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Morabbi A, Karimian M. Trace and essential elements as vital components to improve the performance of the male reproductive system: Implications in cell signaling pathways. J Trace Elem Med Biol 2024; 83:127403. [PMID: 38340548 DOI: 10.1016/j.jtemb.2024.127403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 01/02/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024]
Abstract
Successful male fertilization requires the main processes such as normal spermatogenesis, sperm capacitation, hyperactivation, and acrosome reaction. The progress of these processes depends on some endogenous and exogenous factors. So, the optimal level of ions and essential and rare elements such as selenium, zinc, copper, iron, manganese, calcium, and so on in various types of cells of the reproductive system could affect conception and male fertility rates. The function of trace elements in the male reproductive system could be exerted through some cellular and molecular processes, such as the management of active oxygen species, involvement in the action of membrane channels, regulation of enzyme activity, regulation of gene expression and hormone levels, and modulation of signaling cascades. In this review, we aim to summarize the available evidence on the role of trace elements in improving male reproductive performance. Also, special attention is paid to the cellular aspects and the involved molecular signaling cascades.
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Affiliation(s)
- Ali Morabbi
- Department of Molecular and Cell Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | - Mohammad Karimian
- Department of Molecular and Cell Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran.
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2
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Skibniewska EM, Skibniewski M. Selenium Content in the Gonads of Healthy Cats ( Felis catus) and Cats with Impaired Homeostasis from the Warsaw Area (Poland). Animals (Basel) 2024; 14:440. [PMID: 38338083 PMCID: PMC10854887 DOI: 10.3390/ani14030440] [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: 11/22/2023] [Revised: 01/17/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024] Open
Abstract
The aim of the present study was to evaluate selenium content in the gonads of healthy cats and those with impaired homeostasis with the use of fluorescence spectroscopy. Higher concentrations of selenium were found in the gonads of the male domestic cats studied. The average content of this element in the testes of healthy males was: 0.59 mg·kg-1 while 0.47 mg·kg-1 wet weight was recorded in the ovaries of females. In the case of individuals with impaired homeostasis, higher values of selenium were found in the ovaries of obese females (0.40 mg·kg-1), while in the case of females with diagnosed malignancy of the mammary gland, the average values were lower and amounted to 0.31 mg·kg-1 wet weight of tissue. On the basis of statistical analysis, significant differences were found according to sex, age, and disturbed homeostasis of the individuals studied. An association was found between low Se in the gonads and obesity, as well as the presence of mammary gland neoplastic lesions. In addition, Se content was found to decrease with age in females, which can reduce resistance to oxidative stress.
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Affiliation(s)
- Ewa M. Skibniewska
- Department of Biology of Animal Environment, Institute of Animal Science, Warsaw University of Life Sciences, Ciszewskiego Street 8, 02-786 Warsaw, Poland
| | - Michał Skibniewski
- Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska Street 159, 02-776 Warsaw, Poland;
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3
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Dogaru CB, Duță C, Muscurel C, Stoian I. "Alphabet" Selenoproteins: Implications in Pathology. Int J Mol Sci 2023; 24:15344. [PMID: 37895024 PMCID: PMC10607139 DOI: 10.3390/ijms242015344] [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: 09/15/2023] [Revised: 10/08/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Selenoproteins are a group of proteins containing selenium in the form of selenocysteine (Sec, U) as the 21st amino acid coded in the genetic code. Their synthesis depends on dietary selenium uptake and a common set of cofactors. Selenoproteins accomplish diverse roles in the body and cell processes by acting, for example, as antioxidants, modulators of the immune function, and detoxification agents for heavy metals, other xenobiotics, and key compounds in thyroid hormone metabolism. Although the functions of all this protein family are still unknown, several disorders in their structure, activity, or expression have been described by researchers. They concluded that selenium or cofactors deficiency, on the one hand, or the polymorphism in selenoproteins genes and synthesis, on the other hand, are involved in a large variety of pathological conditions, including type 2 diabetes, cardiovascular, muscular, oncological, hepatic, endocrine, immuno-inflammatory, and neurodegenerative diseases. This review focuses on the specific roles of selenoproteins named after letters of the alphabet in medicine, which are less known than the rest, regarding their implications in the pathological processes of several prevalent diseases and disease prevention.
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Affiliation(s)
| | | | - Corina Muscurel
- Department of Biochemistry, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania (I.S.)
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4
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Kaltsas A. Oxidative Stress and Male Infertility: The Protective Role of Antioxidants. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1769. [PMID: 37893487 PMCID: PMC10608597 DOI: 10.3390/medicina59101769] [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: 08/23/2023] [Revised: 09/24/2023] [Accepted: 10/02/2023] [Indexed: 10/29/2023]
Abstract
Oxidative stress is a significant factor in male infertility, compromising sperm function and overall reproductive health. As male infertility garners increasing attention, effective therapeutic interventions become paramount. This review investigates the therapeutic role of antioxidants in addressing male infertility. A detailed examination was conducted on antioxidants such as vitamin C, E, B12, D, coenzyme Q10, zinc, folic acid, selenium, l-carnitine, l-arginine, inositols, and alpha-lipoic acid. This analysis examines the methodologies, outcomes, and constraints of current clinical studies. Antioxidants show notable potential in counteracting the negative effects of oxidative stress on sperm. Based on the evidence, these antioxidants, individually or synergistically, can enhance sperm health and reproductive outcomes. However, certain limitations in the studies call for careful interpretation. Antioxidants are integral in tackling male infertility attributed to oxidative stress. The current findings underscore their therapeutic value, yet there's a pressing need for deeper, comprehensive research. Future studies should focus on refining dosage guidelines, identifying potential side effects, and discerning the most efficacious antioxidant combinations for male infertility solutions.
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Affiliation(s)
- Aris Kaltsas
- Department of Urology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece
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5
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Abedin SN, Baruah A, Baruah KK, Kadirvel G, Katiyar R, Khargharia G, Bora A, Dutta DJ, Sinha S, Tamuly S, Phookan A, Deori S. In Vitro and In Vivo Studies on the Efficacy of Zinc-Oxide and Selenium Nanoparticle in Cryopreserved Goat (Capra hircus) Spermatozoa. Biol Trace Elem Res 2023; 201:4726-4745. [PMID: 36598740 DOI: 10.1007/s12011-022-03551-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 12/29/2022] [Indexed: 01/05/2023]
Abstract
Different nanoparticles (NPs) are currently being investigated for their potential role as cryoprotectant during semen cryopreservation in several mammalian species. It may be possible to improve semen quality following cryopreservation by supplementation of NPs in the freezing extenders. The present study was carried out in semen collected from four (4) Assam Hill Goat bucks (10 ejaculates per buck) to investigate the effect of supplementing zinc oxide (ZnO) and selenium (Se) NPs in Tris-citric acid-fructose yolk (TCFY) extender on in vitro sperm quality and in vivo fertility rate after freeze-thawing. The size morphology and zeta potential of ZnO and Se NPs were evaluated prior to its incorporation in the freezing extender. Qualified semen samples (> 70% progressive motility) were divided into five (5) aliquots and then diluted in TCFY extender containing ZnO and Se NP supplementation at different concentrations (T0, control; T1, 0.1 mg/mL ZnO NPs; T2, 0.5 mg/mL ZnO NPs; T3, 0.5 µg/mL Se NPs; and T4, 1 µg/mL Se NPs). Diluted semen was packed in 0.25 mL straws and then stored in liquid nitrogen. After thawing, post-thaw in vitro sperm attributes were evaluated. Finally, the effect of NPs on in vivo fertility rate was checked in heat-synched does (n = 70) by artificial insemination (AI) using straws that showed superior results during the in vitro study. Results showed that ZnO and Se NPs were poly-crystalline in nature with particle size below 100 nm (nm). The evaluated post-thaw sperm in vitro attributes were significantly (p < 0.001) higher in T1 in comparison to T0. The antioxidant enzyme activities were significantly (p < 0.001) higher in T1. Lipid peroxidation (LPO) profile was significantly (p < 0.001) lower in T1. Sperm motility and mitochondrial membrane potential (MMP) had a highly significant (r = 0.580, p < 0.05) association in T1. No significant (p > 0.05) differences in pregnancy rates were recorded after AI in the different treatments. In conclusion, extender supplemented with 0.1 mg/mL ZnO NPs improved post-thaw semen quality of goat spermatozoa consequently by increasing activities of endogenous antioxidant enzymes thereby lowering LPO levels. However, improved in vitro outcomes might not correspond to improved field fertility outcomes.
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Affiliation(s)
- Sayed Nabil Abedin
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Anubha Baruah
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Kishore Kumar Baruah
- Semen Biology Laboratory, Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Research Complex for North Eastern Hill Region, Ri-Bhoi, Meghalaya, India
| | - Govindasamy Kadirvel
- Semen Biology Laboratory, Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Research Complex for North Eastern Hill Region, Ri-Bhoi, Meghalaya, India
| | - Rahul Katiyar
- Semen Biology Laboratory, Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Research Complex for North Eastern Hill Region, Ri-Bhoi, Meghalaya, India
| | - Gautam Khargharia
- Semen Biology Laboratory, Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Research Complex for North Eastern Hill Region, Ri-Bhoi, Meghalaya, India
| | - Arundhati Bora
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Devo Jyoti Dutta
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Sudip Sinha
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Shantanu Tamuly
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Arundhati Phookan
- College of Veterinary Science, Assam Agricultural University, Guwahati, India
| | - Sourabh Deori
- Semen Biology Laboratory, Division of Animal and Fisheries Science, Indian Council of Agricultural Research (ICAR) Research Complex for North Eastern Hill Region, Ri-Bhoi, Meghalaya, India.
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6
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Xiao X, Deng H, Lin X, Ali ASM, Viscardi A, Guo Z, Qiao L, He Y, Han J. Selenium nanoparticles: Properties, preparation methods, and therapeutic applications. Chem Biol Interact 2023; 378:110483. [PMID: 37044285 DOI: 10.1016/j.cbi.2023.110483] [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: 02/11/2023] [Revised: 03/26/2023] [Accepted: 04/08/2023] [Indexed: 04/14/2023]
Abstract
Selenium nanoparticles (SeNPs) are a unique type of nano-sized elemental selenium that have recently found wide application in biomedicine. It has been shown that the properties of SeNPs can be varied by different fabrication methods. Moreover, SeNPs have various therapeutic effects in medical applications due to their excellent biological and adaptable physical properties. At the same time, SeNPs can be used as a carrier medium for various therapeutic substances, which can bring out the full curative effects of the drugs. In this review, the differences in bioactivity properties of SeNPs prepared from different substances were reviewed; the therapeutic effects and mechanisms of SeNPs in cancer, inflammation, neurodegenerative diseases, diabetes, reproductive diseases, cardiovascular diseases, and other diseases were discussed; and the importance of the development of SeNPs was further emphasized.
