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Li C, Allai L, Liang J, Lv C, Zhao X, Ni X, Wu G, Deng W, Badaoui B, Quan G. The antioxidant effects of butylated hydroxytoluene on cryopreserved goat sperm from a proteomic perspective. PeerJ 2024; 12:e17580. [PMID: 38978759 PMCID: PMC11229688 DOI: 10.7717/peerj.17580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 05/25/2024] [Indexed: 07/10/2024] Open
Abstract
At present, there are few reports about the proteomics changes provoked by butylated hydroxytoluene (BHT) supplementation on cryopreserved semen in mammals. Thus, we aimed to evaluate the effects of different concentrations of BHT on goat sperm and to investigate the proteomics changes of adding BHT to cryopreserved goat (Capra hircus) sperm. Firstly, semen samples were collected from four goats, and frozen in the basic extenders containing different concentrations of BHT (0.5 mM, 1.0 mM, 2.0 mM) and a control without BHT, respectively. After thawing, the protective effects of dose-dependent replenished BHT to the freezing medium on post-thaw sperm motility, integrities of plasma membrane and acrosome, reactive oxygen species levels were confirmed, with 0.5 mM BHT being the best (B group) as compared to the control (without BHT, C group). Afterwards, TMT-based quantitative proteomic technique was performed to profile proteome of the goat sperm between C group and B group. Parallel reaction monitoring was used to confirm reliability of the data. Overall, 2,476 proteins were identified and quantified via this approach. Comparing the C and B groups directly (C vs. B), there were 17 differentially abundant proteins (DAPs) po-tentially associated with sperm characteristics and functions were identified, wherein three were upregulated and 14 were downregulated, respectively. GO annotation analysis demonstrated the potential involvement of the identified DAPs in metabolic process, multi-organism process, reproduction, reproductive process, and cellular process. KEGG enrichment analysis further indicated their potential roles in renin-angiotensin system and glutathione metabolism pathways. Together, this novel study clearly shows that BHT can effectively improve quality parameters and fertility potential of post-thawed goat sperm at the optimal concentration, and its cryoprotection may be realized through regulation of sperm metabolism and antioxidative capability from the perspective of sperm proteomic modification.
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Affiliation(s)
- Chunyan Li
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
| | - Larbi Allai
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Higher School of Technology Sidi Bennour, Chouaib Doukkali University, El Jadida, Morocco
| | - Jiachong Liang
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
| | - Chunrong Lv
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
| | - Xiaoqi Zhao
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
| | - Xiaojun Ni
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
| | - Guoquan Wu
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
| | - Weidong Deng
- School of Animal Science and Technology, Yunnan Agricultural University, Kunming, China
| | | | - Guobo Quan
- Yunnan Animal Science and Veterinary Institute, Kunming, China
- Yunnan Provincial Genebank of Livestock and Poultry Genetic Resources, Kunming, China
- Yunnan Provincial Engineering Research Center of Animal Genetic Resource Conservation and Germplasm Enhancement, Kunming, China
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Calabrese EJ, Hayes AW, Pressman P, Dhawan G, Kapoor R, Agathokleous E, Calabrese V. Quercetin induces its chemoprotective effects via hormesis. Food Chem Toxicol 2024; 184:114419. [PMID: 38142767 DOI: 10.1016/j.fct.2023.114419] [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: 11/21/2023] [Revised: 12/20/2023] [Accepted: 12/20/2023] [Indexed: 12/26/2023]
Abstract
Quercetin is a polyphenol present in numerous fruits and vegetables and therefore widely consumed by humans with average daily dietary intakes of 10-20 mg/day. It is also a popular dietary supplement of 250-1000 mg/day. However, despite the widespread consumer interest in quercetin, due to its possible chemopreventive properties, the extensively studied quercetin presents a highly diverse and complex array of biological effects. Consequently, the present paper provides the first assessment of quercetin-induced hormetic concentration/dose responses, their quantitative features and mechanistic foundations, and their biological, biomedical, clinical, and public health implications. The findings indicate that quercetin-induced hormetic dose responses are widespread, being independent of biological model, cell type, and endpoint. These findings have the potential to enlighten future experimental studies with quercetin especially with respect to study design parameters and may also affect the appraisal of possible public health benefits and risks associated with highly diverse consumer consumption practices.
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Affiliation(s)
- Edward J Calabrese
- School of Public Health and Health Sciences, Department of Environmental Health, Morrill I-N344, University of Massachusetts, Amherst, MA, 01003, USA.
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL, USA.
| | - Peter Pressman
- University of Maine, 5728 Fernald Hall, Room 201, Orono, ME, 04469, USA.
| | - Gaurav Dhawan
- Sri Guru Ram Das (SGRD), University of Health Sciences, Amritsar, India.
| | - Rachna Kapoor
- Saint Francis Hospital and Medical Center, Hartford, CT, USA.
| | - Evgenios Agathokleous
- School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 97, Catania, 95123, Italy.
