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Bromfield JJ. Interaction of semen with female reproductive tract tissues: what we know, what we guess and what we need to do. Anim Reprod 2024; 21:e20240042. [PMID: 39176000 PMCID: PMC11340795 DOI: 10.1590/1984-3143-ar2024-0042] [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: 03/30/2024] [Accepted: 05/20/2024] [Indexed: 08/24/2024] Open
Abstract
For nearly 100 years the postcoital inflammatory response has been described in the female reproductive tract of rodents. Since the 1950's this observation has been made in a number of animals including humans and domestic species. Yet pregnancy can be initiated and maintained by using embryo transfer which bypasses insemination and the related postcoital inflammatory response. Thus, the role of semen exposure beyond sperm transport and subsequent postcoital inflammatory response in female reproductive tissues has yet to be given a true physiological purpose. Historically the postcoital inflammatory response of female tissues was suggested to remove spermatozoa and male derived pathogens from the female reproductive tract. More recently, semen exposure and the postcoital inflammatory response have been suggested to play a role in long-term preparation of the maternal immune system to the semi-allogeneic pregnancy, ancillary support of the preimplantation embryo, and potentially fetal programing that improves pregnancy outcomes, while the absence or inappropriate postcoital inflammation has been suggested to contribute to pregnancy complications. Although the postcoital inflammatory response has been robustly characterized, the evidence for its role in promoting positive pregnancy outcomes or reducing pregnancy complications remains tenuous. This manuscript is designed to balance the information we know regarding semen exposure and postcoital inflammation in various animal systems, with the information we perceive to be factual but perhaps not yet fully tested, along with the data we have yet to generate if we intend to postulate a physiological purpose of the postcoital inflammatory response to pregnancy outcomes.
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Ji K, Zhong J, Cui L, Wang X, Chen LN, Wen B, Yang F, Deng W, Pan X, Wang L, Bao J, Chen Y, Liu H. Exploring myometrial microenvironment changes at the single-cell level from nonpregnant to term pregnant states. Physiol Genomics 2024; 56:32-47. [PMID: 37955337 PMCID: PMC11281821 DOI: 10.1152/physiolgenomics.00067.2023] [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: 07/10/2023] [Revised: 10/23/2023] [Accepted: 11/12/2023] [Indexed: 11/14/2023] Open
Abstract
The microenvironment and cell populations within the myometrium play crucial roles in maintaining uterine structural integrity and protecting the fetus during pregnancy. However, the specific changes occurring at the single-cell level in the human myometrium between nonpregnant (NP) and term pregnant (TP) states remain unexplored. In this study, we used single-cell RNA sequencing (scRNA-Seq) and spatial transcriptomics (ST) to construct a transcriptomic atlas of individual cells in the myometrium of NP and TP women. Integrated analysis of scRNA-Seq and ST data revealed spatially distinct transcriptional characteristics and examined cell-to-cell communication patterns based on ligand-receptor interactions. We identified and categorized 87,845 high-quality individual cells into 12 populations from scRNA-Seq data of 12 human myometrium tissues. Our findings demonstrated alterations in the proportions of five subpopulations of smooth muscle cells in TP. Moreover, an increase in monocytic cells, particularly M2 macrophages, was observed in TP myometrium samples, suggesting their involvement in the anti-inflammatory response. This study provides unprecedented single-cell resolution of the NP and TP myometrium, offering new insights into myometrial remodeling during pregnancy.NEW & NOTEWORTHY Using single-cell RNA sequencing and spatial transcriptomics, the myometrium was examined at the single-cell level during pregnancy. We identified spatially distinct cell populations and observed alterations in smooth muscle cells and increased M2 macrophages in term pregnant women. These findings offer unprecedented insights into myometrial remodeling and the anti-inflammatory response during pregnancy. The study advances our understanding of pregnancy-related myometrial changes.
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Affiliation(s)
- Kaiyuan Ji
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Junmin Zhong
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Long Cui
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Xiaodi Wang
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Li-Na Chen
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Bolun Wen
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Fan Yang
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Wenfeng Deng
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Xiuyu Pan
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Lele Wang
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Junjie Bao
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - YunShan Chen
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
| | - Huishu Liu
- Guangzhou Key Laboratory of Maternal-Fetal Medicine, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, People's Republic of China
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3
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Weng J, Couture C, Girard S. Innate and Adaptive Immune Systems in Physiological and Pathological Pregnancy. BIOLOGY 2023; 12:402. [PMID: 36979094 PMCID: PMC10045867 DOI: 10.3390/biology12030402] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023]
Abstract
The dynamic immunological changes occurring throughout pregnancy are well-orchestrated and important for the success of the pregnancy. One of the key immune adaptations is the maternal immune tolerance towards the semi-allogeneic fetus. In this review, we provide a comprehensive overview of what is known about the innate and adaptive immunological changes in pregnancy and the role(s) of specific immune cells during physiological and pathological pregnancy. Alongside this, we provided details of remaining questions and challenges, as well as future perspectives for this growing field of research. Understanding the immunological changes that occur can inform potential strategies on treatments for the optimal health of the neonate and pregnant individual both during and after pregnancy.
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Affiliation(s)
- Jessica Weng
- Mayo Clinic Medical Scientist Training Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA
| | - Camille Couture
- Department of Microbiology, Infectiology and Immunology, Universite de Montreal, Ste-Justine Hospital Research Center, Montreal, QC H3T 1C5, Canada
| | - Sylvie Girard
- Department of Obstetrics & Gynecology, Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA
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4
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Jena SR, Nayak J, Kumar S, Kar S, Samanta L. Comparative proteome profiling of seminal components reveal impaired immune cell signalling as paternal contributors in recurrent pregnancy loss patients. Am J Reprod Immunol 2023; 89:e13613. [PMID: 35998016 DOI: 10.1111/aji.13613] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 05/06/2022] [Accepted: 08/15/2022] [Indexed: 02/01/2023] Open
Abstract
PROBLEM Recurrent pregnancy loss (RPL) is usually evaluated from a women's perspective, however, recent evidence implies involvement of male factors as paternally expressed genes predominate placenta. During fertilization, prior to implantation the immune system purposefully produces early pregnancy factors with potent immunomodulatory properties for adaptation to antigenically dissimilar embryo. Therefore, it is hypothesized that paternal immunological factors play a role in RPL. METHOD OF STUDY Comparative proteome profiling (label free liquid chromatography mass spectroscopy: LC-MS/MS) of the seminal extracellular vesicles (SEVs), extracellular vesicle free seminal plasma (EVF-SP) and spermatozoa was carried out in semen of RPL patients (n = 21) and fertile donors (n = 21). This was followed by pathway and protein-protein interaction analysis, and validation of key proteins' expression (western blot). RESULTS A total of 68, 28 and 49 differentially expressed proteins in SEVs, EVF-SP and spermatozoa of RPL patients, respectively, were found to be involved in inflammatory response, immune cell signalling and apoptosis. In SEVs, underexpressed GDF-15 and overexpressed C3 imply distorted maternal immune response to paternal antigens leading to impaired decidualization. Dysregulated TGFβ signalling in EVF-SP surmises defective modulation of inflammatory response and induction of immune tolerance to seminal antigens in the female reproductive tract through generation of regulatory T cells. Retained histone variants in spermatozoa construe defective expression of early paternal genes, while underexpressed PTN may inflict defective angiogenesis resulting in expulsion of decidua. CONCLUSIONS Impaired modulation of immune response and improper placental development due to altered cytokine levels in seminal components may be the contributing paternal factors in RPL.
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Affiliation(s)
- Soumya Ranjan Jena
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, College Square, Cuttack, Odisha, India.,Centre of Excellence in Environment and Public Health, Ravenshaw University, College Square, Cuttack, Odisha, India
| | - Jasmine Nayak
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, College Square, Cuttack, Odisha, India.,Centre of Excellence in Environment and Public Health, Ravenshaw University, College Square, Cuttack, Odisha, India
| | - Sugandh Kumar
- School of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Sujata Kar
- Department of Obstetrics & Gynaecology, Kar Clinic and Hospital Pvt. Ltd., Bhubaneswar, India
| | - Luna Samanta
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, College Square, Cuttack, Odisha, India.,Centre of Excellence in Environment and Public Health, Ravenshaw University, College Square, Cuttack, Odisha, India
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5
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Khachadourian V, Zaks N, Lin E, Reichenberg A, Janecka M. Reprint of: Advanced paternal age and risk of schizophrenia in offspring - Review of epidemiological findings and potential mechanisms. Schizophr Res 2022; 247:84-91. [PMID: 36085274 DOI: 10.1016/j.schres.2022.08.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 11/28/2022]
Abstract
A large number of studies have examined the association between advanced paternal age (APA) and risk of schizophrenia in offspring. Here we present an overview of epidemiological studies on this subject published since 2000, and systematically summarize their methodologies and results. Next, we discuss evidence to elucidate the potential mechanisms contributing to the association between APA and offspring schizophrenia, considering paternal psychiatric morbidity and genetic liability, maternal factors, and findings from family design studies. We propose that multiple mechanisms, including causal and non-causal pathways, contribute to the observed relationship between APA and schizophrenia in offspring, and conclude by highlighting the need for multi-disciplinary studies in disentangling these complex, non-mutually exclusive mechanisms.
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Affiliation(s)
- Vahe Khachadourian
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America.
| | - Nina Zaks
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Emma Lin
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Abraham Reichenberg
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Magdalena Janecka
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
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6
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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.
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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
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7
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Bafor EE, Valencia JC, Young HA. Double Negative T Regulatory Cells: An Emerging Paradigm Shift in Reproductive Immune Tolerance? Front Immunol 2022; 13:886645. [PMID: 35844500 PMCID: PMC9283768 DOI: 10.3389/fimmu.2022.886645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 06/06/2022] [Indexed: 11/13/2022] Open
Abstract
Immune regulation of female reproductive function plays a crucial role in fertility, as alterations in the relationship between immune and reproductive processes result in autoimmune subfertility or infertility. The breakdown of immune tolerance leads to ovulation dysfunction, implantation failure, and pregnancy loss. In this regard, immune cells with regulatory activities are essential to restore self-tolerance. Apart from regulatory T cells, double negative T regulatory cells (DNTregs) characterized by TCRαβ+/γδ+CD3+CD4–CD8– (and negative for natural killer cell markers) are emerging as effector cells capable of mediating immune tolerance in the female reproductive system. DNTregs are present in the female reproductive tract of humans and murine models. However, their full potential as immune regulators is evolving, and studies so far indicate that DNTregs exhibit features that can also maintain tolerance in the female reproductive microenvironment. This review describes recent progress on the presence, role and mechanisms of DNTregs in the female reproductive system immune regulation and tolerance. In addition, we address how DNTregs can potentially provide a paradigm shift from the known roles of conventional regulatory T cells and immune tolerance by maintaining and restoring balance in the reproductive microenvironment of female fertility.
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Affiliation(s)
- Enitome E Bafor
- Cancer Innovation Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, United States
| | - Julio C Valencia
- Cancer Innovation Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, United States
| | - Howard A Young
- Cancer Innovation Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, United States
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8
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Sereshki N, Rafiee M, Alipour R, Wilkinson D, Ahmadipanah V. CD5 expression by human ejaculated spermatozoa. MIDDLE EAST FERTILITY SOCIETY JOURNAL 2022. [DOI: 10.1186/s43043-022-00095-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
A complex of effector and predominant regulatory immune responses are induced in the female reproductive tract (FRT) due to insemination that is necessary to achieve pregnancy. The expression of immune regulatory molecules by spermatozoa indicates the significance of the interaction between spermatozoa and immune cells recruited to the FRT in the preparation of appropriate immunity for pregnancy occurrence. One of the immune regulatory molecules is CD5 whose expression by spermatozoa has not yet been investigated. Therefore, the aim of this study is to investigate the expression of CD5 on the surface of human spermatozoa. Semen samples were collected from 30 healthy men with normal semen status. CD5 expression on purified spermatozoa was evaluated by flow cytometry methods.
