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Chen YL, Li CY, Wang PH, Wang R, Zhuo X, Zhang Y, Wang SJ, Sun ZP, Chen JH, Cheng X, Zhang ZJ, Ren CH, Wang QJ. Comparative Proteomic Identification of Ram Sperm before and after In Vitro Capacitation. Animals (Basel) 2024; 14:2363. [PMID: 39199899 PMCID: PMC11350773 DOI: 10.3390/ani14162363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Revised: 08/10/2024] [Accepted: 08/12/2024] [Indexed: 09/01/2024] Open
Abstract
Ram sperm undergo a sequence of physiological and biochemical changes collectively termed as capacitation to perform oocyte fertilization. However, the protein changes induced by capacitation remain in need of further exploration. Thus, the present study investigated the comparative proteomic profiling in ram spermatozoa under non-capacitating (NC) and capacitating (CAP) conditions in vitro using a liquid chromatography-tandem mass spectrometry combined with tandem mass tag labeling strategy. As a results, 2050 proteins were identified and quantified; 348 of them were differentially abundant, with 280 of the proteins upregulated and 68 of the proteins downregulated between the CAP and NC spermatozoa, respectively. Functional enrichment analysis indicated that the differentially abundant proteins Prune Exopolyphosphatase 1, Galactose-1-Phosphate Uridylyltransferase, and ATP Citrate Lyase were strictly related to energy production and conversion, and Phosphoglycolate phosphatase, Glucosamine-6-Phosphate Deaminase 1 and 2 were related to metabolism, RNA processing, and vesicular transport pathways. Furthermore, the networks of protein-protein interaction indicated a strong interaction among these differential proteins in annotated pathways such as ubiquitin and transport metabolism. Our findings indicate that capacitation progress might be regulated through different pathways, providing insights into mechanisms involved in ram sperm capacitation and fertility.
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Affiliation(s)
- Ya-Le Chen
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Chun-Yan Li
- Yunnan Animal Science and Veterinary Institute, Kunming 650224, China; (C.-Y.L.); (Y.Z.)
| | - Peng-Hui Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Ru Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Xian Zhuo
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Yan Zhang
- Yunnan Animal Science and Veterinary Institute, Kunming 650224, China; (C.-Y.L.); (Y.Z.)
| | - Shi-Jia Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Zhi-Peng Sun
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Jia-Hong Chen
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
- Center of Agriculture Technology Cooperation and Promotion of Dingyuan County, Chuzhou 233200, China
| | - Xiao Cheng
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
| | - Zi-Jun Zhang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
- Center of Agriculture Technology Cooperation and Promotion of Dingyuan County, Chuzhou 233200, China
| | - Chun-Huan Ren
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
- Center of Agriculture Technology Cooperation and Promotion of Dingyuan County, Chuzhou 233200, China
| | - Qiang-Jun Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China; (Y.-L.C.); (P.-H.W.); (R.W.); (X.Z.); (S.-J.W.); (Z.-P.S.); (J.-H.C.); (X.C.); (Z.-J.Z.)
- Center of Agriculture Technology Cooperation and Promotion of Dingyuan County, Chuzhou 233200, China
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Peña-Delgado V, Noya A, Carvajal-Serna M, Abecia JA, Pérez-Pe R, Casao A. Differential effect of melatonin on ram spermatozoa depending on the allelic variant of the RsaI polymorphism of the MTR1A gene, incubation medium and season. Reprod Fertil Dev 2024; 36:NULL. [PMID: 38905444 DOI: 10.1071/rd23233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 06/03/2024] [Indexed: 06/23/2024] Open
Abstract
Context The Rsa I polymorphism of the melatonin receptor MTNR1A gene affects seasonal reproduction in sheep, but its effect on ram spermatozoa and their response to melatonin is unknown. Aims This study aims to evaluate whether Rsa I polymorphism of the MTNR1A gene influences the response of ram spermatozoa to in vitro added melatonin. Methods Spermatozoa from rams carrying different Rsa I allelic variants were incubated with melatonin in a TALP medium or a capacitation-triggering medium during the reproductive and non-reproductive seasons. After incubation, sperm motility, membrane integrity, mitochondria activity, oxidative damage, apoptotic markers and capacitation status were assessed. Key results In the reproductive season, the T/T genotype was related to some adverse effects of melatonin when spermatozoa were incubated in TALP medium, whereas the C/C genotype was linked with adverse effects when the hormone was added in a capacitation-triggering medium. The decapacitating effect of melatonin on spermatozoa was also different depending on genotype. Conclusions The melatonin effect on spermatozoa from rams carrying different Rsa I genotypes differed depending on the season and the medium. Implications The knowledge of the Rsa I allelic variant of the MTNR1A gene of rams could be helpful when carrying out in vitro reproductive techniques in the ovine species.
