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The Dual Role of Oxidants in Male (In)fertility: Every ROSe Has a Thorn. Int J Mol Sci 2023; 24:ijms24054994. [PMID: 36902424 PMCID: PMC10002566 DOI: 10.3390/ijms24054994] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/22/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
The role of oxidative stress (OS) in male infertility as a primary etiology and/or concomitant cause in other situations, such as inflammation, varicocele and gonadotoxin effects, is well documented. While reactive oxygen species (ROS) are implicated in many important roles, from spermatogenesis to fertilization, epigenetic mechanisms which are transmissible to offspring have also recently been described. The present review is focused on the dual aspects of ROS, which are regulated by a delicate equilibrium with antioxidants due to the special frailty of spermatozoa, in continuum from physiological condition to OS. When the ROS production is excessive, OS ensues and is amplified by a chain of events leading to damage of lipids, proteins and DNA, ultimately causing infertility and/or precocious pregnancy termination. After a description of positive ROS actions and of vulnerability of spermatozoa due to specific maturative and structural characteristics, we linger on the total antioxidant capacity (TAC) of seminal plasma, which is a measure of non-enzymatic non-proteic antioxidants, due to its importance as a biomarker of the redox status of semen; the therapeutic implications of these mechanism play a key role in the personalized approach to male infertility.
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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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Lai TCT, Roychoudhury S, Cho CL. Oxidative Stress and Varicocele-Associated Male Infertility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1358:205-235. [PMID: 35641872 DOI: 10.1007/978-3-030-89340-8_10] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Despite being regarded as one of the most common causes of male subfertility, the pathophysiology of varicocele remains largely unknown. Recently, oxidative stress (OS) is proposed to be the mediator in how varicocele may negatively impact fertility. The imbalance of reactive oxygen species (ROS) and seminal antioxidants results in damage to sperm DNA and lipid membrane. There is evidence demonstrating higher OS level in men with varicocele which is also positively correlated with clinical grading of varicocele. Moreover, a number of studies have revealed the negative correlation between OS and conventional semen parameters. Furthermore, various interventions have shown their potential in alleviating OS in men with varicocele-associated infertility. Although direct evidence on improving pregnancy rate is not available at the moment, varicocelectomy has demonstrated promising results in relieving OS. Oral antioxidants represent another option with a favourable safety profile. The supplement can be used alone or as adjunct to varicocelectomy. However, most of the studies are hampered by heterogenous dose regime and high-level evidence is lacking.
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Affiliation(s)
- Terence Chun-Ting Lai
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | | | - Chak-Lam Cho
- S. H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, Hong Kong.
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Inflammation and Oxidative Stress in Seminal Plasma: Search for Biomarkers in Diagnostic Approach to Male Infertility. J Pers Med 2022; 12:jpm12060857. [PMID: 35743642 PMCID: PMC9224911 DOI: 10.3390/jpm12060857] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 02/04/2023] Open
Abstract
Oxidative and inflammatory damage underlie several conditions related to male infertility, including varicocele. Free light chains of immunoglobulins (FLCs) are considered markers of low-grade inflammation in numerous diseases. Coenzyme Q10 (CoQ10), a lipidic antioxidant and anti-inflammatory compound, is involved in spermatozoa energy metabolism and motility. We aimed to evaluate FLCs’ seminal levels in patients with varicocele in comparison to control subjects and to correlate them with CoQ10 and Total Antioxidant Capacity (TAC) in human semen. Sixty-five patients were enrolled. Semen analysis was performed; patients were divided into three groups: controls, 12 normozoospermic patients, aged 34 (33–41) years; varicocele (VAR), 29 patients, aged 33 (26–37) years; and idiopathic, 24 oligo-, astheno- and oligoasthenozoospermic patients aged 37 (33.5–40.5) years. FLCs (κ and λ) were assayed by turbidimetric method; CoQ10 by HPLC; TAC by spectrophotometric method. λ FLCs showed a trend toward higher levels in VAR vs. controls and the idiopathic group. VAR showed a trend toward lower κ FLCs levels vs. the other two groups. When comparing κ/λ ratio, VAR showed significantly lower levels vs. controls and idiopathic. Moreover, CoQ10 seminal levels showed higher levels in VAR and idiopathic compared to controls. Data reported here confirm lower levels of κ/λ ratio in VAR and suggest a possible application in personalized medicine as clinical biomarkers for male infertility.
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Mancini A, Guidi F, Bruno C, Angelini F, Vergani E, Lanza P, Mordente A, Meucci E, Silvestrini A. Can plasma antioxidants prevent DNA damage in oxidative stress condition induced by growth hormone deficiency? A pilot study. PLoS One 2021; 16:e0248971. [PMID: 33793606 PMCID: PMC8016303 DOI: 10.1371/journal.pone.0248971] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 03/05/2021] [Indexed: 11/19/2022] Open
Abstract
Adult growth hormone deficiency (GHD), a condition characterized by increased oxidative stress, is related to augmented cardiovascular, metabolic and oncological risk. A case-control observational study has been performed to evaluate DNA oxidative damage analysing the production of thymidine-glycol in lymphocytes and its correlation with plasma antioxidant levels, evaluated as Total Antioxidant Capacity (TAC). GHD was diagnosed using GHRH 50μg iv+arginine 0,5 g/Kg test, with peak GH response <9 μg/L when BMI was <30 kg/m2 or <4 μg/L when BMI was >30 kg/m2. Three groups were identified: total GHD (n = 16), partial GHD (n = 11), and controls (n = 12). Thymidine-glycol, TAC and IGF-1 have been determined respectively in lymphocytes, plasma and serum samples. When considering thymidine-glycol, we found a significant difference between total vs partial GHD and controls. Unexpectedly thymidine-glycol was lower in total GHD, also accompanied with a significant increase in plasmatic TAC. Our results showed that in adult GHD condition, the production of antioxidant species, in response to increased oxidative stress, could exert a protective effect on thymidine-glycol formation, and consequently on DNA intracellular damages. This pilot study could be inserted in the complex scenario of oxidative damage of GHD, a subtle, yet poorly defined condition, worthy of further insights.
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Affiliation(s)
- Antonio Mancini
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Francesco Guidi
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Carmine Bruno
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Flavia Angelini
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Edoardo Vergani
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Paola Lanza
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Alvaro Mordente
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze biotecnologiche di base, Cliniche intensivologiche e peri-operatorie, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Elisabetta Meucci
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze biotecnologiche di base, Cliniche intensivologiche e peri-operatorie, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Andrea Silvestrini
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze biotecnologiche di base, Cliniche intensivologiche e peri-operatorie, Università Cattolica del Sacro Cuore, Rome, Italy
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RETRACTED ARTICLE: Sperm DNA damage due to the oxidative stress associated with varicocele. J Assist Reprod Genet 2019; 36:1295. [DOI: 10.1007/s10815-010-9532-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Accepted: 12/21/2010] [Indexed: 11/26/2022] Open
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Darbandi M, Darbandi S, Agarwal A, Sengupta P, Durairajanayagam D, Henkel R, Sadeghi MR. Reactive oxygen species and male reproductive hormones. Reprod Biol Endocrinol 2018; 16:87. [PMID: 30205828 PMCID: PMC6134507 DOI: 10.1186/s12958-018-0406-2] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 08/30/2018] [Indexed: 12/12/2022] Open
Abstract
Reports of the increasing incidence of male infertility paired with decreasing semen quality have triggered studies on the effects of lifestyle and environmental factors on the male reproductive potential. There are numerous exogenous and endogenous factors that are able to induce excessive production of reactive oxygen species (ROS) beyond that of cellular antioxidant capacity, thus causing oxidative stress. In turn, oxidative stress negatively affects male reproductive functions and may induce infertility either directly or indirectly by affecting the hypothalamus-pituitary-gonadal (HPG) axis and/or disrupting its crosstalk with other hormonal axes. This review discusses the important exogenous and endogenous factors leading to the generation of ROS in different parts of the male reproductive tract. It also highlights the negative impact of oxidative stress on the regulation and cross-talk between the reproductive hormones. It further describes the mechanism of ROS-induced derangement of male reproductive hormonal profiles that could ultimately lead to male infertility. An understanding of the disruptive effects of ROS on male reproductive hormones would encourage further investigations directed towards the prevention of ROS-mediated hormonal imbalances, which in turn could help in the management of male infertility.
