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Suo J, Wang J, Zheng Y, Xiao F, Li R, Huang F, Niu P, Zhu W, Du X, He J, Gao Q, Khan A. Recent advances in cryotolerance biomarkers for semen preservation in frozen form-A systematic review. PLoS One 2024; 19:e0303567. [PMID: 38776323 PMCID: PMC11111053 DOI: 10.1371/journal.pone.0303567] [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: 12/19/2023] [Accepted: 04/28/2024] [Indexed: 05/24/2024] Open
Abstract
Spermatozoa cryopreservation has been practiced for decades and is a very useful technique for long-term preservation of sperm fertility. The capability for semen cryopreservation varies across species, seasons, latitudes, and even for different ejaculates from the same animal. This article summarizes research results on sperm cryotolerance biomarkers in several species, focusing on three areas: spermatozoa cryotolerance biomarkers, seminal plasma proteins cryotolerance biomarkers, and other cryotolerance biomarkers. We discovered that sperm cryoresistance biomarkers are primarily related to sperm plasma membrane stability, the presence of antioxidant substances in sperm or seminal plasma, sperm cell energy metabolism, water and small molecule transport channels in the sperm plasma membrane, and antistress substances in sperm or seminal plasma. The research conducted using diverse livestock models can be employed to enhance the basic and applied reproduction of other mammals through the study of sperm cryotolerance biomarkers, as well as the substantial similarities between livestock and other organisms, including endangered species.
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Affiliation(s)
- Jiajia Suo
- College of Life Sciences, Tarim University, Alar, Xinjiang, China
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Jieru Wang
- College of Life Sciences, Tarim University, Alar, Xinjiang, China
| | - Yanling Zheng
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Fayi Xiao
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Ruchun Li
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Fei Huang
- College of Life Sciences, Tarim University, Alar, Xinjiang, China
| | - Peng Niu
- College of Life Sciences, Tarim University, Alar, Xinjiang, China
| | - Wei Zhu
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Xiaoxia Du
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Jianxiu He
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
| | - Qinghua Gao
- College of Life Sciences, Tarim University, Alar, Xinjiang, China
| | - Ahrar Khan
- Department of Veterinary Medical Science, Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong, China
- Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
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Masoudi R, Hatami M, Esmaeilkhanian S, Zarei F, Sharafi M, Hatefi A. Preservation of rooster post-thawed sperm epigenetic modifications, fertility potential and other quality parameters in different extenders using reduced glutathione. Theriogenology 2024; 215:24-30. [PMID: 38000126 DOI: 10.1016/j.theriogenology.2023.11.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 11/13/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023]
Abstract
Although rooster semen cryopreservation is an efficient procedure to spread qualified semen samples for reproductive goals, some post-thawed qualified semen samples resulted in poor fertility rate that could be related to epigenetic modifications during the cryopreservation process. This research was conducted to investigate the effect of reduced glutathione (GSH) in different cryopreservation extenders (Lake and Beltsville) on preservation of epigenetic modifications, fertility potential and other quality parameters of rooster sperm after thawing. Semen samples were collected and diluted in Lake and Beltsville extenders as follows: L-0: Lake without GSH, L-G: Lake with GSH, B-0: Beltsville without GSH, and B-G: Beltsville with GSH. After freeze-thawing process, sperm motility, membrane functionality, mitochondrial activity, acrosome integrity, viability, apoptosis status, lipid peroxidation, DNA fragmentation, ROS concentration, epigenetic modifications and fertility potential were evaluated. In results, the type of extender had no effect (P > 0.05) of post-thawed sperm quality. The treatments containing GSH presented higher (P ≤ 0.05) total motility, progressive motility, membrane functionality, mitochondrial activity, acrosome integrity, viability, DNA methylation, fertility as well as lower (P ≤ 0.05) lipid peroxidation, apoptosis, DNA fragmentation and ROS concentration than other treatments. Extender supplementation with GSH had no effect (P > 0.05) on histone methylation, histone acetylation and hatching rate. In conclusion, supplementation of rooster sperm cryopreservation extender with GSH could be an effective strategy to preserve post-thawed sperm DNA methylation, fertility and other quality parameters during reproductive programs.
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Affiliation(s)
- R Masoudi
- Animal Science Research Institute of Iran (ASRI), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - M Hatami
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - S Esmaeilkhanian
- Animal Science Research Institute of Iran (ASRI), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
| | - F Zarei
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - M Sharafi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran; Semex Alliance, Saint-Hyacinthe, Canada.
| | - A Hatefi
- Department of Animal Science, University of Tehran, Karaj, Iran
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Khalil WA, Sharaf AE, Khalifa EI, El-Harairy MA, Swelum AA, Abdelnour SA. Recent approaches in the use of antioxidants and proteomic modifications in ram semen preservation. Reprod Domest Anim 2023; 58:1639-1653. [PMID: 37786951 DOI: 10.1111/rda.14485] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 09/11/2023] [Accepted: 09/22/2023] [Indexed: 10/04/2023]
Abstract
Sperm preservation is a well-established technique in reproductive biotechnology that is widely used to maintain the genetic quality of male individuals. However, there are several factors during the preservation process that can affect the vitality, functionality, and quality of sperm, thereby reducing their fertility potential after thawing. One of these factors is the synthesis of high levels of oxidative stress (OS) during semen preservation, which can have detrimental effects on sperm health and functionality. To counter the negative impact of OS on sperm, researchers have explored the supplementation of several exogenous antioxidants in the extenders used to preserve ram sperm. This approach has shown promising results in improving sperm health, functionality, and fertility potential in ram. Additionally, the preservation process can induce modifications in the ram sperm proteome. By employing targeted proteomics techniques, researchers have been able to identify and modify specific proteins in cryopreserved ram sperm, potentially offering further improvements in the quality of the cryopreserved ram sperm. In summary, this review provides a comprehensive overview of the antioxidants and targeted proteomics modifications that have been investigated for enhancing ram sperm preservation. These advancements aim to mitigate the negative effects of OS and optimize the techniques used in preserving ram sperm.
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Affiliation(s)
- Wael A Khalil
- Department of Animal Production, Faculty of Agriculture, Mansoura University, Mansoura, Egypt
| | - Asmaa E Sharaf
- Department of Animal Production, Faculty of Agriculture, Mansoura University, Mansoura, Egypt
| | - Ezz I Khalifa
- Animal Production Research Institute, Agricultural Research Center, Ministry of Agriculture, Dokki, Giza, Egypt
| | - Mostafa A El-Harairy
- Department of Animal Production, Faculty of Agriculture, Mansoura University, Mansoura, Egypt
| | - Ayman A Swelum
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Sameh A Abdelnour
- Department of Animal Production, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
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Zhang X, Guo SM, Zhu DW, Li Y, Wen F, Xian M, Hu ZT, Zou QL, Zhang LK, Chen YL, Hu JH. Metformin improves sheep sperm cryopreservation via vitalizing the AMPK pathway. Theriogenology 2023; 208:60-70. [PMID: 37301167 DOI: 10.1016/j.theriogenology.2023.05.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 05/07/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023]
Abstract
Adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) is a key regulator of sperm function and physiological metabolism. Metformin, an inexpensive and effective antioxidant, is known to play an important role in the activation of AMPK. Therefore metformin has potential to improve sperm cryopreservation. The aim of this study was to investigate the effect of metformin during semen cryopreservation of sheep and to find the most effective concentration in freezing extender. Semen were cryopreserved with extender containing different concentrations of metformin (0, 0.25, 0.5, 1.0, 2.0 and 4.0 mmol/L). Sperm motility, acrosome integrity and plasma membrane integrity were measured after semen freezing and thawing. All results showed that sperm quality was significantly increased in the 1.0 mmol/L metformin-treated group compared with the control group (P < 0.05). In addition, the study showed that metformin effectively reduced the content of malondialdehyde (MDA) and reactive oxygen species (ROS), and increased the activity of glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), catalase (CAT) and total antioxidant capacity (T-AOC) of freeze-thawed sperm (P < 0.05). The optimal concentration of metformin was 1.0 mmol/L. Moreover, the results showed that AMPK was localized in the acrosome region, junction and midsection of sperm, and p-AMPK was distributed in the post-acrosomal region, junction and midsection. Western blot analysis indicated that 1.0 mmol/L metformin stimulated the phosphorylation of AMPK in sperm. Further results showed that 1.0 mmol/L metformin significantly increased the mitochondrial membrane potential (ΔΨm), ATP content, glucose uptake and lactate efflux of post-thawed sperm through the AMPK pathway, improved sperm quality, and increased the cleavage rate of in vitro fertilization (P < 0.05).
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Affiliation(s)
- Xing Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Song-Mao Guo
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Da-Wei Zhu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yu Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Fei Wen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Ming Xian
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Zhang-Tao Hu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qian-Long Zou
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Li-Kun Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yu-Lin Chen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Jian-Hong Hu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Carriço C, Barbas JP, Pimenta J, Simões J. Effect of In Vitro Addition of Melatonin and Glutathione on Seminal Parameters of Rams in Diluted Semen and after Thawing. Vet Sci 2023; 10:446. [PMID: 37505850 PMCID: PMC10383498 DOI: 10.3390/vetsci10070446] [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: 05/26/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/29/2023] Open
Abstract
The present study aimed to evaluate the effects of melatonin (MLT), glutathione (GSH), and their combination on ram semen quality after thawing. During eight weekly sessions, semen from three Merino rams was pooled, diluted with an egg-yolk-based semen extender, and divided into four groups: control, 1 mM MLT, 5 mM GSH, and 1 mM MLT + 5 mM GSH. Diluted semen was evaluated before and after the freezing process. The supplementation of diluted semen with GSH at 5 mM had a deleterious effect on total motility progressive (TPM), curvilinear velocity (VCL), straight-line velocity (VSL), average-path velocity (VAP), linearity (LIN), and straightness (STR) and increased slow spermatozoa (%). MLT at 1 mM also had a negative effect on TPM, VSL, and STR in diluted semen. In thawed semen, 1 mM MLT increased the TPM compared with the control group. VSL was lower in the 5 mM GSH group than in the 1 mM MLT group. Additionally, the combination of both antioxidants attenuated the negative effect of 5 mM GSH on TPM, VSL, and BCF. These results indicate that 5 mM GSH impairs or does not improve sperm kinetic parameters in either diluted or thawed semen. They also suggest that MLT combined with GSH plays a protective role against these effects.