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Affiliation(s)
- Victoria Peña-Delgado
- BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain
| | - Agustí Noya
- BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain
| | - Melissa Carvajal-Serna
- BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain
| | - José A Abecia
- BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain
| | - Rosaura Pérez-Pe
- BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain
| | - Adriana Casao
- BIOFITER-IUCA, Universidad de Zaragoza, Facultad de Veterinaria, Miguel Servet 177, 50013 Zaragoza, Spain
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Widyastuti R, Prastowo S, Jaswandi J, Lubis A, Setiawan R, Ridlo MR, Boediono A. Effect of melatonin supplementation on sperm quality parameters and expression of antioxidant genes during cold storage of buck semen extenders. Vet World 2024; 17:863-870. [PMID: 38798287 PMCID: PMC11111719 DOI: 10.14202/vetworld.2024.863-870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 04/02/2024] [Indexed: 05/29/2024] Open
Abstract
Background and Aim Semen storage is an important reproductive method used in artificial livestock breeding. However, oxidative stress during storage reduces the quality of sperm. Melatonin supplementation in semen storage medium has not been well studied, but it has been shown to protect cells from oxidative stress. Therefore, this study aimed to determine the effect of melatonin supplementation on sperm quality parameters and antioxidant gene expression levels in semen extenders during cold storage. Materials and Methods Semen extenders with melatonin concentrations of 0 (control), 0.1, 0.2, and 0.3 mM were added as treatment. The treated semen was then stored at 5°C for 72 h using a cold storage method, and quality parameters, including percentage of progressive motility, membrane integrity, intact acrosome, and DNA integrity, were measured every 24 h. In addition, messenger ribonucleic acid abundance levels of glutathione peroxidase (GPx) and superoxide dismutase (SOD) genes were sampled after 0 and 72 h of cold storage. Results All observed sperm quality parameters decreased with increasing cold storage time; however, 0.2 mM melatonin demonstrated superior protection of sperm quality during cold storage. Gene expression analysis showed that GPx levels decreased significantly (p < 0.05) after 72 h in semen without melatonin but not in the melatonin-treated groups. A similar trend was also observed in SOD, indicating that exogenous antioxidants effectively protected the sperms. Conclusion Melatonin supplementation at 0.2 mM in semen extenders during cold storage maintains sperm quality parameters for up to 72 h because melatonin protects sperm from oxidative stress. These findings can be used to improve the semen storage protocol by combining semen extender and antioxidant.
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Affiliation(s)
- Rini Widyastuti
- Department of Animal Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Jl Raya Bandung-Sumedang KM 21, Sumedang, West Java, Indonesia
| | - Sigit Prastowo
- Department of Animal Science, Faculty of Animal Science, Universitas Sebelas Maret, Surakarta. Indonesia
| | - Jaswandi Jaswandi
- Department of Reproduction Biotechnology, Faculty of Animal Science, Universitas Andalas. Limau Manis, Pauh, Padang, West Sumatera, Indonesia
| | - Alkaustariyah Lubis
- Working Group of Genetic Medicine, Faculty of Medicine, Universitas Padjadjaran, Jatinangor, Jl Raya Bandung-Sumedang KM 21, Sumedang, West Java, Indonesia
| | - Rangga Setiawan
- Department of Animal Production, Faculty of Animal Husbandry, Universitas Padjadjaran, Jl Raya Bandung-Sumedang KM 21, Sumedang, West Java, Indonesia
| | - Muhammad Rosyid Ridlo
- Department of Bioresources Technology and Veterinary, Vocational College, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Arief Boediono
- Department of Anatomy, Physiology and Pharmacology, School of Veterinary Medicine and Biomedical, IPB University, Bogor, West Java, Indonesia
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Wang X, Li D, Zheng X, Hong Y, Zhao J, Deng W, Wang M, Shen L, Long C, Wei G, Wu S. Di-(2-ethylhexyl) phthalate induces ferroptosis in prepubertal mouse testes via the lipid metabolism pathway. ENVIRONMENTAL TOXICOLOGY 2024; 39:1747-1758. [PMID: 38050670 DOI: 10.1002/tox.24065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/07/2023] [Accepted: 11/16/2023] [Indexed: 12/06/2023]
Abstract
Di-(2-ethylhexyl) phthalate (DEHP), a widely used plasticizer, has been shown to cause reproductive toxicity, but the precise mechanism remains unclear. This study aimed to investigate the possible molecular mechanism of DEHP-induced testicular damage. In vivo study, we administered different doses of DEHP (0, 250, and 500 mg/kg/day) to male C57BL/6 mice from 22 and 35 days after birth. We found that DEHP exposure induced histopathological alterations in prepubertal testes, and testicular lipidomics indicated notable alterations in lipid metabolism and significant enrichment of ferroptosis. Further tests showed that ferrous iron (Fe2+ ) and malondialdehyde (MDA) levels significantly increased after DEHP exposure. Western blotting revealed that DEHP exposure reduced glutathione peroxidase 4 (GPX4) expression, and elevated acyl coenzyme A synthetase long-chain member 4 (ACSL4) and lysophosphatidylcholine acyltransferase 3 (LPCAT3) expression. The in vitro results were consistent with the in vivo results. When Leydig cells and Sertoli cells were treated with ferrostatin-1 and monoethylhexyl phthalate (MEHP), MEHP-induced increases in Fe2+ and MDA levels, accumulation of lipid reactive oxygen species, downregulation of GPX4, and upregulation of ACSL4 and LPCAT3 were reversed. Collectively, our findings suggested that aberrant lipid metabolism and ferroptosis may be involved in prepubertal DEHP exposure-induced testicular damage.
