cannot be neglected. On these bases, the present review is focused on illustrating both the role of ROS in male infertility and their main sources of production. Oxidative stress assessment, the clinical use of redox biomarkers and the treatment of oxidative stress-related male infertility are also discussed.
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Affiliation(s)
- Amanda Mannucci
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Flavia Rita Argento
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Eleonora Fini
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Maria Elisabetta Coccia
- Assisted Reproductive Technology Centre, Careggi Hospital, University of Florence, Florence, Italy
| | - Niccolò Taddei
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
| | - Claudia Fiorillo
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy
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Montagne L, Gilbert H, Muller N, Le Floc'h N. Physiological response to the weaning in two pig lines divergently selected for residual feed intake. J Anim Physiol Anim Nutr (Berl) 2021; 106:802-812. [PMID: 34351031 DOI: 10.1111/jpn.13622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/09/2021] [Accepted: 07/22/2021] [Indexed: 12/24/2022]
Abstract
Breeding efficient pigs is a way to reduce dietary costs and environmental waste. However, optimization of feed efficiency must not be linked to a decrease of the ability of animals to cope with stress, such as the weaning. This study characterizes the response after weaning of pigs from two lines divergently selected for residual feed intake (RFI) during growth. Animals of the low (L) RFI line are more efficient than animals from the high (H) RFI line. Thirty-six piglets from each line weaned at 28 days of age were individually housed and fed a conventional dietary sequence. Their performance, behaviour, health and oxidative status, immune and nutritional parameters were followed during three weeks. Daily feed intake and growth rate of pigs from the LRFI line were 35% and 40% lower compared with HRFI (p < 0.001). Pigs from the LRFI-line had lower total tract apparent digestibility (-6% for OM) and suffered more from undernutrition with a 167 and 55% higher plasmatic concentration of NEFA and urea compared with HRFI (p < 0.01). In the first week after the weaning, they had more diarrhoea and had a higher inflammatory status with concentration of haptoglobin 52% higher (p < 0.001). These piglets then seemed to adapt to the weaning conditions and to recover during the second and third weeks. Both lines had similar zootechnical performance and physiological characteristics at the end of the post-weaning period. To conclude, the physiological responses to the weaning differed between lines. Pigs from the LRFI line, selected for greater feed efficiency, were more sensitive to the weaning stress. They were also more resilient as they finally adapted to the new condition and recovered to show similar performance results as pigs of the HRFI line.
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Affiliation(s)
| | - Hélène Gilbert
- GenPhySE, INRAE, ENVT, Université de Toulouse, Castanet-Tolosan, France
| | - Nelly Muller
- PEGASE, INRAE, Institut Agro, Saint-Gilles, France
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Measurement of Oxidative Stress Index in Seminal Plasma Can Predict In Vivo Fertility of Liquid-Stored Porcine Artificial Insemination Semen Doses. Antioxidants (Basel) 2021; 10:antiox10081203. [PMID: 34439450 PMCID: PMC8388916 DOI: 10.3390/antiox10081203] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 07/23/2021] [Accepted: 07/26/2021] [Indexed: 12/22/2022] Open
Abstract
The study evaluated the relation between the oxidative stress index (OSI) in porcine seminal plasma (n = 76) with sperm resilience and in vivo fertility (farrowing rate and litter size of 3137 inseminated sows) of liquid-stored artificial insemination (AI) semen doses. The OSI was assessed as the ratio of advanced oxidation protein products to Trolox-equivalent antioxidant capacity, both measured using an automated analyzer. Sperm motility (computer-assisted sperm analyzer) and viability (flow cytometry) were evaluated in semen AI-doses at 0 and 72 h of storage at 17 °C. Sperm resilience was defined as the difference between storage intervals. Semen AI-doses were hierarchically clustered as having high, medium and low seminal OSI (p < 0.001) with those of low displaying higher resilience (p < 0.01). Boars were hierarchically clustered into two groups (p < 0.001) as having either positive or negative farrowing rate and litter size deviation; the negative one showing higher seminal OSI (p < 0.05). In sum, seminal OSI was negatively related to sperm motility and the in vivo fertility of liquid-stored boar semen AI-doses, with the receiver operating characteristic curve presenting seminal OSI as a good predictive biomarker of in vivo fertility of AI-boars (area under the curve: 0.815, p < 0.05).
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Nikitchenko YV, Klochkov VK, Kavok NS, Karpenko NA, Yefimova SL, Nikitchenko IV, Bozhkov AI. Age-Related Effects of Orthovanadate Nanoparticles Involve Activation of GSH-Dependent Antioxidant System in Liver Mitochondria. Biol Trace Elem Res 2021; 199:649-659. [PMID: 32447579 DOI: 10.1007/s12011-020-02196-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 05/14/2020] [Indexed: 12/21/2022]
Abstract
Vanadium is an important ultra-trace element nowadays attracting attention with particular emphasis on medical application. But the therapeutic application of vanadium-based drugs is still questionable and restricted due to some toxic side effects. It was found that unique redox properties of vanadium in nanoform provided antioxidant activity and prevented oxidative disturbance in cells in vitro. Though, on the organism level, ambiguous effects of vanadium-based nanoparticles were observed. In this study, the age-related features of prooxidant/antioxidant balance in blood serum and liver mitochondrial and postmitochondrial fractions of 3 and 18-month-old Wistar male rats treated with orthovanadate nanoparticles (GdVO4/Eu3+, 8 × 25 nm) within 2 months have been investigated. Prooxidant potential-related indexes were the content of lipid hydroperoxides as well as aconitase activity. Activity of glutathione peroxidase, glutathione-S-transferase, glutaredoxin, glutathione reductase, glucose-6-phosphate dehydrogenase, and NADPH-dependent isocitrate dehydrogenase designated the tissue antioxidant potential. Based on the obtained values, the integral index of the prooxidant/antioxidant balance-the reliability coefficient (Kr) has been calculated. The data show that due to activation some chain links of GSH-dependent antioxidant system, GdVO4/Eu3+ nanoparticles increase the reliability of the prooxidant-antioxidant balance in tissues and especially in the liver mitochondria of old animals (Kr in mitochondria of young rats was 2.94, and in mitochondria of old ones-9.83 conventional units). Detected in vitro glutathione peroxidase-like activity of the GdVO4/Eu3+ nanoparticles is supposed to be among factors increasing the reliability of the system. So, for the first time, the beneficial effect of the long-term orthovanadate nanoparticle consumption in old males has been discovered.
