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Li Y, Qin S, Cui W, Zhao F, He M, Jiang Z. Progress on the roles of zinc in sperm cryopreservation. Theriogenology 2023; 211:134-141. [PMID: 37619526 DOI: 10.1016/j.theriogenology.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 06/06/2023] [Accepted: 08/17/2023] [Indexed: 08/26/2023]
Abstract
One of the effective methods for the long-term preservation of mammalian genetic resources is the cryopreservation of semen. However, a number of parameters, including diluents, the rate of freezing and thawing, cryoprotectants, etc., can easily alter the survival of frozen-thawed sperm. Numerous studies have documented the addition of a variety of zinc compounds, to the diluents used to cryopreserve sperm. The primary objective of this review is to briefly describe that adding zinc to diluents as an antioxidant significantly enhances frozen-thawed sperm quality. Second, a summary of the present understanding of zinc's molecular mechanism on semen cryopreservation is provided. Thirdly, this study addresses that nanoparticles of zinc can offer suggestions for raising cryopreservation effectiveness.
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Affiliation(s)
- Yuanyou Li
- College of Animal Science and Technology, Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, Northwestern A&F University, Yangling, Shaanxi, 712100, China.
| | - Shaoyu Qin
- College of Animal Science and Technology, Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, Northwestern A&F University, Yangling, Shaanxi, 712100, China.
| | - Wenfei Cui
- College of Animal Science and Technology, Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, Northwestern A&F University, Yangling, Shaanxi, 712100, China.
| | - Fan Zhao
- College of Animal Science and Technology, Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, Northwestern A&F University, Yangling, Shaanxi, 712100, China.
| | - Meiling He
- College of Animal Science and Technology, Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, Northwestern A&F University, Yangling, Shaanxi, 712100, China.
| | - Zhongliang Jiang
- College of Animal Science and Technology, Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, Northwestern A&F University, Yangling, Shaanxi, 712100, China.
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Liu C, Feng H, Han J, Zhou H, Yuan L, Pan H, Wang X, Han X, Qiao R, Yang F, Li X. Effect of L-proline on sperm quality during cryopreservation of boar semen. Anim Reprod Sci 2023; 258:107359. [PMID: 37832280 DOI: 10.1016/j.anireprosci.2023.107359] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
L-proline has been reported to be useful in semen cryopreservation. However, its use has rarely been reported in the freezing of boar semen. The objective of this study was to evaluate the effects of different concentrations of L-proline (0, 10, 30, 50, and 90 mM) on the quality of boar semen after freezing and thawing. Semen samples from boars (n = 6) were frozen using freezing extenders with added concentrations of L-proline. Total sperm motility, progressive motility, survival time at 37 °C, acrosome integrity, mitochondrial activity, DNA integrity, the content of the lipid peroxidation product malondialdehyde (MDA), total antioxidant capacity (T-AOC) and, expression levels of apoptosis protein (cleaved caspase 3 and Bax) were evaluated after thawing. The results showed that total sperm viability (73.96% vs. 63.58%) and progressive motility (56.88% vs. 47.26%) after thawing were significantly higher in the 10 mM L-proline treatment group than in the control group. The survival time at 37 °C and the total motility of sperm in the 10 mM group within one hour after thawing were significantly higher than in the control group. Acrosome integrity and mitochondrial activity of sperm in the 10 mM group were significantly higher than those in the control, 50 mM, and 90 mM groups. The DNA integrity rate in the 10 mM group was significantly higher than in the control group. The L-proline treatment did not affect sperm MDA content or T-AOC. The expression levels of apoptosis protein (cleaved caspase 3 and Bax) in the 10 mM L-proline supplemented group were lower than those in the control group. In conclusion, the freezing extender containing 10 mM L-proline improved semen quality after freezing and thawing and thus would be a useful reagent for boar semen cryopreservation.