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Affiliation(s)
- Xia Wang
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Dinggang Li
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Xiangqin Zheng
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Yifan Hong
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Jie Zhao
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Wei Deng
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Mingxin Wang
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Lianju Shen
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Chunlan Long
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Guanghui Wei
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
| | - Shengde Wu
- Department of Urology, Children's Hospital of Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China
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Irigoyen P, Mansilla S, Castro L, Cassina A, Sapiro R. Mitochondrial function and reactive oxygen species production during human sperm capacitation: Unraveling key players. FASEB J 2024; 38:e23486. [PMID: 38407497 DOI: 10.1096/fj.202301957rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/22/2024] [Accepted: 01/30/2024] [Indexed: 02/27/2024]
Abstract
Sperm capacitation is a critical process for male fertility. It involves a series of biochemical and physiological changes that occur in the female reproductive tract, rendering the sperm competent for successful fertilization. The precise mechanisms and, specifically, the role of mitochondria, in sperm capacitation remain incompletely understood. Previously, we revealed that in mouse sperm mitochondrial activity (e.g., oxygen consumption, membrane potential, ATP/ADP exchange, and mitochondrial Ca2+ ) increases during capacitation. Herein, we studied mitochondrial function by high-resolution respirometry (HRR) and reactive oxygen species production in capacitated (CAP) and non-capacitated (NC) human spermatozoa. We found that in capacitated sperm from normozoospermic donors, the respiratory control ratio increased by 36%, accompanied by a double oxygen consumption rate (OCR) in the presence of antimycin A. Extracellular hydrogen peroxide (H2 O2 ) detection was three times higher in CAP than in NC sperm cells. To confirm that H2 O2 production depends on mitochondrial superoxide (O 2 · - $$ {\mathrm{O}}_2^{\cdotp -} $$ ) formation, we evaluated mitochondrial aconitase (ACO2) amount, activity, and role in the metabolic flux from the sperm tricarboxylic acid cycle. We estimated that CAP cells produce, on average by individual, (59 ± 22)% moreO 2 · - $$ {\mathrm{O}}_2^{\cdotp -} $$ in the steady-state compared to NC cells. Finally, we analyzed two targets of oxidative stress: lipid peroxidation by western blot against 4-hydroxynonenal and succinate dehydrogenase (SDH) activity by HRR. We did not observe modifications in lipoperoxidation nor the activity of SDH, suggesting that during capacitation, the increase in mitochondrial H2 O2 production does not damage sperm and it is necessary for the normal CAP process.
