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Jhamb D, Talluri TR, Sharma S, Juneja R, Nirwan SS, Yadav D, Pargi KK, Tanwar A, Kumar P, Kumar R, Mehta SC, Parashar M, Gaur M. Freezability and Fertility Rates of Stallion Semen Supplemented With Trehalose in Lactose Extender. J Equine Vet Sci 2023; 126:104293. [PMID: 36958410 DOI: 10.1016/j.jevs.2023.104293] [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: 11/26/2022] [Revised: 03/09/2023] [Accepted: 03/16/2023] [Indexed: 03/25/2023]
Abstract
Cryopreservation of stallion semen is often associated with poor post-thaw sperm quality. One of the reason for this diminished quality is osmotic stress that spermatozoa experiences during freezing and thawing process. The aim of the present study was to evaluate the cryoprotective effect of trehalose on stallion sperm quality and field fertility rates subjected to cooling and freeze-thawing process. Semen samples were collected from six Marwari breed stallions, divided into three different treatments in a final concentration of 150 × 106 sperm/mL by using Lactose based extender containing 0, 50, and 150 mM of trehalose then subjected to cryopreservation after equilibration. Sperm motility, acrosome integrity, plasma membrane integrity, mitochondrial membrane potential, DNA integrity and oxidative stress related parameters of the stallion spermatozoa were analyzed at fresh, prefreeze and post thaw stages. Thirty (30) reproductively healthy mares were inseminated with frozen-thawed semen either supplemented with (treatment) or without (control) trehalose to evaluate the field fertility. Results of the current study indicated that, the extender containing 50 mM trehalose has enhanced the functional plasma membrane, acrosomal, DNA integrities and augmented the mitochondrial membrane potential. Trehalose supplementation to the semen extender not only ameliorated the semen quality parameters, but also protected the stallion sperm from oxidative stress by reducing the levels of reactive oxygen species (ROS) and lipid peroxidation (LPO). The inclusion of 50 mM trehalose in semen extender resulted in significantly (P < .05) increased post-thaw progressive motility and viability compared to the control group. Mares inseminated with frozen-thawed semen supplemented with 50 mM trehalose tended to have better pregnancy rates than controls (non-significant [P < .05]) although a larger fertility trial is required to determine if this effect reaches the level of significance. In conclusion, addition of 50 mM trehalose yielded in better quality stallion semen after cooling and post-thawing in terms of reducing the oxidative stress and enhancing the motility, integrities of acrosome, plasma membrane, mitochondrial potential and DNA.
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Affiliation(s)
- Dinesh Jhamb
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | | | - Sunanda Sharma
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Rohit Juneja
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Surendar Singh Nirwan
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Deepak Yadav
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Kalpesh Kumar Pargi
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Aashish Tanwar
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Pramod Kumar
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Ramesh Kumar
- ICAR-National Research Centre on Equines, Equine Production Campus, Bikaner, India
| | - Sharat Chandra Mehta
- ICAR-National Research Centre on Equines, Equine Production Campus, Bikaner, India
| | - Mukesh Parashar
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
| | - Mitesh Gaur
- Department of Veterinary Gynaecology and Obstetrics, College of Veterinary and Animal Science, Navania, Rajasthan university of Veterinary and animal science, Bikaner, India
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Janosikova M, Petricakova K, Ptacek M, Savvulidi FG, Rychtarova J, Fulka J. New approaches for long-term conservation of rooster spermatozoa. Poult Sci 2022; 102:102386. [PMID: 36599200 PMCID: PMC9817176 DOI: 10.1016/j.psj.2022.102386] [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: 06/24/2022] [Revised: 11/16/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
In contrast to the livestock industry, sperm cryopreservation has not yet been successfully established in the poultry industry. This is because poultry sperm cells have a unique shape and membrane fluidity, differing from those of livestock sperm. The objective of this review is to discuss the cellular and molecular characteristics of rooster spermatozoa as a cause for their generally low freezability. Furthermore, here, we discuss novel developments in the field of semen extenders, cryoprotectants, and freezing processes, all with the purpose of increasing the potential of rooster sperm cryopreservation. Currently, it is very important to improve cryopreservation of rooster sperm on a global scale for the protection of gene resources due to the incidence of epidemics such as avian influenza.
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Affiliation(s)
- Martina Janosikova
- Department of Animal Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Praha, Suchdol, Czech Republic,Corresponding author:
| | - Kristyna Petricakova
- Department of Animal Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Praha, Suchdol, Czech Republic
| | - Martin Ptacek
- Department of Animal Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Praha, Suchdol, Czech Republic
| | - Filipp Georgijevic Savvulidi
- Department of Animal Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, 165 00 Praha, Suchdol, Czech Republic
| | - Jana Rychtarova
- Department of Biology of Reproduction, Institute of Animal Science, 104 00 Praha, Uhříněves, Czech Republic
| | - Josef Fulka
- Department of Biology of Reproduction, Institute of Animal Science, 104 00 Praha, Uhříněves, Czech Republic
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Proteomic analysis of rabbit fresh and cryopreserved semen provides an important insight into molecular mechanisms of cryoinjuries to spermatozoa. Theriogenology 2022; 191:77-95. [DOI: 10.1016/j.theriogenology.2022.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 07/12/2022] [Accepted: 07/25/2022] [Indexed: 11/20/2022]
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Viudes-de-Castro MP, Talaván AG, Vicente JS. Evaluation of dextran for rabbit sperm cryopreservation: Effect on frozen-thawed rabbit sperm quality variables and reproductive performance. Anim Reprod Sci 2021; 226:106714. [PMID: 33556752 DOI: 10.1016/j.anireprosci.2021.106714] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 12/11/2022]
Abstract
Effects were analysed of dextran supplementation to Me2SO and acetamide rabbit semen freezing extenders on quality characteristics of rabbit spermatozoa and reproductive performance. The final concentration of cryoprotectants in pooled semen samples was 12.4 % Me2SO for the A extenders, 10.7 % Me2SO and 2.9 % acetamide for the D extenders and 8.9 % Me2SO and 2.9 % acetamide in F extenders, with a supplementation of 1.7 % sucrose in all cases. There was not inclusion of dextran in the A0, D0, F0; while 5 % dextran was included in A5, D5, F5 and 10 % dextran in A10, D10 and F10 extenders. Sperm motility and viability rates were similar with use of the different extenders. Acrosome integrity after the freeze-thawing processes, however, was markedly greater when there was dextran supplementation of D and F extenders. Prolificacy was affected by extender composition. When there was artificial insemination (AI) using semen cryopreserved in the A extenders, number of kits born was similar to when there was AI with fresh semen when there was inclusion of 5% dextran for cryopreservation, while there was no effect on prolificacy when there was cryopreservation of semen using the D and F extenders. In conclusion, dextran supplementation of extenders containing Me2SO and acetamide resulted in greater acrosome integrity. Furthermore, when there was AI using sperm preserved in cryo-diluents containing an intermediate concentration of Me2SO, combined with inclusion of 5 % dextran, there was a marked beneficial effect on rabbit doe reproductive performance.
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Affiliation(s)
- María P Viudes-de-Castro
- Animal Technology and Research Center (CITA-IVIA), Polígono La Esperanza nº 100, 12400 Segorbe, Castellón, Spain.
| | - Amparo G Talaván
- Institute of Science and Animal Technology (ICTA), Universitat Politècnica de València, 46022 Valencia, Spain
| | - José S Vicente
- Institute of Science and Animal Technology (ICTA), Universitat Politècnica de València, 46022 Valencia, Spain
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Fan J, Wang Y, Chen YE. Genetically Modified Rabbits for Cardiovascular Research. Front Genet 2021; 12:614379. [PMID: 33603774 PMCID: PMC7885269 DOI: 10.3389/fgene.2021.614379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 01/04/2021] [Indexed: 12/21/2022] Open
Abstract
Rabbits are one of the most used experimental animals for investigating the mechanisms of human cardiovascular disease and lipid metabolism because they are phylogenetically closer to human than rodents (mice and rats). Cholesterol-fed wild-type rabbits were first used to study human atherosclerosis more than 100 years ago and are still playing an important role in cardiovascular research. Furthermore, transgenic rabbits generated by pronuclear microinjection provided another means to investigate many gene functions associated with human disease. Because of the lack of both rabbit embryonic stem cells and the genome information, for a long time, it has been a dream for scientists to obtain knockout rabbits generated by homologous recombination-based genomic manipulation as in mice. This obstacle has greatly hampered using genetically modified rabbits to disclose the molecular mechanisms of many human diseases. The advent of genome editing technologies has dramatically extended the applications of experimental animals including rabbits. In this review, we will update genetically modified rabbits, including transgenic, knock-out, and knock-in rabbits during the past decades regarding their use in cardiovascular research and point out the perspectives in future.