Results
The results showed the mean ± SD percentage of CD5 positive spermatozoa was 49.41 ± 8.73.
Conclusion
CD5 is expressed on spermatozoa.
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9
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Jewanraj J, Ngcapu S, Liebenberg LJP. Semen: A modulator of female genital tract inflammation and a vector for HIV-1 transmission. Am J Reprod Immunol 2021; 86:e13478. [PMID: 34077596 PMCID: PMC9286343 DOI: 10.1111/aji.13478] [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: 02/05/2021] [Revised: 05/07/2021] [Accepted: 05/27/2021] [Indexed: 12/12/2022] Open
Abstract
In order to establish productive infection in women, HIV must transverse the vaginal epithelium and gain access to local target cells. Genital inflammation contributes to the availability of HIV susceptible cells at the female genital mucosa and is associated with higher HIV transmission rates in women. Factors that contribute to genital inflammation may subsequently increase the risk of HIV infection in women. Semen is a highly immunomodulatory fluid containing several bioactive molecules with the potential to influence inflammation and immune activation at the female genital tract. In addition to its role as a vector for HIV transmission, semen induces profound mucosal changes to prime the female reproductive tract for conception. Still, most studies of mucosal immunity are conducted in the absence of semen or without considering its immune impact on the female genital tract. This review discusses the various mechanisms by which semen exposure may influence female genital inflammation and highlights the importance of routine screening for semen biomarkers in vaginal specimens to account for its impact on genital inflammation.
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Affiliation(s)
- Janine Jewanraj
- Centre for the AIDS Programme of Research in South Africa (CAPRISA)DurbanSouth Africa
- Department of Medical MicrobiologyUniversity of KwaZulu‐NatalDurbanSouth Africa
| | - Sinaye Ngcapu
- Centre for the AIDS Programme of Research in South Africa (CAPRISA)DurbanSouth Africa
- Department of Medical MicrobiologyUniversity of KwaZulu‐NatalDurbanSouth Africa
| | - Lenine J. P. Liebenberg
- Centre for the AIDS Programme of Research in South Africa (CAPRISA)DurbanSouth Africa
- Department of Medical MicrobiologyUniversity of KwaZulu‐NatalDurbanSouth Africa
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10
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Sereshki N, Andalib A, Toghyani M, Motedayyen H, Hesamian MS, Rezaei A, Wilkinson D. Spermatozoa Induce Maternal Mononuclear Cells for Production of Antibody with Cytotoxic Activity on Paternal Blood Mononuclear Cells. CELL JOURNAL 2021; 23:349-354. [PMID: 34308579 PMCID: PMC8286455 DOI: 10.22074/cellj.2021.7157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 01/20/2020] [Indexed: 11/04/2022]
Abstract
Objective The maternal immune response to paternal antigens is induced at insemination. We believe that pregnancy protective alloantibodies, such as anti-paternal cytotoxic antibody (APCA), may be produced against the paternal antigens in the context of stimulated immunity at insemination and that they increase during pregnancy. APCA is necessary for pregnancy. It is directed towards paternal human leucocyte antigens (HLAs) and has cytotoxic activity against paternal leucocytes. The present study aims to determine whether APCA is produced by the maternal peripheral blood mononuclear cells (PBMCs) in contact with the husband's spermatozoa and to evaluate the relation of APCA production with HLA class I and II expressions by spermatozoa in fertile couples. Materials and Methods This cross-sectional study included 30 fertile couples with at least one child. The maternal PBMCs were co-cultured with the husband's spermatozoa and the supernatant was assessed for the presence of IgG by ELISA. Cytotoxic activity of the supernatant on the husband's PBMCs was assessed by the complement-dependent cytotoxicity (CDC) assay. Results IgG was produced in all co-cultures, and the mean level of supernatant IgG was 669 ng/ml. The cytotoxic activity of the supernatant was observed in all the supernatant obtained from the co-cultures. The mean percentage of APCA in supernatant was 73.93%. Conclusion Based on the results of this study it can be concluded that APCA may be a natural anti-sperm antibody (ASA), which can be produced during exposure to spermatozoa and may have some influence before pregnancy. Further research is required to determine the role of APCA before pregnancy.
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Affiliation(s)
- Nasrin Sereshki
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.,Asadabad School of Medical Science, Asadabad, Iran.
| | - Alireza Andalib
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohadeseh Toghyani
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hossein Motedayyen
- Autoimmune Diseases Research Centre, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Sadegh Hesamian
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Abbas Rezaei
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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11
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Khachadourian V, Zaks N, Lin E, Reichenberg A, Janecka M. Advanced paternal age and risk of schizophrenia in offspring - Review of epidemiological findings and potential mechanisms. Schizophr Res 2021; 233:72-79. [PMID: 34242951 PMCID: PMC8380724 DOI: 10.1016/j.schres.2021.06.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 12/30/2022]
Abstract
A large number of studies have examined the association between advanced paternal age (APA) and risk of schizophrenia in offspring. Here we present an overview of epidemiological studies on this subject published since 2000, and systematically summarize their methodologies and results. Next, we discuss evidence to elucidate the potential mechanisms contributing to the association between APA and offspring schizophrenia, considering paternal psychiatric morbidity and genetic liability, maternal factors, and findings from family design studies. We propose that multiple mechanisms, including causal and non-causal pathways, contribute to the observed relationship between APA and schizophrenia in offspring, and conclude by highlighting the need for multi-disciplinary studies in disentangling these complex, non-mutually exclusive mechanisms.
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Affiliation(s)
- Vahe Khachadourian
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America.
| | - Nina Zaks
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Emma Lin
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Abraham Reichenberg
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Magdalena Janecka
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
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12
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Wu L, Ding Y, Han S, Wang Y. Role of Exosomes in the Exchange of Spermatozoa after Leaving the Seminiferous Tubule: A Review. Curr Drug Metab 2021; 21:330-338. [PMID: 32433001 DOI: 10.2174/1389200221666200520091511] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/05/2020] [Accepted: 01/15/2020] [Indexed: 01/01/2023]
Abstract
BACKGROUND Exosomes are extracellular vesicles (EVs) released from cells upon fusion of an intermediate endocytic compartment with the plasma membrane. They refer to the intraluminal vesicles released from the fusion of multivesicular bodies with the plasma membrane. The contents and number of exosomes are related to diseases such as metabolic diseases, cancer and inflammatory diseases. Exosomes have been used in neurological research as a drug delivery tool and also as biomarkers for diseases. Recently, exosomes were observed in the seminal plasma of the one who is asthenozoospermia, which can affect sperm motility and capacitation. OBJECTIVE The main objective of this review is to deeply discuss the role of exosomes in spermatozoa after leaving the seminiferous tubule. METHODS We conducted an extensive search of the literature available on relationships between exosomes and exosomes in spermatozoa on the bibliographic database. CONCLUSION This review thoroughly discussed the role that exosomes play in the exchange of spermatozoa after leaving the seminiferous tubule and its potential as a drug delivery tool and biomarkers for diseases as well.
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Affiliation(s)
- Luming Wu
- Gansu Key Laboratory of Reproductive Medicine and Embryo,The First Hospital of Lanzhou University, Lanzhou, China
| | - Yuan Ding
- Gansu Key Laboratory of Reproductive Medicine and Embryo,The First Hospital of Lanzhou University, Lanzhou, China
| | - Shiqiang Han
- Linxia Hui Autonomous Prefecture Maternity and Childcare Hospital, Linxia, China
| | - Yiqing Wang
- Gansu Key Laboratory of Reproductive Medicine and Embryo,The First Hospital of Lanzhou University, Lanzhou, China
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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: 67] [Impact Index Per Article: 22.3] [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.
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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.)
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Application of Ligilactobacillus salivarius CECT5713 to Achieve Term Pregnancies in Women with Repetitive Abortion or Infertility of Unknown Origin by Microbiological and Immunological Modulation of the Vaginal Ecosystem. Nutrients 2021; 13:nu13010162. [PMID: 33419054 PMCID: PMC7825435 DOI: 10.3390/nu13010162] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/28/2020] [Accepted: 12/30/2020] [Indexed: 01/01/2023] Open
Abstract
In this study, the cervicovaginal environment of women with reproductive failure (repetitive abortion, infertility of unknown origin) was assessed and compared to that of healthy fertile women. Subsequently, the ability of Ligilactobacillus salivarius CECT5713 to increase pregnancy rates in women with reproductive failure was evaluated. Vaginal pH and Nugent score were higher in women with reproductive failure than in fertile women. The opposite was observed regarding the immune factors TGF-β 1, TFG-β 2, and VEFG. Lactobacilli were detected at a higher frequency and concentration in fertile women than in women with repetitive abortion or infertility. The metataxonomic study revealed that vaginal samples from fertile women were characterized by the high abundance of Lactobacillus sequences, while DNA from this genus was practically absent in one third of samples from women with reproductive failure. Daily oral administration of L. salivarius CECT5713 (~9 log10 CFU/day) to women with reproductive failure for a maximum of 6 months resulted in an overall successful pregnancy rate of 56%. The probiotic intervention modified key microbiological, biochemical, and immunological parameters in women who got pregnant. In conclusion, L. salivarius CECT5713 has proved to be a good candidate to improve reproductive success in women with reproductive failure.
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Semen Modulates Inflammation and Angiogenesis in the Reproductive Tract of Female Rabbits. Animals (Basel) 2020; 10:ani10122207. [PMID: 33255666 PMCID: PMC7761520 DOI: 10.3390/ani10122207] [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: 10/19/2020] [Revised: 11/18/2020] [Accepted: 11/18/2020] [Indexed: 11/17/2022] Open
Abstract
The maternal environment modulates immune responses to facilitate embryo development and ensure pregnancy. Unraveling this modulation could improve the livestock breeding systems. Here it is hypothesized that the exposure of the female rabbit reproductive tract to semen, as well as to early embryos, modulates inflammation and angiogenesis among different tissue segments. qPCR analysis of the gene expression changes of the anti-inflammatory interleukin-10 (IL10) and transforming growth factor beta family (TGFβ1-3) and the angiogenesis mediator vascular endothelial growth factor (VEGF-A) were examined in response to mating or insemination with sperm-free seminal plasma (SP). Reproductive tract segment (cervix to infundibulum) samples were obtained in Experiment 1, 20 h after gonadotropin-releasing hormone (GnRH) stimulation (control), natural mating (NM) or vaginal infusion with sperm-free SP (SP-AI). Additionally, segmented samples were also obtained at 10, 24, 36, 68 or 72 h after GnRH-stimulation and natural mating (Experiment 2). The results of gene expression, analyzed by quantitative PCR, showed that NM effects were mainly localized in the uterine tissues, depicting clear temporal variation, while SP-AI effects were restricted to the oviduct. Changes in anti-inflammatory and angiogenesis mediators indicate an early response in the uterus and a late modulation in the oviduct either induced by semen or preimplantation embryos. This knowledge could be used in the implementation of physiological strategies in breeding systems to face the new challenges on rabbit productivity and sustainability.