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Calabrese EJ, Agathokleous E, Dhawan G, Kapoor R, Calabrese V. Protective effects of alpha lipoic acid (ALA) are mediated by hormetic mechanisms. Food Chem Toxicol 2023; 177:113805. [PMID: 37169059 DOI: 10.1016/j.fct.2023.113805] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/13/2023]
Abstract
The endogenous and dietary agent, alpha lipoic acid (ALA) is evaluated for its capacity to induce a broad spectrum of adaptive responses via hormetic dose responses and their underlying mechanisms. ALA was shown to induce hormetic effects in a wide range of experimental models within in vitro and in vivo experimental settings which included direct exposure and pre- and post-conditioning experimental protocols. The hormetic effects occur in a broad range of organ systems, including the brain, heart, kidney and other tissues, with possible public health and clinical/therapeutic applications linked to reducing the onset and progression of neurogenerative diseases and also in the preservation of sperm health and functionality during cryopreservation. This paper provides the first integrated assessment of ALA-induced hormetic dose responses. Underlying mechanisms that mediated the occurrence of ALA-induced hormetic effects involved the induction of low levels of ROS that activate key cell signaling antioxidant (e.g. Nrf2) pathways.
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Affiliation(s)
- Edward J Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA, 01003, USA.
| | - Evgenios Agathokleous
- Department of Ecology, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
| | | | - Rachna Kapoor
- Saint Francis Hospital and Medical Center, Hartford, CT, USA.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 97, Catania, 95123, Italy.
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Abdelnour SA, Sindi RA, Abd El-Hack ME, Khalifa NE, Khafaga AF, Noreldin AE, Samir H, Tufarelli V, Losacco C, Gamal M, Imam MS, Swelum AA. Quercetin: Putative effects on the function of cryopreserved sperms in domestic animals. Reprod Domest Anim 2023; 58:191-206. [PMID: 36337040 DOI: 10.1111/rda.14291] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/24/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022]
Abstract
Quercetin is one of the most used antioxidant flavonoids and largely exists in many fruits and vegetables because of its capability to scavenge the free reactive oxygen species (ROSs) by repressing lipid peroxy radical fusion, metal ion chelating through enzyme inhibition, and adopting the repair mechanisms. It also exhibits various biological actions, including antioxidative, anti-inflammatory and antimicrobial activities. Furthermore, it contributes well to sustaining the endogenous cellular antioxidant defence system. The process of cryopreservation is associated with increased oxidative stress, and some steps are potential sources of ROSs, including the method of semen collection, handling, cryopreservation culture media, and thawing, which result in impaired sperm function. Several antioxidants have been proposed to counteract the harmful impact of ROS during semen cryopreservation. The antioxidant capability of quercetin has been verified in different animal species for providing valuable defence to sperm during the cryopreservation process. The beneficial properties of quercetin on various parameters of fresh and post-thaw sperm in different species are clarified in this review. More in-depth investigations are required to clarify quercetin's mechanism of action in different animal species.
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Affiliation(s)
- Sameh A Abdelnour
- Department of Animal Production, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Ramya A Sindi
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al-Qura University, Mecca, Saudi Arabia
| | | | - Norhan E Khalifa
- Department of Physiology, Faculty of Veterinary Medicine, Fuka, Matrouh University, Matrouh, Egypt
| | - Asmaa F Khafaga
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Edfina, Egypt
| | - Ahmed E Noreldin
- Histology and Cytology Department, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Haney Samir
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Vincenzo Tufarelli
- Department of DETO, Section of Veterinary Science and Animal Production, University of Bari Aldo Moro, Bari, Italy
| | - Caterina Losacco
- Department of DETO, Section of Veterinary Science and Animal Production, University of Bari Aldo Moro, Bari, Italy
| | - Mohammed Gamal
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Mohamed S Imam
- Pharmacy Practice Department, College of Pharmacy, Shaqra University, Shaqra, Saudi Arabia.,Clinical Pharmacy Department, National Cancer Institute, Cairo University, Cairo, 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
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Oxidative and nitrosative stress in frozen-thawed pig spermatozoa. I: Protective effect of melatonin and butylhydroxytoluene on sperm function. Res Vet Sci 2021; 136:143-150. [PMID: 33626440 DOI: 10.1016/j.rvsc.2021.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 01/18/2021] [Accepted: 02/04/2021] [Indexed: 02/06/2023]
Abstract
The addition of antioxidants to the cryopreservation medium has been shown to exert a positive effect on the quality of frozen-thawed sperm in different species. The objective of the present study was to evaluate the effects of supplementing the freezing medium with butylhydroxytoluene (BHT) and melatonin (MEL) in frozen-thawed pig spermatozoa. With this purpose, six ejaculates coming from six separate boars were cryopreserved in traditional freezing medium (i.e. lactose/egg-yolk/glycerol; Control) supplemented with 1.0 mM BHT (BHT-1), 2.0 mM BHT (BHT-2), 0.01 μM MEL (MEL-1) and 1.0 μM MEL (MEL-2). We evaluated sperm viability, membrane lipid disorder, acrosome integrity, mitochondrial membrane potential, lipid peroxidation, oxidation of thiol groups, and levels of total reactive oxygen species (ROS), peroxynitrite and superoxide anion (·O2-). We also analysed total (TM) and progressive sperm motilities (PM), and kinetic parameters at post-thaw (T0, T30 and T60). The BHT-2 and MEL-2 groups presented higher viability and acrosome integrity, and lower levels of peroxynitrite, ·O2- and lipid peroxidation than the control (P < 0.05), whereas MEL-2 diminished the levels of total ROS (P < 0.05). TM and PM were not affected by the treatment, while, LIN and STR shows differences between experimental groups. In conclusion, the addition of BHT and MEL to cryopreservation medium diminishes oxidative and nitrosative stress markers, which has repercussions for the integrity of plasma and acrosomal membranes of frozen-thawed spermatozoa.