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Affiliation(s)
- Xiang Xiao
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Huan Deng
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Xue Lin
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Ahmed Sameir Mohamed Ali
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, PR China.
| | - Angelo Viscardi
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Ziwei Guo
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Lichun Qiao
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Yujie He
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
| | - Jing Han
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China.
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7
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Dimitriadis F, Borgmann H, Struck JP, Salem J, Kuru TH. Antioxidant Supplementation on Male Fertility-A Systematic Review. Antioxidants (Basel) 2023; 12:antiox12040836. [PMID: 37107211 PMCID: PMC10135082 DOI: 10.3390/antiox12040836] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/24/2023] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
Our aim was to review the current literature regarding the effect of antioxidant supplementation (AS) on male fertility parameters, as AS is commonly used to treat male infertility due to the availability and affordability of antioxidants in many parts of the world. MATERIALS AND METHODS PubMed, Medline, and Cochrane electronic bibliographies were searched using the modified Preferred Reporting Items for Systemic Reviews and Meta-Analyses (PRISMA) guidelines to evaluate studies on the benefit of antioxidant therapy on infertile men. Results were analyzed regarding the following aspects: (a) ingredient and dose; (b) potential mechanism of action and rationale for use; and (c) effect on various reported outcomes. RESULTS Thus, 29 studies found a substantial positive effect of AS on outcomes of assisted reproductive therapy (ART), WHO semen parameters, and live-birth rate. Carnitines, Vitamin E and C, N-acetyl cysteine, coenzyme Q10, selenium, zinc, folic acid, and lycopene were beneficial ingredients. Nevertheless, some studies did not show a substantial change in one or more factors. CONCLUSION AS seems to have a positive effect on male fertility. Environmental factors may play an increasing role in fertility. Further studies are needed to determine the optimal AS combination and the influence of environmental factors.
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Affiliation(s)
- Fotios Dimitriadis
- Urology Department, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Hendrik Borgmann
- Department of Urology, Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, 14476 Potsdam, Germany
| | - Julian P Struck
- Department of Urology, Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, 14476 Potsdam, Germany
| | - Johannes Salem
- Department of Urology, Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, 14476 Potsdam, Germany
| | - Timur H Kuru
- Department of Urology, Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, 14476 Potsdam, Germany
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8
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Hussain T, Kandeel M, Metwally E, Murtaza G, Kalhoro DH, Yin Y, Tan B, Chughtai MI, Yaseen A, Afzal A, Kalhoro MS. Unraveling the harmful effect of oxidative stress on male fertility: A mechanistic insight. Front Endocrinol (Lausanne) 2023; 14:1070692. [PMID: 36860366 PMCID: PMC9968806 DOI: 10.3389/fendo.2023.1070692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 01/02/2023] [Indexed: 02/16/2023] Open
Abstract
Male infertility is a widely debated issue that affects males globally. There are several mechanisms involved. Oxidative stress is accepted to be the main contributing factor, with sperm quality and quantity affected by the overproduction of free radicals. Excess reactive oxygen species (ROS) cannot be controlled by the antioxidant system and, thus, potentially impact male fertility and hamper sperm quality parameters. Mitochondria are the driving force of sperm motility; irregularities in their function may lead to apoptosis, alterations to signaling pathway function, and, ultimately, compromised fertility. Moreover, it has been observed that the prevalence of inflammation may arrest sperm function and the production of cytokines triggered by the overproduction of ROS. Further, oxidative stress interacts with seminal plasma proteomes that influence male fertility. Enhanced ROS production disturbs the cellular constituents, particularly DNA, and sperms are unable to impregnate the ovum. Here, we review the latest information to better understand the relationship between oxidative stress and male infertility, the role of mitochondria, the cellular response, inflammation and fertility, and the interaction of seminal plasma proteomes with oxidative stress, as well as highlight the influence of oxidative stress on hormones; collectively, all of these factors are assumed to be important for the regulation of male infertility. This article may help improve our understanding of male infertility and the strategies to prevent it.
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Affiliation(s)
- Tarique Hussain
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China
- Animal Sciences Division, Nuclear Institute for Agriculture and Biology College (NIAB-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
- *Correspondence: Tarique Hussain, ; Bie Tan,
| | - Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Hofuf, Al-Ahsa, Saudi Arabia
- Department of Pharmacology, Faculty of Veterinary Medicine, Kafrelshikh University, Kafrelshikh, Egypt
| | - Elsayed Metwally
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ghulam Murtaza
- Department of Animal Reproduction, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tandojam, Sindh, Pakistan
| | - Dildar Hussain Kalhoro
- Department of Veterinary Microbiology, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, Tandojam, Sindh, Pakistan
| | - Yulong Yin
- Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Bie Tan
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan, China
- *Correspondence: Tarique Hussain, ; Bie Tan,
| | - Muhammad Ismail Chughtai
- Animal Sciences Division, Nuclear Institute for Agriculture and Biology College (NIAB-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
| | - Anjaleena Yaseen
- Animal Sciences Division, Nuclear Institute for Agriculture and Biology College (NIAB-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
| | - Ali Afzal
- Department of Zoology, Minhaj University, Lahore, Pakistan
| | - Muhammad Saleem Kalhoro
- Food Engineering and Bioprocess Technology, Asian Institute of Technology, Bangkok, Thailand
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9
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Soria-Tiedemann M, Michel G, Urban I, Aldrovandi M, O’Donnell VB, Stehling S, Kuhn H, Borchert A. Unbalanced Expression of Glutathione Peroxidase 4 and Arachidonate 15-Lipoxygenase Affects Acrosome Reaction and In Vitro Fertilization. Int J Mol Sci 2022; 23:ijms23179907. [PMID: 36077303 PMCID: PMC9456195 DOI: 10.3390/ijms23179907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/19/2022] [Accepted: 08/27/2022] [Indexed: 11/25/2022] Open
Abstract
Glutathione peroxidase 4 (Gpx4) and arachidonic acid 15 lipoxygenase (Alox15) are counterplayers in oxidative lipid metabolism and both enzymes have been implicated in spermatogenesis. However, the roles of the two proteins in acrosomal exocytosis have not been explored in detail. Here we characterized Gpx4 distribution in mouse sperm and detected the enzyme not only in the midpiece of the resting sperm but also at the anterior region of the head, where the acrosome is localized. During sperm capacitation, Gpx4 translocated to the post-acrosomal compartment. Sperm from Gpx4+/Sec46Ala mice heterozygously expressing a catalytically silent enzyme displayed an increased expression of phosphotyrosyl proteins, impaired acrosomal exocytosis after in vitro capacitation and were not suitable for in vitro fertilization. Alox15-deficient sperm showed normal acrosome reactions but when crossed into a Gpx4-deficient background spontaneous acrosomal exocytosis was observed during capacitation and these cells were even less suitable for in vitro fertilization. Taken together, our data indicate that heterozygous expression of a catalytically silent Gpx4 variant impairs acrosomal exocytosis and in vitro fertilization. Alox15 deficiency hardly impacted the acrosome reaction but when crossed into the Gpx4-deficient background spontaneous acrosomal exocytosis was induced. The detailed molecular mechanisms for the observed effects may be related to the compromised redox homeostasis.
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Affiliation(s)
- Mariana Soria-Tiedemann
- Department of Biochemistry, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, D-10117 Berlin, Germany
| | - Geert Michel
- Department of Transgenic Technologies, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Lindenberger Weg 80, D-13125 Berlin, Germany
| | - Iris Urban
- Department of Transgenic Technologies, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Lindenberger Weg 80, D-13125 Berlin, Germany
| | - Maceler Aldrovandi
- Systems Immunity Research Institute, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
- Helmholtz Zentrum München, Institute of Metabolism and Cell Death, Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
| | - Valerie B. O’Donnell
- Systems Immunity Research Institute, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK
| | - Sabine Stehling
- Department of Biochemistry, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, D-10117 Berlin, Germany
| | - Hartmut Kuhn
- Department of Biochemistry, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, D-10117 Berlin, Germany
| | - Astrid Borchert
- Department of Biochemistry, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, D-10117 Berlin, Germany
- Correspondence: ; Tel.: +49-30-450-528-034
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10
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The Role and Mechanism of Essential Selenoproteins for Homeostasis. Antioxidants (Basel) 2022; 11:antiox11050973. [PMID: 35624837 PMCID: PMC9138076 DOI: 10.3390/antiox11050973] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/05/2022] [Accepted: 05/10/2022] [Indexed: 12/25/2022] Open
Abstract
Selenium (Se) is one of the essential trace elements that plays a biological role in the body, mainly in the form of selenoproteins. Selenoproteins can be involved in the regulation of oxidative stress, endoplasmic reticulum (ER) stress, antioxidant defense, immune and inflammatory responses and other biological processes, including antioxidant, anti-inflammation, anti-apoptosis, the regulation of immune response and other functions. Over-loading or lack of Se causes certain damage to the body. Se deficiency can reduce the expression and activity of selenoproteins, disrupt the normal physiological function of cells and affect the body in antioxidant, immunity, toxin antagonism, signaling pathways and other aspects, thus causing different degrees of damage to the body. Se intake is mainly in the form of dietary supplements. Due to the important role of Se, people pay increasingly more attention to Se-enriched foods, which also lays a foundation for better research on the mechanism of selenoproteins in the future. In this paper, the synthesis and mechanism of selenoproteins, as well as the role and mechanism of selenoproteins in the regulation of diseases, are reviewed. Meanwhile, the future development of Se-enriched products is prospected, which is of great significance to further understand the role of Se.