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Mayoral Andrade G, Vásquez Martínez G, Pérez-Campos Mayoral L, Hernández-Huerta MT, Zenteno E, Pérez-Campos Mayoral E, Martínez Cruz M, Martínez Cruz R, Matias-Cervantes CA, Meraz Cruz N, Romero Díaz C, Cruz-Parada E, Pérez-Campos E. Molecules and Prostaglandins Related to Embryo Tolerance. Front Immunol 2020; 11:555414. [PMID: 33329514 PMCID: PMC7710691 DOI: 10.3389/fimmu.2020.555414] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 10/19/2020] [Indexed: 12/20/2022] Open
Abstract
It is generally understood that the entry of semen into the female reproductive tract provokes molecular and cellular changes facilitating conception and pregnancy. We show a broader picture of the participation of prostaglandins in the fertilization, implantation and maintenance of the embryo. A large number of cells and molecules are related to signaling networks, which regulate tolerance to implantation and maintenance of the embryo and fetus. In this work, many of those cells and molecules are analyzed. We focus on platelets, polymorphonuclear leukocytes, and group 2 innate lymphoid cells involved in embryo tolerance in order to have a wider view of how prostaglandins participate. The combination of platelets and neutrophil extracellular traps (Nets), uterine innate lymphoid cells (uILC), Treg cells, NK cells, and sex hormones have an important function in immunological tolerance. In both animals and humans, the functions of these cells can be regulated by prostaglandins and soluble factors in seminal plasma to achieve an immunological balance, which maintains fetal-maternal tolerance. Prostaglandins, such as PGI2 and PGE2, play an important role in the suppression of the previously mentioned cells. PGI2 inhibits platelet aggregation, in addition to IL-5 and IL-13 expression in ILC2, and PGE2 inhibits some neutrophil functions, such as chemotaxis and migration processes, leukotriene B4 (LTB4) biosynthesis, ROS production, and the formation of extracellular traps, which could help prevent trophoblast injury and fetal loss. The implications are related to fertility in female when seminal fluid is deposited in the vagina or uterus.
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Affiliation(s)
- Gabriel Mayoral Andrade
- Research Centre Medicine National Autonomous University of Mexico-Benito Juárez Autonomous University of Oaxaca (UNAM-UABJO), Faculty of Medicine, Benito Juárez Autonomous University of Oaxaca, Oaxaca, Mexico
| | | | - Laura Pérez-Campos Mayoral
- Research Centre Medicine National Autonomous University of Mexico-Benito Juárez Autonomous University of Oaxaca (UNAM-UABJO), Faculty of Medicine, Benito Juárez Autonomous University of Oaxaca, Oaxaca, Mexico
| | | | - Edgar Zenteno
- Department of Biochemistry, School of Medicine, UNAM, Mexico City, México
| | - Eduardo Pérez-Campos Mayoral
- Research Centre Medicine National Autonomous University of Mexico-Benito Juárez Autonomous University of Oaxaca (UNAM-UABJO), Faculty of Medicine, Benito Juárez Autonomous University of Oaxaca, Oaxaca, Mexico
| | | | - Ruth Martínez Cruz
- Research Centre Medicine National Autonomous University of Mexico-Benito Juárez Autonomous University of Oaxaca (UNAM-UABJO), Faculty of Medicine, Benito Juárez Autonomous University of Oaxaca, Oaxaca, Mexico
| | | | - Noemi Meraz Cruz
- School of Medicine, Branch at National Institute of Genomic Medicine, Mexico City, Mexico
| | - Carlos Romero Díaz
- Research Centre Medicine National Autonomous University of Mexico-Benito Juárez Autonomous University of Oaxaca (UNAM-UABJO), Faculty of Medicine, Benito Juárez Autonomous University of Oaxaca, Oaxaca, Mexico
| | - Eli Cruz-Parada
- Biochemistry and Immunology Unit, National Technological of Mexico/ITOaxaca, Oaxaca, Mexico
| | - Eduardo Pérez-Campos
- Biochemistry and Immunology Unit, National Technological of Mexico/ITOaxaca, Oaxaca, Mexico
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Jewanraj J, Ngcapu S, Osman F, Mtshali A, Singh R, Mansoor LE, Abdool Karim SS, Abdool Karim Q, Passmore JAS, Liebenberg LJP. The Impact of Semen Exposure on the Immune and Microbial Environments of the Female Genital Tract. FRONTIERS IN REPRODUCTIVE HEALTH 2020; 2:566559. [PMID: 36304709 PMCID: PMC9580648 DOI: 10.3389/frph.2020.566559] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 10/16/2020] [Indexed: 01/01/2023] Open
Abstract
Background: Semen induces an immune response at the female genital tract (FGT) to promote conception. It is also the primary vector for HIV transmission to women during condomless sex. Since genital inflammation and immune activation increase HIV susceptibility in women, semen-induced alterations at the FGT may have implications for HIV risk. Here we investigated the impact of semen exposure, as measured by self-reported condom use and Y-chromosome DNA (YcDNA) detection, on biomarkers of female genital inflammation associated with HIV acquisition. Methods: Stored genital specimens were collected biannually (mean 5 visits) from 153 HIV-negative women participating in the CAPRISA 008 tenofovir gel open-label extension trial. YcDNA was detected in cervicovaginal lavage (CVL) pellets by RT-PCR and served as a biomarker of semen exposure within 15 days of genital sampling. Protein concentrations were measured in CVL supernatants by multiplexed ELISA, and the frequency of activated CD4+CCR5+ HIV targets was assessed on cytobrush-derived specimens by flow cytometry. Common sexually transmitted infections (STIs) and bacterial vaginosis (BV)-associated bacteria were measured by PCR. Multivariable linear mixed models were used to assess the relationship between YcDNA detection and biomarkers of inflammation over time. Results: YcDNA was detected at least once in 69% (106/153) of women during the trial (median 2, range 1-5 visits), and was associated with marital status, cohabitation, the frequency of vaginal sex, and Nugent Score. YcDNA detection but not self-reported condom use was associated with elevated concentrations of several cytokines: IL-12p70, IL-10, IFN-γ, IL-13, IP-10, MIG, IL-7, PDGF-BB, SCF, VEGF, β-NGF, and biomarkers of epithelial barrier integrity: MMP-2 and TIMP-4; and with reduced concentrations of IL-18 and MIF. YcDNA detection was not associated with alterations in immune cell frequencies but was related to increased detection of P. bivia (OR = 1.970; CI 1.309-2.965; P = 0.001) at the FGT. Conclusion: YcDNA detection but not self-reported condom use was associated with alterations in cervicovaginal cytokines, BV-associated bacteria, and matrix metalloproteinases, and may have implications for HIV susceptibility in women. This study highlights the discrepancies related to self-reported condom use and the need for routine screening for biomarkers of semen exposure in studies of mucosal immunity to HIV and other STIs.
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Affiliation(s)
- Janine Jewanraj
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
| | - Sinaye Ngcapu
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
| | - Farzana Osman
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
| | - Andile Mtshali
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
| | - Ravesh Singh
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
- Department of Microbiology, National Health Laboratory Services, KwaZulu-Natal Academic Complex, Inkosi Albert Luthuli Central Hospital, Durban, South Africa
| | - Leila E. Mansoor
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- School of Nursing and Public Health, University of KwaZulu-Natal, Durban, South Africa
| | - Salim S. Abdool Karim
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Department of Epidemiology, Columbia University, New York, NY, United States
| | - Quarraisha Abdool Karim
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Department of Epidemiology, Columbia University, New York, NY, United States
| | - Jo-Ann S. Passmore
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
- National Health Laboratory Services, Johannesburg, South Africa
| | - Lenine J. P. Liebenberg
- Center for the AIDS Programme of Research in South Africa (CAPRISA), Durban, South Africa
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
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Moorey SE, Walker BN, Elmore MF, Elmore JB, Rodning SP, Biase FH. Rewiring of gene expression in circulating white blood cells is associated with pregnancy outcome in heifers (Bos taurus). Sci Rep 2020; 10:16786. [PMID: 33033295 PMCID: PMC7544915 DOI: 10.1038/s41598-020-73694-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/18/2020] [Indexed: 12/23/2022] Open
Abstract
Infertility is a challenging phenomenon in cattle that reduces the sustainability of beef production worldwide. Here, we tested the hypothesis that gene expression profiles of protein-coding genes expressed in peripheral white blood cells (PWBCs), and circulating micro RNAs in plasma, are associated with female fertility, measured by pregnancy outcome. We drew blood samples from 17 heifers on the day of artificial insemination and analyzed transcript abundance for 10,496 genes in PWBCs and 290 circulating micro RNAs. The females were later classified as pregnant to artificial insemination, pregnant to natural breeding or not pregnant. We identified 1860 genes producing significant differential coexpression (eFDR < 0.002) based on pregnancy outcome. Additionally, 237 micro RNAs and 2274 genes in PWBCs presented differential coexpression based on pregnancy outcome. Furthermore, using a machine learning prediction algorithm we detected a subset of genes whose abundance could be used for blind categorization of pregnancy outcome. Our results provide strong evidence that transcript abundance in circulating white blood cells is associated with fertility in heifers.
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Affiliation(s)
- Sarah E Moorey
- Department of Animal Science, University of Tennessee, 2506 River Drive, Knoxville, TN, 37996, USA
| | - Bailey N Walker
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, 175 West Campus Drive, Blacksburg, VA, 24061, USA
| | - Michelle F Elmore
- Department of Animal Sciences, Auburn University, 107 Comer Hall, Auburn, AL, 36849, USA
- Alabama Cooperative Extension System, 107 Comer Hall, Auburn, AL, 36849, USA
| | - Joshua B Elmore
- Alabama Cooperative Extension System, 107 Comer Hall, Auburn, AL, 36849, USA
| | - Soren P Rodning
- Department of Animal Sciences, Auburn University, 107 Comer Hall, Auburn, AL, 36849, USA
| | - Fernando H Biase
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, 175 West Campus Drive, Blacksburg, VA, 24061, USA.
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Lan R, Xin M, Hao Z, You S, Xu Y, Wu J, Dang L, Zhang X, Sun S. Biological Functions and Large-Scale Profiling of Protein Glycosylation in Human Semen. J Proteome Res 2020; 19:3877-3889. [DOI: 10.1021/acs.jproteome.9b00795] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Rongxia Lan
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Miaomiao Xin
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
- Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Vodnany 38925, Czech Republic
| | - Zhifang Hao
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Shanshan You
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Yintai Xu
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Jingyu Wu
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Liuyi Dang
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
| | - Xinwen Zhang
- The Medical Genetics Centre, Xi 'an People's Hospital (Xi 'an Fourth Hospital), Xi’an Obstetrics and Gynecology Hospital, Xi’an, Shaanxi Province 710004, P. R. China
| | - Shisheng Sun
- College of Life Science, Northwest University, Xi’an, Shaanxi Province 710069, P. R. China
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20
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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.
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Affiliation(s)
| | | | | | | | | | | | - J. Apić
- Scientific Veterinary Institute Novi Sad, Serbia
| | - I. Zdraveski
- Faculty of Veterinary Medicine, Republic of Macedonia
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21
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Does the Act of Copulation per se, without Considering Seminal Deposition, Change the Expression of Genes in the Porcine Female Genital Tract? Int J Mol Sci 2020; 21:ijms21155477. [PMID: 32751869 PMCID: PMC7432858 DOI: 10.3390/ijms21155477] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 07/29/2020] [Indexed: 02/07/2023] Open
Abstract
Semen—through its specific sperm and seminal plasma (SP) constituents—induces changes of gene expression in the internal genital tract of pigs, particularly in the functional sperm reservoir at the utero-tubal junction (UTJ). Although seminal effects are similarly elicited by artificial insemination (AI), major changes in gene expression are registered after natural mating, a fact suggesting the act of copulation induces per se changes in genes that AI does not affect. The present study explored which pathways were solely influenced by copulation, affecting the differential expression of genes (DEGs) of the pre/peri-ovulatory genital tract (cervix, distal uterus, proximal uterus and UTJ) of estrus sows, 24 h after various procedures were performed to compare natural mating with AI of semen (control 1), sperm-free SP harvested from the sperm-peak fraction (control 2), sperm-free SP harvested from the whole ejaculate (control 3) or saline-extender BTS (control 4), using a microarray chip (GeneChip® porcine gene 1.0 st array). Genes related to neuroendocrine responses (ADRA1, ADRA2, GABRB2, CACNB2), smooth muscle contractility (WNT7A), angiogenesis and vascular remodeling (poFUT1, NTN4) were, among others, overrepresented with distal and proximal uterine segments exhibiting the highest number of DEGs. The findings provide novel evidence that relevant transcriptomic changes in the porcine female reproductive tract occur in direct response to the specific act of copulation, being semen-independent.