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Affiliation(s)
- Chuang Liu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Haoyi Feng
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Jinyi Han
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Hao Zhou
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Liwei Yuan
- Henan Jingwang Pig Breed Improvement Co. LTD, China
| | - Hongshuang Pan
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Xiaohan Wang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Xuelei Han
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Ruimin Qiao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China
| | - Feng Yang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China.
| | - Xinjian Li
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Henan Agricultural University, China.
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The effects of egg yolk-based and egg yolk-free diluents on the post-thaw quality of bull spermatozoa. ACTA VET BRNO 2022. [DOI: 10.2754/avb202291040339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of this study was to evaluate the effects of 3 different commercially available extenders – AndroMed® (soy lecithin-based), Optidyl® (with the addition of ionized egg yolk), and BULLXcell® (with the addition of fresh egg yolk) – on bull spermatozoa quality, which was evaluated using the parameters of spermatozoa motility, viability, plasma membrane damage, acrosome damage, and mitochondrial activity after thawing and during a 2 h long thermoresistance test. The spermatozoa quality indicators were appraised by computer-assisted semen analysis and a flow cytometer. Significant differences (P < 0.01) between bulls were registered in all indicators measured. The highest average values of spermatozoa total motility and viability were achieved using BULLXcell® extender (44.33%; 52.06%). Variances in comparing this extender with Optidyl® and AndroMed® were −0.83%, −2.64%; −8.33%, −9.51%. The differences found between the egg yolk-based diluents (BULLXcell® and Optidyl®) and AndroMed® were significant (P < 0.01). Therefore, the more valuable extenders for bull semen dilution were egg yolk-based extenders, which provided higher post-thaw spermatozoa survival and quality than the soy lecithin-based extender.
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Upadhyay VR, Ramesh V, Dewry RK, Kumar G, Raval K, Patoliya P. Implications of cryopreservation on structural and functional attributes of bovine spermatozoa: An overview. Andrologia 2021; 53:e14154. [PMID: 34143907 DOI: 10.1111/and.14154] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 05/12/2021] [Accepted: 06/03/2021] [Indexed: 01/31/2023] Open
Abstract
Sperm cryopreservation is an important adjunct to assisted reproduction techniques (ART) for improving the reproductive efficiency of dairy cattle and buffaloes. Improved understanding of mechanisms and challenges of bovine semen cryopreservation is vital for artificial insemination on a commercial basis. Although cryopreservation of bovine spermatozoa is widely practiced and advanced beyond that of other species, there are still major gaps in the knowledge and technology. Upon cryopreservation, disruption of spermatozoal plasma membrane configuration due to alterations in metabolic pathways, enzymes and antioxidants activity add to lower efficiency with loss of sperm longevity and fertilising ability. Therefore, the effective amalgamation of cryo-variables like ambient temperature, cooling and thawing rates, nucleation temperature, type and concentration of the cryoprotectant, seminal plasma composition, free radicals and antioxidant status are required to optimise cryopreservation. Novel strategies like supplementation of cholesterol-loaded cyclodextrins (CLC), nanovesicles, osteopontin, antioxidants, etc., in an extender and recent techniques like nano-purification and modified packaging have to be optimised to ameliorate the cryodamage. This article is intended to describe the basic facts about the sperm cryopreservation process in bovine and the associated biochemical, biophysical, ultra-structural, molecular and functional alterations.