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Affiliation(s)
- Yuri V Nikitchenko
- Biology Research Institute, Karazin Kharkiv National University, pl. Svobody 4, Kharkiv, 61000, Ukraine
| | - Vladimir K Klochkov
- Institute for Scintillation Materials, National Academy of Sciences of Ukraine, 60 Nauky Ave., Kharkiv, 61072, Ukraine
| | - Nataliya S Kavok
- Institute for Scintillation Materials, National Academy of Sciences of Ukraine, 60 Nauky Ave., Kharkiv, 61072, Ukraine.
| | - Nina A Karpenko
- Institute for Scintillation Materials, National Academy of Sciences of Ukraine, 60 Nauky Ave., Kharkiv, 61072, Ukraine
| | - Svetlana L Yefimova
- Institute for Scintillation Materials, National Academy of Sciences of Ukraine, 60 Nauky Ave., Kharkiv, 61072, Ukraine
| | - Irina V Nikitchenko
- Biology Research Institute, Karazin Kharkiv National University, pl. Svobody 4, Kharkiv, 61000, Ukraine
| | - Anatoly I Bozhkov
- Biology Research Institute, Karazin Kharkiv National University, pl. Svobody 4, Kharkiv, 61000, Ukraine
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Nago M, Arichi A, Omura N, Iwashita Y, Kawamura T, Yumura Y. Aging increases oxidative stress in semen. Investig Clin Urol 2021; 62:233-238. [PMID: 33660452 PMCID: PMC7940853 DOI: 10.4111/icu.20200066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/16/2020] [Accepted: 12/09/2020] [Indexed: 01/19/2023] Open
Abstract
Purpose As age increases, oxidative stress increases, sperm motility decreases, and DNA fragmentation increases. To date, reports of age-related effects on semen have focused on reactive oxygen species (ROS) or total antioxidant capacity (TAC) as indicators of oxidative stress. However, assessments of ROS and TAC must be considered within a more comprehensive context in order to correctly evaluate oxidative stress and interpret findings. In this regard, the purpose of this study was to investigate the relationship between the static oxidation reduction potential (sORP) and paternal age with the goal of using the sORP as an indicator of semen oxidative stress. Materials and Methods Semen samples from 173 men were analyzed for the following parameters: volume, motility, and beat cross frequency (BCF). The sORP was measured by using the MiOXSYS™ system. The correlation between semen parameters and the sORP level was analyzed as a function of age. The rate of sORP positivity was compared between men <34 and ≥34 years of age, with a positive sORP defined as a level ≥1.38. Results Volume, motility, and BCF were negatively correlated with age (p<0.001). The semen sORP level was positively correlated with age (p<0.05). The rate of sORP positivity was significantly increased in men ≥34 years of age compared with that in men <34 years of age (33% compared with 12%, respectively; p<0.01). Conclusions The sORP may play a role in age-related decreases in semen parameters (volume, motility, and BCF). The rate of sORP positivity increased significantly after 34 years of age.
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Affiliation(s)
- Mitsuru Nago
- Denentoshi Ladies Clinic, Yokohama, Kanagawa, Japan.
| | - Akane Arichi
- Denentoshi Ladies Clinic, Yokohama, Kanagawa, Japan
| | - Naoki Omura
- Denentoshi Ladies Clinic, Yokohama, Kanagawa, Japan
| | | | | | - Yasushi Yumura
- Department of Urology, Reproduction Center, Yokohama City University Medical Center, Yokohama, Kanagawa, Japan
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Takeshima T, Usui K, Mori K, Asai T, Yasuda K, Kuroda S, Yumura Y. Oxidative stress and male infertility. Reprod Med Biol 2021; 20:41-52. [PMID: 33488282 PMCID: PMC7812476 DOI: 10.1002/rmb2.12353] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 09/19/2020] [Accepted: 09/28/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Between 30% and 80% of patients with male infertility produce excessive reactive oxygen species (ROS) in their ejaculate even though the cause of male infertility is unexplained in approximately half of cases. The strong connection between oxidative stress (OS) and male infertility has led recent investigators to propose the term "Male Oxidative Stress Infertility (MOSI)" to describe OS-associated male infertility. METHODS We searched the PubMed database for original and review articles to survey the effects of OS on male infertility, and then verified the effects and treatments. MAIN FINDINGS Seminal plasma contains many antioxidants that protect sperm from ROS, because low amounts of ROS are required in the physiological fertilization process. The production of excessive ROS causes OS which can lower fertility through lipid peroxidation, sperm DNA damage, and apoptosis. Several assays are available for evaluating OS, including the MiOXSYS® analyzer to measure oxidation-reduction potential. Several measures should be considered for minimizing OS and improving clinical outcomes. CONCLUSION Accurately diagnosing patients with MOSI and identifying highly sensitive biomarkers through proteomics technology is vital for better clinical outcomes.
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Affiliation(s)
- Teppei Takeshima
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
| | - Kimitsugu Usui
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
| | - Kohei Mori
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
| | - Takuo Asai
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
| | - Kengo Yasuda
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
| | - Shinnosuke Kuroda
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
| | - Yasushi Yumura
- Department of Urology, Reproduction CenterYokohama City University Medical CenterYokohama cityJapan
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Karabulut S, Korkmaz O, Yılmaz E, Keskin I. Seminal oxidation-reduction potential as a possible indicator of impaired sperm parameters in Turkish population. Andrologia 2020; 53:e13956. [PMID: 33381879 DOI: 10.1111/and.13956] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/13/2020] [Accepted: 12/17/2020] [Indexed: 11/30/2022] Open
Abstract
Oxidative stress (OS) has been shown to have a key role in male infertility. Recently, a new measurement method has been developed to measure the overall oxidation-reduction potential (ORP) in a semen sample known as the MiOXSYS system. The aim of this study was to investigate the correlation of sperm parameters with oxidative stress levels determined by ORP and to evaluate whether the current limit is able to distinguish abnormal sperm parameters from normal ones in Turkish population. Semen samples of 121 patients who applied for infertility investigation were divided into two groups as (OS +; n:39) and (OS -; n:82). Semen parameters were compared between groups. Sperm concentration, total motility and progressive motility were found to be significantly lower in OS (+) patients compared to those OS (-), while immotile sperm count was significantly higher in OS (+) patients. Oxidative stress determined by MiOXSYS system was found to be related to reduced sperm parameters in Turkish population, which may be used as an indicator of poor sperm parameters and a support to routine semen analysis. In addition, recommended reference value was found to be reliable in distinguishing normal from impaired semen parameters.
