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Baz AA, Hao H, Lan S, Li Z, Liu S, Jin X, Chen S, Chu Y. Emerging insights into macrophage extracellular traps in bacterial infections. FASEB J 2024; 38:e23767. [PMID: 38924166 DOI: 10.1096/fj.202400739r] [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: 04/03/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
Macrophages possess a diverse range of well-defined capabilities and roles as phagocytes, encompassing the regulation of inflammation, facilitation of wound healing, maintenance of tissue homeostasis, and serving as a crucial element in the innate immune response against microbial pathogens. The emergence of extracellular traps is a novel strategy of defense that has been observed in several types of innate immune cells. In response to infection, macrophages are stimulated and produce macrophage extracellular traps (METs), which take the form of net-like structures, filled with strands of DNA and adorned with histones and other cellular proteins. METs not only capture and eliminate microorganisms but also play a role in the development of certain diseases such as inflammation and autoimmune disorders. The primary objective of this study is to examine the latest advancements in METs for tackling bacterial infections. We also delve into the current knowledge and tactics utilized by bacteria to elude or endure the effects of METs. Through this investigation, we hope to shed light on the intricate interactions between bacteria and the host's immune system, particularly in the context of microbicidal effector mechanisms of METs. The continued exploration of METs and their impact on host defense against various pathogens opens up new avenues for understanding and potentially manipulating the immune system's response to infections.
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Affiliation(s)
- Ahmed Adel Baz
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut, Egypt
| | - Huafang Hao
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
| | - Shimei Lan
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
| | - Zhangcheng Li
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
| | - Shuang Liu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
| | - Xiangrui Jin
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
| | - Shengli Chen
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
| | - Yuefeng Chu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
- Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Ruminant Disease Prevention and Control (West), Ministry of Agricultural and Rural Affairs, Lanzhou, China
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Wan W, Zhang C, Zhang Q, Hua Z, Li N, Ma M, Shen H, Wang Z. Exploring the Mechanisms of Yishen Tongluo Decoction on Repairing DNA Damage in Mouse Spermatogonia Cells Based on Whole Transcriptome Sequencing. Am J Mens Health 2024; 18:15579883241246908. [PMID: 38725193 PMCID: PMC11084988 DOI: 10.1177/15579883241246908] [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] [Indexed: 05/12/2024] Open
Abstract
The aim of this study was to investigate the potential mechanism through which Yishen Tongluo decoction (YSTL) repairs DNA damage caused by benzo(a)pyrene diol epoxide (BPDE) in mouse spermatocytes (GC-2). The GC-2 cells were divided randomly into the control group, BPDE group, and low-, medium-, and high-dose YSTL groups of YSTL decoction. A comet assay was used to detect the DNA fragment index (DFI) of cells in each group. Based on the DFI results, whole transcriptome sequencing was conducted, followed by trend analysis, gene ontology (GO) enrichment analysis, kyoto encyclopedia of genes and genomes (KEGG) enrichment analysis, and ceRNA network analysis. Compared with the control group, the BPDE group reported a significant increase in the DNA fragmentation index (DFI) (p < .05). Compared with the BPDE group, the low-, high- and medium-dose YSTL groups had a significantly reduced DFI (p < .05). Whole-transcriptome sequencing revealed seven differentially expressed circRNAs, 203 differentially expressed miRNAs, and 3,662 differentially expressed mRNAs between the control group and the BPDE group. There was a total of 12 differentially expressed circRNAs, 204 miRNAs, and 2150 mRNAs between the BPDE group and the traditional Chinese medicine group. The pathways involved include DNA repair pathway, nucleotide excision repair pathway, base excision repair pathway, etc. The ceRNA network reported that Hmga2 was the core protein involved, novel_cir_000117 and mmu-miR-466c-3p were located upstream of Hmga2, and they were regulatory factors associated with Hmga2. Finally, we conclude that YSTL decoction may repair sperm DNA damage caused by BPDE through the novel_cir_000117-mmu-miR-466c-3p-Hmga2 pathway.
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Affiliation(s)
- Wenxi Wan
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Chenming Zhang
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
- The Second Clinical Medical School, Henan University of Chinese Medicine, Zhengzhou, China
| | - Qi Zhang
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Zhong Hua
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Ninghua Li
- Guangxi University of Chinese Medicine, Nanning, China
| | - Miaomiao Ma
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Huiyuan Shen
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Zulong Wang
- Department of Andrology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
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Budzinska M, Kamieniczna M, Wojnar L, Gill K, Piasecka M, Kups M, Fraczek M. The role of the intrinsic pathway of apoptosis in human ejaculated sperm damage under a state of scrotal heat stress. J Assist Reprod Genet 2024; 41:99-108. [PMID: 38062334 PMCID: PMC10789687 DOI: 10.1007/s10815-023-02992-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/16/2023] [Indexed: 01/17/2024] Open
Abstract
PURPOSE The study aimed to determine the associations among standard sperm characteristics and oxidative/apoptotic markers in ejaculated sperm of men exposed to prolonged scrotal hyperthermia of either environmental or clinical origin. METHODS The original study design included four research groups: professional drivers (n = 54), infertile men with varicocele (n = 78), infertile men not exposed to prolonged genital heat stress (n = 37), and fertile individuals serving as the control group (n = 29). Standard semen analysis was performed according to the 5th WHO laboratory manual. The following oxidative and apoptotic parameters of sperm were investigated: mitochondrial superoxide anion generation (MitoSOX Red dye), phosphatidylserine externalization (Annexin V binding assay), mitochondrial membrane potential (JC-1 dye), DNA fragmentation (TUNEL/PI assay), and membrane fluidity (merocyanine 540 dye). RESULTS All the studied groups presented a strong deterioration in routine sperm parameters and a strongly apoptotic phenotype in sperm, characterized by both decreased mitochondrial membrane potential and enhanced DNA fragmentation, regardless of the thermal insult. Significant induction of mitochondrial superoxide anion generation was noted only in the groups exposed to genital heat stress. A positive correlation between the production of superoxide anion in the mitochondrial chain and the level of DNA fragmentation in drivers was also noted. CONCLUSION Long-term exposure to scrotal hyperthermia in real-life situations is sufficient to reduce sperm quality in humans. The thermal stress directly induces the oxidative stress cascade in ejaculated sperm, affecting the plasma membrane fluidity, mitochondrial homeostasis, and sperm DNA integrity.
