1
|
Elmetwally MA, Meinecke-Tillmann S, Herzog K, Bollwein H. Effects of natural mating, artificial insemination and intravaginal deposition of raw semen or seminal plasma on vaginal and uterine blood flow in German Holstein cows. BMC Vet Res 2024; 20:277. [PMID: 38926710 PMCID: PMC11201786 DOI: 10.1186/s12917-024-03919-x] [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: 02/22/2023] [Accepted: 02/07/2024] [Indexed: 06/28/2024] Open
Abstract
AIM The present study was performed to characterize and compare the perfusion of vaginal and uterine arteries after challenging the reproductive tract of dairy cows via natural mating, artificial insemination (AI), or intravaginal deposition (vaginal fundus) of different biological fluids or a placebo. MATERIALS AND METHODS In a double-blind study, six German Holstein cows were administered PGF2α during dioestrus and 48 h later treated with GnRH. Intravaginal or intrauterine treatments were carried out 12 h after GnRH was administered. Animals served as their controls, using a cross-over design with an interval of 14 days between experiments. The experimental animals were allocated to receive the following treatments: natural mating (N), intrauterine artificial insemination (A), intravaginal deposition (vaginal fundus) of 6 mL raw semen (R) or 6 mL seminal plasma (S), and compared to their controls [control 1: 6 mL placebo (P: physiological saline); control 2: no treatment (C)). Corresponding time intervals were chosen for the untreated control oestrus. Blood flow volume (BFV) in the uterine (u) and vaginal (v) arteries ipsilateral to the ovary bearing the preovulatory follicle was determined using transrectal Doppler sonography. RESULTS All animals exhibited oestrus and ovulated between 30 and 36 h after GnRH. Transient increases (P < 0.05) in vaginal blood flow occurred between 3 and 12 h following mating as well as 3 to 9 h after deposition of raw semen and seminal plasma, respectively. The most distinct increases (199%) in vBFV occurred 6 h after mating compared to values immediately before mating (= time 0 h). Neither AI nor deposition of a placebo into the vagina affected vBFV (P > 0.05). Only mating and deposition of either raw semen, seminal plasma or AI increased uBFV (P < 0.003). The greatest rise in uBFV occurred after natural mating. Maximum uBFV values were detected 9 h after mating when values were 79% greater (P < 0.05) than at 0 h. CONCLUSIONS The natural mating, deposition of raw semen or seminal plasma and conventional AI affect vaginal and/or uterine blood flow to different degrees. The factors responsible for these alterations in blood flow and their effects on fertility remain to be clarified in future studies.
Collapse
Affiliation(s)
- Mohammed A Elmetwally
- Institute for Reproductive Biology, University of Veterinary Medicine Hannover, 30559, Hannover, Germany
- Department of Theriogenology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
- Center for Reproductive Biotechnology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Sabine Meinecke-Tillmann
- Institute for Reproductive Biology, University of Veterinary Medicine Hannover, 30559, Hannover, Germany
| | - Kathrin Herzog
- Clinic for Cattle, University of Veterinary Medicine Hannover, 30173, Hannover, Germany
- Lower Saxony State Office for Consumer Protection and Food Safety, D-26203, Oldenburg, Germany
| | - Heinrich Bollwein
- Clinic for Cattle, University of Veterinary Medicine Hannover, 30173, Hannover, Germany.
- Clinic of Reproductive Medicine, Vetsuisse Faculty, University of Zürich, Zürich, CH-8057, Switzerland.
| |
Collapse
|
2
|
Maes D, Pavani KC, Nauwynck H, Van Soom A. Immunological defense mechanisms of ejaculates and the spread of viral infectious diseases through pig semen. Anim Reprod Sci 2024:107535. [PMID: 38880667 DOI: 10.1016/j.anireprosci.2024.107535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 06/11/2024] [Accepted: 06/11/2024] [Indexed: 06/18/2024]
Abstract
This review focuses on the mechanisms of immune tolerance and antimicrobial defense in the male genital tract of the pig. Sperm cells are foreign to the immune system and, therefore, they must be protected from the immune system. The blood-testis-barrier is mediated by a physical barrier between adjacent Sertoli cells, several cell types within the testis, and interactions between immunomodulatory molecules. The blood-epididymal-barrier is composed of a physical barrier that is lined with principal cells having a network of junctional complexes in their apical lateral membrane and completed by specific transporters. The seminal plasma (SP) contains many signaling agents involved in establishing a state of immune tolerance in the female genital tract, which is essential for successful fertilization. Specific SP-proteins, however, also have pro-inflammatory capacities contributing to transient uterine inflammation, supporting the removal of foreign cells, possible pathogens, and excessive spermatozoa. While many different proteins and other substances present in semen can damage sperm cells, they may also protect them against viral infections. A delicate balance of these substances, therefore, needs to be maintained. Related to this, recent studies have shown the importance of extracellular vesicles (EVs), as they contain these substances and convey immune signals. Yet, viruses may use EVs to interact with the male genital tract and circumvent immune responses. For this reason, further research needs to explore the role of EVs in the male reproductive tract, as it might contribute to elucidating the pathogenesis of viral infections that might be transmitted via semen and to developing better vaccines.
Collapse
Affiliation(s)
- Dominiek Maes
- Unit of Porcine Health Management, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke 9820, Belgium.
| | - Krishna C Pavani
- Reproductive Biology Unit, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke 9820, Belgium
| | - Hans Nauwynck
- Laboratory of Virology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke 9820, Belgium
| | - Ann Van Soom
- Reproductive Biology Unit, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke 9820, Belgium
| |
Collapse
|
3
|
Mukherjee AG, Gopalakrishnan AV. Anti-sperm Antibodies as an Increasing Threat to Male Fertility: Immunological Insights, Diagnostic and Therapeutic Strategies. Reprod Sci 2024:10.1007/s43032-024-01610-y. [PMID: 38831152 DOI: 10.1007/s43032-024-01610-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
It is a fact that sperm possess antigenic properties. Substantial scientific research suggests that specific antibodies that attach to sperm antigens can induce infertility in both humans and other species. Antisperm antibodies (ASA) represent a significant etiology of infertility in humans, leading to immunoinfertility. The association between ASA and infertility is multifaceted. The observation of sperm agglutination, although not conclusive for the diagnosis of immunological infertility, may suggest the presence of ASA. Nevertheless, ASA may also manifest in the lack of any sperm agglutination. Managing ASA from an andrological perspective depends on the underlying cause and the specific approaches healthcare professionals adopt. The precise etiology of male infertility resulting from ASA remains unclear. Current research has examined the impact of ASA and its prevalence among infertile males to understand the relationship between ASA and changes in semen parameters. However, the findings have been inconclusive. Numerous techniques have been documented for the management of immunoinfertility. This review examines the importance of ASA in the context of infertility, encompassing the postulated mechanisms underlying the development of ASA, the various assays employed for detecting them, and the available treatments.
Collapse
Affiliation(s)
- Anirban Goutam Mukherjee
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
| |
Collapse
|
4
|
Okuyama MW, Moriyoshi M, Katagiri S. Changes in interleukin-2, -4, -6 and -8 expression in the postovulatory sow endometrium after artificial insemination based on conceived or failed to conceive. J Reprod Dev 2024; 70:192-196. [PMID: 38616120 PMCID: PMC11153119 DOI: 10.1262/jrd.2023-094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/24/2024] [Indexed: 04/16/2024] Open
Abstract
The establishment and maintenance of a pregnancy requires proper interaction between the endocrine and immune systems in the uterus. Therefore, it is crucial to understand how changes in endometrial cytokine levels facilitate reproduction. This study aimed to investigate how representative cytokines sequentially changed in the endometrium and whether conception could be attributed to these changes. In this study, artificial insemination was performed twice in 160 sows and ovulation was examined every 3 h using transrectal ultrasonography. Uterine endometrial tissues were obtained via repeated biopsies at 2, 4, 6, 8, 12, 16, and 20 h after ovulation and interleukin (IL)-2, IL-4, IL-6, and IL-8 expression was examined using real-time polymerase chain reaction. The conception rate was 91.9%. The IL-2 levels showed no differences in conception or time. The expression peaks of IL-4 and IL-6 were delayed in sows that failed to conceive within 4-6 h and 2 h, respectively, compared to those that did conceive. In sows that conceived, IL-8 was highest after 2 h, and no difference was observed at other time point, regardless of conception. In sows that failed to conceive, the increase in IL-8 levels might have been cancelled or terminated before the first sampling time. These results highlight the importance of timely increases and subsequent declines in the levels of some cytokines for the establishment of pregnancy. Differences in uterine capacity start just after ovulation; detection and correction of these deviations can improve the reproductive efficiency of sows.
Collapse
Affiliation(s)
- Minami W Okuyama
- Faculty of Medicine, Oita University, Yufu 879-5593, Japan
- Laboratory of Theriogenology, Department of Large Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Japan
| | - Masaharu Moriyoshi
- Laboratory of Theriogenology, Department of Large Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Japan
| | - Seiji Katagiri
- Laboratory of Theriogenology, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
- Laboratory of Theriogenology, Department of Large Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Japan
| |
Collapse
|
5
|
Toledo-Guardiola SM, Párraga-Ros E, Seva J, Luongo C, García-Vázquez FA, Soriano-Úbeda C, Matás C. Artificial insemination of all ejaculated sperm fractions accelerates embryo development and increases the uterine vascularity in the pig. Theriogenology 2024; 219:32-38. [PMID: 38382215 DOI: 10.1016/j.theriogenology.2024.02.017] [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: 07/13/2023] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 02/23/2024]
Abstract
The semen of boar is characterized by ejaculation in well-differentiated fractions with specific concentration, composition, and volume. The 'sperm-rich fraction' (SRF), the most concentrated seminal fraction, is habitually collected in insemination centers to make artificial insemination (AI) doses. The absence of the other fractions in AI doses could alter the uterine reaction to AI and not trigger essential responses that could maximize fertility. Thus, there is an urge to ascertain the impact of different ejaculate fractions on the uterus after AI to optimize the semen doses. This work analyzed specific parameters related to fertility in pregnant artificially inseminated sows (n = 15) with ac-cumulative fractions of the semen of boars (n = 6): F1, composed of the sperm-rich fraction (SRF); F2, composed of F1 plus the intermediate fraction; F3, composed of F2 plus the post-SRF. Non-inseminated sows (n = 5) were included as control (C). The different types of seminal dose did not affect the number of ovulated follicles (CL; corpora lutea, p > 0.05) but did affect the embryo development (p < 0.05). The proportion of embryos in morula stages was significantly higher in AI-F1 sows (84.4%, p < 0.05). Morulas and blastocysts were balanced in AI-F2 or AI-F3 (p > 0.05). Independently of the type of seminal dose (F1, F2, or F3), we observed by immunohistochemistry that AI significantly increased uterine vascularization, although with some anatomical differences. The cranial region of the uterine horns was significantly more vascularized in AI-F1 or AI-F2 sows (26.7 ± 2.3 and 28.6 ± 2.0%, respectively), and AI-F3 showed significantly less vascularization at that point (17.8 ± 1.6%, p < 0.05). To summarize, the synergistic effect of all ejaculate fractions accelerates embryo development, at least during the preimplantation period, and increases the uterine reaction to AI in certain parts of the uterus.
Collapse
Affiliation(s)
- Santa María Toledo-Guardiola
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, Murcia, Spain.
| | - Ester Párraga-Ros
- Departamento de Anatomía y Anatomía Patológica Comparadas, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, Murcia, Spain.
| | - Juan Seva
- Departamento de Anatomía y Anatomía Patológica Comparadas, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, Murcia, Spain.
| | - Chiara Luongo
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, Murcia, Spain.
| | - Francisco A García-Vázquez
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, Murcia, Spain.
| | - C Soriano-Úbeda
- Departamento de Medicina, Cirugía y Anatomía Veterinaria, Facultad de Veterinaria, Universidad de León, León, Spain.
| | - C Matás
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, Murcia, Spain.
| |
Collapse
|
6
|
Sánchez JM, Rabaglino MB, Bagés-Arnal S, McDonald M, Behura SK, Spencer TE, Lonergan P, Fernandez-Fuertes B. Sperm exposure to accessory gland secretions alters the transcriptomic response of the endometrium in cattle. Theriogenology 2024; 218:26-34. [PMID: 38295677 DOI: 10.1016/j.theriogenology.2024.01.037] [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: 08/23/2023] [Revised: 01/25/2024] [Accepted: 01/28/2024] [Indexed: 03/01/2024]
Abstract
In cattle, mating to intact, but not vasectomised, bulls has been shown to modify the endometrial transcriptome, suggesting an important role of sperm in the modulation of the uterine environment in this species. However, it is not clear whether these changes are driven by intrinsic sperm factors, or by factors of accessory gland (AG) origin that bind to sperm at ejaculation. Therefore, the aim of the present study was to determine whether ejaculated sperm, which are suspended in the secretions of the AGs, elicit a different endometrial transcriptomic response than epididymal sperm, which have never been exposed to AG factors. To this end, bovine endometrial explants collected from heifers in oestrus were (co-)incubated for 6 h alone (control), or with epididymal sperm or ejaculated sperm, following which transcriptomic changes in the endometrium were evaluated. Epididymal sperm elicited a more dramatic endometrial response than ejaculated sperm, in terms of the number of differentially expressed genes (DEGs). Indeed, RNA-sequencing data analysis revealed 1912 DEGs in endometrial explants exposed to epididymal sperm compared with control explants, whereas 115 DEGs were detected between endometrial explants exposed to ejaculated sperm in comparison to control explants. The top pathways associated with genes upregulated by epididymal sperm included T cell regulation and TNF, NF-KB and IL17 signalling. Interestingly, ejaculated sperm induced downregulation of genes associated with T cell immunity and Th17 differentiation, and upregulation of genes involved in NF-KB signalling, in comparison to epididymal sperm. These data indicate that factors of AG origin modulate the interaction between sperm and the endometrium in cattle.