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Affiliation(s)
- Seda Karabulut
- Department of Histology and Embryology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Oya Korkmaz
- Department of Histology and Embryology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Elif Yılmaz
- Medistate Hospital, IVF Center, Istanbul, Turkey
| | - Ilknur Keskin
- Department of Histology and Embryology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey
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Garcia-Segura S, Ribas-Maynou J, Lara-Cerrillo S, Garcia-Peiró A, Castel AB, Benet J, Oliver-Bonet M. Relationship of Seminal Oxidation-Reduction Potential with Sperm DNA Integrity and pH in Idiopathic Infertile Patients. BIOLOGY 2020; 9:biology9090262. [PMID: 32882928 PMCID: PMC7564726 DOI: 10.3390/biology9090262] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/12/2020] [Accepted: 08/28/2020] [Indexed: 12/23/2022]
Abstract
Seminal oxidative stress (OS) is one of the most promising factors to describe the causes of idiopathic male infertility. Redox balance is essential in several biological processes related to fertility, so alterations such as high reactive oxygen species (ROS) levels or low antioxidant agent levels can compromise it. MiOXSYS has been developed to evaluate the seminal static oxidation-reduction potential (sORP) and it has been proposed as an effective diagnostic biomarker. However, its relationship with parameters like sperm DNA fragmentation (SDF), chromatin compaction status or seminal pH requires further analysis, making it the object of this study. Semen and sORP analysis were performed for all samples. A terminal deoxynucleotidyl transferase dUTP nick end labeling assay (TUNEL) and Comet assay were used to assess SDF and chromomycin a3 (CMA3) test to assess sperm chromatin compaction. Regarding sORP measures, it was found that alkaline pH has an effect on sample reproducibility. To our knowledge, this unexpected effect has not been previously described. A statistical analysis showed that sORP correlated negatively with CMA3 positive cells and sperm motility, but not with SDF. As redox dysregulation, which occurs mainly at the testicular and epididymal level, causes chromatin compaction problems and leaves DNA exposed to damage, an excess of ROS could be counterbalanced further by a seminal supply of antioxidant molecules, explaining the negative correlation with CMA3 positive cells but no correlation with SDF. Our results show that the study of idiopathic infertility would benefit from a combined approach comprising OS analysis, SDF and chromatin compaction analysis.
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Affiliation(s)
- Sergio Garcia-Segura
- Unit of Cell Biology and Medical Genetics, Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Av. Can Domenech s/n, Bellaterra, 08193 Catalunya, Spain;
- Correspondence: (S.G.-S.); (J.B.); (M.O.-B.)
| | - Jordi Ribas-Maynou
- Unit of Cell Biology and Medical Genetics, Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Av. Can Domenech s/n, Bellaterra, 08193 Catalunya, Spain;
| | - Sandra Lara-Cerrillo
- CIMAB, Barcelona Male Infertility Centre, C. Vallcorba 1-3, Sant Quirze del Vallès, 08192 Catalunya, Spain; (S.L.-C.); (A.G.-P.)
| | - Agustín Garcia-Peiró
- CIMAB, Barcelona Male Infertility Centre, C. Vallcorba 1-3, Sant Quirze del Vallès, 08192 Catalunya, Spain; (S.L.-C.); (A.G.-P.)
| | - Ana Belén Castel
- Instituto de Fertilidad, C. Calçat 6, 07011 Palma Mallorca, Spain;
| | - Jordi Benet
- Unit of Cell Biology and Medical Genetics, Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Av. Can Domenech s/n, Bellaterra, 08193 Catalunya, Spain;
- Correspondence: (S.G.-S.); (J.B.); (M.O.-B.)
| | - Maria Oliver-Bonet
- Unit of Cell Biology and Medical Genetics, Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Av. Can Domenech s/n, Bellaterra, 08193 Catalunya, Spain;
- Genosalut, Camí dels Reis 308, 07010 Palma Mallorca, Spain
- Correspondence: (S.G.-S.); (J.B.); (M.O.-B.)
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Nwangwa JN, Udefa AL, Amama EA, Inah IO, Ibrahim HJ, Iheduru SC, Okorie NE, Ogar JA, Madaki FN, Owai PO, Karawei EV. Cyperus esculentus L. (tigernut) mitigates high salt diet-associated testicular toxicity in Wistar rats by targeting testicular steroidogenesis, oxidative stress and inflammation. Andrologia 2020; 52:e13780. [PMID: 32816391 DOI: 10.1111/and.13780] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/03/2020] [Accepted: 07/08/2020] [Indexed: 11/27/2022] Open
Abstract
High salt diet (HSD) impairs testicular function via oxidative stress. Cyperus esculentus contains antioxidants and improves testicular function. We investigated the protective effect of hydro-ethanolic extract of Cyperus esculentus on testicular function in HSD-fed Wistar rats. Twenty-five male Wistar rats (125-135 g) 8-9 weeks old were divided into five groups (n = 5): control, HSD-fed (8 % NaCl in feed), extract-treated (500 mg kg-1 day-1 ), HSD-fed +500 mg kg-1 day-1 of extract and HSD-fed +1,000 mg kg-1 day-1 of extract groups. Treatment lasted for 6 weeks. HSD decreased (p < .05) sperm parameters and serum reproductive hormones levels, while Cyperus esculentus extract improved (p < .05) sperm parameters, and serum testosterone and follicle-stimulating hormone levels in HSD-fed rats. The extract upregulated intra-testicular testosterone level and activities of 3β-hydroxysteroid dehydrogenase (3β-HSD) and 17β-HSD, downregulated malondialdehyde and nitric oxide levels, and exhibited a dose-dependent decrease in pro-inflammatory cytokines, upregulation of activities of enzymatic antioxidants and increase in total antioxidant capacity in testes of HSD-fed rats. The extract at both doses improved Johnsen's score, Leydig and Sertoli cell counts and seminiferous tubular diameter in HSD-fed rats. Cyperus esculentus exhibited a dose-dependent mitigation of HSD-associated testicular dysfunction by targeting testicular steroidogenesis, oxidative stress and inflammation.