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Sun L, Wu C, Xu J, Zhang S, Dai J, Zhang D. Addition of butylated hydroxytoluene (BHT) in tris-based extender improves post-thaw quality and motion dynamics of dog spermatozoa. Cryobiology 2020; 97:71-75. [PMID: 33039371 DOI: 10.1016/j.cryobiol.2020.10.006] [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: 06/08/2020] [Revised: 10/06/2020] [Accepted: 10/06/2020] [Indexed: 10/23/2022]
Abstract
The aim of this study was to evaluate the interaction of different concentrations of butylated hydroxytoluene (BHT) in a tris-based extender on semen quality parameters in post-thawed dog semen. Twenty-four ejaculates were collected from eight male Beagle dogs using an artificial vagina. Pooled semen was diluted with a tris-based extender supplemented with 0 (control), 0.5, 1.0, 1.5, and 2.0 mM BHT, at a final concentration of 200 × 106 spermatozoa/mL. After thawing, sperm samples were assessed for motility parameters (CASA), membrane integrity (SYBR-14/PI), acrosome integrity (FITC-PNA), mitochondrial activity (JC-1/PI), malondialdehyde (MDA) concentration, and glutathione peroxidase (GPx) activity. The total motility, progressive motility, and average path velocity of the frozen-thawed sperm were significantly higher in the BHT1.5 group than in the control and the other sample groups (P < 0.05). Higher values of straight-line velocity, curvilinear velocity, amplitude of the lateral head displacement, and linearity were observed in the BHT1.0, BHT1.5, and BHT2.0 groups than in the control (P < 0.05). The BHT1.0 and BHT1.5 groups had higher percentages of straightness and acrosome integrity than the other groups (P < 0.05). Beat cross frequency, plasma membrane integrity, and GPx activity of the BHT1.5 and BHT2.0 groups were higher than those of the control (P < 0.05). A lower concentration of MDA was observed in the BHT1.0, BHT1.5, and BHT2.0 groups than in the control (BHT0) (P < 0.05). Our results indicate that 1.5 mM BHT is the optimal concentration for improving the post-thaw quality of canine spermatozoa.
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Affiliation(s)
- Lingwei Sun
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China; Division of Animal Genetic Engineering, Shanghai Municipal Key Laboratory of Agri-genetics and Breeding, Shanghai, 201106, China
| | - Caifeng Wu
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China; Division of Animal Genetic Engineering, Shanghai Municipal Key Laboratory of Agri-genetics and Breeding, Shanghai, 201106, China
| | - Jiehuan Xu
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China; Division of Animal Genetic Engineering, Shanghai Municipal Key Laboratory of Agri-genetics and Breeding, Shanghai, 201106, China
| | - Shushan Zhang
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China; Division of Animal Genetic Engineering, Shanghai Municipal Key Laboratory of Agri-genetics and Breeding, Shanghai, 201106, China
| | - Jianjun Dai
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China; Division of Animal Genetic Engineering, Shanghai Municipal Key Laboratory of Agri-genetics and Breeding, Shanghai, 201106, China.
| | - Defu Zhang
- Institute of Animal Science and Veterinary Medicine, Shanghai Academy of Agricultural Sciences, Shanghai, 201106, China; Division of Animal Genetic Engineering, Shanghai Municipal Key Laboratory of Agri-genetics and Breeding, Shanghai, 201106, China.