Collapse
Affiliation(s)
- José María Sánchez
- Department of Animal Reproduction, National Institute for Agriculture and Food Research and Technology (INIA), Spanish National Research Council (CSIC), Madrid, Spain
| | - María Belén Rabaglino
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Sandra Bagés-Arnal
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Michael McDonald
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Susanta K Behura
- Division of Animal Sciences, University of Missouri, Columbia, MO, USA
| | - Thomas E Spencer
- Division of Animal Sciences, University of Missouri, Columbia, MO, USA
| | - Pat Lonergan
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Beatriz Fernandez-Fuertes
- Department of Animal Reproduction, National Institute for Agriculture and Food Research and Technology (INIA), Spanish National Research Council (CSIC), Madrid, Spain.
| |
Collapse
|
7
|
Catalini L, Burton M, Egeberg DL, Eskildsen TV, Thomassen M, Fedder J. In vivo effect of vaginal seminal plasma application on the human endometrial transcriptome: a randomized controlled trial. Mol Hum Reprod 2024; 30:gaae017. [PMID: 38733619 DOI: 10.1093/molehr/gaae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 04/04/2024] [Indexed: 05/13/2024] Open
Abstract
Studies in humans and animals suggest that seminal plasma, the acellular seminal fluid component, stimulates the endometrium to promote immune tolerance and facilitate implantation. We designed a randomized, double-blinded, placebo-controlled trial to investigate changes in the endometrial transcriptomic profile after vaginal application of seminal plasma. The study participants were randomized into two groups. Five women received a vaginal application of seminal plasma, and four received a placebo application with saline solution. The application was performed 2 days after HCG-triggered ovulation in an unstimulated cycle. After 5-8 days, an endometrial biopsy was collected to analyze differences in the endometrial transcriptomic profile using microarray analyses. A differential gene expression analysis and a gene set analysis were performed. The gene set enrichment analysis showed a positive enrichment of pathways associated with the immune response, cell viability, proliferation, and cellular movement. Moreover, pathways involved in implantation, embryo development, oocyte maturation, and angiogenesis were positively enriched. The differential gene expression analysis, after adjusting for multiple testing, showed no significantly differentially expressed genes between the two groups. A comparative analysis was also performed with similar studies conducted in other animals or in vitro using human endometrial cells. The comparative analysis showed that the effect of seminal plasma effect on the endometrium is similar in pigs, mice, and in vitro human endometrial cells. The present study provides evidence that seminal plasma might impact the endometrium during the implantation window, with potential to affect endometrial receptivity and embryo development.
Collapse
Affiliation(s)
- Laura Catalini
- Research Unit of Gynecology and Obstetrics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Centre of Andrology and Fertility Clinic, Department of Gynecology and Obstetrics, Odense University Hospital, Odense, Denmark
| | - Mark Burton
- Research Unit of Clinical Genetics, Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
- Clinical Genome Center, University of Southern Denmark & Region of Southern Denmark, Odense, Denmark
| | | | - Tilde V Eskildsen
- Research Unit of Gynecology and Obstetrics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Centre of Andrology and Fertility Clinic, Department of Gynecology and Obstetrics, Odense University Hospital, Odense, Denmark
| | - Mads Thomassen
- Research Unit of Clinical Genetics, Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
- Clinical Genome Center, University of Southern Denmark & Region of Southern Denmark, Odense, Denmark
| | - Jens Fedder
- Research Unit of Gynecology and Obstetrics, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Centre of Andrology and Fertility Clinic, Department of Gynecology and Obstetrics, Odense University Hospital, Odense, Denmark
| |
Collapse
|
8
|
Miller DJ. Sperm in the Mammalian Female Reproductive Tract: Surfing Through the Tract to Try to Beat the Odds. Annu Rev Anim Biosci 2024; 12:301-319. [PMID: 37906840 PMCID: PMC11149062 DOI: 10.1146/annurev-animal-021022-040629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Mammalian sperm are deposited in the vagina or the cervix/uterus at coitus or at artificial insemination, and the fertilizing sperm move through the female reproductive tract to the ampulla of the oviduct, the site of fertilization. But the destination of most sperm is not the oviduct. Most sperm are carried by retrograde fluid flow to the vagina, are phagocytosed, and/or do not pass barriers on the pathway to the oviduct. The sperm that reach the site of fertilization are the exceptions and winners of one of the most stringent selection processes in nature. This review discusses the challenges sperm encounter and how the few sperm that reach the site of fertilization overcome them. The sperm that reach the goal must navigate viscoelastic fluid, swim vigorously and cooperatively along the walls of the female tract, avoid the innate immune system, and respond to potential cues to direct their movement.
Collapse
Affiliation(s)
- David J Miller
- Department of Animal Sciences and Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA;
| |
Collapse
|
9
|
Velez C, Williamson D, Cánovas ML, Giai LR, Rutland C, Pérez W, Barbeito CG. Changes in Immune Response during Pig Gestation with a Focus on Cytokines. Vet Sci 2024; 11:50. [PMID: 38275932 PMCID: PMC10819333 DOI: 10.3390/vetsci11010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/28/2023] [Accepted: 01/08/2024] [Indexed: 01/27/2024] Open
Abstract
Pigs have the highest percentage of embryonic death not associated with specific diseases of all livestock species, at 20-45%. During gestation processes, a series of complex alterations can arise, including embryonic migration and elongation, maternal immunological recognition of pregnancy, and embryonic competition for implantation sites and subsequent nutrition requirements and development. Immune cells and cytokines act as mediators between other molecules in highly complex interactions between various cell types. However, other non-immune cells, such as trophoblast cells, are important in immune pregnancy regulation. Numerous studies have shed light on the crucial roles of several cytokines that regulate the inflammatory processes that characterize the interface between the fetus and the mother throughout normal porcine gestation, but most of these reports are limited to the implantational and peri-implantational periods. Increase in some proinflammatory cytokines have been found in other gestational periods, such as placental remodeling. Porcine immune changes during delivery have not been studied as deeply as in other species. This review details some of the immune system cells actively involved in the fetomaternal interface during porcine gestation, as well as the principal cells, cytokines, and molecules, such as antibodies, that play crucial roles in sow pregnancy, both in early and mid-to-late gestation.
Collapse
Affiliation(s)
- Carolina Velez
- Laboratory of Histology, Faculty of Veterinary Science, National University of La Pampa (UNLPam), Santa Rosa 6300, Argentina; (C.V.); (D.W.); (L.R.G.)
- National Scientific and Technical Research Council of Argentina (CONICET), Buenos Aires 2690, Argentina;
| | - Delia Williamson
- Laboratory of Histology, Faculty of Veterinary Science, National University of La Pampa (UNLPam), Santa Rosa 6300, Argentina; (C.V.); (D.W.); (L.R.G.)
| | - Mariela Lorena Cánovas
- Laboratory of Histology, Faculty of Veterinary Science, National University of La Pampa (UNLPam), Santa Rosa 6300, Argentina; (C.V.); (D.W.); (L.R.G.)
| | - Laura Romina Giai
- Laboratory of Histology, Faculty of Veterinary Science, National University of La Pampa (UNLPam), Santa Rosa 6300, Argentina; (C.V.); (D.W.); (L.R.G.)
| | - Catrin Rutland
- Sutton Bonington Campus, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK
| | - William Pérez
- Department of Veterinary Anatomy, University of Montevideo, Montevideo 11600, Uruguay
| | - Claudio Gustavo Barbeito
- National Scientific and Technical Research Council of Argentina (CONICET), Buenos Aires 2690, Argentina;
- Laboratory of Descriptive, Comparative and Experimental Histology and Embriology (LHYEDEC), Department of Basic Sciences, Faculty of Veterinary Science, National University of La Plata (UNLP), La Plata 1900, Argentina
| |
Collapse
|
10
|
Shen Q, Wu X, Chen J, He C, Wang Z, Zhou B, Zhang H. Immune Regulation of Seminal Plasma on the Endometrial Microenvironment: Physiological and Pathological Conditions. Int J Mol Sci 2023; 24:14639. [PMID: 37834087 PMCID: PMC10572377 DOI: 10.3390/ijms241914639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Seminal plasma (SP) accounts for more than 90% of semen volume. It induces inflammation, regulates immune tolerance, and facilitates embryonic development and implantation in the female reproductive tract. In the physiological state, SP promotes endometrial decidualization and causes changes in immune cells such as macrophages, natural killer cells, regulatory T cells, and dendritic cells. This leads to the secretion of cytokines and chemokines and also results in the alteration of miRNA profiles and the expression of genes related to endometrial tolerance and angiogenesis. Together, these changes modulate the endometrial immune microenvironment and contribute to implantation and pregnancy. However, in pathological situations, abnormal alterations in SP due to advanced age or poor diet in men can interfere with a woman's immune adaptation to pregnancy, negatively affecting embryo implantation and even the health of the offspring. Uterine pathologies such as endometriosis and endometritis can cause the endometrium to respond negatively to SP, which can further contribute to pathological progress and interfere with conception. The research on the mechanism of SP in the endometrium is conducive to the development of new targets for intervention to improve reproductive outcomes and may also provide new ideas for semen-assisted treatment of clinical infertility.
Collapse
Affiliation(s)
- Qiuzi Shen
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (Q.S.); (X.W.); (J.C.); (C.H.)
| | - Xiaoyu Wu
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (Q.S.); (X.W.); (J.C.); (C.H.)
| | - Jin Chen
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (Q.S.); (X.W.); (J.C.); (C.H.)
| | - Chao He
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (Q.S.); (X.W.); (J.C.); (C.H.)
| | - Zehao Wang
- School of Management, Huazhong University of Science and Technology, Wuhan 430074, China;
| | - Boyan Zhou
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (Q.S.); (X.W.); (J.C.); (C.H.)
| | - Huiping Zhang
- Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (Q.S.); (X.W.); (J.C.); (C.H.)
| |
Collapse
|
11
|
Pascottini OB, Aurich C, England G, Grahofer A. General and comparative aspects of endometritis in domestic species: A review. Reprod Domest Anim 2023; 58 Suppl 2:49-71. [PMID: 37191856 DOI: 10.1111/rda.14390] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/28/2023] [Accepted: 05/15/2023] [Indexed: 05/17/2023]
Abstract
Endometritis is a leading cause of sub- and infertility in domestic animal species. The healthy uterus is colonized by commensal bacteria, viruses and yeast/fungi that represent the nonpathogenic microbiota. A shift in the number or type of organisms accompanied by immune dysfunction, however, may trigger uterine infection and inflammation. Metritis is associated with inflammation of all uterine layers (endometrium, myometrium and perimetrium), whereas endometritis is a more superficial inflammation involving solely the endometrium. Endometritis generally occurs at two time points in domestic animal species, postpartum and postmating. Postpartum endometritis may chronically persist, either as a low-grade disease that often manifests as a vaginal discharge but not a systemic illness (in some species termed clinical endometritis) or sometimes subclinical where features are only detected by endometrial sampling. Contamination of the uterus at the time of mating occurs by direct deposition of semen (ejaculated or artificially inseminated) into the uterus. Improper drainage of the ejaculatory fluid or an inadequate immune response may result in persistent mating-induced endometritis. Both postpartum and postmating endometritis interferes with fertility by creating a suboptimal environment for embryo development and placentation, and chronic endometritis may have an impact on sperm survival and fertilization ability. In the postpartum animal, there may also be changes in milk production and maternal behaviour, which can affect offspring health and survival. Preventive strategies for endometritis largely depend on monitoring their known risk factors, which are sometimes specific with regard to the species. Effective, nonantibiotic therapy for endometritis is not available to date. Overall, extensive research has been performed in cattle and horses to unravel key aspects of endometritis, but in sows and bitches, the available literature is scant. Thus, the need and opportunity to investigate the condition vary considerably among domestic species and necessitate their comparative assessment. This article reviews general and comparative aspects of the diagnosis and classification, pathogenesis, preventive strategies and therapeutics of endometritis in domestic species with a specific focus on cows, mares, sows and bitches.
Collapse
Affiliation(s)
- O Bogado Pascottini
- Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - C Aurich
- Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, Vetmeduni Vienna, Vienna, Austria
| | - G England
- School of Veterinary Medicine and Science, University of Nottingham, Leicestershire, UK
| | - A Grahofer
- Clinic for Swine, Department for Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| |
Collapse
|
12
|
Choudhary P, Magloire D, Hamonic G, Wilson HL. Immune responses in the uterine mucosa: clues for vaccine development in pigs. Front Immunol 2023; 14:1171212. [PMID: 37483639 PMCID: PMC10361056 DOI: 10.3389/fimmu.2023.1171212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 06/16/2023] [Indexed: 07/25/2023] Open
Abstract
The immune system in the upper reproductive tract (URT) protects against sexually transmitted pathogens, while at the same time providing immune tolerance responses against allogenic sperm and the developing fetus. The uterine environment is also responsive to hormonal variations during the estrus cycle, although the most likely timing of exposure to pathogens is during estrus and breeding when the cervix is semi-permissive. The goal for intrauterine immunization would be to induce local or systemic immunity and/or to promote colostral/lactogenic immunity that will passively protect suckling offspring. The developing fetus is not the vaccine target. This minireview article focuses on the immune response induced in the pig uterus (uterine body and uterine horns) with some comparative references to other livestock species, mice, and humans.
Collapse
Affiliation(s)
- Pooja Choudhary
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, SK, Canada
| | - Donaldson Magloire
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, SK, Canada
- Department of Veterinary Microbiology Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Glenn Hamonic
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, SK, Canada
| | - Heather L. Wilson
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, SK, Canada
- Department of Veterinary Microbiology Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| |
Collapse
|
13
|
Ezz MA, Mansouri A, Akthar I, Yousef MS, Kowsar R, Miyamoto A. Hyaluronan regulates sperm-induced inflammatory response by enhancing sperm attachment to bovine endometrial epithelial cells via CD44: in-silico and in-vitro approaches. Front Endocrinol (Lausanne) 2023; 14:1134868. [PMID: 37234812 PMCID: PMC10206253 DOI: 10.3389/fendo.2023.1134868] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 04/18/2023] [Indexed: 05/28/2023] Open
Abstract
Recently, we reported that sperm induce cluster of differentiation 44 (CD44) expression and Toll-like receptor 2 (TLR2)-mediated inflammatory response in bovine uterus. In the present study, we hypothesized that the interaction between CD44 of bovine endometrial epithelial cells (BEECs) and hyaluronan (HA) affects sperm attachment and thereby enhancing TLR2-mediated inflammation. To test our hypothesis, at first, in-silico approaches were employed to define the binding affinity of HA for CD44 and TLR2. Further, an in-vitro experiment using the sperm-BEECs co-culture model was applied to investigate the effect of HA on sperm attachment and inflammatory response. Here, low molecular weight (LMW) HA at different concentrations (0, 0.1, 1, or 10 µg/mL) was incubated with BEECs for 2 h followed by the co-culture without- or with non-capacitated washed sperm (106/ml) for additional 3 h was performed. The present in-silico model clarified that CD44 is a high-affinity receptor for HA. Moreover, TLR2 interactions with HA oligomer (4- and 8-mers) target a different subdomain (h-bonds) compared to TLR2-agonist (PAM3) which targets a central hydrophobic pocket. However, the interaction of LMW HA (32-mers) with TLR2 revealed no stability of HA at any pocket of TLR2. Notably, the immunofluorescence analysis revealed the HA localization in both endometrial stroma and epithelia of ex-vivo endometrial explant. Moreover, ELISA showed significant levels of HA in BEECs culture media. Importantly, BEECs pretreatment with HA prior to sperm exposure increased the number of attached sperm to BEECs, and upregulated the transcriptional levels of pro-inflammatory genes (TNFA, IL-1B, IL-8, and PGES) in BEECs in response to sperm. However, BEECs treated with HA only (no sperm exposure) did not show any significant effect on the transcript abundance of pro-inflammatory genes when compared to the non-treated BEECs. Altogether, our findings strongly suggest a possible cross-talk between sperm and endometrial epithelial cells via HA and HA binding receptors (CD44 and TLR2) to induce a pro-inflammatory response in bovine uterus.