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Affiliation(s)
- Jianglin Fan
- Department of Pathology, Xi'an Medical University, Xi'an, China.,Department of Molecular Pathology, Faculty of Medicine, Graduate School of Interdisciplinary Research, University of Yamanashi, Yamanashi, Japan.,School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, China
| | - Yanli Wang
- Department of Pathology, Xi'an Medical University, Xi'an, China
| | - Y Eugene Chen
- Center for Advanced Models for Translational Sciences and Therapeutics, University of Michigan Medical Center, Ann Arbor, MI, United States
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Abstract
Transgenic rabbits have contributed to the progress of biomedical science as human disease models because of their unique features, such as the lipid metabolism system similar to humans and medium body size that facilitates handling and experimental manipulation. In fact, many useful transgenic rabbits have been generated and used in research fields such as lipid metabolism and atherosclerosis, cardiac failure, immunology, and oncogenesis. However, there have been long-term problems, namely that the transgenic efficiency when using pronuclear microinjection is low compared with transgenic mice and production of knockout rabbits is impossible owing to the lack of embryonic stem cells for gene targeting in rabbits. Despite these limitations, the emergence of novel genome editing technology has changed the production of genetically modified animals including the rabbit. We are finally able to produce both transgenic and knockout rabbit models to analyze gain- and loss-of-functions of specific genes. It is expected that the use of genetically modified rabbits will extend to various research fields. In this review, we describe the unique features of rabbits as laboratory animals, the current status of their development and use, and future perspectives of transgenic rabbit models for human diseases.
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Duracka M, Lukac N, Kacaniova M, Kantor A, Hleba L, Ondruska L, Tvrda E. Antibiotics Versus Natural Biomolecules: The Case of In Vitro Induced Bacteriospermia by Enterococcus Faecalis in Rabbit Semen. Molecules 2019; 24:molecules24234329. [PMID: 31783504 PMCID: PMC6930653 DOI: 10.3390/molecules24234329] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 11/25/2019] [Accepted: 11/25/2019] [Indexed: 11/18/2022] Open
Abstract
Male subfertility is a global issue in human reproduction as well as in animal reproduction. Bacterial infection and semen contamination are still widely overlooked. As the collection of ejaculates is not a sterile process, it is necessary to add antimicrobial agents to avoid a possible depreciation of semen samples. As traditionally used antibiotics have been questioned because of an ever-increasing bacterial resistance, natural bioactive molecules could offer an alternative because of their antibacterial and antioxidant properties. As such, we decided to compare the effects of selected natural biomolecules (resveratrol-RES, quercetin-QUE and curcumin-CUR) with routinely used antibiotics in animal biotechnologies (penicillin-PEN, gentamicin-GEN and kanamycin-KAN) on the rabbit sperm vitality in the presence of Enterococcus faecalis. Changes in the sperm structural integrity and functional activity were monitored at 0, 2, 4 and 6 h. Computer-assisted sperm analysis (CASA) was used for the assessment of spermatozoa motility. Production of reactive oxygen species (ROS) was evaluated using chemiluminiscence, while the mitochondrial membrane potential (ΔΨm) was examined using the JC-1 dye. Finally, the sperm chromatin dispersion (SCD) test was used to assess DNA fragmentation, and changes to the membrane integrity were evaluated with the help of annexin V/propidium iodide. The motility assessment revealed a significant sperm motility preservation following treatment with GEN (p < 0.001), followed by PEN and CUR (p < 0.01). QUE was the most capable substance to scavenge excessive ROS (p < 0.001) and to maintain ΔΨm (p < 0.01). The SCD assay revealed that the presence of bacteria and antibiotics significantly (p < 0.05) increased the DNA fragmentation. On the other hand, all bioactive compounds readily preserved the DNA integrity (p < 0.05). In contrast to the antibiotics, the natural biomolecules significantly maintained the sperm membrane integrity (p < 0.05). The microbiological analysis showed that GEN (p < 0.001), KAN (p < 0.001), PEN (p < 0.01) and CUR (p < 0.01) exhibited the strongest antibacterial activity against E. faecalis. In conclusion, all selected biomolecules provided protection to rabbit spermatozoa against deleterious changes to their structure and function as a result of Enterococcus faecalis contamination. Therefore, administration of RES, QUE and/or CUR to rabbit semen extenders in combination with a carefully selected antibacterial substance may be desirable.
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Affiliation(s)
- Michal Duracka
- Department of Animal Physiology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.D.); (N.L.)
| | - Norbert Lukac
- Department of Animal Physiology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.D.); (N.L.)
| | - Miroslava Kacaniova
- Department of Fruit Growing, Viticulture and Enology, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
- Department of Bioenergy and Food Technology, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza St. 4, 35601 Rzeszow, Poland
| | - Attila Kantor
- Department of Technology and Quality of Plant Products, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
| | - Lukas Hleba
- Department of Microbiology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia;
| | - Lubomir Ondruska
- Institute of Small Farm Animals, Research Institute for Animal Production, Hlohovecká 2, 951 41 Lužianky, Nitra, Slovakia;
| | - Eva Tvrda
- Department of Animal Physiology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (M.D.); (N.L.)
- Correspondence: ; Tel.: +421-37-641-4918
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Snoeck PPDN, Pessoa THO, Pereira MGS, Bastos ICL, de Melo MIV. Can we use LDL instead of egg yolk in BotuCrio® extender to cryopreserve sperm from the Mangalarga Marchador stallion? Anim Reprod 2019; 16:340-347. [PMID: 33224296 PMCID: PMC7673584 DOI: 10.21451/1984-3143-ar2019-0039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The objective of this study was to compare the BotuCrio® extender with the Merk - egg yolk and the INRA 82 modified by the inclusion of acetamide, methyl cellulose and trehalose in substitution of glycerol for freezing equine semen. The semen was diluted after centrifugation to obtain 100 x 106 of sperm/ml in: BotuCrio® (control); Merk - egg yolk or INRA 82 modified (Experiment 1). The extended semen was packaged in 0.5 ml straws, cooled and frozen in a freezing machine. The control extender was superior in preserving the motility, VCL, VSL, VAP, LIN, STR and the BCF when compared to the Merk - egg yolk and INRA 82 modified (P < 0.05). The BotuCrio® preserved more effectively the equine sperm viability characteristics evaluated in Experiment 1 and was used as a control extender in Experiment 2 to test the effectiveness of using LDL in replacement of egg yolk. BotuCrio® was superior to preserve progressive motility, VCL, VSL, VAP, LIN, STR and the percentage of functional integrity of sperm membranes compared to BotuCrio LDL (P < 0.05). However, both extenders preserved similarly the total motility, ALH, BCF and the structural integrity of the membranes (P > 0.05). The fertility rate after AI with frozen semen in BotuCrio LDL was 37.5%.
