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de Alcântara-neto ASD, Cuello C, Uzbekov R, Bauersachs S, Mermillod P, Almiñana C. Oviductal Extracellular Vesicles Enhance Porcine In Vitro Embryo Development by Modulating the Embryonic Transcriptome. Biomolecules 2022; 12:1300. [PMID: 36139139 PMCID: PMC9496104 DOI: 10.3390/biom12091300] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/29/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Oviductal extracellular vesicles (oEVs) have been identified as important components of the oviductal fluid (OF) and have been pointed to as key modulators of gamete/embryo-maternal interactions. Here, we determined the functional impact of oEVs on embryo development and the embryonic transcriptome in porcine. Experiment 1 examined the effect of oEVs and OF on embryo development. In vitro-produced embryos were cultured with oEVs or OF for 2 or 7 days using an in vitro sequential system or without supplementation (control). Experiment 2 analyzed transcriptomic alterations of EV-treated embryos versus control and the oEVs RNA cargo by RNA-sequencing. Two days of EV treatment enhanced embryo development over time when compared to other treatments. Different RNA expression profiles between embryos treated with EVs for two or seven days and untreated controls were obtained, with 54 and 59 differentially expressed (DE) genes and six and seven DE miRNAs, respectively. In oEV RNA cargo, 12,998 RNAs and 163 miRNAs were identified. Integrative analyses pointed to specific oEV components that might act as modulators of the embryonic transcriptome, such as S100A11, ANXA2 or miR-21-5p. Overall, the findings suggested that oEVs could be a potential strategy to improve porcine IVP outcomes, particularly by using two days of EV treatment.
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Alcântara-Neto AS, Fernandez-Rufete M, Corbin E, Tsikis G, Uzbekov R, Garanina AS, Coy P, Almiñana C, Mermillod P. Oviduct fluid extracellular vesicles regulate polyspermy during porcine in vitro fertilisation. Reprod Fertil Dev 2021; 32:409-418. [PMID: 31775998 DOI: 10.1071/rd19058] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 07/18/2019] [Indexed: 12/27/2022] Open
Abstract
High polyspermy is one of the major limitations of porcine invitro fertilisation (IVF). The addition of oviductal fluid (OF) during IVF reduces polyspermy without decreasing the fertilisation rate. Because extracellular vesicles (EVs) have been described as important OF components, the aim of this study was to evaluate the effect of porcine oviductal EVs (poEVs) on IVF efficiency compared with porcine OF (fresh and lyophilised). OF was collected from abattoir oviducts by phosphate-buffered saline flush, and poEVs were isolated by serial ultracentrifugation. Four IVF treatments were conducted: poEVs (0.2mgmL-1), OF (10%), lyophilized and reconstituted pure OF (LOF; 1%) and IVF without supplementation (control). Penetration, monospermy and IVF efficiency were evaluated. Transmission electron microscopy showed an EVs population primarily composed of exosomes (83%; 30-150nm). Supplementation with poEVs during IVF increased monospermy compared with control (44% vs 17%) while maintaining an acceptable penetration rate (61% vs 78% respectively) in a similar way to OF and LOF. Western blotting revealed poEVs proteins involved in early reproductive events, including zona pellucida hardening. In conclusion, our finding show that poEVs are key components of porcine OF and may play roles in porcine fertilisation and polyspermy regulation, suggesting that supplementation with poEVs is a reliable strategy to decrease porcine polyspermy and improve invitro embryo production outcomes.