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Varela-Giraldo E, Úsuga-Suárez A, Duque-Cortés JE, Gómez-Oquendo J, Restrepo-Betancur G. Effect of low-density lipoproteins and trehalose on the quality of cryopreserved bovine semen. REV COLOMB CIENC PEC 2020. [DOI: 10.17533/udea.rccp.v34n3a03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background: In artificial insemination, chicken egg yolk is added to bovine semen to protect it during the cryopreservation process, although it contains substances that can affect the microbiological quality and metabolism of sperm. Objective: To evaluate post-thaw quality of bovine cryopreserved semen added with centrifuged and non-centrifuged egg yolk, low-density lipoproteins (LDL), and trehalose (T). Methods: Ten ejaculates from five bulls were cryopreserved under the treatments T1: pure egg yolk (PEY) at 20% v/v, T2: centrifuged egg yolk (CEY) at 20% v/v, T3: LDL at 8% v/v, T4: T at 100 mM, and T5: T at 100 mM plus LDL at 8% v/v (TLDL). Spermatic motility and kinetics, functional membrane integrity (FMI), structural membrane integrity (SMI), sperm vitality (SV) and abnormal morphology (AM) were assessed using the Sperm Class Analyzer (SCA®) system, hypoosmotic test (HOST), SYBR/PI probes, and eosin–nigrosin staining, respectively. A completely randomized design was used. Normal distribution of the variables was validated through the Kolmogórov– Smirnov test. A generalized linear model was used to determine sources of variation. Means were compared using the Tukey test. Results: Inclusion of CEY or LDL had a similar effect on sperm protection, and were superior for motility, kinetics and membrane integrity compared to the other treatments (p<0.05). CEY was superior for progressive motility (p<0.05). The cryoprotective action of LDL was similar to TLDL for motility and kinetics, SMI, SV, and AM (p<0.05). Inclusion of PEY and T resulted in the lowest semen quality (p<0.05). The use of T resulted in a reduction in FMI and SMI (p<0.05). No differences in AM between treatments were found (p>0.05). Conclusions: Egg yolk can be replaced by centrifuged egg yolk or low-density lipoproteins in the freezing extender used for bovine semen used in artificial insemination.
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Merino O, Dumorné K, Leidy SV, Figueroa E, Valdebenito I, Farías JG, Risopatrón J. Short-term storage sperm of coho salmon (Oncorhynchus kisutch) at 4 °C: Effect of sperm: Extender dilution ratios and antioxidant butyl-hydroxytoluene (BHT) on sperm function. Cryobiology 2020; 95:44-50. [PMID: 32554155 DOI: 10.1016/j.cryobiol.2020.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 12/17/2022]
Abstract
Short-term storage of semen is a necessary key procedure in fish; it allows maximizing the use of gametes. Nevertheless, sperm quality decreases during storage has been associated with oxidative stress damage due to an increase in reactive oxygen species (ROS) during storage. This study was designed to optimize a short-term storage protocol for Coho salmon (Oncorhynchus kisutch) spermatozoa, evaluating the effect of extender dilution and the addition of butyl-hydroxytoluene (BHT) antioxidant on sperm function parameters. In the first experiment, fresh semen was diluted in Storfish®: extender dilution (1:2 and 1:3) and a control sample undiluted and stored at 4 °C for 7-days. In both experiments motility (MO), viability and integrity of plasma membrane, mitochondrial membrane potential (MMP) and superoxide anion level (O2-) were evaluated at 0, 3 and 7 days. Result shows that, 1:3 dilution maintained a higher sperm function for a longer period time. In the second experiment, spermatozoa were suspended in Storfish® (1:3) supplemented with two different concentrations of BHT (1.0 mM and 2.0 mM) and a control sample without antioxidant and stored at 4 °C for 7 days. The results demonstrated that, antioxidant-supplemented samples greater MO than control samples (P < 0.05). The viability remained >75% during storage in all groups. MMP was higher in 2.0 mM BHT compared to 1.0 mM and control (P < 0.05), in addition, this concentration reduced O2- level (P < 0.05). In conclusion, sperm: extender dilution 1:3 and adding of 2.0 mM BHT in sperm storage extender may enhance protection sperm function in Oncorhynchus kisutch against effects harmful of the oxidative stress during the in vitro storage.
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Affiliation(s)
- Osvaldo Merino
- Department of Biological and Chemical Sciences, Faculty of Natural Resources, Catholic University of Temuco, Temuco, Chile; Center of Excellence of Biotechnology in Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile
| | - Kelly Dumorné
- Center of Excellence of Biotechnology in Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile; Vicerectory for Research and Postgraduate Studies, Graduate Academic Direction, University of La Frontera, Temuco, Chile
| | - Sandoval-Vargas Leidy
- Doctoral Program in Agricultural Sciences. Catholic University of Temuco, Temuco, Chile
| | - Elías Figueroa
- Nucleus of Research in Food Production, Department of Biological and Chemical Sciences, Faculty of Natural Resources, Catholic University of Temuco, Temuco, Chile
| | - Iván Valdebenito
- Department of Biological and Chemical Sciences, Faculty of Natural Resources, Catholic University of Temuco, Temuco, Chile; Nucleus of Research in Food Production, Department of Biological and Chemical Sciences, Faculty of Natural Resources, Catholic University of Temuco, Temuco, Chile
| | - Jorge G Farías
- Center of Excellence of Biotechnology in Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile; Chemical Engineering Department, Faculty of Engineering and Science, University of La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Center of Excellence of Biotechnology in Reproduction (BIOREN-CEBIOR), Faculty of Medicine, University of La Frontera, Temuco, Chile; Department of Basic Sciences, Faculty of Medicine, University of La Frontera, Temuco, Chile.