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Raza S, Uçan U, Aksoy M, Erdoğan G, Ceylan A, Serin I. Silk protein sericin pretreatment enhances osmotic tolerance and post-thaw sperm quality but reduces the ability of sperm cells to undergo in vitro induced acrosome reaction in rabbit. Cryobiology 2019; 90:1-7. [PMID: 31541621 DOI: 10.1016/j.cryobiol.2019.09.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 01/17/2023]
Abstract
Effect of sericin pretreatment of sperm cells on the osmotic tolerance, ability to undergo acrosome reaction induced by calcium ionophore (CI), heparin (H) or lysophosphatidylcholine (LPC), post-thaw sperm quality and in vivo fertility was evaluated in four successive experiments in rabbit. In experiment 1, fresh semen was pretreated with sericin (0, 0.1% or 0.5% w/v) before exposing to fructose solutions adjusted to either 50, 100, 290, 500 or 1000 mOsm/L. Sericin pretreatment increased sperm livability in addition to live-membrane intact and total membrane intact sperm rates (P < 0.05) in 50 and 290 mOsm/L groups. In experiment 2, sperm samples were pretreated by either 0.1 or 0.5% sericin after removal of the semen plasma. CI, H or LPC were used to induce acrosome reaction in pretreated sperm samples. Sericin pretreatment, reduced the ability of sperm cells to undergo acrosome reaction (P < 0.05) in vitro. In experiment 3, ejaculates were frozen with or without sericin pretreatment in DMSO-sucrose extender. In post-thaw samples sericin pretreatment improved total and progressive motility, livability, membrane and acrosome integrity in a dose dependent manner (P < 0.05). In vivo fertility trials by artificial inseminations revealed contradictory results in experiment 4. Although 0.5% sericin pretreatment totally inhibited fertility, 0.1% sericin provided high pregnancy rates. In conclusion; sericin pretreatment enhances osmotic tolerance and post-thaw sperm quality, but reduces the ability of rabbit sperm cells to undergo in vitro induced acrosome reaction, but this effect is restored in vivo by dose dependent manner.
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Affiliation(s)
- Sanan Raza
- Department of Animal Reproduction, University of Veterinary & Animal Sciences, 35200, Jhang Campus, Pakistan; Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Aydin Adnan Menderes, 09016, Aydin, Turkey.
| | - Uğur Uçan
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Aydin Adnan Menderes, 09016, Aydin, Turkey.
| | - Melih Aksoy
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Aydin Adnan Menderes, 09016, Aydin, Turkey.
| | - Güneş Erdoğan
- Department of Veterinary Obstetrics and Gynecology, Faculty of Veterinary Medicine, University of Aydin Adnan Menderes, 09016, Aydin, Turkey.
| | - Ahmet Ceylan
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Aydin Adnan Menderes, 09016, Aydin, Turkey.
| | - Ilker Serin
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Aydin Adnan Menderes, 09016, Aydin, Turkey.
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Akhtarshenas B, Karami Shabankareh H, Hajarian H, Bucak MN, Abdolmohammadi AR, Dashtizad M. The protease inhibitor antipain has a beneficial synergistic effect with trehalose for ram semen cryopreservation. Reprod Domest Anim 2018; 53:1359-1366. [DOI: 10.1111/rda.13253] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 06/12/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Bahareh Akhtarshenas
- IVF Laboratory Department of Animal Science Faculty of Agricultural and Engineering Science Razi University Kermanshah Iran
| | - Hamed Karami Shabankareh
- IVF Laboratory Department of Animal Science Faculty of Agricultural and Engineering Science Razi University Kermanshah Iran
| | - Hadi Hajarian
- IVF Laboratory Department of Animal Science Faculty of Agricultural and Engineering Science Razi University Kermanshah Iran
| | - Mustafa Numan Bucak
- Department of reproduction and artificial insemination Faculty of Veterinary Selcuk University Selcuk Turkey
| | - Ali Reza Abdolmohammadi
- IVF Laboratory Department of Animal Science Faculty of Agricultural and Engineering Science Razi University Kermanshah Iran
| | - Mojtaba Dashtizad
- Department of Animal Science National Institute of genetics and biotechnology Tehran Iran
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Grein TA, Freimark D, Weber C, Hudel K, Wallrapp C, Czermak P. Alternatives to Dimethylsulfoxide for Serum-Free Cryopreservation of Human Mesenchymal Stem Cells. Int J Artif Organs 2018. [DOI: 10.1177/039139881003300605] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Human mesenchymal stem cells (hMSCs) have some favorable characteristics like high plasticity, multilineage differentiation potential, and comparably easy handling in vitro, making them of interest for many clinical and therapeutic approaches including cell therapy. For routine applications, these cells have to be stored over a certain period of time without loss of cell vitality and function. An easy way to preserve cells is to store them at temperatures between -80°C and -196°C (liquid nitrogen). To prevent cells from the damage caused by the cryopreservation process and to achieve high cell recovery and vitality, cryoprotectants are used. Typically dimethylsulfoxide, often in combination with serum, is used as a cryoprotectant. However, for clinical approaches, the use of dimethylsulfoxide and serum in patients is problematic for several reasons. Therefore, the cryopreservation of human mesenchymal stem cells for cell therapeutic applications without dimethylsulfoxide and serum demands investigation. In this work, non-toxic alternatives to dimethylsulfoxide such as glycerol or the compatible solutes, proline and ectoin, were analyzed in a serum-free cryomedium with respect to their cryoprotective properties. Different concentrations of the cryoprotectants (1–10% (w/v) ectoin or proline, respectively, or 5–20% (v/v) glycerol) and certain incubation times (0–60 minutes) were investigated with regard to post-thaw cell vitality and cell growth. Our results showed that, in general, cryopreservation with ectoin led to high post-thaw cell survival of up to 72% whereas after cryopreservation with glycerol and proline, the hMSC cells were completely dead (glycerol) or had only poor cell survival (proline, 22%). Moreover, the morphology of the hMSC cells changed to a large and flat phenotype after cryopreservation with proline. These results indicate that glycerol and proline are not suitable for cryopreservation of hMSC. In contrast, ectoin has the potential to replace dimethylsulfoxide as a cryoprotectant in a serum-free cryomedium.
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Affiliation(s)
- Tanja A. Grein
- University of Applied Sciences Giessen-Friedberg, Institute of Biopharmaceutical Technology, Giessen - Germany
| | - Denise Freimark
- University of Applied Sciences Giessen-Friedberg, Institute of Biopharmaceutical Technology, Giessen - Germany
| | - Christian Weber
- University of Applied Sciences Giessen-Friedberg, Institute of Biopharmaceutical Technology, Giessen - Germany
| | - Klaus Hudel
- Martin Christ Gefriertrocknungsanlagen GmbH, Osterode am Harz - Germany
| | | | - Peter Czermak
- University of Applied Sciences Giessen-Friedberg, Institute of Biopharmaceutical Technology, Giessen - Germany
- Department of Chemical Engineering, Kansas State University, Manhattan, Kansas - USA
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Guimarães DB, Barros TB, Cantanhêde LF, Feugang JMN, Souza LPD, Toniolli R. QUALIDADE ESPERMÁTICA DURANTE A CURVA DE RESFRIAMENTO DO SÊMEN SUÍNO DILUÍDO EM ÁGUA DE COCO EM PÓ VISANDO SUA CRIOPRESERVAÇÃO. CIÊNCIA ANIMAL BRASILEIRA 2018. [DOI: 10.1590/1809-6891v19e-38250] [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
Resumo A criopreservação seminal apresenta baixos resultados produtivos. Objetivou-se testar a Água de Coco em Pó (ACP-103®) como diluente de ressuspensão após a descongelação seminal e avaliar a qualidade espermática durante a curva de resfriamento até a descongelação do sêmen. Para isso, o sêmen de 15 reprodutores foi coletado uma vez por semana, incubado a 30 ºC por 15 minutos, e em seguida diluído em Beltsville Thawing Solution - BTS (controle) ou em ACP-103®, e submetidos a uma curva de resfriamento lenta, onde foram feitas análises de vigor e motilidade em cada passo. O sêmen descongelado foi ressuspenso em seus respectivos diluentes e analisado quanto às características: vigor, motilidade, vitalidade, integridade acrossomal e funcionalidade da membrana. Durante as análises de vigor e motilidade que compõem a curva de resfriamento, e na descongelação, para as análises de vitalidade e membrana acrossomal intacta, observou-se que não houve diferença significativa entre os tratamentos. Já após a descongelação, o BTS apresentou melhores resultados de vigor, motilidade espermática e funcionalidade da membrana. No entanto, a curva de resfriamento e o ACP-103® podem ser utilizadas no protocolo de criopreservação do sêmen suíno, visto que ambas asseguraram qualidade da viabilidade espermática.