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Affiliation(s)
- Cristiana Carriço
- Department of Veterinary Sciences, Animal and Veterinary Research Centre (CECAV), Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), School of Agricultural and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - João Pedro Barbas
- Department of Biotechnology and Genetic Resources of Instituto Nacional de Investigação Agrária e Veterinária (INIAV), Quinta da Fonte Boa, 2005-048 Vale de Santarém, Portugal
- CIISA-AL4AnimalS, Faculty of Veterinary Medicine, University of Lisbon, 1649-004 Lisboa, Portugal
| | - Jorge Pimenta
- Department of Biotechnology and Genetic Resources of Instituto Nacional de Investigação Agrária e Veterinária (INIAV), Quinta da Fonte Boa, 2005-048 Vale de Santarém, Portugal
- CIISA-AL4AnimalS, Faculty of Veterinary Medicine, University of Lisbon, 1649-004 Lisboa, Portugal
| | - João Simões
- Department of Veterinary Sciences, Animal and Veterinary Research Centre (CECAV), Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), School of Agricultural and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
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de Mello Pedrosa SMB, de Lima Pontes Venâncio AK, Lopes LA, da Silva TGP, de Carvalho FFR, da Silva Júnior VA. Supplementation of feedlot lambs with cactus cladodes as strategy to improve testicular function. Trop Anim Health Prod 2023; 55:202. [PMID: 37191908 DOI: 10.1007/s11250-023-03618-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
The aim of this study was to evaluate the effects of diets containing cactus cladodes genotypes on plasma testosterone levels, testicular histopathological and histomorphometric parameters, and oxidative stress markers in lambs. Thirty-six male, intact Santa Inês lambs (22.0 ± 2.9 kg initial body weight), were to feedlot for 86 days. A completely randomized design was used with three dietary treatments (control diet with Tifton-85 hay as the only roughage; and two more diets with Miúda or OEM cactus cladodes partially replacing hay) and twelve replicates. There was no influence of the diets on the testicular weight (P = 0.414) and gonadosomatic index (P = 0.384) of lambs. The testosterone serum concentrations were almost twice as higher in lambs fed Miúda cactus cladodes compared to control treatment. There was greater incidence and severity of lesions in the testicular parenchyma of animals that received control diet: loosening of germ cell epithelium, germ cell desquamation and vacuolization of Sertoli cells. The seminiferous tubule diameter and height of the seminiferous epithelium were higher in lambs fed OEM cactus cladodes (P = 0.003). The tubular volume and Leydig cells volume were higher in animals fed with cactus cladodes (P < 0.05). The levels of malondialdehyde were higher in the lambs of control group compared to OEM group (P = 0.039) and the testicular concentration of nitric oxide was higher in control group (P = 0.009). The diet containing OEM cactus cladodes increased the levels of superoxide dismutase. Our results indicate that diets containing cactus cladodes promote antioxidant protection to the testicular parenchyma and preserve the spermatogenic process of lambs.
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Affiliation(s)
- Simone Monte Bandeira de Mello Pedrosa
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Dom Manuel de Medeiros Street, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Anna Kelly de Lima Pontes Venâncio
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Dom Manuel de Medeiros Street, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Levi Auto Lopes
- Department of Animal Science, Federal Rural University of Pernambuco, Dom Manuel de Medeiros Street, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Tomás Guilherme Pereira da Silva
- Department of Animal Science, Federal Rural University of Pernambuco, Dom Manuel de Medeiros Street, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil.
| | - Francisco Fernando Ramos de Carvalho
- Department of Animal Science, Federal Rural University of Pernambuco, Dom Manuel de Medeiros Street, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
| | - Valdemiro Amaro da Silva Júnior
- Department of Veterinary Medicine, Federal Rural University of Pernambuco, Dom Manuel de Medeiros Street, s/n, Dois Irmãos, Recife, PE, 52171-900, Brazil
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Zidni I, Lee HB, Yoon JH, Park JY, Jang HS, Co YS, Pratiwi DY, Lim HK. Intermediate-Term Storage of Spotted Halibut ( Verasper variegatus) Sperm: Effects of Storage Methods, Extenders Supplemented with Antibiotics and Antioxidants on Sperm Quality. Antioxidants (Basel) 2023; 12:122. [PMID: 36670984 PMCID: PMC9854475 DOI: 10.3390/antiox12010122] [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: 11/21/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023] Open
Abstract
Intermediate-term preservation of sperm assists the reproductive management of fish spermatozoa; however, no information is available on sperm of the spotted halibut, Verasper variegatus. We aimed to identify the optimum diluents, temperatures, dilution ratios, antibiotics, and antioxidants for sperm motility and cell viability. The diluents evaluated were marine fish Ringer’s solution (MFRS), Stein’s solution, 300 mM sucrose, and 300 mM glucose (diluted 1:1 [sperm: diluent], 1:2, 1:4, and 1:10 and stored at 0, 2, 4, and 6 °C). Neomycin and gentamycin (100, 200, 400, and 800 mg/L) and antioxidants (Mito-TEMPO [0, 25, 50, 75, 100, 125, 150, 175, and 200 µM], reduced glutathione [0, 2, 4, 6, 8, and 10 mM], and trehalose [0, 50, 100, 150, 200, and 250 mM]) were assessed in terms of sperm preservation. The most effective condition for cold storage of spotted halibut sperm was Stein’s solution at a dilution ratio of 1:4 at 2 °C, with a combination of neomycin 800 mg/L and 250 mM trehalose that showed spermatozoa motility of > 43% after 60 days. These storage conditions will be valuable for spotted halibut hatcheries.
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Affiliation(s)
- Irfan Zidni
- Department of Biomedicine, Health & Life Convergence Science, BK21 Four, Mokpo National University, Muan 58554, Republic of Korea
- Department of Fisheries, The Faculty of Fisheries and Marine Science, Universitas Padjadjaran, Sumedang Regency 45363, Indonesia
| | - Hyo-Bin Lee
- Department of Biomedicine, Health & Life Convergence Science, BK21 Four, Mokpo National University, Muan 58554, Republic of Korea
| | - Ji-Hye Yoon
- Department of Biomedicine, Health & Life Convergence Science, BK21 Four, Mokpo National University, Muan 58554, Republic of Korea
| | - Jung-Yeol Park
- Department of Aquaculture and Aquatic Science, Kunsan National University, 558 Daehak-ro, Gunsan 54150, Republic of Korea
| | - Hyun-Seok Jang
- Department of Biomedicine, Health & Life Convergence Science, BK21 Four, Mokpo National University, Muan 58554, Republic of Korea
| | - Youn-Su Co
- Department of Fishery Biology, Pukyong National University, Busan 48512, Republic of Korea
| | - Dian Yuni Pratiwi
- Department of Biomedicine, Health & Life Convergence Science, BK21 Four, Mokpo National University, Muan 58554, Republic of Korea
- Department of Fisheries, The Faculty of Fisheries and Marine Science, Universitas Padjadjaran, Sumedang Regency 45363, Indonesia
| | - Han-Kyu Lim
- Department of Biomedicine, Health & Life Convergence Science, BK21 Four, Mokpo National University, Muan 58554, Republic of Korea
- Department of Marine and Fisheries Resources, Mokpo National University, Muan 58554, Republic of Korea
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Sharafi M, Borghei-Rad SM, Hezavehei M, Shahverdi A, Benson JD. Cryopreservation of Semen in Domestic Animals: A Review of Current Challenges, Applications, and Prospective Strategies. Animals (Basel) 2022; 12:3271. [PMID: 36496792 PMCID: PMC9739224 DOI: 10.3390/ani12233271] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/11/2022] [Accepted: 11/21/2022] [Indexed: 11/26/2022] Open
Abstract
Cryopreservation is a way to preserve germplasm with applications in agriculture, biotechnology, and conservation of endangered animals. Cryopreservation has been available for over a century, yet, using current methods, only around 50% of spermatozoa retain their viability after cryopreservation. This loss is associated with damage to different sperm components including the plasma membrane, nucleus, mitochondria, proteins, mRNAs, and microRNAs. To mitigate this damage, conventional strategies use chemical additives that include classical cryoprotectants such as glycerol, as well as antioxidants, fatty acids, sugars, amino acids, and membrane stabilizers. However, clearly current protocols do not prevent all damage. This may be due to the imperfect function of antioxidants and the probable conversion of media components to more toxic forms during cryopreservation.
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Affiliation(s)
- Mohsen Sharafi
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
- Semex Alliance, Guelph, ON N1H 6J2, Canada
| | - Seyyed Mohsen Borghei-Rad
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran 16635-148, Iran
| | - Maryam Hezavehei
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran 16635-148, Iran
| | - Abdolhossein Shahverdi
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran 16635-148, Iran
| | - James D. Benson
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
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Advances in sperm cryopreservation in farm animals: Cattle, horse, pig and sheep. Anim Reprod Sci 2022; 246:106904. [PMID: 34887155 DOI: 10.1016/j.anireprosci.2021.106904] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 12/14/2022]
Abstract
Sperm cryopreservation is one of the most important procedures in the development of biotechnologies for assisted reproduction. In some farm animals, the use of cryopreserved sperm has so many benefits for which relevance has become more evident in recent decades. Values for post-thaw sperm quality, however, are variable among species and within individuals of the same species. There is no standardized methodology for each of the stages of the cryopreservation procedure (andrological examination, semen collection, dilution, centrifugation, resuspension of the pellet with the freezing medium, packaging, freezing and post-thaw sperm evaluation), which also contributes to differences among studies. Cryotolerance markers of sperm and seminal plasma (SP) have been evaluated for prediction of ejaculate freezability. In addition, in previous research, there has been a focus on supplementing cryopreservation media with different substances, such as enzymatic and non-enzymatic antioxidants. In most studies, inclusion of these substances have led to improved post-thaw sperm quality and fertilizing capacity as a result of minimizing the adverse effects on sperm structure and function. Another approach is the use of different cryoprotectants. The aim with this review article is to provide an update on sperm cryopreservation in farm animals. The main detrimental effects of cryopreservation are described, including the negative repercussion on reproductive performance. Furthermore, the potential use of molecular biomarkers to predict sperm cryotolerance is discussed, as well as the addition of substances that can mitigate the harmful impact of freezing and thawing on sperm.