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Affiliation(s)
- Mahsa Darbandi
- Reproductive Biotechnology Research Center, Avicenna Research Institute, Academic Center for Education, Culture and Research, Tehran, Iran
| | - Sara Darbandi
- Reproductive Biotechnology Research Center, Avicenna Research Institute, Academic Center for Education, Culture and Research, Tehran, Iran
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, Ohio 44195 USA
| | - Pallav Sengupta
- Department of Physiology, Faculty of Medicine, MAHSA University, Jalan SP2, Bandar Saujana Putra, 42610 Jenjarom, Selangor Malaysia
| | - Damayanthi Durairajanayagam
- Department of Physiology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Jalan Hospital, 47000 Sungai Buloh, Selangor Malaysia
| | - Ralf Henkel
- Department of Medical Biosciences, University of the Western Cape, Bellville, Cape Town, 7535 South Africa
| | - Mohammad Reza Sadeghi
- Reproductive Immunology Research Center, Avicenna Research Institute, Academic Center for Education, Culture and Research, Tehran, Iran
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Rateb SA. Influence of omega-3 incorporation in sperm preservation medium on physical and kinematic properties of chilled and cryopreserved ram spermatozoa. Reprod Domest Anim 2018; 53:1506-1516. [PMID: 30054952 DOI: 10.1111/rda.13289] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 07/16/2018] [Indexed: 11/28/2022]
Abstract
Two experiments were carried out to investigate the efficiency of supplementing sperm preservation medium with omega-3 polyunsaturated fatty acids on improving liquid-chilled storage and cryopreservation capacity of ram spermatozoa. Ejaculates (n = 100) were collected from five adult rams, Ovis aries, by an artificial vagina twice weekly throughout the period February-April, 2017. After initial evaluation, ejaculates of each collection session from the same males were pooled, diluted (1:10) with Tris-citric acid egg yolk extender, and were further split into five aliquots using a split-sample technique. The first aliquot served as control (omega-free), whereas the other four portions were supplemented with 0.1, 0.2, 0.3 or 0.4 mM omega-3, respectively (T0 ). Thereafter, the diluted specimens were stored at 4°C for 48 hr, during which sperm physical and morphometric properties were evaluated along with oxidative stress indices (T24 , T48 ). Omega-3 levels that efficiently mitigated the detrimental effects of chilled preservation, and maintained preservation aptitude of spermatozoa were further investigated for sperm cryosurvival against control (untreated). Post-thaw physical and kinematic properties of spermatozoa, in all groups, were objectively evaluated by a computer-assisted sperm analysis (CASA) system. The results showed that, at 48 hr of chilled storage, supplementing preservation medium with 0.4 mM omega-3 was positively correlated (p < 0.01) with each of progressive motility, live sperm, intact acrosome and intact cell membrane (r = 0.83, 0.85, 0.85, 0.89, respectively). Furthermore, a positive correlation (p < 0.01) was observed between inclusion of omega-3 in cryopreservation medium and each of post-thaw total sperm motility, progressive motility, live sperm, normal sperm, intact acrosome, intact cell membrane, VCL, VSL, VAP, ALH and STR (r = 0.76, 0.84, 0.79, 0.90, 0.89, 0.91, 0.61, 0.73, 0.65, 0.78 and 0.60, respectively). These results accentuate efficiency of supplementing the diluent with omega-3 fatty acids on improving chilled and cryopreservation aptitude of ram spermatozoa.
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Affiliation(s)
- Sherif A Rateb
- Animal and Poultry Production Division, Desert Research Center, Ministry of Agriculture and Land Reclamation, Cairo, Egypt
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Gul M, Bugday MS, Erel O. Thiol-disulphide homoeostasis as an oxidative stress marker in men with varicocele. Andrologia 2018; 50:e12982. [PMID: 29411889 DOI: 10.1111/and.12982] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2017] [Indexed: 11/29/2022] Open
Abstract
Oxidative stress is the most common factor leading to infertility in men with varicocele. Reactive oxygen species and other markers of oxidative stress are measured to predict the extent of oxidative stress. Thiol groups are important antioxidants and essential molecules protecting organism against the harmful effects of reactive oxygen species. Thiol-disulphide homoeostasis is a unique, easy and new method to demonstrate oxidative stress. The aim of this study was to determine thiol-disulphide homoeostasis as an oxidative stress marker in infertile men with varicocele. The hormonal profile and parameters of thiol-disulphide homoeostasis were studied in 46 infertile men with varicocele, 70 fertile men with varicocele and 37 fertile controls. Infertile men with varicocele had significantly higher disulphide concentrations and disulphide/native thiol, disulphide/total thiol and native/total thiol ratios than those of fertile men with varicocele and fertile controls. According to these results, the blood plasma of patients with varicocele contains excessive oxidative stress, even in men with normospermia, and therefore, thiol-disulphide homoeostasis may be useful as an oxidative stress marker in men with varicocele.
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Affiliation(s)
- M Gul
- Department of Urology, Van Training and Research Hospital, University of Ministry of Health, Van, Turkey
| | - M S Bugday
- Department of Urology, Van Training and Research Hospital, University of Ministry of Health, Van, Turkey
| | - O Erel
- Department of Clinical Biochemistry, Yıldırım Beyazıt University School of Medicine, Ankara, Turkey
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Mancini A, Di Segni C, Bruno C, Olivieri G, Guidi F, Silvestrini A, Meucci E, Orlando P, Silvestri S, Tiano L, Pontecorvi A. Oxidative stress in adult growth hormone deficiency: different plasma antioxidant patterns in comparison with metabolic syndrome. Endocrine 2018; 59:130-136. [PMID: 29143180 DOI: 10.1007/s12020-017-1468-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 11/02/2017] [Indexed: 01/13/2023]
Abstract
BACKGROUND AND AIMS Growth hormone deficiency (GHD) is a condition associated with increased cardiovascular risk and insulin-resistance. Oxidative stress (OS) could be a mechanism underlying both these phenomena. In order to investigate plasma antioxidant defenses in such condition, we evaluated adults with GHD, compared with controls and metabolic syndrome patients (MetS), studying plasma total antioxidant capacity (TAC) and coenzyme Q10 (CoQ10, lipophilic antioxidant) levels, both in its oxidized and reduced forms, correlating this data with metabolic and hormonal pattern. MATERIALS AND METHODS In this case-control study, 51 GHD, 36 controls, and 35 MetS were enrolled. An evaluation of hormonal and metabolic parameters was performed. TAC was measured using the system metmyoglobin -H202 and the chromogen ABTS, whose radical form is spectroscopically revealed; latency time (LAG) in the appearance of ABTS● is proportional to antioxidant in sample. CoQ10 was assayed by electrochemical method. RESULTS Despite HOMA index was higher in both GHD and MetS (2.2 ± 0.3 and 3.1 ± 0.3 vs. 1.2 ± 0.2 in controls), only in MetS we observed lower LAG levels (64.5 ± 3.1 s vs. 82.8 ± 5.8 in GHD and 80.6 ± 6.6 in controls), suggesting an increased consumption of antioxidants. LAG significantly correlated with uric acid only in MetS (r 2 = 0.65, p < 0.001), suggesting a different pattern of antioxidants. CoQ10 exhibited a trend toward lower levels in GHD, although not significant. CONCLUSIONS Our data indicate that GHD, although sharing with MetS various metabolic features, including increased HOMA levels, showed a different pattern of plasma antioxidants, suggesting inadequate reactivity toward radical production rather than an antioxidants consumption as in MetS.
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Affiliation(s)
- Antonio Mancini
- Operative Unit of Endocrinology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy.
| | - Chantal Di Segni
- Operative Unit of Endocrinology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy
| | - Carmine Bruno
- Operative Unit of Endocrinology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy
| | - Giulio Olivieri
- Operative Unit of Endocrinology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy
| | - Francesco Guidi
- Department of Obstetrics and Gynecology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy
| | - Andrea Silvestrini
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo F. Vito 1, Rome, 00168, Italy.
| | - Elisabetta Meucci
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo F. Vito 1, Rome, 00168, Italy
| | - Patrick Orlando
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, Ancona, 60131, Italy
| | - Sonia Silvestri
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, Ancona, 60131, Italy
| | - Luca Tiano
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, Ancona, 60131, Italy
| | - Alfredo Pontecorvi
- Operative Unit of Endocrinology, Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, 00168, Italy
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Abdelbaki SA, Sabry JH, Al-Adl AM, Sabry HH. The impact of coexisting sperm DNA fragmentation and seminal oxidative stress on the outcome of varicocelectomy in infertile patients: A prospective controlled study. Arab J Urol 2017; 15:131-139. [PMID: 29071142 PMCID: PMC5653613 DOI: 10.1016/j.aju.2017.03.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 02/06/2017] [Accepted: 03/01/2017] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVES To study the relationship between sperm DNA fragmentation (SDF) and reactive oxygen species (ROS) levels in infertile patients with varicocele, and to examine the beneficial effect of varicocelectomy and elucidate predictors of improvement after repair. PATIENTS SUBJECTS AND METHODS We prospectively studied 60 patients with varicocele and abnormal semen variables who attended the outpatient clinic complaining of infertility for ≥12 months. In all, 25 patients (41.7%) had bilateral varicoceles and 35 (58.3%) had left varicoceles. The DNA fragmentation index (DFI%, percentage of sperm with denatured nuclei), ROS and total non-enzymatic antioxidant capacity (TAC) were measured. Inguinal varicocelectomy was performed in all patients. At 3-6 months postoperatively, all measurements were repeated. A control group, comprised of 20 normozoospermic fertile men, was included. Regression analysis was used to examine predictors of improvement. RESULTS The mean (SD) DFI% in the 60 infertile patients with varicocele was 29.9 (8.3) and 7.56 (2.84)% in the controls; ROS levels were 4.49 (0.9) in patients and 2.62 (0.8) photons/min in controls; and the TAC was 0.97 (0.4) in patients and 1.5 (0.5) mM in controls; with highly significant differences between the patients and controls. The DFI% showed a positive correlation with ROS levels, whilst the total motile sperm count (TMSC) had a significant negative correlation with DFI%, ROS levels and grade of varicocele, whilst there was significant positive correlation with TAC. The grade of varicocele and duration of infertility were related to the presence of higher levels of ROS and increased of DFI%. Postoperatively, improvement (measured as a >50% increase in TMSC) occurred in 40 of 55 (73%) patients available at follow-up, with a significant reduction in the mean (SD) DFI% from 29.49 (8.58) to 18.78 (7.23)%, ROS levels from 4.49 (0.88) to 3.27 (1.3) photons/min (both P < 0.001), and a significant increase in the mean (SD) TAC from 1.01 (0.44) to 2.05 (0.51) mM (P < 0.001). Responders had a shorter infertility duration and lower preoperative DFI% and ROS levels. Regression analysis showed that DFI% is a predictor of improvement after varicocelectomy. CONCLUSION SDF was shown to have a negative impact on improvement after varicocelectomy. Hence, DFI% could be recommended as a prognostic test in infertile patients with varicocele to help decision-making as regards the necessity and the anticipated outcome of varicocelectomy in patients with infertility.