Collapse
Affiliation(s)
- Mohamed Aboul Ezz
- Global Agromedicine Research Center (GAMRC), Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Department of Theriogenology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Alireza Mansouri
- Global Agromedicine Research Center (GAMRC), Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Ihshan Akthar
- Global Agromedicine Research Center (GAMRC), Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Mohamed Samy Yousef
- Global Agromedicine Research Center (GAMRC), Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Department of Theriogenology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt
| | - Rasoul Kowsar
- Department of Animal Sciences, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | - Akio Miyamoto
- Global Agromedicine Research Center (GAMRC), Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| |
Collapse
|
14
|
Fernandez-Fuertes B. Review: The role of male reproductive tract secretions in ruminant fertility. Animal 2023; 17 Suppl 1:100773. [PMID: 37567680 DOI: 10.1016/j.animal.2023.100773] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 03/02/2023] [Accepted: 03/06/2023] [Indexed: 08/13/2023] Open
Abstract
Male fertility largely depends on the ability to produce sperm that can transmit the paternal information onto the next generation. However, the factors that are critical for sperm function and the subsequent development of healthy offspring are still not completely understood in ruminants. Importantly, sperm function is not completely encoded by germ cell DNA, but rather, depends on sequential acquisition, loss, and modification of elements through interaction with secretions from the testes, epididymides, and accessory glands (collectively termed seminal plasma). In addition, these secretions can play a role in the inheritance of paternal environmental effects by progeny. This is likely achieved directly, by the regulation of sperm epigenetic effectors, and indirectly, by altering the female environment in which the individual develops. This review will provide an overview of the different organs that contribute to seminal plasma in ruminants, and summarise how their secretions shape sperm function and modulate the female reproductive tract. Finally, some consideration will be given to the potential of paternal factors to affect embryo development and offspring health in ruminants.
Collapse
Affiliation(s)
- B Fernandez-Fuertes
- Department of Animal Reproduction, National Institute for Agriculture and Food Research and Technology (INIA), Spanish National Research Council (CSIC), Madrid, Spain.
| |
Collapse
|
15
|
Warr S, Pini T, de Graaf SP, Rickard JP. Molecular insights to the sperm-cervix interaction and the consequences for cryopreserved sperm. Biol Reprod 2023; 108:183-196. [PMID: 36191077 DOI: 10.1093/biolre/ioac188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/13/2022] Open
Abstract
Cryopreserved ram spermatozoa are limited in their capacity to traverse the ovine cervix and achieve fertilization. This altered interaction may be related to modified molecular communication between frozen-thawed ram spermatozoa, seminal plasma, and the female tract. As such, this review aims to identify the biological processes which underpin sperm maturation and transport throughout the female reproductive tract to elucidate factors which may alter this natural process in cryopreserved ram spermatozoa. We also assess critical barriers to ram spermatozoa specific to the ovine cervix and the role of seminal plasma in mitigating these barriers. Transcriptomics is explored as a new approach to understand the sperm-cervix interaction. Recent studies have demonstrated that both spermatozoa and seminal plasma contain a complex profile of coding and non-coding RNAs. These molecular species have clear links with functional fertility, and mounting evidence suggests they may be altered by cryopreservation. Emerging in vitro cell culture models are also investigated as a "next step" in studying this interaction, utilizing transcriptomics to identify subtle changes in female tract gene expression in response to spermatozoa. The application of such models is proposed as an exciting opportunity to investigate the unique challenges faced by cryopreserved spermatozoa traversing the ovine cervix prior to fertilization.
Collapse
Affiliation(s)
- Sophie Warr
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Sydney, NSW, Australia
| | - Taylor Pini
- School of Veterinary Science, The University of Queensland, Gatton, QLD, Australia
| | - Simon P de Graaf
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Sydney, NSW, Australia
| | - Jessica P Rickard
- School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, Sydney, NSW, Australia
| |
Collapse
|
16
|
Seminal extracellular vesicles subsets modulate gene expression in cumulus cells of porcine in vitro matured oocytes. Sci Rep 2022; 12:19096. [PMID: 36351965 PMCID: PMC9646759 DOI: 10.1038/s41598-022-22004-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 10/07/2022] [Indexed: 11/10/2022] Open
Abstract
Seminal plasma (SP), a fluid composed mainly by secretions from accessory sex glands, contains a heterogenous population of extracellular vesicles (EVs), involved in several reproductive physiological processes. Seminal plasma has been found to modulate ovary function, in terms of hormone secretion and immune regulation. This study evaluated the potential effect of SP-EV-subsets on the modulation of cumulus-oocyte-complex (COCs) physiology during in vitro maturation (IVM). Two SP-EV-subsets, small-EVs (S-EVs) and large-EVs (L-EVs), were isolated from pig SP by size-exclusion-chromatography. Next, COCs were IVM in the absence (control) or presence of each SP-EV-subset to evaluate their uptake by COCs (PKH67-EVs labelling) and their effect on oocyte and cumulus cells (CCs) (gene expression, and progesterone and estradiol-17β levels). S-EVs and L-EVs were able to bind CCs but not oocytes. Supplementation with L-EVs induced changes (P ≤ 0.05) in the transcript levels of oocyte maturation- (HAS2) and steroidogenesis-related genes (CYP11A1 and HSD3B1) in CCs. No effect on nuclear oocyte maturation and progesterone and estradiol-17β levels was observed when COCs were IVM with any of the two SP-EV-subsets. In conclusion, while SP-EV-subsets can be integrated by CCs during IVM, they do not affect oocyte maturation and only L-EVs are able to modulate CCs function, mainly modifying the expression of steroidogenesis-related genes.
Collapse
|
17
|
Parrilla I, Gil MA, Cuello C, Cambra JM, Gonzalez‐Plaza A, Lucas X, Vazquez JL, Vazquez JM, Rodriguez‐Martinez H, Martinez EA. Immunological uterine response to pig embryos before and during implantation. Reprod Domest Anim 2022; 57 Suppl 5:4-13. [PMID: 35500162 PMCID: PMC9790529 DOI: 10.1111/rda.14142] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/26/2022] [Accepted: 04/29/2022] [Indexed: 12/30/2022]
Abstract
The establishment of a successful pregnancy can only occur through a concerted functioning of the entire female reproductive system, allowing for fertilization, subsequent embryo development and implantation of the conceptus. In this context, the uterine immunological responses responsible for rejection or tolerance of the conceptus are of critical importance. The aim of the present review is to summarize our current knowledge about those cellular and molecular immunological events occurring at the uterine level during pre-implantation and implantation stages of pregnancy in the pig. Advancing our understanding of the immune mechanisms involved in the success or failure of pregnancy will provide cues to develop novel strategies augmenting endometrial receptivity, finally increasing the efficiency of assisted reproductive technologies in pigs.
Collapse
Affiliation(s)
- Inmaculada Parrilla
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Maria Antonia Gil
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Cristina Cuello
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Josep M. Cambra
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Alejandro Gonzalez‐Plaza
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Xiomara Lucas
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Jose L. Vazquez
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | - Juan M. Vazquez
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| | | | - Emilio A. Martinez
- Department of Medicine and Animal SurgeryFaculty of Veterinary MedicineInternational Excellence Campus for Higher Education and Research “Campus Mare Nostrum”University of MurciaMurciaSpain,Institute for Biomedical Research of Murcia (IMIB‐Arrixaca)El Palmar, MurciaSpain
| |
Collapse
|
18
|
Snider AP, McCarthy KL, Wright-Johnson EC, Ondrak JD, Oliver WT, Dahlen CR, Cushman RA, Crouse MS. Yearling bulls have reduced sperm concentration and increased seminal plasma interleukin-8 after a 28-day breeding season. Reprod Domest Anim 2022; 57:1465-1473. [PMID: 35925034 DOI: 10.1111/rda.14223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/01/2022] [Indexed: 11/28/2022]
Abstract
We hypothesized that yearling bulls selected for a 28-d breeding season would have reduced sperm concentrations, morphology, and have increased seminal plasma concentrations of pro-inflammatory cytokine interleukin-8 (IL-8). Yearling bulls were selected based on a breeding soundness examination at approximately 415-d of age and contained at least 750 million sperm in the ejaculate, with 12 bulls randomly selected for breeding (BREEDERS) and 12 bulls not selected for breeding (NON-BREEDERS). After a 28-d breeding period, all bulls underwent a breeding soundness exam. Plasma and seminal plasma were collected at each time point for analysis. Data were analyzed utilizing either the MIXED or GLIMMIX procedures with repeated measures in SAS with breeding group, age, and the interaction as fixed effects. Sperm concentration per ml of ejaculate was reduced (P<0.05) in yearling bulls used for breeding compared with those not used for breeding at the end of the breeding season. Seminal plasma IL-8 concentrations in yearling bulls used for breeding were increased (P<0.05) after the breeding season compared to bulls not used for breeding. Taken together, yearling bulls selected for a 28-d breeding season have reduced sperm production per ml of an ejaculate and increased inflammatory response in the seminal plasma that can lead to impaired breeding response if they are to be used for more than 30-d of breeding.
Collapse
Affiliation(s)
- Alexandria P Snider
- USDA, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - Kacie L McCarthy
- Department of Animal Science, University of Nebraska-Lincoln, Lincoln, NE, United States
| | - Elane C Wright-Johnson
- USDA, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - Jeffrey D Ondrak
- USDA, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - William T Oliver
- USDA, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - Carl R Dahlen
- Department of Animal Science, North Dakota State University, Fargo, North Dakota, United States
| | - Robert A Cushman
- USDA, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE, United States
| | - Matthew S Crouse
- USDA, Agricultural Research Service, U.S. Meat Animal Research Center, Clay Center, NE, United States
| |
Collapse
|
19
|
Composition and effects of seminal plasma in the female reproductive tracts on implantation of human embryos. Biomed Pharmacother 2022; 151:113065. [PMID: 35550527 DOI: 10.1016/j.biopha.2022.113065] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 11/21/2022] Open
Abstract
The function of seminal plasma involves acting as a transport medium for sperm and as a means of communication between the reproductive tissues of the male and female. It is also a vital factor to prime the reproductive tracts of the female for optimal pregnancy. When the reproductive tract of the female is exposed to seminal plasma, serious alterations take place, enhancing pathogen and debris clearance observed in the uterus throughout mating. It is also capable of supporting embryo growth, promoting the receptivity of the uterus, and establishing tolerance to the semi-allogenic embryo. Moreover, seminal plasma is capable of regulating the functions of several female reproductive organs and providing an ideal condition for effective embryo implantation and pregnancy. It is believed that the health state of the offspring is affected by exposure to seminal plasma. For the treatment of infertility, assisted reproductive technologies have been extensively employed. The application of seminal plasma as a therapeutic approach to enhance the development of embryo competency and rate of implantation, receptivity of endometrium, and establishment of maternal immune tolerance in cycles of ART appears possible. Herein, current knowledge on the composition of seminal plasma and the physiological roles it possesses on various parts of the female reproductive tract are summarized. Moreover, the role of seminal plasma in the development of embryos, implantation, and the following fetal growth and survival have been reviewed in this article.
Collapse
|
20
|
Ruiz S, Gardón JC, Hernández-Caravaca I, Luongo C, García-Vázquez FA. Analysis of Uterine Blood Flow in Breeding Sows through the Estrus and Early Diestrus, and after Artificial Insemination. Vet Sci 2022; 9:vetsci9060260. [PMID: 35737312 PMCID: PMC9228517 DOI: 10.3390/vetsci9060260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 05/21/2022] [Accepted: 05/24/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to determine uterine blood flow indices by transabdominal Doppler ultrasound in sows (n = 18) under different conditions: (i) sows after estrus detection (day 0, D0); (ii) sows 2 h after artificial insemination (AI), performed 24 h after detection of estrus (day 1, D1); (iii) sows in early diestrus (day 5, D5). Moreover, three different types of seminal doses were used for AI depending on the ejaculate fraction included (F1: doses containing only the rich fraction of the ejaculate; F2: F1 + the transition fraction between rich and poor fractions; F3: F2 and poor fraction). The statistical analysis revealed significant differences in some indices regarding the period of analysis (D0, D1, and D5). Diastolic velocity and mean velocity showed lower values at D5 in comparison with D0 and D1 (p < 0.01). On the other hand, the pulsatility index and the relationship systolic velocity/diastolic velocity indicated higher values at D5 in comparison with D0 and D1 (p < 0.01). No differences were observed regarding the type of seminal dose used in any of the time points analyzed (p > 0.05). Neither insemination per se nor the type of ejaculate fraction used immediately modified the uterine vascularity, but some indices are affected by the stage of the estrus cycle (estrus vs. early diestrus).
Collapse
Affiliation(s)
- Salvador Ruiz
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, 30100 Murcia, Spain; (S.R.); (C.L.)