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Affiliation(s)
- Justina Nwandimma Nwangwa
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Augustine Lishilinimye Udefa
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Ernest Atelhe Amama
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Inah Onete Inah
- Department of Medical Laboratory Science, Faculty of Allied Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Hamza Joseph Ibrahim
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Stephanie Chinelo Iheduru
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Nichole Edikan Okorie
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Joy Agede Ogar
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Faith Nuhu Madaki
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Peace Okon Owai
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Elayofa Victory Karawei
- Department of Physiology, Faculty of Basic Medical Sciences, College of Medical Sciences, University of Calabar, Calabar, Nigeria
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Treatment of rams with melatonin implants in the non-breeding season improves post-thaw sperm progressive motility and DNA integrity. Anim Reprod Sci 2020; 221:106579. [PMID: 32919308 DOI: 10.1016/j.anireprosci.2020.106579] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/16/2020] [Accepted: 08/17/2020] [Indexed: 11/24/2022]
Abstract
In the Merino ram, it is unclear whether cryopreserved sperm function and fertility is compromised when collected during the non-breeding season, when Merino ewes are seasonally anestrus. It was therefore investigated whether treatment with melatonin could improve sperm function or fertility when semen was collected during the period Merino ewes were seasonally anestrus. There were 16 Merino rams treated or not treated with melatonin implants during the non-breeding season of ewes (September). Ejaculates were collected before melatonin treatment (Week 0), during the period of melatonin release (Week 7) and subsequent breeding season (Week 23). In vitro sperm function was assessed before freezing, and at 0- and 3 -hs post-thaw. Fertility was determined through intrauterine insemination of ewes (n = 966) with frozen-thawed samples, during the breeding season. Compared to Week 0 values, spermatozoa from melatonin-treated rams had greater progressive motility at Week 7 (P = 0.019) and less DNA fragmentation (P = 0.003) at Weeks 7 and 23, whilst spermatozoa from non-treated rams were unchanged during these time-periods. There were no other treatment effects on sperm function or fertility (P > 0.05). In ejaculates collected during Week 23, there were no effects of treatment either before freezing or post-thawing. Sperm from ejaculates collected at Week 23, however, had lesser pre-freezing/post-thawing total motility and resulted in lower pregnancy rates (P < 0.05). It is concluded there are no effects of season on sperm quality or fertility of Merino rams and that melatonin treatment subtly improves quality of spermatozoa following cryopreservation.
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Robert KA, Sharma R, Henkel R, Agarwal A. An update on the techniques used to measure oxidative stress in seminal plasma. Andrologia 2020; 53:e13726. [PMID: 32814366 DOI: 10.1111/and.13726] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 05/12/2020] [Accepted: 05/22/2020] [Indexed: 12/15/2022] Open
Abstract
Reactive oxygen species (ROS) are produced in significant amounts by spermatozoa and leucocytes. They are necessary to carry out various physiological functions such as sperm capacitation, hyperactivation, acrosome reaction, sperm-zona binding and cellular signalling pathways. Oxidative stress (OS) results when the ROS levels overwhelm the available antioxidant reserve. A number of direct and indirect tests have been developed to assess oxidative stress. In this manuscript, we discuss these common direct and indirect tests as well as their advantages and disadvantages. Tests measuring sperm dysfunction secondary to oxidative stress such as lipid peroxidation, DNA fragmentation and protein alterations are also described.
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Affiliation(s)
- Kathy A Robert
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Rakesh Sharma
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ralf Henkel
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
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Gupta S, Finelli R, Agarwal A, Henkel R. Total antioxidant capacity-Relevance, methods and clinical implications. Andrologia 2020; 53:e13624. [PMID: 32400041 DOI: 10.1111/and.13624] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/03/2020] [Accepted: 04/10/2020] [Indexed: 12/31/2022] Open
Abstract
Oxidative stress is pre-empted by an adequate level of antioxidants, which scavenge oxidants when they are produced in excess by different sources, including leukocytes and immature spermatozoa. Enzymatic antioxidants, such as superoxide dismutase, catalase and glutathione peroxidase, and several non-enzymatic antioxidants (proteins, vitamins and minerals), working as oxidant scavengers and cofactors of enzymatic antioxidants have been identified in seminal plasma. The total antioxidant capacity (TAC) is a diagnostic test that can be utilised in the male infertility workup. TAC measures the amount of total antioxidants in seminal plasma. Therefore, it provides an assessment of the reductive potential in seminal plasma. Several studies have investigated the diagnostic application of TAC in various andrology conditions. There is substantial evidence in the literature to show that infertile patients have lower seminal TAC in comparison with fertile men. Moreover, there is a positive correlation between TAC and seminal parameters, such as sperm concentration, motility and morphology. Evaluation of TAC together with reactive oxygen species (ROS) and sperm DNA fragmentation index (DFI) may be beneficial in the diagnosis of male infertility.
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Affiliation(s)
- Sajal Gupta
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Renata Finelli
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ralf Henkel
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.,Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa
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Dave P, Farber N, Vij S. Conventional semen analysis and advanced sperm function tests in diagnosis and management of varicocele. Andrologia 2020; 53:e13629. [PMID: 32369238 DOI: 10.1111/and.13629] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 04/06/2020] [Accepted: 04/10/2020] [Indexed: 12/17/2022] Open
Abstract
Clinical varicoceles are a common cause of male infertility and affect sperm parameters as measured in a conventional semen analysis. Varicocelectomy has been shown in prospective studies to improve semen parameters in men with a clinical varicocele. Clinical varicoceles are also a well-known source of oxidative stress which may affect the quality of spermatozoa. Spermatozoa are particularly susceptible to oxidative stress due to a limited capacity for DNA repair. The susceptibility of spermatozoa to oxidative stress is modulated by a balance between ROS and antioxidants, which can be quantified by various laboratory assays. Varicocelectomy has been consistently shown to reduce both ROS and sperm DNA fragmentation, and various assays should be utilised in the diagnosis and treatment of infertile men with a clinical varicocele.