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Akhtar MF, Ma Q, Li Y, Chai W, Zhang Z, Li L, Wang C. Effect of Sperm Cryopreservation in Farm Animals Using Nanotechnology. Animals (Basel) 2022; 12:ani12172277. [PMID: 36077996 PMCID: PMC9454492 DOI: 10.3390/ani12172277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/27/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
Sperm cryopreservation is one of the sublime biotechnologies for assisted reproduction. In recent decades, there has been an increasing trend in the use of preserved semen. Post-thaw semen quality and values vary among animals of the same species. Similarly, there are species-specific variations in sperm morphology, i.e., sperm head, kinetic properties, plasma membrane integrity, and freezability. Similarly, the viability of sperm varies in the female reproductive tract, i.e., from a few hours (in cattle) to several days (in chicken). Various steps of sperm cryopreservation, i.e., male health examination, semen collection, dilution, semen centrifugation, pre- and post-thaw semen quality evaluation, lack standardized methodology, that result in differences in opinions. Assisted reproductive technologies (ART), including sperm preservation, are not applied to the same extent in commercial poultry species as in mammalian species for management and economic reasons. Sperm preservation requires a reduction in physiological metabolism by extending the viable duration of the gametes. Physiologically and morphologically, spermatozoa are unique in structure and function to deliver paternal DNA and activate oocytes after fertilization. Variations in semen and sperm composition account for better handling of semen, which can aid in improved fertility. This review aims to provide an update on sperm cryopreservation in farm animals.
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Vozaf J, Svoradová A, Baláži A, Vašíček J, Olexiková L, Dujíčková L, Makarevich AV, Jurčík R, Ďúranová H, Chrenek P. The Cryopreserved Sperm Traits of Various Ram Breeds: Towards Biodiversity Conservation. Animals (Basel) 2022; 12:ani12101311. [PMID: 35625160 PMCID: PMC9137843 DOI: 10.3390/ani12101311] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 12/11/2022] Open
Abstract
The aim of our research was to compare three Slovak sheep breeds in the quality parameters of cryopreserved sperm. The ejaculates of Slovak Dairy (SD), Native Wallachian (NW), and Improved Wallachian (IW) sheep rams (n = 12) were collected by electro-ejaculation. Heterospermic samples were created from suitable ejaculates, separately for each breed (at least 90% of total and 80% of progressive motility). Samples were equilibrated in a Triladyl® diluent and frozen by automated freezing. Sperm samples were subjected to the motility, morphology, (CASA), viability and apoptosis (DRAQ7/Yo-Pro-1), fertilizing capability (penetration/fertilization test (P/F) in vitro) and acrosomal status (transmission electron microscopy) assays before freezing and after thawing. It was found that there were no significant differences (p < 0.05) between the evaluated breeds in motility, viability, apoptosis, morphological properties, and fertilizing ability of cryopreserved sperm. Significant differences occurred in acrosomal status. Our results demonstrate that the use of the selected cryopreservation protocol is suitable for at least three different sheep breeds, which can greatly benefit the biodiversity protection and simplifies the creation of an animal genetic resources gene bank.
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Affiliation(s)
- Jakub Vozaf
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94901 Nitra, Slovakia; (J.V.); (J.V.)
| | - Andrea Svoradová
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
- Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, 613 00 Brno, Czech Republic
| | - Andrej Baláži
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
| | - Jaromír Vašíček
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94901 Nitra, Slovakia; (J.V.); (J.V.)
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
| | - Lucia Olexiková
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
| | - Linda Dujíčková
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
- Department of Botany and Genetics, Constantine the Philosopher University in Nitra, Trieda Andreja Hlinku 1, 94974 Nitra, Slovakia
| | - Alexander V. Makarevich
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
| | - Rastislav Jurčík
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
| | - Hana Ďúranová
- AgroBioTech Research Centre, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94901 Nitra, Slovakia;
| | - Peter Chrenek
- Institute of Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 94901 Nitra, Slovakia; (J.V.); (J.V.)
- NPPC, Research Institute for Animal Production Nitra, Hlohovecka 2, 95141 Lužianky, Slovakia; (A.S.); (A.B.); (L.O.); (L.D.); (A.V.M.); (R.J.)
- Correspondence:
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12
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Alevra AI, Exadactylos A, Mente E, Papadopoulos S. The Protective Role of Melatonin in Sperm Cryopreservation of Farm Animals and Human: Lessons for Male Fish Cryopreservation. Animals (Basel) 2022; 12:ani12060791. [PMID: 35327189 PMCID: PMC8944624 DOI: 10.3390/ani12060791] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/12/2022] [Accepted: 03/18/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary In recent years, cryopreservation of fish sperm has been a rapidly evolving technique that contributes both to the improvement of genetic reproduction programs and the proper management of broodstock as well as to ensuring the viability of endangered species. However, this technique can cause significant damage to sperm, making the use of cryoprotectants and antioxidants in cryopreservation solutions imperative. The hormone melatonin has demonstrated positive effects on the cryopreservation of sperm in both farm animals and humans. Therefore, the plethora of research that has been conducted on animals and humans could be expanded to fish cryopreservation, making melatonin potentially a very promising alternative cryoprotectant. Abstract Cryopreservation is a technique that offers various advantages, especially in fish, among others, that makes the reproduction of species easier through a constant supply of sperm, synchronization of the gamete availability of both sexes, storage of semen for genetic improvement programs, reduction in the cost by eliminating the need to maintain male broodstock, and conserving the gametes of endangered species. However, freezing and warming procedures for cryopreservation lead to a reduction in the quality and viability of cryopreserved sperm because of oxidative stress. For this reason, the enrichment of extender media with antioxidants is a common method of cryopreservation of the semen of several fish species. Recently, many studies have been published for the protective role of antioxidants and especially of melatonin on male fertility preservation both in farm animals and humans, demonstrating the beneficial effects of melatonin as a sperm cryoprotectant. On the other hand, very few studies were conducted using melatonin as an antioxidant in different male fish species for semen cryopreservation. We conclude that the use of moderate concentrations of melatonin are beneficial to semen preservation, and the mechanisms through which melatonin acts positively on spermatozoa need to be further investigated to establish improvement protocols for cryopreservation in fish species.
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Affiliation(s)
- Alexandra I. Alevra
- Hydrobiology-Ichthyology Laboratory, Department of Ichthyology and Aquatic Environment, University of Thessaly, Fytokou Str., 38446 Volos, Greece;
- Correspondence: (A.I.A.); (S.P.); Tel.: +30-241-093-139 (S.P.)
| | - Athanasios Exadactylos
- Hydrobiology-Ichthyology Laboratory, Department of Ichthyology and Aquatic Environment, University of Thessaly, Fytokou Str., 38446 Volos, Greece;
| | - Eleni Mente
- Laboratory of Ichthyology-Culture and Pathology of Aquatic Animals, School of Veterinary Medicine, Aristotle University of Thessaloniki, University Campus, 54006 Thessaloniki, Greece;
| | - Serafeim Papadopoulos
- Hydrobiology-Ichthyology Laboratory, Department of Ichthyology and Aquatic Environment, University of Thessaly, Fytokou Str., 38446 Volos, Greece;
- Correspondence: (A.I.A.); (S.P.); Tel.: +30-241-093-139 (S.P.)
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13
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Impact of Seminal Plasma Antioxidants on Donkey Sperm Cryotolerance. Antioxidants (Basel) 2022; 11:antiox11020417. [PMID: 35204299 PMCID: PMC8869541 DOI: 10.3390/antiox11020417] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 02/06/2023] Open
Abstract
This study investigated whether the activities of the antioxidant components of donkey seminal plasma (SP)—both enzymatic (superoxide dismutase (SOD), catalase-like (CAT), glutathione peroxidase-like (GPX), and paraoxonase type 1 (PON1)) and non-enzymatic (measured in terms of total thiol, copper-reducing antioxidant capacity (CUPRAC), ferric-reducing ability of plasma (FRAP), and Trolox equivalent antioxidant capacity (TEAC))—and oxidative stress index (OSI) are related to sperm cryotolerance. For this purpose, 15 ejaculates from jackasses (one per individual) were collected and split into two aliquots. The first one was used for measuring the activities levels of enzymatic and non-enzymatic antioxidants and OSI in SP, whereas the other aliquot was cryopreserved. Before cryopreservation, sperm quality parameters (concentration, motility, and viability) were evaluated. After thawing, sperm motility, plasma membrane integrity, lipid disorder, mitochondrial membrane potential, reactive oxygen species (ROS), and calcium intracellular levels were also determined. Based on the percentages of total motility (TM) and of sperm with an intact plasma membrane (SYBR14+/PI−) after thawing, samples were classified as good-freezability (GFE) or poor-freezability (PFE) ejaculates through cluster analyses. The SP activity levels of enzymatic (SOD and PON1) and non-enzymatic antioxidants (CUPRAC, FRAP, and TEAC) were higher (p < 0.05) in GFE than in PFE, whereas SP-OSI was higher (p < 0.05) in PFE than in GFE. In addition, the activity levels of SOD, PON1, GPX, CUPRAC, FRAP, and TEAC were positively (p < 0.05) related to post-thaw sperm motility and plasma membrane integrity and negatively to intracellular ROS levels. The SP-OSI was negatively correlated (p < 0.05) to post-thaw sperm quality parameters and positively to intracellular ROS levels. It can thus be concluded that donkey SP antioxidants are related to sperm cryotolerance and that measurements of antioxidants PON1, SOD, CUPRAC, FRAP, and TEAC, as well as SP-OSI, could be used as markers of sperm cryotolerance. Further research addressing the relationship of these antioxidants and SP-OSI with sperm cryotolerance and their potential use as freezing markers is warranted.