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Khumran AM, Yimer N, Rosnina Y, Wahid H, Ariff MO, Homayoun H, Asmatullah K, Bello TK. Butylated hydroxytoluene protects bull sperm surface protein-P25b in different extenders following cryopreservation. Vet World 2020; 13:649-654. [PMID: 32546907 PMCID: PMC7245718 DOI: 10.14202/vetworld.2020.649-654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 02/24/2020] [Indexed: 11/16/2022] Open
Abstract
Aim The aim of this study was to investigate the effects of different concentration of butylated hydroxytoluene (BHT) on sperm membrane surface protein "P25b" from cryopreserved bull semen in either lecithin based Bioxcell® (BX) or two egg-yolk based extenders, tris-egg yolk (TEY), and citrate-egg yolk (CEY). Materials and Methods Forty-five semen samples, 15 each were extended with either BX, TEY, or CEY extender which contained different concentrations (0.0 - control, 0.5, 1.0, 1.5, 2.0, and 3.0 mM/mL) of BHT. The extended semen samples were frozen at a concentration of 20×106/mL in 0.25 mL straws and stored in liquid nitrogen for 2weeks. The frozen samples were thereafter thawed, proteins extracted and analyzed for quantities of protein P25b through direct sodium dodecyl sulfate-polyacrylamide gel electrophoresis gel densitometry. Peptides were confirmed by Western blotting (WB). Results Results showed that supplementation of BHT improved (p<0.05) quantity of protein P25b at concentrations of 0.5mM/mL for BX and at 1.0 mM/mL for TEY and CE when compared with the controls and other treatments. Conclusion BHT supplementation at 0.5 in BX and 1.0 mM/mL in TEY and CEY has protected bull sperm fertility marker protein P25b in frozen-thawed bull sperm.
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Affiliation(s)
- A M Khumran
- Department of Theriogenology and Production, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
| | - N Yimer
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - Y Rosnina
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - H Wahid
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - M O Ariff
- Department of Veterinary Pre-clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - H Homayoun
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - K Asmatullah
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - T K Bello
- Biotechnology Research Programme, National Animal Production Research Institute, Zaria, Nigeria
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10
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Varela E, Rojas M, Restrepo G. Membrane stability and mitochondrial activity of bovine sperm frozen with low-density lipoproteins and trehalose. Reprod Domest Anim 2019; 55:146-153. [PMID: 31802545 DOI: 10.1111/rda.13599] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 12/02/2019] [Indexed: 01/27/2023]
Abstract
Cryopreservation results in the destabilization of the sperm plasma membrane, leading to negative side effects such as premature cryocapacitation, apoptosis and the low mitochondrial activity of bovine spermatozoa. Low-density lipoproteins (LDL) and trehalose have been used in seminal freezing to protect the integrity and stability of sperm membranes. Likewise, trehalose can increase the mitochondrial activity of sperm. The objective of this study was to evaluate the membrane stability and mitochondrial activity of bovine sperm after being frozen and treated with LDL sources and trehalose. Ten ejaculates from five bulls were cryopreserved under the treatments, CEY: chicken egg yolk (20% v/v); CCEY: centrifuged CEY (20% v/v); LDL: LDL (8% v/v); T: trehalose (100 mM); and TLDL: T (100 mM) plus LDL (8% v/v). After thawing, membrane stability and mitochondrial membrane potential (ΔΨM) were assessed by flow cytometry through the M-540/Yopro-1 and DiOC6/PI probes. The structural membrane integrity (SMI) was evaluated by fluorescence microscopy using SYBR14/PI dyes. A generalized linear model was adjusted, and the means were compared using the Tukey test. Centrifuged chicken egg yolk and LDL had a higher proportion of non-cryocapacitated non-apoptotic sperm (M-Y-), while CEY and T had the largest populations of cryocapacitated non-apoptotic sperm (M+Y-) and cryocapacitated apoptotic sperm (M+Y+). Centrifuged chicken egg yolk also showed a higher proportion of sperm with high-ΔΨM. Treatments that included egg yolk or purified LDL had a positive effect on SMI. Centrifuged chicken egg yolk has a superior cryoprotective effect on membrane stability and mitochondrial activity of bovine semen over the conventional use of CEY or the individual or simultaneous use of LDL and trehalose.