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Affiliation(s)
- Marta Budzinska
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland
| | - Marzena Kamieniczna
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland
| | - Lukasz Wojnar
- Clinic of Urology and Oncological Urology, Poznan University of Medical Sciences, Poznan, Poland
| | - Kamil Gill
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Malgorzata Piasecka
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, Szczecin, Poland
| | - Michal Kups
- Department and Clinic of Urology and Oncological Urology, Regional Specialist Hospital in Szczecin, Szczecin, Poland
- The Fertility Partnership Vitrolive in Szczecin, Szczecin, Poland
| | - Monika Fraczek
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland.
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Saint F, Huyghe E, Methorst C, Priam A, Seizilles de Mazancourt E, Bruyère F, Faix A. [Infections and male infertility]. Prog Urol 2023; 33:636-652. [PMID: 38012909 DOI: 10.1016/j.purol.2023.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND The role of urogenital infections in male infertility has long been the subject of debate. METHODS A bibliographic search limited to English-language literature on human subjects published before 5/2023 resulted in the selection of 189 articles. RESULTS Male infertility is often of multifactorial aetiology, and to optimise the prognosis it is important to manage all the factors that can be corrected, including infectious causes, which represent one of the most frequent aetiologies. The infectious agents involved in urogenital infections are most often bacterial or viral, and more rarely parasitic. They can infect the seminal tract, male accessory glands and/or testicles, and usually result in inflammation and increased oxidative stress. These infections reduce male fertility, in particular by altering spermogram parameters and increasing sperm DNA fragmentation. For these reasons, the search for a urogenital infection should be systematic, involving a careful history and clinical examination, ultrasound and systematic bacteriological tests guided by clinical findings. Aetiological treatment may be proposed depending on the picture and the germ involved. CONCLUSION This review should help the urologist to establish an accurate diagnosis of the form and extent of the infection, and enable him to define an appropriate therapeutic strategy, tailored to the patient, in order to obtain the best chances of improving male fertility.
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Affiliation(s)
- F Saint
- Service d'urologie-transplantation, CHU Amiens Picardie, Amiens, France; Laboratoire EPROAD EA 4669, université Picardie Jules-Verne, Amiens, France
| | - E Huyghe
- Département d'urologie, hôpital de Rangueil, CHU de Toulouse, Toulouse, France; Service de médecine de la reproduction, hôpital Paule-de-Viguier, CHU de Toulouse, Toulouse, France; UMR DEFE, Inserm 1203, université de Toulouse, université de Montpellier, Montpellier, France.
| | - C Methorst
- Service de médecine de la reproduction, hôpital des 4 villes, Saint-Cloud, France
| | - A Priam
- Service d'urologie-transplantation, CHU Amiens Picardie, Amiens, France
| | | | - F Bruyère
- Urologie, CHRU de Tours, Tours, France
| | - A Faix
- Clinique Saint-Roch, 560, avenue du Colonel-Pavelet-dit-Villars, 34000 Montpellier, France
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Archana SS, Swathi D, Ramya L, Heena HS, Krishnappa B, Binsila BK, Rajendran D, Selvaraju S. Relationship among seminal antigenicity, antioxidant status and metabolically active sperm from Holstein-Friesian ( Bos taurus) bulls. Syst Biol Reprod Med 2023; 69:366-378. [PMID: 37225677 DOI: 10.1080/19396368.2023.2198070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 02/13/2023] [Accepted: 02/20/2023] [Indexed: 05/26/2023]
Abstract
Sperm antigenicity has been implicated as a regulatory factor for acquiring fertilizing competence in the female reproductive tract. Overt immune response against the sperm proteins leads to idiopathic infertility. Hence, the aim of the study was to evaluate the influence of the auto-antigenic potential of sperm on the antioxidant status, metabolic activities and reactive oxygen species (ROS) in bovine. Semen from Holstein-Friesian bulls (n = 15) was collected and classified into higher (HA, n = 8) and lower (LA, n = 7) antigenic groups based on micro-titer agglutination assay. The neat semen was subjected to the evaluation of bacterial load, leukocyte count, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and lipid peroxidation (LPO) levels. Antioxidant activities in seminal plasma and intracellular ROS levels in the post-thawed sperm were estimated. The number of leukocytes was lower (p < .05) in the HA than the LA semen. The percentage of metabolically active sperm was higher (p < .05) in HA than the LA group. The activities of total non-enzymatic antioxidant, superoxide dismutase (SOD) and catalase (CAT) were higher (p < .05) while glutathione peroxidase activity was lower (p < .05) in the seminal plasma of LA group. The LPO levels of neat sperm and the percentage sperm positive for intracellular ROS in the cryopreserved sample were lower (p < .05) in the HA group. Auto-antigenic levels were positively correlated with the percentage of metabolically active sperm (r = 0.73, p < .01). However, the seminal auto-antigenicity was negatively (p < .05) correlated with the levels of SOD (r=-0.66), CAT (r=-0.72), LPO (r=-0.602) and intracellular ROS (r=-0.835). The findings were represented in graphical abstract. It is inferred that the higher auto-antigenic levels protect the quality of bovine semen by promoting sperm metabolism and lowering ROS and LPO levels.