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11
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Demircan K, Chillon TS, Sun Q, Heller RA, Klingenberg GJ, Hirschbil-Bremer IM, Seemann P, Diegmann J, Bachmann M, Moghaddam A, Schomburg L. Humoral immune response to COVID-19 mRNA vaccination in relation to selenium status. Redox Biol 2022; 50:102242. [PMID: 35139480 PMCID: PMC8810594 DOI: 10.1016/j.redox.2022.102242] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 02/07/2023] Open
Abstract
The essential trace element selenium (Se) is of central importance for human health and particularly for a regular functioning of the immune system. In the context of the current pandemic, Se deficiency in patients with COVID-19 correlated with disease severity and mortality risk. Selenium has been reported to be associated with the immune response following vaccination, but it is unknown whether this also applies to SARS-CoV-2 vaccines. In this observational study, adult health care workers (n = 126) who received two consecutive anti-SARS-CoV-2 vaccinations by BNT162b2 were followed for up to 24 weeks, with blood samples collected at the first and second dose and at three and 21 weeks after the second dose. Serum SARS-CoV-2 IgG titres, neutralising antibody potency, total Se and selenoprotein P concentrations, and glutathione peroxidase 3 activity were quantified. All three biomarkers of Se status were significantly correlated at all the time points, and participants who reported supplemental Se intake displayed higher Se concentrations. SARS-CoV-2 IgG titres and neutralising potency were highest three weeks after the second dose and decreased towards the last sampling point. The humoral immune response was not related to any of the three Se status biomarkers. Supplemental Se intake had no effect at any time point on the vaccination response as measured by serum SARS-CoV-2 IgG levels or neutralising potency. Overall, no association was found between Se status or supplemental Se intake and humoral immune response to COVID-19 mRNA vaccination. Humoral SARS-CoV-2 vaccination response in healthy adults was unrelated to baseline Se status or supplemental Se intake. Vaccine-induced neutralising activity correlated with SARS-CoV-2 IgG concentration, but not with Se status. Rise and decline of the vaccination-induced SARS-CoV-2 IgG was Se status-independent during 24 weeks after first dose.
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12
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Barchielli G, Capperucci A, Tanini D. The Role of Selenium in Pathologies: An Updated Review. Antioxidants (Basel) 2022; 11:antiox11020251. [PMID: 35204134 PMCID: PMC8868242 DOI: 10.3390/antiox11020251] [Citation(s) in RCA: 108] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/09/2022] [Accepted: 01/25/2022] [Indexed: 12/10/2022] Open
Abstract
Selenium is an essential microelement required for a number of biological functions. Selenium—and more specifically the amino acid selenocysteine—is present in at least 25 human selenoproteins involved in a wide variety of essential biological functions, ranging from the regulation of reactive oxygen species (ROS) concentration to the biosynthesis of hormones. These processes also play a central role in preventing and modulating the clinical outcome of several diseases, including cancer, diabetes, Alzheimer’s disease, mental disorders, cardiovascular disorders, fertility impairments, inflammation, and infections (including SARS-CoV-2). Over the past years, a number of studies focusing on the relationship between selenium and such pathologies have been reported. Generally, an adequate selenium nutritional state—and in some cases selenium supplementation—have been related to improved prognostic outcome and reduced risk of developing several diseases. On the other hand, supra-nutritional levels might have adverse effects. The results of recent studies focusing on these topics are summarized and discussed in this review, with particular emphasis on advances achieved in the last decade.
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Sperm Redox System Equilibrium: Implications for Fertilization and Male Fertility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1358:345-367. [DOI: 10.1007/978-3-030-89340-8_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Alvarez-Rodriguez M, Martinez CA, Roca J, Rodriguez-Martinez H. mRNA expression of oxidative-reductive proteins in boars with documented different fertility can identify relevant prognostic biomarkers. Res Vet Sci 2021; 141:195-202. [PMID: 34763256 DOI: 10.1016/j.rvsc.2021.10.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/27/2021] [Accepted: 10/28/2021] [Indexed: 11/20/2022]
Abstract
Oxidative stress unbalance is a major factor causing impairment of sperm function and, ultimately, sperm death. In this study, we identified transcriptomic and proteomic markers for oxidative-related protectors from the generation of reactive oxygen species (ROS) in spermatozoa from breeding boars with documented high- or low-fertility. Particular attention was paid to glutathione peroxidases, and to transcripts related to DNA stabilization and compaction, as protamine and transition proteins. mRNA cargo analysis was performed using porcine-specific micro-arrays (GeneChip® miRNA 4.0 and GeneChip® Porcine Gene 1.0 ST) and qPCR validation. Differences between fertility-classed boars were ample among biomarkers; some upregulated only at protein level (catalase (CAT), superoxide dismutase 1 (SOD1) and glutathione proteins), or only at the mRNA level (ATOX1, Antioxidant Protein 1). In addition, protamines 2 and 3, essential for sperm DNA condensation and also transition proteins 1 and 2 (TNP1 and TNP2), required during histone-to-protamine replacement, were overexpressed in spermatozoa from high-fertile boars. This up-regulation seems concerted to reduce DNA accessibility to ROS attack, protecting the DNA. The upregulated intracellular phospholipid hydroperoxide glutathione peroxidase (GPx4), in high-fertile boars at mRNA level, can be considered a most relevant biomarker for fertility disclosure during sperm evaluation.
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Affiliation(s)
- Manuel Alvarez-Rodriguez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden; Department of Animal Health and Anatomy, Universitat Autònoma de Barcelona, 08193, Bellaterra, (Cerdanyola del Vallès), Barcelona, Spain.
| | - Cristina A Martinez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden
| | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, International Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - Heriberto Rodriguez-Martinez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden
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Szymański M, Wandtke T, Wasilow K, Andryszczyk M, Janicki R, Domaracki P. Comparison of 3- and 6-Month Outcomes of Combined Oral L-Carnitine Fumarate and Acetyl-L-Carnitine Therapy, Included in an Antioxidant Formulation, in Patients with Idiopathic Infertility. Am J Mens Health 2021; 15:15579883211036790. [PMID: 34515581 PMCID: PMC8442503 DOI: 10.1177/15579883211036790] [Citation(s) in RCA: 3] [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: 01/26/2021] [Revised: 06/04/2021] [Accepted: 07/12/2021] [Indexed: 11/16/2022] Open
Abstract
The male factor is responsible for infertility in about 35-40% of all cases. Idiopathic oligo- and/or astheno- and/or therato-zoospermia is one of the most common male fertility disorders and remains a significant therapeutic challenge. The primary cause of idiopathic male infertility remains unknown but seems to be associated with oxidative stress. Objective: The use of antioxidative formulation to improve qualitative and quantitative deficiencies in the male gametes.In total, 78 subjects were treated with a combination of 1,725 mg L-carnitine fumarate, 500 mg acetyl-L-carnitine, 90 mg vitamin C, 20 mg coenzyme Q10, 10 mg zinc, 200 µg folic acid, 50 µg selenium, and 1.5 µg vitamin B12 (Proxeed® Plus, Sigma-Tau, Italy) for 6 months; the preparation was taken twice daily from the time idiopathic infertility was diagnosed. Basic seminal parameters were evaluated by a European Society of Human Reproduction and Embryology (ESHRE) -certified embryologist following the fifth edition of the World Health Organisation (2010) guidelines at three time points: at baseline and 3 and 6 months of treatment.Improvements in semen parameters (differing in terms of dynamics) were evident at 3 months and gradually improved over the 6 months of treatment. Each parameter: sperm concentration, total sperm count, sperm total and progressive motility improved significantly after treatment except for the percentage of sperm of abnormal morphology and ejaculate volume.Proxeed Plus was effective for patients with idiopathic infertility; however, a long treatment period is needed to achieve optimal results.
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Affiliation(s)
- Marek Szymański
- Department of Women’s Health,
Sexology and Reproductive Medicine, Collegium Medicum in Bydgoszcz, Nicolaus
Copernicus University, Toruń, Bydgoszcz, Poland
- NZOZ Medical Center, Clinic of
Infertility Treatment “Genesis”, Bydgoszcz, Poland
- Gynecology and Oncological
Gynecology Ward, 10th Military Research Hospital and Polyclinic, IPHC,
Bydgoszcz, Poland
| | - Tomasz Wandtke
- NZOZ Medical Center, Clinic of
Infertility Treatment “Genesis”, Bydgoszcz, Poland
- Department of Gene Therapy,
Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń,
Bydgoszcz, Poland
| | - Karolina Wasilow
- NZOZ Medical Center, Clinic of
Infertility Treatment “Genesis”, Bydgoszcz, Poland
| | - Marek Andryszczyk
- NZOZ Medical Center, Clinic of
Infertility Treatment “Genesis”, Bydgoszcz, Poland
- Faculty of Mechanical
Engineering, University of Sciences and Technology, Bydgoszcz, Bydgoszcz,
Poland
| | - Radosław Janicki
- NZOZ Medical Center, Clinic of
Infertility Treatment “Genesis”, Bydgoszcz, Poland
- Gynecology and Oncological
Gynecology Ward, 10th Military Research Hospital and Polyclinic, IPHC,
Bydgoszcz, Poland
| | - Piotr Domaracki
- Gynecology and Oncological
Gynecology Ward, 10th Military Research Hospital and Polyclinic, IPHC,
Bydgoszcz, Poland
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Ahmadi K, Roshan-Milani S, Asgharzadeh F, Pourjabali M, Fard AA. In Vitro and In Vivo Pretreatment with Selenium Mitigates Tetrahydrocannabinol-Induced Testicular Cell Apoptosis: the Role of AKT and p53 Pathways. Biol Trace Elem Res 2021; 199:2278-2287. [PMID: 32815089 DOI: 10.1007/s12011-020-02322-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 08/03/2020] [Indexed: 01/27/2023]
Abstract
Exocannabinoids such as tetrahydrocannabinol (THC) may alter the physiological function of endocannabinoids in male reproduction and thus affect male fertility. This study aimed to investigate the apoptotic effects of THC via mechanisms related to p53 and AKT signaling pathways on Sertoli cells and seminiferous germinal cells, as well as the possible protective role of selenium pretreatment in both in vitro and in vivo models. The Mus musculus Sertoli cell line, TM4, was used for in vitro experiments. The TM4 cells were cultured and exposed to selenium (2 μM, 48 h) and THC (470 μM, 24 h). The MTT test was performed to evaluate cell viability. Fifteen male Wistar rats (220 ± 20 g) were used for in vivo experiments and divided into three groups: (1) control, (2) tetrahydrocannabinol (THC, 5 mg/kg, dissolved in DMSO 5%, i.p., for 21 consecutive days), and (3) THC + selenium (selenium, 0.5 mg/kg per day, i.p.). At the end of the experiments, Sertoli cells and testis tissue samples were collected for biochemical (AKT, P53), cell apoptosis, and histological analyses. The results of the in vitro study revealed that THC significantly decreases the cell viability (p < 0.001) and expression of the p-AKt protein (p < 0.05) and increases Sertoli cells' apoptosis (p < 0.001) and p53 protein expression (p < 0.001). The in vivo effects of THC were in line with the in vitro results. Pretreatment with selenium (as sodium selenite) significantly decreased the THC-induced Sertoli cell and testicular tissue damages in the rats. Pathological changes were significantly alleviated in the selenium-pretreated rats. Collectively, these data suggest that pretreatment with selenium is able to protect against THC-induced testicular cell damage. The attenuating effect of selenium may be due to its anti-apoptotic activity through the p53 and AKT modulation.