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Affiliation(s)
- Priya Dave
- Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Nicholas Farber
- Department of Urology, Cleveland Clinic Foundation, Glickman Urological & Kidney Institute, Cleveland, OH, USA
| | - Sarah Vij
- Department of Urology, Cleveland Clinic Foundation, Glickman Urological & Kidney Institute, Cleveland, OH, USA
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Kuroda S, Takeshima T, Takeshima K, Usui K, Yasuda K, Sanjo H, Kawahara T, Uemura H, Murase M, Yumura Y. Early and late paternal effects of reactive oxygen species in semen on embryo development after intracytoplasmic sperm injection. Syst Biol Reprod Med 2020; 66:122-128. [PMID: 32063036 DOI: 10.1080/19396368.2020.1720865] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Although reactive oxygen species in semen are associated with unfavorable results with respect to assisted reproductive technology, their effects based on the detailed stages of embryo development are unclear. We investigated the relationship between reactive oxygen species in semen and the oocyte fertilization rate, cleavage rate, and blastulation rate of intracytoplasmic sperm injections. This retrospective study enrolled 77 couples who underwent intracytoplasmic sperm injection and analyzed 887 eggs from 141 cycles of intracytoplasmic sperm injection. The reactive oxygen species level in semen was compared between the fertilized and nonfertilized groups, between the good-cleavage-embryo and non-developed-embryo groups, and between the good-quality-blastocyst and poor-quality-blastocyst groups. The cut-off level of reactive oxygen species was calculated to predict good-cleavage-embryo and good-quality-blastocyst development. The fertilization rate was 65.4%, and the mean reactive oxygen species levels were not significantly different between the fertilized and nonfertilized groups. The reactive oxygen species level was significantly higher in the non-developed-embryo group than in the good-cleavage-embryo group (P = 0.0026) and was significantly lower in the good-quality-blastocyst group than in the poor-quality-embryo group (P = 0.015). Cleavage embryos and blastocysts were divided into high- and low-reactive-oxygen-species groups using a cut-off value of 6601 and 4926 relative light units, as calculated from the receiver operating characteristic curve. The rates of good-cleavage embryos and good-quality blastocysts were lower in the high-reactive-oxygen-species group than in the low-reactive-oxygen-species group, which were both statistically significant. To conclude, reactive oxygen species in semen is considered to have an adverse effect on both the early and late stages of embryo development in intracytoplasmic sperm injection.Abbreviations: GnRH, gonadotropin-releasing hormone; ICSI, intracytoplasmic sperm injection; IVF, in vitro fertilization; LPO, lipid peroxidation; NADPH, nicotinamide adenine dinucleotide phosphate; RLU, relative light units; ROC, receiver operating characteristic; ROS, reactive oxygen species.
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Affiliation(s)
- Shinnosuke Kuroda
- Department of Urology, Reproduction Centre, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Teppei Takeshima
- Department of Urology, Reproduction Centre, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Kazumi Takeshima
- Department of Gynaecology, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Kimitsugu Usui
- Department of Urology, Reproduction Centre, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Kengo Yasuda
- Department of Urology, Reproduction Centre, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Hiroyuki Sanjo
- Department of Urology, Reproduction Centre, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Takashi Kawahara
- Department of Urology and Renal Transplantation, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Hiroji Uemura
- Department of Urology and Renal Transplantation, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Mariko Murase
- Department of Gynaecology, Yokohama City University Medical Centre, Kanagawa, Japan
| | - Yasushi Yumura
- Department of Urology, Reproduction Centre, Yokohama City University Medical Centre, Kanagawa, Japan
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Esteves SC. Interventions to Prevent Sperm DNA Damage Effects on Reproduction. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1166:119-148. [PMID: 31301050 DOI: 10.1007/978-3-030-21664-1_8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Excessive oxidation and antioxidant imbalance resulting from several conditions may cause sperm DNA damage, which, in turn, affect male fertility, both natural and assisted. Sperm DNA damage transferred to the embryo might also affect the health of offspring. Several conditions associated with excessive oxidative stress are modifiable by the use of specific treatments, lifestyle changes, and averting exposure to environmental/occupational toxicants. Here, we discuss the strategies to reduce sperm DNA damage with a focus on clinical and surgical interventions.
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Affiliation(s)
- Sandro C Esteves
- ANDROFERT, Andrology and Human Reproduction Clinic, Referral Center for Male Reproduction, Campinas, SP, Brazil. .,Department of Surgery (Division of Urology), University of Campinas (UNICAMP), Campinas, SP, Brazil. .,Faculty of Health, Aarhus University, Aarhus, Denmark.
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Bahrami S, Mousavi SS, Alborzi AR, Mohammadi G, Namavari M. Sperm quality and hormonal levels in C57BL/6 mice infected with Neospora caninum. Vet Parasitol 2019; 273:5-10. [PMID: 31442893 DOI: 10.1016/j.vetpar.2019.07.010] [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: 05/11/2019] [Revised: 07/25/2019] [Accepted: 07/26/2019] [Indexed: 11/19/2022]
Abstract
Neospora caninum is a major pathogen of cattle and dogs, and neosporosis is widespread in five continents. In this study effect of experimental neosporosis on sperm quality of C57BL/6 mice in different days was investigated. Based on the results sperm concentration was not changed in infected groups but neosporosis induced a significant decrease in epididymis sperm motility at 60 days post infection. A significant increase in the number of abnormal sperms at five, 15, 30 and 60 days post infection was found. At days 15, 30 and 60 post infection testosterone concentrations were significantly low in infected groups and FSH level was significantly high in infected groups at five and 30 days post infection. LH level was decreased in infected groups, but the difference was significant at five, 15 and 30 days post infection. Comparison of TSH and T4 levels between groups revealed a significant decrease in infected groups at five, 15, 30 and 60 days post infection. Except 15 days post infection T3 levels decreased significantly in infected groups. GPX activity, MDA and TAC level was significantly increased in infected mice at five days post infection. In this study neosporosis is associated with hypogonadotrophic gonadal insufficiency in infected C57BL/6 male mice.