- Instituto Murciano de Investigación Biosanitaria Hospital Virgen de la Arrixaca (IMIB-Virgen de la Arrixaca), 30120 Murcia, Spain;
| | - Juan Carlos Gardón
- Department of Animal Medicine and Surgery, Faculty of Veterinary and Experimental Sciences, Catholic University of Valencia-San Vicente Mártir, Guillem de Castro 106, 46003 Valencia, Spain;
| | - Iván Hernández-Caravaca
- Instituto Murciano de Investigación Biosanitaria Hospital Virgen de la Arrixaca (IMIB-Virgen de la Arrixaca), 30120 Murcia, Spain;
- Departamento de Enfermería Comunitaria, Medicina Preventiva y Salud Pública e Historia de la Ciencia, Facultad Ciencias de la Salud, Campus de Sant Vicent del Raspeig, E-03080 Sant Vicent del Raspeig, Spain
| | - Chiara Luongo
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, 30100 Murcia, Spain; (S.R.); (C.L.)
| | - Francisco Alberto García-Vázquez
- Departamento de Fisiología, Facultad de Veterinaria, Campus de Excelencia Mare Nostrum Universidad de Murcia, 30100 Murcia, Spain; (S.R.); (C.L.)
- Instituto Murciano de Investigación Biosanitaria Hospital Virgen de la Arrixaca (IMIB-Virgen de la Arrixaca), 30120 Murcia, Spain;
- Correspondence:
| |
Collapse
|
21
|
Should All Fractions of the Boar Ejaculate Be Prepared for Insemination Rather Than Using the Sperm Rich Only? BIOLOGY 2022; 11:biology11020210. [PMID: 35205077 PMCID: PMC8869087 DOI: 10.3390/biology11020210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 12/14/2022]
Abstract
Simple Summary The swine industry is constantly looking for efficiency improvement, especially focusing on the artificial insemination (AI) process. One of the trends in AI centers is to maximize the number of doses obtained from one ejaculate. Seminal doses are usually prepared with the sperm-rich fraction or the whole ejaculate, but further studies are needed to understand how to prepare them properly. Thus, this study aims to analyze how accumulative ejaculate fractions may influence sperm storage, AI performance, and offspring. The results indicate that the presence of all ejaculate fractions within seminal doses does not affect either sperm quality or AI performance and offspring health. Therefore, this study highlights the possibility to use the bulk ejaculate for seminal dose preparation, leading to successful AI. Additionally, it results in a more time-efficient preparation of a greater number of seminal doses providing an economic advantage. Abstract Boar ejaculate is released in several well-characterized fractions, differing in terms of sperm concentration, seminal plasma volume, and composition. However, the inclusion of the last part of the ejaculate for artificial insemination (AI) purposes is still under debate due to its controversial effects. Thus, there is a need to study the potential synergistic impact of the different ejaculate fractions. We aimed to evaluate the effect of accumulative ejaculate fractions on sperm conservation, AI performance, and offspring health. Ejaculates (n = 51) were collected and distributed as follows: F1: sperm-rich fraction; F2: sperm-rich + intermediate fractions; F3: sperm-rich + intermediate + poor fractions. Each group was diluted in a commercial extender, packaged in seminal doses (2000 × 106 sperm/60 mL), and stored at ~16 °C. On day 3 of conservation, sperm were analyzed and used for AI (n = 174). High sperm quality was observed after storage without a significant difference between the groups (p > 0.05). Moreover, no differences were obtained for AI performance (pregnancy and farrowing rates, and litter size; p > 0.05) and offspring health (growth and blood analysis; p > 0.05). Conclusively, the presence of all ejaculate fractions within the seminal doses does not impair the reproductive performance, reporting important economic savings according to the economic model included here.
Collapse
|
22
|
Robertson SA, Martin GB. Perspective: Re-defining “Pheromone” in a Mammalian Context to Encompass Seminal Fluid. Front Vet Sci 2022; 8:819246. [PMID: 35127886 PMCID: PMC8811212 DOI: 10.3389/fvets.2021.819246] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/28/2021] [Indexed: 01/21/2023] Open
Abstract
The classical view of “pheromone”—an air-borne chemical signal—is challenged by the camelids in which ovulation is triggered by ß-nerve growth factor carried in seminal plasma, effectively extending the pheromone concept to a new medium. We propose further extension of “pheromone” to include a separate class of seminal fluid molecules that acts on the female reproductive tract to enhance the prospect of pregnancy. These molecules include transforming growth factor-ß, 19-OH prostaglandins, various ligands of Toll-like receptor-4 (TLR4), and cyclic ADP ribose hydrolase (CD38). They modulate the immune response to “foreign” male-derived histocompatibility antigens on both sperm and the conceptus, determine pre-implantation embryo development, and then promote implantation by increasing uterine receptivity to the embryo. The relative abundance of these immunological molecules in seminal plasma determines the strength and quality of the immune tolerance that is generated in the female. This phenomenon has profound implications in reproductive biology because it provides a pathway, independent of the fertilizing sperm, by which paternal factors can influence the likelihood of reproductive success, as well as the phenotype and health status of offspring. Moreover, the female actively participates in this exchange—information in seminal fluid is subject to “cryptic female choice,” a process by which females interrogate the reproductive fitness of prospective mates and invest reproductive resources accordingly. These processes participate in driving the evolution of male accessory glands, ensuring optimal female reproductive investment and maximal progeny fitness. An expanded pheromone concept will avoid a constraint in our understanding of mammalian reproductive biology.
Collapse
Affiliation(s)
- Sarah A. Robertson
- The Robinson Research Institute, Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Graeme B. Martin
- UWA School of Agriculture and Environment, UWA Institute of Agriculture, University of Western Australia, Crawley, WA, Australia
- *Correspondence: Graeme B. Martin
| |
Collapse
|
23
|
Kontsevaya GV, Gerlinskaya LA, Moshkin YM, Anisimova MV, Stanova AK, Babochkina TI, Moshkin MP. The Effects of Sperm and Seminal Fluid of Immunized Male Mice on In Vitro Fertilization and Surrogate Mother-Embryo Interaction. Int J Mol Sci 2021; 22:ijms221910650. [PMID: 34638989 PMCID: PMC8508670 DOI: 10.3390/ijms221910650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
The latest vaccination campaign has actualized the potential impact of antigenic stimuli on reproductive functions. To address this, we mimicked vaccination’s effects by administering keyhole limpet hemocyanin (KLH ) to CD1 male mice and used their sperm for in vitro fertilization (IVF). Two-cell embryos after IVF with spermatozoa from control (C) or KLH-treated (Im) male mice were transferred to surrogate mothers mated with vasectomized control (C) or KLH-treated (Im) male mice, resulting in four experimental groups: C–C, Im–C, C–Im, and Im–Im. The pre-implantation losses were significantly lower in the Im–C group than in the C–Im group. At the same time, the resorption rates reduced markedly in the C–Im compared to the Im–C group. Embryo and placenta weights were significantly higher in the Im–Im group. Although the GM-CSF levels were lower in the amniotic fluid of the gestating surrogate mothers in the Im–Im group, they were strongly correlated with embryo mass. The number–size trade-off was only significant in the Im–Im group. This suggests a positive, cooperative effect of spermatozoa and seminal fluid from immune-primed males on embryo growth and the optimal distribution of surrogate mother maternal resources despite the negative impact of males’ antigenic challenge on the IVF success rate.
Collapse
Affiliation(s)
- Galina Vladimirovna Kontsevaya
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
| | - Ludmila Alekseevna Gerlinskaya
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
- Correspondence: (L.A.G.); (T.I.B.)
| | - Yury Mikhailovich Moshkin
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
| | - Margarita Vladimirovna Anisimova
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
| | - Aliya Konstantinovna Stanova
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
| | - Tatyana Ivanovna Babochkina
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
- Correspondence: (L.A.G.); (T.I.B.)
| | - Mikhail Pavlovich Moshkin
- Federal Research Center Institute of Cytology and Genetics, Siberian Branch of RAS, 630090 Novosibirsk, Russia; (G.V.K.); (Y.M.M.); (M.V.A.); (A.K.S.); (M.P.M.)
- Biological Institute at Tomsk State University, 634050 Tomsk, Russia
| |
Collapse
|
24
|
Padilla L, López-Arjona M, Martinez-Subiela S, Rodriguez-Martinez H, Roca J, Barranco I. Oxytocin in pig seminal plasma is positively related with in vivo fertility of inseminated sows. J Anim Sci Biotechnol 2021; 12:101. [PMID: 34511116 PMCID: PMC8436503 DOI: 10.1186/s40104-021-00620-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/12/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Identification of relevant in vivo biomarkers for fertility remains a challenge for the livestock industry. Concentrations of the small peptide hormone oxytocin (OXT), involved in male reproductive function and present in the seminal plasma (SP) of several species could be a robust one. This study characterized concentrations of SP-OXT in ejaculates from boars used in artificial insemination (AI) programs aiming to evaluate its relationship with sperm quality variables and in vivo fertility of their liquid-stored AI-semen. Seminal OXT concentrations (ng/mL) were measured in 169 ejaculates from 61 boars of the Duroc, Pietrain, Landrace and Large White breeds using a direct competitive immunoassay test based on AlphaLISA® technology. Ejaculate (ejaculate volume, sperm concentration, total sperm count) and sperm parameters (motility, viability, intracellular generation of reactive oxygen species, plasma membrane fluidity) were assessed at 0 h and 72 h in AI-semen samples stored at 17 °C. In vivo fertility included only 18 Large White and Landrace boars whose AI-semen was used to inseminated > 100 sows and evaluated both farrowing rate and litter size of 3,167 sows. RESULTS The results showed that SP-OXT differed between boars and between ejaculates within boar (P < 0.05) but not between breeds (Duroc, Pietrain, Landrace and Large White). Ejaculates with higher SP-OXT concentration/mL (hierarchically grouped; P < 0.001) had larger volume and came from younger boars (P < 0.05). Ejaculates of boars showing positive farrowing rate deviation exhibited higher (P < 0.05) SP-OXT concentration/mL than those with negative farrowing rate deviation. CONCLUSION The SP concentrations of OXT are boar, ejaculate and age dependent, and positively related with ejaculate volume and farrowing rates of liquid-stored semen AI-doses.
Collapse
Affiliation(s)
- Lorena Padilla
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, University of Murcia, E-30100, Murcia, Spain
| | - Marina López-Arjona
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, University of Murcia, E-30100, Murcia, Spain
| | - Silvia Martinez-Subiela
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, University of Murcia, E-30100, Murcia, Spain
| | - Heriberto Rodriguez-Martinez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185, Linköping, Sweden
| | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, University of Murcia, E-30100, Murcia, Spain.
| | - Isabel Barranco
- Department of Veterinary Medical Sciences, University of Bologna, IT-40064 Ozzano dell'Emilia, Bologna, Italy
| |
Collapse
|
25
|
Extracellular Reactive Oxygen Species (ROS) Production in Fresh Donkey Sperm Exposed to Reductive Stress, Oxidative Stress and NETosis. Antioxidants (Basel) 2021; 10:antiox10091367. [PMID: 34572999 PMCID: PMC8470534 DOI: 10.3390/antiox10091367] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/16/2021] [Accepted: 08/19/2021] [Indexed: 12/11/2022] Open
Abstract
Jenny shows a large endometrial reaction after semen influx to the uterus with a large amount of polymorphonuclear neutrophils (PMN) migrating into the uterine lumen. PMN act as a sperm selection mechanism through phagocytosis and NETosis (DNA extrudes and, together with proteins, trap spermatozoa). While a reduced percentage of spermatozoa are phagocytosed by PMN, most are found to be attached to neutrophil extracellular traps (NETs). This selection process together with sperm metabolism produces a large amount of reactive oxygen species (ROS) that influence the reproductive success. The present study aimed to determine the extracellular ROS production in both sperm and PMN. With this purpose, (1) donkey sperm were exposed to reductive and oxidative stresses, through adding different concentrations of reduced glutathione (GSH) and hydrogen peroxide (H2O2), respectively; and (2) PMN were subjected to NETosis in the presence of the whole semen, sperm, seminal plasma (SP) or other activators such as formyl-methionyl-leucyl-phenylalanine (FMLP). Extracellular ROS production (measured as H2O2 levels) was determined with the Amplex® Red Hydrogen Peroxide/Peroxidase Assay Kit. Donkey sperm showed more resilience to oxidative stress than to the reductive one, and GSH treatments led to greater H2O2 extracellular production. Moreover, not only did SP appear to be the main inducer of NETosis in PMN, but it was also able to maintain the extracellular H2O2 levels produced by sperm and NETosis.
Collapse
|
26
|
Mateo-Otero Y, Viñolas-Vergés E, Llavanera M, Ribas-Maynou J, Roca J, Yeste M, Barranco I. Aldose Reductase B1 in Pig Seminal Plasma: Identification, Localization in Reproductive Tissues, and Relationship With Quality and Sperm Preservation. Front Cell Dev Biol 2021; 9:683199. [PMID: 34169077 PMCID: PMC8217816 DOI: 10.3389/fcell.2021.683199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/18/2021] [Indexed: 01/17/2023] Open
Abstract
Aldose reductase B1 (AKR1B1), a NADPH-dependent enzyme that belongs to the aldo-keto reductase protein superfamily, has been reported to be involved in both male and female reproductive physiology. The objectives of this study were: (1) to evaluate the concentration of SP-AKR1B1 in pig ejaculate fractions; (2) to describe the immunohistochemical localization of AKR1B1 alongside the boar genital tract; (3) to evaluate the relationship between SP-AKR1B1 and sperm quality/functionality parameters. Ejaculates from seven boars (one ejaculate per boar) were collected in separate portions [the first 10 mL of the sperm rich fraction (SRF-P1), the rest of the SRF (SRF-P2), and the post-SRF (PSRF)], and the concentration of SP-AKR1B1 was assessed using an enzyme-linked immunosorbent assay (ELISA). Immunohistochemistry and immunoblotting targeting was conducted in the reproductive tissues of these boars. Additionally, the entire ejaculates of 14 boars (one ejaculate per boar) were collected and split into three separate aliquots for: (i) SP-AKR1B1 quantification; (ii) assessment of sperm concentration and morphology; and (iii) evaluation of sperm quality and functionality parameters upon ejaculate collection (0 h) and after 72 h of liquid storage at 17°C. Concentration of AKR1B1 in the SP of SRF-P1 (458.2 ± 116.33 ng/mL) was lower (P < 0.05) than that of SRF-P2 (1105.0 ± 229.80 ng/mL) and PSRF (1342.4 ± 260.18 ng/mL). Monomeric and dimeric AKR1B1 forms were expressed alongside the reproductive tissues, except in the bulbourethral glands. No relationship between SP-AKR1B1 and sperm quality/functionality parameters was observed either at 0 h or after 72 h of storage at 17°C. In conclusion, AKR1B1 is expressed in the reproductive organs of boars (except bulbourethral glands) and a higher concentration is found in the PSRF suggesting that seminal vesicles would be the main secretory source. However, this enzyme does not appear to be related to sperm quality/functionality or to the sperm ability to withstand liquid storage at 17°C.