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Affiliation(s)
| | - Vikram Ramesh
- Animal Reproduction and Gynecology, ICAR-National Research Centre on Mithun, Medziphema, India
| | - Raju Kumar Dewry
- Artificial Breeding Research Centre, ICAR-National Dairy Research Institute, Karnal, India
| | - Gaurav Kumar
- Division of Animal Physiology, ICAR-National Dairy Research Institute, Karnal, India
| | - Kathan Raval
- Artificial Breeding Research Centre, ICAR-National Dairy Research Institute, Karnal, India
| | - Priyanka Patoliya
- Division of Livestock Production Management, ICAR-National Dairy Research Institute, Karnal, India
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L-Proline: An Effective Agent for Frozen and Post-thawed Donkey Semen Storage. J Equine Vet Sci 2021; 101:103393. [PMID: 33993948 DOI: 10.1016/j.jevs.2021.103393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 01/21/2021] [Accepted: 01/22/2021] [Indexed: 12/11/2022]
Abstract
The aim of this study was to evaluate the effects of L-proline on the extender quality of frozen and post-thawed jackass semen. Jackass (n = 6) semen samples were collected and cryopreserved in gradient concentrations (0-80 mM) of L-proline in extenders; post-thawed semen samples were cultured in L-proline medium for 10 hours at 37°C. For cryopreservation experiment I, the motile parameters, mitochondrial membrane potential (MMP), and plasma membrane, acrosome, and chromatin structure integrities of post-thawed semen were assessed. For culture experiment II, additional ROS contents were analyzed after incubation. For the fertility trial, jennies (n = 135) were divided into group I (30 mM L-proline in cryopreservation extender), group II (40 mM L-proline in culture medium), and the control. Pregnancy was diagnosed using an ultrasound scanner 30 days after ovulation. The results of experiment I showed that, motile parameters and acrosome and chromatin structure integrities of groups I and 40 mM were significantly higher than the control (P < .05). MMP of group I was significantly higher than the control and 40 mM groups (P < .05). In experiment II, after 4 hours of incubation, motile parameters, MMP, and DNA integrity in group II were significantly higher than the control (P < .05). Additionally, 40 and 80 mM L-proline in culture medium significantly reduced ROS accumulation after 4 and 10 hours of incubation (P < .05). Pregnancy rates of the control and groups I and II were 28.85%, 40%, and 36.84%, respectively. In conclusion, the extenders containing 30 to 40 mM L-proline improved both qualities of frozen and post-thawed semen, and it will be a beneficial agent for donkey frozen spermatozoa or post-thawed semen storage.
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Bacteriospermia and Sperm Quality of Cryopreserved Bull Semen Used in Artificial Insemination of Cows in South Wollo Zone, Ethiopia. Vet Med Int 2020; 2020:2098315. [PMID: 32411339 PMCID: PMC7204317 DOI: 10.1155/2020/2098315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 11/07/2019] [Accepted: 12/10/2019] [Indexed: 12/04/2022] Open
Abstract
The objectives of this trial were to estimate prevalence of bacteriospermia, to determine the bacterial load, and to isolate the types of bacteria as well as to assess the association between bacterial load and sperm quality traits in cryopreserved bull semen in field conditions in the South Wollo Zone. A total of 309 cryopreserved straws of semen from the Holstein Friesian (HF)-cross bull (n = 180 straws) and pure Jersey bull (n = 129 straws) were investigated. Bacteriological assessments of the presence of aerobic bacteria, estimation of bacterial count and bacterial isolation, as well as semen quality were performed. Aerobic bacterial contamination was prevalent in 38.8% of the semen straws. No significant difference in the prevalence of bacteriospermia was observed among bulls although the HF-cross bull had a higher prevalence (40.0%). But, significant difference in prevalence of bacteriospermia was found among semen ejaculates of the same bull. The risk of bacteriospermia in the HF-cross bull was higher (Odds ratio = 1.86, 95% CI = 0.168–20.26) compared to Jersey although not significant. Overall average bacterial load of 50.38 ± 16.29 colony-forming units (CFU)/ml (from nil to 1318.20 CFU/ml) was found. No significant difference in bacterial count among bulls and their ejaculates was observed. Moreover, correlation analysis revealed that the proportions of motility, live, and normal morphology were negatively influenced by an increase in the bacterial contamination of semen. In this study, three isolates of coagualse-negative Staphylococcus species and one isolate of Corynebacterium species were found. Average percentages of sperm motility (48.35 ± 1.23), live (66.08 ± 1.0), and normal morphology (80.62 ± 1.24) were observed. It was concluded that cryopreservation does not guarantee the quality of semen from bacterial contamination. Hence, meticulous care should be adopted to prevent contamination of semen by bacteria during collection, transportation, processing, and storage times.
