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Arregui L, Martinez-Pastor F, Arroyo F, Gosálvez J. Determining the effects of sperm activation in anuran cloaca on motility and DNA integrity in Epidalea calamita (Bufonidae). Reprod Fertil Dev 2021; 34:438-446. [PMID: 34399881 DOI: 10.1071/rd21063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 06/24/2021] [Indexed: 11/23/2022] Open
Abstract
The effect of time inside the animal's cloaca on sperm quality after hormone-induced spermiation is unknown. However, this knowledge is critical for the development of assisted reproductive biotechnologies in amphibians. Out-of-season spermatozoa were collected from Epidalea calamita for 4h after injection of 10IU g-1 human chorionic gonadotrophin either hourly (Group I (n=10); four samples per male) or every 2h (Group II (n=9); two samples per male). Sperm samples were assessed for motility and DNA integrity using the sperm chromatin dispersion (SCD) test and the sperm chromatin structure assay (SCSA). The collection strategy affected total motility (mean (±s.e.m.) 84.4±9.9% vs 73.6±16.7% in Group I and II respectively; P=0.014) and the sperm motility index (67.6±17.7% vs 57.6±16.3% in Group I and II respectively; P=0.034). There was a significant effect of the male in Group II, but not in Group I. In Group I, the quality of the first samples collected was lower than that of samples collected thereafter (P ≤ 0.032). No significant correlations were found between the results of the SCD test and SCSA, showing that these techniques provide different information in this species. In conclusion, collecting spermatozoa every hour resulted in better sperm quality and may be more efficient. However, the between-male differences were considerable and collection of spermatozoa at just 1h after hormone treatment produced lower-quality spermatozoa.
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Affiliation(s)
- Lucía Arregui
- Department of Biology, Universidad Autónoma de Madrid, C/Darwin 2, Madrid 28049, Spain; and Corresponding author
| | - Felipe Martinez-Pastor
- Institute of Animal Health and Cattle Development (INDEGSAL), Universidad de León, Campus de Vegazana s/n, León 24071, Spain; and Department of Molecular Biology (Cell Biology), Universidad de León, Campus de Vegazana s/n, León 24071, Spain
| | - Francisca Arroyo
- Department of Biology, Universidad Autónoma de Madrid, C/Darwin 2, Madrid 28049, Spain
| | - Jaime Gosálvez
- Department of Biology, Universidad Autónoma de Madrid, C/Darwin 2, Madrid 28049, Spain
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2
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Mehdipour M, Daghigh-Kia H, Najafi A, Martínez-Pastor F. Type III antifreeze protein (AFP) improves the post-thaw quality and in vivo fertility of rooster spermatozoa. Poult Sci 2021; 100:101291. [PMID: 34217904 PMCID: PMC8260870 DOI: 10.1016/j.psj.2021.101291] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/18/2021] [Accepted: 05/21/2021] [Indexed: 01/08/2023] Open
Abstract
Antifreeze proteins (AFP) have the potential for improving sperm cryopreservation. We have applied Type III antifreeze protein (AFP3) on the cryopreservation of spermatozoa from broiler breeder roosters, aiming to enhance post-thawing quality and fertility. Semen was extended at 37°C in Lake's extender containing AFP3 at 0.01, 0.1, 1, 5, and 10 µg/mL (no AFP3 as control). Post-thawing sperm assessment included sperm motility (CASA), morphology, membrane functionality by hypoosmotic swelling test (HOST), lipoperoxidation as malondialdehyde (MDA) production, and sperm viability, early apoptosis (phosphatidylserine exposure as annexin V-positive staining in viable spermatozoa), and mitochondrial activity by flow cytometry. Fertility was assessed after artificial insemination (30 hens/treatment). Total and progressive motility, membrane functionality, and mitochondrial activity increased in 0.1 and 1 µg/mL AFP, compared to control and other concentrations, whereas apoptosis was significantly lower. VAP, VSL, and viability were significantly higher for 1 µg/mL AFP3 than with the other treatments except for 0.1 µg/mL (which was not always significantly different from the control or other concentrations), and with abnormal forms being significantly lower. The proportion of fertilized and hatched eggs was also higher for 1 µg/mL AFP3, with 0.1 µg/mL also showing significantly higher results than the control, and no differences with other concentrations). In conclusion, 1 µg/mL AFP3 could improve the post-thawing results of rooster spermatozoa frozen in Lake's extender. According to our results, concentrations between 1 and 0.1 µg/mL could be similarly efficient.