Collapse
Affiliation(s)
- Yentel Mateo-Otero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Estel Viñolas-Vergés
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Marc Llavanera
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Jordi Ribas-Maynou
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, University of Murcia, Murcia, Spain
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Isabel Barranco
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| |
Collapse
|
27
|
Mateo-Otero Y, Zambrano F, Catalán J, Sánchez R, Yeste M, Miro J, Fernandez-Fuertes B. Seminal plasma, and not sperm, induces time and concentration-dependent neutrophil extracellular trap release in donkeys. Equine Vet J 2021; 54:415-426. [PMID: 33908643 DOI: 10.1111/evj.13457] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/12/2021] [Accepted: 04/03/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND In several mammalian species, acute endometritis driven by the recruitment of polymorphonuclear cells (PMN) occurs in response to semen. These PMNs release DNA to form neutrophil extracellular traps (NETs) in cattle, horse and human, leading to sperm entrapment. While there is no evidence of this phenomenon occurring in donkeys, artificial insemination (AI) with frozen-thawed semen, which results in very poor pregnancy rates, leads to a large PMN recruitment to the uterus. OBJECTIVES To investigate whether donkey semen can trigger NET release (NETosis) and if excessive NETosis occurs in response to frozen-thawed semen. STUDY DESIGN In vitro experiments. METHODS Jenny PMNs were exposed to jackass fresh or frozen-thawed semen, isolated sperm or seminal plasma (SP), over the course of three experiments. NET formation in response to different treatments was assessed through manual quantification of stained slides. A one-way analysis of variance (ANOVA), followed by a post hoc Sidak test, was carried out to determine statistical significance. RESULTS NET release occurred in a semen concentration- and incubation-time-dependent manner. Surprisingly, frozen-thawed donkey sperm did not increase NETosis rate in comparison with the control (23 ± 2.5% vs. 31 ± 3.7%; P > .05), whereas fresh semen exposure did (78 ± 5.7% vs. 26 ± 3.2%, P < .01). NETosis increased in the presence of SP, regardless of the presence or absence of sperm, in comparison with the control in both fresh (84 ± 5.2% and 77 ± 5.0% vs. 12 ± 2.7%, respectively; P < .01) and frozen (95 ± 2.2% and 94 ± 2.9% vs. 14 ± 3.8%, respectively; P < .01) samples. Moreover, exposure of PMN to viable and motile sperm, in the absence of SP, did not increase NETosis rates (P > .05). CONCLUSIONS Donkey SP, and not sperm-intrinsic factors, is able to trigger NETosis in both time- and semen concentration-dependent manner. The physiological relevance of such response against semen in the donkey remains to be elucidated.
Collapse
Affiliation(s)
- Yentel Mateo-Otero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Fabiola Zambrano
- Laboratory in Reproductive Medicine and Molecular Endocrinology, Center of Excellence in Translational Medicine-Scientific and Technological Bioresource Nucleus (CEMT - BIOREN), Universidad de La Frontera, Temuco, Chile.,Department of Preclinical Sciences, Faculty of Medicine, University of La Frontera, Temuco, Chile
| | - Jaime Catalán
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain.,Equine Reproduction Service, Department of Animal Medicine and Surgery, Faculty of Veterinary Sciences, Autonomous University of Barcelona, Barcelona, Spain
| | - Raúl Sánchez
- Laboratory in Reproductive Medicine and Molecular Endocrinology, Center of Excellence in Translational Medicine-Scientific and Technological Bioresource Nucleus (CEMT - BIOREN), Universidad de La Frontera, Temuco, Chile.,Department of Preclinical Sciences, Faculty of Medicine, University of La Frontera, Temuco, Chile
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Jordi Miro
- Equine Reproduction Service, Department of Animal Medicine and Surgery, Faculty of Veterinary Sciences, Autonomous University of Barcelona, Barcelona, Spain
| | - Beatriz Fernandez-Fuertes
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| |
Collapse
|
28
|
Rodriguez-Martinez H, Martinez EA, Calvete JJ, Peña Vega FJ, Roca J. Seminal Plasma: Relevant for Fertility? Int J Mol Sci 2021; 22:ijms22094368. [PMID: 33922047 PMCID: PMC8122421 DOI: 10.3390/ijms22094368] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 02/06/2023] Open
Abstract
Seminal plasma (SP), the non-cellular component of semen, is a heterogeneous composite fluid built by secretions of the testis, the epididymis and the accessory sexual glands. Its composition, despite species-specific anatomical peculiarities, consistently contains inorganic ions, specific hormones, proteins and peptides, including cytokines and enzymes, cholesterol, DNA and RNA-the latter often protected within epididymis- or prostate-derived extracellular vesicles. It is beyond question that the SP participates in diverse aspects of sperm function pre-fertilization events. The SP also interacts with the various compartments of the tubular genital tract, triggering changes in gene function that prepares for an eventual successful pregnancy; thus, it ultimately modulates fertility. Despite these concepts, it is imperative to remember that SP-free spermatozoa (epididymal or washed ejaculated) are still fertile, so this review shall focus on the differences between the in vivo roles of the SP following semen deposition in the female and those regarding additions of SP on spermatozoa handled for artificial reproduction, including cryopreservation, from artificial insemination to in vitro fertilization. This review attempts, including our own results on model animal species, to critically summarize the current knowledge of the reproductive roles played by SP components, particularly in our own species, which is increasingly affected by infertility. The ultimate goal is to reconcile the delicate balance between the SP molecular concentration and their concerted effects after temporal exposure in vivo. We aim to appraise the functions of the SP components, their relevance as diagnostic biomarkers and their value as eventual additives to refine reproductive strategies, including biotechnologies, in livestock models and humans.
Collapse
Affiliation(s)
- Heriberto Rodriguez-Martinez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden
- Correspondence: ; Tel.: +46-132-869-25
| | - Emilio A. Martinez
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain; (E.A.M.); (J.R.)
| | - Juan J. Calvete
- Laboratorio de Venómica Estructural y Funcional, Instituto de Biomedicina de Valencia, C.S.I.C., 46010 Valencia, Spain;
| | - Fernando J. Peña Vega
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, 10003 Caceres, Spain;
| | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30100 Murcia, Spain; (E.A.M.); (J.R.)
| |
Collapse
|
29
|
Bidarimath M, Lingegowda H, Miller JE, Koti M, Tayade C. Insights Into Extracellular Vesicle/Exosome and miRNA Mediated Bi-Directional Communication During Porcine Pregnancy. Front Vet Sci 2021; 8:654064. [PMID: 33937376 PMCID: PMC8081834 DOI: 10.3389/fvets.2021.654064] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/11/2021] [Indexed: 12/19/2022] Open
Abstract
Spontaneous fetal loss is one of the most important challenges that commercial pig industry is still facing in North America. Research over the decade provided significant insights into some of the associated mechanisms including uterine capacity, placental efficiency, deficits in vasculature, and immune-inflammatory alterations at the maternal-fetal interface. Pigs have unique epitheliochorial placentation where maternal and fetal layers lay in opposition without any invasion. This has provided researchers opportunities to accurately tease out some of the mechanisms associated with maternal-fetal interface adaptations to the constantly evolving needs of a developing conceptus. Another unique feature of porcine pregnancy is the conceptus derived recruitment of immune cells during the window of conceptus attachment. These immune cells in turn participate in pregnancy associated vascular changes and contribute toward tolerance to the semi-allogeneic fetus. However, the precise mechanism of how maternal-fetal cells communicate during the critical times in gestation is not fully understood. Recently, it has been established that bi-directional communication between fetal trophoblasts and maternal cells/tissues is mediated by extracellular vesicles (EVs) including exosomes. These EVs are detected in a variety of tissues and body fluids and their role has been described in modulating several physiological and pathological processes including vascularization, immune-modulation, and homeostasis. Recent literature also suggests that these EVs (exosomes) carry cargo (nucleic acids, protein, and lipids) as unique signatures associated with some of the pregnancy associated pathologies. In this review, we provide overview of important mechanisms in porcine pregnancy success and failure and summarize current knowledge about the unique cargo containing biomolecules in EVs. We also discuss how EVs (including exosomes) transfer their contents into other cells and regulate important biological pathways critical for pregnancy success.
Collapse
Affiliation(s)
- Mallikarjun Bidarimath
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA, United States
| | | | - Jessica E Miller
- Department Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Madhuri Koti
- Department Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada.,Department of Obstetrics and Gynecology, Queen's University, Kingston, ON, Canada
| | - Chandrakant Tayade
- Department Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| |
Collapse
|
30
|
Blondin-Ladrie L, Aranguren M, Doyon-Laliberté K, Poudrier J, Roger M. The Importance of Regulation in Natural Immunity to HIV. Vaccines (Basel) 2021; 9:vaccines9030271. [PMID: 33803543 PMCID: PMC8003059 DOI: 10.3390/vaccines9030271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 02/07/2023] Open
Abstract
Worldwide, most Human Immunodeficiency Virus (HIV) infections are acquired through heterosexual intercourse, and in sub-Saharan Africa, 59% of new HIV infections affect women. Vaccines and microbicides hold promise for preventing the acquisition of HIV. To this end, the study of HIV highly exposed seronegative (HESN) female commercial sex workers (CSWs), who constitute a model of natural immunity to HIV, provides an exceptional opportunity to determine important clues for the development of preventive strategies. Studies using both female genital tract (FGT) and peripheral blood samples of HESN CSWs, have allowed identifying distinct features, notably low-inflammatory patterns associated with resistance to infection. How this seemingly regulated response is achieved at the initial site of HIV infection remains unknown. One hypothesis is that populations presenting regulatory profiles contribute to the orchestration of potent anti-viral and low-inflammatory responses at the initial site of HIV transmission. Here, we view to update our knowledge regarding this issue.
Collapse
Affiliation(s)
- Laurence Blondin-Ladrie
- Axe Immunopathologie, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC H2X0A9, Canada; (L.B.-L.); (M.A.); (K.D.-L.)
- Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, QC H3C3J7, Canada
| | - Matheus Aranguren
- Axe Immunopathologie, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC H2X0A9, Canada; (L.B.-L.); (M.A.); (K.D.-L.)
- Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, QC H3C3J7, Canada
| | - Kim Doyon-Laliberté
- Axe Immunopathologie, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC H2X0A9, Canada; (L.B.-L.); (M.A.); (K.D.-L.)
- Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, QC H3C3J7, Canada
| | - Johanne Poudrier
- Axe Immunopathologie, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC H2X0A9, Canada; (L.B.-L.); (M.A.); (K.D.-L.)
- Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, QC H3C3J7, Canada
- Correspondence: (J.P.); (M.R.)
| | - Michel Roger
- Axe Immunopathologie, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, QC H2X0A9, Canada; (L.B.-L.); (M.A.); (K.D.-L.)
- Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, QC H3C3J7, Canada
- Institut National de Santé Publique du Québec, Montréal, QC H2P1E2, Canada
- Correspondence: (J.P.); (M.R.)
| |
Collapse
|
31
|
Lacalle E, Núñez A, Fernández-Alegre E, Crespo-Félez I, Domínguez JC, Alonso ME, González-Urdiales R, Martínez-Pastor F. Cold-Shock Test Is a Practical Method for Selecting Boar Ejaculates Yielding Appropriate Seminal Plasma for Post-Thawing Supplementation. Animals (Basel) 2021; 11:ani11030871. [PMID: 33803834 PMCID: PMC8003138 DOI: 10.3390/ani11030871] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/06/2021] [Accepted: 03/08/2021] [Indexed: 12/17/2022] Open
Abstract
Simple Summary The pig industry routinely uses artificial insemination with refrigerated semen. Cryopreserved semen has many advantages, but it is not widely used, partly because of unreliable results. The supplementation with seminal plasma (SP) could improve these results, but this fluid also presents variability. We evaluated if a simple cold-shock test (CST) could allow to easily identify the most suitable ejaculates for obtaining SP. Therefore, we tested 63 ejaculates, obtaining SP from the 4 showing higher quality (SPr, cold-shock-resistant) and lower quality (SPs, cold-shock-sensitive) after the CST. SPs and SPr pools supplemented thawed semen (20% SP) from six different boars, incubating at 37 °C and analyzing at times 0, 2, and 4 h. SPr was able to improve post-thawing sperm motility while maintaining viability. SPs had a similar but lower effect. SP in general seemed to stimulate sperm physiology, however decreasing membrane stability, acrosomal integrity, and disulfide bridges in the chromatin. This study supports the suitability of SP for improving thawed semen, with CST-selected ejaculates as preferable for this aim. Artificial insemination trials with thawed semen supplemented with SPr and SPs must validate the practical application of CST. Abstract Artificial insemination (AI) with cryopreserved semen is still unreliable for extensive pig industry application. Adding seminal plasma (SP) could improve post-thawing quality, but its suitability could vary. We applied a simple cold-shock test (CST, 5 min at 0 °C) on neat semen for classifying ejaculates (n = 63) as resistant or sensitive, obtaining two SP pools (CST-resistant: SPr, sensitive: SPs). Subsequently, frozen/thawed spermatozoa from six boars were incubated (37 °C) in MR-A® extender (control), 20% SPr, or 20% SPs, and analyzed at 0, 2, and 4 h. SP improved total and progressive motility, with a higher effect for SPr and STR (p < 0.05), decreasing kinematic parameters VCL and VAP, ALH, and BCF. Sperm viability was unaffected. SP increased apoptotic and membrane disorder ratios, and acrosomal damage, not affecting the chromatin structure (DNA fragmentation and immaturity by SCSA), protamination (CMA3), or disulfide levels (mBBr). However, the proportion of spermatozoa with elevated free thiols (disulfide bridges reduction) significantly increased. Results support a stimulatory role of SP on thawed semen, with additional benefits from SPr. The effect of SP and especially SPr after AI should be tested since CST could be a practical test for selecting suitable ejaculates in AI centers.
Collapse
Affiliation(s)
- Estíbaliz Lacalle
- Institute of Animal Health and Cattle Development (INDEGSAL), Universidad de León, 24071 León, Spain; (E.L.); (A.N.); (I.C.-F.); (J.C.D.)
| | - Andrea Núñez
- Institute of Animal Health and Cattle Development (INDEGSAL), Universidad de León, 24071 León, Spain; (E.L.); (A.N.); (I.C.-F.); (J.C.D.)
| | | | - Itxaso Crespo-Félez
- Institute of Animal Health and Cattle Development (INDEGSAL), Universidad de León, 24071 León, Spain; (E.L.); (A.N.); (I.C.-F.); (J.C.D.)