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Affiliation(s)
- A S Alcântara-Neto
- Unité Mixte de Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique (INRA), 37380 Nouzilly, France
| | - M Fernandez-Rufete
- Department of Physiology, Faculty of Veterinary, University of Murcia, Murcia, IMIB-Arixaca, Spain
| | - E Corbin
- Unité Mixte de Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique (INRA), 37380 Nouzilly, France
| | - G Tsikis
- Unité Mixte de Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique (INRA), 37380 Nouzilly, France
| | - R Uzbekov
- Laboratoire Biologie Cellulaire et Microscopie Electronique, Faculté de Médecine, Université François Rabelais, 37000 Tours, France; and Faculty of Bioengineering and Bioinformatics, Moscow State University, 119992, Leninskye gory 73, Moscow, Russian Federation
| | - A S Garanina
- Laboratoire Biologie Cellulaire et Microscopie Electronique, Faculté de Médecine, Université François Rabelais, 37000 Tours, France; and Present address: National University of Science and Technology 'MISiS', 119049, Moscow, Russian Federation
| | - P Coy
- Department of Physiology, Faculty of Veterinary, University of Murcia, Murcia, IMIB-Arixaca, Spain
| | - C Almiñana
- Unité Mixte de Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique (INRA), 37380 Nouzilly, France; and Present address: University of Zurich, Genetics and Functional Genomics Group, Clinic of Reproductive Medicine, Department of Farm Animals, VetSuisse Faculty, Zurich, Switzerland
| | - P Mermillod
- Unité Mixte de Physiologie de la Reproduction et des Comportements, Institut National de la Recherche Agronomique (INRA), 37380 Nouzilly, France; and Corresponding author:
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Martinez CA, Cambra JM, Maside C, Cuello C, Roca J, Martinez EA, Parrilla I, Gil MA. High pre-freezing sperm dilution improves monospermy without affecting the penetration rate in porcine IVF. Theriogenology 2019; 131:162-168. [PMID: 30974393 DOI: 10.1016/j.theriogenology.2019.04.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 11/28/2022]
Abstract
The high incidence of polyspermy is still an unresolved problem for the production of in vitro-produced porcine embryos. In this work, we modified the usual sperm processing sequence for in vitro fertilization (IVF), and the spermatozoa from four boars were frozen directly at a low sperm concentration of 20 × 106 sperm/mL (high pre-freezing sperm dilution group; F20), thawed and processed for IVF in three replicates. Spermatozoa from the same boars frozen at a conventional concentration (1000 × 106 sperm/mL) were used as the control group. The post-thaw sperm quality evaluation demonstrated that despite there being no differences in the percentage of motile spermatozoa between groups, the proportion of live spermatozoa with intact acrosomes was significantly higher in the F20 group than in the control. The in vitro penetration rate was also similar between groups; however, the co-incubation of oocytes with F20 sperm increased monospermy, IVF efficiency, cleavage rate and the efficiency of blastocyst formation compared with the results for oocytes co-incubated with control spermatozoa. These results indicate, for the first time, that a high pre-freezing sperm dilution increases monospermy without affecting penetration rates, thereby increasing blastocyst formation.
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Affiliation(s)
- C A Martinez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
| | - J M Cambra
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
| | - C Maside
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
| | - C Cuello
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
| | - J Roca
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
| | - E A Martinez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
| | - I Parrilla
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain.
| | - M A Gil
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain; Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Murcia, Spain
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Zhang Z, Cao Y, Zhai Y, Ma X, An X, Zhang S, Li Z. MicroRNA-29b regulates DNA methylation by targeting Dnmt3a/3b and Tet1/2/3 in porcine early embryo development. Dev Growth Differ 2018; 60:197-204. [PMID: 29878317 DOI: 10.1111/dgd.12537] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 04/04/2018] [Accepted: 04/05/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Zhiren Zhang
- The First Bethune Hospital; Jilin University; Changchun China
- College of Animal Science; Jilin University; Changchun China
| | - Yunqing Cao
- College of Veterinary Medicine; Jilin University; Changchun China
| | - Yanhui Zhai
- The First Bethune Hospital; Jilin University; Changchun China
- College of Veterinary Medicine; Jilin University; Changchun China
| | - Xiaoling Ma
- The First Bethune Hospital; Jilin University; Changchun China
| | - Xinglan An
- The First Bethune Hospital; Jilin University; Changchun China
| | - Sheng Zhang
- The First Bethune Hospital; Jilin University; Changchun China
| | - Ziyi Li
- The First Bethune Hospital; Jilin University; Changchun China
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Funahashi H. Methods for Improving In Vitro and In Vivo Boar Sperm Fertility. Reprod Domest Anim 2016; 50 Suppl 2:40-7. [PMID: 26174918 DOI: 10.1111/rda.12568] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 06/05/2015] [Indexed: 11/30/2022]
Abstract
Fertility of boar spermatozoa is changed after ejaculation in vivo and in vitro. During processing for in vitro fertilization (IVF), although spermatozoa are induced capacitation, resulting in a high penetration rate, persistent obstacle of polyspermic penetration is still observed with a high incidence. For artificial insemination (AI), we still need a large number of spermatozoa and lose a majority of those in the female reproductive tract. Fertility of cryopreserved boar spermatozoa is still injured through freezing and thawing process. In the present brief review, factors affecting fertility of boar sperm during IVF, AI and cryopreservation are discussed in the context of discovering methodologies to improve it.