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Affiliation(s)
- Pilar Irigoyen
- Unidad Académica Departamento de Histología y Embriología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
- Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Santiago Mansilla
- Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
- Departamento de Métodos Cuantitativos, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Laura Castro
- Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Adriana Cassina
- Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Rossana Sapiro
- Unidad Académica Departamento de Histología y Embriología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
- Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
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Zhu Z, Li W, Yang Q, Zhao H, Zhang W, Adetunji AO, Hoque SAM, Kou X, Min L. Pyrroloquinoline Quinone Improves Ram Sperm Quality through Its Antioxidative Ability during Storage at 4 °C. Antioxidants (Basel) 2024; 13:104. [PMID: 38247528 PMCID: PMC10812569 DOI: 10.3390/antiox13010104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/25/2023] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
Sperm motility is an important factor in the migration of sperm from the uterus to the oviduct. During sperm preservation in vitro, sperm generates excessive ROS that damages its function. This study aims to investigate whether the addition of pyrroloquinoline quinone (PQQ) to the diluted medium could improve chilled ram sperm quality, and then elucidates the mechanism. Ram semen was diluted with Tris-citric acid-glucose (TCG) medium containing different doses of PQQ (0 nM, 10 nM, 100 nM, 1000 nM, 10,000 nM), and stored at 4 °C. Sperm motility patterns, plasma membrane integrity, acrosome integrity, mitochondrial membrane potential, reactive oxygen species (ROS) levels, malondialdehyde (MDA) levels, superoxide dismutase (SOD) activity, and ATP levels were measured after preservation. Furthermore, the expressions of NADH dehydrogenase 1 (MT-ND1) and NADH dehydrogenase 6 (MT-ND6) in sperm were also detected by western blotting. In addition, sperm capacitation and the ability of sperm to bind to the zona pellucina were also evaluated. It was observed that the addition of PQQ significantly (p < 0.05) improved ram sperm motility, membrane integrity, and acrosome integrity during preservation. The percentage of sperm with high mitochondrial membrane potential in the PQQ treatment group was much higher than that in the control. In addition, supplementation of PQQ also decreased the sperm MDA and ROS levels, while increasing ATP levels. Interestingly, the levels of MT-ND1 and MT-ND6 protein in sperm treated with PQQ were also higher than that of the control. Furthermore, the addition of 100 nM PQQ to the medium decreased ROS damage in MT-ND1 and MT-ND6 proteins. The addition of 100 nM PQQ significantly (p < 0.05) increased protein tyrosine phosphorylation in ram sperm after induced capacitation. Furthermore, the value of the sperm-zona pellucida binding capacity in the 100 nM PQQ treatment group was also much higher than that of the control. Overall, during chilled ram- sperm preservation, PQQ protected ram sperm quality by quenching the ROS levels to reduce ROS damage and maintain sperm mitochondrial function, and preserved the sperm's high ability of fertilization.
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Affiliation(s)
- Zhendong Zhu
- College of Animal Science and Technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Z.Z.)
| | - Wenjia Li
- College of Animal Science and Technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Z.Z.)
| | - Qitai Yang
- College of Animal Science and Technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Z.Z.)
| | - Haolong Zhao
- College of Animal Science and Technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Z.Z.)
| | - Weijing Zhang
- College of Animal Science and Technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Z.Z.)
| | - Adedeji O. Adetunji
- Department of Agriculture, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
| | - S. A. Masudul Hoque
- Department of Animal Breeding and Genetics, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Xin Kou
- Hongde Livestock Farm, Yingli Town, Weifang 261000, China
| | - Lingjiang Min
- College of Animal Science and Technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao 266109, China; (Z.Z.)
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Takei GL. Molecular mechanisms of mammalian sperm capacitation, and its regulation by sodium-dependent secondary active transporters. Reprod Med Biol 2024; 23:e12614. [PMID: 39416520 PMCID: PMC11480905 DOI: 10.1002/rmb2.12614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Accepted: 10/01/2024] [Indexed: 10/19/2024] Open
Abstract
Background Mammalian spermatozoa have to be "capacitated" to be fertilization-competent. Capacitation is a collective term for the physiological and biochemical changes in spermatozoa that occur within the female body. However, the regulatory mechanisms underlying capacitation have not been fully elucidated. Methods Previously published papers on capacitation, especially from the perspective of ions/channels/transporters, were extracted and summarized. Results Capacitation can be divided into two processes: earlier events (membrane potential hyperpolarization, intracellular pH rise, intracellular Ca2+ rise, etc.) and two major later events: hyperactivation and the acrosome reaction. Earlier events are closely interconnected with each other. Various channels/transporters are involved in the regulation of them, which ultimately lead to the later events. Manipulating the extracellular K+ concentration based on the oviductal concentration modifies membrane potential; however, the later events and fertilization are not affected, suggesting the uninvolvement of membrane potential in capacitation. Hyperpolarization is a highly conserved phenomenon among mammalian species, indicating its importance in capacitation. Therefore, the physiological importance of hyperpolarization apart from membrane potential is suggested. Conclusion The hypotheses are (1) hyperpolarizing Na+ dynamics (decrease in intracellular Na+) and Na+-driven secondary active transporters play a vital role in capacitation and (2) the sperm-specific potassium channel Slo3 is involved in volume and/or morphological regulation.