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Hall SE, Negus C, Johinke D, Bathgate R. Adjusting cryodiluent composition for improved post-thaw quality of rabbit spermatozoa. PLoS One 2017; 12:e0175965. [PMID: 28426717 PMCID: PMC5398568 DOI: 10.1371/journal.pone.0175965] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 04/03/2017] [Indexed: 11/18/2022] Open
Abstract
Improved fertility following artificial insemination with frozen-thawed spermatozoa would offer rabbit producers faster genetic improvement. Previous work investigating cryoprotectants for rabbit spermatozoa have reported inconsistent results. Semen was collected from three rabbit bucks by artificial vagina and frozen using a standard procedure with varied cryodiluent components. Post-thaw analysis encompassed motility, sperm kinematic parameters and acrosome and membrane integrity. Spermatozoa were evaluated at 0, 2 and 4 h after thawing. Experiment 1 compared diluents with 3.5% dimethyl sulfoxide (DMSO), 1.5% acetamide, 1.75% DMSO + 0.75% acetamide or 3.5% DMSO + 1.5% acetamide. The treatment that resulted in the highest post-thaw motility (P<0.001) and acrosome integrity (P<0.001) was DMSO alone. Experiment 2 compared 3.5, 7 and 10% DMSO in the cryodiluent. The best post-thaw sperm motility (P<0.001) and linearity (P = .002) was in 3.5% DMSO, while 10% DMSO afforded higher acrosome/membrane integrity at this last time point (P<0.05). Experiment 3 varied the cryodiluent to contain either 9 or 17% egg yolk or 9 or 17% low density lipoproteins extracted from whole egg yolk. The treatment with the best post-thaw result was 17% egg yolk (motility, P = 0.01; acrosome/membrane integrity, P<0.001). Experiment 4 compared different carbohydrates in the cryodiluent; 50 mM glucose (TCG), 25 mM glucose with 25 mM sucrose (TCGS low), or 50 mM glucose with 50 mM sucrose (TCGS high). When data were pooled across time points, TCG had significantly higher motility than TCGS high (P = 0.021), but was not different from TCGS low. However, TCG had fewer spermatozoa with intact acrosomes and membranes than both TCGS low and TCGS high (P = .002). Put together, these results indicate that the best cryodiluent for rabbit spermatozoa frozen under the conditions used in this paper is with 7% DMSO and 17% egg yolk in a base medium containing 25 mM glucose and 25 mM sucrose.
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Affiliation(s)
- Sally E. Hall
- Faculty of Veterinary Science, The University of Sydney, Sydney, NSW, Australia
| | - Cameron Negus
- Faculty of Veterinary Science, The University of Sydney, Sydney, NSW, Australia
| | - Danielle Johinke
- Faculty of Veterinary Science, The University of Sydney, Sydney, NSW, Australia
| | - Roslyn Bathgate
- Faculty of Veterinary Science, The University of Sydney, Sydney, NSW, Australia
- * E-mail:
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Seifi-Jamadi A, Ahmad E, Ansari M, Kohram H. Antioxidant effect of quercetin in an extender containing DMA or glycerol on freezing capacity of goat semen. Cryobiology 2017; 75:15-20. [DOI: 10.1016/j.cryobiol.2017.03.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 01/27/2017] [Accepted: 03/05/2017] [Indexed: 12/26/2022]
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Trehalose improves rabbit sperm quality during cryopreservation. Cryobiology 2017; 75:45-51. [DOI: 10.1016/j.cryobiol.2017.02.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 02/17/2017] [Indexed: 11/17/2022]
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16
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El-Sheshtawy RI, Sisy GA, El-Nattat WS. Effects of different concentrations of sucrose or trehalose on the post-thawing quality of cattle bull semen. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2015. [DOI: 10.1016/s2305-0500(14)60053-1] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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17
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Abstract
SummaryThe aim of this study was to evaluate the effect of the addition of Ficoll 70 into the cryopreservation medium containing sucrose and dimethyl sulfoxide (DMSO) on rabbit spermatozoa characteristics following freezing/thawing. This large molecular weight polymer elevates the viscosity of medium and, therefore, could better protect spermatozoa during the freezing process. Only ejaculates of good initial motility (>80%) were used in the experiments. Heterospermic pools were diluted in a freezing medium composed of commercial diluent, 16% dimethyl sulphoxide (DMSO) and 2% sucrose (control) or in the same medium enriched with 4% Ficoll 70 (Ficoll) and frozen in liquid nitrogen vapours for 10 min before being plunged in liquid nitrogen. The quality of fresh and frozen/thawed spermatozoa samples was evaluated in vitro using the Computer Assisted Semen Analysis (CASA) system, fluorescent probes (peanut agglutinin (PNA)-Alexa Fluor®; annexin V-FLOUS) and by electron microscopy. Better cryoprotective effect was observed when Ficoll 70 was added, compared with the semen cryopreserved with sucrose and DMSO only. The higher values (P < 0.05) of motile and progressively moving spermatozoa immediately after thawing and at 30 min following incubation at 37°C were obtained in the Ficoll group. Moreover, the higher number (P < 0.05) of acrosome intact sperm was found in the Ficoll compared with the control group. Furthermore, no significant differences in kindling rates and number of pups born between frozen/thawed and fresh semen group were found. In conclusion, our study showed that the addition of Ficoll 70 might improve several characteristics of rabbit spermatozoa measured in vitro following freezing/thawing.
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Nishijima K, Tanaka M, Sakai Y, Koshimoto C, Morimoto M, Watanabe T, Fan J, Kitajima S. Effects of type III antifreeze protein on sperm and embryo cryopreservation in rabbit. Cryobiology 2014; 69:22-5. [DOI: 10.1016/j.cryobiol.2014.04.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 04/23/2014] [Accepted: 04/23/2014] [Indexed: 11/16/2022]
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Mocé E, Blanch E, Talaván A, Viudes de Castro MP. Reducing the time rabbit sperm are held at 5 °C negatively affects their fertilizing ability after cryopreservation. Theriogenology 2014; 82:1049-53. [PMID: 25149023 DOI: 10.1016/j.theriogenology.2014.07.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 07/14/2014] [Accepted: 07/14/2014] [Indexed: 11/17/2022]
Abstract
Cooling sperm to and equilibrating the sperm at 5 °C require the most time in any sperm cryopreservation protocol. Reducing the time required for these phases would simplify sperm freezing protocols and allow greater number of ejaculates to be processed and frozen in a given time. This study determined how holding rabbit sperm at 5 °C for different lengths of time (0, 10, 15, 20, 30, or 45 minutes) affected the quality of rabbit sperm, measured by in vitro assays, and if reducing the cooling time to only 10 minutes affected the fertilizing ability of the sperm. Reducing the time sperm were held at 5 °C to 10 minutes did not affect the in vitro quality of the sperm (percent motile and with intact plasma membranes), although eliminating the cooling phase completely (directly freezing the sperm from room temperature) decreased in vitro assessed sperm quality (P<0.01). However, reducing the time sperm were held at 5 °C, from 45 to 10 minutes, negatively affected the fertilizing ability of sperm in vivo (P<0.05). In conclusion, completely eliminating cooling rabbit sperm to 5 °C before freezing is detrimental for rabbit sperm cryosurvival, and although shortening the time sperm are held at 5 °C to 10 minutes does not reduce in vitro sperm quality, it does reduce the fertility of rabbit sperm. Therefore, the length of time rabbit sperm equilibrate at 5 °C is crucial to the fertilizing ability of rabbit sperm and must be longer than 10 minutes. Currently, it is not known if holding rabbit sperm at 5 °C for less than 45 minutes will affect sperm fertilizing ability.