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Key Words
- AO, acridine orange
- DFI%, DNA fragmentation index, percentage of sperm with denatured nuclei
- Infertility
- LH, luteinising hormone
- NO, nitric oxide
- Oxidative stress
- PBS, phosphate-buffered saline
- ROS, reactive oxygen species
- SCSA, sperm chromatin structure assay
- SDF, sperm DNA fragmentation
- Sperm DNA damage
- TAC, total antioxidant capacity
- TMSC, total motile sperm count
- Varicocele
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Affiliation(s)
| | - Jehan H. Sabry
- Clinical and Chemical Pathology Department, Benha University, Benha, Egypt
| | - Ahmed M. Al-Adl
- Urology Department, Benha University, Benha, Egypt
- Corresponding author at: Urology Department, Benha Faculty of Medicine, 15 Al-Tahreer St., Qalubeya, Benha, Egypt.Urology DepartmentBenha Faculty of Medicine15 Al-Tahreer St.QalubeyaBenhaEgypt
| | - Hanan H. Sabry
- Dermatology, Venereology and Andrology Department, Benha University, Benha, Egypt
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Hajizadeh Maleki B, Tartibian B, Chehrazi M. The effects of three different exercise modalities on markers of male reproduction in healthy subjects: a randomized controlled trial. Reproduction 2017; 153:157-174. [DOI: 10.1530/rep-16-0318] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 11/02/2016] [Accepted: 11/10/2016] [Indexed: 12/16/2022]
Abstract
The aim of this study was to investigate the effects of moderate-intensity continuous training (MICT), high-intensity continuous training (HICT) and high-intensity interval training (HIIT) on markers of male reproduction including seminal markers of oxidative stress and inflammation as well as semen quality and sperm DNA integrity in healthy human subjects. A total of 397 healthy male volunteers were screened and 280 were randomly assigned to one of the MICT (n = 70), HICT (n = 70), HIIT (n = 70) and non-exercise (NON-EX, n = 70) groups. Subjects had inflammatory markers (IL-1β, IL-6, IL-8 and TNF-α), oxidants (ROS, MDA and 8-isoprostane), antioxidants (SOD, catalase and TAC), semen parameters and sperm DNA damage measured at baseline (T1), the end of week 12 (T2), the end of week 24 (T3), and 7 (T4) and 30 days (T5) after training. Chronic MICT, HICT and HIIT attenuated seminal markers of oxidative stress and inflammation with different kinetics for the three types of exercise (P < 0.05), and these changes were correlated with favorable improvements in semen quality parameters and sperm DNA integrity (P < 0.05). MICT was superior to HICT and HIIT in the improvements of markers of male reproductive function (P < 0.05). In conclusion, different exercise modalities favorably affect markers of male reproduction with different kinetics, suggesting intensity-, duration- and type-dependent adaptations to exercise training in healthy human subjects.
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Balercia G, Mancini A, Tirabassi G, Pontecorvi A. Coenzyme Q10 in Male Infertility. ANTIOXIDANTS IN ANDROLOGY 2017. [DOI: 10.1007/978-3-319-41749-3_4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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14
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Ajina T, Sallem A, Haouas Z, Mehdi M. Total antioxidant status and lipid peroxidation with and without in vitro zinc supplementation in infertile men. Andrologia 2016; 49. [PMID: 27686342 DOI: 10.1111/and.12703] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2016] [Indexed: 11/29/2022] Open
Abstract
The aim of this study was to assess the total antioxidant capacity (TAC) and malondialdehyde (MDA) level in infertile men with asthenozoospermia and asthenoteratozoospermia compared to fertile donors, and to examine the effect of zinc on sperm lipid peroxidation and antioxidant status in infertile and fertile men. Semen samples provided by infertile men (n = 38) and fertile donors (controls; n = 12) were exposed to 6 mmol/L of zinc for 2 hr at 37°C. After semen analysis, lipid peroxidation was detected by MDA assay and seminal TAC was assessed by colorimetric method using TAS (total antioxidant status) Kit. TAC was significantly lower in infertile group compared to controls (p = .037). However, lipid peroxidation did not alter in infertile patients compared to controls (p > .05). After in vitro incubation of samples with zinc, a significant increase in TAC level was found only in infertile men (p < .001). Meanwhile, zinc had no effect on sperm lipid peroxidation in both fertile and infertile men (p > .05). Our data indicate that antioxidant treatment based on zinc in vitro supplementation may be helpful to enhance the rate of seminal antioxidant status in infertile men; however, it does not prevent sperm lipid peroxidation.
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Affiliation(s)
- T Ajina
- Histology-Embryology Laboratory, Faculty of Medicine, Monastir, Tunisia
| | - A Sallem
- Histology-Embryology Laboratory, Faculty of Medicine, Monastir, Tunisia.,Cytogenetic and Reproductive Biology Department, Fattouma Bourguiba Teaching Hospital, Monastir, Tunisia
| | - Z Haouas
- Histology-Embryology Laboratory, Faculty of Medicine, Monastir, Tunisia
| | - M Mehdi
- Histology-Embryology Laboratory, Faculty of Medicine, Monastir, Tunisia.,Cytogenetic and Reproductive Biology Department, Fattouma Bourguiba Teaching Hospital, Monastir, Tunisia
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Ni K, Steger K, Yang H, Wang H, Hu K, Zhang T, Chen B. A comprehensive investigation of sperm DNA damage and oxidative stress injury in infertile patients with subclinical, normozoospermic, and astheno/oligozoospermic clinical varicocoele. Andrology 2016; 4:816-24. [PMID: 27218783 DOI: 10.1111/andr.12210] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 04/03/2016] [Accepted: 04/05/2016] [Indexed: 11/30/2022]
Affiliation(s)
- K. Ni
- Department of Urology; Shanghai Institute of Andrology; Renji Hospital; Shanghai Jiaotong University School of Medicine; Shanghai China
- Department of Urology; Pediatric Urology and Andrology; Section Molecular Andrology; Justus Liebig University Giessen; Giessen Germany
| | - K. Steger
- Department of Urology; Pediatric Urology and Andrology; Section Molecular Andrology; Justus Liebig University Giessen; Giessen Germany
| | - H. Yang
- Department of Assisted Reproductive medicine; Shanghai First Maternity and Infant Hospital; Tongji University School of Medicine; Shanghai China
| | - H. Wang
- Department of Urology; Shanghai Institute of Andrology; Renji Hospital; Shanghai Jiaotong University School of Medicine; Shanghai China
| | - K. Hu
- Department of Urology; Shanghai Institute of Andrology; Renji Hospital; Shanghai Jiaotong University School of Medicine; Shanghai China
| | - T. Zhang
- Department of Urology; Shanghai Institute of Andrology; Renji Hospital; Shanghai Jiaotong University School of Medicine; Shanghai China
| | - B. Chen
- Department of Urology; Shanghai Institute of Andrology; Renji Hospital; Shanghai Jiaotong University School of Medicine; Shanghai China
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Sabeti P, Pourmasumi S, Rahiminia T, Akyash F, Talebi AR. Etiologies of sperm oxidative stress. Int J Reprod Biomed 2016. [DOI: 10.29252/ijrm.14.4.231] [Citation(s) in RCA: 109] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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17
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Associations between oxidative stress biomarkers in different body fluids and reproductive parameters in male partners of subfertile couples. Rev Int Androl 2016. [DOI: 10.1016/j.androl.2016.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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18
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Hajizadeh Maleki B, Tartibian B, Mooren FC, Yaghoob Nezhad F, Yaseri M. Saffron supplementation ameliorates oxidative damage to sperm DNA following a 16-week low-to-intensive cycling training in male road cyclists. J Funct Foods 2016. [DOI: 10.1016/j.jff.2015.11.048] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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19
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Mancini A, Martorana GE, Magini M, Festa R, Raimondo S, Silvestrini A, Nicolotti N, Mordente A, Mele MC, Miggiano GAD, Meucci E. Oxidative stress and metabolic syndrome: Effects of a natural antioxidants enriched diet on insulin resistance. Clin Nutr ESPEN 2015; 10:e52-e60. [PMID: 28531459 DOI: 10.1016/j.clnesp.2014.11.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2014] [Revised: 11/12/2014] [Accepted: 11/29/2014] [Indexed: 01/11/2023]