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Das A, Uddin AM, Uddin MB, Rahman ANMA, Hossain MK, Atikuzzaman M. Seminal plasma contains TGF-β and CXCL10 but sperm washing before cryopreservation is beneficial for post-thawing sperm motility in Black Bengal goats (Capra hircus). Am J Reprod Immunol 2020; 84:e13301. [PMID: 32659038 DOI: 10.1111/aji.13301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/29/2020] [Accepted: 07/02/2020] [Indexed: 11/30/2022] Open
Abstract
PROBLEM Artificial insemination, which requires cryopreservation of semen, is not completely optimized in goats because bucks discharge a small volume of ejaculate and seminal plasma (SP) contains specific proteins that are detrimental to spermatozoa at cryopreservation. However, it is not known the effects of sperm washing (removal of SP) before cryopreservation on the post-thawing frozen spermatozoa of Black Bengal bucks. Moreover, it is completely unknown whether SP of goats contains TGF-β and CXCL10 that have been proven essential for fertility in other mammals. METHODS Thirty-five ejaculates were collected from six mature Black Bengal bucks at one-week intervals and were subjected to microscopic evaluation for semen characteristics at pre- and post-freezing condition. The concentrations of TGF-β and CXCL10 in the SP using ELISA were determined. SP was harvested with centrifugation of fresh semen at 1500 g for 15 minutes twice at room temperature. RESULTS Semen characteristics were significantly varied between bucks. Seminal plasma of all ejaculates contained TGF-β and CXCL10 while significant variation of concentrations between bucks was observed in case of CXCL10. Cryopreservation of semen reduced total motility and progressive motility, while sperm washing before cryopreservation was beneficial to the total motility and progressive motility of post-thawing spermatozoa. CONCLUSION Black Bengal buck seminal plasma was affluent of TGF-β and CXCL10 and washing of spermatozoa before cryopreservation was beneficial to the post-thawing sperm motility. The results of the current investigation will be helpful for future research on the roles of SP in female reproductive tract and pregnancy in Black Bengal goats.
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Affiliation(s)
- Ankon Das
- Department of Surgery and Theriogenology, Faculty of Veterinary, Animal and Biomedical Sciences (FVABS), Sylhet Agricultural University (SAU), Sylhet, Bangladesh
| | - Ahm Musleh Uddin
- Department of Surgery and Theriogenology, Faculty of Veterinary, Animal and Biomedical Sciences (FVABS), Sylhet Agricultural University (SAU), Sylhet, Bangladesh
| | | | - Abu Nasar Md Aminoor Rahman
- Department of Gynaecology, Obstetrics & Reproductive Health, Faculty of Veterinary Medicine and Animal Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
| | - Mohammed Kawser Hossain
- Department of Surgery and Theriogenology, Faculty of Veterinary, Animal and Biomedical Sciences (FVABS), Sylhet Agricultural University (SAU), Sylhet, Bangladesh
| | - Mohammad Atikuzzaman
- Department of Surgery and Theriogenology, Faculty of Veterinary, Animal and Biomedical Sciences (FVABS), Sylhet Agricultural University (SAU), Sylhet, Bangladesh
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Bull seminal plasma stimulates in vitro production of TGF-β, IL-6 and IL-8 from bovine endometrial epithelial cells, depending on dose and bull fertility. J Reprod Immunol 2020; 142:103179. [PMID: 32717675 DOI: 10.1016/j.jri.2020.103179] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/07/2020] [Accepted: 07/12/2020] [Indexed: 11/22/2022]
Abstract
Seminal plasma (SP) regulates immune responses in the female reproductive tract through specific cytokines. It is not known whether SP from high fertility bulls (H) differs from SP from low fertility bulls (L). In this study, the cytokine response of bovine endometrial epithelial cells (bEEC) in culture was investigated after challenge with SP from two bulls of below average (L) or three bulls of above average fertility (H). The bEECs were challenged with 1% or 4% SP from l- or H-fertility bulls (L1, L4, H1, H4, respectively) or 1% or 4% PBS as control (C1, C4) for 72 h. The culture media were analysed for concentrations (pg/million cells) of transforming growth factor beta (TGF-β1, TGF-β2 and TGF-β3) by Luminex, and Interleukin 6 and 8 (IL-6, IL-8) by ELISA. Challenge significantly affected production of TGF-ß1, TGF-ß2 and IL-8 compared to controls and was affected by bull fertility (p < 0.0001), SP concentration (p < 0.0001) and their interaction (p < 0.0001). A higher production of TGF-β1, TGF-β2 and IL-8 (p < 0.0001), and also IL-6 (p < 0.01), resulted from challenge with high doses of SP, being higher for L than H (p < 0.05). For TGF-β3, fertility of bull (p < 0.05). For TGF-B3, fertility of bull (p < 0.05) and the interaction between fertility and concentration of SP were significant (p < 0.01). In conclusion, 4% SP from L bulls stimulated more TGF-β1, TGF-β2, TGF-β3, IL-6 and IL-8 production than SP from H bulls, indicating that stimulation of the endometrium is relevant for fertility. Seminal plasma from high fertility bulls seems to affect cytokine production in utero positively in inseminated cows.
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Eikmans M, D. H. Anholts J, Blijleven L, Meuleman T, van Beelen E, van der Hoorn MLP, Claas FHJ. Optimization of microRNA Acquirement from Seminal Plasma and Identification of Diminished Seminal microRNA-34b as Indicator of Low Semen Concentration. Int J Mol Sci 2020; 21:ijms21114089. [PMID: 32521662 PMCID: PMC7312420 DOI: 10.3390/ijms21114089] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/01/2020] [Accepted: 06/03/2020] [Indexed: 12/13/2022] Open
Abstract
About 10–15% of couples who want to conceive suffer from subfertility, while in 30% of these cases, a male factor plays a role. Levels of particular microRNAs in seminal plasma, including those involved in spermatogenesis, may serve as an indicative parameter for subfertility. We first optimized a protocol for acquiring microRNAs from seminal plasma. Next, using a test-validation strategy in a male cohort, we aimed to identify microRNAs of which the levels are related to semen motility and concentration. By qPCR, 742 microRNAs were profiled in three normozoospermic samples, three seminal samples with a low semen motility (asthenozoospermia), and three with a low semen concentration (oligozoospermia). MicroRNAs showing significant differences between groups were further validated in a second cohort consisting of 40 samples with normozoospermia (control group), 47 samples with asthenozoospermia, and 19 samples with oligozoospermia (of which 74% also low motility). Highest microRNA yields were obtained with the Biofluids RNA extraction kit, with inclusion of MS2 RNA carrier and proteinase K treatment to the protocol, and when 50 µL of seminal plasma was used as input. Exosome isolation prior to RNA extraction did not lead to enhanced yields. In the test cohort, 236 microRNAs could be detected, of which 54 microRNAs showed a difference between groups. Five microRNAs were analyzed in the validation cohort. MiR-34b-5p levels in the control group were significantly higher compared to the asthenozoospermia group (p < 0.05) and compared to the oligozoospermia group (p < 0.001). We optimized microRNA acquirement from seminal plasma and identified microRNA levels in relation to semen concentration and motility. As recent human and mouse studies show that the miR-34 family is a marker of low semen concentration and is crucial in spermatogenesis, seminal plasma miR-34b-5p may represent a suitable candidate to study further as a marker of male subfertility.
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Affiliation(s)
- Michael Eikmans
- Department of Immunohematology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (J.D.H.A.); (L.B.); (E.v.B.); (F.H.J.C.)
- Correspondence: ; Tel.: +31-71-526-6722; Fax: +31-71-526-5267
| | - Jacqueline D. H. Anholts
- Department of Immunohematology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (J.D.H.A.); (L.B.); (E.v.B.); (F.H.J.C.)
| | - Laura Blijleven
- Department of Immunohematology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (J.D.H.A.); (L.B.); (E.v.B.); (F.H.J.C.)
| | - Tess Meuleman
- Department of Gynecology and Obstetrics, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands;
| | - Els van Beelen
- Department of Immunohematology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (J.D.H.A.); (L.B.); (E.v.B.); (F.H.J.C.)
| | | | - Frans H. J. Claas
- Department of Immunohematology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands; (J.D.H.A.); (L.B.); (E.v.B.); (F.H.J.C.)
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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: 28] [Impact Index Per Article: 7.0] [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.
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Martinez CA, Alvarez-Rodriguez M, Wright D, Rodriguez-Martinez H. Does the Pre-Ovulatory Pig Oviduct Rule Sperm Capacitation In Vivo Mediating Transcriptomics of Catsper Channels? Int J Mol Sci 2020; 21:ijms21051840. [PMID: 32155986 PMCID: PMC7084628 DOI: 10.3390/ijms21051840] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/04/2020] [Accepted: 03/05/2020] [Indexed: 12/16/2022] Open
Abstract
Spermatozoa need to conduct a series of biochemical changes termed capacitation in order to fertilize. In vivo, capacitation is sequentially achieved during sperm transport and interaction with the female genital tract, by mechanisms yet undisclosed in detail. However, when boar spermatozoa are stored in the tubal reservoir pre-ovulation, most appear to be in a non-capacitated state. This study aimed at deciphering the transcriptomics of capacitation-related genes in the pig pre-ovulatory oviduct, following the entry of semen or of sperm-free seminal plasma (SP). Ex-vivo samples of the utero-tubal junction (UTJ) and isthmus were examined with a microarray chip (GeneChip® Porcine Gene 1.0 ST Array, Thermo Fisher Scientific) followed by bioinformatics for enriched analysis of functional categories (GO terms) and restrictive statistics. The results confirmed that entry of semen or of relative amounts of sperm-free SP modifies gene expression of these segments, pre-ovulation. It further shows that enriched genes are differentially associated with pathways relating to sperm motility, acrosome reaction, single fertilization, and the regulation of signal transduction GO terms. In particular, the pre-ovulation oviduct stimulates the Catsper channels for sperm Ca2+ influx, with AKAPs, CATSPERs, and CABYR genes being positive regulators while PKIs and CRISP1 genes appear to be inhibitors of the process. We postulate that the stimulation of PKIs and CRISP1 genes in the pre-ovulation sperm reservoir/adjacent isthmus, mediated by SP, act to prevent premature massive capacitation prior to ovulation.
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Affiliation(s)
- Cristina A. Martinez
- Department of Biomedical and Clinical Sciences (BKV), BKH/Obstetrics and Gynecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden; (M.A.-R.); (H.R.-M.)