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Malo C, Elwing B, Soederstroem L, Lundeheim N, Morrell JM, Skidmore JA. Effect of different freezing rates and thawing temperatures on cryosurvival of dromedary camel spermatozoa. Theriogenology 2018; 125:43-48. [PMID: 30388470 DOI: 10.1016/j.theriogenology.2018.07.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 06/20/2018] [Accepted: 07/29/2018] [Indexed: 10/28/2022]
Abstract
The objective of this study was to evaluate the effect of different freezing rates and thawing temperatures on the post-thaw quality of camel spermatozoa. Ten ejaculates from five male camels were frozen at five different freezing rates, achieved by placing the straws at specific heights above the surface of liquid nitrogen for different lengths of time (4 cm for 15 min; 1 cm for 15 min; 7 cm for 15 min; 7 cm for 5 min + 4 cm for 3 min; 4 cm for 5 min + 1 cm for 3 min) followed by storage in liquid nitrogen. Two thawing temperatures (37° for 30 s and 60 °C for 10 s) were subsequently tested. Post-thawing, the samples were evaluated for total and progressive motility, kinematics, membrane and acrosome integrity, and membrane functionality (hypoosmotic swelling test) at zero and 1 h post thawing. Total and progressive motility were significantly higher for the fastest freezing rate (at 1 cm) at 0 h (p < 0.01 for both), as were VCL (p < 0.01), VSL (p < 0.05) and STR (p < 0.05). Freezing at 4 cm produced the lowest values of STR compared to other treatments (p < 0.05). At 1 h, no differences in total motility were observed between freezing at 4 cm and 1 cm, both being significantly better than freezing rate 7 cm + 4 cm (p < 0.01). For progressive motility and VSL, only freezing at 1 cm was superior to the 7 cm + 4 cm combination (p < 0.001 and p < 0.05 respectively). Membrane integrity at 1 h was higher for freezing at 7 cm than at 1 cm (p < 0.01). For thawing temperatures, total motility and progressive motility at 0 h and 1 h (p < 0.001), and acrosome integrity at 1 h (p < 0.01) were higher for 60 °C thawing temperature than 37 °C. The kinematics VCL (p < 0.001), VSL and STR (p < 0.01), and VAP (p < 0.05) showed higher values for 60 °C thawing temperature than 37 °C at 0 h. After 1 h, higher values for VSL, VCL and VAP (p < 0.05) were observed for 60 °C than for 37 °C. In conclusion, a fast freezing rate would probably be beneficial for camel semen, and thawing should be conducted at 60 °C.
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Affiliation(s)
- Clara Malo
- Camel Reproduction Center, Dubai, United Arab Emirates.