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Affiliation(s)
- E Mocé
- Centro de Tecnología Animal-Instituto Valenciano de Investigaciones Agrarias (CITA-IVIA), Polígono La Esperanza, Segorbe, Castellón, Spain.
| | - E Blanch
- Centro de Tecnología Animal-Instituto Valenciano de Investigaciones Agrarias (CITA-IVIA), Polígono La Esperanza, Segorbe, Castellón, Spain
| | - A Talaván
- Centro de Tecnología Animal-Instituto Valenciano de Investigaciones Agrarias (CITA-IVIA), Polígono La Esperanza, Segorbe, Castellón, Spain
| | - M P Viudes de Castro
- Centro de Tecnología Animal-Instituto Valenciano de Investigaciones Agrarias (CITA-IVIA), Polígono La Esperanza, Segorbe, Castellón, Spain
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Pukazhenthi BS, Johnson A, Guthrie HD, Songsasen N, Padilla LR, Wolfe BA, Coutinho da Silva M, Alvarenga MA, Wildt DE. Improved sperm cryosurvival in diluents containing amides versus glycerol in the Przewalski's horse (Equus ferus przewalskii). Cryobiology 2014; 68:205-14. [PMID: 24508651 DOI: 10.1016/j.cryobiol.2014.01.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2013] [Revised: 01/21/2014] [Accepted: 01/27/2014] [Indexed: 10/25/2022]
Abstract
Two studies were conducted to understand sperm cryosensitivity in an endangered equid, the Przewalski's horse (Equus ferus przewalski), while testing the cryoprotectant ability of formamides. The first assessed the toxicity of permeating cryoprotectants (glycerol, methylformamide [MF] and dimethylformamide [DMF]) to Przewalski's horse spermatozoa during liquid storage at 4°C. The second examined the comparative influence of three diluents (with or without formamides) on cryosurvival of sperm from the Przewalski's versus domestic horse. When Przewalski's horse spermatozoa were incubated at 4°C in INRA 96 with differing concentrations of glycerol, MF or DMF or a combination of these amides, cells tolerated all but the highest concentration (10% v/v) of MF alone or in combination with DMF, both of which decreased (P<0.05) motility traits. There was no effect of cryoprotectants on sperm acrosomal integrity. In the cryosurvival study, average sperm motility and proportion of cells with intact acrosomes in fresh ejaculates were similar (P>0.05) between the Przewalski's (67%, 84%, respectively) and domestic (66%, 76%) horse donors. Sperm from both species were diluted in lactose-EDTA-glycerol (EQ), Botu-Crio (BOTU; a proprietary product containing glycerol and MF) or SM (INRA 96 plus 2% [v/v] egg yolk and 2.5% [v/v] MF and DMF) and then frozen over liquid nitrogen vapor. After thawing, the highest values recovered for total and progressive sperm motility, acrosomal integrity and mitochondrial membrane potential were 42.4%, 21.8%, 88.7% and 25.4CN (CN=mean JC-1 fluorescence intensity/cell on a channel number scale), respectively, in the Przewalski's and 49.3%, 24.6%, 88.9% and 25.8CN, respectively, in the domestic horse. Although sperm progressive motility and acrosome integrity did not differ (P>0.05) among treatments across species, mitochondrial membrane potential was higher (P<0.05) in both species using EQ compared to BOTU or SM media. Additionally, Przewalski's stallion sperm expressed higher (P<0.05) post-thaw total motility in BOTU and SM compared to EQ, whereas there were no differences among freezing diluents in the domestic horse. In summary, Przewalski's stallion sperm benefit from exposure to either MF or DMF as an alternative cryoprotectant to glycerol. Overt sperm quality appears similar between the Przewalski's and domestic horse, although the total motility of cells from the former appears more sensitive to certain freezing diluents. Nonetheless, post-thaw motility and acrosomal integrity values for Przewalski's horse spermatozoa mimic findings in the domestic horse in the presence of INRA 96 supplemented with 2% (v/v) egg yolk and a combined 2.5% concentration of MF and DMF.
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Affiliation(s)
- Budhan S Pukazhenthi
- Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, United States.
| | - Aime Johnson
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, United States.
| | - H David Guthrie
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, United States.
| | - Nucharin Songsasen
- Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, United States.
| | - Luis R Padilla
- Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, United States.
| | | | - Marco Coutinho da Silva
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, United States.
| | - Marco A Alvarenga
- Department of Animal Reproduction and Veterinary Radiology, School of Veterinary Medicine, São Paulo State University, UNESP, Botucatu, São Paulo, Brazil.
| | - David E Wildt
- Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA 22630, United States.
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Fahmy M, Almansoori K, Laouar L, Prasad V, McGann L, Elliott J, Jomha N. Dose–injury relationships for cryoprotective agent injury to human chondrocytes. Cryobiology 2014; 68:50-6. [DOI: 10.1016/j.cryobiol.2013.11.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 09/16/2013] [Accepted: 11/11/2013] [Indexed: 11/24/2022]
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22
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Effect of freezing extender composition and male line on semen traits and reproductive performance in rabbits. Animal 2014; 8:765-70. [DOI: 10.1017/s1751731114000135] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Sood S, Malecki IA, Tawang A, Martin GB. Survival of emu (Dromaius novaehollandiae) sperm preserved at subzero temperatures and different cryoprotectant concentrations. Theriogenology 2013; 78:1557-69. [PMID: 22980087 DOI: 10.1016/j.theriogenology.2012.06.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Revised: 06/15/2012] [Accepted: 06/15/2012] [Indexed: 11/18/2022]
Abstract
Three experiments were conducted to optimize the protocol for cryopreservation of emu sperm. Ejaculates were collected from trained male emus then diluted 1:1 and pooled before allocation to treatments and measured for sperm viability, motility, egg membrane penetration ability, membrane stability, and morphology. In Experiment 1, semen was either cooled to 5 °C after dilution or diluted with a precooled to 5 °C diluent before cooling to 5 °C and then frozen at liquid nitrogen vapor temperatures of -140 °C and -35 °C, with 6% or 9% dimethylacetmide (DMA; a permeating cryoprotectant) and compared for sperm functions. The percentages of viable (42.8 ± 1.1%), normal (39.0 ± 1.3%), and motile (29.8 ± 1.3%) sperm were higher (P < 0.001) for semen frozen at -14 °C with 9% DMA (path 2) than for all other combinations. In Experiment 2, we assessed the value of combining DMA and trehalose in the diluent. Combining trehalose (3% to 9%) with DMA (3% to 9%) prior to freezing reduced (P < 0.001) the percentages of postthaw viable (by 4 to 9 ± 1.2%), normal (by 5 to 11 ± 1.3%), and motile sperm (by 13 to 17 ± 2.5%) and the number of holes on the perivitelline layer (by 27 to 29 holes/mm(2)). Postthaw function was best preserved with 9% DMA alone. In experiment 3, we investigated the possibility of increasing DMA concentrations from 6% to 24%. Postthaw sperm viability (52 to 55 ± 2.3%) and morphology (48 to 51 ± 1.7%) were higher (P < 0.05) with 18% and 24% than with 6% to 12% DMA and did not differ between 18% and 24% DMA. However, sperm motility (36 to 43 ± 2.9%) and the number of perivitelline holes were similar (P > 0.05) for 9% to 18% DMA (36 to 55 ± 12%). We concluded that adding 6% to 9% trehalose to the diluent offered no advantage, and that the current best practice for preserving postthaw function in emu sperm is to dilute semen with a precooled to 5 °C diluent and use 18% DMA.
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Affiliation(s)
- S Sood
- School of Animal Biology, Faculty of Natural and Agricultural Sciences, the University of Western Australia, Crawley, WA, Australia.