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Affiliation(s)
- Gen L. Takei
- Department of Pharmacology and ToxicologyDokkyo Medical UniversityTochigiJapan
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Monageng E, Offor U, Takalani NB, Mohlala K, Opuwari CS. A Review on the Impact of Oxidative Stress and Medicinal Plants on Leydig Cells. Antioxidants (Basel) 2023; 12:1559. [PMID: 37627554 PMCID: PMC10451682 DOI: 10.3390/antiox12081559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/03/2023] [Accepted: 08/02/2023] [Indexed: 08/27/2023] Open
Abstract
Leydig cells are essential for steroidogenesis and spermatogenesis. An imbalance in the production of reactive oxygen species (ROS) and the cellular antioxidant level brings about oxidative stress. Oxidative stress (OS) results in the dysfunction of Leydig cells, thereby impairing steroidogenesis, spermatogenesis, and ultimately, male infertility. To prevent Leydig cells from oxidative insults, there needs to be a balance between the ROS production and the cellular protective capacity of antioxidants. Evidence indicates that medicinal plants could improve Leydig cell function at specific concentrations under basal or OS conditions. The increased usage of medicinal plants has been considered a possible alternative treatment for male infertility. This review aims to provide an overview of the impact of oxidative stress on Leydig cells as well as the effects of various medicinal plant extracts on TM3 Leydig cells. The medicinal plants of interest include Aspalathus linearis, Camellia sinensis, Moringa oleifera, Morinda officinale, Taraxacum officinale, Trichilia emetica, Terminalia sambesiaca, Peltophorum africanum, Ximenia caffra, Serenoa repens, Zingiber officinale, Eugenia jambolana, and a combination of dandelion and fermented rooibos (CRS-10). According to the findings obtained from studies conducted on the evaluated medicinal plants, it can, therefore, be concluded that the medicinal plants maintain the antioxidant profile of Leydig cells under basal conditions and have protective or restorative effects following exposure to oxidative stress. The available data suggest that the protective role exhibited by the evaluated plants may be attributed to their antioxidant content. Additionally, the use of the optimal dosage or concentration of the extracts in the management of oxidative stress is of the utmost importance, and the measurement of their oxidation reduction potential is recommended.
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Affiliation(s)
- Elizabeth Monageng
- Department of Medical Biosciences, Faculty of Natural Science, University of Western Cape, Cape Town 7535, South Africa
| | - Ugochukwu Offor
- School of Anatomical Sciences, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg 2193, South Africa
| | - Ndivhuho Beauty Takalani
- Department of Medical Biosciences, Faculty of Natural Science, University of Western Cape, Cape Town 7535, South Africa
| | - Kutullo Mohlala
- Department of Medical Biosciences, Faculty of Natural Science, University of Western Cape, Cape Town 7535, South Africa
| | - Chinyerum Sylvia Opuwari
- Department of Medical Biosciences, Faculty of Natural Science, University of Western Cape, Cape Town 7535, South Africa
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Pasciu V, Nieddu M, Sotgiu FD, Baralla E, Berlinguer F. An Overview on Assay Methods to Quantify ROS and Enzymatic Antioxidants in Erythrocytes and Spermatozoa of Small Domestic Ruminants. Animals (Basel) 2023; 13:2300. [PMID: 37508077 PMCID: PMC10376267 DOI: 10.3390/ani13142300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/03/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
The present review aims to provide an overview of the assay methods for the quantification of ROS and principal enzymatic antioxidants as biomarkers of oxidative stress in erythrocytes and spermatozoa of small domestic ruminants. A complete literature search was carried out in PubMed, Scopus and the World Wide Web using relevant keywords and focusing on the last five years (2018-2023). Among spectrophotometry, fluorometry and chemiluminescence, the most widely used method for ROS assay is fluorometry, probably because it allows to simultaneously assay several ROS, using different probes, with greater economic advantages. Regarding intracellular antioxidant enzymes, recent literature reports only spectrophotometric methods, many of which use commercial kits. The use of a less sensitive but cheapest method is suitable because both erythrocytes and spermatozoa samples are highly concentrated in domestic ruminant species. All methods considered in this review have been found to be appropriate; in general, the differences are related to their costs and sensitivity. Quantification of ROS and enzymatic antioxidant activity in erythrocytes and spermatozoa may find application in the study of the welfare and health status of small domestic ruminants for monitoring livestock production.
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Affiliation(s)
- Valeria Pasciu
- Department of Veterinary Medicine, University of Sassari, 07100 Sassari, Italy
| | - Maria Nieddu
- Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy
| | | | - Elena Baralla
- Department of Veterinary Medicine, University of Sassari, 07100 Sassari, Italy
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10
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Structure, regulation, and physiological functions of NADPH oxidase 5 (NOX5). J Physiol Biochem 2023:10.1007/s13105-023-00955-3. [PMID: 36905456 DOI: 10.1007/s13105-023-00955-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 03/02/2023] [Indexed: 03/12/2023]
Abstract
NOX5 is the last member of the NADPH oxidase (NOXs) family to be identified and presents some specific characteristics differing from the rest of the NOXs. It contains four Ca2+ binding domains at the N-terminus and its activity is regulated by the intracellular concentration of Ca2+. NOX5 generates superoxide (O2•-) using NADPH as a substrate, and it modulates functions related to processes in which reactive oxygen species (ROS) are involved. Those functions appear to be detrimental or beneficial depending on the level of ROS produced. For example, the increase in NOX5 activity is related to the development of various oxidative stress-related pathologies such as cancer, cardiovascular, and renal diseases. In this context, pancreatic expression of NOX5 can negatively alter insulin action in high-fat diet-fed transgenic mice. This is consistent with the idea that the expression of NOX5 tends to increase in response to a stimulus or a stressful situation, generally causing a worsening of the pathology. On the other hand, it has also been suggested that it might have a positive role in preparing the body for metabolic stress, for example, by inducing a protective adipose tissue adaptation to the excess of nutrients supplied by a high-fat diet. In this line, its endothelial overexpression can delay lipid accumulation and insulin resistance development in obese transgenic mice by inducing the secretion of IL-6 followed by the expression of thermogenic and lipolytic genes. However, as NOX5 gene is not present in rodents and human NOX5 protein has not been crystallized, its function is still poorly characterized and further extensive research is required.
