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Yang T, Liu Y, Lin Z, Chen F, Zhu L, Zhang L, Zhou B, Li F, Sun H. Altered N6-methyladenosine methylation level in spermatozoa messenger RNA of the male partners is related to unexplained recurrent pregnancy loss. Andrology 2024. [PMID: 38979761 DOI: 10.1111/andr.13678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 05/17/2024] [Accepted: 05/30/2024] [Indexed: 07/10/2024]
Abstract
BACKGROUND Understanding the pathogenesis of unexplained recurrent pregnancy loss is paramount for advancing effective treatments. Various biological processes, including spermatogenesis and embryo development, are tightly regulated by N6-methyladenosine modifications. However, few studies have focused on the impact of sperm N6-methyladenosine modifications on embryonic development. Therefore, we aimed to study altered N6-methyladenosine-mediated messenger RNA methylation modifications in the spermatozoa of male partners from couples experiencing unexplained recurrent pregnancy loss, to identify potential diagnostic markers and explore their potential molecular mechanisms in pregnancy loss and embryogenesis. METHODS Methylated RNA immunoprecipitation (MeRIP) sequencing and RNA sequencing were conducted on the spermatozoa of men from couples in the 'unexplained recurrent pregnancy loss' group (n = 6), and the fertility control group (n = 6). To identify the role of the detected key genes, zebrafish model embryos were studied, and multi-omics (transcriptomics, proteomics, and metabolomics) analyses helped to explore the molecular mechanism of abnormal embryogenesis. FINDINGS Comparing unexplained recurrent pregnancy loss with the fertility control group, 217 N6-methyladenosine peaks were significantly upregulated, and 40 were downregulated in the spermatozoa. The combined analyses of spermatozoa-methylated RNA immunoprecipitation sequencing and RNA sequencing indicated that N6-methyladenosine methylation and the expression of SEMA5A, MT-ATP6, ZNF662, and KDM4C were significantly different. In zebrafish embryos, the altered expression of the four genes increased embryonic mortality and malformations by disturbing several key signaling pathways and zygotic genome activation. INTERPRETATION This study highlights the paternal epigenome, which could be one of the reasons for faulty embryogenesis leading to pregnancy loss. The N6-methyladenosine modification, the most prevalent RNA modification, contributes to the exploration and understanding of the paternal epigenome in the maintenance of pregnancy and fetal growth and development. The four genes identified in this study may serve as potential diagnostic markers and elucidate novel molecular mechanisms of embryogenesis.
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Affiliation(s)
- Tingting Yang
- Department of Andrology/Human Sperm Bank of Sichuan Province, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Yanyan Liu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- Department of Medical Genetics, Prenatal Diagnosis Center, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Ziyuan Lin
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- SCU-CUHK Joint Laboratory for Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Feng Chen
- Department of Andrology/Human Sperm Bank of Sichuan Province, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- SCU-CUHK Joint Laboratory for Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Lin Zhu
- Department of Nephrology/Hemodialysis Center, West China Hospital, Sichuan University and West China School of Nursing, Sichuan University, Chengdu, China
| | - Lin Zhang
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Bin Zhou
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Fuping Li
- Department of Andrology/Human Sperm Bank of Sichuan Province, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Huaqin Sun
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- SCU-CUHK Joint Laboratory for Reproductive Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
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Shen A, Feng X, Wang D, Liu Y, Zhang K, Wang J, Li Y, Ali MM, Hu L. High-throughput proteomic analysis of extracellular vesicles from saliva by chemical probe-based array. Anal Chim Acta 2024; 1309:342699. [PMID: 38772652 DOI: 10.1016/j.aca.2024.342699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 05/06/2024] [Indexed: 05/23/2024]
Abstract