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Affiliation(s)
- Mahdieh Mehdipour
- Department of Animal Science, College of Agriculture, University of Tabriz, Tabriz, Iran
| | - Hossein Daghigh-Kia
- Department of Animal Science, College of Agriculture, University of Tabriz, Tabriz, Iran.
| | - Abouzar Najafi
- Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Felipe Martínez-Pastor
- Institute of Animal Health and Cattle Development (INDEGSAL) and Department of Molecular Biology (Cell Biology), University of León, León 24071, Spain
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3
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Namula Z, Isumi Y, Sato Y, Le Q, Lin Q, Takebayashi K, Hirata M, Tanihara F, Thongkittidilok C, Otoi T. Improvement of the in vitro fertilization and embryo development using frozen-thawed spermatozoa of microminipigs. Arch Anim Breed 2021; 64:265-271. [PMID: 34189254 PMCID: PMC8223014 DOI: 10.5194/aab-64-265-2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 05/25/2021] [Indexed: 11/17/2022] Open
Abstract
This study aimed to compare the quality and the penetration ability of frozen-thawed spermatozoa from three microminipigs and Large White boars and to evaluate the effects of caffeine and heparin as well as the sperm-oocyte co-incubation length on the fertilization and embryonic development in vitro. Results showed that the fertilization rates of spermatozoa from three microminipig boars were significantly lower than those of a Large White boar. In the post-thaw spermatozoa from one of three microminipig boars, the sperm quality, penetration ability, and the oocyte development after in vitro fertilization were significantly lower than those of the spermatozoa from other boars. The caffeine supplementation in the fertilization media increased the rates of fertilization and blastocyst formation for the microminipig spermatozoa with low sperm quality. In addition to caffeine supplementation, the rates of fertilization and blastocyst formation after using microminipig spermatozoa were significantly higher with a 10 h sperm-oocyte co-incubation than with 3 h of co-incubation length. Our results indicate that the differences between the males and the breed influence the quality and fertility of frozen-thawed boar spermatozoa. In conclusion, the presence of caffeine in the in vitro fertilization (IVF) medium and adequate length of sperm-oocyte co-incubation may have beneficial effects for improving IVF results when using microminipig spermatozoa with low quality.
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Affiliation(s)
- Zhao Namula
- Faculty of Veterinary Science, Guangdong Ocean University, Zhanjiang,
China
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | - Yasuhiro Isumi
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | - Yoko Sato
- School of Biological Science, Tokai University, Sapporo, Japan
| | - Quynh Anh Le
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | - Qingyi Lin
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | - Koki Takebayashi
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | - Maki Hirata
- Faculty of Veterinary Science, Guangdong Ocean University, Zhanjiang,
China
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | - Fuminori Tanihara
- Faculty of Veterinary Science, Guangdong Ocean University, Zhanjiang,
China
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
| | | | - Takeshige Otoi
- Faculty of Veterinary Science, Guangdong Ocean University, Zhanjiang,
China
- Faculty of Bioscience and Bioindustry, Tokushima University,
Tokushima, Japan
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4
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Ariyan F, Farshad A, Rostamzadeh J. Protective effects of Tribulus terrestris and Cinnamomum zeylanicum extracts and trehalose added to diluents on goat epididymal sperm freezability. Cryobiology 2020; 98:172-180. [PMID: 33245877 DOI: 10.1016/j.cryobiol.2020.11.005] [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: 08/16/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 10/22/2022]
Abstract
This study investigates the effect of adding Tribulus terrestris ethanol extract (TEE) and Cinnamomum zeylanicum ethanol extract (CEE) and trehalose on freezability of goat epididymal spermatozoa. In Experiment 1, the treatments consist of basic extender containing 25, 50 or 100 μg/ml of TEE or CEE. The control contained no additives. Experiment 2 was carried out to compare the effect of best concentrations resulted in the first experiment with 150 mM trehalose added to basic extender. The results of experiment 1 showed that supplementation of 50 μg/ml TEE and 50 μg/ml CEE increased significantly the percentages of motility, progressive motility and viability of cryopreserved spermatozoa, while the level of malondialdehyde concentration was decreased. Moreover, the 50 μg/ml TEE treatment indicate significantly) P < 0.05) the lowest DNA fragmentation among the other treatments. The data obtained from experiment 2 show that all treatments increased significantly) P < 0.05) the percentages of total motility, viability and membrane integrity, and concurrently decreased the rate of MDA compared to control. In addition, the rates of viability and progressive motility were significantly (P < 0.05) higher in diluents contained herb extracts and trehalose. Regarding DNA fragmentation, the results demonstrate that using the extracts and trehalose in diluents decreased the DNA damages and thereby improved the rate of intact sperm heads. In conclusion, the results of this study indicate that 50 μg/ml of Tribulus terrestris and Cinnamomum zeylanicum ethanolic extracts alone and plus trehalose improved the spermatozoa quality and could be used for cryopreservation.