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Affiliation(s)
- Elizabeth Varela
- Faculty of Agricultural Sciences, Politécnico Colombiano Jaime Isaza Cadavid, Medellín, Colombia
| | - Mauricio Rojas
- Faculty of Medicine, Cell Immunology and Immunogenetics Group, Universidad de Antioquia, Medellín, Colombia.,Flow Cytometry Unit, University Research Headquarters, Universidad de Antioquia, Medellín, Colombia
| | - Giovanni Restrepo
- Department of Animal Science, Faculty of Agricultural Sciences, Universidad Nacional de Colombia, Medellín, Colombia
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11
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Jara B, Merino O, Sánchez R, Risopatrón J. Positive effect of butylated hydroxytoluene (BHT) on the quality of cryopreserved cat spermatozoa. Cryobiology 2019; 89:76-81. [PMID: 31071309 DOI: 10.1016/j.cryobiol.2019.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/22/2019] [Accepted: 05/03/2019] [Indexed: 11/16/2022]
Abstract
The semen cryopreservation processes are associated with state of oxidative stress induced by high levels of reactive oxygen species (ROS), causing damage to functional spermatozoa. Whereby, antioxidants have been utilized to scavenge or neutralize the elevated levels of ROS. The aim of at the present study was to evaluate the effect of adding BHT to the freezing extenders on post-thaw characteristics of domestic cat spermatozoa. Semen samples were frozen in Tris-fructose-citric acid-based extender, supplemented with different concentrations of BHT (0.5 mM, 1.0 mM and 2.0 mM) and a control sample without antioxidant. After thawing, sperm samples were assessed for motility by computer-assisted sperm analysis and viability, acrosome integrity, superoxide anion production and membrane lipid peroxidation status by flow cytometry. In the study, the parameters of sperm motility and acrosome integrity were significantly higher in 2.0 mM BHT compared to sperm frozen in the extender with other concentrations and control (P < 0.05), in addition, this concentration reduced significantly the superoxide anion production and lipid peroxidation of the sperm. The results demonstrated that the supplementation of BHT to the freezing extender could protect the function and cellular structure of domestic cat sperm from cryoinjuries.
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Affiliation(s)
- Belén Jara
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Osvaldo Merino
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Raúl Sánchez
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile; Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - Jennie Risopatrón
- Center of Biotechnology on Reproduction (BIOREN-CEBIOR), Faculty of Medicine, Universidad de La Frontera, Temuco, Chile; Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
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12
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Silva HVR, Nunes TGP, Mota Filho AC, Pinto JN, Silva AR, Silva LDMD. ADIÇÃO DE HIDROXITOLUENO BUTILADO (BHT) NO DILUIDOR ACP-106c PARA CONGELAÇÃO DE SÊMEN CANINO. CIÊNCIA ANIMAL BRASILEIRA 2018. [DOI: 10.1590/1809-6891v19e-45896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Resumo: Este estudo foi realizado para determinar o efeito de hidroxitolueno butilado (BHT) sobre a qualidade do sêmen canino congelado e descongelado, utilizando o diluidor à base de água de coco em pó (ACP-106c). Para tanto, foram realizadas quinze coletas de sêmen provenientes de cinco cães. O sêmen obtido foi diluído em ACP-106c acrescido de glicerol e gema de ovo. As amostras foram então transferidas para tubos contendo diferentes concentrações de BHT (0; 0,5; 1,0 e 2,0 mM). Em seguida, as amostras foram envasadas, congeladas e armazenadas em nitrogênio líquido. O sêmen coletado foi avaliado in natura quanto aos seguintes parâmetros: coloração, volume da fração espermática, motilidade total, vigor, concentração, morfologia e funcionalidade de membrana espermática. Após uma semana, as amostras foram descongeladas e avaliadas por meio de análise computadorizada, como também foram realizadas análises da funcionalidade de membrana e da morfologia espermática. A motilidade progressiva no grupo BHT 2,0 mM foi significativamente superior (P < 0,05) do que a do grupo BHT 0 mM (27,6 ± 11,7% vs. 19,0 ± 9,5%, respectivamente). Em todos os demais parâmetros avaliados, não houve diferença entre os grupos testados. Portanto, conclui-se que a adição do BHT ao diluidor ACP-106c não afetou a qualidade do sêmen canino pós-descongelação.