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Yang H, Hu E, Matthews JL, Varga ZM, Tiersch TR. Is catalase an effective additive to alleviate oxidative stress during cryopreservation of zebrafish sperm at the repository level? Cryobiology 2022; 104:70-78. [PMID: 34728226 PMCID: PMC8923218 DOI: 10.1016/j.cryobiol.2021.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 10/11/2021] [Accepted: 10/28/2021] [Indexed: 02/03/2023]
Abstract
The goal of this study was to investigate whether supplementation of cryoprotective medium with catalase (CAT), an antioxidation enzyme, is efficient for zebrafish sperm cryopreservation from the viewpoint of high-throughput genetic repository operations. Three cryoprotectants (10%, v/v), dimethylacetamide (DMA), dimethylformamide (DMF), and methanol were used. The objectives were to evaluate the effects of CAT on sperm motility, plasma membrane integrity, and concentration for: 1) fresh sperm at equilibration up to 60 min; 2) post-thaw sperm after cooling at 10, 20, and 40 °C/min), and 3) post-thaw fertilization and embryo survival rates. Catalase addition did not improve sperm motility, regardless of the cryoprotectants added. After 10-min exposure to DMA or methanol, membrane integrity was significantly decreased (70-75%) compared to controls. With catalase, sperm cells maintained membrane integrity and after 50 min equilibration, cell concentrations were maintained with CAT compared to cryoprotectant-only test groups. However, after cryopreservation and thawing, CAT did not affect the outcome of motility, membrane integrity, cell concentration, fertilization, or embryo survival assays. Analysis of cooling rates also indicated that CAT did not affect 3-hpf fertilization or 24-hpf survival rates. Overall, addition of CAT could provide some protection of sperm from oxidative stress before freezing, but not after thawing. We propose that decisions concerning routine use of CAT for repositories, especially those handling tens of thousands of frozen samples per year, would depend on whether efficient high-throughput operation, or specific research questions are programmatic goals.
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Affiliation(s)
- Huiping Yang
- Fisheries and Aquatic Sciences, School of Forest, Fisheries, and Geomatics Sciences, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, 32653
| | - E Hu
- Primo Broodstock USA LLC, 3901 County Line Ditch Rd, Mims, Florida, 32754, USA
| | - Jennifer L Matthews
- Zebrafish International Resource Center, 5274 University of Oregon, Eugene, Oregon 97403, USA
| | - Zoltan M. Varga
- Zebrafish International Resource Center, 5274 University of Oregon, Eugene, Oregon 97403, USA
| | - Terrence R. Tiersch
- Aquatic Germplasm and Genetic Resources Center, School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, LA 70820, USA
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15
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Ogata K, Imai A, Sato S, Nishino K, Watanabe S, Somfai T, Kobayashi E, Takeda K. Effects of reduced glutathione supplementation in semen freezing extender on frozen-thawed bull semen and in vitro fertilization. J Reprod Dev 2021; 68:53-61. [PMID: 34866119 PMCID: PMC8872743 DOI: 10.1262/jrd.2021-079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
During cryopreservation, spermatozoa may suffer cold and cryo-induced injuries -associated with alterations in cell defense systems- that are detrimental to their function and subsequent fertility. This study aimed to determine the efficacy of supplementing the semen freezing extender with the antioxidant reduced glutathione (GSH) in cattle. Semen was collected from four bulls and diluted in a freezing extender supplemented with or without GSH (0, 1, 5, and 10 mM) before the cooling step of the cryopreservation process. After thawing, the quality of the frozen-thawed semen was investigated for motility, viability, acrosomal and DNA integrity, and subsequent embryo development after in vitro fertilization of bovine oocytes. Additionally, semen from one of the bulls was used to analyze semen antioxidative potential, sperm penetration into oocytes, male pronucleus formation rate, and embryo DNA integrity. The sperm quality varied among bulls after GSH supplementation. One bull had decreased sperm total motility, and two bulls had decreased sperm DNA integrity. GSH supplementation had positive effects on embryo development for three bulls. Two of them showed both improved cleavage and blastocyst formation rates, while the other one only showed an improved cleavage rate. We observed positive effects on early male pronucleus formation and no negative effects on DNA integrity and cell number in blastocyst stage embryos. Although the effect varies depending on individual bulls and GSH concentration, GSH supplementation in semen may improve in vitro embryo production from frozen semen.
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Affiliation(s)
- Kazuko Ogata
- Institute of Livestock and Grassland Science (NILGS), National Agriculture and Food Research Organization (NARO), Ibaraki 305-0901, Japan
| | - Akira Imai
- Hiroshima Prefectural Livestock Technology Research Center, Hiroshima 739-0151, Japan
| | - Shinya Sato
- Hiroshima Prefectural Livestock Technology Research Center, Hiroshima 739-0151, Japan
| | - Kagetomo Nishino
- Beef Cattle Institute, Ibaraki Prefectural Livestock Research Center, Ibaraki 319-2224, Japan
| | - Shinya Watanabe
- Institute of Livestock and Grassland Science (NILGS), National Agriculture and Food Research Organization (NARO), Ibaraki 305-0901, Japan
| | - Tamas Somfai
- Institute of Agrobiological Sciences, NARO, Ibaraki 305-8518, Japan
| | - Eiji Kobayashi
- Institute of Livestock and Grassland Science (NILGS), National Agriculture and Food Research Organization (NARO), Ibaraki 305-0901, Japan
| | - Kumiko Takeda
- Institute of Livestock and Grassland Science (NILGS), National Agriculture and Food Research Organization (NARO), Ibaraki 305-0901, Japan
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Addition of Reduced Glutathione (GSH) to Freezing Medium Reduces Intracellular ROS Levels in Donkey Sperm. Vet Sci 2021; 8:vetsci8120302. [PMID: 34941829 PMCID: PMC8703656 DOI: 10.3390/vetsci8120302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/26/2021] [Accepted: 11/30/2021] [Indexed: 11/16/2022] Open
Abstract
In donkeys, the use of frozen-thawed sperm for artificial insemination (AI) leads to low fertility rates. Furthermore, donkey sperm produce a large amount of reactive oxygen species (ROS), and post-AI inflammation induces the formation of neutrophil extracellular traps (NETosis), which further generates many more ROS. These high ROS levels may induce lipid peroxidation in the sperm plasma membrane, thus affecting its integrity. Enzymatic and non-enzymatic antioxidants, mainly found in the seminal plasma (SP), are responsible for maintaining the redox balance. However, this fluid is removed prior to cryopreservation, thereby exposing sperm cells to further oxidative stress. The exogenous addition of antioxidants to the freezing medium can reduce the detrimental effects caused by ROS generation. Therefore, the aim of this study was to evaluate how the addition of different reduced glutathione (GSH) concentrations (control, 2 mM, 4 mM, 6 mM, 8 mM, and 10 mM) to fresh sperm affect their cryotolerance. Total and progressive motility, kinematic parameters and motile sperm subpopulations were significantly (p < 0.05) different from the control in treatments containing 8 mM and 10 mM GSH, but not at lower concentrations. Plasma and acrosome membrane integrity, mitochondrial membrane potential (MMP) and intracellular superoxide levels (O2−) were not affected (p > 0.05) by any GSH concentration. Interestingly, however, the addition of 8 mM or 10 mM GSH reduced (p < 0.05) the percentages of viable sperm with high overall ROS levels compared to the control. In conclusion, frozen-thawed donkey sperm are able to tolerate high GSH concentrations, which differs from what has been observed in other species. This antioxidant capacity suggests that ROS could be important during post-AI and that the impact of using exogenous antioxidants like GSH to improve the sperm resilience to freeze-thawing is limited in this species.
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17
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Effect of superoxide dismutase, catalase, and glutathione reductase supplementation on cryopreservation of Black Bengal buck semen. Trop Anim Health Prod 2021; 53:552. [PMID: 34812951 DOI: 10.1007/s11250-021-02995-7] [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: 04/26/2021] [Accepted: 11/11/2021] [Indexed: 10/19/2022]
Abstract
The present experiment was carried out with the objectives to study the effects of antioxidants superoxide dismutase (SOD), catalase (CAT), and glutathione reductase (GSH) on cryopreservation of Black Bengal buck semen. Semen ejaculates (n = 60) were collected from eight bucks by artificial vagina method and diluted with Tris citrate egg yolk glycerol extender. To study the effect of antioxidants, SOD was added @ 0, 100, and 150 IU/ml; CAT was added @ 0, 200, and 400 IU/ml while GSH was added @ 0, 1, and 2 mM of diluted semen. Semen samples were equilibrated and vapor frozen in liquid nitrogen. Semen samples were evaluated after 48 h of storage for post thaw in vitro characters such as motility, viability, functional membrane integrity, and acrosome integrity. Semen extenders supplemented with SOD @ 100 and 150 IU/ml and GSH @ 1 and 2 mM had a higher (p < 0.01) number of motile cells, viable cells, HOST reacted cells, and acrosome intact cells than their respective controls. Further, semen extenders added with catalase @ 200 and 400 IU/ml had more (p < 0.05) number of viable, HOST reacted cells and significantly higher (p < 0.01) acrosome intact sperm cells than its control group. It can be concluded that supplementation of antioxidants SOD, GSH, and CAT had a beneficial effect on cryopreservation of Black Bengal buck semen.