Extracellular vesicles (EVs) are cell-released, nucleus-free particles with a double-membrane structure that effectively prevents degradation of internal components by a variety of salivary enzymes. Saliva is an easily accessible biofluid that contains a wealth of valuable information for disease diagnosis and monitoring and especially reflect respiratory and digestive tract diseases. However, the lack of efficient and high-throughput methods for proteomic analysis of salivary biomarkers poses a significant challenge. Herein, we designed a salivary EV amphiphile-dendrimer supramolecular probe (SEASP) array which enables efficient enrichment and in situ detection of EVs protein biomarkers. Detergent Tween-20 washing of SEASP arrays removes high abundance of heteroproteins from saliva well. This array shows good analytical performance in the linear range of 10 μL-150 μL (LOD = 0.4 μg protein, or 10 μL saliva), exhibiting a good recovery (80.0 %). Compared to ultracentrifugation (UC), this procedure provides simple and convenient access to high-purity EVs (1.3 × 109 particles per mg protein) with good physiological status and structure. Coupling with mass spectrometry based proteomic analysis, differentially expressed proteins as selected asthma biomarkers have been screened. Then, we validated the proteomics primary screening results through clinical samples (100 μL each) using the SEASP array. Utilizing the dual antibody fluorescence technology, SEASP enables the simultaneous high-throughput detection of two proteins. Therefore, the EVs marker protein CD81 could be used as an internal standard to normalize the number of EVs, which was stably expressed in EVs. Proteomics and array results suggested that HNRNPU (P = 4.9 * 10-6) and MUC5B (P = 4.7 * 10-11) are promising protein biomarkers for infantile asthma. HNRNPU and MUC5B may be associated with disease onset and subtypes. The SEASP arrays provide a significant advancement in the field of salivary biomarker. The array enables high-throughput in situ protein detection for highly viscous and complex biological samples. It provides a rapid, low-cost, highly specific screening procedure and experimental basis for early disease screening and diagnosis in the field of liquid biopsy.
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Affiliation(s)
- Ao Shen
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Xin Feng
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Dongxue Wang
- Beijing Proteome Research Center, National Center for Protein Sciences, Beijing, China; The π-HuB Project Infrastructure, International Academy of Phronesis Medicine, Guangzhou, China
| | - Yuanyuan Liu
- Beijing Proteome Research Center, National Center for Protein Sciences, Beijing, China; The π-HuB Project Infrastructure, International Academy of Phronesis Medicine, Guangzhou, China
| | - Kaifu Zhang
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Jiliang Wang
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Yanan Li
- Department of Pediatrics Children's Medical Center, The First Hospital of Jilin University, Changchun, 130021, China.
| | - Muhammad Mujahid Ali
- State Key Laboratory of Bioelectronics, National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China.
| | - Lianghai Hu
- Center for Supramolecular Chemical Biology, State Key Laboratory of Supramolecular Structure and Materials, School of Life Sciences, Jilin University, Changchun, 130012, China.
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Peña FJ, Martín-Cano FE, Becerro-Rey L, Ortega-Ferrusola C, Gaitskell-Phillips G, da Silva-Álvarez E, Gil MC. The future of equine semen analysis. Reprod Fertil Dev 2024; 36:RD23212. [PMID: 38467450 DOI: 10.1071/rd23212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/15/2024] [Indexed: 03/13/2024] Open
Abstract
We are currently experiencing a period of rapid advancement in various areas of science and technology. The integration of high throughput 'omics' techniques with advanced biostatistics, and the help of artificial intelligence, is significantly impacting our understanding of sperm biology. These advances will have an appreciable impact on the practice of reproductive medicine in horses. This article provides a brief overview of recent advances in the field of spermatology and how they are changing assessment of sperm quality. This article is written from the authors' perspective, using the stallion as a model. We aim to portray a brief overview of the changes occurring in the assessment of sperm motility and kinematics, advances in flow cytometry, implementation of 'omics' technologies, and the use of artificial intelligence/self-learning in data analysis. We also briefly discuss how some of the advances can be readily available to the practitioner, through the implementation of 'on-farm' devices and telemedicine.