- Correspondence: ; Tel.: +34-678077708
| | - Manuel Alvarez-Rodriguez
- Department of Biomedical and Clinical Sciences (BKV), BKH/Obstetrics and Gynecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden; (M.A.-R.); (H.R.-M.)
| | - Dominic Wright
- Department of Physics, Chemistry and Biology, Faculty of Science and Engineering; Linköping University, SE-58183 Linköping, Sweden;
| | - Heriberto Rodriguez-Martinez
- Department of Biomedical and Clinical Sciences (BKV), BKH/Obstetrics and Gynecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden; (M.A.-R.); (H.R.-M.)
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27
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Alvarez-Rodriguez M, Martinez C, Wright D, Barranco I, Roca J, Rodriguez-Martinez H. The Transcriptome of Pig Spermatozoa, and Its Role in Fertility. Int J Mol Sci 2020; 21:ijms21051572. [PMID: 32106598 PMCID: PMC7084236 DOI: 10.3390/ijms21051572] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 02/19/2020] [Accepted: 02/24/2020] [Indexed: 12/20/2022] Open
Abstract
In the study presented here we identified transcriptomic markers for fertility in the cargo of pig ejaculated spermatozoa using porcine-specific micro-arrays (GeneChip® miRNA 4.0 and GeneChip® Porcine Gene 1.0 ST). We report (i) the relative abundance of the ssc-miR-1285, miR-16, miR-4332, miR-92a, miR-671-5p, miR-4334-5p, miR-425-5p, miR-191, miR-92b-5p and miR-15b miRNAs, and (ii) the presence of 347 up-regulated and 174 down-regulated RNA transcripts in high-fertility breeding boars, based on differences of farrowing rate (FS) and litter size (LS), relative to low-fertility boars in the (Artificial Insemination) AI program. An overrepresentation analysis of the protein class (PANTHER) identified significant fold-increases for C-C chemokine binding (GO:0019957): CCR7, which activates B- and T-lymphocytes, 8-fold increase), XCR1 and CXCR4 (with ubiquitin as a natural ligand, 1.24-fold increase), cytokine receptor activity (GO:0005126): IL23R receptor of the IL23 protein, associated to JAK2 and STAT3, 3.4-fold increase), the TGF-receptor (PC00035) genes ACVR1C and ACVR2B (12-fold increase). Moreover, two micro-RNAs (miR-221 and mir-621) were down- and up-regulated, respectively, in high-fertility males. In conclusion, boars with different fertility performance possess a wide variety of differentially expressed RNA present in spermatozoa that would be attractive targets as non-invasive molecular markers for predicting fertility.
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Affiliation(s)
- Manuel Alvarez-Rodriguez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden; (C.M.); (H.R.-M.)
- Correspondence: e-mail: ; Phone: +46-(0)729427883
| | - Cristina Martinez
- Department of Biomedical & Clinical Sciences (BKV), BKH/Obstetrics & Gynaecology, Faculty of Medicine and Health Sciences, Linköping University, SE-58185 Linköping, Sweden; (C.M.); (H.R.-M.)
| | - Dominic Wright
- Department of Physics, Chemistry and Biology, Faculty of Science and Engineering, Linköping University, SE-58183 Linköping, Sweden
| | - Isabel Barranco
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Department of Biology, Institute of Food and Agricultural Technology, University of Girona, 17003 Girona, Spain;
| | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, International Campus for Higher Education and Research “Campus Mare Nostrum”, University of Murcia, 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; (C.M.); (H.R.-M.)
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Murthi P, Pinar AA, Dimitriadis E, Samuel CS. Inflammasomes-A Molecular Link for Altered Immunoregulation and Inflammation Mediated Vascular Dysfunction in Preeclampsia. Int J Mol Sci 2020; 21:ijms21041406. [PMID: 32093005 PMCID: PMC7073120 DOI: 10.3390/ijms21041406] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/16/2020] [Accepted: 02/17/2020] [Indexed: 12/14/2022] Open
Abstract
Preeclampsia (PE) is a pregnancy-specific multisystem disorder and is associated with maladaptation of the maternal cardiovascular system and abnormal placentation. One of the important characteristics in the pathophysiology of PE is a dysfunction of the placenta. Placental insufficiency is associated with poor trophoblast uterine invasion and impaired transformation of the uterine spiral arterioles to high capacity and low impedance vessels and/or abnormalities in the development of chorionic villi. Significant progress in identifying potential molecular targets in the pathophysiology of PE is underway. The human placenta is immunologically functional with the trophoblast able to generate specific and diverse innate immune-like responses through their expression of multimeric self-assembling protein complexes, termed inflammasomes. However, the type of response is highly dependent upon the stimuli, the receptor(s) expressed and activated, the downstream signaling pathways involved, and the timing of gestation. Recent findings highlight that inflammasomes can act as a molecular link for several components at the syncytiotrophoblast surface and also in maternal blood thereby directly influencing each other. Thus, the inflammasome molecular platform can promote adverse inflammatory effects when chronically activated. This review highlights current knowledge in placental inflammasome expression and activity in PE-affected pregnancies, and consequently, vascular dysfunction in PE that must be addressed as an interdependent interactive process.
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Affiliation(s)
- Padma Murthi
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Victoria 3168, Australia; (A.A.P.); (C.S.S.)
- Hudson Institute of Medical Research, Clayton, Victoria 3168, Australia
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria 3168, Australia;
- Correspondence: ; Tel.: +61-03-99059917
| | - Anita A. Pinar
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Victoria 3168, Australia; (A.A.P.); (C.S.S.)
| | - Evdokia Dimitriadis
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria 3168, Australia;
| | - Chrishan S. Samuel
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Victoria 3168, Australia; (A.A.P.); (C.S.S.)
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Immunoglobulin J chain as a non-invasive indicator of pregnancy in the cheetah (Acinonyx jubatus). PLoS One 2020; 15:e0225354. [PMID: 32040477 PMCID: PMC7010269 DOI: 10.1371/journal.pone.0225354] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 01/22/2020] [Indexed: 11/19/2022] Open
Abstract
The North American cheetah population serves as a reservoir for the species, and acts as a research population to help understand the unique biology of the species. Little is known about the intrauterine physiology of the cheetah, including embryo differentiation, implantation, and the development of the placenta. After mating, cheetah females frequently experience (30–65% of matings) a non-pregnant luteal phase where progestogen metabolite levels match those found in pregnant females for the first ~55 days of gestation, but parturition does not occur. Immunoglobulin J chain (IgJ) is a molecule that is involved in the activation of the secretory immune response and has been found to be indicative of pregnancy in the cheetah using fecal monitoring. In this study, western blotting was employed to track IgJ abundance in pooled weekly fecal samples following natural breeding or exogenous stimulation to ovulate, and IgJ levels were compared between individuals undergoing a pregnant (n = 12) and non-pregnant (n = 19) luteal phase. It was revealed that IgJ abundance was increased in pregnant females compared to non-pregnant females at week 4 and week 8 post-breeding, indicating the potential modulation of maternal immunity in response to sensitive events such as implantation and the increased secretory activity of the placenta. IgJ levels also tended to be higher early after breeding in females that were bred naturally with intact males compared to exogenously stimulated females with no exposure to seminal plasma, potentially indicating a response to the act of intromission or the stress of breeding, or possibly demonstrating an immune response resulting in the promotion of maternal tolerance to seminal antigens present upon embryonic implantation. Monitoring fecal IgJ may be a potential method to determine gestational status in the cheetah and will aid future conservation efforts of the species.
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30
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Silva M, Paiva L, Ratto MH. Ovulation mechanism in South American Camelids: The active role of β-NGF as the chemical signal eliciting ovulation in llamas and alpacas. Theriogenology 2020; 150:280-287. [PMID: 32088046 DOI: 10.1016/j.theriogenology.2020.01.078] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 01/29/2020] [Indexed: 12/22/2022]
Abstract
The ovulation-inducing effect of seminal plasma was first suggested in Bactrian camels over 30 years ago, initiating a long search to identify the 'ovulation-inducing factor' (OIF) present in camelids semen. During the last decade, primarily in llamas and alpacas, this molecule has been intensively studied characterizing its biological and chemical properties and ultimately identifying it as β-Nerve Growth Factor (β-NGF). The high concentration of OIF/β-NGF in seminal plasma of llamas and alpacas, and the striking effects of seminal fluid on ovarian function strongly support the notion of an endocrine mode of action. Also, have challenged the dogma of mating induced ovulation in camelid species, questioning the classical definition of reflex ovulators, which at the light of new evidence should be revised and updated. On the other hand, the presence of OIF/β-NGF and its ovulatory effect in camelids confirm the notion that seminal plasma is not only a transport and survival medium for sperm but also, a signaling agent targeting female tissues after insemination, generating relevant physiological and reproductive consequences. The presence of this molecule, conserved among induced as well as spontaneous ovulating species, clearly suggests that the potential impacts of this reproductive feature extend beyond the camelid species and may have broad implications in mammalian fertility. The aim of the present review is to provide a brief summary of all research efforts undertaken to isolate and identify the ovulation inducing factor present in the seminal plasma of camelids. Also to give an update of the current understanding of the mechanism of action of seminal β-NGF, at central and ovarian level; finally suggesting possible brain targets for this molecule.
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Affiliation(s)
- Mauricio Silva
- Department of Veterinary Sciences and Public Health, Chile; Nucleus of Research on Agrifood Production, Universidad Católica de Temuco, Temuco, Chile
| | - Luis Paiva
- Faculty of Veterinary Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Marcelo H Ratto
- Faculty of Veterinary Sciences, Universidad Austral de Chile, Valdivia, Chile.
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31
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Martinez CA, Cambra JM, Parrilla I, Roca J, Ferreira-Dias G, Pallares FJ, Lucas X, Vazquez JM, Martinez EA, Gil MA, Rodriguez-Martinez H, Cuello C, Álvarez-Rodriguez M. Seminal Plasma Modifies the Transcriptional Pattern of the Endometrium and Advances Embryo Development in Pigs. Front Vet Sci 2019; 6:465. [PMID: 31921921 PMCID: PMC6930161 DOI: 10.3389/fvets.2019.00465] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 12/02/2019] [Indexed: 12/13/2022] Open
Abstract
Background: Seminal plasma (SP) promotes sperm survival and fertilizing capacity, and potentially affects embryo development, presumably via specific signaling pathways to the internal female genital tract. Objectives: This study evaluated how heterologous SP, infused immediately before postcervical artificial insemination (AI) affected embryo development and the transcriptional pattern of the pig endometria containing embryos. Materials and Methods: Postweaning estrus sows (n = 34) received 40-mL intrauterine infusions of either heterologous pooled SP or Beltsville Thawing Solution (BTS; control) 30 min before AI of semen extended to 10% of homologous SP. Embryos (all sows) and endometrium samples (3 sows/group) were removed during laparotomy 6 days after the infusion of SP or BTS to morphologically evaluate the embryos to determine their developmental stage and to analyze the endometrial transcriptome using microarrays (PORGENE 1.0 ST GeneChip array, Affymetrix) followed by qPCR for further validation. Results: Embryo viability was equal between the groups (~93%), but embryo development was significantly (P < 0.05) more advanced in the SP-treated group compared to control. A total of 1,604 endometrium transcripts were differentially expressed in the SP group compared to the control group. An enrichment analysis showed an overrepresentation of genes and pathways associated with the immune response, cytokine signaling, cell cycle, cell adhesion, and hormone response, among others. Conclusions: SP infusions prior to AI positively impacted the preimplantation embryo development and altered the expression of the endometrial genes and pathways potentially involved in embryo development.