Abstract
BACKGROUND & AIMS Oxidative stress (OS) could play a role in metabolic syndrome-related manifestations contributing to insulin resistance (IR). The aim of the present study was to gain insight the relationships between OS, IR and other hormones involved in caloric balance, explaining the effects of a natural antioxidant-enriched diet in patients affected by metabolic syndrome. METHODS We investigated the effects of dietary antioxidants on IR, studying 53 obese (20 males and 33 females, 18-66 years old, BMI 36.3 ± 5.5 kg/m2), with IR evaluated by Homeostasis Model Assessment (HOMA)-index, comparing 4 treatments: hypocaloric diet alone (group A) or plus metformin 1000 mg/daily (group B), natural antioxidants-enriched hypocaloric diet alone (group C) or plus metformin (group D). A personalized program, with calculated antioxidant intake of 800-1000 mg/daily, from fruit and vegetables, was administered to group C and D. The glycemic and insulinemic response to oral glucose load, and concentrations of total-, LDL- and HDL-cholesterol, triglycerides, uric acid, C reactive protein, fT3, fT4, TSH, insulin-like growth factor 1 were evaluated before and after 3-months. Plasma Total antioxidant capacity was determined by H2O2-metmyoglobin system, which interacting with the chromogen ABTS generates a radical with latency time (LAG) proportional to antioxidant content. RESULTS Despite a similar BMI decrease, we found a significant decrease of HOMA and insulin peak only in group B and D. Insulin response (AUC) showed the greatest decrease in group D (25.60 ± 8.96%) and was significantly lower in group D vs B. No differences were observed in glucose response, lipid metabolism and TAC (expressed as LAG values). TSH values were significantly suppressed in group D vs B. CONCLUSIONS These data suggest that dietary antioxidants ameliorate insulin-sensitivity in obese subjects with IR by enhancing the effect of insulin-sensitizing drugs albeit with molecular mechanisms which remain yet to be elucidated.
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Affiliation(s)
- Antonio Mancini
- Dept. of Medical Sciences, Division of Endocrinology, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Giuseppe Ettore Martorana
- Dept of Laboratory Medicine, Dietetic Service, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy; Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Marinella Magini
- Dept of Laboratory Medicine, Dietetic Service, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Roberto Festa
- Dept. of Clinical and Molecular Science, Polytechnic University of Marche, Piazza Roma, 22, 60121 Ancona, Italy.
| | - Sebastiano Raimondo
- Dept. of Medical Sciences, Division of Endocrinology, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Andrea Silvestrini
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Nicola Nicolotti
- Institute of Hygiene, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy; Dept. of Epidemiology and Preclinical Research L. Spallanzani, National Institute for Infectious Disease (INMI), IRCCS, Via Barberini, 3, 00187 Rome, Italy.
| | - Alvaro Mordente
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Maria Cristina Mele
- Dept of Laboratory Medicine, Dietetic Service, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy; Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Giacinto Abele Donato Miggiano
- Dept of Laboratory Medicine, Dietetic Service, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy; Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Elisabetta Meucci
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
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Thyroid hormones and antioxidant systems: focus on oxidative stress in cardiovascular and pulmonary diseases. Int J Mol Sci 2013; 14:23893-909. [PMID: 24351864 PMCID: PMC3876084 DOI: 10.3390/ijms141223893] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Revised: 11/11/2013] [Accepted: 11/21/2013] [Indexed: 12/30/2022] Open
Abstract
In previous works we demonstrated an inverse correlation between plasma Coenzyme Q10 (CoQ10) and thyroid hormones; in fact, CoQ10 levels in hyperthyroid patients were found among the lowest detected in human diseases. On the contrary, CoQ10 is elevated in hypothyroid subjects, also in subclinical conditions, suggesting the usefulness of this index in assessing metabolic status in thyroid disorders. A Low-T3 syndrome is a condition observed in several chronic diseases: it is considered an adaptation mechanism, where there is a reduction in pro-hormone T4 conversion. Low T3-Syndrome is not usually considered to be corrected with replacement therapy. We review the role of thyroid hormones in regulation of antioxidant systems, also presenting data on total antioxidant capacity and Coenzyme Q10. Published studies suggest that oxidative stress could be involved in the clinical course of different heart diseases; our data could support the rationale of replacement therapy in low-T3 conditions.
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Festa R, Giacchi E, Raimondo S, Tiano L, Zuccarelli P, Silvestrini A, Meucci E, Littarru GP, Mancini A. Coenzyme Q10supplementation in infertile men with low-grade varicocele: an open, uncontrolled pilot study. Andrologia 2013; 46:805-7. [DOI: 10.1111/and.12152] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/25/2013] [Indexed: 11/27/2022] Open
Affiliation(s)
- R. Festa
- Department of Molecular and Clinical Sciences; Polytechnic University of Marche; Ancona Italy
| | - E. Giacchi
- Center for Study and Research on Natural Fertility Regulation; Catholic University; Rome Italy
| | - S. Raimondo
- Department of Internal Medicine; Division of Endocrinology; Catholic University; Rome Italy
| | - L. Tiano
- Department of Clinical and Dental Sciences; Polytechnic University of Marche; Ancona Italy
| | - P. Zuccarelli
- Department of Internal Medicine; Division of Endocrinology; Catholic University; Rome Italy
| | - A. Silvestrini
- Institute of Biochemistry and Clinical Biochemistry; Catholic University; Rome Italy
| | - E. Meucci
- Institute of Biochemistry and Clinical Biochemistry; Catholic University; Rome Italy
| | - G. P. Littarru
- Department of Clinical and Dental Sciences; Polytechnic University of Marche; Ancona Italy
| | - A. Mancini
- Department of Internal Medicine; Division of Endocrinology; Catholic University; Rome Italy
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22
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Hajizadeh Maleki B, Tartibian B, Eghbali M, Asri-Rezaei S. Comparison of seminal oxidants and antioxidants in subjects with different levels of physical fitness. Andrology 2013; 1:607-14. [DOI: 10.1111/j.2047-2927.2012.00023.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Accepted: 09/04/2012] [Indexed: 11/30/2022]
Affiliation(s)
- B. Hajizadeh Maleki
- Department of Exercise Physiology; Faculty of Physical Education and Sport Science; Urmia University; Urmia; Iran
| | - B. Tartibian
- Department of Exercise Physiology; Faculty of Physical Education and Sport Science; Urmia University; Urmia; Iran
| | - M. Eghbali
- Department of Clinical Science; Faculty of Veterinary Medicine; Urmia University; Urmia; Iran
| | - S. Asri-Rezaei
- Department of Clinical Science; Faculty of Veterinary Medicine; Urmia University; Urmia; Iran
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Mancini A, Raimondo S, Persano M, Di Segni C, Cammarano M, Gadotti G, Silvestrini A, Pontecorvi A, Meucci E. Estrogens as antioxidant modulators in human fertility. Int J Endocrinol 2013; 2013:607939. [PMID: 24363671 PMCID: PMC3863713 DOI: 10.1155/2013/607939] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 10/28/2013] [Accepted: 10/28/2013] [Indexed: 11/30/2022] Open
Abstract
Among treatments proposed for idiopathic male infertility, antiestrogens, like tamoxifen, play a possible role. On the other hand, oxidative stress is a mechanism well recognized for deleterious effects on spermatozoa function. After reviewing the literature on the effects of estrogens in modulation of antioxidant systems, in both sexes, and in different in vivo and in vitro models, we suggest, also on the basis of personal data, that a tamoxifen treatment could be active via an increase in seminal antioxidants.