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Affiliation(s)
- Somayeh Bahrami
- Department of Parasitology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
| | - Seyyede Sedighe Mousavi
- Department of Parasitology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Ali Reza Alborzi
- Department of Parasitology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Godratollah Mohammadi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Iran
| | - Mehdi Namavari
- Razi Vaccine and Serum Research Institute, Shiraz Branch, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
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Urh C, Denißen J, Gerster E, Kraus N, Stamer E, Heitkönig B, Spiekers H, Sauerwein H. Short communication: Pro- and antioxidative indicators in serum of dairy cows during late pregnancy and early lactation: Testing the effects of parity, different dietary energy levels, and farm. J Dairy Sci 2019; 102:6672-6678. [PMID: 31056335 DOI: 10.3168/jds.2019-16248] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 03/06/2019] [Indexed: 01/08/2023]
Abstract
Dairy cows face metabolic challenges in the transition from late pregnancy to early lactation. The energy demands for the growing fetus and the onset of milk production are increasing but voluntary feed intake often decreases around parturition and cannot meet these demands. This energy balance, among others, can change the oxidative status. Oxidative stress occurs when antioxidant defense mechanisms are not sufficient to cope with the increasing generation of reactive oxygen species. Our objectives were to investigate (1) the effect of parity on the oxidative status of dairy cows (n = 247) in late pregnancy and early lactation; and (2) the effect of different inclusion rates of concentrate feeding (150 vs. 250 g/kg of energy-corrected milk) during early lactation on 2 farms including 87 cows in total. In addition, we aimed to compare the oxidative status across the 2 farms using equal portions of concentrate feeding. For these purposes, we measured concentrations of the derivatives of reactive oxygen metabolites (dROM) and the ferric reducing ability (FRAP) in serum on d -50, -14, +8, +28, and +100 relative to calving. Furthermore, we calculated the oxidative status index (OSi) as dROM/FRAP × 100. Data were analyzed using a linear mixed model. Cows in the first and second lactations had greater dROM, FRAP, and OSi than cows in their third and greater lactations. Hence, supporting the antioxidative side of the balance might be of particular importance in the first and second lactations. Feeding different amounts of concentrates did not affect dROM, FRAP, or OSi under our experimental conditions, suggesting that the relatively small differences in energy intake were not affecting the oxidative status. Comparing farms, cows from one farm were notable for having greater dROM and lower FRAP, resulting in a greater OSi compared with cows on the other farm. Milk yield showed a time by farm interaction with 7% less milk on d 100 on the farm with the greater OSi. Moreover, cows on that farm had 1.4-fold greater β-hydroxybutyrate concentrations. Our results emphasize the value of assessing oxidative status with regard to both the pro- and antioxidative sides, and support the association between oxidative and metabolic status. Further investigations are needed to determine the applicability of OSi as a prognostic tool during early lactation and to determine which factors have the greatest influence on oxidative status.
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Affiliation(s)
- C Urh
- University of Bonn, Institute for Animal Science, Katzenburgweg 7-9, 53115 Bonn, Germany
| | - J Denißen
- Chamber of Agriculture North Rhine-Westphalia, Center of Agriculture Haus Riswick, Elsenpaß 5, 47533, Kleve, Germany
| | - E Gerster
- Landwirtschaftliches Zentrum Baden-Württemberg (LAZBW), Atzenberger Weg 99, 88326 Aulendorf, Germany
| | - N Kraus
- Center for Agricultural Learning, Markgrafenstraße 1, 91746 Weidenbach, Germany
| | - E Stamer
- TiDa Tier und Daten GmbH, Bosseer Str. 4c, 24259 Westensee/Brux, Germany
| | - B Heitkönig
- University of Bonn, Institute for Animal Science, Katzenburgweg 7-9, 53115 Bonn, Germany
| | - H Spiekers
- Bavarian State Research Center for Agriculture, Institute for Animal Nutrition and Feed Management, Prof.-Dürrwaechter-Platz 3, 85586 Poing, Germany
| | - H Sauerwein
- University of Bonn, Institute for Animal Science, Katzenburgweg 7-9, 53115 Bonn, Germany.
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Martins AD, Agarwal A. Oxidation reduction potential: a new biomarker of male infertility. Panminerva Med 2019; 61:108-117. [PMID: 30990283 DOI: 10.23736/s0031-0808.18.03529-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Oxidative stress is considered a major etiology for male infertility, more specifically idiopathic infertility. The causes of seminal oxidative stress can be intrinsic, such as varicocele or due to the presence of active leukocytes and immature germ cells. Reported external causes are smoking, alcohol or exposure to environmental toxins. Traditional methods to determine the seminal oxidative stress do not evaluate this status directly, but rather measure its components or intermediate products indirectly, instead. The major disadvantages of the traditional methods are related with time and cost as these methods are extremely time consuming and require expensive equipment, consumables and highly skilled laboratory personnel. To overcome these drawbacks, the MiOXSYS® system, a method which directly measures the oxidation-reduction potential (ORP), was developed. The evaluation of the ORP using MiOXSYS® is cost-effective, easy and quick. However, this newly introduced method to evaluate the oxidative status of semen still requires validation in different andrology laboratory settings across the world.
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Affiliation(s)
- Ana D Martins
- American Center for Reproductive Medicine, Department of Urology, Cleveland Clinic, Cleveland, OH, USA.,Department of Microscopy, Laboratory of Cell Biology, Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal.,Unit for Multidisciplinary Research in Biomedicine, Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Department of Urology, Cleveland Clinic, Cleveland, OH, USA -
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Novel noninvasive embryo selection algorithm combining time-lapse morphokinetics and oxidative status of the spent embryo culture medium. Fertil Steril 2019; 111:918-927.e3. [PMID: 30922642 DOI: 10.1016/j.fertnstert.2019.01.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 12/19/2018] [Accepted: 01/14/2019] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To develop a noninvasive embryo selection algorithm consisting of time-lapse morphokinetics and the oxidative status of the spent embryo culture medium determined using the Thermochemiluminescence (TCL) Analyzer. DESIGN Retrospective cohort. SETTING Not applicable. PATIENT(S) From women participating in the oocyte donation program, data from 505 samples of spent embryo culture media samples from 292 intracytoplasmic sperm injection cycles. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) Morphokinetic parameters assessed during incubation in the time-lapse system Embryoscope. Oxidative parameters (H1sm, H2sm, and H3sm) from the spent culture medium on day 5 of incubation measured using the TCL assay; and a combined assessment algorithm, including morphology, morphokinetics, and the embryo's culture medium oxidative status, developed as a tool for embryo selection, based on implantation success and confirmed ongoing pregnancy. RESULT(S) The levels of the oxidative parameters H1sm, H2sm, and H3sm on day 5 of incubation were statistically significantly higher in transferred and vitrified embryos compared with discarded embryos and in successfully implanted embryos compared with those that did not result in pregnancy. The assessment algorithm resulted in a hierarchical classification with six embryo quality categories (A to F), associated with implantation rates of between 76.5% and 29.2%. CONCLUSION(S) An assessment algorithm combining morphology, morphokinetics and the embryo's culture medium oxidative status may help to improve current embryo selection methods criteria and in vitro fertilization success.