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Affiliation(s)
- Farshad Ariyan
- Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Kurdistan, Iran
| | - Abbas Farshad
- Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Kurdistan, Iran.
| | - Jalal Rostamzadeh
- Department of Animal Science, Faculty of Agriculture, University of Kurdistan, Sanandaj, Kurdistan, Iran
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5
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Abualreesh M, Myers JN, Gurbatow J, Johnson A, Xing D, Wang J, Li S, Coogan M, Vo K, El Husseini N, Dunham RA, Butts IAE. Development of a spermatogonia cryopreservation protocol for blue catfish, Ictalurus furcatus. Cryobiology 2020; 97:46-52. [PMID: 33058900 DOI: 10.1016/j.cryobiol.2020.10.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/09/2020] [Accepted: 10/12/2020] [Indexed: 01/23/2023]
Abstract
Sustainability of channel catfish, Ictalurus punctatus ♀ × blue catfish, Ictalurus furcatus ♂ hybrid aquaculture relies on new innovative technologies to maximize fry output. Transplanting spermatogonial stem cells (SSCs) from blue catfish into channel catfish hosts has the potential to greatly increase gamete availability and improve hybrid catfish fry outputs. Cryopreservation would make these cells readily accessible for xenogenesis, but a freezing protocol for blue catfish testicular tissues has not yet been fully developed. Therefore, the objectives of this experiment were to identify the best permeating [dimethyl sulfoxide (DMSO), ethylene glycol (EG), glycerol, methanol] and non-permeating (lactose or trehalose with egg yolk or BSA) cryoprotectants, their optimal concentrations, and the best freezing rates (-0.5, -1.0, -5.0, -10 °C/min until -80 °C) that yield the highest number of viable type A spermatogonia cells. Results showed that all of these factors had significant impacts on post-thaw cell production and viability. DMSO was the most efficient permeating cryoprotectant at a concentration of 1.0 M. The optimal concentration of each cryoprotectant depended on the specific cryoprotectant due to interactions between the two factors. Of the non-permeating cryoprotectants, 0.2 M lactose with egg yolk consistently improved type A spermatogonia production and viability beyond that of the 1.0 M DMSO control. The overall best freezing rate was consistent at -1 °C/min, but similar results were obtained using -0.5 °C/min. Overall, we recommend cryopreserving blue catfish testicular tissues in 1.0 M DMSO with 0.2 M lactose and egg yolk at a rate of either -0.5 or -1 °C/min to achieve the best cryopreservation outcomes. Continued development of cryopreservation protocols for blue catfish and other species will make spermatogonia available for xenogenic applications and genetic improvement programs.
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Affiliation(s)
- Muyassar Abualreesh
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Jaelen N Myers
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Jeremy Gurbatow
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Andrew Johnson
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - De Xing
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Jinhai Wang
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Shangjia Li
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Michael Coogan
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Khoi Vo
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA; Department of Aquaculture and Technology, Can Tho Technical Economic College, Can Tho, Viet Nam
| | - Nour El Husseini
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA; Department of Animal and Avian Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Rex A Dunham
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Ian A E Butts
- School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL, 36849, USA.
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6
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de Mercado E, Tomás-Almenar C, Gómez-Izquierdo E. Improvement of the motility of boar sperm after cryopreservation. Anim Reprod Sci 2020; 222:106610. [PMID: 33002661 DOI: 10.1016/j.anireprosci.2020.106610] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/21/2020] [Accepted: 09/21/2020] [Indexed: 11/25/2022]
Abstract
After the sperm cryopreservation process, there frequently is a marked decrease in sperm motility, however, this loss of motility could be avoided or reduced by modifying the thawing extender. The aim of conducting this study was to evaluate treatments resulting in differences in pH of the thawing extender on post-thawing sperm quality, especially motility. The associated effects were evaluated of the thawing extender pH when there were pH values of 7, 8 and 9 on values for sperm viability, acrosome integrity, motility and kinematic variables. To evaluate pH effects of the thawing extender on sperm motility, the procedures for evaluating the sperm variables were conducted with or without inclusion of caffeine in the extender. In addition, effects of thawing extender pH on the sperm subpopulations were analyzed. The results indicated that by increasing the pH of thawing extender to 9, sperm viability and acrosome status were not affected, and motility was markedly greater with there being similar values when there was a pH of greater alkalinity and pH 7 when caffeine was included for conducting the evaluations. Furthermore, for values of kinematic variables and sperm subpopulations, when there was a pH of 8 of thawing extender, sperm motility was maintained to a greater extent as storage duration advanced and the proportions of different sperm populations were also maintained during storage. In conclusion, when there was use of the thawing extender at pH 8, there was enhanced post-thawing sperm motility and preservation of motility as storage time advanced.