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Affiliation(s)
- Kimia Ahmadi
- Faculty of Medicine, Department of Physiology, Urmia University of Medical Sciences, Urmia, Iran
| | - Shiva Roshan-Milani
- Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Fatemeh Asgharzadeh
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Masoumeh Pourjabali
- Faculty of Medicine, Department of Pathology, Urmia University of Medical Sciences, Urmia, Iran
| | - Amin Abdollahzade Fard
- Nephrology and Kidney Transplant Research Center & Department of Physiology, Urmia University of Medical Sciences, Urmia, Iran.
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Asadpour R, Aliyoldashi MH, Saberivand A, Hamidian G, Hejazi M. Ameliorative effect of selenium nanoparticles on the structure and function of testis and in vitro embryo development in Aflatoxin B1-exposed male mice. Andrologia 2020; 52:e13824. [PMID: 32951201 DOI: 10.1111/and.13824] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/27/2020] [Accepted: 08/07/2020] [Indexed: 12/11/2022] Open
Abstract
The purpose of the research was to investigate the therapeutic ability of selenium nanoparticles (Se-NPs) on the aflatoxin B1 (AFB1) toxicity induced in the male reproductive system. For this experiment, the mature male mice were put into four groups. Control (0.5 ml PBS, 60 days; IP, n = 7), Se-NPs (0.5 µg kg-1 day-1 for 60 days; IP), AFB1 (4.5 mg kg-1 day-1 for 60 days; IP) and AFB1 + Se-NPs (4.5 mg kg-1 day-1 + 0.5 µg kg-1 day-1 for 60 days; IP). After treatment, the histological structure of testis, serum testosterone level and sperm parameters, including concentration, motility, viability, morphology and DNA fragmentation, were examined. The results demonstrated that the AFB1 destroyed the testicular tissue structure and decreased the sperm concentration, motility, viability and normal morphology significantly. AFB1 also could significantly increase sperm DNA fragmentation and reduce in vitro fertilisation and embryo development compared to the control group (p < .001). Our data show that Se-NPs could inhibit AFB1-induced damage to the testis and improve sperm parameters as well as in vitro fertilisation and embryo production in AFB1 exposed male mice. This study revealed that the administration of Se-NPs could attenuate the testicular injury of AFB1 and improve the male reproductive system function in AFB1 exposed mice.
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Affiliation(s)
- Reza Asadpour
- Department of Clinical Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Mohammad H Aliyoldashi
- Department of Clinical Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Adel Saberivand
- Department of Clinical Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Gholamreza Hamidian
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Marzieh Hejazi
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
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Cao C, Zhang H, Wang K, Li X. Selenium-Rich Yeast Mitigates Aluminum-Mediated Testicular Toxicity by Blocking Oxidative Stress, Inhibiting NO Production, and Disturbing Ionic Homeostasis. Biol Trace Elem Res 2020; 195:170-177. [PMID: 31327124 DOI: 10.1007/s12011-019-01820-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 07/05/2019] [Indexed: 12/20/2022]
Abstract
Aluminum (Al) poisoning has been linked to the development of several reproductive system dysfunctions. Dietary supplementation with selenium-rich yeast (SeY) has been shown to prevent a variety of pathologic conditions. In the present study, the potential protect role of SeY on Al-induced testicular toxicity was evaluated, and the possible underlying mechanisms were discussed. Mice were treated with SeY (0.1 mg/kg) and/or Al (10 mg/kg) by oral gavage for 4 weeks. Histopathologic changes were observed in the testes of Al-treated mice. Oxidative stress, ionic disturbances, and the generation of NO systems are believed to have resulted in the observed pathology. Interestingly, SeY supplementation significantly inhibited the Al-induced histopathological and molecular changes and restored these indicators to levels observed in the control animals. These results suggest that SeY exerts a testis-protective effect against Al-induced toxicity through the reduction of oxidative stress, NO production, and the maintenance of ionic homeostasis.
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Affiliation(s)
- Changyu Cao
- College of Life Science, Foshan University, Foshan, 528231, Guangdong, People's Republic of China
| | - Haoji Zhang
- College of Life Science, Foshan University, Foshan, 528231, Guangdong, People's Republic of China
| | - Kai Wang
- College of Life Science, Foshan University, Foshan, 528231, Guangdong, People's Republic of China
| | - Xinran Li
- College of Life Science, Foshan University, Foshan, 528231, Guangdong, People's Republic of China.
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Shi L, Duan Y, Yao X, Song R, Ren Y. Effects of selenium on the proliferation and apoptosis of sheep spermatogonial stem cells in vitro. Anim Reprod Sci 2020; 215:106330. [PMID: 32216931 DOI: 10.1016/j.anireprosci.2020.106330] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 02/08/2020] [Accepted: 02/21/2020] [Indexed: 01/06/2023]
Abstract
The objective of this study was to investigate effects of selenium (Se) on proliferation and apoptosis of sheep spermatogonial stem cells (SSC) in vitro. The SSC were assigned to five treatment groups (0, 2.0, 4.0, 8.0 and 16.0 μmol/L Se). After treatment with Se for 96 h, cell proliferation and apoptosis were evaluated. The relative abundance of P53 mRNA transcript and protein, cell cycle and apoptosis-related genes were detected using real-time PCR and Western blot quantifications, respectively. The results indicate there were the least cell proliferation rates in the Se16.0 group. Treatments with relatively greater Se concentrations (8.0 and 16.0 μmol/L) resulted in a greater percentage of apoptotic cells, which was consistent with the relative abundances of P53, P21, P27 and pro-apoptosis mRNA transcripts. There were relatively greater ROS concentrations in the control, Se8.0 and Se16.0 groups. Compared with the control group, treatment with the Se concentration of 16.0 μmol/L resulted in an increased abundance of P53, P21, P27 and BAX proteins. Treatment with Pifithrin-α suppressed the increase in abundance of P53 and P21 proteins induced by the relatively greater concentration of Se (16.0 μmol/L), however, did not result in a change in abundances of P27 and BAX proteins. These results indicate the regulatory functions of Se on proliferation and apoptosis of sheep SSC is associated with the P21-mediated P53 signalling pathway. The P27 and BAX proteins have limited functions during the apoptotic process of SSC induced by the relatively greater concentrations of Se.
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Affiliation(s)
- Lei Shi
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, 030801, PR China; Laboratory of Animal Reproductive Biotechnology, Shanxi Agricultural University, Taigu, 030801, PR China
| | - Yunli Duan
- Laboratory of Animal Reproductive Biotechnology, Shanxi Agricultural University, Taigu, 030801, PR China
| | - Xiaolei Yao
- Jiangsu Engineering Technology Research Center of Mutton Sheep and Goat Industry, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Ruigao Song
- Laboratory of Animal Reproductive Biotechnology, Shanxi Agricultural University, Taigu, 030801, PR China
| | - Youshe Ren
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, 030801, PR China; Laboratory of Animal Reproductive Biotechnology, Shanxi Agricultural University, Taigu, 030801, PR China.
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20
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Leonardi A, Evke S, Lee M, Melendez JA, Begley TJ. Epitranscriptomic systems regulate the translation of reactive oxygen species detoxifying and disease linked selenoproteins. Free Radic Biol Med 2019; 143:573-593. [PMID: 31476365 PMCID: PMC7650020 DOI: 10.1016/j.freeradbiomed.2019.08.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 02/07/2023]
Abstract
Here we highlight the role of epitranscriptomic systems in post-transcriptional regulation, with a specific focus on RNA modifying writers required for the incorporation of the 21st amino acid selenocysteine during translation, and the pathologies linked to epitranscriptomic and selenoprotein defects. Epitranscriptomic marks in the form of enzyme-catalyzed modifications to RNA have been shown to be important signals regulating translation, with defects linked to altered development, intellectual impairment, and cancer. Modifications to rRNA, mRNA and tRNA can affect their structure and function, while the levels of these dynamic tRNA-specific epitranscriptomic marks are stress-regulated to control translation. The tRNA for selenocysteine contains five distinct epitranscriptomic marks and the ALKBH8 writer for the wobble uridine (U) has been shown to be vital for the translation of the glutathione peroxidase (GPX) and thioredoxin reductase (TRXR) family of selenoproteins. The reactive oxygen species (ROS) detoxifying selenocysteine containing proteins are a prime examples of how specialized translation can be regulated by specific tRNA modifications working in conjunction with distinct codon usage patterns, RNA binding proteins and specific 3' untranslated region (UTR) signals. We highlight the important role of selenoproteins in detoxifying ROS and provide details on how epitranscriptomic marks and selenoproteins can play key roles in and maintaining mitochondrial function and preventing disease.
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Affiliation(s)
- Andrea Leonardi
- Colleges of Nanoscale Science and Engineering, University at Albany, State University of New York, Albany, NY, USA
| | - Sara Evke
- Colleges of Nanoscale Science and Engineering, State University of New York Polytechnic Institute, Albany, NY, USA
| | - May Lee
- Colleges of Nanoscale Science and Engineering, State University of New York Polytechnic Institute, Albany, NY, USA
| | - J Andres Melendez
- Colleges of Nanoscale Science and Engineering, State University of New York Polytechnic Institute, Albany, NY, USA.
| | - Thomas J Begley
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY, USA; RNA Institute, University at Albany, State University of New York, Albany, NY, USA.