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Yan S, Shabbir M, Yap T, Homa S, Ramsay J, McEleny K, Minhas S. Should the current guidelines for the treatment of varicoceles in infertile men be re-evaluated? HUM FERTIL 2019; 24:78-92. [PMID: 30905210 DOI: 10.1080/14647273.2019.1582807] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Male infertility is a major health burden worldwide. In the United Kingdom, the diagnostic and treatment pathway for male factor fertility is fragmented with wide variance in management and funding protocols. There is now a focus on potential overtreatment of couples with IVF and failure to treat male factors before considering assisted reproductive technology (ART). Despite this, contemporary Urological guidelines are not definitive in the indications for varicocele treatment, whilst the current National Institute for Health and Care Excellence (NICE) guidelines do not advocate surgical intervention. While controversy exists concerning the effects of varicocele treatment on natural pregnancy rates, there is growing evidence that varicocele treatment can have additional positive effects on fertility by reducing their impact on sperm DNA fragmentation and improving ART outcomes. Studies have demonstrated that azoospermic men may become oligospermic following varicocele intervention, obviating the need for surgical sperm retrieval. Sperm retrieval rates also increase following varicocele treatment in men with non-obstructive azoospermia. The contemporary literature demonstrates a clear clinical benefit for treating varicoceles in infertile men, which may be more cost-effective than proceeding to immediate ART. This review comprehensively evaluates the current indications for varicocele treatment, and it is proposed that these should be redefined in contemporary guidelines to reflect current advances in male fertility research.
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Affiliation(s)
- Sylvia Yan
- The Urology Centre, Guy's Hospital, London, UK
| | - Maj Shabbir
- The Urology Centre, Guy's Hospital, London, UK
| | - Tet Yap
- The Urology Centre, Guy's Hospital, London, UK
| | - Sheryl Homa
- Department of Biosciences, University of Kent, Canterbury, UK
| | - Jonathan Ramsay
- Department of Men's Health and Andrology, Imperial College Healthcare, London, UK
| | - Kevin McEleny
- Newcastle Fertility Centre, The Newcastle Upon Tyne Hospitals NHS Trust, Newcastle Upon Tyne, UK
| | - Suks Minhas
- Department of Men's Health and Andrology, Imperial College Healthcare, London, UK
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45
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Hezavehei M, Kouchesfahani HM, Shahverdi A, Sharafi M, Salekdeh GH, Eftekhari-Yazdi P. Preconditioning of sperm with sublethal nitrosative stress: a novel approach to improve frozen–thawed sperm function. Reprod Biomed Online 2019; 38:413-425. [DOI: 10.1016/j.rbmo.2018.11.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 11/22/2018] [Accepted: 11/22/2018] [Indexed: 11/26/2022]
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46
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Gilbert H, Ruesche J, Muller N, Billon Y, Begos V, Montagne L. Responses to weaning in two pig lines divergently selected for residual feed intake depending on diet. J Anim Sci 2019; 97:43-54. [PMID: 30371782 DOI: 10.1093/jas/sky416] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 10/26/2018] [Indexed: 01/19/2023] Open
Abstract
Weaning is a stress every piglet has to face. It is a main cause of antibiotic uses due to digestive disorders. In this study, response to weaning was analyzed in pigs from two lines divergently selected for residual feed intake (RFI) during growth. A total of 132 pigs from each line, housed per line and diet in conventional postweaning units of 12 castrated males and 12 females, were fed either a conventional control (two successive diets) or a complex (three successive diets) dietary sequence during the postweaning period (4 to 10 wk of age). BWs were recorded at weaning (days 0 and 28 of age), days 1, 2, 6, 12, 19, 26, and 42 (10 wk of age), and at 23 wk of age. Feces texture was examined before weaning (day -1), at day 1, 2, 6, 12, and 19. Feed intake was recorded at pen level from days 0 to 42 after weaning, and individually thereafter. Plasma was collected after blood samplings at days -1, 6, 19, and 42 on half of the piglets: all piglets of a given sex in each pen were sampled, to achieve a balanced number across factors. Pigs of the low RFI (LRFI) line were heavier at weaning, had greater glucose concentration, and lower levels of diarrhea at days 1 and 2 than pigs from the high RFI (HRFI) line (P < 0.01). At day 42, there was no BW difference between lines, and G:F ratio did not differ between lines (P = 0.40). The LRFI pigs had lower feed intake and growth rate from day 0 to day 19 (P < 0.005), and greater plasma concentration of non-esterified fatty acid (P < 0.001), indicating an increased mobilization of body lipids and proteins immediately after weaning compared with HRFI pigs. They also had greater levels of diarrhea at day 6 (22% for LRFI vs. 14% for HRFI, P = 0.002), but the concentration of plasma haptoglobin did not indicate acute inflammation. The complex diet sequence improved feed intake and growth, and reduced diarrhea, mainly in the LRFI line (P < 0.001). To conclude, pigs from the LRFI line were more negatively affected by weaning stress, but managed to recover afterwards. The complex diet sequence ameliorated some of the negative effects that weaning had on the LRFI pigs, but limited effects of nursery period feeding sequence on growth performance were observed during the growing-finishing period.
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Affiliation(s)
- Hélène Gilbert
- GenPhySE, INRA, ENVT, Université de Toulouse, Castanet-Tolosan, France
| | - Julien Ruesche
- GenPhySE, INRA, ENVT, Université de Toulouse, Castanet-Tolosan, France
| | - Nelly Muller
- PEGASE, Agrocampus Ouest, INRA, Saint-Gilles, France
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Gautam R, Singh KV, Nirala J, Murmu NN, Meena R, Rajamani P. Oxidative stress-mediated alterations on sperm parameters in male Wistar rats exposed to 3G mobile phone radiation. Andrologia 2018; 51:e13201. [DOI: 10.1111/and.13201] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 10/18/2018] [Accepted: 10/22/2018] [Indexed: 12/23/2022] Open
Affiliation(s)
- Rohit Gautam
- School of Environmental Sciences; Jawaharlal Nehru University; New Delhi - 110067 India
| | - Kumari Vandana Singh
- School of Environmental Sciences; Jawaharlal Nehru University; New Delhi - 110067 India
| | - Jayprakash Nirala
- School of Environmental Sciences; Jawaharlal Nehru University; New Delhi - 110067 India
| | - Nina Nancy Murmu
- School of Environmental Sciences; Jawaharlal Nehru University; New Delhi - 110067 India
| | - Ramovatar Meena
- School of Environmental Sciences; Jawaharlal Nehru University; New Delhi - 110067 India
| | - Paulraj Rajamani
- School of Environmental Sciences; Jawaharlal Nehru University; New Delhi - 110067 India
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48
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Nevin C, McNeil L, Ahmed N, Murgatroyd C, Brison D, Carroll M. Investigating the Glycating Effects of Glucose, Glyoxal and Methylglyoxal on Human Sperm. Sci Rep 2018; 8:9002. [PMID: 29899461 PMCID: PMC5998133 DOI: 10.1038/s41598-018-27108-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 05/23/2018] [Indexed: 02/06/2023] Open
Abstract
Glycation is the non-enzymatic reaction between reducing sugars, such as glucose, and proteins, lipids or nucleic acids, producing Advanced Glycation End (AGE) products. AGEs, produced during natural senescence as well as through lifestyle factors such as diet and smoking, are key pathogenic compounds in the initiation and progression of diabetes. Importantly, many of these factors and conditions also have influence on male fertility, affecting sperm count and semen quality, contributing to the decreasing trend in male fertility. This study investigated the impact of AGEs on sperm damage. In vitro sperm glycation assays were used to determine the levels and localization of the potent AGE compound, carboxymethyl-lysine (CML) in response to treatment with the glycating compounds glucose, glyoxal and methylglyoxal. Sperm function assays were then used to assess the effects of glycation on motility and hyaluronan binding, and levels of oxidative DNA damage were analyzed through measurement of the marker, 8-oxoguanine. Results showed that glyoxal, but not glucose or methylglyoxal, induced significant increases in CML levels on sperm and this correlated with an increase in 8-oxoguanine. Immunocytochemistry revealed that AGEs were located on all parts of the sperm cell and most prominently on the head region. Sperm motility and hyaluronidase activity were not adversely affected by glycation. Together, the observed detrimental effects of the increased levels of AGE on DNA integrity, without an effect on motility and hyaluronidase activity, suggest that sperm may retain some fertilizing capacity under these adverse conditions.