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Affiliation(s)
- H Funahashi
- Department of Animal Science, Okayama University, Okayama, Japan
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Beek J, Nauwynck H, Appeltant R, Maes D, Van Soom A. Inhibitors of serine proteases decrease sperm penetration during porcine fertilization in vitro by inhibiting sperm binding to the zona pellucida and acrosome reaction. Theriogenology 2015; 84:1378-86. [DOI: 10.1016/j.theriogenology.2015.07.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 05/11/2015] [Accepted: 07/17/2015] [Indexed: 11/29/2022]
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Beek J, Maes D, Nauwynck H, Piepers S, Van Soom A. A critical assessment of the effect of serine protease inhibitors on porcine fertilization and quality parameters of porcine spermatozoa in vitro. Reprod Biol 2015; 15:9-19. [PMID: 25726372 DOI: 10.1016/j.repbio.2014.12.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 12/02/2014] [Accepted: 12/23/2014] [Indexed: 10/24/2022]
Abstract
Proteases play an important role during mammalian fertilization. Their function is frequently investigated using specific inhibitors. We analyzed four serine protease inhibitors [4-(2-aminoethyl) benzene sulfonyl fluoride hydrochloride (AEBSF), soybean trypsin inhibitor from glycine max (STI), Nα-tosyl-L-lysine-chloromethyl ketone hydrochloride (TLCK) and N(p)-tosyl-L-phenylalanine-chloromethyl ketone (TPCK)] for their in vitro effect on fertilization and sperm quality in pigs. Inhibitor concentrations were chosen based on the reduction of fertilization rate during preliminary dose-response experiments with cryopreserved epididymal spermatozoa. The inhibitor effects on in vitro fertilization (IVF) and sperm parameters (membrane and acrosomal integrity, motility and mitochondrial membrane potential - MMP) were evaluated using diluted fresh semen. AEBSF (100 μM), TLCK (100 μM) and TPCK (100 μM) decreased total fertilization and polyspermy rates by at least 50%. STI (5 μM) lowered total fertilization rates but not the level of polyspermy. AEBSF and TPCK reduced fertilization parameters to a similar degree using cryopreserved epididymal spermatozoa (dose-response experiment) or diluted fresh semen. Inhibition by STI was more pronounced using cryopreserved epididymal spermatozoa, whereas TLCK inhibited IVF only with diluted fresh semen. AEBSF and STI had no effect on sperm parameters, and TLCK significantly reduced motility. TPCK diminished MMP and motility and affected membrane and acrosomal integrity in a negative way. In summary, serine protease inhibitors differed in the way they reduce the fertilization rate. These results emphasize the necessity of inhibitor testing before they can be applied in fertilization studies. AEBSF and STI can be used in the future IVF studies without compromising sperm quality.
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Affiliation(s)
- J Beek
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820 Merelbeke, Belgium.
| | - D Maes
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820 Merelbeke, Belgium
| | - H Nauwynck
- Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, B-9820 Merelbeke, Belgium
| | - S Piepers
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820 Merelbeke, Belgium
| | - A Van Soom
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, B-9820 Merelbeke, Belgium
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Abstract
The in vitro production of porcine embryos has presented numerous challenges to researchers over the past four decades. Some of the problems encountered were specific to porcine gametes and embryos and needed the concerted efforts of many to overcome. Gradually, porcine embryo in vitro production systems became more reliable and acceptable rates of blastocyst formation were achieved. Despite the significant improvements, the problem of polyspermic fertilization has still not been adequately resolved and the embryo in vitro culture conditions are still considered to be suboptimal. Whereas early studies focused on increasing our understanding of the reproductive processes involved, the technology evolved to the point where in vitro-matured oocytes and in vitro-produced embryos could be used as research material for developing associated reproductive technologies, such as SCNT and embryo cryopreservation. Today, the in vitro procedures used to mature oocytes and culture embryos are integral to the production of transgenic pigs by SCNT. This review discusses the major achievements, advances, and knowledge gained from porcine embryo in vitro production studies and highlights the future research perspectives of this important technology.
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Affiliation(s)
- Christopher G Grupen
- Faculty of Veterinary Science, The University of Sydney, Camden, New South Wales, Australia.
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Gil MA, Cuello C, Parrilla I, Vazquez JM, Roca J, Martinez EA. Advances in Swine In Vitro Embryo Production Technologies. Reprod Domest Anim 2010; 45 Suppl 2:40-8. [DOI: 10.1111/j.1439-0531.2010.01623.x] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Almiñana C, Gil MA, Cuello C, Caballero I, Roca J, Vazquez JM, Martinez EA. In VitroFertilization (IVF) in Straws and a Short Gamete Coincubation Time Improves the Efficiency of Porcine IVF. Reprod Domest Anim 2008; 43:747-52. [DOI: 10.1111/j.1439-0531.2007.00995.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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