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Qazi IH, Angel C, Yang H, Zoidis E, Pan B, Wu Z, Ming Z, Zeng CJ, Meng Q, Han H, Zhou G. Role of Selenium and Selenoproteins in Male Reproductive Function: A Review of Past and Present Evidences. Antioxidants (Basel) 2019; 8:E268. [PMID: 31382427 PMCID: PMC6719970 DOI: 10.3390/antiox8080268] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 07/23/2019] [Indexed: 12/15/2022] Open
Abstract
Selenium (Se) is an important trace mineral having many essential roles at the cellular and organismal levels in animal and human health. The biological effects of Se are mainly carried out by selenoproteins (encoded by 25 genes in humans and 24 in mice). As an essential component of selenoproteins, Se performs structural and enzymic roles; in the latter context it is well known for its catalytic and antioxidative functions. Studies involving different animal models have added great value to our understanding regarding the potential implications of Se and selenoproteins in mammalian fertility and reproduction. In this review, we highlight the implications of selenoproteins in male fertility and reproduction followed by the characteristic biological functions of Se and selenoproteins associated with overall male reproductive function. It is evident from observations of past studies (both animal and human) that Se is essentially required for spermatogenesis and male fertility, presumably because of its vital role in modulation of antioxidant defense mechanisms and other essential biological pathways and redox sensitive transcription factors. However, bearing in mind the evidences from mainstream literature, it is also advisable to perform more studies focusing on the elucidation of additional roles played by the peculiar and canonical selenoproteins i.e., glutathione peroxidase 4 (GPX4) and selenoprotein P (SELENOP) in the male reproductive functions. Nevertheless, search for the elucidation of additional putative mechanisms potentially modulated by other biologically relevant selenoproteins should also be included in the scope of future studies. However, as for the implication of Se in fertility and reproduction in men, though a few clinical trials explore the effects of Se supplementation on male fertility, due to inconsistencies in the recruitment of subjects and heterogeneity of designs, the comparison of such studies is still complicated and less clear. Therefore, further research focused on the roles of Se and selenoproteins is awaited for validating the evidences at hand and outlining any therapeutic schemes intended for improving male fertility. As such, new dimensions could be added to the subject of male fertility and Se supplementation.
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Affiliation(s)
- Izhar Hyder Qazi
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
- Department of Veterinary Anatomy & Histology, Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand-67210, Sindh, Pakistan
| | - Christiana Angel
- Department of Veterinary Parasitology, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
- Department of Veterinary Parasitology, Faculty of Veterinary Sciences, Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand-67210, Sindh, Pakistan
| | - Haoxuan Yang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Evangelos Zoidis
- Department of Nutritional Physiology and Feeding, Faculty of Animal Science and Aquaculture, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Bo Pan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhenzheng Wu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhang Ming
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Chang-Jun Zeng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Qingyong Meng
- State Key Laboratory of AgroBiotechnology, China Agricultural University, Beijing 100193, China
| | - Hongbing Han
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
| | - Guangbin Zhou
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.
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22
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Gan X, Zhang X, E Q, Zhang Q, Ye Y, Cai Y, Han A, Tian M, Wang C, Su Z, Su L, Liang C. Nano-selenium attenuates nickel-induced testosterone synthesis disturbance through inhibition of MAPK pathways in Sprague-Dawley rats. ENVIRONMENTAL TOXICOLOGY 2019; 34:968-978. [PMID: 31077554 DOI: 10.1002/tox.22768] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 04/20/2019] [Accepted: 04/24/2019] [Indexed: 06/09/2023]
Abstract
The aim of this study was to investigate the protective effects of Nano-Se against Ni-induced testosterone synthesis disorder in rats and determine the underlying protective mechanism. Sprague-Dawley rats were co-treated with Ni (5.0 mg/kg, i.p.) and Nano-Se (0.5, 1.0, and 2.0 mg/kg, oral gavage) for 14 days after which various endpoints were evaluated. The Ni-induced abnormal pathological changes and elevated 8-OHdG levels in the testes were attenuated by Nano-Se administration. Importantly, decreased serum testosterone levels in the Ni-treated rats were significantly restored by Nano-Se treatment, particularly at 1.0 and 2.0 mg/kg. Furthermore, the mRNA and protein levels of testosterone synthetase were increased by Nano-Se compared to the Ni group, whereas phosphorylated protein expression levels of mitogen-activated protein kinase (MAPK) pathways were suppressed by Nano-Se administration in the Ni-treated rats. Overall, the results suggest that Nano-Se may ameliorate the Ni-induced testosterone synthesis disturbance via the inhibition of ERK1/2, p38, and JNK MAPK pathways.
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Affiliation(s)
- Xiaoqin Gan
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Xiaotian Zhang
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Qiannan E
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Qiong Zhang
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Yixing Ye
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Yunyu Cai
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
| | - Aijie Han
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Minmin Tian
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Caixia Wang
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Zheng Su
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Li Su
- Department of Toxicology, School of Public Health, Lanzhou University, Lanzhou, China
| | - Changhao Liang
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China
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Torres DJ, Pitts MW, Hashimoto AC, Berry MJ. Agrp-Specific Ablation of Scly Protects against Diet-Induced Obesity and Leptin Resistance. Nutrients 2019; 11:nu11071693. [PMID: 31340540 PMCID: PMC6682868 DOI: 10.3390/nu11071693] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 07/18/2019] [Accepted: 07/20/2019] [Indexed: 01/25/2023] Open
Abstract
Selenium, an essential trace element known mainly for its antioxidant properties, is critical for proper brain function and regulation of energy metabolism. Whole-body knockout of the selenium recycling enzyme, selenocysteine lyase (Scly), increases susceptibility to metabolic syndrome and diet-induced obesity in mice. Scly knockout mice also have decreased selenoprotein expression levels in the hypothalamus, a key regulator of energy homeostasis. This study investigated the role of selenium in whole-body metabolism regulation using a mouse model with hypothalamic knockout of Scly. Agouti-related peptide (Agrp) promoter-driven Scly knockout resulted in reduced weight gain and adiposity while on a high-fat diet (HFD). Scly-Agrp knockout mice had reduced Agrp expression in the hypothalamus, as measured by Western blot and immunohistochemistry (IHC). IHC also revealed that while control mice developed HFD-induced leptin resistance in the arcuate nucleus, Scly-Agrp knockout mice maintained leptin sensitivity. Brown adipose tissue from Scly-Agrp knockout mice had reduced lipid deposition and increased expression of the thermogenic marker uncoupled protein-1. This study sheds light on the important role of selenium utilization in energy homeostasis, provides new information on the interplay between the central nervous system and whole-body metabolism, and may help identify key targets of interest for therapeutic treatment of metabolic disorders.
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Affiliation(s)
- Daniel J Torres
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI 96813, USA
| | - Matthew W Pitts
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI 96813, USA
| | - Ann C Hashimoto
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI 96813, USA
| | - Marla J Berry
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI 96813, USA.
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24
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Impact of selenium nano-particles in semen extender on bull sperm quality after cryopreservation. Theriogenology 2019; 126:121-127. [DOI: 10.1016/j.theriogenology.2018.12.017] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 11/08/2018] [Accepted: 12/04/2018] [Indexed: 11/22/2022]
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25
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Zhou SH, Deng YF, Weng ZW, Weng HW, Liu ZD. Traditional Chinese Medicine as a Remedy for Male Infertility: A Review. World J Mens Health 2019; 37:175-185. [PMID: 30644235 PMCID: PMC6479084 DOI: 10.5534/wjmh.180069] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/13/2018] [Accepted: 10/17/2018] [Indexed: 12/18/2022] Open
Abstract
Male infertility (MI) is a complex multifactorial disease, and idiopathic infertility accounts for 30% of cases of MI. At present, the evidence for the effectiveness of empirical drugs is limited, and in vitro fertilization is costly and may increase the risk of birth defects and childhood cancers. Therefore, affected individuals may feel obliged to pursue natural remedies. Traditional Chinese medicine (TCM) may represent a useful option for infertile men. It has been demonstrated that TCM can regulate the hypothalamic-pituitary-testicular axis and boost the function of Sertoli cells and Leydig cells. TCM can also alleviate inflammation, prevent oxidative stress, reduce the DNA fragmentation index, and modulate the proliferation and apoptosis of germ cells. Furthermore, TCM can supply trace elements and vitamins, ameliorate the microcirculation of the testis, decrease the levels of serum anti-sperm antibody, and modify epigenetic markers. However, the evidence in favor of TCM is not compelling, which has hindered the development of TCM. This review attempts to elucidate the underlying therapeutic mechanisms of TCM. We also explore the advantages of TCM, differences between TCM and Western medicine, and problems in existing studies. Subsequently, we propose solutions to these problems and present perspectives for the future development of TCM.
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Affiliation(s)
- Shao Hu Zhou
- Department of Reproductive Medicine, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Yu Fei Deng
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhi Wei Weng
- Department of Reproductive Medicine, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hao Wei Weng
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhi Dan Liu
- The First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
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26
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Abstract
Current evidence links oxidative stress (OS) to male infertility, reduced sperm motility, sperm DNA damage and increased risk of recurrent abortions and genetic diseases. A review of PubMed, Medline, Google Scholar, and Cochrane review databases of published articles from years 2000–2018 was performed focusing on physiological and pathological consequences of reactive oxygen species (ROS), sperm DNA damage, OS tests, and the association between OS and male infertility, pregnancy and assisted reproductive techniques outcomes. Generation of ROS is essential for reproductive function, but OS is detrimental to fertility, pregnancy, and genetic status of the newborns. Further, there is a lack of consensus on selecting OS test, type, and duration of antioxidants treatment as well as on the target patients group. Developing advanced diagnostic and therapeutic options for OS is essential to improve fertility potential and limit genetic diseases transmitted to offspring.
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Affiliation(s)
- Ahmed T Alahmar
- Department of Pathological Analysis, College of Science, University of Sumer, Thi-Qar, Iraq
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27
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Defo Deeh PB, Watcho P, Wankeu‐Nya M, Ngadjui E, Usman UZ. The methanolic extract of
Guibourtia tessmannii
(caesalpiniaceae) and selenium modulate cytosolic calcium accumulation, apoptosis and oxidative stress in R2C tumour Leydig cells: Involvement of
TRPV
1 channels. Andrologia 2018; 51:e13216. [DOI: 10.1111/and.13216] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/07/2018] [Accepted: 11/09/2018] [Indexed: 12/11/2022] Open
Affiliation(s)
- Patrick Brice Defo Deeh
- Animal Physiology and Phytopharmacology Laboratory University of Dschang Dschang Cameroon
- Department of Biophysics Faculty of Medicine Suleyman Demirel University Isparta Turkey
| | - Pierre Watcho
- Animal Physiology and Phytopharmacology Laboratory University of Dschang Dschang Cameroon
| | - Modeste Wankeu‐Nya
- Laboratory of Animal Biology and Physiology Department of Animal Organisms Biology University of Douala Douala Cameroon
| | - Esther Ngadjui
- Animal Physiology and Phytopharmacology Laboratory University of Dschang Dschang Cameroon
| | - Umar Zayyanu Usman
- Department of Physiology School of Medical Sciences Health Campus Universiti Sains Malaysia Kelantan Malaysia
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28
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Seale LA, Ogawa-Wong AN, Berry MJ. SEXUAL DIMORPHISM IN SELENIUM METABOLISM AND SELENOPROTEINS. Free Radic Biol Med 2018; 127:198-205. [PMID: 29572096 PMCID: PMC6150850 DOI: 10.1016/j.freeradbiomed.2018.03.036] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/14/2018] [Accepted: 03/18/2018] [Indexed: 12/20/2022]
Abstract
Sexual dimorphism, the condition in which males and females in a species differ beyond the morphology of sex organs, delineates critical aspects of the biology of higher eukaryotes, including selenium metabolism. While sex differences in selenium biology have been described by several laboratories, delineation of the effects of sex in selenium function and regulation of selenoprotein expression is still in its infancy. This review encompasses the available information on sex-dependent parameters of selenium metabolism, as well as the effects of selenium on sex hormones. Gaps in the current knowledge of selenium and sex are identified and discussed.