- Topigs Norsvin España SLU (AIM Ibérica), 24225 León, Spain;
| | - Juan Carlos Domínguez
- Institute of Animal Health and Cattle Development (INDEGSAL), Universidad de León, 24071 León, Spain; (E.L.); (A.N.); (I.C.-F.); (J.C.D.)
- Department of Animal Medicine, Surgery and Anatomy (Animal Medicine and Surgery), Universidad de León, 24071 León, Spain
| | - Marta Elena Alonso
- Department of Animal Production, Faculty of Veterinary, Universidad de León, 24071 León, Spain;
| | | | - Felipe Martínez-Pastor
- Institute of Animal Health and Cattle Development (INDEGSAL), Universidad de León, 24071 León, Spain; (E.L.); (A.N.); (I.C.-F.); (J.C.D.)
- Department of Molecular Biology (Cell Biology), Universidad de León, 24071 León, Spain
- Correspondence: ; Tel.: +34-987-291-491
| |
Collapse
|
32
|
A novel protein biochip screening serum anti-sperm antibody expression and natural pregnancy rate in a follow-up study in Chinese infertility. Biosci Rep 2021; 40:221951. [PMID: 31985014 PMCID: PMC7012658 DOI: 10.1042/bsr20191769] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 01/06/2020] [Accepted: 01/24/2020] [Indexed: 01/17/2023] Open
Abstract
Production of anti-sperm antibody (ASA) often suffers from autoimmune reaction against sperms in human infertility. The antibodies are measured in both blood and seminal plasma of males. Here, we reported a simple protein biochip methodology that takes advantage of a functionalized self-assembled monolayer modified by N-hydroxysuccinimide (NHS) and enables identification of anti-sperm antibody in Chinese male infertility. To validate this biochip platform, we immobilized purified sperm protein on the biochip surface and tested a variety of parameters in quality controls for the protein assay, respectively. Then, we analyzed serum samples from 368 patients with infertility and 116 healthy donors by means of this biochip simultaneously. We found that positive rate of serum ASA was 20.92% (77/368) in the cases and 1.72% (2/116) in the controls, respectively. Furthermore, we further corroborated the biochip assay in comparison with ELISA method. We found that both methods were compatible for the detection of serum ASA in the patients. In addition, a follow-up study for natural conception in ASA-positive and ASA-negative patients was conducted. The result showed a significant correlation between serum ASA expression and natural pregnancy rate 6.5% in ASA-positive patients while 18.9% in ASA-negative patients, indicating the potential roles of ASA in naturally reproductive processes.
Collapse
|
33
|
Intrauterine Infusion of TGF-β1 Prior to Insemination, Alike Seminal Plasma, Influences Endometrial Cytokine Responses but Does Not Impact the Timing of the Progression of Pre-Implantation Pig Embryo Development. BIOLOGY 2021; 10:biology10020159. [PMID: 33671276 PMCID: PMC7923199 DOI: 10.3390/biology10020159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 12/14/2022]
Abstract
Seminal plasma (SP) in the female genital tract induces changes that affect multiple reproductive processes. One of the active components in SP is the transforming growth factor β1 (TGF-β1), which has major roles in embryo development and pregnancy. Embryo transfer (ET) technology is welcomed by the pig industry provided that embryo quality at embryo collection as well as the fertility and prolificacy of the recipients after the ET is increased. This study evaluated different intrauterine infusion treatments at estrus (40 mL of SP, TGF-β1 cytokine in the extender, or the extender alone (control)) by mimicking an ET scenario in so-called "donor" (inseminated) and "recipient" (uninseminated) sows. On day 6 (day 0-onset of estrus), all "donors" were laparotomized to determine their pregnancy status (presence and developmental stage of the embryos). In addition, endometrial explants were collected from pregnant "donors" and cyclic "recipients," incubated for 24 h, and analyzed for cytokine production. SP infusions (unlike TGF-β1 infusions) positively influenced the developmental stage of day 6 embryos. Infusion treatments differentially influenced the endometrial cytokine production, mainly in donors. We concluded that SP infusions prior to AI not only impacted the porcine preimplantation embryo development but also influenced the endometrial cytokine production six days after treatment, both in donors and recipients.
Collapse
|
34
|
Xiao Y, Uh K, Negrón-Pérez VM, Haines H, Lee K, Hansen PJ. Regulation of gene expression in the bovine blastocyst by colony-stimulating factor 2 is disrupted by CRISPR/Cas9-mediated deletion of CSF2RA. Biol Reprod 2021; 104:995-1007. [PMID: 33524138 DOI: 10.1093/biolre/ioab015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/28/2020] [Accepted: 01/28/2021] [Indexed: 12/23/2022] Open
Abstract
Colony-stimulating factor 2 (CSF2) functions in the reproductive tract to modulate the function of the preimplantation embryo. The β subunit of the CSF2 receptor (CSF2RB) is not expressed in the embryo, and signal transduction is therefore different than for myeloid cells where the receptor is composed of α (CSF2RA) and β subunits. Here, we produced embryos in which exons 5 and 6 of CSF2RA were disrupted using the CRISPR/Cas 9 system to test whether CSF2RA signaling was essential for actions of CSF2 in the bovine embryo. Wild-type and CSF2RA knockout embryos were treated with 10 ng/mL CSF2 or vehicle at day 5 of development. Blastocysts were harvested at day 8 to determine transcript abundance of 90 genes by real-time polymerase chain reaction (PCR). Responses in female blastocysts were examined separately from male blastocysts because actions of CSF2 are sex-dependent. For wild-type embryos, CSF2 altered expression of 10 genes in females and 20 in males. Only three genes were affected by CSF2 in a similar manner for both sexes. Disruption of CSF2RA prevented the effect of CSF2 on expression for 9 of 10 CSF2-regulated genes in females and 19 of 20 genes in males. The results confirm the importance of CSF2RA for regulation of gene expression by CSF2 in the blastocyst.
Collapse
Affiliation(s)
- Yao Xiao
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program, and Genetics Institute, University of Florida, Gainesville, FL, USA
| | - Kyungjun Uh
- Division of Animal Science, University of Missouri, Columbia, MO, USA.,Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, USA
| | - Veronica M Negrón-Pérez
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, USA.,Department of Animal Sciences, University of Puerto Rico, Mayagüez, PR, USA
| | - Hannah Haines
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, USA
| | - Kiho Lee
- Division of Animal Science, University of Missouri, Columbia, MO, USA.,Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA, USA
| | - Peter J Hansen
- Department of Animal Sciences, D.H. Barron Reproductive and Perinatal Biology Research Program, and Genetics Institute, University of Florida, Gainesville, FL, USA
| |
Collapse
|
35
|
Ruiz-Conca M, Gardela J, Jauregi-Miguel A, Martinez CA, Rodríguez-Martinez H, López-Béjar M, Alvarez-Rodriguez M. Seminal Plasma Triggers the Differential Expression of the Glucocorticoid Receptor ( NR3C1/GR) in the Rabbit Reproductive Tract. Animals (Basel) 2020; 10:E2158. [PMID: 33228207 PMCID: PMC7699521 DOI: 10.3390/ani10112158] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/05/2020] [Accepted: 11/16/2020] [Indexed: 12/20/2022] Open
Abstract
Rabbits are interesting as research animal models for reproduction, due to their condition of species of induced ovulation, with the release of endogenous gonadotropin-releasing hormone (GnRH) due to coitus. Glucocorticoid (GC) signaling, crucial for physiological homeostasis, is mediated through a yet unclear mechanism, by the GC receptor (NR3C1/GR). After mating, the female reproductive tract undergoes dynamic modifications, triggered by gene transcription, a pre-amble for fertilization and pregnancy. This study tested the hypothesis that when ovulation is induced, the expression of NR3C1 is influenced by sperm-free seminal plasma (SP), similarly to after mating (whole semen), along the different segments of the internal reproductive tract of female rabbits. Semen (mating) was compared to vaginal infusion of sperm-free SP (Experiment 1), and changes over time were also evaluated, i.e., 10, 24, 36, 68, and 72 h post-mating, corresponding to specific stages, i.e., ovulation, fertilization, and the interval of early embryo development up to the morula stage (Experiment 2). All does were treated with GnRH to induce ovulation. Samples were retrieved from seven segments of the reproductive tract (from the cervix to infundibulum), at 20 h post-mating or sperm-free SP infusion (Experiment 1) or at 10, 24, 36, 68, and 72 h post-mating (Experiment 2). Gene expression of NR3C1 was analyzed by qPCR. Results showed an increase in NR3C1 expression in the infundibulum compared to the other anatomical regions in the absence of spermatozoa when sperm-free SP infusion was performed (Experiment 1). Moreover, during the embryo transport through the oviduct, the distal isthmus was time-course upregulated, especially at 72 h, when morulae are retained in this anatomical region, while it was downregulated in the distal uterus at 68 h (Experiment 2). The overall results suggest that NR3C1, the GC receptor gene, assessed in the reproductive tract of does for the first time, shows differential expression changes during the interval of oviductal and uterine embryo transport that may imply a relevant role of the GC action, not only close to the site of ovulation and fertilization, but also in the endometrium.
Collapse
Affiliation(s)
- Mateo Ruiz-Conca
- Department of Biomedical and Clinical Sciences (BKV), Division of Children’s and Women Health (BKH), Obstetrics and Gynecology, Linköping University, 58185 Linköping, Sweden; (M.R.-C.); (J.G.); (C.A.M.); (H.R.-M.)
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain or
| | - Jaume Gardela
- Department of Biomedical and Clinical Sciences (BKV), Division of Children’s and Women Health (BKH), Obstetrics and Gynecology, Linköping University, 58185 Linköping, Sweden; (M.R.-C.); (J.G.); (C.A.M.); (H.R.-M.)
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain or
| | - Amaia Jauregi-Miguel
- Department of Biomedical and Clinical Sciences (BKV), Division of Molecular Medicine and Virology (MMV), Linköping University, 58185 Linköping, Sweden;
| | - Cristina A. Martinez
- Department of Biomedical and Clinical Sciences (BKV), Division of Children’s and Women Health (BKH), Obstetrics and Gynecology, Linköping University, 58185 Linköping, Sweden; (M.R.-C.); (J.G.); (C.A.M.); (H.R.-M.)
| | - Heriberto Rodríguez-Martinez
- Department of Biomedical and Clinical Sciences (BKV), Division of Children’s and Women Health (BKH), Obstetrics and Gynecology, Linköping University, 58185 Linköping, Sweden; (M.R.-C.); (J.G.); (C.A.M.); (H.R.-M.)
| | - Manel López-Béjar
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain or
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Manuel Alvarez-Rodriguez
- Department of Biomedical and Clinical Sciences (BKV), Division of Children’s and Women Health (BKH), Obstetrics and Gynecology, Linköping University, 58185 Linköping, Sweden; (M.R.-C.); (J.G.); (C.A.M.); (H.R.-M.)
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain or
| |
Collapse
|
36
|
Parrilla I, Martinez CA, Cambra JM, Lucas X, Ferreira-Dias G, Rodriguez-Martinez H, Cuello C, Gil MA, Martinez EA. Blastocyst-Bearing Sows Display a Dominant Anti-Inflammatory Cytokine Profile Compared to Cyclic Sows at Day 6 of the Cycle. Animals (Basel) 2020; 10:ani10112028. [PMID: 33158034 PMCID: PMC7692685 DOI: 10.3390/ani10112028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/08/2020] [Accepted: 11/02/2020] [Indexed: 12/29/2022] Open
Abstract
Simple Summary A proper uterine environment is basic for obtaining optimal embryo transfer outputs in domestic species, including the pig. However, scarce information is available about the uterine immune response of recipient (uninseminated) sows when receiving embryos during embryo transfer. Endometrial cytokine profile is among the main factors regulating uterine receptivity to embryos. In this study, using Luminex MAP® technology, we found important differences in the endometrial production in most of the 16 cytokines analyzed between recipient sows and embryo-bearing (inseminated) sows six days after estrus, with a predominant cytokine anti-inflammatory environment in the embryo-bearing endometria. These observations suggest that insemination components and/or early embryos induce an endometrium immune-tolerant cytokine profile at Day 6 of the cycle. The findings could contribute importantly to design strategies to maximize the reproductive performance of recipients after embryo transfer in swine. Abstract In the context of porcine embryo transfer (ET) technology, understanding the tightly regulated local uterine immune environment is crucial to achieve an adequate interaction between the transferred embryos and the receiving endometrium. However, information is limited on the uterine immune status of cyclic-recipient sows when receiving embryos during ET. The present study postulated that the anti- and proinflammatory cytokine profile 6 days after the onset of estrus differs between endometria from uninseminated cyclic sows and blastocyst-bearing sows. On Day 6 of the cycle, endometrial explants were collected from sows inseminated or not inseminated during the postweaning estrus and cultured for 22 h. The culture medium was then analyzed for the contents of a total of 16 cytokines using Luminex MAP® technology. The results showed important differences in the endometrial production of most cytokines between the sow categories, with a predominant anti-inflammatory environment displayed by the blastocyst-bearing endometria. These findings suggest that sperm, seminal plasma (SP) and/or early embryos modify the uterine environment by inducing an immune-tolerant cytokine profile already visible at Day 6. Whether the SP or some of its active components may help to develop strategies to maximize the reproductive performance of recipients after ET needs further investigation.
Collapse
Affiliation(s)
- Inmaculada Parrilla
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
- Correspondence: (I.P.); (C.A.M.)
| | - Cristina A. Martinez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, 58183 Linköping, Sweden;
- Correspondence: (I.P.); (C.A.M.)
| | - Josep M. Cambra
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
| | - Xiomara Lucas
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
| | - Graça Ferreira-Dias
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1649-004 Lisbon, Portugal;
| | - Heriberto Rodriguez-Martinez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, 58183 Linköping, Sweden;
| | - Cristina Cuello
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
| | - Maria A. Gil
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
| | - Emilio A. Martinez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 30071 Murcia, Spain; (J.M.C.); (X.L.); (C.C.); (M.A.G.); (E.A.M.)