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Imrat P, Suthanmapinanth P, Saikhun K, Mahasawangkul S, Sostaric E, Sombutputorn P, Jansittiwate S, Thongtip N, Pinyopummin A, Colenbrander B, Holt W, Stout T. Effect of pre-freeze semen quality, extender and cryoprotectant on the post-thaw quality of Asian elephant (Elephas maximus indicus) semen. Cryobiology 2013; 66:52-9. [DOI: 10.1016/j.cryobiol.2012.11.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 11/02/2012] [Accepted: 11/06/2012] [Indexed: 12/21/2022]
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Rosato MP, Iaffaldano N. Cryopreservation of rabbit semen: comparing the effects of different cryoprotectants, cryoprotectant-free vitrification, and the use of albumin plus osmoprotectants on sperm survival and fertility after standard vapor freezing and vitrification. Theriogenology 2012; 79:508-16. [PMID: 23218394 DOI: 10.1016/j.theriogenology.2012.11.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 10/31/2012] [Accepted: 11/01/2012] [Indexed: 12/21/2022]
Abstract
This study was designed to improve current freezing protocols for rabbit sperm by examining: (1) the toxicity of different permeable cryoprotectants (CPAs) used for standard vapor freezing (conventional freezing); (2) the feasibility of ultrarapid nonequilibrium freezing (vitrification) of sperm in the absence of permeating CPAs; and (3), the addition of bovine serum albumin (BSA), alone or with sucrose or trehalose as osmoprotectants. First, we evaluated the effects on sperm motility of the incubation time (5 to 60 minutes) with different final concentrations (5% to 20%) of glycerol, N-N-dimethylacetamide, dimethylsulfoxide (DMSO), ethylene glycol, propylene glycol, and methanol. N-N-dimethylacetamide (5%) and DMSO (5% and 10%) showed the least toxic effects; the use of 10% DMSO producing the best postthaw sperm motility and membrane integrity results (P < 0.05) after conventional freezing. For vitrification, semen was diluted in the absence of permeable CPAs and frozen by dropping semen directly in liquid nitrogen. However, this led to the low or null cryosurvival of sperm postvitrification (0.16 ± 0.4%, 1.8 ± 1.6%, and 94.5 ± 1.4% of motile, membrane-, and DNA-intact sperm cells, respectively). To assess the effects of albumin and osmoprotectants on sperm cryosurvival, sperm was conventionally frozen with 10% DMSO or vitrified in the absence of permeable CPAs without or with 0.5% BSA alone or combined with sucrose or trehalose (range, 0-0.25 M). In the conventional freezing procedure, the addition of BSA alone failed to improve sperm cryosurvival, however, in the presence of BSA plus either sucrose or trehalose, the postthaw motility (using 0.1 M sucrose or trehalose) and DNA integrity (using all additive concentrations) of sperm were significantly better (P < 0.05) than control. Higher numbers of motile and membrane-intact cells were observed when semen was vitrified with BSA alone or with BSA and sucrose (0.1 and 0.25 M) or BSA and trehalose (0.25 M) and a best recovery of DNA-intact sperm was recorded for BSA plus sucrose compared with semen vitrified without osmoprotectants (P < 0.05). Finally, the cryodiluent combinations BSA/sucrose and BSA/trehalose were compared in an insemination trial. Rabbit does were inseminated with fresh semen (N = 56), semen conventionally cryopreserved in the BSA-based cryodiluents containing 0.1 M sucrose or trehalose (N = 56 per group), or semen vitrified in the presence of 0.25 M sucrose or trehalose (N = 8 per group). Fertility rates and live born kids were similar for semen cryopreserved with BSA/sucrose (77% and 7.6) compared with fresh semen (84% and 8.1) and significantly higher than the figures recorded for the conventionally frozen semen in the BSA/trehalose group (52% and 6.1; P ≤ 0.05). In contrast, only one doe inseminated with semen vitrified in the presence of BSA/sucrose became pregnant, though no kids were delivered. The conclusions to be drawn from our study are: (1) incubation times and concentration toxicities established for the main permeable CPAs used for conventional freezing of rabbit sperm indicated that DMSO 10% was the least damaging; (2) CPA-free vitrification of rabbit semen led to a low or null sperm cryosurvival; and (3) enriching the freezing medium with BSA plus adequate amounts of sucrose or trehalose can improve the cryosurvival of rabbit sperm after conventional freezing or vitrification. In our working conditions, BSA/sucrose was more effective than BSA/trehalose at preserving the in vivo fertilization capacity of rabbit sperm cryopreserved using the standard procedure.
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Affiliation(s)
- Maria Pina Rosato
- Department of Agricultural, Environmental and Food Sciences, University of Molise, Campobasso, Italy.
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Iaffaldano N, Di Iorio M, Rosato MP. The cryoprotectant used, its concentration, and the equilibration time are critical for the successful cryopreservation of rabbit sperm: Dimethylacetamide versus dimethylsulfoxide. Theriogenology 2012; 78:1381-9. [DOI: 10.1016/j.theriogenology.2012.06.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Revised: 06/06/2012] [Accepted: 06/12/2012] [Indexed: 10/28/2022]
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Maeda T, Liu E, Nishijima K, Yamaguchi S, Morimoto M, Watanabe T, Fan J, Kitajima S. Effect of the primary cooling rate on the motility and fertility of frozen-thawed rabbit spermatozoa. WORLD RABBIT SCIENCE 2012. [DOI: 10.4995/wrs.2012.1080] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Almansoori K, Prasad V, Forbes J, Law G, McGann L, Elliott J, Jomha N. Cryoprotective agent toxicity interactions in human articular chondrocytes. Cryobiology 2012; 64:185-91. [DOI: 10.1016/j.cryobiol.2012.01.006] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2011] [Revised: 01/08/2012] [Accepted: 01/10/2012] [Indexed: 11/29/2022]
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Bezerra FSB, Castelo TS, Alves HM, Oliveira IR, Lima GL, Peixoto GC, Bezerra ACS, Silva AR. Objective assessment of the cryoprotective effects of dimethylformamide for freezing goat semen. Cryobiology 2011; 63:263-6. [DOI: 10.1016/j.cryobiol.2011.09.136] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Revised: 04/28/2011] [Accepted: 09/22/2011] [Indexed: 11/29/2022]
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Malo C, Gil L, Cano R, Martínez F, García A, Jerez RA. Dimethylformamide is not better than glycerol for cryopreservation of boar semen. Andrologia 2011; 44 Suppl 1:605-10. [DOI: 10.1111/j.1439-0272.2011.01237.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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31
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Freimark D, Sehl C, Weber C, Hudel K, Czermak P, Hofmann N, Spindler R, Glasmacher B. Systematic parameter optimization of a Me2SO- and serum-free cryopreservation protocol for human mesenchymal stem cells. Cryobiology 2011; 63:67-75. [DOI: 10.1016/j.cryobiol.2011.05.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Revised: 05/05/2011] [Accepted: 05/10/2011] [Indexed: 11/30/2022]
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Jafaroghli M, Khalili B, Farshad A, Zamiri M. The effect of supplementation of cryopreservation diluents with sugars on the post-thawing fertility of ram semen. Small Rumin Res 2011. [DOI: 10.1016/j.smallrumres.2010.11.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Blanco JM, Long JA, Gee G, Wildt DE, Donoghue AM. Comparative cryopreservation of avian spermatozoa: benefits of non-permeating osmoprotectants and ATP on turkey and crane sperm cryosurvival. Anim Reprod Sci 2010; 123:242-8. [PMID: 21277718 DOI: 10.1016/j.anireprosci.2010.12.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2010] [Revised: 11/19/2010] [Accepted: 12/10/2010] [Indexed: 11/19/2022]
Abstract
A comparative approach was used to evaluate the cryosurvival of turkey and crane sperm frozen in a dimethylacetamide (DMA) cryodiluent supplemented with osmoprotectants and ATP. A range (6-26%) of DMA concentrations was used alone or in combination with ATP (30, 60 or 118mM) or one of the following osmoprotectants: (1) sucrose (turkey, 8.0%; crane, 5.0%); (2) 5.0% sucrose and 5.0% trehalose; or (3) betaine hydrochloride (0.1, 0.2 or 0.4mM). The viability of thawed sperm was assessed using the nigrosin-eosin stain and sperm motility was determined using the hanging-drop technique. For semen frozen only with DMA, post-thaw sperm motility was greatest (P<0.05) for the 6.0%, 10.0% and 18% concentrations, regardless of species. Turkey sperm frozen with the sucrose/trehalose combination had greater (P<0.05) post-thaw motility for all DMA treatments compared to DMA alone. The lowest concentration of the osmoprotectant betaine hydrochloride substantially improved turkey sperm viability post-thaw in all treatments compared to DMA alone (P<0.05). The post-thaw motility of crane sperm was improved (P<0.05) with a combination of 18.0%, 24.0% or 26.0% DMA and 30mM ATP. Moreover, in the presence of osmoprotectants, crane sperm motility decreased as the osmoprotectant concentration increased. The lowest concentration of ATP also improved crane sperm viability post-thaw, especially for DMA concentrations 18% or greater. The combination of sucrose and trehalose improved (P<0.05) crane sperm viability only with 6% and 10% DMA. These data affirm that there are avian-specific differences in sperm survival after cryopreservation and suggest that post-thaw survival can be enhanced by including species-based osmoprotectant/ATP combinations in a cryodiluent where DMA is the cryoprotectant.