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Affiliation(s)
- Santhanahalli Siddalingappa Archana
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
- Department of Biochemistry, Jain University, Bengaluru, India
| | - Divakar Swathi
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Laxman Ramya
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Hulliyurdurga Shameeulla Heena
- Feed Resources and Informatics Laboratory, Animal Nutrition Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Balaganur Krishnappa
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Bala Krishnan Binsila
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Duraisamy Rajendran
- Feed Resources and Informatics Laboratory, Animal Nutrition Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Sellappan Selvaraju
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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Moretti E, Signorini C, Corsaro R, Giamalidi M, Collodel G. Human Sperm as an In Vitro Model to Assess the Efficacy of Antioxidant Supplements during Sperm Handling: A Narrative Review. Antioxidants (Basel) 2023; 12:antiox12051098. [PMID: 37237965 DOI: 10.3390/antiox12051098] [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: 04/06/2023] [Revised: 04/27/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Spermatozoa are highly differentiated cells that produce reactive oxygen species (ROS) due to aerobic metabolism. Below a certain threshold, ROS are important in signal transduction pathways and cellular physiological processes, whereas ROS overproduction damages spermatozoa. Sperm manipulation and preparation protocols during assisted reproductive procedures-for example, cryopreservation-can result in excessive ROS production, exposing these cells to oxidative damage. Thus, antioxidants are a relevant topic in sperm quality. This narrative review focuses on human spermatozoa as an in vitro model to study which antioxidants can be used to supplement media. The review comprises a brief presentation of the human sperm structure, a general overview of the main items of reduction-oxidation homeostasis and the ambivalent relationship between spermatozoa and ROS. The main body of the paper deals with studies in which human sperm have been used as an in vitro model to test antioxidant compounds, including natural extracts. The presence and the synergic effects of different antioxidant molecules could potentially lead to more effective products in vitro and, in the future, in vivo.
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Affiliation(s)
- Elena Moretti
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy
| | - Cinzia Signorini
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy
| | - Roberta Corsaro
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy
| | - Maria Giamalidi
- Department of Genetics and Biotechnology, Faculty of Biology, University of Athens, 15701 Athens, Greece
| | - Giulia Collodel
- Department of Molecular and Developmental Medicine, University of Siena, 53100 Siena, Italy
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Takada M, Fukuhara D, Takiura T, Nishibori Y, Kotani M, Kiuchi Z, Kudo A, Beltcheva O, Ito-Nitta N, Nitta KR, Kimura T, Suehiro JI, Katada T, Takematsu H, Yan K. Involvement of GLCCI1 in mouse spermatogenesis. FASEB J 2023; 37:e22680. [PMID: 36468710 DOI: 10.1096/fj.202101667rr] [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: 10/28/2021] [Revised: 11/02/2022] [Accepted: 11/21/2022] [Indexed: 12/12/2022]
Abstract
Spermatid production is a complex regulatory process in which coordination between hormonal control and apoptosis plays a pivotal role in maintaining a balanced number of sperm cells. Apoptosis in spermatogenesis is controlled by pro-apoptotic and anti-apoptotic molecules. Hormones involved in the apoptotic process during spermatogenesis include gonadotrophins, sex hormones, and glucocorticoid (GC). GC acts broadly as an apoptosis inducer by binding to its receptor (glucocorticoid receptor: GR) during organ development processes, such as spermatogenesis. However, the downstream pathway induced in GC-GR signaling and the apoptotic process during spermatogenesis remains poorly understood. We reported previously that GC induces full-length glucocorticoid-induced transcript 1 (GLCCI1-long), which functions as an anti-apoptotic mediator in thymic T cell development. Here, we demonstrate that mature murine testis expresses a novel isoform of GLCCI1 protein (GLCCI1-short) in addition to GLCCI1-long. We demonstrate that GLCCI1-long is expressed in spermatocytes along with GR. In contrast, GLCCI1-short is primarily expressed in spermatids where GR is absent; instead, the estrogen receptor is expressed. GLCCI1-short also binds to LC8, which is a known mediator of the anti-apoptotic effect of GLCCI1-long. A luciferase reporter assay revealed that β-estradiol treatment synergistically increased Glcci1-short promotor-driven luciferase activity in Erα-overexpressing cells. Together with the evidence that the conversion of testosterone to estrogen is preceded by aromatase expression in spermatids, we hypothesize that estrogen induces GLCCI1-short, which, in turn, may function as a novel anti-apoptotic mediator in mature murine testis.
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Affiliation(s)
- Masaru Takada
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Daisuke Fukuhara
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Toshihiko Takiura
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Yukino Nishibori
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Masashi Kotani
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Zentaro Kiuchi
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Akihiko Kudo
- Department of Microscopic Anatomy, Kyorin University School of Medicine, Tokyo, Japan
| | - Olga Beltcheva
- Molecular Medicine Center and Department of Medical Chemistry and Biochemistry, Medical University of Sofia, Sofia, Bulgaria
| | - Noriko Ito-Nitta
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
| | - Kazuhiro R Nitta
- Diagnostics and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Toru Kimura
- Department of Toxicology and Pharmacology, Kyorin University School of Medicine, Tokyo, Japan
| | - Jun-Ichi Suehiro
- Department of Toxicology and Pharmacology, Kyorin University School of Medicine, Tokyo, Japan
| | - Tomohisa Katada
- Department of Toxicology and Pharmacology, Kyorin University School of Medicine, Tokyo, Japan
| | - Hiromu Takematsu
- Department of Molecular Cell Biology, Faculty of Medical Technology, Graduate School of Health Sciences, Fujita Health University, Toyoake, Japan
| | - Kunimasa Yan
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
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Gill K, Machalowski T, Harasny P, Kups M, Grabowska M, Duchnik E, Sipak O, Fraczek M, Kurpisz M, Kurzawa R, Piasecka M. Male Infertility Coexists with Decreased Sperm Genomic Integrity and Oxidative Stress in Semen Irrespective of Leukocytospermia. Antioxidants (Basel) 2022; 11:antiox11101987. [PMID: 36290709 PMCID: PMC9598546 DOI: 10.3390/antiox11101987] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 11/30/2022] Open
Abstract
Our research was designed to verify the relationship between male infertility, basic semen characteristics (with respect to detailed sperm morphology), sperm DNA fragmentation (SDF), oxidation-reduction potential in semen (ORP), and leukocytospermia. The obtained results showed that infertile groups (with or without leukocytospermia) had significantly lower basic semen characteristics and higher SDF, raw ORP, and static ORP (sORP) than fertile controls. The thresholds of 13% SDF (AUC = 0.733) and 1.40 sORP (AUC = 0.857) were predictive values for discriminating infertile from fertile men. In infertile groups, a higher prevalence and risk for >13% SDF and >1.40 sORP were revealed. Unexpectedly, leukocytospermic subjects had lower sORP, prevalence, and risk for >1.40 sORP than leukocytospermic-negative men. These groups did not differ in SDF and raw ORP. Both SDF and sORP negatively correlated with basic semen parameters but positively correlated with sperm head and midpiece defects. sORP positively correlated with sperm tail defects, immature sperm cells with excess residual cytoplasm, and SDF. In turn, raw ORP negatively correlated with sperm count but positively correlated with SDF and sORP. These findings indicate that (1) there is a relationship between male infertility, SDF, and OS in semen; (2) in infertile men, there is a clinically significant risk of SDF and OS irrespective of leukocytospermia; and (3) the assessment of SDF and oxidative stress should be independent of leukocytospermia.