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Affiliation(s)
- Fernando J Peña
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
| | - Francisco Eduardo Martín-Cano
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
| | - Laura Becerro-Rey
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
| | - Cristina Ortega-Ferrusola
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
| | - Gemma Gaitskell-Phillips
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
| | - Eva da Silva-Álvarez
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
| | - María Cruz Gil
- Laboratory of Equine Reproduction and Equine Spermatology, Veterinary Teaching Hospital, University of Extremadura, Cáceres, Spain
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Muncey W, Scott M, Lathi RB, Eisenberg ML. The paternal role in pregnancy loss. Andrology 2024. [PMID: 38334037 DOI: 10.1111/andr.13603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/05/2024] [Accepted: 01/10/2024] [Indexed: 02/10/2024]
Abstract
In this comprehensive review, the intricate relationship between paternal factors and pregnancy loss is examined. While pregnancy loss has historically been predominantly attributed to maternal factors, recent research underscores the significant contribution of the male partner. The review delves into various aspects of paternal influence, including paternal age, health, chromosome abnormalities, Y chromosome deletions, and sperm DNA fragmentation. Notably, advanced paternal age is found to be associated with an increased risk of recurrent pregnancy loss, shedding light on the importance of understanding the impact of aging on male fertility. Additionally, paternal health, particularly metabolic syndrome, emerges as a noteworthy factor contributing to pregnancy loss. Chromosome abnormalities in male partners, such as balanced translocations, and Y chromosome microdeletions are explored in the context of pregnancy loss risk. Moreover, the review highlights the growing body of evidence linking sperm DNA fragmentation and sperm protein abnormalities to spontaneous pregnancy loss, emphasizing the significance of sperm health in reproductive outcomes. Overall, this review provides a comprehensive overview of the multifaceted role of the male partner in pregnancy loss, calling for a more inclusive approach to pregnancy loss investigations that encompasses both maternal and paternal factors.
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Affiliation(s)
- Wade Muncey
- Idaho Urologic Institute, Meridian, Idaho, USA
| | - Michael Scott
- School of Medicine, Stanford University, Stanford, California, USA
| | - Ruth B Lathi
- School of Medicine, Stanford University, Stanford, California, USA
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5
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Davies R, Minhas S, Jayasena CN. Next-Generation Sequencing to Elucidate the Semen Microbiome in Male Reproductive Disorders. MEDICINA (KAUNAS, LITHUANIA) 2023; 60:25. [PMID: 38256286 PMCID: PMC10819355 DOI: 10.3390/medicina60010025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024]
Abstract
Mean sperm counts are declining at an accelerated rate and infertility is increasingly becoming a public health concern. It is now understood that human semen, previously considered to be sterile, harbours its own specific microbiome. Via activated leucocytes and the generation of reactive oxygen species, bacteria have the capability of evoking an immune response which may lead to sperm damage. Men with infertility have higher rates of both reactive oxygen species and sperm DNA damage. Due to the lack of sensitivity of routine culture and PCR-based methods, next-generation sequencing technology is being employed to characterise the seminal microbiome. There is a mounting body of studies that share a number of similarities but also a great range of conflicting findings. A lack of stringent decontamination procedures, small sample sizes and heterogeneity in other aspects of methodology makes it difficult to draw firm conclusions from these studies. However, various themes have emerged and evidence of highly conserved clusters of common bacteria can be seen. Depletion or over-representation of specific bacteria may be associated with aberrations in traditional and functional seminal parameters. Currently, the evidence is too limited to inform clinical practice and larger studies are needed.