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Affiliation(s)
- Lucia A Seale
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA, 96813.
| | - Ashley N Ogawa-Wong
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital - Harvard Medical School, Boston, MA, USA, 02115
| | - Marla J Berry
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA, 96813
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29
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Alahmar AT. The effects of oral antioxidants on the semen of men with idiopathic oligoasthenoteratozoospermia. Clin Exp Reprod Med 2018; 45:57-66. [PMID: 29984205 PMCID: PMC6030611 DOI: 10.5653/cerm.2018.45.2.57] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 03/29/2018] [Accepted: 04/16/2018] [Indexed: 11/06/2022] Open
Abstract
It has been estimated that approximately 15% of reproductive-age couples suffer from infertility. Male factors contribute to almost half of infertility cases, and in many patients the underlying cause of oligoasthenoteratozoospermia is unknown. Accumulating evidence suggests that oxidative stress plays a role as a contributing factor to male infertility, and reactive oxygen species have been shown to impair sperm function and motility and to damage sperm membrane and DNA. Therefore, this review explored the evidence provided by studies published from 2002 to 2017 on the impact of oral antioxidants (vitamin C, vitamin E, L-carnitine, coenzyme Q10, zinc, selenium, and pentoxifylline) on seminal fluid parameters in men with idiopathic oligoasthenoteratozoospermia. Most of the studies were randomized controlled studies that investigated the effect of single or combined antioxidants and reported improvements in at least one semen parameter. The most noteworthy effect that was found was that the use of multiple antioxidants increased sperm motility and concentration. Nonetheless, there is a lack of agreement on the dose, the duration of treatment, and whether individual or combined oral antioxidants should be used. Therefore, the current review provides evidence supporting the use of oral antioxidants in the treatment of infertile men with idiopathic oligoasthenoteratozoospermia.
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Affiliation(s)
- Ahmed T Alahmar
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Babylon, Babylon, Iraq
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30
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Rahman SU, Huang Y, Zhu L, Feng S, Khan IM, Wu J, Li Y, Wang X. Therapeutic Role of Green Tea Polyphenols in Improving Fertility: A Review. Nutrients 2018; 10:E834. [PMID: 29954124 PMCID: PMC6073549 DOI: 10.3390/nu10070834] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 06/23/2018] [Accepted: 06/23/2018] [Indexed: 12/20/2022] Open
Abstract
Sperm cells are highly sensitive to reactive oxygen species (ROS), which are produced during cellular oxidation. In normal cell biology, ROS levels increase with a decreasing antioxidant response, resulting in oxidative stress which threatens sperm biology. Oxidative stress has numerous effects, including increased apoptosis, reduced motion parameters, and reduced sperm integrity. In this regard, green tea polyphenols (GrTPs) have been reported to possess properties that may increase the quality of male and female gametes, mostly via the capability of catechins to reduce ROS production. GrTPs have antioxidant properties that improve major semen parameters, such as sperm concentration, motility, morphology, DNA damage, fertility rate, and gamete quality. These unique properties of green tea catechins could improve reproductive health and represent an important study area. This exploratory review discusses the therapeutic effects of GrTPs against infertility, their possible mechanisms of action, and recommended supportive therapy for improving fertility in humans and in animals.
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MESH Headings
- Animals
- Antioxidants/isolation & purification
- Antioxidants/therapeutic use
- Female
- Fertility/drug effects
- Fertility Agents, Female/therapeutic use
- Fertility Agents, Male/therapeutic use
- Humans
- Infertility, Female/drug therapy
- Infertility, Female/metabolism
- Infertility, Female/pathology
- Infertility, Female/physiopathology
- Infertility, Male/drug therapy
- Infertility, Male/metabolism
- Infertility, Male/pathology
- Infertility, Male/physiopathology
- Male
- Ovum/drug effects
- Ovum/metabolism
- Ovum/pathology
- Oxidative Stress/drug effects
- Polyphenols/isolation & purification
- Polyphenols/therapeutic use
- Pregnancy
- Reproductive Health
- Risk Factors
- Spermatozoa/drug effects
- Spermatozoa/metabolism
- Spermatozoa/pathology
- Tea/chemistry
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Affiliation(s)
- Sajid Ur Rahman
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Yingying Huang
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Lei Zhu
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Shibin Feng
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Ibrar Muhammad Khan
- Anhui Provincial Laboratory of Local Livestock and Poultry Genetical Resource Conservation and Breeding, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Jinjie Wu
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Yu Li
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
| | - Xichun Wang
- College of Animal Science and Technology, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, China.
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31
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Domosławska A, Zdunczyk S, Franczyk M, Kankofer M, Janowski T. Selenium and vitamin E supplementation enhances the antioxidant status of spermatozoa and improves semen quality in male dogs with lowered fertility. Andrologia 2018; 50:e13023. [PMID: 29744899 DOI: 10.1111/and.13023] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2018] [Indexed: 11/29/2022] Open
Abstract
Studies showed a beneficial effect of supplementation with selenium (Se) and vitamin E on semen quality. The aim of the study was to investigate the effect of Se and vitamin E supplementation on the antioxidant status of spermatozoa and semen quality in dogs with lowered fertility. Ten dogs were supplemented daily with Se (6 μg/kg organic Se yeast) and vitamin E (5 mg/kg) per os for 60 days. Control group consisted of 10 males without the supplementation. Semen was collected on day 0, 30, 60 and 90. Sperm quality parameters were evaluated using CASA and a microscope. Concentrations of Se and vitamin E in blood as well as glutathione peroxidase (GSH-Px) activity and total antioxidant capacity (TAC) in the spermatozoa were determined. After 60 days of supplementation the concentration of spermatozoa, the majority of motility indicators and the percentage of normal morphology and live spermatozoa increased significantly (p < .05). An increase (p < .05) in concentration of Se and vitamin E in blood and GSH-Px-activity and TAC in the spermatozoa was detected. The study results indicate that Se and vitamin E supplementation for 60 days enhances the antioxidant status of spermatozoa and improves the quality of the semen in dogs with lowered fertility.
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Affiliation(s)
- A Domosławska
- Department of Animal Reproduction with Clinic, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - S Zdunczyk
- Department of Animal Reproduction with Clinic, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - M Franczyk
- Faculty of Veterinary Medicine, Department of Biochemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - M Kankofer
- Faculty of Veterinary Medicine, Department of Biochemistry, University of Life Sciences in Lublin, Lublin, Poland
| | - T Janowski
- Department of Animal Reproduction with Clinic, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
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32
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Zhang Y, Zhou Y, Tang Q, Hu F, Feng L, Shen J, Huang B. The protective effects of selenium-enriched spirulina on the reproductive system of male zebrafish (Danio rerio) exposed to beta-cypermethrin. Food Funct 2018; 9:5791-5804. [DOI: 10.1039/c8fo01527a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Beta-cypermethrin (beta-CYP), which is widely used for the control of indoor and field pests, is a highly lipophilic insecticide with environmental estrogenic effects.
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Affiliation(s)
- Yi Zhang
- School of Life Science
- Anhui University
- Hefei 230601
- PR China
| | - Yuhang Zhou
- School of Life Science
- Anhui University
- Hefei 230601
- PR China
| | - Qingyang Tang
- School of Life Science
- Anhui University
- Hefei 230601
- PR China
| | - Feng Hu
- School of Life Science
- Anhui University
- Hefei 230601
- PR China
| | - Lixue Feng
- Bozhou Decoction Pieces
- Factory of Tribute Medicine
- Bozhou 236800
- PR China
| | - Jinglian Shen
- Bozhou Decoction Pieces
- Factory of Tribute Medicine
- Bozhou 236800
- PR China
| | - Bei Huang
- School of Life Science
- Anhui University
- Hefei 230601
- PR China
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33
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34
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Sarhan NR. The Ameliorating Effect of Sodium Selenite on the Histological Changes and Expression of Caspase-3 in the Testis of Monosodium Glutamate-Treated Rats: Light and Electron Microscopic Study. J Microsc Ultrastruct 2018; 6:105-115. [PMID: 30221135 PMCID: PMC6130250 DOI: 10.4103/jmau.jmau_2_18] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Monosodium glutamate (MSG) is a commonly used flavor enhancer that may contribute to male infertility. Sodium selenite is inorganic chemical form of selenium (Se). Se is best known as an antioxidant. This study was designed to investigate the possible ameliorating role of sodium selenite against MSG-induced testicular toxicity and histological changes. Forty male albino rats were allocated into four groups. Control group received distilled water, SE group received sodium selenite (0.25 mg/kg/day) dissolved in distilled water orally, MSG group received MSG (6 mg/g/day) dissolved in distilled water orally, and MSG + SE group received both MSG and sodium selenite for 45 days. Testicular samples were prepared for biochemical, light, and electron microscopic studies. Immunohistochemical staining for caspase-3 was done. MSG group demonstrated a significant increase in malondialdehyde level, marked damage of seminiferous tubules with a significant reduction in diameter and height of the lining epithelium. Spermatogenic cells showed disorganization, dark nuclei, reduction in number, and maturation arrest. Vacuolations of interstitial tissue and Leydig cells were also observed. Percent area of fibrosis and caspase-3 immunoexpression was significantly increased. Ultrastructurally, irregular tubular basement membrane and damaged germ cells were found. The spermatogenic, Sertoli, and Leydig cells showed irregular shrunken nuclei, cytoplasmic vacuolations, and swollen mitochondria. MSG + SE group showed much better histological and ultrastructural picture and improvement of the measured biochemical and morphometric parameters. Percent area of caspase-3 immunoexpression was significantly decreased. In conclusion, sodium selenite ameliorated the testicular damaging effect of MSG through reduction of oxidative stress and apoptosis.