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Affiliation(s)
- Eduardo de Mercado
- Subdirection of Research and Technology, Agro-Technological Institute of Castilla y León, Consejería de Agricultura y Ganadería, Ctra Riaza-Toro s/n, 40353 Hontalbilla, Segovia, Spain.
| | - Cristina Tomás-Almenar
- Subdirection of Research and Technology, Agro-Technological Institute of Castilla y León, Consejería de Agricultura y Ganadería, Ctra Riaza-Toro s/n, 40353 Hontalbilla, Segovia, Spain
| | - Emilio Gómez-Izquierdo
- Subdirection of Research and Technology, Agro-Technological Institute of Castilla y León, Consejería de Agricultura y Ganadería, Ctra Riaza-Toro s/n, 40353 Hontalbilla, Segovia, Spain
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7
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El-Sisy GA, Shahba MI, El-Sheshtawy RI. Freezability of buffalo semen with TRIS extender enriched with disaccharides (trehalose or sucrose) and different glycerol concentrations. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2016. [DOI: 10.1016/j.apjr.2016.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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8
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Yang CH, Wu TW, Cheng FP, Wang JH, Wu JT. Effects of different cryoprotectants and freezing methods on post-thaw boar semen quality. Reprod Biol 2016; 16:41-6. [PMID: 26952752 DOI: 10.1016/j.repbio.2015.12.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 12/21/2015] [Accepted: 12/30/2015] [Indexed: 11/12/2022]
Abstract
The current study aimed to investigate the effects of different concentrations of glycerol (0%, 1%, 2%, 3%, and 5%) and dimethylacetamide (DMA: 0%, 1%, 3%, and 5%) on post-sperm quality characteristics following semen freezing in dry ice (D) or liquid nitrogen (N). Semen was collected from Duroc boars and was allocated to 32 treatment groups for cryopreservation. Analysis of post-thaw semen quality and fertility after artificial insemination (AI) was used to examine the combinatorial effects of different treatments. The best scores for post-thaw sperm motility, sperm viability, and sperm acrosomal integrity were observed in semen frozen in: (a) dry ice in the presence of 5% glycerol and no DMA (16D-treatment); (b) dry ice in the presence of 3% glycerol and no DMA (9D-treatment); and (c) liquid nitrogen in the presence of 3% glycerol and 1% DMA (10N-treatment), with no significant difference observed among these three treatments. The farrowing rates after AI with post-thawed semen after 9D- and 10N-treatments were 33% and 50%, respectively. To summarize, the results of the present study indicated that the freezing extender containing 3% glycerol in combination with the straw-freezing method using dry ice produced the best post-thaw quality parameters of boar semen. Combinations of glycerol and DMA did not enhance the cryosurvival of boar spermatozoa.
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Affiliation(s)
- Chung-Hsun Yang
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan
| | - Ting-Wen Wu
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan
| | - Feng-Pang Cheng
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, 250 Kuo Kuang Road, Taichung, Taiwan
| | - Jiann-Hsiung Wang
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan
| | - Jui-Te Wu
- Department of Veterinary Medicine, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan; Animal Teaching Hospital, College of Agriculture, National Chiayi University, 580 Xinmin Road, Chiayi City, Taiwan.
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9
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Silva C, Cunha E, Blume G, Malaquias J, Báo S, Martins C. Cryopreservation of boar sperm comparing different cryoprotectants associated in media based on powdered coconut water, lactose and trehalose. Cryobiology 2015; 70:90-4. [DOI: 10.1016/j.cryobiol.2015.01.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 12/17/2014] [Accepted: 01/06/2015] [Indexed: 11/16/2022]
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10
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López-Urueña E, Alvarez M, Gomes-Alves S, Manrique P, Anel-López L, Chamorro CA, Borragan S, de Paz P, Anel L. Alternative procedures for the cryopreservation of brown bear ejaculates depending on the flexibility of the "in cooling" period (5°C). Cryobiology 2014; 69:434-41. [PMID: 25315224 DOI: 10.1016/j.cryobiol.2014.10.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 09/08/2014] [Accepted: 10/02/2014] [Indexed: 10/24/2022]
Abstract
The adaptability of cryopreservation protocols for brown bear spermatozoa collected under field conditions and frozen in a nearby laboratory (transported for a few hours) or shipped to a reference laboratory for sex sorting (transported for a few days) was evaluated. Forty-nine electroejaculates from 15 mature brown bears were extended to 100×10(6) sperm/mL in a TES-Tris-Fructose based extender and cryopreserved (-20°C/min to -100°C and stored at -196°C). After thawing, the quality of the seminal samples was assessed for total (TM), progressive (PM) motility and kinetic parameters - by CASA -, and viability (VIAB), viable and non-apoptotic status (YOPRO-), high membrane mitochondrial potential (MIT) and intact acrosomes (iACR) - by flow cytometry -. In Experiment 1, we assessed different storage times (0, 0.5, 1 - control -, 4-5, 7-8 and 11-12 h) at 5°C from final dilution to freezing. After thawing, non-equilibrated samples (0 h) showed lower values of iACR, TM and PM. No significant differences were found for the different periods of equilibration tested. In Experiment 2, we evaluated three long-term storage times (24, 48 and 72 h) at 5°C before freezing using storage for 1h as control. The post-thawing quality of brown bear spermatozoa declined markedly after 48-72 h of pre-freezing. In conclusion, our findings suggest the possibility of extending the pre-freezing cooling period up to 24h post-collection without freezing. This knowledge should enable the adaptation of the freezing protocols for when a special handling conditions are required such as the shipment of seminal samples to technological centers for the pre-freezing application of enhancer spermatic biotechnologies.