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Affiliation(s)
- Rhianna Davies
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London W12 0HS, UK;
| | - Suks Minhas
- Department of Urology, Charing Cross Hospital, Imperial College NHS Trust, London W6 8RF, UK;
| | - Channa N. Jayasena
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London W12 0HS, UK;
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Jena SR, Mohanty G, Kesari KK, Durairajanayagam D, Samanta L. Editorial: Omics for infertility and contraception: two sides of same coin. Front Cell Dev Biol 2023; 11:1293677. [PMID: 37822867 PMCID: PMC10562682 DOI: 10.3389/fcell.2023.1293677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 09/18/2023] [Indexed: 10/13/2023] Open
Affiliation(s)
- Soumya Ranjan Jena
- Redox Biology and Proteomics Laboratory, Department of Zoology, Ravenshaw University, Cuttack, India
| | - Gayatri Mohanty
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, United States
| | - Kavindra Kumar Kesari
- Department of Applied Physics, School of Science, Aalto University, Espoo, Finland
- Research and Development Cell, Lovely Professional University, Phagwara, Punjab, India
| | | | - Luna Samanta
- Redox Biology and Proteomics Laboratory, Department of Zoology, Ravenshaw University, Cuttack, India
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Nayak J, Jena SR, Kumar S, Kar S, Dixit A, Samanta L. Human sperm proteome reveals the effect of environmental borne seminal polyaromatic hydrocarbons exposome in etiology of idiopathic male factor infertility. Front Cell Dev Biol 2023; 11:1117155. [PMID: 37261076 PMCID: PMC10228828 DOI: 10.3389/fcell.2023.1117155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 04/24/2023] [Indexed: 06/02/2023] Open
Abstract
Introduction: Polyaromatic hydrocarbons (PAHs) are considered as redox active environmental toxicants inducing oxidative stress (OS) mediated injury to cells. Oxidative predominance is reported in 30%-80% of idiopathic male infertility (IMI) patients. Hence, this work aims to unravel correlation, if any, between seminal PAH exposome and sperm function in IMI patients through a proteomic approach. Methods: Seminal PAH exposome was analyzed in 43 fertile donors and 60 IMI patients by HPLC and receiver operating characteristic (ROC) curve was applied to find out the cut-off limits. Spermatozoa proteome was analyzed by label free liquid chromatography mass spectroscopy (LC-MS/MS) followed by molecular pathway analysis using bioinformatic tools. Validation of key proteins' expression and protein oxidative modifications were analyzed by western blot. Results and discussion: Of the 16 standards toxic PAH, 13 were detected in semen. Impact of the different PAHs on fertility are Anthracene < benzo (a) pyrene < benzo [b] fluoranthene < Fluoranthene < benzo (a) anthracene <indol (123CD) pyrene < pyrene < naphthalene < dibenzo (AH) anthracene < fluorene < 2bromonaphthalene < chrysene < benzo (GH1) perylene as revealed by ROC Curve analysis (AUCROC). Benzo [a] pyrene is invariably present in all infertile patients while naphthalene is present in both groups. Of the total 773 detected proteins (Control: 631 and PAH: 717); 71 were differentially expressed (13 underexpressed, 58 overexpressed) in IMI patients. Enrichment analysis revealed them to be involved in mitochondrial dysfunction and oxidative phosphorylation, DNA damage, Aryl hydrocarbon receptor (AHR) signaling, xenobiotic metabolism and induction of NRF-2 mediated OS response. Increased 4-hydroxynonenal and nitrosylated protein adduct formation, and declined antioxidant defense validates induction of OS. Increased GSH/GSSG ratio in patients may be an adaptive response for PAH metabolism via conjugation as evidenced by over-expression of AHR and Heat shock protein 90 beta (HSP90β) in patients. Seminal PAH concentrations, particularly benzo (a) pyrene can be used as a marker to distinguish IMI from fertile ones with 66.67% sensitivity and 100% specificity (95% confidence interval) along with oxidative protein modification and expression of AHR and HSP90β.