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Affiliation(s)
- Juan M Blanco
- Aquila Foundation and Center for the Studies on Iberian Raptors, CERI Toledo, Spain
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34
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Naing S, Wahid H, Mohd Azam K, Rosnina Y, Zuki A, Kazhal S, Bukar M, Thein M, Kyaw T, San M. Effect of sugars on characteristics of Boer goat semen after cryopreservation. Anim Reprod Sci 2010; 122:23-8. [DOI: 10.1016/j.anireprosci.2010.06.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2010] [Revised: 06/14/2010] [Accepted: 06/16/2010] [Indexed: 11/25/2022]
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35
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Malo C, Gil L, Gonzalez N, Cano R, de Blas I, Espinosa E. Comparing sugar type supplementation for cryopreservation of boar semen in egg yolk based extender. Cryobiology 2010; 61:17-21. [DOI: 10.1016/j.cryobiol.2010.03.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2010] [Revised: 03/22/2010] [Accepted: 03/23/2010] [Indexed: 10/19/2022]
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36
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Kozdrowski R. The effect of trehalose on post-thaw viability and fertility of European brown hare (Lepus europaeus Pallas, 1778) spermatozoa. Anim Reprod Sci 2009; 116:326-34. [DOI: 10.1016/j.anireprosci.2009.02.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2008] [Revised: 01/14/2009] [Accepted: 02/16/2009] [Indexed: 10/21/2022]
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37
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Lopes K, Costa L, Lima G, Souza A, Silva A. Dimethylformamide is no better than glycerol for cryopreservation of canine semen. Theriogenology 2009; 72:650-4. [DOI: 10.1016/j.theriogenology.2009.04.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2009] [Revised: 04/25/2009] [Accepted: 04/26/2009] [Indexed: 11/16/2022]
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38
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Hu JH, Li QW, Jiang ZL, Yang H, Zhang SS, Zhao HW. The cryoprotective effect of trehalose supplementation on boar spermatozoa quality. Reprod Domest Anim 2009; 44:571-5. [PMID: 19476596 DOI: 10.1111/j.1439-0531.2007.00975.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In order to improve boar sperm quality during frozen-thawed process, the influence of the presence of trehalose on success of cryopreservation of boar sperm were investigated. We evaluated freeze-thawing tolerance of boar spermatozoa in a base cooling extender with the addition of different trehalose concentrations (0, 25, 50, 100 and 200 mm), and try to determine the optimum concentration of trehalose. We chose sperm motility, mitochondrial activity, acrosome integrity and membrane integrity as parameters to evaluate cryopreservation capacity of boar spermatozoa. We obtained the best results for 100 mm trehalose-supplemented extenders, with values of 49.89% for motility, 44.69% for mitochondrial activity, 66.52% for acrosome integrity and 44.61% for membrane integrity, while freeze-thawing tolerance diminished significantly for 200 . The synergic effect of trehalose and glycerol resulted in better cryosurvival of boar spermatozoa than that of a single cryoprotectant. In conclusion, when trehalose-supplementation was added up to 100 mm, trehalose confers a greater cryoprotective capacity to the extender, and the sperm motility, mitochondrial activity, membrane integrity and acrosome integrity parameters were significantly improved during frozen-thawed process.
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Affiliation(s)
- J-H Hu
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, China
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39
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KOZDROWSKI R, DUBIEL A, NOSZCZYK-NOWAK A. Comparison of Acetamide and Dimethylsulfoxide as Cryoprotectants of European Brown Hare (Lepus europaeus) Spermatozoa. J Reprod Dev 2009; 55:45-9. [DOI: 10.1262/jrd.20085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Roland KOZDROWSKI
- Department and Clinic of Obstetrics, Ruminant Diseases and Animal Health Care, Wroclaw University of Environmental and Life Sciences
| | - Andrzej DUBIEL
- Department and Clinic of Obstetrics, Ruminant Diseases and Animal Health Care, Wroclaw University of Environmental and Life Sciences
| | - Agniaszka NOSZCZYK-NOWAK
- Department of Internal and Parasitic Disease with Clinic for Horses, Dogs and Cats, Wroclaw University of Environmental and Life Sciences
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40
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Mocé E, Vicente JS. Rabbit sperm cryopreservation: A review. Anim Reprod Sci 2009; 110:1-24. [DOI: 10.1016/j.anireprosci.2008.08.015] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2008] [Revised: 08/11/2008] [Accepted: 08/11/2008] [Indexed: 12/20/2022]
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41
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Effects of different extenders on DNA integrity of boar spermatozoa following freezing–thawing. Cryobiology 2008; 57:257-62. [DOI: 10.1016/j.cryobiol.2008.09.004] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2008] [Revised: 09/10/2008] [Accepted: 09/12/2008] [Indexed: 11/27/2022]
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42
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Juliani G, Henry M. Efeito do glicerol, etilenoglicol, acetamida e leite desnatado na criopreservação de espermatozóides eqüinos. ARQ BRAS MED VET ZOO 2008. [DOI: 10.1590/s0102-09352008000500010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Avaliou-se a eficácia de diferentes associações de crioprotetores no congelamento de sêmen eqüino. Foram utilizados três ejaculados de oito garanhões para testar o diluidor lactose-EDTA-gema de ovo com as seguintes associações de macromoléculas e crioprotetores: T1 - glicerol 5% (controle); T2 - metilcelulose 0,5%, rafinose 0,15g e acetamida 2,5%; T3 - metilcelulose 0,5%, rafinose 0,15g e acetamida 3,5%; T4 - metilcelulose 0,5%, rafinose 0,15g e acetamida 5%; T5 - glicerol 5% e 2,4g de leite desnatado; T6 - 1% de glicerol, 4% de etilenoglicol e 2,4g de leite desnatado; T7 - 5% de etilenoglicol e 2,4g de leite desnatado. O sêmen foi diluído em meio Kenney (1:1), centrifugado a 400 x g por 12 minutos, ressuspendido nos diluidores para atingir a concentração de 100X10(6)/ml, envasado em palhetas de 0,5ml e congelado 3cm acima do nível de nitrogênio líquido por 10 minutos. O descongelamento foi realizado em banho-maria a 75°C por sete segundos. Após o descongelamento foram avaliados: motilidade total e progressiva, vigor, morfologia espermática e integridade estrutural e funcional da membrana plasmática. O T1 apresentou os maiores valores de motilidade total e progressiva (38,4% e 33,8%, respectivamente). O vigor e os resultados do teste HO não diferiram entre os tratamentos. Os diluidores contendo leite em sua composição (T5, T6 e T7) apresentaram maiores valores de integridade funcional e estrutural da membrana plasmática. Pode-se concluir que as modificações incorporadas aos meios diluidores testados não resultaram em melhor efeito crioprotetor que o meio à base de glicerol 5% no congelamento do sêmen eqüino.
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43
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Bianchi I, Calderam K, Maschio É, Madeira E, da Rosa Ulguim R, Corcini C, Bongalhardo D, Corrêa É, Lucia T, Deschamps J, Corrêa M. Evaluation of amides and centrifugation temperature in boar semen cryopreservation. Theriogenology 2008; 69:632-8. [DOI: 10.1016/j.theriogenology.2007.11.012] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2007] [Revised: 10/11/2007] [Accepted: 11/03/2007] [Indexed: 11/26/2022]
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44
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Okuda Y, Seita Y, Hisamatsu S, Sonoki S, Shino M, Masaoka T, Inomata T, Kamijo SI, Kashiwazaki N. Fertility of spermatozoa cryopreserved with 2% acetamide or glycerol through artificial insemination in the Japanese white rabbit. Exp Anim 2007; 56:29-34. [PMID: 17283888 DOI: 10.1538/expanim.56.29] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
The rabbit is considered to be a valuable laboratory animal. We compared 2% acetamide and glycerol as cryoprotectants in egg-yolk diluent for ejaculated Japanese white rabbit spermatozoa to improve sperm cryopreservation methods. Fertility through artificial insemination, forward progressive motility and plasma membrane integrity of the post-thaw spermatozoa were examined. The rates of forward progressive motility and plasma membrane integrity of the spermatozoa frozen with acetamide (27.1 +/- 8.3% and 24.5 +/- 6.5%) were significantly (P < 0.05) higher than those of the spermatozoa frozen with glycerol (16.3 +/- 10.9% and 14.3 +/- 7.6%). Though there was no significant difference in the kindling rates, the litter size of females inseminated with spermatozoa frozen with acetamide (6.0 +/- 1.1) were significantly (P < 0.05) higher than those of spermatozoa frozen with glycerol (3.0 +/- 0.4). The results indicate that 2% acetamide has a higher cryoprotective effect than 2% glycerol for sperm cryopreservation in the Japanese white rabbit.