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Affiliation(s)
- Kamil Gill
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
- Correspondence: (K.G.); (M.P.)
| | - Tomasz Machalowski
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
- Department of Perinatology, Obstetrics and Gynecology, Faculty of Medicine and Dentistry, Pomeranian Medical University, 72-010 Police, Poland
| | - Patryk Harasny
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
- Department of Urology and Urological Oncology, Faculty of Medicine and Dentistry, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Michal Kups
- Department of Urology and Oncological Urology, Regional Specialist Hospital in Szczecin, 71-455 Szczecin, Poland
- The Fertility Partnership Vitrolive in Szczecin, 70-483 Szczecin, Poland
| | - Marta Grabowska
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
| | - Ewa Duchnik
- Department of Aesthetic Dermatology, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| | - Olimpia Sipak
- Department of Obstetrics and Pathology of Pregnancy, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland
| | - Monika Fraczek
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, 60-479 Poznan, Poland
| | - Rafal Kurzawa
- The Fertility Partnership Vitrolive in Szczecin, 70-483 Szczecin, Poland
- Department of Gynecology and Reproductive Health, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland
| | - Malgorzata Piasecka
- Department of Histology and Developmental Biology, Faculty of Health Sciences, Pomeranian Medical University, 71-210 Szczecin, Poland
- Correspondence: (K.G.); (M.P.)
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Sharma R, Gupta S, Agarwal A, Henkel R, Finelli R, Parekh N, Saleh R, Arafa M, Ko E, Zini A, Tadros N, Shah R, Ambar RF, Elbardisi H, Sengupta P, Martinez M, Boitrelle F, Simopoulou M, Vogiatzi P, Gosalvez J, Kavoussi P, Kandil H, Palani A, Rodriguez Peña M, Rajmil O, Busetto GM, Anagnostopoulou C, Micic S, Alves MG, Rocco L, Mostafa T, Alvarez JG, Jindal S, Sallam HN, Maldonado Rosas I, Lewis SEM, AlSaid S, Altan M, Park HJ, Ramsay J, Parekattil S, Sabbaghian M, Tremellen K, Khalafalla K, Durairajanayagam D, Colpi GM. Relevance of Leukocytospermia and Semen Culture and Its True Place in Diagnosing and Treating Male Infertility. World J Mens Health 2022; 40:191-207. [PMID: 34169683 PMCID: PMC8987138 DOI: 10.5534/wjmh.210063] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/17/2021] [Accepted: 04/21/2021] [Indexed: 02/05/2023] Open
Abstract
The current WHO 2010 manual for human semen analysis defines leukocytospermia as the presence of peroxidase-positive leukocytes at a concentration >1×106/mL of semen. Granular leukocytes when activated are capable of generating high levels of reactive oxygen species in semen resulting in oxidative stress. Oxidative stress has been correlated with poor sperm quality, increased level of sperm DNA fragmentation and low fertility potential. The presence of leukocytes and pathogens in the semen may be a sign of infection and/or localized inflammatory response in the male genital tract and the accessory glands. Common uro-pathogens including Chlamydia trachomatis, Ureaplasma urealyticum, Neisseria gonorrhoeae, Mycoplasma hominis, and Escherichia coli can cause epididymitis, epididymo-orchitis, or prostatitis. The relationship between leukocytospermia and infection is unclear. Therefore, we describe the pathogens responsible for male genital tract infections and their association with leukocytospermia. The review also examines the diagnostic tests available to identify seminal leukocytes. The role of leukocytospermia in male infertility and its management is also discussed.
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Affiliation(s)
- Rakesh Sharma
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Sajal Gupta
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA.