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Affiliation(s)
- Jasmine Nayak
- Redox Biology & Proteomics Laboratory, Department of Zoology, Ravenshaw University, Cuttack, India
- Center of Excellence in Environment & Public Health, Ravenshaw University, Cuttack, India
| | - Soumya Ranjan Jena
- Redox Biology & Proteomics Laboratory, Department of Zoology, Ravenshaw University, Cuttack, India
- Center of Excellence in Environment & Public Health, Ravenshaw University, Cuttack, India
| | - Sugandh Kumar
- Institute of Life Sciences, NALCO Square, Bhubaneswar, India
| | - Sujata Kar
- Kar Clinic and Hospital Pvt., Ltd., Unit-IV, Bhubaneswar, India
| | - Anshuman Dixit
- Institute of Life Sciences, NALCO Square, Bhubaneswar, India
| | - Luna Samanta
- Redox Biology & Proteomics Laboratory, Department of Zoology, Ravenshaw University, Cuttack, India
- Center of Excellence in Environment & Public Health, Ravenshaw University, Cuttack, India
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Davies R, Jayasena CN, Rai R, Minhas S. The Role of Seminal Oxidative Stress in Recurrent Pregnancy Loss. Antioxidants (Basel) 2023; 12:antiox12030723. [PMID: 36978971 PMCID: PMC10045000 DOI: 10.3390/antiox12030723] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023] Open
Abstract
Recurrent pregnancy loss is a distressing condition affecting 1–2% of couples. Traditionally investigations have focused on the female, however more recently researchers have started to explore the potential contribution of the male partner. Seminal reactive oxygen species have a physiological function in male reproduction but in excess are suspected to generate structural and functional damage to the sperm. Evidence is mounting to support an association between elevated seminal reaction oxygen species and recurrent pregnancy loss. Studies suggest that the rates of sperm DNA damage are higher in the male partners of women affected by recurrent pregnancy loss compared with unaffected men. However, the available pool of data is conflicting, and interpretation is limited by the recent change in nomenclature and the heterogeneity of study methodologies. Furthermore, investigation into the effects of oxidative stress on the epigenome show promise. The value of antioxidant therapy in the management of recurrent pregnancy loss currently remains unclear.
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Affiliation(s)
- Rhianna Davies
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London W12 0NN, UK
| | - Channa N. Jayasena
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London W12 0NN, UK
| | - Raj Rai
- Department of Obstetrics and Gynaecology, St Mary’s Hospital, Imperial College NHS Trust, London W2 1NY, UK
| | - Suks Minhas
- Department of Urology, Charing Cross Hospital, Imperial College NHS Trust, London W6 8RF, UK
- Correspondence:
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Seminal Extracellular Vesicles and Their Involvement in Male (In)Fertility: A Systematic Review. Int J Mol Sci 2023; 24:ijms24054818. [PMID: 36902244 PMCID: PMC10002921 DOI: 10.3390/ijms24054818] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/24/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
Seminal plasma contains numerous extracellular vesicles (sEVs). Since sEVs are apparently involved in male (in)fertility, this systematic review focused on studies specifically investigating such relationship. Embase, PubMed, and Scopus databases were searched up to 31 December 2022, primarily identifying a total of 1440 articles. After processing for screening and eligibility, 305 studies were selected as they focused on sEVs, and 42 of them were considered eligible because they included the word fertility or a related word such as infertility, subfertility, fertilization, and recurrent pregnancy loss in the title, objective(s), and/or keywords. Only nine of them met the inclusion criteria, namely (a) conducting experiments aimed at associating sEVs with fertility concerns and (b) isolating and adequately characterizing sEVs. Six studies were conducted on humans, two on laboratory animals, and one on livestock. The studies highlighted some sEV molecules, specifically proteins and small non-coding RNAs, that showed differences between fertile and subfertile or infertile males. The content of sEVs was also related to sperm fertilizing capacity, embryo development, and implantation. Bioinformatic analysis revealed that several of the highlighted sEV fertility-related proteins would be cross-linked to each other and involved in biological pathways related to (i) EV release and loading and (ii) plasma membrane organization.