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13
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Fujii T, Hirayama H, Fukuda S, Kageyama S, Naito A, Yoshino H, Moriyasu S, Yamazaki T, Sakamoto K, Hayakawa H, Takahashi K, Takahashi Y, Sawai K. Expression and localization of aquaporins 3 and 7 in bull spermatozoa and their relevance to sperm motility after cryopreservation. J Reprod Dev 2018; 64:327-335. [PMID: 29798965 PMCID: PMC6105742 DOI: 10.1262/jrd.2017-166] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Artificial insemination with cryopreserved semen is a well-developed technique commonly used for controlled reproduction in cattle. However, despite current technical advances,
cryopreservation continues to damage bull spermatozoa, resulting in a loss of approximately 30 to 50% of viable spermatozoa post thawing. To further improve the efficiency of
cryopreservation of bull spermatozoa, understanding the molecular mechanisms underlying the cryobiological properties that affect cryoinjuries during cryopreservation process of bull
spermatozoa is required. In this study, we examined the expression and localization of aquaporin (AQP) 3 and AQP7 in fresh, cooled, and frozen-thawed bull spermatozoa. Furthermore, we
investigated the relevance of AQP3 and AQP7 to motility and to membrane integrity in frozen-thawed bull spermatozoa. Western blotting against AQP3 and AQP7 in bull spermatozoa revealed bands
with molecular weights of approximately 42 kDa and 53 kDa, respectively. In immunocytochemistry analyses, immunostaining of AQP3 was clearly observed in the principal piece of the sperm
tail. Two immunostaining patterns were observed for AQP7 ―pattern 1: diffuse staining in head and entire tail, and pattern 2: diffuse staining in head and clear staining in mid-piece.
Cooling and freeze-thawing did not affect the localization pattern of AQP7 and the relative abundances of AQP3 and AQP7 evaluated by Western blotting. Furthermore, we demonstrated that the
relative abundances of AQP3 and AQP7 varied among ejaculates, and they were positively related to sperm motility, particularly sperm velocity, post freeze-thawing. Our findings suggest that
AQP3 and AQP7 are possibly involved in the tolerance to freeze-thawing in bull spermatozoa, particularly in the sperm’s tail.
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Affiliation(s)
- Takashi Fujii
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan.,United Graduate School of Agricultural Science, Iwate University, Iwate 020-8550, Japan
| | - Hiroki Hirayama
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan.,Department of Bioproduction, Faculty of Bioindustry, Tokyo University of Agriculture, Hokkaido 099-2493, Japan
| | - Shigeo Fukuda
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan
| | - Soichi Kageyama
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan
| | - Akira Naito
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan
| | - Hitomi Yoshino
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan
| | - Satoru Moriyasu
- Animal Biotechnology Group, Animal Research Center, Hokkaido Research Organization, Hokkaido 081-0038, Japan
| | | | - Kozo Sakamoto
- Genetics Hokkaido Association, Hokkaido 089-0103, Japan
| | | | | | | | - Ken Sawai
- United Graduate School of Agricultural Science, Iwate University, Iwate 020-8550, Japan
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14
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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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15
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Avdatek F, Yeni D, İnanç ME, Çil B, Tuncer BP, Türkmen R, Taşdemir U. Supplementation of quercetin for advanced DNA integrity in bull semen cryopreservation. Andrologia 2018; 50:e12975. [PMID: 29411886 DOI: 10.1111/and.12975] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2017] [Indexed: 01/15/2023] Open
Abstract
The aim of this study was to identify the effects of adding quercetin (Q) to Tris extender in order to identify levels of oxidative stress in bull sperm after freeze thawing. Ejaculates were collected via artificial vagina from Holstein bulls. Semen was divided into five tools and diluted to a final concentration of 15 × 106 spermatozoa/ml with the Tris extender containing Q (25, 50, 100 and 200 μg/ml) and no additive (control; C). All examples were equilibrated at 4°C during 4 hr then were loaded into 0.25-ml straws and frozen using a controlled rate. Sperm motility and motility characteristics were determined using the computer-assisted semen analyser. Sperm membrane integrity was assessed using the hypoosmotic swelling test. Sperm chromatin integrity was investigated using the single cell gel electrophoresis. Total antioxidant capacities were performed colorimetrically. Q supplementation used as an antioxidant did not produce better results in the proportion of sperm progressive and total motility, plasma membrane integrity and sperm abnormalities. Q supplementation exhibited the favourable tail length, tail DNA and tail moment. In conclusion, when whole parameters are considered, Q25 can be added to the Tris extender due to its positive effect on sperm DNA integrity and no adverse effect on the progressive and total motilities of sperm.