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Rodríguez-Tobón E, Fierro R, González-Márquez H, García-Vázquez FA, Arenas-Ríos E. Boar sperm incubation with reduced glutathione (GSH) differentially modulates protein tyrosine phosphorylation patterns and reorganization of calcium in sperm, in vitro fertilization, and embryo development depending on concentrations. Res Vet Sci 2020; 135:386-396. [PMID: 33153763 DOI: 10.1016/j.rvsc.2020.10.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 10/15/2020] [Accepted: 10/20/2020] [Indexed: 12/21/2022]
Abstract
The sperm in the female's reproductive tract undergo changes to fertilize the oocyte (sperm capacitation). These changes are regulated by redox system. However, some assisted reproductive technologies require sperm capacitation under in vitro conditions, though this increases the generation of ROS. Therefore, the aim of this study was to evaluate the effect of GSH as an antioxidant agent during the capacitation of boar sperm [evaluated by calcium compartmentalization, tyrosine phosphorylation (Tyr-P), motility, viability, and acrosomal integrity], in vitro fertilization (evaluated by penetration, monospermy, and efficiency %), and later embryo development (evaluated by cleavage and blastocyst rates, total number of cells per blastocyst and blastocyst diameter). Four experimental groups with different GSH concentrations (0-control, 0.5, 1, and 5 mM) were formed. When 1-GSH was added to the medium, the percentage of capacitated sperm increased after 4 h of incubation; the localization of Tyr-P was modified at 1 h and 4 h of incubation depending on the GSH concentration. Percentages of total and progressive sperm motility also increased at 4 h of incubation, but only in the 5-GSH group compared to control. Viability, acrosomal integrity, and general Tyr-P (Western blot) not differ among the experimental groups. The addition of GSH during gamete interaction increased penetration, monospermy, and efficiency rates in the 1-GSH group compared to the others. However, the effect of GSH was not observed in cleavage and blastocyst rates compared to the control. In conclusion, adding GSH modulates sperm capacitation (by means of calcium compartmentalization and tyrosine phosphorilation pattern) depending on its concentration, and improves IVF output at 1-GSH during gamete interaction.
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Affiliation(s)
- Ernesto Rodríguez-Tobón
- Doctorado en Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Iztapalapa, CDMX, Mexico
| | - Reyna Fierro
- Universidad Autónoma Metropolitana, Departamento de Ciencias de la Salud, Unidad Iztapalapa, CDMX, Mexico.
| | - Humberto González-Márquez
- Universidad Autónoma Metropolitana, Departamento de Ciencias de la Salud, Unidad Iztapalapa, CDMX, Mexico.
| | - Francisco A García-Vázquez
- Departamento de Fisiología, Facultad de Veterinaria, Campus Internacional de Excelencia para la educación superior e investigación "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain; Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain.
| | - Edith Arenas-Ríos
- Universidad Autónoma Metropolitana, Departamento de Biología de la Reproducción, Unidad Iztapalapa, CDMX, Mexico.
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Supplementation of soybean lecithin-based cryopreservation medium with glutathione: Fertility and flow cytometry study of ram frozen-thawed semen. Small Rumin Res 2020. [DOI: 10.1016/j.smallrumres.2020.106169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Moradi M, Karimi I, Ahmadi S, Mohammed LJ. The necessity of antioxidant inclusion in caprine and ovine semen extenders: A systematic review complemented with computational insight. Reprod Domest Anim 2020; 55:1027-1043. [PMID: 32597508 DOI: 10.1111/rda.13754] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 06/17/2020] [Indexed: 11/28/2022]
Abstract
The inclusion of antioxidants (AOXs) has been proposed in various protocols to conserve the normal physiology of spermatozoa during (cryo) preservation. The main aim of this review was to understand the necessity of AOXs inclusion in semen extenders of caprine and ovine semen samples and to decipher physico-chemical space of AOXs used in semen extenders till now. A total 27 full-text relevant articles were finally discussed here. This systematic review showed that the inclusion of AOXs may improve the success of semen cryopreservation although at least three studies could not support this finding. AOXs have been not added after assaying total antioxidant capacity of the sample of interest, and this is principal measurement bias of all papers. Furthermore, no rational dose-response curve and precise posology have been considered in comparable studies. Furthermore, new methodologies are requested to detect the oxidative status of semen specimens before AXOs fortification and new methodologies like imaging are also needed to detect various injuries of sperms during semen (cryo)preservation. Defining computational chemical and physical spaces of AOXs which used in semen (cryo)preservation would be an interdisciplinary effort to hasten deciphering epoch-making compounds. In conclusion, more in-depth analytical, toxicological and pharmacological methodologies should be pursued in supplementation or addition of AOXs during caprine and ovine semen (cryo)preservation after determining the oxidative status of semen samples.
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Affiliation(s)
- Mojtaba Moradi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Razi University, Kermanshah, Iran
| | - Isaac Karimi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Shirin Ahmadi
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Layth J Mohammed
- Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
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Galarza DA, López‐Sebastián A, Santiago‐Moreno J. Supplementing a skimmed milk–egg yolk‐based extender with L‐carnitine helps maintain the motility, membrane integrity and fertilizing capacity of chilled ram sperm. Reprod Domest Anim 2020; 55:805-813. [DOI: 10.1111/rda.13687] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 04/03/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Diego A. Galarza
- Department of Animal Reproduction INIA Madrid Spain
- Faculty of Agriculture Sciences University of Cuenca Cuenca Ecuador
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22
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Carrera-Chávez JM, Jiménez-Aguilar EE, Acosta-Pérez TP, Núñez-Gastélum JA, Quezada-Casasola A, Escárcega-Ávila AM, Itza-Ortiz MF, Orozco-Lucero E. Effect of Moringa oleifera seed extract on antioxidant activity and sperm characteristics in cryopreserved ram semen. JOURNAL OF APPLIED ANIMAL RESEARCH 2020. [DOI: 10.1080/09712119.2020.1741374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- José Maria Carrera-Chávez
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - Edson Eduardo Jiménez-Aguilar
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - Theisy Patricia Acosta-Pérez
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - José Alberto Núñez-Gastélum
- Departamento de Ciencias Químico Biológicas, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - Andrés Quezada-Casasola
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - Angélica María Escárcega-Ávila
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - Mateo Fabián Itza-Ortiz
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
| | - Ernesto Orozco-Lucero
- Departamento de Ciencias Veterinarias, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Ciudad Juárez, México
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Masoudi R, Sharafi M, Pourazadi L, Dadashpour Davachi N, Asadzadeh N, Esmaeilkhanian S, Dirandeh E. Supplementation of chilling storage medium with glutathione protects rooster sperm quality. Cryobiology 2020; 92:260-262. [DOI: 10.1016/j.cryobiol.2019.10.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/30/2019] [Accepted: 10/10/2019] [Indexed: 10/25/2022]
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24
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Pinto S, Almeida D, Alves M, Florez-Rodriguez S, Abreu Júnior G, Alves NBE, Celeghini E, Laskoki L, Souza F. Does supplementation of vitamin C, reduced glutathione or their association in semen extender reduce oxidative stress in bovine frozen semen? ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT The aim of this study was to evaluate the addition of vitamin C, reduced glutathione and the association thereof to the bovine semen cryopreservation extender. The ejaculate from nine bulls were divided into four fractions, each corresponding to a treatment, namely: control group-semen diluted with Tris-yolk extender; vitamin C group-semen diluted in Tris-yolk extender supplemented with vitamin C (2.5mmol/mL); glutathione group-semen diluted in Tris-yolk extender supplemented with reduced glutathione (2.5mmol/mL) and associated group-semen diluted in Tris-yolk extender supplemented with vitamin C (1.25mmol/mL) and reduced glutathione (1.25mmol/mL). Afterwards, the semen was packed into French straws and submitted to cryopreservation using automated equipment. After cryopreservation, the semen was thawed and evaluated considering sperm motility, morphology, plasma membrane, acrosome, mitochondrial potential and oxidative stress, as well as the thermo resistance test. Extender’s supplementation with the association of vitamin C and reduced glutathione showed benefic effects on sperm motility and preservation of plasma and acrosomal membranes during semen cryopreservation, being also the group that showed higher values of reactive oxygen species. Thus, the association of both antioxidants contributed to the preservation of sperm cells in every analyzed characteristic, suggesting its use on bovine semen cryopreservation.
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Masoudi R, Sharafi M, Shahneh AZ. Effects of CoQ10 on the quality of ram sperm during cryopreservation in plant and animal based extenders. Anim Reprod Sci 2019; 208:106103. [PMID: 31405464 DOI: 10.1016/j.anireprosci.2019.06.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 05/14/2019] [Accepted: 06/20/2019] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to evaluate the effect of different concentrations of CoQ10 in soybean lecithin (SL) or egg yolk (EY) extenders on ram semen cryopreservation. Semen samples were collected from five rams, twice a week, then diluted in the extenders (SL and EY) containing different concentrations of CoQ10 as follows: extender containing SL: 0 μM (control, SL/Q0), 1 μM (SL/Q1), 2 μM (SL/Q2), 5 μM (SL/Q5) and 10 μM (SL/Q10) CoQ10; extender containing EY: 0 μM (control, EY/Q0), 1 μM (EY/Q1), 2 μM (EY/Q2), 5 μM (EY/Q5) and 10 μM (EY/Q10) CoQ10. Sperm motion characteristics, membrane integrity, abnormal morphology, viability, apoptotic-like changes, mitochondria active potential, acrosome integrity and lipid peroxidation were evaluated after freeze-thaw process. The SL/Q1, SL/Q2, EY/Q1 and EY/Q2 resulted in greater (P ≤ 0.05) sperm total motility, progressive motility, membrane integrity and mitochondria active potential compared to the other groups. Acrosome integrity in the SL/Q0, SL/Q1, SL/Q2, EY/Q0, EY/Q1 and EY/Q2 groups was greater (P ≤ 0.05) than in the SL/Q5, SL/Q10, EY/Q5 and EY/Q10 groups. The SL/Q2 and EY/Q2 treatment groups had greater (P ≤ 0.05) sperm viability rates and less apoptotic-like changes and lipid peroxidation. The CoQ10 compound could be explored as a novel potential antioxidant for cryopreservation of ram semen because with used of this compound in the present study there was an improved post-thawed sperm quality.