| | - Ralf Henkel
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa
| | - Renata Finelli
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Neel Parekh
- Department of Urology, Cleveland Clinic, Cleveland, OH, USA
| | - Ramadan Saleh
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Mohamed Arafa
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
- Department of Urology, Hamad Medical Corporation, Doha, Qatar
- Department of Urology, Weill Cornell Medical-Qatar, Doha, Qatar
| | - Edmund Ko
- Department of Urology, Loma Linda University Health, Loma Linda, CA, USA
| | - Armand Zini
- Department of Surgery, McGill University, Montreal, Canada
| | - Nicholas Tadros
- Division of Urology, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Rupin Shah
- Department of Urology, Lilavati Hospital and Research Centre, Mumbai, India
| | - Rafael F Ambar
- Department of Urology, Centro Universitario em Saude do ABC/Andrology Group at Ideia Fertil Institute of Human Reproduction, Santo André, Brazil
| | - Haitham Elbardisi
- Department of Urology, Hamad Medical Corporation, Doha, Qatar
- Department of Urology, Weill Cornell Medical-Qatar, Doha, Qatar
| | - Pallav Sengupta
- Department of Physiology, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jenjarom, Selangor, Malaysia
| | - Marlon Martinez
- Section of Urology, University of Santo Tomas Hospital, Manila, Philippines
| | - Florence Boitrelle
- Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, Poissy, France
- Paris Saclay University, UVSQ, INRAE, BREED, Jouy-en-Josas, France
| | - Mara Simopoulou
- Department of Physiology, School of Medicine, National & Kapodistrian University of Athens, Maroussi, Athens, Greece
| | - Paraskevi Vogiatzi
- Andromed Health & Reproduction, Fertility Diagnostics Laboratory, Maroussi, Greece
| | - Jaime Gosalvez
- Departamento de Biología, Universidad Autónoma de Madrid, Madrid, Spain
| | - Parviz Kavoussi
- Austin Fertility and Reproductive Medicine/Westlake IVF, Department of Urology, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | | | - Ayad Palani
- Department of Biochemistry, College of Medicine, University of Garmian, Kalar, Iraq
| | - Marcelo Rodriguez Peña
- Departamento Docencia e Investigación, Hospital Militar Campo de Mayo, Universidad Barcelo, Buenos Aires, Argentina
| | - Osvaldo Rajmil
- Clinical and training Centre of the European Academy of Andrology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Gian Maria Busetto
- Department of Urology and Renal Transplantation, University of Foggia Policlinico Riuniti of Foggia, Foggia, Italy
| | | | - Sava Micic
- Department of Andrology, Uromedica Polyclinic, Belgrade, Serbia
| | - Marco G Alves
- Department of Anatomy & Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Lucia Rocco
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania Luigi Vanvitelli, Caserta, Italy
| | - Taymour Mostafa
- Department of Andrology, Sexology & STIs, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Juan G Alvarez
- Centro ANDROGEN, La Coruña, Spain
- Department of Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA, USA
| | - Sunil Jindal
- Department of Andrology and Reproductive Medicine, Jindal Hospital, Meerut, India
| | - Hassan N Sallam
- Department of Obstetrics and Gynaecology, Alexandria University Faculty of Medicine, Alexandria, Egypt
| | - Israel Maldonado Rosas
- Centerf Technological Innovation, and Reproductive Medicine (CITMER), Mexico City, Mexico
| | - Sheena E M Lewis
- Examenlab Ltd., Weavers Court Business Park, Linfield Road, Belfast, Northern Ireland, UK
| | - Sami AlSaid
- Department of Urology, Hamad Medical Corporation, Doha, Qatar
| | - Mesut Altan
- Department of Urology, Haceppete University, Ankara, Turkey
| | - Hyun Jun Park
- Department of Urology, Pusan National University School of Medicine, Busan, Korea
- Medical Research Institute of Pusan National University Hospital, Busan, Korea
| | | | - Sijo Parekattil
- Avant Concierge Urology & University of Central Florida, Winter Garden, FL, USA
| | - Marjan Sabbaghian
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Kelton Tremellen
- Department of Obstetrics Gynaecology and Reproductive Medicine, Flinders University, Adelaide, South Australia
| | | | - Damayanthi Durairajanayagam
- Department of Physiology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Selangor, Malaysia
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10
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Aitken RJ, Drevet JR, Moazamian A, Gharagozloo P. Male Infertility and Oxidative Stress: A Focus on the Underlying Mechanisms. Antioxidants (Basel) 2022; 11:antiox11020306. [PMID: 35204189 PMCID: PMC8868102 DOI: 10.3390/antiox11020306] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/25/2022] [Accepted: 01/31/2022] [Indexed: 01/27/2023] Open
Abstract
Reactive oxygen species (ROS) play a critical role in defining the functional competence of human spermatozoa. When generated in moderate amounts, ROS promote sperm capacitation by facilitating cholesterol efflux from the plasma membrane, enhancing cAMP generation, inducing cytoplasmic alkalinization, increasing intracellular calcium levels, and stimulating the protein phosphorylation events that drive the attainment of a capacitated state. However, when ROS generation is excessive and/or the antioxidant defences of the reproductive system are compromised, a state of oxidative stress may be induced that disrupts the fertilizing capacity of the spermatozoa and the structural integrity of their DNA. This article focusses on the sources of ROS within this system and examines the circumstances under which the adequacy of antioxidant protection might become a limiting factor. Seminal leukocyte contamination can contribute to oxidative stress in the ejaculate while, in the germ line, the dysregulation of electron transport in the sperm mitochondria, elevated NADPH oxidase activity, or the excessive stimulation of amino acid oxidase action are all potential contributors to oxidative stress. A knowledge of the mechanisms responsible for creating such stress within the human ejaculate is essential in order to develop better antioxidant strategies that avoid the unintentional creation of its reductive counterpart.
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Affiliation(s)
- Robert John Aitken
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
- Correspondence: ; Tel.: +61-2-4921-6851
| | - Joël R. Drevet
- GReD Institute, INSERM U1103-CNRS UMR6293—Université Clermont Auvergne, Faculty of Medicine, CRBC Building, 28 Place Henri Dunant, 63001 Clermont-Ferrand, France; (J.R.D.); (A.M.)
| | - Aron Moazamian
- GReD Institute, INSERM U1103-CNRS UMR6293—Université Clermont Auvergne, Faculty of Medicine, CRBC Building, 28 Place Henri Dunant, 63001 Clermont-Ferrand, France; (J.R.D.); (A.M.)