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Ma Y, Ma QW, Sun Y, Chen XF. The emerging role of extracellular vesicles in the testis. Hum Reprod 2023; 38:334-351. [PMID: 36728671 DOI: 10.1093/humrep/dead015] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/07/2022] [Indexed: 02/03/2023] Open
Abstract
Extracellular vesicles (EVs) are nano-sized membrane-bounded particles, released by all cells and capable of transporting bioactive cargoes, proteins, lipids, and nucleic acids, to regulate a variety of biological functions. Seminal plasma is enriched in EVs, and extensive evidence has revealed the role of EVs (e.g. prostasomes and epididymosomes) in the male genital tract. Recently, EVs released from testicular cells have been isolated and identified, and some new insights have been generated on their role in maintaining normal spermatogenesis and steroidogenesis in the testis. In the seminiferous tubules, Sertoli cell-derived EVs can promote the differentiation of spermatogonial stem cells (SSCs), and EVs secreted from undifferentiated A spermatogonia can inhibit the proliferation of SSCs. In the testicular interstitium, EVs have been identified in endothelial cells, macrophages, telocytes, and Leydig cells, although their roles are still elusive. Testicular EVs can also pass through the blood-testis barrier and mediate inter-compartment communication between the seminiferous tubules and the interstitium. Immature Sertoli cell-derived EVs can promote survival and suppress the steroidogenesis of Leydig cells. Exosomes isolated from macrophages can protect spermatogonia from radiation-induced injury. In addition to their role in intercellular communication, testicular EVs may also participate in the removal of aberrant proteins and the delivery of antigens for immune tolerance. EVs released from testicular cells can be detected in seminal plasma, which makes them potential biomarkers reflecting testicular function and disease status. The testicular EVs in seminal plasma may also affect the female reproductive tract to facilitate conception and may even affect early embryogenesis through modulating sperm RNA. EVs represent a new type of intercellular messenger in the testis. A detailed understanding of the role of testicular EV may contribute to the discovery of new mechanisms causing male infertility and enable the development of new diagnostic and therapeutic strategies for the treatment of infertile men.
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Affiliation(s)
- Yi Ma
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
| | - Qin-Wen Ma
- Shanghai Xinzhu Middle School, Shanghai, China
| | - Yun Sun
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
| | - Xiang-Feng Chen
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China.,Shanghai Human Sperm Bank, Shanghai, China
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11
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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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Shen Y, You Y, Zhu K, Fang C, Chang D, Yu X. Exosomes in the f ield of reproduction: A scientometric study and visualization analysis. Front Pharmacol 2022; 13:1001652. [PMID: 36210808 PMCID: PMC9537691 DOI: 10.3389/fphar.2022.1001652] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Background: The diagnostic capabilities of exosomes in the field of reproductive biomedicine have attracted much attention. The aim of this scientometric study was to statistically and qualitatively assess the knowledge structure, hot issues, and research trends of papers about exosomes in the field of reproduction using visualization methods.Methods: The Web of Science Core Collection was searched for studies on exosomes in the field of reproduction. We performed bibliometric and visual analyses using VOSviewer, CiteSpace, and Microsoft Excel.Results: After database search, 1,011 articles were included, with number of studies being published every year continually increasing. These publications came from 61 nations or regions, with the US having the highest number. The University of Queensland was the main institution in which the research was conducted. The journal Placenta contained the highest number studies. There were 5,247 authors in total. Carlos Salomon had the highest number of papers with co-citations. Exosomes, extracellular vesicles, pregnancy, microRNAs, preeclampsia, placenta, microvesicles, gene expression, biomarkers, and first trimester were the most frequently used terms.Conclusion: Exosome research is booming in reproductive biomedicine. Future studies will likely focus on exosomes as biomarkers in gamete formation and fertilization, pregnancy, and cancers associated with reproduction. In addition to focusing on fundamental research, we should concentrate on the application of the results and the investigation of exosomes in infertile patients.