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Affiliation(s)
- Nahla Reda Sarhan
- Department of Histology and Cell Biology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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35
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Ahmadi S, Bashiri R, Ghadiri-Anari A, Nadjarzadeh A. Antioxidant supplements and semen parameters: An evidence based review. Int J Reprod Biomed 2016. [DOI: 10.29252/ijrm.14.12.729] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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36
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Varlamova EG. The role of selenium and selenocysteine-containing proteins in the mammalian male reproductive system. Biophysics (Nagoya-shi) 2016. [DOI: 10.1134/s0006350916040266] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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37
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Halim BA, Khalaf A, Moselhy WA, Ahmed WM. Protective Effect of Nano-selenium and Ionized Selenium Against the Testicular Damage, Endocrine Disruptor and Testicular Ultrastructure of Bisphenol A in Albino Male Rats. ACTA ACUST UNITED AC 2016. [DOI: 10.3923/ajava.2016.653.664] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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38
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Brigelius-Flohé R, Flohé L. Selenium and redox signaling. Arch Biochem Biophys 2016; 617:48-59. [PMID: 27495740 DOI: 10.1016/j.abb.2016.08.003] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Accepted: 08/01/2016] [Indexed: 01/06/2023]
Abstract
Selenium compounds that contain selenol functions or can be metabolized to selenols are toxic via superoxide and H2O2 generation, when ingested at dosages beyond requirement. At supra-nutritional dosages various forms of programmed cell death are observed. At physiological intakes, selenium exerts its function as constituent of selenoproteins, which overwhelmingly are oxidoreductases. Out of those, the glutathione peroxidases counteract hydroperoxide-stimulated signaling cascades comprising inflammation triggered by cytokines or lipid mediators, insulin signaling and different forms of programmed cell death. Similar events are exerted by peroxiredoxins, which functionally depend on the selenoproteins of the thioredoxin reductase family. The thiol peroxidases of both families can, however, also act as sensors for hydroperoxides, thereby initiating signaling cascades. Although the interaction of selenoproteins with signaling events has been established by genetic techniques, the in vivo relevance of these findings is still hard to delineate for several reasons: The biosynthesis of individual selenoproteins responds differently to variations of selenium intakes; selenium is preferentially delivered to privileged tissues via inter-organ trafficking and receptor-mediated uptake, and only half of the selenoproteins known by sequence have been functionally characterized. The fragmentary insights do not allow any uncritical use of selenium for optimizing human health.
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Affiliation(s)
| | - Leopold Flohé
- Departamento de Bioquímica, Universidad de la República, 11800 Montevideo, Uruguay; Department of Molecular Medicine, University of Padova, I-35121 Padova, Italy
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39
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Mintziori G, Kita M, Duntas L, Goulis DG. Consequences of hyperthyroidism in male and female fertility: pathophysiology and current management. J Endocrinol Invest 2016; 39:849-53. [PMID: 26956000 DOI: 10.1007/s40618-016-0452-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 02/17/2016] [Indexed: 12/15/2022]
Abstract
Thyroid hormone acts on the oocytes, sperm and embryo during fertilization, implantation and placentation. Both hypothyroidism and hyperthyroidism may influence fertility. However, evidence of the association of hyperthyroidism with infertility is scarce and sometimes conflicting. Thyroid hormone influences human reproduction via a variety of mechanisms at both the central and the peripheral level. Infertility may occur in hyperthyroid men and women, but it is usually reversible upon restoration of euthyroidism. This review aims to summarize the available data on the association of hyperthyroidism and infertility in both men and women and to provide practical suggestions for the management of these patients.
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Affiliation(s)
- G Mintziori
- Unit of Reproductive Endocrinology and Unit of Human Reproduction, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Endocrinology, Diabetes and Metabolism, Hippokration General Hospital, Thessaloniki, Greece
| | - M Kita
- Department of Endocrinology, Diabetes and Metabolism, Hippokration General Hospital, Thessaloniki, Greece
| | - L Duntas
- Evgenidion Hospital, Thyroid Unit, University of Athens, Athens, Greece
| | - D G Goulis
- Unit of Reproductive Endocrinology and Unit of Human Reproduction, First Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
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40
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Ceko MJ, O'Leary S, Harris HH, Hummitzsch K, Rodgers RJ. Trace Elements in Ovaries: Measurement and Physiology1. Biol Reprod 2016; 94:86. [DOI: 10.1095/biolreprod.115.137240] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 01/28/2016] [Indexed: 12/21/2022] Open
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41
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Talib Ali AB, Bomboi G, Floris B. Does Vitamin E or Vitamin E plus Selenium improve reproductive performance of rams during hot weather? ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2009.743] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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42
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Jung KY, Yon JM, Lin C, Jung AY, Lee JG, Baek IJ, Lee BJ, Yun YW, Nam SY. Phospholipid hydroperoxide glutathione peroxidase is involved in the maintenance of male fertility under cryptorchidism in mice. Reprod Toxicol 2015; 57:73-80. [DOI: 10.1016/j.reprotox.2015.05.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 05/18/2015] [Accepted: 05/26/2015] [Indexed: 10/23/2022]
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43
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Bang J, Huh JH, Na JW, Lu Q, Carlson BA, Tobe R, Tsuji PA, Gladyshev VN, Hatfield DL, Lee BJ. Cell Proliferation and Motility Are Inhibited by G1 Phase Arrest in 15-kDa Selenoprotein-Deficient Chang Liver Cells. Mol Cells 2015; 38:457-65. [PMID: 25728752 PMCID: PMC4443288 DOI: 10.14348/molcells.2015.0007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 01/08/2015] [Accepted: 01/09/2015] [Indexed: 01/08/2023] Open
Abstract
The 15-kDa selenoprotein (Sep15) is a selenoprotein residing in the lumen of the endoplasmic reticulum (ER) and implicated in quality control of protein folding. Herein, we established an inducible RNAi cell line that targets Sep15 mRNA in Chang liver cells. RNAi-induced Sep15 deficiency led to inhibition of cell proliferation, whereas cell growth was resumed after removal of the knockdown inducer. Sep15-deficient cells were arrested at the G1 phase by upregulating p21 and p27, and these cells were also characterized by ER stress. In addition, Sep15 deficiency led to the relocation of focal adhesions to the periphery of the cell basement and to the decrease of the migratory and invasive ability. All these changes were reversible depending on Sep15 status. Rescuing the knockdown state by expressing a silent mutant Sep15 mRNA that is resistant to siRNA also reversed the phenotypic changes. Our results suggest that SEP15 plays important roles in the regulation of the G1 phase during the cell cycle as well as in cell motility in Chang liver cells, and that this selenoprotein offers a novel functional link between the cell cycle and cell motility.
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Affiliation(s)
- Jeyoung Bang
- School of Biological Sciences, Seoul National University, Seoul, 151-742
Korea
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 151-742
Korea
| | - Jang Hoe Huh
- School of Biological Sciences, Seoul National University, Seoul, 151-742
Korea
| | - Ji-Woon Na
- School of Biological Sciences, Seoul National University, Seoul, 151-742
Korea
| | - Qiao Lu
- School of Biological Sciences, Seoul National University, Seoul, 151-742
Korea
| | - Bradley A. Carlson
- Mouse Cancer Genetics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
| | - Ryuta Tobe
- Mouse Cancer Genetics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
| | - Petra A. Tsuji
- Department of Biological Sciences, Towson University, Towson, MD 21252
| | - Vadim N. Gladyshev
- Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115,
USA
| | - Dolph L. Hatfield
- Mouse Cancer Genetics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892
| | - Byeong Jae Lee
- School of Biological Sciences, Seoul National University, Seoul, 151-742
Korea
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 151-742
Korea
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 151-742
Korea
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Abstract
This review aims to illustrate the importance of selenium (Se) for maintenance of overall health, especially for the thyroid, immunity, and homeostasis. Furthermore, it outlines the role of Se in reproduction and in virology and discusses the effects of Se supplementation in critical illness. The multifaceted aspects of this essential nutrient have attracted worldwide clinical and research interest in the last few decades. Se exerts its activity in the form of the aminoacid selenocysteine incorporated in selenoproteins. The impact of Se administration should be considered in relation to its apparent U shaped effects, i.e., exhibiting major advantages in Se-deficient individuals but specific health risks in those with Se excess. Addition of selenium to the administration of levothyroxine may be useful in patients with low Se intake and with mild-form or early-stage Hashimoto's thyroiditis (HT). Serum Se concentration (possibly also at tissue level) decreases in inflammatory conditions and may vary with the severity and duration of the inflammatory process. In such cases, the effect of Se supplementation seems to be useful and rational. Meanwhile, Se's ability to improve the activity of T cells and the cytotoxicity of natural killer cells could render it effective in viral disease. However, the evidence, and this should be stressed, is at present conflicting as to whether Se supplementation is of benefit in patients with HT, though there are indications that it is advantageous in cases of mild/moderate Graves' Orbitopathy. The role of Se in type 2 diabetes mellitus (T2DM) is ambiguous, driven by both Se intake and serum levels. The evidence that insulin and glycaemia influence the transport and activity of Se, via regulatory activity on selenoproteins, and that high serum Se may have a diabetogenic effect suggests a 'Janus-effect' of Se in T2DM. Though the evidence is not as yet clear-cut, the organic form (selenomethionine), due to its pharmacokinetics, is likely to be more advantageous in long-term prevention, and supplementation efforts, while the inorganic form (sodium selenite) has proven effective in an acute, e.g., sepsis, clinical setting. Recent data indicate that functional selenoprotein single-nucleotide polymorphisms (SNPs) may interfere with Se utilization and effectiveness.