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11
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Miguel-Jiménez S, Carvajal-Serna M, Peña-Delgado V, Casao A, Pérez-Pe R. Effect of melatonin and nitric oxide on capacitation and apoptotic changes induced by epidermal growth factor in ram sperm. Reprod Fertil Dev 2023; 35:282-293. [PMID: 36403503 DOI: 10.1071/rd22146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/17/2022] [Indexed: 11/21/2022] Open
Abstract
CONTEXT Apart from the canonical cAMP-PKA pathway, ram sperm capacitation can be achieved by the MAPK ERK1/2 signalling cascade, activated by epidermal growth factor (EGF). AIMS This study aims to investigate the effect of melatonin and nitric oxide (NO·) on capacitation and apoptotic-like changes in EGF-capacitated ram spermatozoa. METHODS In vitro capacitation was induced by EGF in the absence or presence of melatonin (100pM or 1μM). Also, a NO· precursor, L-arginine, or a NOS inhibitor, NG-nitro-L-arginine methyl ester (L-NAME), were added to capacitation media to study the interaction of NO· and melatonin during EGF-capacitation. Sperm functionality parameters (motility, viability, capacitation state), apoptotic markers (caspase activation and DNA damage), NO· levels, and phosphorylated c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinase (assessed by Western blot), were evaluated in swim-up and capacitated samples with EGF. KEY RESULTS NO· levels and the apoptotic-related markers were raised after EGF incubation. Melatonin had a bimodal role on sperm EGF-capacitation, preventing it at high concentration and promoting acrosome reaction at low concentration, but neither of the two concentrations prevented the increase in apoptotic-like markers or NO· levels. However, melatonin at 1μM prevented the activation of JNK. CONCLUSIONS NO· metabolism does not seem to modulate the apoptosis-like events in ram spermatozoa. Melatonin at 1μM prevents ram sperm capacitation induced by EGF independently from nitric oxide metabolism, and it could be exerted by limiting the JNK mitogen-activated protein kinase (MAPK) activation. IMPLICATIONS This study improvesour understanding of the biochemical mechanisms involved in sperm capacitation, and ultimately, fertility.
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Affiliation(s)
- Sara Miguel-Jiménez
- Department of Biochemistry and Molecular and Cell Biology, Faculty of Veterinary Sciences, Institute of Environmental Sciences of Aragón (IUCA), University of Zaragoza, Miguel Servet 177, Zaragoza 50013, Spain
| | - Melissa Carvajal-Serna
- Department of Biochemistry and Molecular and Cell Biology, Faculty of Veterinary Sciences, Institute of Environmental Sciences of Aragón (IUCA), University of Zaragoza, Miguel Servet 177, Zaragoza 50013, Spain
| | - Victoria Peña-Delgado
- Department of Biochemistry and Molecular and Cell Biology, Faculty of Veterinary Sciences, Institute of Environmental Sciences of Aragón (IUCA), University of Zaragoza, Miguel Servet 177, Zaragoza 50013, Spain
| | - Adriana Casao
- Department of Biochemistry and Molecular and Cell Biology, Faculty of Veterinary Sciences, Institute of Environmental Sciences of Aragón (IUCA), University of Zaragoza, Miguel Servet 177, Zaragoza 50013, Spain
| | - Rosaura Pérez-Pe
- Department of Biochemistry and Molecular and Cell Biology, Faculty of Veterinary Sciences, Institute of Environmental Sciences of Aragón (IUCA), University of Zaragoza, Miguel Servet 177, Zaragoza 50013, Spain
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12
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Ribeiro JC, Nogueira-Ferreira R, Amado F, Alves MG, Ferreira R, Oliveira PF. Exploring the Role of Oxidative Stress in Sperm Motility: A Proteomic Network Approach. Antioxid Redox Signal 2022; 37:501-520. [PMID: 34847748 DOI: 10.1089/ars.2021.0241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Significance: Infertility is a major global health problem, with nearly half of the cases being associated with male factors. Although reactive oxygen species (ROS) are crucial for sperm cell normal physiological processes, an imbalance between ROS production and antioxidants can lead to oxidative stress that can impair sperm function. Indeed, high semen ROS levels are reported in 30%-80% of infertile men. Recent Advances: Male oxidative stress infertility is an uprising classification for idiopathic infertility. Proteomic approaches, including quantitative mass spectrometry (MS)-based proteomics, are being utilized to explore the molecular mechanisms associated with oxidative stress in male infertility. Critical Issues: In this review, proteome data were collected from articles available on PubMed centered on MS-based proteomic studies, performed in seminal plasma and sperm cell samples, and enrolling men with impaired semen parameters. The bioinformatic analysis of proteome data with Cytoscape (ClueGO+CluePedia) and STRING tools allowed the identification of the biological processes more prevalent in asthenozoospermia, with focus on the ones related to oxidative stress. Future Directions: The identification of the antioxidant proteins in seminal plasma and sperm cells that can protect sperm cells from oxidative stress is crucial not only for a better understanding of the molecular mechanisms associated with male infertility but specially to guide new therapeutic possibilities. Antioxid. Redox Signal. 37, 501-520.