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Affiliation(s)
- Reza Masoudi
- Animal Science Research Institute of Iran (ASRI), Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran
| | - Mohsen Sharafi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
| | - Ahmad Zare Shahneh
- Department of Animal Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
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Hajihassani A, Ahmadi E, Shirazi A, Shams-Esfandabadi N. Reduced glutathione in the freezing extender improves the in vitro fertility of ram epididymal spermatozoa. Small Rumin Res 2019. [DOI: 10.1016/j.smallrumres.2019.02.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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27
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Masoudi R, Sharafi M, Shahneh AZ, Khodaei-Motlagh M. Effects of reduced glutathione on the quality of rooster sperm during cryopreservation. Theriogenology 2019; 128:149-155. [DOI: 10.1016/j.theriogenology.2019.01.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 11/22/2018] [Accepted: 01/13/2019] [Indexed: 01/23/2023]
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Miah AG, Bathgate R, Hamano KI, Salma U. Effects of pre-freeze Nigella sativa oil supplementation on cryosurvival of ovine spermatozoa. Reprod Domest Anim 2018; 53:1424-1433. [PMID: 30242923 DOI: 10.1111/rda.13275] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 06/26/2018] [Indexed: 11/26/2022]
Abstract
The study was designed with three experiments to evaluate the effects of pre-freeze supplementation of Nigella sativa oil (NSO) and thymoquinone (TQ) on total motility, progressive motility, biokinetic characteristics, acrosomal integrity and DNA integrity of cryopreserved ovine spermatozoa. Semen samples collected from three proven fertile Merino rams were diluted with a Tris-based cryomedia containing different levels of NSO (Experiment I: 0, 10, 100 and 1,000 g/ml), TQ (Experiment II: 0, 1, 10 and 20 g/ml) and their optimum levels (Experiment III: 100 g/ml of NSO, 10 g/ml of TQ and 1 mM of α-tocopherol and cryopreserved as pellet (200µL) and subsequently evaluated at different post-thaw incubation periods (0, 2 and 4 hr). The results revealed that the percentage of total motility, progressive motility and biokinetic characteristics such as average path velocity, curvilinear velocity and straight-line velocity were higher (p < 0.05) in the sperm aliquots cryopreserved with 100 g/ml NSO or 10 g/ml TQ than in the sperm aliquots cryopreserved without supplementation just after thawing and 2 hr of post-thaw incubation. Among the supplements, NSO (100 g/ml) showed higher values of the total motility, progressive motility, biokinetic characteristics specially, average path velocity, curvilinear velocity and straight-line velocity, acrosome integrity and DNA integrity compared with the spermatozoa frozen without supplementation. Therefore, the results suggest that NSO may be added to the cryomedium to improve the cryosurvival of ovine spermatozoa.
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Affiliation(s)
- Abdul G Miah
- Faculty of Veterinary and Animal Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
| | - Roslyn Bathgate
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Sydney, NSW, Australia
| | - Koh-Ichi Hamano
- Laboratory of Reproductive Functions in Mammals, Faculty of Agriculture, Shinshu University, Nagano, Japan
| | - Ummay Salma
- Faculty of Veterinary and Animal Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
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Allai L, Benmoula A, Marciane da Silva M, Nasser B, El Amiri B. Supplementation of ram semen extender to improve seminal quality and fertility rate. Anim Reprod Sci 2018; 192:6-17. [DOI: 10.1016/j.anireprosci.2018.03.019] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 03/02/2018] [Accepted: 03/18/2018] [Indexed: 01/15/2023]
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30
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Arruda L, Silva RA, Monteiro M, Silva R, Oliveira A, Mergulhão F, Monteiro Jr P, Batista A, Guerra M. Avaliação in vitro do sêmen congelado de carneiros com diluidor suplementado com miricetina. ARQ BRAS MED VET ZOO 2018. [DOI: 10.1590/1678-4162-9671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
RESUMO O objetivo deste estudo foi avaliar o efeito da suplementação do diluidor de congelação de sêmen ovino com o flavonoide miricetina contra os danos ocasionados aos espermatozoides. Oito pools de sêmen, obtidos de quatro reprodutores ovinos, foram congelados com diferentes concentrações de miricetina (0, 1, 10, 100 e 1000nM). Após o descongelamento, o sêmen foi avaliado quanto à cinética espermática, à integridade das membranas plasmática e acrossomal, ao potencial de membrana mitocondrial, aos níveis de ROS intracelular, à peroxidação lipídica e à estabilidade de membrana. Amostras tratadas com miricetina 10nM apresentaram menor percentual de células rápidas (P≤0,05), quando comparadas ao grupo miricetina 1000nM. Amostras do grupo controle apresentaram maior (P≤0,05) VAP que o grupo 10nM de miricetina, enquanto amostras criopreservadas com miricetina (10, 100 e 1000nM) evidenciaram maior (P<0,05) BCF, quando comparadas ao grupo controle. O grupo tratado com miricetina 1000nM apresentou maior percentual (P<0,05) de células com peroxidação lipídica, quando comparado ao grupo controle. Em conclusão, a suplementação do diluidor de criopreservação de sêmen ovino com 10 e 100nM de miricetina afeta a cinética espermática sem provocar alterações na estrutura geral do gameta, enquanto 1000nM de miricetina provoca mudanças na cinética associadas à danos peroxidativos.
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Affiliation(s)
| | | | | | | | | | | | | | - A.M. Batista
- Universidade Federal Rural de Pernambuco, Brazil
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Qin Y, Yang S, Xu J, Xia C, Li X, An L, Tian J. Deep insemination with sex-sorted Cashmere goat sperm processed in the presence of antioxidants. Reprod Domest Anim 2017; 53:11-19. [PMID: 29205543 DOI: 10.1111/rda.13045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 07/05/2017] [Indexed: 11/28/2022]
Abstract
Flow cytometrically sex-sorted sperm have been widely used for improving reproductive management in the dairy industry. However, the industrial application of this technology in other domestic species is largely limited by the lower fertility after insemination. The aim of this study was to investigate effects of antioxidant supplementation during the sex-sorting and freezing process on the quality and functions of sorted sperm from Liaoning Cashmere goats. We tested the effects of antioxidant supplementation during sex-sorting and freezing process, including ascorbic acid-2-glucoside AA-2G, glutathione, melatonin and vitamin C (VC), on the quality and functions of sex-sorted fresh and frozen-thawed sperm. Based on these experiments, we performed deep insemination with sex-sorted sperm using our improved strategy, in comparison to unsorted sperm. In Experiment 1, compared with control group and other antioxidants, AA-2G supplementation significantly alleviated the degradation of motility and viability of fresh sperm after sorting and showed the highest percentage of sperm with normal morphology. In addition, AA-2G supplementation showed an evident protection against the sorting process-induced membrane and acrosome damage. In Experiment 2, AA-2G supplementation was most effective in protecting motility, while melatonin supplementation appears to facilitate the degradation of quality of frozen-thawed sex-sorted sperm. In Experiment 3, we performed deep insemination with sperm that were sorted and frozen in the presence of AA-2G and obtained a satisfying pregnancy rate comparable to that from unsorted sperm. The results showed that AA-2G supplementation efficiently protects quality and function of both fresh and frozen-thawed sex-sorted sperm of Cashmere goats, thus obtaining a satisfying pregnancy outcome.
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Affiliation(s)
- Y Qin
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - S Yang
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China
| | - J Xu
- College of Animal Science and Technology, China Agricultural University, Beijing, China.,College of Animal Science and Technology, Hebei Agricultural University, Baoding, China
| | - C Xia
- College of Animal Science and Technology, China Agricultural University, Beijing, China.,College of Life Science, Jilin Agricultural University, Changchun, China
| | - X Li
- Research Center for Animal Genetic Resources of Mongolia Plateau, College of Life Science, Inner Mongolia University, Hohhot, China
| | - L An
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - J Tian
- College of Animal Science and Technology, China Agricultural University, Beijing, China
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Paul RK, Kumar D, Naqvi S. Antioxidants protect proteins' anchorage to the bilayer by improving plasma membrane integrity of ram spermatozoa during liquid preservation in a soya lecithin-based diluent. Reprod Domest Anim 2017; 52:1052-1060. [PMID: 28741693 DOI: 10.1111/rda.13023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 06/06/2017] [Indexed: 11/26/2022]
Abstract
Antioxidants are known to prevent the reactive oxygen species (ROS)-mediated peroxidative damage to the membrane lipids during hypothermic storage of mammalian spermatozoa. We hypothesized here that ROS also affect the lipid-protein interactions, thereby diminishing the membrane's integrity and proteins' anchorage to the bilayer. Antioxidants prevent these damages by scavenging the ROS. Ejaculates from Patanwadi rams were pooled after subjective evaluation and centrifuged using Percoll® . Sperm pellet was resuspended in soya lecithin-Tris-fructose diluent (400 × 106 cells/ml) containing either antioxidants (100 IU/ml catalase + 10 mM reduced glutathione) or no antioxidant. Aliquots were chilled to 5°C in a cabinet and stored in a refrigerator at 3-5°C for 72 hr. Sperm motility, viability, lipid peroxidation (LPO) and hypo-osmotic swelling test (HOST) were performed at 0, 24, 48 and 72 hr. Sperm proteins extracted with 0.5% Triton X-100 were resolved by SDS-PAGE and quantified using Quantity One software (Bio-Rad, USA). The rapid motility, linearity and straight-line velocity (VSL) were found significantly (p < .05) higher in the antioxidant-treated group compared to the control at 48 hr of storage. Sperm viability was found comparable between the groups. Higher HOST response and lower LPO were found in the antioxidant-treated sample compared to the control both at 48 and at 72 hr. Overall, the proteins P1 (106.09 kDa), P2 (87.00 kDa) and P4 (51.14 kDa) were lower (p < .05) in the sperm extract of antioxidant-treated group compared to the control. The content of P4 (51.14 kDa) in sperm extract was found to increase (p < .05) earlier (48 vs. 72 hr) in the control group compared to the antioxidant-treated group. Altogether, the results suggested that antioxidants reduced LPO in spermatozoa, resulting in higher sperm motility, plasma membrane integrity and protection of proteins' anchorage to the plasma membrane at 48 and 72 hr of storage.