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Affiliation(s)
- Cristina A Martinez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain.,Department of Clinical and Experimental Medicine (IKE), Linköping University, Linköping, Sweden
| | - Josep M Cambra
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Inmaculada Parrilla
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Jordi Roca
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Graça Ferreira-Dias
- Department of Morphology and Function, University of Lisbon, Lisbon, Portugal
| | - Francisco J Pallares
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Xiomara Lucas
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Juan M Vazquez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Emilio A Martinez
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | - Maria A Gil
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
| | | | - Cristina Cuello
- Faculty of Veterinary Medicine, International Excellence Campus for Higher Education and Research "Campus Mare Nostrum", University of Murcia, Murcia, Spain.,Institute for Biomedical Research of Murcia (IMIB-Arrixaca), Campus de Ciencias de la Salud, Murcia, Spain
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32
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Archana SS, Selvaraju S, Binsila BK, Arangasamy A, Krawetz SA. Immune regulatory molecules as modifiers of semen and fertility: A review. Mol Reprod Dev 2019; 86:1485-1504. [DOI: 10.1002/mrd.23263] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 08/22/2019] [Indexed: 12/16/2022]
Affiliation(s)
- S. Siddalingappa Archana
- Reproductive Physiology Laboratory, Animal Physiology DivisionICAR‐National Institute of Animal Nutrition and Physiology Bengaluru India
- Department of BiochemistryJain University Bengaluru India
| | - Sellappan Selvaraju
- Reproductive Physiology Laboratory, Animal Physiology DivisionICAR‐National Institute of Animal Nutrition and Physiology Bengaluru India
| | - B. Krishnan Binsila
- Reproductive Physiology Laboratory, Animal Physiology DivisionICAR‐National Institute of Animal Nutrition and Physiology Bengaluru India
| | - Arunachalam Arangasamy
- Reproductive Physiology Laboratory, Animal Physiology DivisionICAR‐National Institute of Animal Nutrition and Physiology Bengaluru India
| | - Stephen A. Krawetz
- Department of Obstetrics and GynecologyWayne State University School of Medicine Detroit Michigan
- Center for Molecular Medicine and GeneticsC.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine Detroit Michigan
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33
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Smits MAJ, Hamer G, Lambalk CB, Goddijn M. Responsibility of scientific community in claiming to have found an association with recurrent pregnancy loss. J Reprod Immunol 2019; 134-135:34. [PMID: 31301823 DOI: 10.1016/j.jri.2019.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 07/03/2019] [Indexed: 10/26/2022]
Affiliation(s)
- M A J Smits
- Center for Reproductive Medicine, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands.
| | - G Hamer
- Center for Reproductive Medicine, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands
| | - C B Lambalk
- Division of Reproductive Medicine, Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, de Boelelaan 1117, 1081 HV, Amsterdam, the Netherlands
| | - M Goddijn
- Center for Reproductive Medicine, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands
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Levy M, Kovo M, Schreiber L, Kleiner I, Grinstein E, Koren L, Barda G, Bar J, Weiner E. Pregnancy outcomes in correlation with placental histopathology in subsequent pregnancies complicated by fetal growth restriction. Placenta 2019; 80:36-41. [PMID: 31103064 DOI: 10.1016/j.placenta.2019.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/13/2019] [Accepted: 04/01/2019] [Indexed: 02/08/2023]
Abstract
OBJECTIVE In attempt to shed new light on the etiopathogenesis of fetal growth restriction (FGR) we aimed to compare pregnancy outcomes and placental histopathology in cases of first vs. subsequent FGR occurrence. STUDY DESIGN Pregnancy and placental reports of FGR pregnancies (defined by birth weight <10th percentile), born between 2008 and 2018 were reviewed. Included only cases with recurrent FGR, in two consecutive pregnancies, thus each subject served as her own control in two FGRs consecutive pregnancies. Neonatal outcome and placental histopathology were compared between the first FGR delivery (first FGR group) and the subsequent FGR delivery (subsequent FGR group). Composite adverse neonatal outcome was defined as one or more early neonatal complications. RESULTS Included in the study a total of 96 cases with recurrence of FGR pregnancies. Placentas from the first FGR group were characterized by higher rate of maternal vascular malperfusion (MVM) lesions as compared with the subsequent FGR group (71.8% versus 55.2%, respectively, p = 0 .02). Adverse neonatal outcome was more prevalent in the first FGR group as compared to the recurrent FGR group (41.6% versus 25%, respectively, p = 0.02). After controlling for confounders, using multivariate regression analysis, placental MVM lesions (aOR = 1.36, 95% CI = 1.12-1.45) and composite adverse neonatal outcome (aOR = 1.18 95% CI = 1.09-1.55) were found to be independently associated with the first FGR group. CONCLUSION First event of FGR is associated with a higher rate of placental MVM lesions and adverse neonatal outcome as compared to FGR in subsequent pregnancies.
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Affiliation(s)
- Michal Levy
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Michal Kovo
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Letizia Schreiber
- Department of Pathology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ilia Kleiner
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel
| | - Ehud Grinstein
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Liron Koren
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Giulia Barda
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Jacob Bar
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eran Weiner
- Department of Obstetrics & Gynecology, The Edith Wolfson Medical Center, Holon, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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35
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Meuleman T, Baden N, Haasnoot GW, Wagner MM, Dekkers OM, le Cessie S, Picavet C, van Lith JMM, Claas FHJ, Bloemenkamp KWM. Oral sex is associated with reduced incidence of recurrent miscarriage. J Reprod Immunol 2019; 133:1-6. [PMID: 30980918 DOI: 10.1016/j.jri.2019.03.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 03/07/2019] [Accepted: 03/25/2019] [Indexed: 12/13/2022]
Abstract
A possible way of immunomodulation of the maternal immune system before pregnancy would be exposure to paternal antigens via seminal fluid to oral mucosa. We hypothesized that women with recurrent miscarriage have had less oral sex compared to women with uneventful pregnancy. In a matched case control study, 97 women with at least three unexplained consecutive miscarriages prior to the 20th week of gestation with the same partner were included. Cases were younger than 36 years at time of the third miscarriage. The control group included 137 matched women with an uneventful pregnancy. The association between oral sex and recurrent miscarriage was assessed with conditional logistic regression, odds ratios (ORs) were estimated. Missing data were imputed using Imputation by Chained Equations. In the matched analysis, 41 out of 72 women with recurrent miscarriage had have oral sex, whereas 70 out of 96 matched controls answered positive to this question (56.9% vs. 72.9%, OR 0.50 95%CI 0.25-0.97, p = 0.04). After imputation of missing exposure data (51.7%), the association became weaker (OR 0.67, 95%CI 0.36-1.24, p = 0.21). In conclusion, this study suggests a possible protective role of oral sex in the occurrence of recurrent miscarriage in a proportion of the cases. Future studies in women with recurrent miscarriage explained by immune abnormalities should reveal whether oral exposure to seminal plasma indeed modifies the maternal immune system, resulting in more live births.
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Affiliation(s)
- T Meuleman
- Department of Obstetrics, Leiden University Medical Centre, Leiden, the Netherlands.
| | - N Baden
- Department of Obstetrics, Leiden University Medical Centre, Leiden, the Netherlands
| | - G W Haasnoot
- Department of Immunohematology and Blood transfusion, Leiden University Medical Centre, Leiden, the Netherlands
| | - M M Wagner
- Department of Obstetrics, Leiden University Medical Centre, Leiden, the Netherlands
| | - O M Dekkers
- Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, the Netherlands
| | - S le Cessie
- Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, the Netherlands; Medical Statistics, Department of Biomedical Datasciences, Leiden University Medical Centre, Leiden, the Netherlands
| | - C Picavet
- AllthatChas Research Consultancy, Amsterdam, the Netherlands
| | - J M M van Lith
- Department of Obstetrics, Leiden University Medical Centre, Leiden, the Netherlands
| | - F H J Claas
- Department of Immunohematology and Blood transfusion, Leiden University Medical Centre, Leiden, the Netherlands
| | - K W M Bloemenkamp
- Department of Obstetrics, Leiden University Medical Centre, Leiden, the Netherlands; Department of Obstetrics, Wilhelmina Children Hospital Birth Centre, Division Woman and Baby, University Medical Centre Utrecht, Utrecht, the Netherlands
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36
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Alkhodair K, Almhanna H, McGetrick J, Gedair S, Gallagher ME, Fernandez-Fuertes B, Tharmalingam T, Larsen PB, Fitzpatrick E, Lonergan P, Evans ACO, Carrington SD, Reid CJ. Siglec expression on the surface of human, bull and ram sperm. Reproduction 2018; 155:361-371. [PMID: 29581386 DOI: 10.1530/rep-17-0475] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Accepted: 02/06/2018] [Indexed: 01/11/2023]
Abstract
Sialic acid (Sia) is a major constituent of both the sperm glycocalyx and female reproductive mucosal surface and is involved in regulating sperm migration, uterotubal reservoir formation and oocyte binding. Siglecs (sialic acid-binding immunoglobulin - like lectins) commonly found on immune cells, bind to Sia in a linkage- and sugar-specific manner and often mediate cell-to-cell interactions and signalling. Proteomic and transcriptomic analysis of human and bovine sperm have listed Siglecs, but to date, their presence and/or localisation on sperm has not been studied. Therefore, the aim of this study was to characterise the presence of Siglecs on the surface of bovine, human and ovine sperm using both immunostaining and Western blotting. Siglec 1, 2, 5, 6, 10 and 14 were identified and displayed both species- and regional-specific expression on sperm. Almost universal expression across Siglecs and species was evident in the sperm neck and midpiece region while variable expression among Siglecs, similar among species, was detected in the head and tail regions of the sperm. The possible role for these proteins on sperm is discussed.
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Affiliation(s)
- K Alkhodair
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - H Almhanna
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland.,School of Veterinary MedicineUniversity of Kufa, Kufa, Iraq
| | - J McGetrick
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - S Gedair
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - M E Gallagher
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - B Fernandez-Fuertes
- School of Agriculture and Food ScienceUniversity College Dublin, Belfield, Dublin, Ireland
| | - T Tharmalingam
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - P B Larsen
- Cryos International - Denmark ApSAarhus, Denmark
| | - E Fitzpatrick
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - P Lonergan
- School of Agriculture and Food ScienceUniversity College Dublin, Belfield, Dublin, Ireland
| | - A C O Evans
- School of Agriculture and Food ScienceUniversity College Dublin, Belfield, Dublin, Ireland
| | - S D Carrington
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
| | - C J Reid
- School of Veterinary MedicineVeterinary Sciences Centre, University College Dublin, Belfield, Dublin, Ireland
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37
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Deshmukh H, Way SS. Immunological Basis for Recurrent Fetal Loss and Pregnancy Complications. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2018; 14:185-210. [PMID: 30183507 DOI: 10.1146/annurev-pathmechdis-012418-012743] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Pregnancy stimulates an elaborate assortment of dynamic changes, allowing intimate approximation of genetically discordant maternal and fetal tissues. Although the cellular and molecular details about how this works remain largely undefined, important clues arise from evaluating how a prior pregnancy influences the outcome of a future pregnancy. The risk of complications is consistently increased when complications occurred in a prior pregnancy. Reciprocally, a prior successful pregnancy protects against complications in a future pregnancy. Here, we summarize immunological perturbations associated with fetal loss, with particular focus on how both harmful and protective adaptations may persist in mothers. Immunological aberrancy as a root cause of pregnancy complications is also considered, given their shared overlapping risk factors and the sustained requirement for averting maternal-fetal conflict throughout pregnancy. Understanding pregnancy-induced immunological changes may expose not only new therapeutic strategies for improving pregnancy outcomes but also new facets of how immune tolerance works that may be applicable to other physiological and pathological contexts.