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Affiliation(s)
- F Avdatek
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - D Yeni
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - M E İnanç
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Mehmet Akif University, Burdur, Turkey
| | - B Çil
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - B P Tuncer
- Technical Sciences Vocational School, Mersin University, Mersin, Turkey
| | - R Türkmen
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyon, Turkey
| | - U Taşdemir
- Technical Sciences Vocational School, Aksaray University, Aksaray, Turkey
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16
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Baiee FH, Wahid H, Rosnina Y, Ariff O, Yimer N, Jeber Z, Salman H, Tarig A, Harighi F. Impact of Eurycoma longifolia extract on DNA integrity, lipid peroxidation, and functional parameters in chilled and cryopreserved bull sperm. Cryobiology 2018; 80:43-50. [DOI: 10.1016/j.cryobiol.2017.12.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/20/2017] [Accepted: 12/14/2017] [Indexed: 02/08/2023]
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17
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Tarig AA, Wahid H, Rosnina Y, Yimer N, Goh YM, Baiee FH, Khumran AM, Salman H, Assi MA, Ebrahimi M. Effect of different concentrations of soybean lecithin and virgin coconut oil in Tris-based extender on the quality of chilled and frozen-thawed bull semen. Vet World 2017; 10:672-678. [PMID: 28717321 PMCID: PMC5499086 DOI: 10.14202/vetworld.2017.672-678] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 05/05/2017] [Indexed: 11/16/2022] Open
Abstract
AIM The objective of this study was to evaluate the effects of different concentrations of soybean lecithin (SL) and virgin coconut oil (VCO) in Tris-based extender on chilled and frozen-thawed bull semen quality parameters. MATERIALS AND METHODS A total of 24 ejaculates were collected from four bulls via an electroejaculator. Semen samples were diluted with 2% VCO in Tris-based extender which consists of various concentrations of SL (1, 1.25, 1.5, and 1.75%). A 20% egg yolk in Tris used as a positive control (C+). The diluted semen samples were divided into two fractions; one for chilling which were stored at 4°C for 24, 72, and 144 h before evaluated for semen quality parameters. The second fraction used for freezing was chilled for 3 h at 4°C, packed into 0.25 mL straws and then cryopreserved in liquid nitrogen. The samples were then evaluated after 7 and 14 days. Chilled and frozen semen samples were thawed at 37°C and assessed for general motility using computer-assisted semen analysis, viability, acrosome integrity and morphology (eosin-nigrosin stain), membrane integrity, and lipid peroxidation using thiobarbituric acid reaction test. RESULTS The results showed that all the quality parameters assessed were significantly (p<0.05) improved at 1.5% SL concentration in chilled semen. Treatment groups of 1, 1.25, 1.5, and 1.75% SL were higher in quality parameters than the control group (C+) in chilled semen. However, all the quality parameters in frozen-thawed semen were significantly higher in the C+ than the treated groups. CONCLUSION In conclusion, supplementation of 1.5% SL in 2% VCO Tris-based extender enhanced the chilled bull semen. However, there was no marked improvement in the frozen-thawed quality parameters after treatment.
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Affiliation(s)
- A A Tarig
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia.,Department of Dairy Production, Faculty of Animal Production, University of Khartoum, Sudan
| | - H Wahid
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - Y Rosnina
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - N Yimer
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - Y M Goh
- Department of Veterinary Pre-Clinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - F H Baiee
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - A M Khumran
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - H Salman
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - M A Assi
- Department of Veterinary Pre-Clinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - M Ebrahimi
- Department of Veterinary Pre-Clinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
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18
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Tarig AA, Wahid H, Rosnina Y, Yimer N, Goh YM, Baiee FH, Khumran AM, Salman H, Ebrahimi M. Effect of different concentrations of egg yolk and virgin coconut oil in Tris-based extenders on chilled and frozen-thawed bull semen. Anim Reprod Sci 2017; 182:21-27. [PMID: 28511862 DOI: 10.1016/j.anireprosci.2017.03.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 03/31/2017] [Indexed: 11/24/2022]
Abstract
The aim of this study was to evaluate the effects of 8% virgin coconut oil (VCO) combined with different percentages of egg yolk in Tris extender on the quality of chilled and frozen-thawed bull semen. A total of 24 ejaculates from four bulls were collected using an electroejaculator. Semen samples were diluted with 8% VCO in Tris extender which contained different concentrations 0% (control), 4%, 8%, 12%, 16% and 20% egg yolk. The diluted semen samples were divided into two fractions: one was chilled and stored at 4°C until evaluation after 24, 72, and 144h; the second fraction was processed by chilling for 3h at 4°C to equilibrate, then packaged in 0.25ml straws and frozen and stored in liquid nitrogen at -196°C until evaluation after 7 and 14 days. Both chilled and frozen semen samples were then thawed at 37°C and assessed for general motility using computer-assisted semen analysis (CASA), viability, acrosome integrity, and morphology (eosin-nigrosin), membrane integrity (hypo-osmotic swelling test) and lipid peroxidation (thiobarbituric acid-reactive substances (TBARS)). The results indicate treatments with 8%, 12%, 16% and 20% egg yolk with 8% VCO had greater sperm quality (P<0.05) as compared with the control. The treatment with 20% egg yolk had the greatest sperm quality (P<0.05) among the treated groups for both chilled and frozen-thawed semen. In conclusion, the use of 8% VCO combined with 20% egg yolk in a Tris-based extender enhanced the values for chilled and frozen-thawed quality variables of bull sperm.
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Affiliation(s)
- A A Tarig
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia; Department of Dairy Production, Faculty of Animal Production, University of Khartoum, Sudan
| | - H Wahid
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia.
| | - Y Rosnina
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - N Yimer
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - Y M Goh
- Department of Veterinary Pre-Clinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - F H Baiee
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - A M Khumran
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - H Salman
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
| | - M Ebrahimi
- Department of Veterinary Pre-Clinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia
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