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Affiliation(s)
- R K Paul
- ICAR-Central Sheep and Wool Research Institute, Rajasthan, India
| | - D Kumar
- ICAR-Central Sheep and Wool Research Institute, Rajasthan, India
| | - Smk Naqvi
- ICAR-Central Sheep and Wool Research Institute, Rajasthan, India
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33
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Use of antioxidants reduce lipid peroxidation and improve quality of crossbred ram sperm during its cryopreservation. Cryobiology 2017; 74:25-30. [DOI: 10.1016/j.cryobiol.2016.12.008] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 12/25/2016] [Accepted: 12/27/2016] [Indexed: 11/24/2022]
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Silva E, Arruda L, Silva S, Souza H, Guerra M. High resveratrol or quercetin concentrations reduce the oscillation index of frozen goat semen. ARQ BRAS MED VET ZOO 2016. [DOI: 10.1590/1678-4162-8670] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT The aim of this study was to evaluate the effect of different concentrations of trans-resveratrol or quercetin on the ability of goat sperm to withstand being frozen. Six pools of semen obtained from six male goats were processed with different concentrations of resveratrol or quercetin (Experiment 1: 0, 15, 25, 50, 75 or 100µM resveratrol; Experiment 2: 0, 15, 25, 50, 75 or 100µM quercetin) and frozen. After thawing, the semen was evaluated for sperm kinematics, plasma membrane and acrosome integrity, morphology and oxidative stress following 0 and 1h of incubation. Immediately after thawing (0h), wobble (oscillation index) in the groups treated with 100µM of quercetin or resveratrol was lower (P<0.05) than in those treated with 0 and 25µM resveratrol and 0µM quercetin, respectively. After 1h of incubation, the total motility in treatments with 15, 50 and 75µM quercetin, as well as the plasma membrane integrity in all quercetin concentrations were lower (P<0.05) than at 0h. In opposition, the linearity of semen samples treated with 100µM quercetin and the straightness of those treated with 75 and 100µM quercetin were lower (P<0.05) at 0h than at 1h after thawing. Thus, it can be concluded that resveratrol and quercetin at high concentrations (100µM) transiently reduce the wobble of goat sperm submitted to frozen storage, and that quercetin (75 and 100µM) increases the linearity and straightness over time, which can be favorable for fertility.
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Affiliation(s)
- E.C.B. Silva
- Universidade Federal Rural de Pernambuco, Brazil
| | | | | | - H.M. Souza
- Universidade Federal Rural de Pernambuco, Brazil
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Masoudi R, Sharafi M, Zareh Shahneh A, Towhidi A, Kohram H, Esmaeili V, Shahverdi A, Davachi ND. Fertility and flow cytometry study of frozen-thawed sperm in cryopreservation medium supplemented with soybean lecithin. Cryobiology 2016; 73:69-72. [PMID: 27256664 DOI: 10.1016/j.cryobiol.2016.05.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 05/26/2016] [Accepted: 05/26/2016] [Indexed: 11/15/2022]
Abstract
Semen cryopreservation can provide genetic resources for a large number of females from a small number of superior males. Optimization of cryopreservation media to achieve the highest quality of post-thaw semen is crucial. Soybean lecithin has evaluated as a plant-based cryoprotectant for substitution of egg yolk in ram semen extender. Flow cytometric and fertility assessments were applied following cryopreservation procedure in two experimental groups (SL group: extender containing 1% w/v soybean lecithin and EY group: extender containing 20% v/v egg yolk). The higher percentage of live sperm and the lower percentage of dead sperm were obtained in SL (47.66 ± 1.38, 52.33 ± 1.69, respectively) extender compared to EY (41.16 ± 1.38, 58.83 ± 1.69). For motion characteristics, plasma membrane integrity, acrosome integrity and mitochondria activity, no significant difference was observed between SL and EY extenders. In artificial insemination experiment, there was no significant difference in pregnancy rate, lambing rate and twining rate between SL and EY extenders. It can be concluded that SL extender can be an efficient alternative extender to preserve ram sperm during cryopreservation procedure without adverse effects.
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Affiliation(s)
- R Masoudi
- Department of Animal Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
| | - M Sharafi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
| | - A Zareh Shahneh
- Department of Animal Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - A Towhidi
- Department of Animal Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - H Kohram
- Department of Animal Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - V Esmaeili
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - A Shahverdi
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - N Dadashpour Davachi
- Department of Research, Breeding and Production of Laboratory Animals, Rzai Vaccine and Serum Research Institute, Karaj, Iran
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36
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Amidi F, Pazhohan A, Shabani Nashtaei M, Khodarahmian M, Nekoonam S. The role of antioxidants in sperm freezing: a review. Cell Tissue Bank 2016; 17:745-756. [DOI: 10.1007/s10561-016-9566-5] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 06/17/2016] [Indexed: 12/13/2022]
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37
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Almeida FC, Silva SV, Souza HM, Gomes WA, Lima Filho JAC, Wicke AA, Batista AM, Guerra MMP. Effects of glycerol, equilibration time and antioxidants on post-thaw functional integrity of bovine spermatozoa directly obtained from epididymis. Andrologia 2016; 49. [DOI: 10.1111/and.12623] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2016] [Indexed: 11/29/2022] Open
Affiliation(s)
- F. C. Almeida
- Department of Veterinary Medicine; Andrology Laboratory; Federal Rural University of Pernambuco; Recife Brazil
| | - S. V. Silva
- Biotechnology Laboratory in Animal Reproduction; Biotechnology Center; Federal University of Paraíba; João Pessoa Brazil
| | - H. M. Souza
- Department of Veterinary Medicine; Andrology Laboratory; Federal Rural University of Pernambuco; Recife Brazil
| | - W. A. Gomes
- Department of Veterinary Medicine; Andrology Laboratory; Federal Rural University of Pernambuco; Recife Brazil
| | - J. A. C. Lima Filho
- Department of Veterinary Medicine; Andrology Laboratory; Federal Rural University of Pernambuco; Recife Brazil
| | - A. A. Wicke
- Ciclo Veterinária; CENATTE Embriões; São Gonçalo dos Campos Brazil
| | - A. M. Batista
- Department of Veterinary Medicine; Andrology Laboratory; Federal Rural University of Pernambuco; Recife Brazil
| | - M. M. P. Guerra
- Department of Veterinary Medicine; Andrology Laboratory; Federal Rural University of Pernambuco; Recife Brazil
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38
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Anel-López L, Garcia-Alvarez O, Maroto-Morales A, Iniesta-Cuerda M, Ramón M, Soler AJ, Fernández-Santos MR, Garde JJ. Reduced glutathione addition improves both the kinematics and physiological quality of post-thawed red deer sperm. Anim Reprod Sci 2015; 162:73-9. [PMID: 26474690 DOI: 10.1016/j.anireprosci.2015.09.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 09/22/2015] [Accepted: 09/25/2015] [Indexed: 10/23/2022]
Abstract
The potential protective effect of reduced glutathione (GSH) and trolox (TRX), an analogue of vitamin E, supplementation during in vitro culture (2h, 39°C) of electroejaculated frozen/thawed red deer sperm was investigated. Cryopreserved sperm were thawed and incubated with no additive (Control) and 1mM or 5mM of each antioxidant to find out whether these supplementations can maintain the sperm quality, considering the use of thawed samples for in vitro techniques such as in vitro fertilisation (IVF), sperm sex sorting or refreezing. The effect of GSH on sperm motility was positive compared to TRX which was negative (P<0.001). After 2h of incubation at 39°C, use of GSH improved motility while TRX supplementation reduced sperm motility compared with Control samples without antioxidant. Use of TRX at both concentrations (1 and 5mM; TRX1 and TRX5) resulted in lesser percentages of apoptotic sperm (12.4±1.1% and 11.7±0.9%) than GSH1, GSH5 (15.2±1% and 14.6±1.1%) and Control samples (16.9±1.2%) (P<0.001). Use of GSH at both concentrations (1 and 5mM) resulted in greater mitochondrial activity as compared with findings for the Control, TRX1 and TRX5 groups. Results of this study indicate that GSH is a suitable supplement for electroejaculated red deer sperm. It would be necessary to conduct fertility trials (in vivo and in vitro), to assess whether GSH supplementation of thawed red deer sperm could improve fertility rates.
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Affiliation(s)
- L Anel-López
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s.n., 02071 Albacete, Spain
| | - O Garcia-Alvarez
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s.n., 02071 Albacete, Spain
| | - A Maroto-Morales
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s.n., 02071 Albacete, Spain
| | - M Iniesta-Cuerda
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s.n., 02071 Albacete, Spain
| | | | - A J Soler
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s.n., 02071 Albacete, Spain
| | | | - J J Garde
- SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s.n., 02071 Albacete, Spain.