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Affiliation(s)
- Hitesh Deshmukh
- Division of Pulmonary Biology, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267, USA
| | - Sing Sing Way
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267, USA.,Division of Infectious Diseases, Center for Inflammation and Tolerance, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA;
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38
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Fox M, Berzuini C, Knapp LA, Glynn LM. Women's Pregnancy Life History and Alzheimer's Risk: Can Immunoregulation Explain the Link? Am J Alzheimers Dis Other Demen 2018; 33:516-526. [PMID: 30060670 DOI: 10.1177/1533317518786447] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
BACKGROUND Pregnancy is associated with improvement in immunoregulation that persists into the geriatric phase. Impaired immunoregulation is implicated in Alzheimer's disease (AD) pathogenesis. Hence, we investigate the relationship between pregnancy and AD. METHODS Cross-sectional cohort of British women (N = 95). Cox proportional hazards modeling assessed the putative effects of cumulative months pregnant on AD risk and the mutually adjusted effects of counts of first and third trimesters on AD risk. RESULTS Cumulative number of months pregnant, was associated with lower AD risk (β = -1.90, exp(β) = 0.15, P = .02). Cumulative number of first trimesters was associated with lower AD risk after adjusting for third trimesters (β = -3.83, exp(β) = 0.02, P < .01), while the latter predictor had no significant effect after adjusting for the former. CONCLUSIONS Our observation that first trimesters (but not third trimesters) conferred protection against AD is more consistent with immunologic effects, which are driven by early gestation, than estrogenic exposures, which are greatest in late gestation. Results may justify future studies with immune biomarkers.
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Affiliation(s)
- Molly Fox
- 1 Department of Anthropology, University of California, Los Angeles, Los Angeles, CA, USA.,2 Department of Psychiatry & Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
| | - Carlo Berzuini
- 3 Centre for Biostatistics, University of Manchester, Manchester, United Kingdom
| | - Leslie A Knapp
- 4 Department of Anthropology, University of Utah, Salt Lake City, UT, USA
| | - Laura M Glynn
- 5 Department of Psychology, Chapman University, Orange, CA, USA
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39
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Hartmann C, Gerner W, Walter I, Saalmüller A, Aurich C. Influences of intrauterine semen administration on regulatory T lymphocytes in the oestrous mare (Equus caballus). Theriogenology 2018; 118:119-125. [PMID: 29890428 DOI: 10.1016/j.theriogenology.2018.05.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 05/12/2018] [Accepted: 05/25/2018] [Indexed: 01/20/2023]
Abstract
In the mare, early pregnancy loss is common, but involvement of the maternal immune system in the pathogenesis of this condition has not been investigated in detail so far. In the present study, we assessed effects of exposure of the endometrium to semen or seminal plasma in oestrous mares on the response of regulatory T lymphocytes (Tregs) in the peripheral circulation as well as in the endometrium. Raw semen, seminal plasma or PBS (control) were introduced into the uterus of oestrous mares (n = 12). Blood was collected immediately before insemination or PBS infusion (time 0), and 12, 24 and 48 h thereafter. Endometrial biopsies were collected at 24 h. In peripheral blood, Treg (CD4+Foxp3+) cells were determined by flow cytometry. In endometrial biopsies, Tregs were assessed as cells staining positive for Foxp3 by immunohistochemistry. The percentage of Tregs in blood decreased (p < 0.05) at 12 h after exposure to seminal plasma, tended to decrease in response to raw semen (p = 0.095) but not to PBS. Leukocyte and PMN counts were not affected. In the endometrium, numbers of Foxp3 positive cells at 24 h after insemination or PBS infusion were not changed by treatment. Results of the present study provide only little evidence that maternal tolerance of pregnancy in the horse is modulated already by exposure of the oestrous endometrium to seminal plasma at mating.
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Affiliation(s)
- Constanze Hartmann
- Platform Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria
| | - Wilhelm Gerner
- Institute of Immunology, Department of Pathobiology, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria
| | - Ingrid Walter
- Institute of Pathology and Forensic Medicine, Department of Pathobiology, Vetmeduni Vienna, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria
| | - Armin Saalmüller
- Institute of Immunology, Department of Pathobiology, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria
| | - Christine Aurich
- Platform Artificial Insemination and Embryo Transfer, Department for Small Animals and Horses, Vetmeduni Vienna, Veterinärplatz 1, 1210, Vienna, Austria.
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40
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Simon C, Greening DW, Bolumar D, Balaguer N, Salamonsen LA, Vilella F. Extracellular Vesicles in Human Reproduction in Health and Disease. Endocr Rev 2018; 39:292-332. [PMID: 29390102 DOI: 10.1210/er.2017-00229] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 01/25/2018] [Indexed: 02/07/2023]
Abstract
Extensive evidence suggests that the release of membrane-enclosed compartments, more commonly known as extracellular vesicles (EVs), is a potent newly identified mechanism of cell-to-cell communication both in normal physiology and in pathological conditions. This review presents evidence about the formation and release of different EVs, their definitive markers and cargo content in reproductive physiological processes, and their capacity to convey information between cells through the transfer of functional protein and genetic information to alter phenotype and function of recipient cells associated with reproductive biology. In the male reproductive tract, epididymosomes and prostasomes participate in regulating sperm motility activation, capacitation, and acrosome reaction. In the female reproductive tract, follicular fluid, oviduct/tube, and uterine cavity EVs are considered as vehicles to carry information during oocyte maturation, fertilization, and embryo-maternal crosstalk. EVs via their cargo might be also involved in the triggering, maintenance, and progression of reproductive- and obstetric-related pathologies such as endometriosis, polycystic ovarian syndrome, preeclampsia, gestational diabetes, and erectile dysfunction. In this review, we provide current knowledge on the present and future use of EVs not only as biomarkers, but also as therapeutic targeting agents, mainly as vectors for drug or compound delivery into target cells and tissues.
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Affiliation(s)
- Carlos Simon
- Igenomix Foundation, Valencia, Spain.,Instituto de Investigación Sanitaria Hospital Clínico (INCLIVA), Valencia, Spain.,Department of Pediatrics, Obstetrics and Gynecology, School of Medicine, Valencia University, Valencia, Spain.,Department of Obstetrics and Gynecology, Stanford University, Palo Alto, California
| | - David W Greening
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia
| | - David Bolumar
- Igenomix Foundation, Valencia, Spain.,Instituto de Investigación Sanitaria Hospital Clínico (INCLIVA), Valencia, Spain
| | - Nuria Balaguer
- Igenomix Foundation, Valencia, Spain.,Instituto de Investigación Sanitaria Hospital Clínico (INCLIVA), Valencia, Spain
| | - Lois A Salamonsen
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Molecular and Translational Science, Monash University, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Felipe Vilella
- Igenomix Foundation, Valencia, Spain.,Instituto de Investigación Sanitaria Hospital Clínico (INCLIVA), Valencia, Spain.,Department of Obstetrics and Gynecology, Stanford University, Palo Alto, California
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41
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Kenny LC, Kell DB. Immunological Tolerance, Pregnancy, and Preeclampsia: The Roles of Semen Microbes and the Father. Front Med (Lausanne) 2018; 4:239. [PMID: 29354635 PMCID: PMC5758600 DOI: 10.3389/fmed.2017.00239] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 12/12/2017] [Indexed: 12/18/2022] Open
Abstract
Although it is widely considered, in many cases, to involve two separable stages (poor placentation followed by oxidative stress/inflammation), the precise originating causes of preeclampsia (PE) remain elusive. We have previously brought together some of the considerable evidence that a (dormant) microbial component is commonly a significant part of its etiology. However, apart from recognizing, consistent with this view, that the many inflammatory markers of PE are also increased in infection, we had little to say about immunity, whether innate or adaptive. In addition, we focused on the gut, oral and female urinary tract microbiomes as the main sources of the infection. We here marshall further evidence for an infectious component in PE, focusing on the immunological tolerance characteristic of pregnancy, and the well-established fact that increased exposure to the father's semen assists this immunological tolerance. As well as these benefits, however, semen is not sterile, microbial tolerance mechanisms may exist, and we also review the evidence that semen may be responsible for inoculating the developing conceptus (and maybe the placenta) with microbes, not all of which are benign. It is suggested that when they are not, this may be a significant cause of PE. A variety of epidemiological and other evidence is entirely consistent with this, not least correlations between semen infection, infertility and PE. Our view also leads to a series of other, testable predictions. Overall, we argue for a significant paternal role in the development of PE through microbial infection of the mother via insemination.
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Affiliation(s)
- Louise C. Kenny
- The Irish Centre for Fetal and Neonatal Translational Research (INFANT), University College Cork, Cork, Ireland
- Department of Obstetrics and Gynecology, University College Cork, Cork, Ireland
- Faculty of Health and Life Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Douglas B. Kell
- School of Chemistry, The University of Manchester, Manchester, United Kingdom
- The Manchester Institute of Biotechnology, The University of Manchester, Manchester, United Kingdom
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42
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Abstract
It has long been established that active agents in seminal fluid are key to initiating and coordinating mating-induced immunomodulation. This is in part governed by the actions of a network of cytokine interactions which, to date, remain largely undefined, and whose interspecific evolutionary conservation is unknown. This study applied Bayesian methods to illustrate the interrelationships between seminal profiles of interleukin (IL)-1alpha, IL-1beta, IL-2, IL-4, IL-5, IL-6, IL-9, IL-10, IL-12 (p70), IL-13, IL-17, eotaxin, granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage-colony stimulating factor (GM-CSF), interferon (IFN)-gamma, keratinocyte-derived chemokine (KC), monocyte chemoattractant protein (MCP-1), macrophage inflammatory protein (MIP-1) alpha, MIP-1beta, regulated on activation normal T cell expressed and secreted (RANTES), tumour necrosis factor (TNF)-alpha, leptin, inducible protein (IP)-10 and vascular endothelial growth factor (VEGF) in a rat model. IL-2, IL-9, IL-12 (p70), IL-13, IL-18, eotaxin, IFN-gamma, IP-10, KC, leptin, MCP-1, MIP-1alpha and TNF-alpha were significantly higher in serum, whilst IL-1beta, IL-5, IL-6, IL-10, IL-17, G-CSF and GM-CSF were significantly higher in seminal fluid. When compared to mouse profiles, only G-CSF was present at significantly higher levels in the seminal fluid in both species. Bayesian modelling highlighted key shared features across mouse and rat networks, namely TNF-alpha as the terminal node in both serum and seminal plasma, and MCP-1 as a central coordinator of seminal cytokine networks through the intermediary of KC and RANTES. These findings reveal a marked interspecific conservation of seminal cytokine networks.