- CellOxess LLC, Ewing, NJ 08628, USA;
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11
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Abstract
Over the past half-century, the world has witnessed a steep decline in fertility rates in virtually every country on Earth. This universal decline in fertility is being driven by increasing prosperity largely through the mediation of social factors, the most powerful of which are the education of women and an accompanying shift in life’s purpose away from procreation. In addition, it is clear that environmental and lifestyle factors are also having a profound impact on our reproductive competence particularly in the male where increasing prosperity is associated with a significant rise in the incidence of testicular cancer and a secular decline in semen quality and testosterone levels. On a different timescale, we should also recognize that the increased prosperity associated with the demographic transition greatly reduces the selection pressure on high fertility genes by lowering the rates of infant and childhood mortality. The retention of poor fertility genes within the human population is also being exacerbated by the increased uptake of ART. It is arguable that all of these elements are colluding to drive our species into an infertility trap. If we are to avoid the latter, it will be important to recognize the factors contributing to this phenomenon and adopt the social, political, environmental and lifestyle changes needed to bring this situation under control.
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Affiliation(s)
- R John Aitken
- Priority Research Centre for Reproductive Science, Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, NSW, Australia
- Correspondence address. Discipline of Biological Sciences, School of Environmental and Life Sciences, College of Engineering Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia. Tel: +61-2-4921-6851; E-mail:
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12
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Campbell MJ, Sucquart IE, Whittaker A, Sanganee HJ, Barratt CLR, Martins da Silva SJ. Myeloperoxidase inhibitor AZD5904 enhances human sperm function in vitro. Hum Reprod 2021; 36:560-570. [PMID: 33393586 DOI: 10.1093/humrep/deaa328] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 10/02/2020] [Indexed: 11/14/2022] Open
Abstract
STUDY QUESTION Does AZD5904, a myeloperoxidase inhibitor (MPOi), have any effect on human sperm function in vitro? SUMMARY ANSWER AZD5904 improves sperm function in an in vitro model of oxidative stress (OS) and potentially offers a novel treatment approach for male infertility. WHAT IS KNOWN ALREADY Male infertility is an underlying or contributory cause in half of all couples experiencing difficulties conceiving, yet there is currently no effective treatment or cure. OS is a common pathology in a significant proportion of infertile men. It can negatively affect sperm motility and the ability to fertilize a mature oocyte, as well as DNA integrity, and therefore represents an attractive target for therapeutic intervention. STUDY DESIGN, SIZE, DURATION This study included population-based samples from men (23-50 years) attending Ninewells Assisted Conception Unit, Dundee for diagnostic semen analysis, July 2017-September 2018. Semen samples (n = 47) from 45 patients were used. PARTICIPANTS/MATERIALS, SETTING, METHODS Neutrophils activated using zymosan were incubated with prepared human spermatozoa for 2 h (T2) and 24 h (T24) to create an in vitro model of OS. Parallel samples were co-incubated with AZD5904, an MPOi, to examine its effects. Sperm motility was assessed by computer-assisted sperm analysis at T2 and T24. Functional motility was assessed by sperm penetration assay. Statistical analysis was performed using GraphPad Prism. MAIN RESULTS AND THE ROLE OF CHANCE There was no significant difference in total or progressive sperm motility between any treatment and control groups at T2 or T24. Nonetheless, significant positive effects on sperm function were observed with AZD5904, with 16/45 (35.6%) samples (with both normal and abnormal baseline semen analysis characteristics) displaying a ≥20% increase in sperm penetrated through viscous media (P < 0.003). LIMITATIONS, REASONS FOR CAUTION This was an in vitro study. WIDER IMPLICATIONS OF THE FINDINGS Treatment with AZD5904 resulted in significant increased sperm penetration in one of three samples treated, which is likely to represent improvement in sperm function required for fertilization. We are now planning a clinical trial to validate these results and hope that this could represent a new treatment for male infertility. STUDY FUNDING/COMPETING INTEREST(S) AZD5904 was shared through the AstraZeneca Open Innovation program. The study was funded by AstraZeneca and sponsored by the University of Dundee. Additional funding was provided by Chief Scientist Office/NHS Research Scotland (S.J.M.d.S.). A.W. and H.J.S. are both full time employees of AstraZeneca. A.W. and H.J.S. are inventors on a patent filed by AstraZeneca titled MPOi for use in medicine which includes MPOi for use in the treatment of male infertility (WO 2019/016074 Al). S.J.M.d.S. is Associate Editor of Human Reproduction and Editorial Board member of Reproduction & Fertility. C.L.R.B. is Editor of RBMO and has received lecturing fees from Merck and Ferring and is on the Scientific Advisory Panel for Ohana BioSciences. C.L.R.B. was chair of the World Health Organization Expert Synthesis Group on Diagnosis of Male infertility (2012-2016). C.L.R.B. has a patent WO2013054111 A1 issued. The other authors declare no conflict of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- M J Campbell
- Reproductive Medicine Research Group, School of Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - I E Sucquart
- Reproductive Medicine Research Group, School of Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - A Whittaker
- Emerging Innovations Unit, Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | - H J Sanganee
- Emerging Innovations Unit, Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | - C L R Barratt
- Reproductive Medicine Research Group, School of Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
| | - S J Martins da Silva
- Reproductive Medicine Research Group, School of Medicine, Ninewells Hospital and Medical School, University of Dundee, Dundee, UK
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13
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Tirpák F, Greifová H, Lukáč N, Stawarz R, Massányi P. Exogenous Factors Affecting the Functional Integrity of Male Reproduction. Life (Basel) 2021; 11:213. [PMID: 33803103 PMCID: PMC8001766 DOI: 10.3390/life11030213] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/04/2021] [Accepted: 03/07/2021] [Indexed: 12/16/2022] Open
Abstract
Natural processes along with increased industrial production and the irresponsible behavior of mankind have resulted in environmental pollution. Environmental pollutants can be categorized based on their characteristics and appearance into the following groups: physical, biological, and chemical. Every single one of them represents a serious threat to the male reproductive tract despite the different modes of action. Male gonads and gametes are especially vulnerable to the effect of exogenous factors; therefore, they are considered a reliable indicator of environmental pollution. The impact of xenobiotics or radiation leads to an irreversible impairment of fertility displayed by histological changes, modulated androgen production, or compromised spermatozoa (or germ cells) quality. The present article reviews the exogenous threats, male reproductive system, the mode of action, and overall impact on the reproductive health of humans and animals.