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Nascimento PS, Chaves MS, Santos Filho ASD, Guido SI, Guerra MMP, Bartolomeu CC. PRODUÇÃO IN VITRO DE EMBRIÕES UTILIZANDO-SE SÊMEN SEXADO DE TOUROS 5/8 GIROLANDO. CIÊNCIA ANIMAL BRASILEIRA 2015. [DOI: 10.1590/1089-6891v16i332156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
<title>Resumo</title><p>Avaliou-se a taxa de produção de blastocisto <italic>"in vitro"</italic>utilizando-se o sêmen bovino sexado. Foram utilizados três reprodutores para verificar a variação individual do sêmen, taxas de clivagem e produção embrionária. O trabalho utilizou-se de biotécnicas reprodutivas, análise computadorizada do sêmen pós-descongelação e sondas fluorescentes para análises de integridade da célula espermática (membrana plasmática, membrana acrossomal e potencial mitocondrial). Um total de 959 oócitos passou por etapas de maturação <italic>in vitro,</italic> fertilização <italic>in vitro</italic> (sexado, n= 473; convencional, n = 486) e cultivo <italic>in vitro</italic>. A taxa de clivagem foi observada no D2 e a de blastocistos no D7. Os dados foram analisados pelo programa SPSS 16.0 empregando-se a análise de variância (ANOVA), sendo o teste t-Student usado para detectar diferenças entre os grupos e o Qui-quadrado para análise dos resultados da produção <italic>in vitro</italic>(P< 0,05). Os resultados diferiram entre o sêmen convencional (31,06%) e sexado (21,10%) para produção de blastocisto. Quando comparada a produção de blastocisto individualmente nas amostras de sêmen sexado (27,69%; 17,93% e 25,56%, touros 1, 2 e 3, respectivamente), percebeu-se que T2 < T1 e T1=T3 e T2=T3. Quanto às análises de cinética espermática, as amostras de sêmen sexado mostraram diferenças entre os touros nas variáveis velocidade curvilínea, velocidade linear e velocidade do trajeto em que o T1(117,7±1,6 µm/s; 60,0±0,3 µm/s; 73,6±0,4 µm/s, respectivamente) quando comparado aos touros T2 (80,2±2,3 µm/s; 47,0±2,0 µm/s; 57,7±0,9 µm/s, respectivamente) e T3 (86,4±5,7 µm/s; 46,2±2,7 µm/s; 53,8±2,8 µm/s, respectivamente) obteve valores mais elevados. As análises da integridade da célula espermática não diferiram entre as amostras de sêmen convencional, já no sêmen sexado a integridade de membrana foi a variável que diferiu estatisticamente entre os touros, em que o T1 (38 ±2,7) diferiu do T3(53,8± 1,8) (P=0,009), mas não divergiu do T2 (44,1±4,4). É possível concluir que o sêmen sexado foi menos eficiente na produção de blastocisto quando comparado ao sêmen convencional. As análises de cinética e de integridade foram compatíveis com o potencial fertilizante das amostras de sêmen em touros da raça 5/8 Girolando.</p>
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Protective effect of cholesterol-loaded cyclodextrin pretreatment against hydrogen peroxide induced oxidative damage in ram sperm. Cryobiology 2015; 71:18-23. [DOI: 10.1016/j.cryobiol.2015.06.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 05/28/2015] [Accepted: 06/18/2015] [Indexed: 11/20/2022]
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Mata-Campuzano M, Álvarez-Rodríguez M, Álvarez M, Tamayo-Canul J, Anel L, de Paz P, Martínez-Pastor F. Post-thawing quality and incubation resilience of cryopreserved ram spermatozoa are affected by antioxidant supplementation and choice of extender. Theriogenology 2015; 83:520-8. [DOI: 10.1016/j.theriogenology.2014.10.018] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 10/09/2014] [Accepted: 10/11/2014] [Indexed: 10/24/2022]
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Ogata K, Sasaki A, Kato Y, Takeda A, Wakabayashi M, Sarentonglaga B, Yamaguchi M, Hara A, Fukumori R, Nagao Y. Glutathione supplementation to semen extender improves the quality of frozen-thawed canine spermatozoa for transcervical insemination. J Reprod Dev 2015; 61:116-22. [PMID: 25736550 PMCID: PMC4410309 DOI: 10.1262/jrd.2014-130] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The present study was conducted to evaluate whether supplementation of semen extender with glutathione (GSH) can maintain the quality of frozen-thawed canine spermatozoa. Eighteen ejaculates were obtained from 5 dogs and placed in extender (20% egg yolk, Tris, citric acid, lactose, raffinose, antibiotics and 6.5% glycerol) containing 0 (control), 2.5, 5, 7.5 or 10 mM GSH. The samples were cooled to 4 C and then frozen in liquid nitrogen vapor. Motility parameters of the sperm were evaluated at 0, 1, 2, 3, 4, 12 and 24 h after thawing. Sperm motility was higher in the 5 mM GSH group than in the control or 2.5 and 10 mM GSH groups; this effect was observed at 1 to 24 h after thawing (P < 0.05). The 5 mM GSH group had a higher sperm viability index at 12 and 24 h after thawing compared with the other groups (P < 0.05). Acrosome integrity, evaluated at 4 h after thawing, was greater in two of the GSH-treated groups (5 and 10 mM) compared with the control. Lipid peroxidation (LP) levels immediately after thawing were lower in the 5 and 10 mM GSH groups compared with the control, while those at 12 h after thawing did not differ significantly. Frozen-thawed semen in the 5 mM GSH group was used for transcervical insemination of 4 bitches, resulting in delivery of 5 puppies from 2 bitches. These results indicate that supplementation of semen extender with 5 mM GSH was effective in improving motility, longevity and acrosomal integrity and inhibiting LP levels in post-thaw canine spermatozoa, without any adverse impacts on full-term development after transcervical insemination.
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Affiliation(s)
- Kazuko Ogata
- Department of Animal Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology; University Farm, Faculty of Agriculture, Utsunomiya University, Tochigi 321-4415, Japan
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Matini Behzad A, Ebrahimi B, Alizadeh AR, Esmaeili V, Dalman A, Rashki L, Shahverdi AH. Improvement in In Vitro
Fertilization Rate, Decrease in Reactive Oxygen Species and Spermatozoa Death Incidence in Rams by Dietary Fish Oil. Reprod Domest Anim 2014; 49:599-605. [DOI: 10.1111/rda.12328] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Accepted: 04/08/2014] [Indexed: 11/27/2022]
Affiliation(s)
- A Matini Behzad
- Department of Animal Science; Saveh Branch; Islamic Azad University; Saveh Iran
| | - B Ebrahimi
- Department of Embryology at Reproductive Biomedicine Research Center; Royan Institute for Reproductive Biomedicine; ACECR; Tehran Iran
| | - AR Alizadeh
- Department of Animal Science; Saveh Branch; Islamic Azad University; Saveh Iran
| | - V Esmaeili
- Department of Embryology at Reproductive Biomedicine Research Center; Royan Institute for Reproductive Biomedicine; ACECR; Tehran Iran
| | - A Dalman
- Department of Embryology at Reproductive Biomedicine Research Center; Royan Institute for Reproductive Biomedicine; ACECR; Tehran Iran
| | - L Rashki
- Department of Embryology at Reproductive Biomedicine Research Center; Royan Institute for Reproductive Biomedicine; ACECR; Tehran Iran
| | - AH Shahverdi
- Department of Embryology at Reproductive Biomedicine Research Center; Royan Institute for Reproductive Biomedicine; ACECR; Tehran Iran
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Soares AT, Silva SV, Batista AM, Almeida FC, Nunes JF, Peixoto CA, Guerra MMP. Ultrastructure evaluation of goat spermatozoa after freezing in a skim milk-based extender with Trolox supplementation. Andrologia 2014; 47:470-6. [DOI: 10.1111/and.12279] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2014] [Indexed: 11/30/2022] Open
Affiliation(s)
- A. T. Soares
- Andrology Laboratory (ANDROLAB); Veterinary Medicine Department; UFRPE; Recife PE Brazil
- State Company for Agricultural Research of Paraiba; EMEPA; João Pessoa PB Brazil
| | - S. V. Silva
- Andrology Laboratory (ANDROLAB); Veterinary Medicine Department; UFRPE; Recife PE Brazil
- Biotechnology Center; Federal University of Paraiba; João Pessoa PB Brazil
| | - A. M. Batista
- Andrology Laboratory (ANDROLAB); Veterinary Medicine Department; UFRPE; Recife PE Brazil
| | - F. C. Almeida
- Andrology Laboratory (ANDROLAB); Veterinary Medicine Department; UFRPE; Recife PE Brazil
| | - J. F. Nunes
- Semen Technology Laboratory; UECE; Fortaleza CE Brazil
| | - C. A. Peixoto
- Strategic Technologies Center of Northeast (CETENE); Recife PE Brazil
- Oswaldo Cruz Foundation - Aggeu Magalhães Research Center (CPqAM); Recife PE Brazil
| | - M. M. P. Guerra
- Andrology Laboratory (ANDROLAB); Veterinary Medicine Department; UFRPE; Recife PE Brazil
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Partyka A, Niżański W, Bajzert J, Łukaszewicz E, Ochota M. The effect of cysteine and superoxide dismutase on the quality of post-thawed chicken sperm. Cryobiology 2013; 67:132-6. [DOI: 10.1016/j.cryobiol.2013.06.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 05/02/2013] [Accepted: 06/04/2013] [Indexed: 11/29/2022]
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Silva SV, Soares AT, Batista AM, Almeida FC, Nunes JF, Peixoto CA, Guerra MMP. Vitamin E (Trolox) addition to Tris-egg yolk extender preserves ram spermatozoon structure and kinematics after cryopreservation. Anim Reprod Sci 2013; 137:37-44. [DOI: 10.1016/j.anireprosci.2012.12.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Revised: 12/07/2012] [Accepted: 12/09/2012] [Indexed: 10/27/2022]
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Vidal AH, Batista AM, da Silva ECB, Gomes WA, Pelinca MA, Silva SV, Guerra MMP. Soybean lecithin-based extender as an alternative for goat sperm cryopreservation. Small Rumin Res 2013. [DOI: 10.1016/j.smallrumres.2012.07.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Anel-López L, Álvarez-Rodríguez M, García-Álvarez O, Álvarez M, Maroto-Morales A, Anel L, de Paz P, Garde JJ, Martínez-Pastor F. Reduced glutathione and Trolox (vitamin E) as extender supplements in cryopreservation of red deer epididymal spermatozoa. Anim Reprod Sci 2012; 135:37-46. [DOI: 10.1016/j.anireprosci.2012.09.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2012] [Revised: 08/20/2012] [Accepted: 09/05/2012] [Indexed: 11/29/2022]
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Effect of insulin-like growth factor-I on some quality traits and fertility of cryopreserved ovine semen. Theriogenology 2012; 78:907-13. [DOI: 10.1016/j.theriogenology.2012.04.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 04/02/2012] [Accepted: 04/02/2012] [Indexed: 11/19/2022]
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Silva E, Cajueiro J, Silva S, Vidal A, Soares P, Guerra M. In vitro evaluation of ram sperm frozen with glycerol, ethylene glycol or acetamide. Anim Reprod Sci 2012; 132:155-8. [DOI: 10.1016/j.anireprosci.2012.05.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Revised: 05/16/2012] [Accepted: 05/21/2012] [Indexed: 11/25/2022]
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