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43
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Nongbua T, Guo Y, Edman A, Humblot P, Morrell JM. Effect of bovine seminal plasma on bovine endometrial epithelial cells in culture. Reprod Domest Anim 2017; 53:85-92. [DOI: 10.1111/rda.13069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 07/21/2017] [Indexed: 12/16/2022]
Affiliation(s)
- T Nongbua
- Division of Reproduction; Department of Clinical Sciences; Swedish University of Agricultural Sciences (SLU); Uppsala Sweden
- Faculty of Veterinary Sciences; Mahasarakham University; Maha Sarakham Thailand
| | - Y Guo
- Division of Reproduction; Department of Clinical Sciences; Swedish University of Agricultural Sciences (SLU); Uppsala Sweden
| | - A Edman
- VikingGenetics; Skara Sweden
| | - P Humblot
- Division of Reproduction; Department of Clinical Sciences; Swedish University of Agricultural Sciences (SLU); Uppsala Sweden
| | - JM Morrell
- Division of Reproduction; Department of Clinical Sciences; Swedish University of Agricultural Sciences (SLU); Uppsala Sweden
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44
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Nederlof I, Meuleman T, van der Hoorn M, Claas F, Eikmans M. The seed to success: The role of seminal plasma in pregnancy. J Reprod Immunol 2017; 123:24-28. [DOI: 10.1016/j.jri.2017.08.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/30/2017] [Accepted: 08/18/2017] [Indexed: 01/04/2023]
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45
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Hyde KJ, Schust DJ. Immunologic challenges of human reproduction: an evolving story. Fertil Steril 2016; 106:499-510. [PMID: 27477190 DOI: 10.1016/j.fertnstert.2016.07.1073] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 07/13/2016] [Accepted: 07/13/2016] [Indexed: 12/11/2022]
Abstract
Characterization of the implanting human fetus as an allograft prompted a field of research in reproductive immunology that continues to fascinate and perplex scientists. Paternal- or partner-derived alloantigens are present in the maternal host at multiple times during the reproductive process. They begin with exposure to semen, continue through implantation and placentation, and may persist for decades in the form of fetal microchimerism. Changes in maternal immune responses that allow allogenic fertilization and survival of semiallogenic concepti to delivery must be balanced with a continued need to respond appropriately to pathogenic invaders, commensals, cell or tissue damage, and any tendency toward malignant transformation. This complex and sophisticated balancing act is essential for survival of mother, fetus, and the species itself. We will discuss concepts of alloimmune recognition, tolerance, and ignorance as they pertain to mammalian reproduction with a focus on human reproduction, maternal immune modulation, and the very earliest events in the reproductive process, fertilization and implantation.
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Affiliation(s)
- Kassie J Hyde
- University of Missouri School of Medicine, Columbia, Missouri
| | - Danny J Schust
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri School of Medicine, Columbia, Missouri.
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46
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Sharkey DJ, Schjenken JE, Mottershead DG, Robertson SA. Seminal fluid factors regulate activin A and follistatin synthesis in female cervical epithelial cells. Mol Cell Endocrinol 2015; 417:178-90. [PMID: 26415587 DOI: 10.1016/j.mce.2015.09.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 08/28/2015] [Accepted: 09/22/2015] [Indexed: 12/16/2022]
Abstract
Seminal fluid induces pro-inflammatory cytokines and elicits an inflammation-like response in the cervix. Here, Affymetrix microarray and qPCR was utilised to identify activin A (INHBA) and its inhibitor follistatin (FST) amongst the cytokines induced by seminal plasma in Ect1 ectocervical epithelial cells, and a similar response was confirmed in primary ectocervical epithelial cells. TGFB is abundant in seminal plasma and all three TGFB isoforms induced INHBA in Ect1 and primary cells, and neutralisation of TGFB in seminal plasma suppressed the INHBA response. Bacterial lipopolysaccharide in seminal plasma also elicited INHBA, but potently suppressed FST production. There was moderate reciprocal inhibition between FST and INHBA, and cross-attenuating effects were seen. These data identify TGFB and potentially LPS as factors mediating seminal plasma-induced INHBA synthesis in cervical cells. INHBA and FST induced by seminal fluid in cervical tissues may thus contribute to regulation of the post-coital response in women.
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Affiliation(s)
- David J Sharkey
- Robinson Research Institute and School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, South Australia, Australia
| | - John E Schjenken
- Robinson Research Institute and School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, South Australia, Australia
| | - David G Mottershead
- Robinson Research Institute and School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, South Australia, Australia
| | - Sarah A Robertson
- Robinson Research Institute and School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, South Australia, Australia.
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47
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Critical Review: Immunomodulation by Seminal Factors and Implications for Male-to-Female HIV-1 Transmission. J Acquir Immune Defic Syndr 2015; 69:131-7. [PMID: 25642971 DOI: 10.1097/qai.0000000000000561] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The role of semen in heterosexual transmission of the HIV-1 has been marginally viewed as an inert vehicle for the delivery of virus. However, studies from the field of reproductive biology have made it clear that seminal fluid is a complex and dynamic medium containing high concentrations of factors that play key roles in modulating the local immune response in the female reproductive tract during fertilization and embryogenesis. It is therefore strongly implied that the same seminal factors responsible for guiding the immune response in reproduction also play a role in male-to-female transmission of HIV-1. To begin to understand how these factors affect male-to-female HIV-1 transmission, multiple studies have comparatively profiled the contents of seminal fluid collected from uninfected and HIV-1-infected men. This review provides an overview of these studies, as well as a discussion of the potential impact of semen on HIV-1 transmission.
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48
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Merlotti A, Dantas E, Remes Lenicov F, Ceballos A, Jancic C, Varese A, Rubione J, Stover S, Geffner J, Sabatté J. Fucosylated clusterin in semen promotes the uptake of stress-damaged proteins by dendritic cells via DC-SIGN. Hum Reprod 2015; 30:1545-56. [PMID: 26003430 DOI: 10.1093/humrep/dev113] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 04/27/2015] [Indexed: 01/09/2023] Open
Abstract
STUDY QUESTION Could seminal plasma clusterin play a role in the uptake of stress-damaged proteins by dendritic cells? SUMMARY ANSWER Seminal plasma clusterin, but not serum clusterin, promotes the uptake of stress-damaged proteins by dendritic cells via DC-SIGN. WHAT IS KNOWN ALREADY Clusterin is one of the major extracellular chaperones. It interacts with a variety of stressed proteins to prevent their aggregation, guiding them for receptor-mediated endocytosis and intracellular degradation. The concentration of clusterin in semen is almost 20-fold higher than that found in serum, raising the question about the role of seminal plasma clusterin in reproduction. No previous studies have analyzed whether seminal plasma clusterin has chaperone activity. We have previously shown that seminal plasma clusterin, but not serum clusterin, expresses an extreme abundance of fucosylated glycans. These motifs enable seminal plasma clusterin to bind DC-SIGN with very high affinity. STUDY DESIGN, SIZE, DURATION In vitro experiments were performed to evaluate the ability of seminal plasma clusterin to inhibit the precipitation of stressed proteins, promoting their uptake by dendritic cells via DC-SIGN (a C-type lectin receptor selectively expressed on dendritic cells (DC)). Moreover, the ability of seminal plasma clusterin to modulate the phenotype and function of DCs was also assessed. PARTICIPANTS/MATERIALS, SETTING, METHODS Clusterin was purified from human semen and human serum. Catalase, bovine serum albumin, glutathione S-transferase, and normal human serum were stressed and the ability of seminal plasma clusterin to prevent the precipitation of these proteins, guiding them to DC-SIGN expressed by DCs, was evaluated using a fluorescence-activated cell sorter (FACS). Endocytosis of stressed proteins was analyzed by confocal microscopy and the ability of seminal plasma clusterin-treated DCs to stimulate the proliferation of CD25+FOXP3+CD4+ T cells was also evaluated by FACS. MAIN RESULTS AND THE ROLE OF CHANCE Seminal plasma clusterin interacts with stressed proteins, inhibits their aggregation (P < 0.01) and efficiently targets them to dendritic cells via DC-SIGN (P < 0.01). DCs efficiently endocytosed clusterin-client complexes and sorted them to degradative compartments involved in antigen processing and presentation. Moreover, we also found that the interaction of seminal plasma clusterin with DC-SIGN did not change the phenotype of DCs, but stimulates their ability to induce the expansion of CD25+FOXP3+CD4+ T lymphocytes (P < 0.05 versus control). LIMITATIONS, REASONS FOR CAUTION All the experiments were performed in vitro; hence the relevance of our observations should be validated in vivo. WIDER IMPLICATIONS OF THE FINDINGS Our results suggest that by inducing the endocytosis of stress-damaged proteins by DCs via DC-SIGN, seminal plasma clusterin might promote a tolerogenic response to male antigens, thereby contributing to female tolerance to seminal antigens. STUDY FUNDING/COMPETING INTERESTS The present research was supported by the Consejo Nacional de Investigaciones Científicas y Técnicas, the Buenos Aires University School of Medicine, and the Agencia Nacional de Promoción Científica y Tecnológica (Argentina). The authors have no conflicts of interest to declare.
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Affiliation(s)
- A Merlotti
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - E Dantas
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - F Remes Lenicov
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - A Ceballos
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - C Jancic
- Laboratorio de Inmunología Oncológica, Instituto de Medicina Experimental (IMEX), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)-Academia Nacional de Medicina, Ciudad Autónoma de Buenos Aires 1425, Argentina
| | - A Varese
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - J Rubione
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - S Stover
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - J Geffner
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
| | - J Sabatté
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires 1121, Argentina
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Seminal Fluid Signalling in the Female Reproductive Tract: Implications for Reproductive Success and Offspring Health. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 868:127-58. [PMID: 26178848 DOI: 10.1007/978-3-319-18881-2_6] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Carriage of sperm is not the only function of seminal fluid in mammals. Studies in mice show that at conception, seminal fluid interacts with the female reproductive tract to induce responses which influence whether or not pregnancy will occur, and to set in train effects that help shape subsequent fetal development. In particular, seminal fluid initiates female immune adaptation processes required to tolerate male transplantation antigens present in seminal fluid and inherited by the conceptus. A tolerogenic immune environment to facilitate pregnancy depends on regulatory T cells (Treg cells), which recognise male antigens and function to suppress inflammation and immune rejection responses. The female response to seminal fluid stimulates the generation of Treg cells that protect the conceptus from inflammatory damage, to support implantation and placental development. Seminal fluid also elicits molecular and cellular changes in the oviduct and endometrium that directly promote embryo development and implantation competence. The plasma fraction of seminal fluid plays a key role in this process with soluble factors, including TGFB, prostaglandin-E, and TLR4 ligands, demonstrated to contribute to the peri-conception immune environment. Recent studies show that conception in the absence of seminal plasma in mice impairs embryo development and alters fetal development to impact the phenotype of offspring, with adverse effects on adult metabolic function particularly in males. This review summarises our current understanding of the molecular responses to seminal fluid and how this contributes to the establishment of pregnancy, generation of an immune-regulatory environment and programming long-term offspring health.
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Tatari-Calderone Z, Luban NLC, Vukmanovic S. Genetics of transfusion recipient alloimmunization: can clues from susceptibility to autoimmunity pave the way? ACTA ACUST UNITED AC 2014; 41:436-45. [PMID: 25670931 DOI: 10.1159/000369145] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 10/01/2014] [Indexed: 01/08/2023]
Abstract
The search for genetic determinants of alloimmunization in sickle cell disease transfusion recipients was based on two premises: i) that polymorphisms responsible for stronger immune and/or inflammatory responses and hemoglobin β(S) mutation were co-selected by malaria; and ii) that stronger responder status contributes to development of lupus. We found a marker of alloimmunization in the gene encoding for Ro52 protein, also known as Sjögren syndrome antigen 1 (SSA1) and TRIM21. Surprisingly, the nature of the association was opposite of that with lupus; the same variant of a polymorphism (rs660) that was associated with lupus incidence was also associated with induction of tolerance to red blood cell antigens during early childhood. The dual function of Ro52 can explain this apparent contradiction. We propose that other lupus/autoimmunity susceptibility loci may reveal roles of additional molecules in various aspects of alloimmunization induced by transfusion as well as during pregnancy.
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Affiliation(s)
- Zohreh Tatari-Calderone
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Medical Center, Washington, DC, USA ; Department of Pediatrics, George Washington University School of Medicine, Washington, DC, USA
| | - Naomi L C Luban
- Department of Pediatrics, George Washington University School of Medicine, Washington, DC, USA ; Division of Laboratory Medicine, Children's National Medical Center, Washington, DC, USA
| | - Stanislav Vukmanovic
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Medical Center, Washington, DC, USA ; Department of Pediatrics, George Washington University School of Medicine, Washington, DC, USA
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