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Affiliation(s)
- Yifeng Shen
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yaodong You
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kun Zhu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chunyan Fang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Degui Chang
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xujun Yu
- School of Medicine and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Xujun Yu,
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Huo J, Chen Q, Zhang Y, Li N, Fu Z, Ma N, Zheng N, Cui N, Li L. Molecular subtype identification and predictive power of N6-methyladenosine regulator in unexplained recurrent pregnancy loss. Front Genet 2022; 13:925652. [PMID: 36118846 PMCID: PMC9478558 DOI: 10.3389/fgene.2022.925652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 08/11/2022] [Indexed: 11/13/2022] Open
Abstract
The etiology of recurrent pregnancy loss (RPL) is complicated and effective clinical preventive measures are lacking. Identifying biomarkers for RPL has been challenging, and to date, little is known about the role of N6-methyladenosine (m6A) regulators in RPL. Expression data for m6A regulators in 29 patients with RPL and 29 healthy controls were downloaded from the Gene Expression Omnibus (GEO) database. To establish a diagnostic model for unexplained RPL, differential gene expression analysis was conducting for 36 m6A regulators using least absolute shrinkage and selection operator (LASSO) regression. Unsupervised cluster analysis was conducted on hub genes, and probable mechanisms were explored using gene set enrichment analysis (GSEA) and gene ontology (GO) analysis. Correlations between m6A-related differentially expressed genes and immune infiltration were analyzed using single-sample GSEA. A total of 18 m6A regulators showed significant differences in expression in RPL: 10 were upregulated and eight were downregulated. Fifteen m6A regulators were integrated and used to construct a diagnostic model for RPL that had good predictive efficiency and robustness in differentiating RPL from control samples, with an overall area under the curve (AUC) value of 0.994. Crosstalk was identified between 10 hub genes, miRNAs, and transcription factors (TFs). For example, YTHDF2 was targeted by mir-1-3p and interacted with embryonic development-related TFs such as FOXA1 and GATA2. YTHDF2 was also positively correlated with METTL14 (r = 0.5983, p < 0.001). Two RPL subtypes (Cluster-1 and Cluster-2) with distinct hub gene signatures were identified. GSEA and GO analysis revealed that the differentially expressed genes were mainly associated with immune processes and cell cycle signaling pathway (normalized enrichment score, NES = -1.626, p < 0.001). Immune infiltration was significantly higher in Cluster-1 than in Cluster-2 (p < 0.01). In conclusion, we demonstrated that m6A modification plays a critical role in RPL. We also developed and validated a diagnostic model for RPL prediction based on m6A regulators. Finally, we identified two distinct RPL subtypes with different biological processes and immune statuses.
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Affiliation(s)
- Jiahui Huo
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Environment and Population Health, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Qian Chen
- Department of Reproductive Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yutong Zhang
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Nuo Li
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Zhiyu Fu
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Ning Ma
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Environment and Population Health, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Nan Zheng
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Nan Cui
- Department of Reproductive Medicine, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Nan Cui, ; Lu Li,
| | - Lu Li
- Department of Social Medicine and Health Care Management, School of Public Health, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Environment and Population Health, School of Public Health, Hebei Medical University, Shijiazhuang, China
- *Correspondence: Nan Cui, ; Lu Li,
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Mohanty G, Jena SR, Kar S, Samanta L. Paternal factors in recurrent pregnancy loss: an insight through analysis of non-synonymous single-nucleotide polymorphism in human testis-specific chaperone HSPA2 gene. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:62219-62234. [PMID: 34845642 DOI: 10.1007/s11356-021-17799-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
Heat shock protein A2 (HSPA2) is a testis-specific molecular chaperone of the 70 kDa heat shock protein (HSP70) family and reported to play a key role in spermatogenesis as well as in the remodelling of the sperm surface during capacitation. It is established that mice lacking HSPA2 gene are infertile and spermatozoa that fail to interact with the zona pellucida of the oocyte consistently lack HSPA2 protein expression. However, its role in post fertilization events is not fully understood. Owing to the importance of HSPA2 in male reproduction, the present study is undertaken to reveal the association between genetic mutation and phenotypic variation in recurrent pregnancy loss (RPL) patients through an in silico prediction analysis. In this study, we used different computational tools and servers such as SIFT, PolyPhen2, PROVEAN, nsSNPAnalyzer, and SNPs & GO to analyse the functional consequences of the nsSNPs in human HSPA2 gene. The most damaging amino acid variants generated were subjected to I-Mutant 2.0 and ConSurf. Post-translational modifications such as phosphorylation mediated by these deleterious nsSNPs were analysed using NetPhos 2.0, and gene-gene interaction study was conducted using GeneMANIA. Finally, in-depth studies of the nsSNPs were studied through Project HOPE. The findings of the study revealed 18 nsSNPs to be deleterious using a combinatorial bioinformatic approach. Further functional analysis suggests that screening of nsSNP variants of HSPA2 that tend to be conserved and has potential to undergo phosphorylation at critical positions (rs764410231, rs200951589, rs756852956) may be useful for predicting outcome in altered reproductive outcome. The physicochemical alterations and its impact on the structural and functional conformity were determined by Project HOPE. Gene-gene interaction depicts its close association with antioxidant enzyme (SOD1) strongly supporting an inefficient oxidative scavenging regulatory mechanism in the spermatozoa of RPL patients as reported earlier. The present study has thus identified high-risk deleterious nsSNPs of HSPA2 gene and would be beneficial in the diagnosis and prognosis of the paternal effects in RPL patients.