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Affiliation(s)
- E López-Urueña
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Animal Reproduction and Obstetrics, University of León, 24071 León, Spain
| | - M Alvarez
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Animal Reproduction and Obstetrics, University of León, 24071 León, Spain
| | - S Gomes-Alves
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Animal Reproduction and Obstetrics, University of León, 24071 León, Spain
| | - P Manrique
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Animal Reproduction and Obstetrics, University of León, 24071 León, Spain
| | - L Anel-López
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; SaBio IREC (CSIC-UCLM-JCCM), Campus Universitario s. n., 02071 Albacete, Spain
| | - C A Chamorro
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Veterinary Anatomy, University of León, 24071 León, Spain
| | | | - P de Paz
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Molecular Biology (Cell Biology), University of León, 24071 León, Spain.
| | - L Anel
- ITRA-ULE, INDEGSAL, University of León, 24071 León, Spain; Animal Reproduction and Obstetrics, University of León, 24071 León, Spain
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11
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Effects of glycerol on apoptotic signaling pathways during boar spermatozoa cryopreservation. Cryobiology 2014; 68:395-404. [DOI: 10.1016/j.cryobiol.2014.03.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2014] [Revised: 02/24/2014] [Accepted: 03/17/2014] [Indexed: 11/18/2022]
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12
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López-Urueña E, Alvarez M, Gomes-Alves S, Martínez-Rodríguez C, Borragan S, Anel-López L, de Paz P, Anel L. Tolerance of brown bear spermatozoa to conditions of pre-freezing cooling rate and equilibration time. Theriogenology 2014; 81:1229-38. [DOI: 10.1016/j.theriogenology.2014.02.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 02/06/2014] [Accepted: 02/10/2014] [Indexed: 10/25/2022]
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13
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Blanch E, Tomás C, Hernández M, Roca J, Martínez EA, Vázquez JM, Mocé E. Egg yolk and glycerol requirements for freezing boar spermatozoa treated with methyl β-cyclodextrin or cholesterol-loaded cyclodextrin. J Reprod Dev 2014; 60:143-9. [PMID: 24492655 PMCID: PMC3999393 DOI: 10.1262/jrd.2013-073] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Egg yolk (EY) and glycerol are common constituents of extenders used for sperm
cryopreservation. It has been demonstrated that using cholesterol-loaded cyclodextrins
(CLC) improves sperm cryosurvival in several species. However, standard freezing extenders
might not be the most appropriate for CLC-treated sperm. This study evaluated the EY and
glycerol requirements for freezing CLC-treated boar spermatozoa. Semen samples from 34
ejaculates coming from 4 boars were used. Each ejaculate was split into three aliquots:
one was used untreated (control), and the other two were treated with 1 mg of CLC or
methyl-β-cyclodextrin/120 × 106 sperm for 15 min at 22 C prior to
cryopreservation. Our results indicated that reducing the concentration of EY was
detrimental for sperm viability after thawing (31.57 ± 2 vs. 19.89% ± 2
for 20 and 10% EY, respectively; P <0.05), even in semen treated with CLC. On the other
hand, it was observed that the traditional concentration of glycerol (3%) was not the
appropriate for freezing CLC-treated sperm (61.10 ± 3 vs. 47.87% ± 3 viable sperm for
control and CLC-treated sperm, respectively; P <0.05). Thus, CLC-treated sperm showed a
higher tolerance to high glycerol concentrations (5%) in terms of sperm viability (59.19%
± 3) than non-treated sperm (45.58% ± 3; P<0.05). Therefore, it could be necessary to
modify the freezing extenders for CLC-treated sperm. Nevertheless, additional studies will
be needed to evaluate alternative cryoprotectants and to determine the effect of high
glycerol concentrations on sperm functionality.