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Affiliation(s)
- A. Mancini
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
- *A. Mancini:
| | - S. Raimondo
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
| | - M. Persano
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
| | - C. Di Segni
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
| | - M. Cammarano
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
| | - G. Gadotti
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
| | - A. Silvestrini
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Rome, Italy
| | - A. Pontecorvi
- Division of Endocrinology, Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
| | - E. Meucci
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of the Sacred Heart, Rome, Italy
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Hamada A, Esteves SC, Agarwal A. Insight into oxidative stress in varicocele-associated male infertility: part 2. Nat Rev Urol 2012; 10:26-37. [PMID: 23165400 DOI: 10.1038/nrurol.2012.198] [Citation(s) in RCA: 114] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Varicocele, the leading cause of male infertility, can impair spermatogenesis through several pathophysiological mechanisms. Of these, current evidence suggests that oxidative stress is the central element contributing to infertility in men with varicocele, to which the testis responds by way of heat stress, ischaemia or production of vasodilators, such as nitric oxide. Surgical varicocele repair (varicocelectomy) is beneficial not only for alleviating oxidative stress-associated infertility, but also for preventing and protecting against the progressive character of varicocele and its consequent upregulations of systemic oxidative stress. However, antioxidant therapy in infertile men with surgically treated and those with untreated varicocele is poorly studied, and well-designed trials are needed.
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Affiliation(s)
- Alaa Hamada
- Center for Reproductive Medicine, Glickman Urological and Kidney Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44195, USA
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Camargo M, Lopes PI, Del Giudice PT, Carvalho VM, Cardozo KHM, Andreoni C, Fraietta R, Bertolla RP. Unbiased label-free quantitative proteomic profiling and enriched proteomic pathways in seminal plasma of adult men before and after varicocelectomy. Hum Reprod 2012; 28:33-46. [DOI: 10.1093/humrep/des357] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Correlation between seminal oxidative stress biomarkers and antioxidants with sperm DNA damage in elite athletes and recreationally active men. Clin J Sport Med 2012; 22:132-9. [PMID: 22246344 DOI: 10.1097/jsm.0b013e31823f310a] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To evaluate the seminal plasma 8-isoprostane, reactive oxygen species (ROS), malondialdehyde (MDA), superoxide dismutase (SOD), catalase, total antioxidant capacity (TAC), and levels of sperm DNA fragmentation in elite athletes and recreationally active men. DESIGN Prospective design was used for this study. SETTING The study was performed in the Exercise Physiology Laboratory of the Urmia University. PARTICIPANTS Fifty-six elite athletes and 52 recreationally active men (18-28 years) participated in this study. INTERVENTION All subjects had a semen sampling at baseline. MAIN OUTCOME MEASURES Total antioxidant capacity and SOD activity were measured by colorimetric assay. Levels of ROS were measured by a chemiluminescence assay. Malondialdehyde levels were measured by thiobarbituric acid reactive substance assay. Catalase activity was measured by monitoring the initial rate of disappearance of hydrogen peroxide. Concentration of free 8-isoprostane was measured by enzyme immunoassay method. Sperm DNA fragmentation was evaluated with the terminal deoxynucleotidyl transferase-mediated fluorescein dUTP nick end-labeling assay. RESULTS Recreationally active men have significantly higher levels of body fat, seminal SOD, TAC, and catalase and lower levels of V[Combining Dot Above]O2max, seminal ROS, MDA, and 8-isoprostane and subsequently lower rate of sperm DNA fragmentation when compared with elite athletes (P < 0.001). Significantly negative correlation was observed between sperm DNA fragmentation with body fat, seminal SOD, catalase, and TAC levels (P < 0.001). Significantly positive correlation was observed between sperm DNA fragmentation with V[Combining Dot Above]O2max, seminal 8-isoprostane, ROS, and MDA levels (P < 0.001). CONCLUSION Spermatozoa from recreationally active men may be less susceptible to oxidative stress-induced DNA damage and hence infertility.
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Sperm caspase-9 in oligoasthenoteratozoospermic men with and without varicocele. Fertil Steril 2011; 96:1097-9. [PMID: 21868008 DOI: 10.1016/j.fertnstert.2011.08.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Revised: 08/02/2011] [Accepted: 08/02/2011] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To assess sperm caspase-9 activity in infertile oligoasthenoteratozoospermic (OAT) men with and without varicocele. DESIGN Prospective. SETTING Academic setting. PATIENT(S) Eighty men: healthy fertile control subjects (n = 20), OAT (n = 25), and OAT associated with left-side varicocele (n = 35). INTERVENTION(S) History taking, clinical examination, semen analysis,assessment of seminal caspase-9. MAIN OUTCOME MEASURE(S) Semen analysis, sperm caspase-9. RESULT(S) Sperm caspase-9 was significantly increased in infertile OAT men associated with varicocele compared with OAT men without varicocele and healthy fertile control subjects. Sperm casapse-9 activity demonstrated significant negative correlation with sperm count, sperm motility, sperm velocity, sperm linear velocity, sperm linearity index, and sperm normal morphology. CONCLUSION(S) Sperm caspase-9 is exaggerated in infertile OAT cases with varicocele compared with infertile OAT cases without varicocele or healthy fertile men. Sperm caspase-9 demonstrated significant negative correlation with semen variables.
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Biochemical alterations in semen of varicocele patients: a review of the literature. Adv Urol 2011; 2012:903931. [PMID: 21915179 PMCID: PMC3170887 DOI: 10.1155/2012/903931] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 07/08/2011] [Accepted: 07/08/2011] [Indexed: 01/15/2023] Open
Abstract
Oxidative stress is a mechanism underlying different kinds of infertility in human males. However, different results can be observed in relation to the method used for its evaluation. Varicocele patients show a number of biochemical abnormalities, including an altered distribution of coenzyme Q between seminal plasma and sperm cells and also an apparent defect in the utilization of antioxidants. Moreover, an influence of systemic hormones on seminal antioxidant system was observed too. Finally, the effects of surgical treatment on oxidativestress indexes and the possible usefulness of some medical therapies, like coenzyme Q supplementation, are discussed. In conclusion, published data show a role of oxidative stress in varicocele-related male infertility, but at present we do not know the precise molecular mechanisms underlying these phenomena.
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Mancini A, Balercia G. Coenzyme Q(10) in male infertility: physiopathology and therapy. Biofactors 2011; 37:374-80. [PMID: 21989906 DOI: 10.1002/biof.164] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2011] [Accepted: 03/31/2011] [Indexed: 12/19/2022]
Abstract
Both the bioenergetic and the antioxidant role of CoQ(10) suggest a possible involvement in sperm biochemistry and male infertility. CoQ(10) can be quantified in seminal fluid, where its concentration correlates with sperm count and motility. It was found that distribution of CoQ(10) between sperm cells and seminal plasma was altered in varicocele patients, who also presented a higher level of oxidative stress and lower total antioxidant capacity. The effect of vericocelectomy on partially reversing these biochemical abnormalities is discussed. The redox status of coenzyme Q(10) in seminal fluid was also determined: an inverse correlation was found between ubiquinol/ubiquinone ratio and hydroperoxide levels and between this ratio and the percentage of abnormal sperm forms. After the first in vitro observations CoQ(10) was administered to infertile patients affected by idiopathic asthenozoospermia, originally in an open label study and then in three randomized placebo-controlled trials; doses were around 200-300 mg/day and treatment lasted 6 months. A significant increase in the concentration of CoQ(10) was found, both in seminal plasma and sperm cells. Treatment also led to a certain improvement in sperm motility. In one of the studies there was also a decrease in plasma levels of follicle stimulating horhone (FSH) and luteinizine horhone (LH). Administration of CoQ(10) may play a positive role in the treatment of asthenozoospermia, possibly related to not only to its function in the mitochondrial respiratory chain but also to its antioxidant properties. Further studies are needed in order to determine whether there is also an effect on fertility rate.
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Affiliation(s)
- Antonio Mancini
- Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy
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Gökçe A, Oktar S, Koc A, Yonden Z. Protective effects of thymoquinone against methotrexate-induced testicular injury. Hum Exp Toxicol 2010; 30:897-903. [DOI: 10.1177/0960327110382564] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Thymoquinone is the major active component derived from Nigella sativa. Methotrexate is a folic acid antagonist widely used in clinic. Aim of this study was to investigate the possible protective role of thymoquinone on testicular toxicity of methotrexate. Experiments were performed on male C57BL/6 mice (6 weeks old, 20 ± 2 g). The animals were divided into four groups with six mice in each group. Equivalent volumes of saline were injected intraperitoneally (i.p.) in the control group. In the thymoquinone group, mice received thymoquinone i.p. with a dose of 10 mg/kg/day for 4 days. Mice in the methotrexate group received single dose of methotrexate i.p., with a dose of 20 mg/kg. Finally, in the methotrexate plus thymoquinone group, in the first and the following 3 days after methotrexate administration, thymoquinone was injected with a dose of 10 mg/kg/day, i.p. At the end of the experiment, the left testis was quickly removed and divided into two parts for histological examination and biochemical analysis. Methotrexate alone increased total antioxidant capacity and myeloperoxidase activity compared to the controls. Thymoquinone treatment decreased total antioxidant capacity and prevented the increase in the myeloperoxidase activity. Light microscopy showed in mice that receiving methotrexate resulted in interstitial space dilatation, edema, severe disruption of the seminiferous epithelium and reduced diameter of the seminiferous tubules. Administration of thymoquinone reversed histological changes of methotrexate significantly. We suggest that thymoquinone use may decrease the destructive effects of methotrexate on testicular tissue of patients using this agent.