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Affiliation(s)
- Filip Tirpák
- AgroBioTech Research Centre, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia
| | - Hana Greifová
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
| | - Norbert Lukáč
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
| | - Robert Stawarz
- Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland;
| | - Peter Massányi
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
- Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland;
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14
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Saraf KK, Kumaresan A, Sinha MK, Datta TK. Spermatozoal transcripts associated with oxidative stress and mitochondrial membrane potential differ between high- and low-fertile crossbred bulls. Andrologia 2021; 53:e14029. [PMID: 33665828 DOI: 10.1111/and.14029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 12/31/2020] [Accepted: 02/15/2021] [Indexed: 12/27/2022] Open
Abstract
The presence of various forms of RNAs having roles in fertilisation and early embryonic development is well documented in mammalian spermatozoa. In the present study, using Agilent microarray platform, we compared sperm mRNA expression profiles between high- and low-fertile crossbred bulls with normal semen parameters. Microarray data acquisition and analysis were performed using GeneSpring GX version software, wherein spermatozoa from high-fertile bulls were kept as control while spermatozoa from low-fertile bulls were considered as treatment group. A total of 6,238 transcripts were detected in crossbred bull spermatozoa; 559 transcripts (>1.5-fold) were differentially regulated between high- and low-fertile bulls. Functional annotation has categorised these transcripts into biological process, cellular, and molecular functions. It was observed that transcripts associated with oxidation reduction process (p = .003), mitochondrial membrane potential (p = .03), were significantly down-regulated while transcripts associated with apoptosis (p = .04) were up-regulated in low-fertile spermatozoa. The dysregulated genes were involved in important cellular pathways including oxidative phosphorylation (p = .002), oestrogen signalling (p = .002), Wnt signalling (p = .035), cGMP-PKG signalling (p = .007) and MAPK signalling (p = .032) pathways. Collectively, the present study discovered profound discrepancies in sperm mRNA expression between high- and low-fertile crossbred bulls, with potential possibilities for their use in fertility prediction.
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Affiliation(s)
- Kaustubh Kishor Saraf
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR- National Dairy Research Institute, Bengaluru, Karnataka, India
| | - Arumugam Kumaresan
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR- National Dairy Research Institute, Bengaluru, Karnataka, India
| | - Manish Kumar Sinha
- Theriogenology Laboratory, Veterinary Gynaecology and Obstetrics, Southern Regional Station of ICAR- National Dairy Research Institute, Bengaluru, Karnataka, India
| | - Tirtha Kumar Datta
- Animal Genomics Laboratory, ICAR - National Dairy Research Institute, Karnal, Haryana, India
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15
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Seminal antigenicity affects mitochondrial membrane potential and acrosome reaction ability of the spermatozoa during cryopreservation. Theriogenology 2021; 159:132-139. [DOI: 10.1016/j.theriogenology.2020.10.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 10/01/2020] [Accepted: 10/21/2020] [Indexed: 12/11/2022]
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16
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Aitken RJ. The Male Is Significantly Implicated as the Cause of Unexplained Infertility. Semin Reprod Med 2020; 38:3-20. [PMID: 33086406 DOI: 10.1055/s-0040-1718941] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Male infertility is recognized as a relatively common, complex condition, generated by a broad array of environmental and genetic factors. Historical reliance on the conventional semen profile has tended to underestimate the true contribution of "the male factor" to human infertility. This review highlights the importance of genetic and epigenetic factors in the etiology of male infertility, identifying a range of mutations responsible for primary testicular failure and impaired fertilizing potential. More than three quarters of all de novo mutations arise in the male germline via mechanisms that involve the inefficient or defective repair of DNA damage. Understanding the range of factors capable of creating genetic turmoil in the paternal germline is essential, if we are to gain a deep understanding of the causes of male infertility, rather than just the symptoms that characterize its presence. High levels of DNA fragmentation induced by oxidative stress are part of this equation. Oxidative stress is, in turn, driven by biological (age, ejaculation frequency, varicocele, infection), lifestyle (smoking, obesity), and environmental factors (heat, other forms of electromagnetic radiation, and toxins) that can impair the fertilizing potential of the spermatozoa and influence the incidence of spontaneous mutations that may cause infertility in the offspring.
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Affiliation(s)
- Robert John Aitken
- Priority Research Centre in Reproductive Science, Faculty of Science and Faculty of Health and Medicine, University of Newcastle, Newcastle, New South Wales, Australia.,Hunter Medical Research Institute, Newcastle, New South Wales, Australia
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17
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Ded L, Hwang JY, Miki K, Shi HF, Chung JJ. 3D in situ imaging of the female reproductive tract reveals molecular signatures of fertilizing spermatozoa in mice. eLife 2020; 9:62043. [PMID: 33078708 PMCID: PMC7707823 DOI: 10.7554/elife.62043] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/19/2020] [Indexed: 12/21/2022] Open
Abstract
Out of millions of ejaculated sperm, a few reach the fertilization site in mammals. Flagellar Ca2+ signaling nanodomains, organized by multi-subunit CatSper calcium channel complexes, are pivotal for sperm migration in the female tract, implicating CatSper-dependent mechanisms in sperm selection. Here using biochemical and pharmacological studies, we demonstrate that CatSper1 is an O-linked glycosylated protein, undergoing capacitation-induced processing dependent on Ca2+ and phosphorylation cascades. CatSper1 processing correlates with protein tyrosine phosphorylation (pY) development in sperm cells capacitated in vitro and in vivo. Using 3D in situ molecular imaging and ANN-based automatic detection of sperm distributed along the cleared female tract, we demonstrate that spermatozoa past the utero-tubal junction possess the intact CatSper1 signals. Together, we reveal that fertilizing mouse spermatozoa in situ are characterized by intact CatSper channel, lack of pY, and reacted acrosomes. These findings provide molecular insight into sperm selection for successful fertilization in the female reproductive tract.