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Affiliation(s)
- Eva Blanch
- Centro de Tecnología Animal - Instituto Valenciano de Investigaciones Agrarias (CITA-IVIA), 12400-Segorbe (Castellón), Spain
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Cao H, Sun X, Li Q, Zhou S, Nan X, Hu J, Wang L, He Y. Testing Rhodiola sachalinensis saccharide as cryoprotectant for bovine spermatozoa. J Dairy Sci 2013; 96:6965-6972. [DOI: 10.3168/jds.2013-6623] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Accepted: 06/29/2013] [Indexed: 11/19/2022]
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Villaverde AISB, Fioratti EG, Penitenti M, Ikoma MRV, Tsunemi MH, Papa FO, Lopes MD. Cryoprotective effect of different glycerol concentrations on domestic cat spermatozoa. Theriogenology 2013; 80:730-7. [PMID: 23932173 DOI: 10.1016/j.theriogenology.2013.06.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 05/30/2013] [Accepted: 06/06/2013] [Indexed: 11/26/2022]
Abstract
Cryopreservation of spermatozoa is a pivotal tool in assisted reproduction, and studies aiming to establish optimal freezing/thawing protocols are essential to enhance sperm survival. The objectives of the present study were to (1) compare the cryoprotective efficiency of three different glycerol concentrations (3%, 5%, and 7%) on the basis of post-thaw sperm quality and (2) investigate whether the incidence of morphologically abnormal sperm in fresh samples is related to cryodamage sensitivity. Semen was collected from six tomcats using an artificial vagina (total 18 ejaculates). Each ejaculate was diluted using Tris-egg yolk-based extender (TEY), evaluated, equally divided into three aliquots, and rediluted using TEY with and without glycerol to achieve final concentrations of 3%, 5%, and 7%. Samples were loaded into 0.25 mL straws, equilibrated for 60 minutes at 5 °C, frozen, and then thawed at 46 °C for 12 seconds. Fresh and frozen-thawed samples were evaluated for sperm motion parameters (computer-assisted sperm analysis), plasma membrane integrity (PMI; propidium iodide and carboxyfluorescein diacetate), and DNA integrity (acridine orange). Plasma and acrosomal membrane integrity were assessed by flow cytometry (propidium iodide and fluorescein isothiocyanate-conjugated pea (Pisum sativum) agglutinin) immediately after thawing. Sperm motion parameters were also evaluated at 30 and 60 minutes of postincubation. For all treatment groups, cryopreservation significantly impaired the PMI and sperm motion parameters, except for straightness and amplitude of lateral head displacement. DNA integrity showed a slight reduction (P < 0.05) when 3% glycerol was used. The percentage of total motility, progressive motility, and rapid spermatozoa were significantly lower immediately after thawing and up to 60 minutes of incubation for the 3% glycerol group when compared with 5% and 7%. No difference (P > 0.05) was found for PMI, acrosome integrity, and DNA integrity among post-thaw groups. However, higher (P < 0.05) incidence of viable cells with reacted acrosome and dead cells with intact acrosome were observed with 7% and 3% glycerol, respectively. Percentage of morphologically abnormal spermatozoa in fresh sample was positively correlated with PMI only in the 3% glycerol group and negatively correlated with sperm motility in the 5% and 7% groups. In conclusion, the final concentration of 5% glycerol offered better cryoprotective effect for ejaculated cat sperm, and the relationship found between prefreezing sperm morphology and post-thaw sperm quality showed to be dependent on final glycerol concentration.
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Affiliation(s)
- Ana Izabel S Balbin Villaverde
- Department of Animal Reproduction and Veterinary Radiology, FMVZ, São Paulo State University, Botucatu, São Paulo, Brazil.
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Shimokawa K, Oshiro R, Yamanaka K, Ashizawa K, Ohta S, Tatemoto H. Improvement of the post-thaw qualities of Okinawan native Agu pig sperm frozen in an extender supplemented with antiapoptotic PTD-FNK protein. Theriogenology 2012; 78:1446-55. [DOI: 10.1016/j.theriogenology.2012.06.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Revised: 05/31/2012] [Accepted: 06/05/2012] [Indexed: 10/28/2022]
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17
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Okazaki T, Shimada M. New strategies of boar sperm cryopreservation: development of novel freezing and thawing methods with a focus on the roles of seminal plasma. Anim Sci J 2012; 83:623-9. [PMID: 22943528 DOI: 10.1111/j.1740-0929.2012.01034.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Cryopreservation of boar spermatozoa offers an effective means of long-term storage of important genetic material. Many researchers have investigated how to improve reproductive performance by artificial insemination (AI) using cryopreserved boar spermatozoa. Recently, we and other groups reported that high conception rates (70-80%) can be achieved by AI with frozen-thawed boar spermatozoa using a modified temperature program during freezing, or a novel cryopreservation extender to improve sperm quality (including sperm survivability, motility, membrane status and fertilization ability) after thawing, or a novel sperm infusion method, deep intra uterine insemination. However, these techniques have not yet been used for commercial pig production. The variation in sperm freezability among boars or among ejaculations in an identical boar is one of the main reasons for this problem. In our previous study, it was revealed that some components of seminal plasma have a negative effect on the freezability of boar sperm. One of these factors is bacteria-released endotoxin (lipopolysaccharide: LPS). LPS binds to Toll-like receptor-4 (TLR-4) expressed on the sperm surface, resulting in induction of apoptosis. On the other hand, seminal plasma suppresses cryo-capacitation induced by thawing stress. On the basis of these findings, we designed a novel protocol of AI using frozen-thawed boar sperm.