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Affiliation(s)
- Ahmet Gökçe
- Department of Urology, Mustafa Kemal University, Tayfur Ata Sökmen Medical School, Hatay, Turkey,
| | - Suleyman Oktar
- Department of Pharmacology, Mustafa Kemal University, Tayfur Ata Sökmen Medical School, Hatay, Turkey
| | - Ahmet Koc
- Department of Histology and Embryology, Faculty of Veterinary Medicine, Mustafa Kemal University, Hatay, Turkey
| | - Zafer Yonden
- Department of Biochemistry, Mustafa Kemal University, Tayfur Ata Sökmen Medical School, Hatay, Turkey
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Mancini A, Leone E, Silvestrini A, Festa R, Di Donna V, De Marinis L, Pontecorvi A, Littarru GP, Meucci E. Evaluation of antioxidant systems in pituitary-adrenal axis diseases. Pituitary 2010; 13:138-45. [PMID: 20012698 DOI: 10.1007/s11102-009-0213-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The role of adrenal steroids in antioxidant regulation is not known. Previously, we demonstrated some Coenzyme Q(10) (CoQ(10)) alterations in pituitary diseases, which can induce complex pictures due to alterations of different endocrine axes. Therefore we determined CoQ(10) and Total Antioxidant Capacity (TAC) in pituitary-dependent adrenal diseases: 6 subjects with ACTH-dependent adrenal hyperplasia (AH); 19 with secondary isolated hypoadrenalism (IH), 19 with associated hypothyroidism (multiple pituitary deficiencies, MPH). CoQ(10) was assayed by HPLC; TAC by the system metmyoglobin-H(2)O(2), which, interacting with the chromogenous 2,2(I)-azinobis-(3-ethylbenzothiazoline-6-sulphonate), generates a spectroscopically revealed radical compound after a latency time (Lag) proportional to the antioxidant content. CoQ(10) levels were significantly lower in IH than AH and MPH, with a similar trend when adjusted for cholesterol. Also TAC was lower in IH than in AH and MPH, suggesting that adrenal hormones can influence antioxidants. However, since thyroid hormones modulate CoQ(10) levels and metabolism, when thyroid deficiency coexists it seems to play a prevalent influence.
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Affiliation(s)
- A Mancini
- Catholic University of the Sacred Heart, Largo A. Gemelli 8, Rome, Italy.
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Mancini A, Festa R, Di Donna V, Leone E, Littarru GP, Silvestrini A, Meucci E, Pontecorvi A. Hormones and antioxidant systems: role of pituitary and pituitary-dependent axes. J Endocrinol Invest 2010; 33:422-33. [PMID: 20631494 DOI: 10.1007/bf03346615] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Oxidative stress, a condition defined as unbalancing between production of free radicals and antioxidant defenses, is an important pathogenetic mechanism in different diseases. Despite the abundant literature, many aspects of hormone role in regulating antioxidant synthesis and activity still remain obscure. Therefore, we reviewed experimental data, in vivo and in vitro, about the effects of the different pituitary- dependent axes on antioxidant levels, trying to give a broad view from hormones which also have antioxidant properties to the classic antioxidants, from the lipophilic antioxidant Coenzyme Q10, strictly related to thyroid function, to total antioxidant capacity, a measure of non-protein non-enzymatic antioxidants in serum and other biological fluids. Taken together, these data underline the importance of oxidative stress in various pituitary-dependent disorders, suggesting a possible clinical usefulness of antioxidant molecules.
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Affiliation(s)
- A Mancini
- Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy.
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33
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Sperm function and seminal oxidative stress as tools to identify sperm pathologies in infertile men. Fertil Steril 2010; 93:297-300. [DOI: 10.1016/j.fertnstert.2009.05.074] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2008] [Revised: 05/28/2009] [Accepted: 05/28/2009] [Indexed: 11/21/2022]
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Mancini A, Milardi D, Bianchi A, Festa R, Silvestrini A, De Marinis L, Pontecorvi A, Meucci E. Increased Total Antioxidant Capacity in Seminal Plasma of Varicocele Patients: A Multivariate Analysis. ACTA ACUST UNITED AC 2009; 53:37-42. [PMID: 17364464 DOI: 10.1080/01485010600840756] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
To investigate seminal antioxidant systems and their correlation with hormonal pattern in varicocele patients, we studied 33 varicocele (VAR) patients (12 oligozoospermic, 21 normozoospermic) and 34 non-VARs (10 idiopathic oligozoospermic, 24 normozoospermic). Non-enzymatic total antioxidant capacity (TAC) was measured using H(2)O(2)-metamyoglobin, which generates the radical form, spectroscopically detectable, of the chromogen 2,2',-azinobis-3-ethylbenzothiazoline-6-sulphonate (ABTS): time till appearance (Lag) of ABTS*(-) signifies antioxidant concentration. Lag was significantly longer in VARs than controls suggesting ineffective utilization of antioxidants. A significant direct correlation (r = 0.65, p < 0.01) of Lag with sperm count was observed in non-VARs, while in VARs it was inverted, as well as with hematic FSH levels. A multivariate analysis including FSH, Lag, progressive spermatozoa, oligozoospermia and varicocele indicated a strong inverse correlation between FSH and motility (r(2) = 0.31, p > F = 0.0007), not modified by Lag (r(2) = 0.31, p > F = 0.002). Their inverse correlation with Lag may suggest that higher FSH levels, improving sperm antioxidant efficiency, counterbalance varicocele-induced dyspermia.
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Affiliation(s)
- Antonio Mancini
- Institute of Internal Medicine, Operative Unit of Endocrinology, Catholic University of the Sacred Heart, Rome, Italy.
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35
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Balercia G, Mancini A, Paggi F, Tiano L, Pontecorvi A, Boscaro M, Lenzi A, Littarru GP. Coenzyme Q10 and male infertility. J Endocrinol Invest 2009; 32:626-32. [PMID: 19509475 DOI: 10.1007/bf03346521] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We had previously demonstrated that Coenzyme Q10 [(CoQ10) also commonly called ubiquinone] is present in well-measurable levels in human seminal fluid, where it probably exerts important metabolic and antioxidant functions; seminal CoQ10 concentrations show a direct correlation with seminal parameters (count and motility). Alterations of CoQ10 content were also shown in conditions associated with male infertility, such as asthenozoospermia and varicocele (VAR). The physiological role of this molecule was further clarified by inquiring into its variations in concentrations induced by different medical or surgical procedures used in male infertility treatment. We therefore evaluated CoQ10 concentration and distribution between seminal plasma and spermatozoa in VAR, before and after surgical treatment, and in infertile patients after recombinant human FSH therapy. The effect of CoQ10 on sperm motility and function had been addressed only through some in vitro experiments. In two distinct studies conducted by our group, 22 and 60 patients affected by idiopathic asthenozoospermia were enrolled, respectively. CoQ10 and its reduced form, ubiquinol, increased significantly both in seminal plasma and sperm cells after treatment, as well as spermatozoa motility. A weak linear dependence among the relative variations, at baseline and after treatment, of seminal plasma or intracellular CoQ10, ubiquinol levels and kinetic parameters was found in the treated group. Patients with lower baseline value of motility and CoQ10 levels had a statistically significant higher probability to be responders to the treatment. In conclusion, the exogenous administration of CoQ10 increases both ubiquinone and ubiquinol levels in semen and can be effective in improving sperm kinetic features in patients affected by idiopathic asthenozoospermia.
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Affiliation(s)
- G Balercia
- Endocrinology, Andrology Unit, Department of Clinical Medicine and Applied Biotechnologies, Polytechnic University of Marche, Umberto I Hospital, Ancona, Italy.
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Mostafa T, Anis T, Imam H, El-Nashar AR, Osman IA. Seminal reactive oxygen species-antioxidant relationship in fertile males with and without varicocele. Andrologia 2009; 41:125-9. [PMID: 19260850 DOI: 10.1111/j.1439-0272.2008.00900.x] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to assess seminal reactive oxygen species (ROS)-antioxidants relationship in fertile and infertile men with and without varicocele. One hundred and seventy six males were studied; fertile healthy volunteers (n = 45), fertile men with varicocele (n = 45), infertile oligoasthenozoospermia (OA, n = 44) without varicocele and infertile OA with varicocele (n = 42). In their seminal plasma, two ROS parameters (malondialdehyde, hydrogen peroxide) and five antioxidants (superoxide dismutase, catalase, glutathione peroxidase, vitaminE, vitaminC) were estimated. Compared with fertile healthy men, in all other studied groups, estimated seminal ROS were significantly higher and estimated antioxidants were significantly lower. Infertile men with varicocele showed the same relationship as infertile men without varicocele. Sperm concentration, total sperm motility as well as sperm normal forms were negatively correlated with seminal malondialdehyde and were positively correlated with vitaminC. It is concluded that varicocele has an oxidative stress (OS) in fertile normozoospermic bearing conditions. This may allow understanding that, within men with varicocele, there is a threshold value of OS over which male fertility may be impaired.