- Campus de Ciencias de la Salud, Institute for Biomedical Research of Murcia (IMIB-Arrixaca), 30071 Murcia, Spain
| |
Collapse
|
37
|
Bogacki M, Jalali BM, Wieckowska A, Kaczmarek MM. Prolonged Effect of Seminal Plasma on Global Gene Expression in Porcine Endometrium. Genes (Basel) 2020; 11:genes11111302. [PMID: 33153118 PMCID: PMC7692128 DOI: 10.3390/genes11111302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/27/2022] Open
Abstract
Seminal plasma (SP) deposited in the porcine uterine tract at the time of mating is known to elicit an initial response that is beneficial for pregnancy outcome. However, whether SP has any long-term effect on alterations in endometrial molecular and cellular processes is not known. In this study, using microarray analyses, differential changes in endometrial transcriptome were evaluated after Day 6 of SP-infusion (6DPI) or Day 6 of pregnancy as compared to corresponding day of estrous cycle. Both, pregnancy and SP induced significant changes in the endometrial transcriptome and most of these changes were specific for a particular group. Functional analysis of differentially expressed genes (DEGs) using Ingenuity Pathway Analysis revealed that inhibition in immune response was affected by both pregnancy and SP infusion. Long-term effects of SP included differential expression of genes involved in inhibition of apoptosis, production of reactive oxygen species and steroid biosynthesis, and activation of processes such as proliferation of connective tissue cells and microvascular endothelial cells. Moreover, interleukin-2 and interferon-γ was identified to be responsible for regulating expression of many DEGs identified on 6DPI. The present study provides evidence for the long-term effects of SP on porcine endometrium that can be beneficial for pregnancy success.
Collapse
|
38
|
Stančić I, Radović I, Dragin S, Mirkov M, Pihler I, Horvatović M, Apić J, Zdraveski I. Influence of transcervical infusion of seminal plasma on the farrowing rate and litter size in artificially inseminated sows. ARQ BRAS MED VET ZOO 2020. [DOI: 10.1590/1678-4162-11227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
ABSTRACT Recent studies have focused on the use of seminal plasma to increase sow fertility after classical intracervical artificial insemination (AI). The aim of the present study was to investigate the influence of seminal plasma infusion, prior to the application of conventional AI dose, on the fertility rate in sows. A total of 114 sows were treated with intrauterine infusion of 30ml seminal plasma (SP), while 114 control sows were infused by physiological solution (PS), immediately before the application of conventional AI dose. The experiment was conducted at one commercial pig farm in Serbia, which is comprised of 1,500 sows in the breeding herd. Intrauterine infusion of seminal plasma produced significantly (P<0.05) higher farrowing rate (93.8%) and significantly (P<0.01) more live-born piglets per litter (12.27), compared with the control sows (83.33% farrowing rate and 10.48 piglets). The present results show that intrauterine infusion of seminal plasma can be a useful tool for increasing the fertility rate in artificially inseminated sows, under the conditions of practical intensive pig production.
Collapse
Affiliation(s)
| | | | | | | | | | | | - J. Apić
- Scientific Veterinary Institute Novi Sad, Serbia
| | - I. Zdraveski
- Faculty of Veterinary Medicine, Republic of Macedonia
| |
Collapse
|
39
|
Padilla L, Martínez-Hernández J, Barranco I, Lucas X, Pastor LM, Rodriguez-Martínez H, Roca J, Parrilla I. Granulocyte-macrophage colony stimulating factor (GM-CSF) is fully expressed in the genital tract, seminal plasma and spermatozoa of male pigs. Sci Rep 2020; 10:13360. [PMID: 32770046 PMCID: PMC7414873 DOI: 10.1038/s41598-020-70302-9] [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: 03/30/2020] [Accepted: 07/21/2020] [Indexed: 12/11/2022] Open
Abstract
Granulocyte-macrophage colony stimulating factor (GM-CSF) is a pro-inflammatory cytokine identified in boar seminal plasma (SP) but until now unexplored in terms of place of production and its association to spermatozoa. This study aimed to explore these aspects by evaluating the presence of GM-CSF in porcine reproductive organs (testes, epididymis and accessory sex glands), SP and mature spermatozoa (from cauda epididymis and ejaculated) using Western blot (WB), immunohistochemistry and immunocytochemistry. Positive labelling was obtained in tissues, SP and spermatozoa. In reproductive organs, WB revealed three forms of GM-CSF with different glycosylation degrees (15, 31 and 40 kDa). In SP and epididymal fluid, the GM-CSF appeared only in its active form while in spermatozoa the GM-CSF form present varied among sperm sources. Non-viable spermatozoa showed more GM-CSF than viable spermatozoa (14.87 ± 1.98 RU vs. 7.25 ± 0.52 RU) of fluorescence intensity. In conclusion, GM-CSF is widely present in the reproductive tract of male pigs, attached to the spermatozoa already in the epididymis as well as verted to SP. Consequently, the GM-CSF ought to regulate male genital tract and sperm function as well as mediating initial inflammatory responses and further mediating later immune actions by the female to semen deposition.
Collapse
Affiliation(s)
- Lorena Padilla
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, 30100, Murcia, Spain.,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain
| | - Jesús Martínez-Hernández
- Department of Cell Biology and Histology, School of Medicine, University of Murcia, 30100, Murcia, Spain.,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain
| | - Isabel Barranco
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, 30100, Murcia, Spain.,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain.,Biotechnology of Animal and Human Reproduction (TechnoSperm), Department of Biology, Faculty of Sciences, Institute of Food and Agricultural Technology, University of Girona, 17003, Girona, Spain
| | - Xiomara Lucas
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, 30100, Murcia, Spain.,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain
| | - Luis M Pastor
- Department of Cell Biology and Histology, School of Medicine, University of Murcia, 30100, Murcia, Spain.,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain
| | | | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, 30100, Murcia, Spain.,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain
| | - Inmaculada Parrilla
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, 30100, Murcia, Spain. .,IMIB-Arrixaca, Regional Campus of International Excellence, University of Murcia, Campus Mare Nostrum, 30100, Murcia, Spain.
| |
Collapse
|
40
|
Morgan HL, Eid N, Khoshkerdar A, Watkins AJ. Defining the male contribution to embryo quality and offspring health in assisted reproduction in farm animals. Anim Reprod 2020; 17:e20200018. [PMID: 33029211 PMCID: PMC7534566 DOI: 10.1590/1984-3143-ar2020-0018] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Assisted reproductive technologies such as artificial insemination have delivered significant benefits for farm animal reproduction. However, as with humans, assisted reproduction in livestock requires the manipulation of the gametes and preimplantation embryo. The significance of this ‘periconception’ period is that it represents the transition from parental genome regulation to that of the newly formed embryo. Environmental perturbations during these early developmental stages can result in persistent changes in embryonic gene expression, fetal organ development and ultimately the long-term health of the offspring. While associations between maternal health and offspring wellbeing are well-defined, the significance of paternal health for the quality of his semen and the post-conception development of his offspring have largely been overlooked. Human and animal model studies have identified sperm epigenetic status (DNA methylation levels, histone modifications and RNA profiles) and seminal plasma-mediated maternal uterine immunological, inflammatory and vascular responses as the two central mechanisms capable of linking paternal health and post-fertilisation development. However, there is a significant knowledge gap about the father’s contribution to the long-term health of his offspring, especially with regard to farm animals. Such insights are essential to ensure the safety of widely used assisted reproductive practices and to gain better understanding of the role of paternal health for the well-being of his offspring. In this article, we will outline the impact of male health on semen quality (both sperm and seminal plasma), reproductive fitness and post-fertilisation offspring development and explore the mechanisms underlying the paternal programming of offspring health in farm animals.
Collapse
Affiliation(s)
- Hannah Louise Morgan
- Division of Child Health, Obstetrics and Gynaecology, Queen's Medical Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Nader Eid
- Division of Child Health, Obstetrics and Gynaecology, Queen's Medical Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Afsaneh Khoshkerdar
- Division of Child Health, Obstetrics and Gynaecology, Queen's Medical Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Adam John Watkins
- Division of Child Health, Obstetrics and Gynaecology, Queen's Medical Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| |
Collapse
|
41
|
Parrilla I, Martinez EA, Gil MA, Cuello C, Roca J, Rodriguez-Martinez H, Martinez CA. Boar seminal plasma: current insights on its potential role for assisted reproductive technologies in swine. Anim Reprod 2020; 17:e20200022. [PMID: 33029213 PMCID: PMC7534575 DOI: 10.1590/1984-3143-ar2020-0022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Seminal plasma (SP) supports not only sperm function but also the ability of spermatozoa to withstand biotechnological procedures as artificial insemination, freezing or sex sorting. Moreover, evidence has been provided that SP contains identifiable molecules which can act as fertility biomarkers, and even improve the output of assisted reproductive technologies by acting as modulators of endometrial and embryonic changes of gene expression, thus affecting embryo development and fertility beyond the sperm horizon. In this overview, we discuss current knowledge of the composition of SP, mainly proteins and cytokines, and their influence on semen basic procedures, such as liquid storage or cryopreservation. The role of SP as modulator of endometrial and embryonic molecular changes that lead to successful pregnancy will also be discussed.
Collapse
Affiliation(s)
- Inmaculada Parrilla
- Departmento de Medicina y Cirugía Animal, Facultad de Veterinaria, Campus de de Excelencia International "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain.,Instituto Murciano de Investigación Biosanitaria, Campus de Ciencias de la Salud, Murcia, Spain
| | - Emilio Arsenio Martinez
- Departmento de Medicina y Cirugía Animal, Facultad de Veterinaria, Campus de de Excelencia International "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain.,Instituto Murciano de Investigación Biosanitaria, Campus de Ciencias de la Salud, Murcia, Spain
| | - Maria Antonia Gil
- Departmento de Medicina y Cirugía Animal, Facultad de Veterinaria, Campus de de Excelencia International "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain.,Instituto Murciano de Investigación Biosanitaria, Campus de Ciencias de la Salud, Murcia, Spain
| | - Cristina Cuello
- Departmento de Medicina y Cirugía Animal, Facultad de Veterinaria, Campus de de Excelencia International "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain.,Instituto Murciano de Investigación Biosanitaria, Campus de Ciencias de la Salud, Murcia, Spain
| | - Jordi Roca
- Departmento de Medicina y Cirugía Animal, Facultad de Veterinaria, Campus de de Excelencia International "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain.,Instituto Murciano de Investigación Biosanitaria, Campus de Ciencias de la Salud, Murcia, Spain
| | - Heriberto Rodriguez-Martinez
- Department of Biomedical & Clinical Sciences, BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| | - Cristina Alicia Martinez
- Department of Biomedical & Clinical Sciences, BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden
| |
Collapse
|
42
|
Recuero S, Sánchez JM, Mateo-Otero Y, Bagés-Arnal S, McDonald M, Behura SK, Spencer TE, Kenny DA, Yeste M, Lonergan P, Fernandez-Fuertes B. Mating to Intact, but Not Vasectomized, Males Elicits Changes in the Endometrial Transcriptome: Insights From the Bovine Model. Front Cell Dev Biol 2020; 8:547. [PMID: 32766237 PMCID: PMC7381276 DOI: 10.3389/fcell.2020.00547] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 06/10/2020] [Indexed: 12/18/2022] Open
Abstract
An appropriate female reproductive environment is essential for pregnancy success. In several species, including mice, pigs and horses, seminal plasma (SP) components have been shown to modulate this environment, leading to increased embryo viability and implantation. Due to the characteristics of mating in the aforementioned species, SP comes into direct contact with the uterus. However, it is questionable whether any SP reaches the uterus in species that ejaculate inside the vagina, such as humans and cattle. Hence, we hypothesized that sperm, perhaps acting as a vehicle for SP factors, play a more important role in the modulation of the maternal uterine environment in these species. In addition, changes elicited by SP and/or sperm may originate in the vagina and propagate to more distal regions of the female reproductive tract. To test these hypotheses, a bovine model in which heifers were mated to intact or vasectomized bulls or were left unmated was used. RNA-sequencing of endometrial samples collected 24 h after mating with a vasectomized bull did not reveal any differentially expressed genes (DEGs) in comparison with control samples. However, the endometrium of heifers mated with intact bulls exhibited 24 DEGs when compared to heifers mated with vasectomized bulls, and 22 DEGs when compared to unmated control heifers. The expression of a set of cytokines (IL6, IL1A, IL8, and TNFA) and candidate genes identified in the endometrial RNA-sequencing (PLA2G10, CX3CL1, C4BPA, PRSS2, BLA-DQB, and CEBPD) were assessed by RT-qPCR in the vagina and oviductal ampulla. No differences in expression of these genes were observed between treatments in any region. However, mating to both intact and vasectomized bulls induced an increase in IL1A and TNFA expression in the vagina compared to the oviduct. These data indicate that sperm, but not secretions from the accessory glands alone, induce modest changes in endometrial gene expression after natural mating in cattle. However, it is not clear whether this effect is triggered by inherent sperm proteins or SP proteins bound to sperm surface at the time of ejaculation.
Collapse
Affiliation(s)
- Sandra Recuero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Department of Biology, Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - José María Sánchez
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Yentel Mateo-Otero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Department of Biology, Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Sandra Bagés-Arnal
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Michael McDonald
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Susanta K Behura
- Division of Animal Sciences, University of Missouri, Columbia, MO, United States
| | - Thomas E Spencer
- Division of Animal Sciences, University of Missouri, Columbia, MO, United States
| | - David A Kenny
- Animal and Bioscience Research Centre, Teagasc Grange, Meath, Ireland
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Department of Biology, Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Pat Lonergan
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Beatriz Fernandez-Fuertes
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Department of Biology, Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| |
Collapse
|
43
|
Seminal Plasma Modulates miRNA Expression by Sow Genital Tract Lining Explants. Biomolecules 2020; 10:biom10060933. [PMID: 32575588 PMCID: PMC7356309 DOI: 10.3390/biom10060933] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/28/2020] [Accepted: 06/17/2020] [Indexed: 12/20/2022] Open
Abstract
The seminal plasma (SP) modulates the female reproductive immune environment after mating, and microRNAs (miRNAs) could participate in the process. Considering that the boar ejaculate is built by fractions differing in SP-composition, this study evaluated whether exposure of mucosal explants of the sow internal genital tract (uterus, utero-tubal junction and isthmus) to different SP-fractions changed the profile of explant-secreted miRNAs. Mucosal explants retrieved from oestrus sows (n = 3) were in vitro exposed to: Medium 199 (M199, Control) or M199 supplemented (1:40 v/v) with SP from the sperm-rich fraction (SRF), the post-SRF or the entire recomposed ejaculate, for 16 h. After, the explants were cultured in M199 for 24 h to finally collect the media for miRNA analyses using GeneChip miRNA 4.0 Array (Affymetrix). Fifteen differentially expressed (False Discovery Rate (FDR) < 0.05 and Fold-change ≥ 2) miRNAs (11 down- versus 4 up-regulated) were identified (the most in the media of uterine explants incubated with SP from post-SRF). Bioinformatics analysis identified that predicted target genes of dysregulated miRNAs, mainly miR-34b, miR-205, miR-4776-3p and miR-574-5p, were involved in functions and pathways related to immune response. In conclusion, SP is able to elicit changes in the miRNAs profile secreted by female genital tract, ultimately depending SP-composition.