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Affiliation(s)
- Tetsuji Okazaki
- Smaller Livestock and Environment Section, Livestock Research Institute, Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Oita
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Gómez-Fernández J, Gómez-Izquierdo E, Tomás C, Mocé E, de Mercado E. Effect of different monosaccharides and disaccharides on boar sperm quality after cryopreservation. Anim Reprod Sci 2012; 133:109-16. [PMID: 22771077 DOI: 10.1016/j.anireprosci.2012.06.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 03/14/2012] [Accepted: 06/15/2012] [Indexed: 11/29/2022]
Abstract
The aim of the present study was to evaluate the cryoprotectant effect of different non-permeating sugars for boar sperm. Pooled semen from three boars was used for the experiments. In the first experiment, the sperm quality of boar sperm cryopreserved with an egg-yolk based extender supplemented with different monosaccharides (glucose, galactose or fructose) was compared to a control cryopreserved in lactose-egg yolk extender. In the second experiment, the effect of five disaccharides (lactose, sucrose, lactulose, trehalose or melibiose) on boar sperm cryosurvival was studied. Several sperm quality parameters were assessed by flow cytometry in samples incubated for 30 and 150 min at 37°C after thawing: percentages of sperm with intact plasma membrane (SIPM), sperm presenting high plasma membrane fluidity (HPMF), sperm with intracellular reactive oxygen substances production (IROSP) and apoptotic sperm (AS). In addition, the percentages of total motile (TMS) and progressively motile sperm (PMS) were assessed at the same incubation times with a computer-assisted sperm analysis system. Freezing extenders supplemented with each of the monosaccharide presented smaller cryoprotective effect than the control extender supplemented with lactose (P<0.05). However, from the three monosaccharides tested, glucose provided the best sperm quality after freezing-thawing. With respect to the disaccharides studied, samples frozen with the extender supplemented with lactulose exhibited in general the lowest sperm quality, except for the percentage of capacitated sperm, which was highest (P<0.05) in the samples cryopreserved with the trehalose extender. Our results suggest that disaccharides have higher cryoprotective effect than monosaccharides, although the monosaccharide composition of the disaccharides is also important, since the best results were obtained with those disaccharides presenting glucose in their composition.
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Affiliation(s)
- José Gómez-Fernández
- Centro de Pruebas de Porcino, Área de Investigación Ganadera, Subdirección de Investigación y Tecnología, Instituto Tecnológico Agrario, Consejería de Agricultura y Ganadería, Junta de Castilla y León, Hontalbilla, Segovia, Spain
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Bottini-Luzardo M, Centurión-Castro F, Alfaro-Gamboa M, Aké-López R, Herrera-Camacho J. Effect of addition of coconut water (Cocos nucifera) to the freezing media on post-thaw viability of boar sperm. Trop Anim Health Prod 2012; 45:101-6. [DOI: 10.1007/s11250-012-0179-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/09/2012] [Indexed: 11/30/2022]
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Gómez-Fernández J, Gómez-Izquierdo E, Tomás C, Mocé E, de Mercado E. Is Sperm Freezability Related to the Post-Thaw Lipid Peroxidation and the Formation of Reactive Oxygen Species in Boars? Reprod Domest Anim 2012; 48:177-82. [DOI: 10.1111/j.1439-0531.2012.02126.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Wu TW, Cheng FP, Chen IH, Yang CH, Tsai MY, Chang MH, Wang JH, Wu JT. The Combinatorial Effect of Different Equex STM Paste Concentrations, Cryoprotectants and the Straw-Freezing Methods on the Post-Thaw Boar Semen Quality. Reprod Domest Anim 2012; 48:53-8. [DOI: 10.1111/j.1439-0531.2012.02022.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Parrilla I, del Olmo D, Caballero I, Tarantini T, Cuello C, Gil MA, Roca J, Martinez EA, Vazquez JM. The Effect of Glycerol Concentrations on the Post-thawIn VitroCharacteristics of Cryopreserved Sex-sorted Boar Spermatozoa. Reprod Domest Anim 2012; 47:965-74. [DOI: 10.1111/j.1439-0531.2012.02000.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Flores E, Fernández-Novell JM, Peña A, Rigau T, Rodríguez-Gil JE. Cryopreservation-induced alterations in boar spermatozoa mitochondrial function are related to changes in the expression and location of midpiece mitofusin-2 and actin network. Theriogenology 2010; 74:354-63. [PMID: 20416937 DOI: 10.1016/j.theriogenology.2010.02.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Revised: 02/15/2010] [Accepted: 02/19/2010] [Indexed: 11/19/2022]
Abstract