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Affiliation(s)
- T Mostafa
- Andrology & Sexology Department, Cairo University, Egypt.
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37
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Seminal plasma total antioxidant capacity and semen parameters in patients with varicocele. Reprod Biomed Online 2009; 18:617-21. [DOI: 10.1016/s1472-6483(10)60004-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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38
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Mancini A, Leone E, Festa R, Grande G, Di Donna V, De Marinis L, Pontecorvi A, Tacchino RM, Littarru GP, Silvestrini A, Meucci E. Evaluation of antioxidant systems (coenzyme Q10 and total antioxidant capacity) in morbid obesity before and after biliopancreatic diversion. Metabolism 2008; 57:1384-9. [PMID: 18803943 DOI: 10.1016/j.metabol.2008.05.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2007] [Accepted: 05/23/2008] [Indexed: 10/21/2022]
Abstract
Biliopancreatic diversion (BPD) is a surgical procedure performed in patients with untreatable obesity and insulin resistance. The demonstrated metabolic and hormonal results of this procedure include the reversal of insulin resistance; an increase in diet-induced thermogenesis; and modifications of gut hormones, such as gastrin, enteroglucagon, neurotensin, and cholecystokinin. On the other hand, obesity is a condition of increased oxidative stress; however, few studies have investigated antioxidant systems in obese persons with BPD. To evaluate the metabolic status and antioxidant systems in such patients, we studied a group of 11 morbidly obese patients, aged 28 to 62 years, with a mean body mass index (BMI) of 54.71 +/- 2.52 kg/m(2), before and after successful BPD (mean post-BPD BMI, 44.68 +/- 1.51 kg/m(2)). A control group composed of 10 slightly overweight women, with a mean BMI of 28.5 +/- 0.72 kg/m(2), was also studied. Coenzyme Q(10) (CoQ(10)) levels (also normalized for cholesterol levels) and total antioxidant capacity in blood plasma were assessed in these populations. The most striking datum was the extremely low level of CoQ(10) in postoperative period (0.34 +/- 0.16 vs 0.66 +/- 0.09 mug/mL, P = .04); also, the data corrected for cholesterol levels presented the same pattern, with a more marked significance (152.46 +/- 11.13 vs 186.4 +/- 17.98 nmol/mmol, P = .001). This could be due to lipid malabsorption after surgery. In fact, the pre-BPD data present all the metabolic and hormonal characteristics of severe obesity; and after BPD, there was a net improvement in the metabolic parameters. The first pathophysiologic phenomenon seems to be lipid malabsorption that has been argued to be the cause of insulin resistance reversion. This metabolic interpretation is also confirmed by the absence of significant variations of total antioxidant capacity (57.5 +/- 5.3 vs 66 +/- 5.3). The mechanisms of these phenomena remain to be established. These data suggest the importance of correcting postsurgical metabolic complications, in these clinical populations, with CoQ(10) supplementation.
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Affiliation(s)
- Antonio Mancini
- Endocrinology, Catholic University of the Sacred Heart, 00135 Rome, Italy.
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39
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Fischietti G, Di Crosta G. Effects of surgery, medical therapy and combined therapeutical approach on spermatogenesis in patients suffering from varicocele: a prospective and comparative analysis. Urologia 2008. [DOI: 10.1177/039156030807500106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The definite mechanisms through which varicocele affects spermatogenesis are still not completely understood, and consequently the exact role of the various approaches available for its treatment is still under debate. In this study a comparison of medical treatment, surgery and combined approach is reported. Material and Methods. The study was conducted as a prospective evaluation of 189 patients suffering from varicocele and oligoasthenospermia. Patients were randomized in three groups on the basis of the different therapeutic approach: group A, treated only with varicocelectomy; group B, treated with varicocelectomy associated with hormonal therapy; group C, treated only with hormonal therapy. Randomization criteria were based on patient's preference. Spermiogram tests were carried out at baseline and after 3, 6 and 12 months from therapy. Results. Our results show that patients undergoing a combined therapeutical approach (surgery associated with hormonal therapy) and medical therapy alone achieve a greater improvement of seminal parameters than patients treated by surgery only. Conclusion. Data reported in this study are in accordance with Literature review. Furthermore, the association between varicocelectomy and early use of hormonal therapy seems to improve testis functional rehabilitation with a early evidence of sperm parameters improvement. In the light of these results of ours, we should conclude that surgical treatment is not effective for the spermatogenesis improvement.
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Affiliation(s)
- G. Fischietti
- Istituto di Urologia, Università “La Sapienza”, Polo Pontino (Latina)
| | - G. Di Crosta
- Istituto di Urologia, Università “La Sapienza”, Polo Pontino (Latina)
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40
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Khosrowbeygi A, Zarghami N. Levels of oxidative stress biomarkers in seminal plasma and their relationship with seminal parameters. BMC Clin Pathol 2007; 7:6. [PMID: 17540046 PMCID: PMC1906821 DOI: 10.1186/1472-6890-7-6] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2006] [Accepted: 06/01/2007] [Indexed: 01/24/2023] Open
Abstract
Background There is growing evidence that damage to spermatozoa by reactive oxygen species (ROS) play a key role in male infertility. The aim of the present study was to assess seminal plasma levels of total antioxidant capacity (TAC), free 8-Isoprostane and activities of catalase and superoxide dismutase (SOD) in men with asthenozoospermia, asthenoteratozoospermia and oligoasthenoteratozoospermia compared with normozoospermic males. Methods The patients consisted of 46 men with seminal parameters abnormalities. The patients were grouped into asthenozoospermic (n = 15), asthenoteratozoospermic (n = 16) and oligoasthenoteratozoospermic (n = 15). The control group consisted of 16 healthy males with normozoospermia. Catalase activity was measured by Aebi spectrophotometeric method. Levels of TAC and SOD were measured by commercially available colorimetric assays. Level of free 8-Isoprostane was assessed by commercially available enzyme immunoassay (EIA) method. Differences between groups were assessed using Mann-Whitney U test and Kruskal-Wallis test. Coefficients of correlation were calculated using Spearman's correlation analysis. All hypothesis tests were two-tailed with statistical significance assessed at the p value < 0.05 level with 95% confidence intervals Results Levels of catalase and TAC were significantly lower in patients than the control group. No significant changes were seen in SOD activities. Levels of free 8-Isoprostane were significantly higher in patients than the control group. Furthermore, asthenozoospermic, asthenoteratozoospermic and oligoasthenoteratozoospermic groups had significantly lower values of catalase activity and TAC when compared to normozoospermic males. Levels of free 8-Isoprostane were significantly higher in all patients subgroups than the control group. Levels of catalase and TAC were positively correlated with sperm motility and morphology. Free 8-Isoprostane levels showed an inverse correlation with sperm motility and morphology. Conclusion Decreasing seminal plasma antioxidants levels, especially catalase and TAC, could have significant role in etiology of impaired sperm function. Measurement of 8-Isoprostane may be used as a specific biomarker for assessing oxidative stress on sperm.
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Affiliation(s)
- Ali Khosrowbeygi
- Department of Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Nosratollah Zarghami
- Department of Radio Pharmacy, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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41
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Buffone MG, Brugo-Olmedo S, Calamera JC, Verstraeten SV, Urrutia F, Grippo L, Corbetta JP, Doncel GF. Decreased protein tyrosine phosphorylation and membrane fluidity in spermatozoa from infertile men with varicocele. Mol Reprod Dev 2006; 73:1591-9. [PMID: 16897700 DOI: 10.1002/mrd.20611] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Varicocele is a prevalent pathology among infertile men. The mechanisms linking this condition to infertility, however, are poorly understood. Our previous work showed a relationship between sperm functional quality and the ability of spermatozoa to respond to capacitating conditions with increased membrane fluidity and protein tyrosine phosphorylation. Given the reported association between varicocele, oxidative stress, and sperm dysfunction, we hypothesized that spermatozoa from infertile patients with varicocele might have a combined defect at the level of membrane fluidity and protein tyrosine phosphorylation. Semen samples from infertile patients with and without grade II/III left varicocele were evaluated for motion parameters (computer-assisted semen analysis [CASA]), hyperactivation (CASA), incidence and intensity of protein tyrosine phosphorylation (phosphotyrosine immunofluorescence and western blotting), and membrane fluidity (Laurdan fluorometry), before and after a capacitating incubation (6 hr at 37 degrees C in Ham's F10/BSA, 5% CO(2)). Spermatozoa from varicocele samples presented a decreased response to the capacitating challenge, showing significantly lower motility, hyperactivation, incidence and intensity of tyrosine phosphorylation, and membrane fluidity. The findings reported in this article indicate that the sperm dysfunction associated to infertile varicocele coexists with decreased sperm plasma membrane fluidity and tyrosine phosphorylation. These deficiencies represent potential new pathophysiological mechanisms underlying varicocele-related infertility.