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Affiliation(s)
- Gayatri Mohanty
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, Odisha, India
- Centre for Excellence in Environment and Public Health, Ravenshaw University, Cuttack, Odisha, India
| | - Soumya Ranjan Jena
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, Odisha, India
- Centre for Excellence in Environment and Public Health, Ravenshaw University, Cuttack, Odisha, India
| | - Sujata Kar
- Department of Obstetrics & Gynaecology, Kar Clinic and Hospital Pvt. Ltd., Bhubaneswar, Odisha, India
| | - Luna Samanta
- Redox Biology & Proteomics Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, Odisha, India.
- Centre for Excellence in Environment and Public Health, Ravenshaw University, Cuttack, Odisha, India.
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Kang X, Zhu H. Bone Marrow Mesenchymal Stem Cells (BMSCs) Enhance Endometrial Stromal Cell Migration and Epithelial-Mesenchymal Transition in Adenomyosis Through Upregulation of Neuropilin 1. J BIOMATER TISS ENG 2022. [DOI: 10.1166/jbt.2022.2845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Hormone support (estrogen and progesterone) is a key factor in decidualization and embryo implantation. Elevated levels of estrogen lead to luteal phase defects through Neuropilin 1, a membranecytoskeleton junction protein. This study aimed to explore the effect of BMSCs on endometrial
stromal cells (ESCs) in adenomyosis. ESCs obtained from patients with adenomyosis were cocultured with BMSCs in the absence of presence of Neuropilin 1 inhibitor followed by analysis of expression of decidualization-related genes by RT-qPCR and western blot, cell viability by MTT assay, cell
invasion and migration by Transwell assay, oxidative stress factors by ROS kit. Treatment with Neuropilin 1 inhibitor significantly decreased ESC proliferation and invasion, blocked epithelialmesenchymal transition (EMT) process, and restrained decidualization with a downregulation of decidualization-related
genes. Furthermore, inhibition of Neuropilin 1 exerted effects through estrogen regulation. However, co-culture with BMSCs restored ESC activity by promoting Neuropilin expression and enhanced intrauterine ESC decidualization. In conclusion, Neuropilin 1 inhibitor restrains decidualization
through estrogen regulation which can be abrogated by estrogen receptor antagonists. BMSCs restore the damaged ESC decidualization through increasing Neuropilin 1 expression, which provides new insights into the adverse effect of Neuropilin 1 on human ESCs, suggesting that BMSC is a potential
therapeutic drug candidate for adenomyosis.
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Affiliation(s)
- Xiaofang Kang
- Department of Gynecology, Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, Fudan University, Shanghai, 200031, China
| | - Hongcheng Zhu
- Department of Obstetrics and Gynecology, Hubei Sheng Enshizhou Central Hospital, Enshi City, Hubei Province, 445009, China
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Skarzynski DJ, Bazer FW, Maldonado-Estrada JG. Editorial: Veterinary Reproductive Immunology. Front Vet Sci 2022; 8:823169. [PMID: 35083310 PMCID: PMC8784508 DOI: 10.3389/fvets.2021.823169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 12/06/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Dariusz J. Skarzynski
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research, Polish Academy of Science, Olsztyn, Poland
| | - Fuller W. Bazer
- Department of Animal Science, Texas A&M University, College Station, TX, United States
| | - Juan G. Maldonado-Estrada
- OHVRI Research Group, Escuela de Medicina Veterinaria, Universidad de Antioquia, Medellín, Colombia
- *Correspondence: Juan G. Maldonado-Estrada
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