The authors analyzed changes in mitochondrial activity of boar semen during a standard cryopreservation protocol. For this purpose, mitochondrial activity was evaluated simultaneously with the rhythm of mitochondrial formation of reactive oxygen species (mROS) through a double MitoTracker Red/proxylfluorescamine stain. Moreover, we analyzed changes in the expression and location of two key regulatory elements of mitochondrial function, namely mitofusin-2 (Mfn2) and actin, during the freezing-thawing protocol. Our results indicate that mitochondrial activity and mROS formation decreased during cyropreservation, with an initial decrease during the cooling phase of the protocol. This decrease was accompanied by an increase in the amount of solubilized Mfn2, which was concomitant with a progressive extension of Mfn2 location from the apical zone of the midpiece to the whole midpiece. Simultaneously, cryopreservation induced a decrease in solubilized actin, which was concurrent with significant changes in the midpiece actin location. The observed changes in the expression and location of both Mfn2 and actin were already present after the cooling phase of the cryopreservation protocol. Our results suggest that freezing-thawing impaired mitochondrial function. This impairment was concomitant with a decrease in the mitochondrial capacity to synthesize mROS. This impairment is attributed to changes in mitochondrial volume as a result of alterations in the expression and location of both Mfn-2 and the actin network. Finally, the alterations of mitochondrial function induced by the cryopreservation protocol were already apparent at the cooling phase. This observation indicates that the cooling phase is a crucial stage in which mitochondrial alterations occur during cryopreservation.
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Affiliation(s)
- E Flores
- Dept. Animal Medicine and Surgery, School of Veterinary Medicine, Autonomous University of Barcelona; E-08193 Bellaterra, Spain
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Luzardo B, Castro MC, Gamboa FA, Lopez MA, Lopez AA. Osmolarity of Coconut Water (Cocos nucifera) Based Diluents and their Effect Over Viability of Frozen Boar Semen. ACTA ACUST UNITED AC 2010. [DOI: 10.3844/ajavsp.2010.187.191] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Martínez-Pastor F, del Rocío Fernández-Santos M, Domínguez-Rebolledo ÁE, Esteso MC, Garde JJ. DNA Status on Thawed Semen from Fighting Bull: A Comparison Between the SCD and the SCSA Tests. Reprod Domest Anim 2009; 44:424-31. [DOI: 10.1111/j.1439-0531.2008.01098.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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OKAZAKI T, ABE S, SHIMADA M. Improved conception rates in sows inseminated with cryopreserved boar spermatozoa prepared with a more optimal combination of osmolality and glycerol in the freezing extender. Anim Sci J 2009; 80:121-9. [DOI: 10.1111/j.1740-0929.2008.00612.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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27
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Santiago-Moreno J, Toledano-Díaz A, Dorado J, Pulido-Pastor A, Coloma MA, López-Sebastián A. Recovery and cryopreservation of Spanish ibex epididymal spermatozoa. ACTA ACUST UNITED AC 2008; 53:309-16. [PMID: 18357960 DOI: 10.1080/01485010701730674] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A Tris-citric acid-glucose (TCG) diluent containing low concentrations (6%) of egg yolk, and a TCG extender containing lactose (without egg yolk), were compared for use in the cryopreservation of Spanish ibex (Capra pyrenaica) epididymal spermatozoa. To optimize the collection of epididymal spermatozoa, two spermatozoa recovery methods were tested: i) by using small cuts in the cauda epididymides and ii) by the application of air pressure (from a syringe) inside the vas deferens. The percentage of viable spermatozoa recovered was lower (P < 0.05) with the air pressure method. No significant differences were seen in the efficacy of the two diluents as determined by percentage viability of thawed sperm, membrane integrity (as determined by the hypo-osmotic swelling test), or acrosome integrity. The use of the TCG-lactose medium strongly reduced sperm motility (P < 0.001). The sperm samples that had been diluted with TCG-6% egg yolk extender showed a greater incidence (P < 0.05) of morphological abnormalities. TCG-lactose alone, does not well preserve motility when cryopreserving Spanish ibex epididymal spermatozoa.
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Affiliation(s)
- Julián Santiago-Moreno
- Departamento de Reproducción Animal, SGIT-INIA, Avda. Puerta de Hierro km 5.9, 28040 Madrid, Spain.
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Andrade MGS, Sá CN, Marchionni AMT, dos Santos Calmon de Bittencourt TCB, Sadigursky M. Effects of freezing on bone histological morphology. Cell Tissue Bank 2008; 9:279-87. [PMID: 18320353 DOI: 10.1007/s10561-008-9065-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2007] [Accepted: 02/19/2008] [Indexed: 11/26/2022]
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