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Affiliation(s)
- M G Buffone
- Laboratorio de Estudios en Reproducción, LER, Buenos Aires, Argentina
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42
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Smith R, Kaune H, Parodi D, Madariaga M, Rios R, Morales I, Castro A. Increased sperm DNA damage in patients with varicocele: relationship with seminal oxidative stress. Hum Reprod 2005; 21:986-93. [PMID: 16361286 DOI: 10.1093/humrep/dei429] [Citation(s) in RCA: 224] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The pathophysiology of the testicular damage in varicocele has not been completely understood. Oxidative stress and related sperm DNA damage have been identified as significant causes of male infertility. The current study was designed to determine the extent of sperm nuclear DNA damage in patients with varicocele and to examine its relationship with oxidative stress. METHODS Semen samples from 55 patients with clinical varicocele and 25 normozoospermic donors were examined. Varicocele sperm samples were classified as normal or abnormal according to World Health Organization guidelines. Sperm DNA damage was evaluated by the sperm chromatin structure assay/flow cytometry and by the terminal deoxyribonucleotidyl transferase-mediated dUTP nick-end labelling (TUNEL) assay. Levels of reactive oxygen species (ROS) and total antioxidant capacity were assessed by a chemiluminescence assay. RESULTS DNA fragmentation index (DFI) (percentage of sperm with denatured DNA) values and the percentage of TUNEL-positive cells were significantly greater in patients with varicocele, either with normal (DFI, 20.7 +/- 4.0; TUNEL positive, 26.1 +/- 3.2) or with abnormal (DFI, 35.5 +/- 9.0; TUNEL positive, 32.2 +/- 4.1) semen profile, compared with controls (DFI, 7.1 +/- 0.9; TUNEL positive, 14.2 +/- 1.2). Similarly, ROS levels were significantly higher (P < 0.01) in both groups of patients with varicocele. CONCLUSIONS The presence of a varicocele is associated with high levels of DNA-damage spermatozoa even in the presence of normal semen profile. The results also indicate that oxidative damage is associated with sperm DNA damage in these patients.
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Affiliation(s)
- R Smith
- Institute of Maternal and Child Research, School of Medicine, University of Chile and San Borja-Arriarán Clinical Hospital, Santiago, Chile.
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Mancini A, De Marinis L, Littarru GP, Balercia G. An update of Coenzyme Q10 implications in male infertility: biochemical and therapeutic aspects. Biofactors 2005; 25:165-74. [PMID: 16873942 DOI: 10.1002/biof.5520250119] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
This review is focused upon the role of coenzyme Q(10) in male infertility in the light of a broader issue of oxidative damage and antioxidant defence in sperm cells and seminal plasma. Reactive oxygen species play a key pathogenetic role in male infertility besides having a well-recognized physiological function. The deep involvement of coenzyme Q(10) in mitochondrial bioenergetics and its antioxidant properties are at the basis of its role in seminal fluid. Following the early studies addressing its presence in sperm cells and seminal plasma, the relative distribution of the quinone between these two compartments was studied in infertile men, with special attention to varicocele. The reduction state of CoQ(10) in seminal fluid was also investigated. After the first in vitro experiments CoQ(10) was administered to a group of idiopathic asthenozoospermic infertile patients. Seminal analysis showed a significant increase of CoQ(10) both in seminal plasma and in sperm cells, together with an improvement in sperm motility. The increased concentration of CoQ(10) in seminal plasma and sperm cells, the improvement of semen kinetic features after treatment, and the evidence of a direct correlation between CoQ(10) concentrations and sperm motility strongly support a cause/effect relationship. From a general point of view, a deeper knowledge of these molecular mechanisms could lead to a new insight into the so-called unexplained infertility.
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Affiliation(s)
- A Mancini
- Operative Unit of Endocrinology, Catholic University School of Medicine, Rome, Italy.
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Allamaneni SSR, Naughton CK, Sharma RK, Thomas AJ, Agarwal A. Increased seminal reactive oxygen species levels in patients with varicoceles correlate with varicocele grade but not with testis size. Fertil Steril 2004; 82:1684-6. [PMID: 15589881 DOI: 10.1016/j.fertnstert.2004.04.071] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2004] [Revised: 04/26/2004] [Accepted: 04/26/2004] [Indexed: 10/26/2022]
Abstract
Increased levels of reactive oxygen species (ROS) are associated with clinical varicoceles; however, its correlation with varicocele grade and testis size is unknown. In our study, seminal ROS levels showed significant correlation with left varicocele grade and significantly elevated seminal ROS levels were seen in men with left varicocele grade 2 and 3 compared to grade 1.
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Affiliation(s)
- Shyam S R Allamaneni
- Center for Advanced Research in Human Reproduction, Infertility and Sexual Function, Glickman Urological Institute and Department of Obstetrics-Gynecology, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
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Nallella KP, Allamaneni SSR, Pasqualotto FF, Sharma RK, Thomas AJ, Agarwal A. Relationship of interleukin-6 with semen characteristics and oxidative stress in patients with varicocele. Urology 2004; 64:1010-3. [PMID: 15533496 DOI: 10.1016/j.urology.2004.05.045] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2004] [Accepted: 05/28/2004] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To examine levels of interleukin-6 (IL-6) in fertile semen donors and patients with varicocele and examine its association with semen characteristics and levels of reactive oxygen species (ROS). METHODS We conducted a prospective study consisting of 15 fertile donors (controls) and 35 infertile patients with varicocele. Semen analysis was performed according to the World Health Organization guidelines. IL-6 levels were measured using the enzyme-linked immunosorbent assay. ROS (x10(4) counted photons per minute per 20 x 10(6) sperm) and total antioxidant capacity (molar trolox equivalents) were measured using a chemiluminescence assay. RESULTS The sperm concentration and motility were significantly greater in the donors compared with the infertile patients with varicocele (P <0.0001 and P = 0.01, respectively). The IL-6 (log10 [IL-6 +1]) and ROS (log10 [ROS +1]) levels were significantly greater in infertile patients with varicocele than in the donors (IL-6: 2.1 [1.7, 2.4] versus 0.7 [0, 1.9], P = 0.003; ROS: 1.8 [1.2, 2.6] versus 1.0 [0.7, 1.6], P = 0.04). The total antioxidant capacity levels were significantly lower in the varicocele patients (1166.7 +/- 366.2) than in the donors (1556.4 +/- 468.1; P = 0.003). The IL-6 levels correlated significantly with the ROS levels in the infertile patients with varicocele (r = -0.39; P = 0.01). CONCLUSIONS Infertile patients with varicocele exhibited elevated levels of IL-6 and ROS and decreased levels of total antioxidant capacity. Pro-inflammatory cytokine IL-6 and oxidative stress may play a role in the pathophysiology of infertility in these patients.
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Affiliation(s)
- Kiran P Nallella
- Center for Advanced Research in Human Reproduction, Infertility and Sexual Function, Glickman Urological Institute and Department of Obstetrics and Gynecology, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
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Mancini A, Meucci E, Milardi D, Giacchi E, Bianchi A, Pantano AL, Mordente A, Martorana GE, de Marinis L. Seminal antioxidant capacity in pre- and postoperative varicocele. JOURNAL OF ANDROLOGY 2004; 25:44-9. [PMID: 14662785 DOI: 10.1002/j.1939-4640.2004.tb02757.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In order to explore the impact of surgical treatment on antioxidant defense system in varicocele (VAR), we evaluated seminal total antioxidant capacity (TAC) in 25 patients affected by VAR, in 14 patients studied 10-24 months after varicocelectomy (post-VAR) and separated into normo- and oligospermic groups, and in 24 non-VAR control patients with seminal parameters matched to patients with VAR in the oligo- and normospermic groups (7 subjects with idiopathic oligospermia and 17 normal fertile subjects). TAC was measured in seminal plasma with the system H(2)O(2)-metamyoglobin as a source of radicals, which interact with a chromogen 2,2',-azinobis (3-ethylbenzothiazoline-6-sulphonate) (ABTS), generating a radical cation spectroscopically detectable. The presence of antioxidants induces a lag time in the production of ABTS cation proportional to the concentration of antioxidant compounds. When whole groups of patients were analyzed, lag values were significantly higher in VAR vs non-VAR controls (mean +/- SEM, 106.6 +/- 8.8 seconds vs 78.7 +/- 8.8 seconds) but were not modified by surgery (mean +/- SEM, 105.8 +/- 8.6 seconds). In groups separated according to seminal parameters, oligospermic VAR presented significantly higher lag values than oligospermic controls. Finally, when exploring a possible association of TAC with seminal parameters, we found a significant correlation between lag and sperm motility only in patients with VAR who were in the normospermic group (r = 0.65, P <.01). This correlation was not yet manifest post-VAR. In conclusion, surgical treatment does not seem to modify absolute values of TAC but influences its fine regulation and relationships with sperm motility.
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Affiliation(s)
- Antonio Mancini
- Institute of Endocrinology, Catholic University of the Sacred Heart, Rome, Italy.
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