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Affiliation(s)
- Yasushi Okuda
- Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University, Fuchinobe, Sagamihara, Kanagawa 229-8501, Japan
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45
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Liu E, Kitajima S, Wiese E, Reifenberg K, Morimoto M, Watanabe T, Fan J. Re-Establishment of Complement C6-Deficient Rabbit Colony by Cryopreserved Sperm Transported from Abroad. Exp Anim 2007; 56:167-71. [PMID: 17460363 DOI: 10.1538/expanim.56.167] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Introducing rabbits as genetic materials into institutes for experimental animals from other colonies is essential for biomedical research. Currently, it is inconvenient to transport live rabbits from abroad, since they suffer from stress, are prone to accidents and must be inspected, as well as endure quarantine during the often long journey. To overcome these limitations of live animals, we transported sperm cryopreserved in liquid nitrogen. Rabbit sperm was collected from complement C6-deficient rabbits in Germany and then transported to Japan using a dry-shipper containing liquid nitrogen. After thawing the frozen semen and artificial insemination (AI), eleven live pups were born. Subsequently, a homozygous C6-deficient rabbit colony was established.
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Affiliation(s)
- Enqi Liu
- Analytical Research Center for Experimental Sciences, Saga University, Saga, Japan
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46
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Castellini C, Pizzi F, Theau-Clément M, Lattaioli P. Effect of different number of frozen spermatozoa inseminated on the reproductive performance of rabbit does. Theriogenology 2006; 66:2182-7. [PMID: 16920187 DOI: 10.1016/j.theriogenology.2006.06.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2006] [Revised: 06/26/2006] [Accepted: 06/26/2006] [Indexed: 11/16/2022]
Abstract
The relationship between the number of frozen spermatozoa inseminated and fertility rate and litter size at birth in rabbit does was investigated. Six hundred artificial inseminations (AI) were performed on multiparous lactating does with three spermatozoa concentrations: 10, 25, 50x10(6)spermatozoa/AI. All the does were synchronized with 20 UI of eCG 2 days before AI. The estimated sexual receptivity was 87%. The freezing-thawing procedure strongly reduced kinetic and functional traits (acrosome integrity, capacitation) of the spermatozoa. The number of spermatozoa inseminated did not affect the reproductive performance: the mean fertility rate and litter size values were 51.5% and 7.6%, respectively. Sexually receptive does (n=522) inseminated with frozen spermatozoa showed a 58.0% fertility rate whereas, non-receptive does (n=78), had a very poor fertility rate (7.8%).
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Affiliation(s)
- Cesare Castellini
- Dip. Biologia Vegetale e Biotecnologie Agroambientali e Zootecniche, Borgo 20 Giugno, 74, 06121 Perugia, Italy.
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47
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Kozdrowski R, Dubiel A, Siemieniuch M. Preliminary studies on cryopreservation of hare (Lepus europaeus Pallas, 1778) semen. Anim Reprod Sci 2006; 93:379-82. [PMID: 16233963 DOI: 10.1016/j.anireprosci.2005.09.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2005] [Revised: 08/17/2005] [Accepted: 09/16/2005] [Indexed: 11/25/2022]
Abstract
In the last decades, a significant decrease in hare population has been observed; for this reason, the aim of the study was to check if hare semen could be preserved in liquid nitrogen, with an extender used for rabbit semen. The results should provide a basis for creating a gene bank of the species. Ten ejaculates (volume above 0.4 ml, percentage of motile spermatozoa above 75%, spermatozoa concentration above 250 x 10(6) ml), obtained with electroejaculation method from four males, were frozen in an extender of the following composition: Tris (3.028 g), citric acid (1.675 g), glucose (1.25 g), dimethylsulphoxide (DMSO) (4.5%, v/v), egg yolk (17%, v/v) and distilled water to 100.00 ml. The motility of post-thawing spermatozoa was 40.50+/-7.97%, percentage of spermatozoa with normal acrosomes 76.10+/-3.69% and percentage of live spermatozoa 35.05+/-4.21%. Based on the properties of freezing-thawing semen, the hare semen can be successfully preserved in extender used for rabbit semen.
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Affiliation(s)
- Roland Kozdrowski
- Department and Clinic of Reproduction, Ruminants Diseases and Animal Health Protection, Agricultural University of Wrocław, Plac Grunwaldzki 49, 50-366 Wrocław, Poland.
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48
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Kashiwazaki N, Okuda Y, Seita Y, Hisamatsu S, Sonoki S, Shino M, Masaoka T, Inomata T. Comparison of Glycerol, Lactamide, Acetamide and Dimethylsulfoxide as Cryoprotectants of Japanese White Rabbit Spermatozoa. J Reprod Dev 2006; 52:511-6. [PMID: 16679717 DOI: 10.1262/jrd.18008] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The rabbit is considered to be a valuable laboratory animal. We compared glycerol, lactamide, acetamide, and dimethylsulfoxide (DMSO) as cryoprotectants in egg-yolk diluent of ejaculated Japanese white rabbit spermatozoa for improvement of sperm cryopreservation methods. Rabbit semen was frozen with 1.0 M glycerol, lactamide, acetamide, or DMSO in plastic straws. Forward progressive motility and plasma membrane integrity of the post-thaw spermatozoa were examined. The rate of forward progressive motile spermatozoa in lactamide (37.8 +/- 3.0%) was significantly (P<0.05) higher than in glycerol (17.0 +/- 3.3%). In addition, the rates of sperm plasma membrane integrity in lactamide and acetamide (35.9 +/- 3.3% and 30.2 +/- 3.0%, respectively) were significantly (P<0.05) higher than in glycerol (17.0 +/- 2.6%). The results indicate that 1.0 M lactamide and acetamide have higher cryoprotective effects than 1.0 M glycerol for cryopreservation of Japanese white rabbit spermatozoa.
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Affiliation(s)
- Naomi Kashiwazaki
- Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University, Japan.
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49
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Mocé E, Lavara R, Vicente JS. Influence of the Donor Male on the Fertility of Frozen-Thawed Rabbit Sperm after Artificial Insemination of Females of Different Genotypes. Reprod Domest Anim 2005; 40:516-21. [PMID: 16324076 DOI: 10.1111/j.1439-0531.2005.00619.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this work, the influence of the donor male on the fertility of cryopreserved rabbit sperm after artificial insemination into females from different genotypes was evaluated. Females belonged to three lines selected for maternal characteristics (A, V and H) and all the possible crosses between them. Sperm from five males from the line selected for one of the maternal characteristics (line V) was frozen individually in a Tris-citric acid-glucose diluent with 1.75 m of DMSO and 0.05 m of sucrose (final concentrations). After artificial insemination of the cryopreserved sperm, fertility rates and prolificacy were similar for all groups of females (56% of fertility rate and 7.2 total born). Significant differences between males were observed for both fertility (p < 0.05) and kindling (p < 0.01) rate. These differences could be because of differences in the freezing resistance of sperm from the different males.
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Affiliation(s)
- E Mocé
- Departamento de Ciencia Animal, Laboratorio de Biotecnologia de la Reproduccion, Universidad Politecnica de Valencia, Camino de Vera s/n, 46071 Valencia, Spain
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50
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Blash S, Chen L, Harvey M, Gavin WG. Reestablishment of a transgenic rabbit line by artificial insemination using cryopreserved semen. Lab Anim (NY) 2005; 34:61-3. [PMID: 15806092 DOI: 10.1038/laban0405-61] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2004] [Accepted: 01/27/2005] [Indexed: 11/09/2022]
Abstract
The production of recombinant proteins in the milk of transgenic animals is an alternative to traditional cell culture methodology. Transgenic rabbits can serve in the small-scale production of recombinant proteins, underscoring the need to maintain valuable transgenic lines. In this study, the authors used cryopreserved transgenic rabbit semen to artificially inseminate does, demonstrating the utility of this method for the reestablishment of a transgenic rabbit herd.
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