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Affiliation(s)
- João C Ribeiro
- Department of Anatomy and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal.,QOPNA & LAQV, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Rita Nogueira-Ferreira
- Department of Anatomy and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Francisco Amado
- QOPNA & LAQV, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Marco G Alves
- Department of Anatomy and Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Rita Ferreira
- QOPNA & LAQV, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Pedro F Oliveira
- QOPNA & LAQV, Department of Chemistry, University of Aveiro, Aveiro, Portugal
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13
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Factors influencing seminal plasma composition and its relevance to succeed sperm technology in sheep: an updated review. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2022.106759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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14
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Vašíček J, Baláži A, Svoradová A, Vozaf J, Dujíčková L, Makarevich AV, Bauer M, Chrenek P. Comprehensive Flow-Cytometric Quality Assessment of Ram Sperm Intended for Gene Banking Using Standard and Novel Fertility Biomarkers. Int J Mol Sci 2022; 23:ijms23115920. [PMID: 35682598 PMCID: PMC9180808 DOI: 10.3390/ijms23115920] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 11/29/2022] Open
Abstract
Flow cytometry becomes a common method for analysis of spermatozoa quality. Standard sperm characteristics such as viability, acrosome and chromatin integrity, oxidative damage (ROS) etc. can be easily assess in any animal semen samples. Moreover, several fertility-related markers were observed in humans and some other mammals. However, these fertility biomarkers have not been previously studied in ram. The aim of this study was to optimize the flow-cytometric analysis of these standard and novel markers in ram semen. Ram semen samples from Slovak native sheep breeds were analyzed using CASA system for motility and concentration and were subsequently stained with several fluorescent dyes or specific antibodies to evaluate sperm viability (SYBR-14), apoptosis (Annexin V, YO-PRO-1, FLICA, Caspases 3/7), acrosome status (PNA, LCA, GAPDHS), capacitation (merocyanine 540, FLUO-4 AM), mitochondrial activity (MitoTracker Green, rhodamine 123, JC-1), ROS (CM-H2DCFDA, DHE, MitoSOX Red, BODIPY), chromatin (acridine orange), leukocyte content, ubiquitination and aggresome formation, and overexpression of negative biomarkers (MKRN1, SPTRX-3, PAWP, H3K4me2). Analyzed semen samples were divided into two groups according to viability as indicators of semen quality: Group 1 (viability over 60%) and Group 2 (viability under 60%). Significant (p < 0.05) differences were found between these groups in sperm motility and concentration, apoptosis, acrosome integrity (only PNA), mitochondrial activity, ROS production (except for DHE), leukocyte and aggresome content, and high PAWP expression. In conclusion, several standard and novel fluorescent probes have been confirmed to be suitable for multiplex ram semen analysis by flow cytometry as well as several antibodies have been validated for the specific detection of ubiquitin, PAWP and H3K4me2 in ram spermatozoa.
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Affiliation(s)
- Jaromír Vašíček
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
- Institute of Biotechnology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
- Correspondence: (J.V.); (P.C.); Tel.: +421-37-654-6600 (J.V.); +421-37-641-4274 (P.C.)
| | - Andrej Baláži
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
| | - Andrea Svoradová
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
- Department of Morphology, Physiology and Animal Genetics, Faculty of Agri Sciences, Mendel University in Brno, Zemědělská 1/1665, 613 00 Brno, Czech Republic
| | - Jakub Vozaf
- Institute of Biotechnology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
| | - Linda Dujíčková
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
- Department of Botany and Genetics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, Nábrežie Mládeže 91, 949 74 Nitra, Slovakia
| | - Alexander V. Makarevich
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
| | - Miroslav Bauer
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
- Department of Botany and Genetics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, Nábrežie Mládeže 91, 949 74 Nitra, Slovakia
| | - Peter Chrenek
- Institute of Farm Animal Genetics and Reproduction, NPPC, Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia; (A.B.); (A.S.); (L.D.); (A.V.M.); (M.B.)