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Affiliation(s)
- Clare Nevin
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Lauren McNeil
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Nessar Ahmed
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Chris Murgatroyd
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Daniel Brison
- Department of Reproductive Medicine, Old St Mary's Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Sciences Centre, Oxford Road, Manchester, M13 9PT, UK
| | - Michael Carroll
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK.
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Olayaki LA, Alagbonsi IA, Abdulrahim AH, Adeyemi WJ, Bakare M, Omeiza N. Melatonin prevents and ameliorates lead-induced gonadotoxicity through antioxidative and hormonal mechanisms. Toxicol Ind Health 2018; 34:596-608. [PMID: 29759042 DOI: 10.1177/0748233718773508] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We investigated the effects of melatonin on sperm parameters and some biochemical markers in lead-exposed male Wistar rats. Lead (50 mg/kg bw/day) and/or melatonin (4 mg/kg or 10 mg/kg bw/day) was administered for 4 weeks, while 2-week lead exposure was preceded by or followed by 2-week treatment with both doses of melatonin in other groups. Lead reduced glutathione, catalase, adjusted testes weight, semen parameters but did not change malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase, and total antioxidant capacity. Though independent of prolactin, lead-induced gonadotoxicity was both centrally and peripherally mediated, as it reduced gonadotropin-releasing hormone and testosterone levels, while gonadotropin levels did not change significantly probably due to negative feedback by elevated estradiol. However, pre-, simultaneous, or posttreatment of lead-exposed rats with melatonin reduced MDA, SOD, and estradiol but dose-dependently increased other parameters. Conclusively, lead causes male gonadotoxicity through oxidative stress and endocrine mechanisms, and these could be dose-dependently prevented and ameliorated by melatonin.
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Affiliation(s)
- Luqman Aribidesi Olayaki
- 1 Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Kwara, Nigeria
| | - Isiaka Abdullateef Alagbonsi
- 2 Department of Physiology, School of Medicine and Pharmacy, University of Rwanda College of Medicine and Health Sciences, Huye, Butare, Republic of Rwanda
| | - Amin Halimat Abdulrahim
- 3 Department of Medical Biochemistry, College of Health Sciences, University of Ilorin, Ilorin, Kwara, Nigeria
| | - Wale Johnson Adeyemi
- 1 Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Kwara, Nigeria
| | - Muftiat Bakare
- 1 Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Kwara, Nigeria
| | - Noah Omeiza
- 1 Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Kwara, Nigeria
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Huang C, Cao X, Pang D, Li C, Luo Q, Zou Y, Feng B, Li L, Cheng A, Chen Z. Is male infertility associated with increased oxidative stress in seminal plasma? A-meta analysis. Oncotarget 2018; 9:24494-24513. [PMID: 29849956 PMCID: PMC5966266 DOI: 10.18632/oncotarget.25075] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 03/22/2018] [Indexed: 02/06/2023] Open
Abstract
Objectives We conducted a systematic review and meta-analysis of observational case-control studies to evaluate markers of oxidative stress in seminal plasma of patients with male infertility. Background Current evidence links oxidative stress to male infertility, in which multiple markers of oxidative stress have been widely detected, publishing inconsistent results with regard to the role of oxidative stress markers in the evaluation of male infertility. Therefore, a systematic review and meta-analysis on this issue is necessary. Results From the 1024 articles initially retrieved, 65 studies were included in our meta-analysis with 11 oxidative stress markers, containing 3819 male infertility patients and 2012 controls. The concentrations of malondialdehyde (SMD = 1.86, p < 0.00001), NO (SMD = 0.89, p = 0.001), carbonyl protein (SMD = 2.09, p < 0.00001) in seminal plasma were significantly higher in infertility patients. The concentrations of GSH (SMD = -1.68, p < 0.00001), vitamin C (SMD = -1.12, p < 0.00001), and vitamin E (SMD = -1.48, p = 0.003), as well as the activities of catalase (SMD = -1.91, p < 0.0001), glutathione peroxidase (SMD = -1.96, p = 0.0002) and glutathione-S-transferase (SMD = -1.62, p = 0.009) declined remarkably, resulting in decreased total antioxidant capacity (SMD = -1.77, p < 0.00001). Besides, the activity of superoxide dismutase showed no statistical difference between infertility patients and controls (SMD = -0.51, p = 0.07). Conclusions Our meta-analysis suggests that oxidative stress in seminal plasma resulting from decreased antioxidant defense are associated with male infertility. Methods Using PubMed, EMBASE, CNKI, VIP, and Wanfang database, we searched for literature reporting the detection of oxidative stress markers in the seminal plasma of male infertility published up to June 2017. Standardized mean differences (SMDs) and 95% confidence intervals (95%CI) were calculated for the finally analysis.
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Affiliation(s)
- Chao Huang
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiyue Cao
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Dejiang Pang
- Department of Biochemistry and Molecular Biology, West China School of Preclinical and Forensic Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Chao Li
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Qihui Luo
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuanfeng Zou
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Bin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Lixia Li
- Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Anchun Cheng
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhengli Chen
- Laboratory of Experimental Animal Disease Model, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China.,Key Laboratory of Animal Disease and Human Health of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
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