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Affiliation(s)
- Leonidas H Duntas
- Unit of Endocrinology, Metabolism and Diabetes, Evgenidion Hospital, University of Athens, School of Medicine, 20 Papadiamantopoulou St, 115 28, Athens, Greece,
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Bang J, Jang M, Huh JH, Na JW, Shim M, Carlson BA, Tobe R, Tsuji PA, Gladyshev VN, Hatfield DL, Lee BJ. Deficiency of the 15-kDa selenoprotein led to cytoskeleton remodeling and non-apoptotic membrane blebbing through a RhoA/ROCK pathway. Biochem Biophys Res Commun 2015; 456:884-90. [PMID: 25529450 PMCID: PMC4758352 DOI: 10.1016/j.bbrc.2014.12.059] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 12/11/2014] [Indexed: 01/20/2023]
Abstract
The 15-kDa selenoprotein (Sep15) has been implicated in etiology of some types of cancer. Herein, inducible RNAi cell lines were established and cell morphology and motility were analyzed. The majority of Sep15-deficient cells (>95%) formed membrane blebs in a dynamic manner. Blebbing cells transformed cell morphology from a normal flat spindle shape to a spherical morphology. In blebbing cells, actin fibers moved to the cell periphery, covering and obscuring visualization of α-tubulin. Bleb formation was suppressed by the inhibitors of Rho-associated protein kinase (ROCK), RhoA or myosin light chain (MLC), restoring blebbing cells to wild-type morphology. RhoA activation and phosphorylation of myosin phosphatase target subunit 1 was induced by Sep15 knockdown. Sep15-deficient cells were non-apoptotic, and displayed a distinct relative localization of F-actin and α-tubulin from typical apoptotic blebbing cells. Our data suggest that Sep15 in Chang liver cells regulates the pathway that antagonizes RhoA/ROCK/MLC-dependent non-apoptotic bleb formation.
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Affiliation(s)
- Jeyoung Bang
- School of Biological Sciences, Seoul National University, Seoul 151-742, Republic of Korea; Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul 151-742, Republic of Korea
| | - Mihyun Jang
- School of Biological Sciences, Seoul National University, Seoul 151-742, Republic of Korea
| | - Jang Hoe Huh
- School of Biological Sciences, Seoul National University, Seoul 151-742, Republic of Korea
| | - Ji-Woon Na
- School of Biological Sciences, Seoul National University, Seoul 151-742, Republic of Korea
| | - Myoungsup Shim
- School of Biological Sciences, Seoul National University, Seoul 151-742, Republic of Korea; Institute of Molecular Biology and Genetics, Seoul National University, Seoul 151-742, Republic of Korea
| | - Bradley A Carlson
- Mouse Cancer Genetics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ryuta Tobe
- Mouse Cancer Genetics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Petra A Tsuji
- Department of Biological Sciences, Towson University, Towson, MD 21252, USA
| | - Vadim N Gladyshev
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Dolph L Hatfield
- Mouse Cancer Genetics Program, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Byeong Jae Lee
- School of Biological Sciences, Seoul National University, Seoul 151-742, Republic of Korea; Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul 151-742, Republic of Korea; Institute of Molecular Biology and Genetics, Seoul National University, Seoul 151-742, Republic of Korea.
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Weekley CM, Aitken JB, Witting PK, Harris HH. XAS studies of Se speciation in selenite-fed rats. Metallomics 2014; 6:2193-203. [PMID: 25363824 PMCID: PMC4244600 DOI: 10.1039/c4mt00227j] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The biological activity of selenium is dependent on its chemical form. Therefore, knowledge of Se chemistry in vivo is required for efficacious use of selenium compounds in disease prevention and treatment. Using X-ray absorption spectroscopy, Se speciation in the kidney, liver, heart, spleen, testis and red blood cells of rats fed control (∼0.3 ppm Se) or selenite-supplemented (1 ppm or 5 ppm Se) diets for 3 or 6 weeks, was investigated. X-ray absorption spectroscopy revealed the presence of Se-Se and Se-C species in the kidney and liver, and Se-S species in the kidney, but not the liver. X-ray absorption near edge structure (XANES) spectra showed that there was variation in speciation in the liver and kidneys, but Se speciation was much more uniform in the remaining organs. Using principal component analysis (PCA) to interpret the Se K-edge X-ray absorption spectra, we were able to directly compare the speciation of Se in two different models of selenite metabolism--human lung cancer cells and rat tissues. The effects of Se dose, tissue type and duration of diet on selenium speciation in rat tissues were investigated, and a relationship between the duration of the diet (3 weeks versus 6 weeks) and selenium speciation was observed.
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Affiliation(s)
- Claire M Weekley
- School of Chemistry and Physics, The University of Adelaide, SA 5005, Australia.
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Agarwal A, Durairajanayagam D, du Plessis SS. Utility of antioxidants during assisted reproductive techniques: an evidence based review. Reprod Biol Endocrinol 2014; 12:112. [PMID: 25421286 PMCID: PMC4258799 DOI: 10.1186/1477-7827-12-112] [Citation(s) in RCA: 120] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 11/06/2014] [Indexed: 11/10/2022] Open
Abstract
Assisted reproductive technology (ART) is a common treatment of choice for many couples facing infertility issues, be it due to male or female factor, or idiopathic. Employment of ART techniques, however, come with its own challenges as the in vitro environment is not nearly as ideal as the in vivo environment, where reactive oxygen species (ROS) build-up leading to oxidative stress is kept in check by the endogenous antioxidants system. While physiological amounts of ROS are necessary for normal reproductive function in vivo, in vitro manipulation of gametes and embryos exposes these cells to excessive ROS production either by endogenous or exogenous environmental factors. In this review, we discuss the sources of ROS in an in vitro clinical setting and the influence of oxidative stress on gamete/embryo quality and the outcome of IVF/ICSI. Sources of ROS and different strategies of overcoming the excessive generation of ROS in vitro are also highlighted. Endogenously, the gametes and the developing embryo become sources of ROS. Multiple exogenous factors act as potential sources of ROS, including exposure to visible light, composition of culture media, pH and temperature, oxygen concentration, centrifugation during spermatozoa preparation, ART technique involving handling of gamete/embryo and cryopreservation technique (freeze/thawing process). Finally, the use of antioxidants as agents to minimize ROS generation in the in vitro environment and as oral therapy is highlighted. Both enzymatic and non-enzymatic antioxidants are discussed and the outcome of studies using these antioxidants as oral therapy in the male or female or its use in vitro in media is presented. While results of studies using certain antioxidant agents are promising, the current body of evidence as a whole suggests the need for further well-designed and larger scale randomized controlled studies, as well as research to minimize oxidative stress conditions in the clinical ART setting.
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Affiliation(s)
- Ashok Agarwal
- Center for Reproductive Medicine, Glickman Urological & Kidney Institute, Cleveland Clinic, Cleveland, OH 44195 USA
| | - Damayanthi Durairajanayagam
- Discipline of Physiology, Faculty of Medicine, MARA University of Technology, Sungai Buloh, Selangor 47000 Malaysia
| | - Stefan S du Plessis
- Center for Reproductive Medicine, Glickman Urological & Kidney Institute, Cleveland Clinic, Cleveland, OH 44195 USA
- Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, 7505 South Africa
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Sun G, Jiang M, Zhou T, Guo Y, Cui Y, Guo X, Sha J. Insights into the lysine acetylproteome of human sperm. J Proteomics 2014; 109:199-211. [DOI: 10.1016/j.jprot.2014.07.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 06/17/2014] [Accepted: 07/02/2014] [Indexed: 11/24/2022]
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Abstract
The ejaculated spermatozoon, as an aerobic cell, must fight against toxic levels of reactive oxygen species (ROS) generated by its own metabolism but also by other sources such as abnormal spermatozoa, chemicals and toxicants, or the presence of leukocytes in semen. Mammalian spermatozoa are extremely sensitive to oxidative stress, a condition occurring when there is a net increase in ROS levels within the cell. Opportunely, this specialized cell has a battery of antioxidant enzymes (superoxide dismutase, peroxiredoxins, thioredoxins, thioredoxins reductases, and glutathione s-transferases) working in concert to assure normal sperm function. Any impairment of the antioxidant enzymatic activities will promote severe oxidative damage which is observed as plasma membrane lipid peroxidation, oxidation of structural proteins and enzymes, and oxidation of DNA bases that lead to abnormal sperm function. Altogether, these damages occurring in spermatozoa are associated with male infertility. The present review contains a description of the enzymatic antioxidant system of the human spermatozoon and a reevaluation of the role of its different components and highlights the necessity of sufficient supply of reducing agents (NADPH and reduced glutathione) to guarantee normal sperm function.
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50
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Eroglu M, Sahin S, Durukan B, Ozakpinar OB, Erdinc N, Turkgeldi L, Sofuoglu K, Karateke A. Blood serum and seminal plasma selenium, total antioxidant capacity and coenzyme q10 levels in relation to semen parameters in men with idiopathic infertility. Biol Trace Elem Res 2014; 159:46-51. [PMID: 24752972 DOI: 10.1007/s12011-014-9978-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Accepted: 04/10/2014] [Indexed: 02/05/2023]
Abstract
In this case-control study, we aimed to evaluate the serum and seminal plasma levels of Selenium (Se), total antioxidant capacity (TAC), and Coenzyme Q10 (CoQ-10) and determine their relationship with sperm concentration, motility, and morphology in men with idiopathic infertility. A total of 59 subjects were enrolled in the study. Forty four patients were diagnosed with idiopathic male infertility and had abnormal sperm parameters, and 15 subjects had normal sperm parameters with proven fertility. Serum Se, semen Se, and semen TAC levels were significantly different in the fertile and infertile groups (p<0.01, p<0.001, and p<0.001, respectively). However, serum TAC, serum, and seminal plasma CoQ-10 levels did not differ between fertile and infertile groups. When the levels of the measured parameters were compared in serum and seminal plasma, serum levels of Se were found to be correlated positively with the semen levels in all subjects included into the study (N=59) (r=0.46, p<0.01). A relationship was found between neither serum and semen levels of TAC nor between serum and semen levels of CoQ-10. Correlations among measured serum and semen parameters with sperm parameters demonstrated that both the serum and semen levels of Se were correlated positively with spermatozoa concentration, motility, and morphology. Additionally, seminal plasma levels of TAC correlated positively with all these sperm parameters. On the other hand, seminal plasma levels of CoQ-10 correlated only with sperm morphology but not with concentration or motility. No relationship was observed between serum levels of TAC or serum levels of CoQ-10 and sperm parameters. In conclusion, serum and seminal plasma Se deficiency may be a prominent determinant of abnormal sperm parameters and idiopathic male infertility. Measurement of serum Se levels may help determine nutritional status and antioxidant capacity in infertile patients, which may help distinguish those patients who will benefit from supplementation therapy.
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Affiliation(s)
- Mustafa Eroglu
- Deparment of Obstetrics and Gynecology, Zeynep Kamil Maternity and Children's Hospital, Istanbul, Turkey
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