- Institute of Biotechnology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
- Correspondence: (J.V.); (P.C.); Tel.: +421-37-654-6600 (J.V.); +421-37-641-4274 (P.C.)
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Gan J, Gu T, Hong L, Cai G. Ferroptosis-related genes involved in animal reproduction: An Overview. Theriogenology 2022; 184:92-99. [DOI: 10.1016/j.theriogenology.2022.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/20/2022] [Accepted: 02/25/2022] [Indexed: 11/30/2022]
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Aitken RJ, Drevet JR, Moazamian A, Gharagozloo P. Male Infertility and Oxidative Stress: A Focus on the Underlying Mechanisms. Antioxidants (Basel) 2022; 11:antiox11020306. [PMID: 35204189 PMCID: PMC8868102 DOI: 10.3390/antiox11020306] [Citation(s) in RCA: 75] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/25/2022] [Accepted: 01/31/2022] [Indexed: 01/27/2023] Open
Abstract
Reactive oxygen species (ROS) play a critical role in defining the functional competence of human spermatozoa. When generated in moderate amounts, ROS promote sperm capacitation by facilitating cholesterol efflux from the plasma membrane, enhancing cAMP generation, inducing cytoplasmic alkalinization, increasing intracellular calcium levels, and stimulating the protein phosphorylation events that drive the attainment of a capacitated state. However, when ROS generation is excessive and/or the antioxidant defences of the reproductive system are compromised, a state of oxidative stress may be induced that disrupts the fertilizing capacity of the spermatozoa and the structural integrity of their DNA. This article focusses on the sources of ROS within this system and examines the circumstances under which the adequacy of antioxidant protection might become a limiting factor. Seminal leukocyte contamination can contribute to oxidative stress in the ejaculate while, in the germ line, the dysregulation of electron transport in the sperm mitochondria, elevated NADPH oxidase activity, or the excessive stimulation of amino acid oxidase action are all potential contributors to oxidative stress. A knowledge of the mechanisms responsible for creating such stress within the human ejaculate is essential in order to develop better antioxidant strategies that avoid the unintentional creation of its reductive counterpart.
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Affiliation(s)
- Robert John Aitken
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
- Correspondence: ; Tel.: +61-2-4921-6851
| | - Joël R. Drevet
- GReD Institute, INSERM U1103-CNRS UMR6293—Université Clermont Auvergne, Faculty of Medicine, CRBC Building, 28 Place Henri Dunant, 63001 Clermont-Ferrand, France; (J.R.D.); (A.M.)
| | - Aron Moazamian
- GReD Institute, INSERM U1103-CNRS UMR6293—Université Clermont Auvergne, Faculty of Medicine, CRBC Building, 28 Place Henri Dunant, 63001 Clermont-Ferrand, France; (J.R.D.); (A.M.)
- CellOxess LLC, Ewing, NJ 08628, USA;
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AITKEN RJ, GIBB Z. Sperm oxidative stress in the context of male infertility: current evidence, links with genetic and epigenetic factors and future clinical needs. Minerva Endocrinol (Torino) 2022; 47:38-57. [DOI: 10.23736/s2724-6507.21.03630-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Melatonin as a Reducer of Neuro- and Vasculotoxic Oxidative Stress Induced by Homocysteine. Antioxidants (Basel) 2021; 10:antiox10081178. [PMID: 34439426 PMCID: PMC8389035 DOI: 10.3390/antiox10081178] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/20/2021] [Accepted: 07/22/2021] [Indexed: 11/30/2022] Open
Abstract
The antioxidant properties of melatonin can be successfully used to reduce the effects of oxidative stress caused by homocysteine. The beneficial actions of melatonin are mainly due to its ability to inhibit the generation of the hydroxyl radical during the oxidation of homocysteine. Melatonin protects endothelial cells, neurons, and glia against the action of oxygen radicals generated by homocysteine and prevents the structural changes in cells that lead to impaired contractility of blood vessels and neuronal degeneration. It can be, therefore, assumed that the results obtained in experiments performed mainly in the in vitro models and occasionally in animal models may clear the way to clinical applications of melatonin in patients with hyperhomocysteinemia, who exhibit a higher risk of developing neurodegenerative diseases (e.g., Parkinson’s disease or Alzheimer’s disease) and cardiovascular diseases of atherothrombotic etiology. However, the results that have been obtained so far are scarce and have seldom been performed on advanced in vivo models. All findings predominately originate from the use of in vitro models and the scarcity of clinical evidence is huge. Thus, this mini-review should be considered as a summary of the outcomes of the initial research in the field concerning the use of melatonin as a possibly efficient attenuator of oxidative stress induced by homocysteine.
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