Collapse
|
44
|
Ibrahim LA, Rizo JA, Fontes PLP, Lamb GC, Bromfield JJ. Seminal plasma modulates expression of endometrial inflammatory meditators in the bovine†. Biol Reprod 2020; 100:660-671. [PMID: 30329018 DOI: 10.1093/biolre/ioy226] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 08/15/2018] [Accepted: 10/15/2018] [Indexed: 12/27/2022] Open
Abstract
Seminal plasma has conventionally been viewed as a transport and survival medium for mammalian sperm; however, its role now extends beyond this process to actively targeting female tissues. Studies in rodents, swine, and humans demonstrate that seminal plasma induces molecular and cellular changes within the endometrium or cervix following insemination. Seminal-plasma-induced alterations to the maternal environment have been theorized to facilitate embryo development, modulate maternal immunity toward the conceptus, and potentially improve pregnancy success. It is unknown if bovine seminal plasma modulates the uterine environment following insemination in the cow, where routine use of artificial insemination reduces maternal exposure to seminal plasma. We hypothesize that seminal plasma modulates the expression of inflammatory mediators in the endometrium, altering the maternal environment of early pregnancy. In vitro, seminal plasma altered intact endometrial explant expression of CSF2, IL1B, IL6, IL17A, TGFB1, IFNE, PTGS2, and AKR1C4. Furthermore, endometrial epithelial cell CSF2, CXCL8, TGFB1, PTGS2, and AKR1C4 expression were increased after seminal plasma exposure, while endometrial stromal cell CSF2, IL1B, IL6, CXCL8, IL17A, TGFB1, PTGS2, and AKR1C4 expression were increased following seminal plasma exposure. Endometrial expression of IL1B was increased in the cow 24 h after uterine infusion of seminal plasma, while other evaluated inflammatory mediators remained unchanged. These data indicate that seminal plasma may induce changes in the bovine endometrium in a temporal manner. Understanding the role of seminal plasma in modulating the maternal environment may aid in improving pregnancy success in cattle.
Collapse
Affiliation(s)
- Laila A Ibrahim
- Department of Animal Sciences, University of Florida, Gainesville, Florida, USA
| | - Jason A Rizo
- Department of Animal Sciences, University of Florida, Gainesville, Florida, USA
| | - Pedro L P Fontes
- Department of Animal Science, Texas A&M University, College Station, Texas, USA
| | - G Cliff Lamb
- Department of Animal Science, Texas A&M University, College Station, Texas, USA
| | - John J Bromfield
- Department of Animal Sciences, University of Florida, Gainesville, Florida, USA
| |
Collapse
|
45
|
Seminal Plasma Induces Overexpression of Genes Associated with Embryo Development and Implantation in Day-6 Porcine Blastocysts. Int J Mol Sci 2020; 21:ijms21103662. [PMID: 32455957 PMCID: PMC7279338 DOI: 10.3390/ijms21103662] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 05/15/2020] [Accepted: 05/20/2020] [Indexed: 02/08/2023] Open
Abstract
The infusion of boar seminal plasma (SP) before artificial insemination (AI) positively alters the expression of endometrial genes and pathways involved in embryo development. This study aimed to determine which transcriptome changes occur in preimplantation embryos in response to SP infusions during estrus. Postweaning estrus sows received 40-mL intrauterine infusions of either SP (N = 6) or BTS extender (control group; N = 6) 30 min before each of two post-cervical AIs. On Day 6, embryos were surgically collected and analyzed for differential gene expression. Microarray analysis of embryos revealed 210 annotated genes, differentially expressed (p-value < 0.05 and fold change </> 2) in SP-blastocysts, compared to controls. Most of these genes were associated with biological, cellular, metabolic and developmental processes. The pathways enriched among the upregulated genes related to signal transduction, cellular processes and the endocrine system. Among altered genes involved in these pathways, the SP-group showed a conspicuous overexpression of ApoA-I, CDK1, MAPK1, SMAD2, PRKAA1 and RICTOR, with reported key roles in embryo development, implantation, or progression of pregnancy. In conclusion, the results demonstrate that SP infusions prior to AI upregulates the expression of embryo development related genes in Day 6 pig embryos.
Collapse
|
46
|
Mateo-Otero Y, Sánchez JM, Recuero S, Bagés-Arnal S, McDonald M, Kenny DA, Yeste M, Lonergan P, Fernandez-Fuertes B. Effect of Exposure to Seminal Plasma Through Natural Mating in Cattle on Conceptus Length and Gene Expression. Front Cell Dev Biol 2020; 8:341. [PMID: 32478076 PMCID: PMC7235327 DOI: 10.3389/fcell.2020.00341] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 04/20/2020] [Indexed: 12/20/2022] Open
Abstract
A growing body of evidence suggests that paternal factors have an impact on offspring development. These studies have been mainly carried out in mice, where seminal plasma (SP) has been shown to regulate endometrial gene expression and impact embryo development and subsequent offspring health. In cattle, infusion of SP into the uterus also induces changes in endometrial gene expression, however, evidence for an effect of SP on early embryo development is lacking. In addition, during natural mating, the bull ejaculates in the vagina; hence, it is not clear whether any SP reaches the uterus in this species. Thus, the aim of the present study was to determine whether SP exposure leads to improved early embryo survival and developmental rates in cattle. To this end, Day 7 in vitro produced blastocysts were transferred to heifers (12-15 per heifer) previously mated to vasectomized bulls (n = 13 heifers) or left unmated (n = 12 heifers; control). At Day 14, heifers were slaughtered, and conceptuses were recovered to assess size, morphology and expression of candidate genes involved in different developmental pathways. Additionally, CL volume at Day 7, and weight and volume of CL at Day 14 were recorded. No effect of SP on CL volume and weight not on conceptus recovery rate was observed. However, filamentous conceptuses recovered from SP-exposed heifers were longer in comparison to the control group and differed in expression of CALM1, CITED1, DLD, HNRNPDL, PTGS2, and TGFB3. In conclusion, data indicate that female exposure to SP during natural mating can affect conceptus development in cattle. This is probably achieved through modulation of the female reproductive environment at the time of mating.
Collapse
Affiliation(s)
- Yentel Mateo-Otero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - José María Sánchez
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Sandra Recuero
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Sandra Bagés-Arnal
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Michael McDonald
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - David A. Kenny
- Animal and Bioscience Research Department, Animal and Grassland Research and Innovation Centre, Teagasc Grange, Dunsany, Ireland
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Pat Lonergan
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Beatriz Fernandez-Fuertes
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| |
Collapse
|
47
|
The role of semen and seminal plasma in inducing large-scale genomic changes in the female porcine peri-ovulatory tract. Sci Rep 2020; 10:5061. [PMID: 32193402 PMCID: PMC7081221 DOI: 10.1038/s41598-020-60810-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 02/14/2020] [Indexed: 12/15/2022] Open
Abstract
Semen modifies the expression of genes related to immune function along the porcine female internal genital tract. Whether other pathways are induced by the deposition of spermatozoa and/or seminal plasma (SP), is yet undocumented. Here, to determine their relative impact on the uterine and tubal transcriptomes, microarray analyses were performed on the endocervix, endometrium and endosalpinx collected from pre-ovulatory sows 24 h after either mating or artificial insemination (AI) with specific ejaculate fractions containing spermatozoa or sperm-free SP. After enrichment analysis, we found an overrepresentation of genes and pathways associated with sperm transport and binding, oxidative stress and cell-to-cell recognition, such as PI3K-Akt, FoxO signaling, glycosaminoglycan biosynthesis and cAMP-related transcripts, among others. Although semen (either after mating or AI) seemed to have the highest impact along the entire genital tract, our results demonstrate that the SP itself also modifies the transcriptome. The detected modifications of the molecular profiles of the pre/peri-ovulatory endometrium and endosalpinx suggest an interplay for the survival, transport and binding of spermatozoa through, for instance the up-regulation of the Estrogen signaling pathway associated with attachment and release from the oviductal reservoir.
Collapse
|
48
|
Zigo M, Maňásková-Postlerová P, Zuidema D, Kerns K, Jonáková V, Tůmová L, Bubeníčková F, Sutovsky P. Porcine model for the study of sperm capacitation, fertilization and male fertility. Cell Tissue Res 2020; 380:237-262. [PMID: 32140927 DOI: 10.1007/s00441-020-03181-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/28/2020] [Indexed: 12/12/2022]
Abstract
Mammalian fertilization remains a poorly understood event with the vast majority of studies done in the mouse model. The purpose of this review is to revise the current knowledge about semen deposition, sperm transport, sperm capacitation, gamete interactions and early embryonic development with a focus on the porcine model as a relevant, alternative model organism to humans. The review provides a thorough overview of post-ejaculation events inside the sow's reproductive tract including comparisons with humans and implications for human fertilization and assisted reproductive therapy (ART). Porcine methodology for sperm handling, preservation, in vitro capacitation, oocyte in vitro maturation, in vitro fertilization and intra-cytoplasmic sperm injection that are routinely used in pig research laboratories can be successfully translated into ART to treat human infertility. Last, but not least, new knowledge about mitochondrial inheritance in the pig can provide an insight into human mitochondrial diseases and new knowledge on polyspermy defense mechanisms could contribute to the development of new male contraceptives.
Collapse
Affiliation(s)
- Michal Zigo
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA.
| | - Pavla Maňásková-Postlerová
- Laboratory of Reproductive Biology, Institute of Biotechnology of the Czech Academy of Sciences, 25250, Vestec, Czech Republic.,Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, 16521, Prague, Czech Republic
| | - Dalen Zuidema
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Karl Kerns
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Věra Jonáková
- Laboratory of Reproductive Biology, Institute of Biotechnology of the Czech Academy of Sciences, 25250, Vestec, Czech Republic
| | - Lucie Tůmová
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, 16521, Prague, Czech Republic
| | - Filipa Bubeníčková
- Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, 16521, Prague, Czech Republic
| | - Peter Sutovsky
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA.,Department of Obstetrics, Gynecology & Women's Health, University of Missouri, Columbia, MO, 65211, USA
| |
Collapse
|
49
|
Abstract
Seminal fluid is often assumed to have just one function in mammalian reproduction, delivering sperm to fertilize oocytes. But seminal fluid also transmits signaling agents that interact with female reproductive tissues to facilitate conception and .pregnancy. Upon seminal fluid contact, female tissues initiate a controlled inflammatory response that affects several aspects of reproductive function to ultimately maximize the chances of a male producing healthy offspring. This effect is best characterized in mice, where the female response involves several steps. Initially, seminal fluid factors cause leukocytes to infiltrate the female reproductive tract, and to selectively target and eliminate excess sperm. Other signals stimulate ovulation, induce an altered transcriptional program in female tract tissues that modulates embryo developmental programming, and initiate immune adaptations to promote receptivity to implantation and placental development. A key result is expansion of the pool of regulatory T cells that assist implantation by suppressing inflammation, mediating tolerance to male transplantation antigens, and promoting uterine vascular adaptation and placental development. Principal signaling agents in seminal fluid include prostaglandins and transforming growth factor-β. The balance of male signals affects the nature of the female response, providing a mechanism of ‟cryptic female choiceˮ that influences female reproductive investment. Male-female seminal fluid signaling is evident in all mammalian species investigated including human, and effects of seminal fluid in invertebrates indicate evolutionarily conserved mechanisms. Understanding the female response to seminal fluid will shed new light on infertility and pregnancy disorders and is critical to defining how events at conception influence offspring health.
Collapse
Affiliation(s)
- John E Schjenken
- Robinson Research Institute and Adelaide Medical School, University of Adelaide, Adelaide, Australia
| | - Sarah A Robertson
- Robinson Research Institute and Adelaide Medical School, University of Adelaide, Adelaide, Australia
| |
Collapse
|
50
|
Badrakh D, Yanagawa Y, Nagano M, Katagiri S. Effect of seminal plasma infusion into the vagina on the normalization of endometrial epidermal growth factor concentrations and fertility in repeat breeder dairy cows. J Reprod Dev 2020; 66:149-154. [PMID: 31996487 PMCID: PMC7175382 DOI: 10.1262/jrd.2019-148] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Epidermal growth factor (EGF) concentrations in the uterus show two peaks on days 2–4 and 13–14 during the estrous cycle in fertile cows. Loss of the two peaks has been linked to reduced
fertility in repeat breeder cows. This study aimed to examine the effect of seminal plasma (SP) on normalizing endometrial EGF concentrations and restoring fertility in repeat breeder cows
with low EGF concentrations on day 3. In study 1, we examined the effect of the deposition sites (the vagina and uterus) of SP on the endometrial EGF concentrations in repeat breeder cows.
SP infusion into the vagina, but not uterus, on the first day of the estrus cycle (day 0) normalized the endometrial EGF concentrations (≥ 4.7 ng/g tissue weight) on day 3. In study 2, the
effect of SP volume (0.5 and 10 ml of SP and 0.5 ml of SP diluted to 10 ml) on EGF concentrations was examined. All groups with SP infusion had increased EGF concentrations on day 3, and
cows with 10 ml of SP and 0.5 ml of SP diluted to 10 ml showed the highest levels of EGF concentrations. In study 3, we examined the effect of SP infusion on fertility. SP infusion
normalized two peaks of endometrial EGF concentrations in about 60% of repeat breeder cows and produced more pregnancies than the controls (44.4 vs. 19.4%). Therefore, we
concluded that SP may contain an activity to normalize the EGF profile and restore fertility in repeat breeder cows with altered EGF profiles.
Collapse
Affiliation(s)
- Dagvajamts Badrakh
- Laboratory of Theriogenology, Department of Clinical Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Yojiro Yanagawa
- Laboratory of Theriogenology, Department of Clinical Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Masashi Nagano
- Laboratory of Theriogenology, Department of Clinical Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Seiji Katagiri
- Department of Veterinary Environmental Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| |
Collapse
|