| | - Bodil Elwing
- Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Box 7054, SE, 75007, Uppsala, Sweden
| | - Linn Soederstroem
- Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Box 7054, SE, 75007, Uppsala, Sweden
| | - Nils Lundeheim
- Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Box 7054, SE, 75007, Uppsala, Sweden
| | - Jane M Morrell
- Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Box 7054, SE, 75007, Uppsala, Sweden
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Amin BY, Prasad JK, Ghosh SK, Lone SA, Kumar A, Mustapha AR, Din O, Kumar A. Effect of various levels of dissolved oxygen on reactive oxygen species and cryocapacitation-like changes in bull sperm. Reprod Domest Anim 2018; 53:1033-1040. [DOI: 10.1111/rda.13200] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/22/2018] [Accepted: 03/26/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Beigh Y. Amin
- Division of Animal Reproduction; ICAR-Indian Veterinary Research Institute; Izatnagar India
| | - Jai K. Prasad
- Division of Animal Reproduction; ICAR-Indian Veterinary Research Institute; Izatnagar India
| | - Subrata K. Ghosh
- Division of Animal Reproduction; ICAR-Indian Veterinary Research Institute; Izatnagar India
| | - Shabir A. Lone
- Artificial Breeding Research Center (ABRC), Animal Reproduction, Gynecology and Obstetrics; ICAR-National Dairy Research Institute; Karnal India
| | - Abhishek Kumar
- Division of Animal Reproduction; ICAR-Indian Veterinary Research Institute; Izatnagar India
| | - Abdul R. Mustapha
- Department of Theriogenology, Faculty of Veterinary Medicine; University of Maiduguri; Borno State Nigeria
| | - Omer Din
- Division of Animal Reproduction; ICAR-Indian Veterinary Research Institute; Izatnagar India
| | - Ajay Kumar
- Biochemistry Division; ICAR-Indian Veterinary Research Institute; Izatnagar India
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Patel M, Cheema R, Bansal A, Gandotra V. A 31-kDa seminal plasma heparin–binding protein reduces cold shock stress during cryopreservation of cross-bred cattle bull semen. Theriogenology 2016; 86:1599-1606. [DOI: 10.1016/j.theriogenology.2016.05.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 05/19/2016] [Accepted: 05/19/2016] [Indexed: 12/27/2022]
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Layek SS, Mohanty TK, Kumaresan A, Parks JE. Cryopreservation of bull semen: Evolution from egg yolk based to soybean based extenders. Anim Reprod Sci 2016; 172:1-9. [PMID: 27509873 DOI: 10.1016/j.anireprosci.2016.04.013] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 04/19/2016] [Accepted: 04/29/2016] [Indexed: 10/21/2022]
Abstract
Since the inception of bovine semen cryopreservation, egg yolk and milk based extenders have been used to protect sperm from the detrimental effects of cooling and freezing. In recent years, demand for alternatives to conventional commercial extenders has arisen as the risk of introducing exotic diseases through transporting egg yolk based products has been recognized. Egg yolk can also interfere with sperm evaluation and the presence of particulate material in the extender may reduce fertility. Soybeans contain lecithin, a phospholipid fraction that can substitute for high molecular weight lipoprotein and phospholipids from egg yolk and prevent or ameliorate damage to the sperm plasma membrane that occurs during extension, cooling, and cryopreservation. Soy lecithin based extenders have been evaluated for processing and freezing bovine semen, although extender from soybean milk has not been studied as extensively. Commercially available soy lecithin based extenders are used increasingly but remain under scrutiny and are not universally accepted. With these observations in mind, this review is intended to examine effects of conventional cryopreservation procedures, methods of assessment, and potential for developing soybean extract as an acceptable alternative to traditional egg yolk and milk based extenders for bull sperm cryopreservation.
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Affiliation(s)
- S S Layek
- Livestock Research Centre, National Dairy Research Institute, Karnal, 132 001 Haryana, India
| | - T K Mohanty
- Livestock Research Centre, National Dairy Research Institute, Karnal, 132 001 Haryana, India
| | - A Kumaresan
- Livestock Research Centre, National Dairy Research Institute, Karnal, 132 001 Haryana, India
| | - J E Parks
- Department of Animal Science, Cornell University, Ithaca, NY 14850, USA.
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Beran J, Šimoník O, Rajmon R, Stádník L, Doležalová M, Krejcárková A, Ducháček J, Šichtař J. Effect of LDL Addition Into Selected Bull Sperm Diluters on Resistance of Spermatozoa Against Cold Shock. ACTA UNIVERSITATIS AGRICULTURAE ET SILVICULTURAE MENDELIANAE BRUNENSIS 2016. [DOI: 10.11118/actaun201664020395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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