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Affiliation(s)
- Lukas Ded
- Department of Cellular & Molecular Physiology, Yale School of Medicine, New Haven, United States.,Laboratory of Reproductive Biology, Institute of Biotechnology, Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic
| | - Jae Yeon Hwang
- Department of Cellular & Molecular Physiology, Yale School of Medicine, New Haven, United States
| | - Kiyoshi Miki
- Boston Children's Hospital, Boston, United States
| | - Huanan F Shi
- Department of Cellular & Molecular Physiology, Yale School of Medicine, New Haven, United States
| | - Jean-Ju Chung
- Department of Cellular & Molecular Physiology, Yale School of Medicine, New Haven, United States.,Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, United States
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18
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Saki J, Sabaghan M, Arjmand R, Teimoori A, Rashno M, Saki G, Shojaee S. Spermatogonia apoptosis induction as a possible mechanism of Toxoplasma gondii-induced male infertility. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2020; 23:1164-1171. [PMID: 32963738 PMCID: PMC7491504 DOI: 10.22038/ijbms.2020.43535.10224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Objective(s): The protozoan Toxoplasma gondii as an intracellular protozoan is widely prevalent in humans and animals. Infection generally occurs through consuming food contaminated with oocysts and tissue cysts from undercooked meat. The parasite is carried in sexual fluids like semen but there is little information about the effect of T. gondii on the male reproductive system. In this study, we examined the effect of T. gondii tachyzoites on apoptosis induction in type B spermatogonia (GC-1) cells. Materials and Methods: Fresh tachyzoites taken of infected BALB/c mice, GC-1 spg cells were infected with increasing concentrations of tachyzoites of T. gondii, then apoptotic cells were identified and quantified by flow cytometry. The genes associated with apoptosis were evaluated by RT2 Profiler PCR Array. Results: PCR array analysis of 84 apoptosis-related genes demonstrated that 12 genes were up-regulated at least 4-fold and that one gene was down-regulated at least 2-fold in the T. gondii infection group compared with levels in the control group. The number of genes whose expression had increased during the period of infection with T. gondii was significantly higher than those whose expressions had decreased (18 versus 1) and Tnfrsf11b had the highest rate of gene expression. Conclusion: T. gondii induce in vitro apoptosis of GC-1 spg cells. This effect shows a trend of concentration-dependent increase so that with an increase in the ratio of parasite burden to spermatogonial cells, in addition to an increase in the number of genes whose expression has changed, the fold of these changes has increased as well.
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Affiliation(s)
- Jasem Saki
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohamad Sabaghan
- Department of Parasitology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Arjmand
- Department of Parasitology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Teimoori
- Virology Department, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Rashno
- Department of Immunology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ghasem Saki
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Physiology Research Center, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeedeh Shojaee
- Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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19
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Robert KA, Sharma R, Henkel R, Agarwal A. An update on the techniques used to measure oxidative stress in seminal plasma. Andrologia 2020; 53:e13726. [PMID: 32814366 DOI: 10.1111/and.13726] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 05/12/2020] [Accepted: 05/22/2020] [Indexed: 12/15/2022] Open
Abstract
Reactive oxygen species (ROS) are produced in significant amounts by spermatozoa and leucocytes. They are necessary to carry out various physiological functions such as sperm capacitation, hyperactivation, acrosome reaction, sperm-zona binding and cellular signalling pathways. Oxidative stress (OS) results when the ROS levels overwhelm the available antioxidant reserve. A number of direct and indirect tests have been developed to assess oxidative stress. In this manuscript, we discuss these common direct and indirect tests as well as their advantages and disadvantages. Tests measuring sperm dysfunction secondary to oxidative stress such as lipid peroxidation, DNA fragmentation and protein alterations are also described.
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Affiliation(s)
- Kathy A Robert
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Rakesh Sharma
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ralf Henkel
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
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20
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Abstract
Sperm DNA damage reduces pregnancy rates in couples undergoing in vitro fertilization (IVF). Because it has been shown that testicular sperm have lower DNA damage than ejaculated sperm, it is an attractive idea to consider using testicular sperm for IVF for men with high sperm DNA damage. In fact, there are multiple centers throughout the world now offering sperm retrieval for IVF to manage this condition. However, there is insufficient evidence to conclude that testicular sperm improves pregnancy/live birth rates. Further studies are required before offering sperm retrieval as a standard of care to manage high sperm DNA damage.
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21
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Aitken RJ, Drevet JR. The Importance of Oxidative Stress in Determining the Functionality of Mammalian Spermatozoa: A Two-Edged Sword. Antioxidants (Basel) 2020; 9:antiox9020111. [PMID: 32012712 PMCID: PMC7070991 DOI: 10.3390/antiox9020111] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 12/31/2022] Open
Abstract
This article addresses the importance of oxidative processes in both the generation of functional gametes and the aetiology of defective sperm function. Functionally, sperm capacitation is recognized as a redox-regulated process, wherein a low level of reactive oxygen species (ROS) generation is intimately involved in driving such events as the stimulation of tyrosine phosphorylation, the facilitation of cholesterol efflux and the promotion of cAMP generation. However, the continuous generation of ROS ultimately creates problems for spermatozoa because their unique physical architecture and unusual biochemical composition means that they are vulnerable to oxidative stress. As a consequence, they are heavily dependent on the antioxidant protection afforded by the fluids in the male and female reproductive tracts and, during the precarious process of insemination, seminal plasma. If this antioxidant protection should be compromised for any reason, then the spermatozoa experience pathological oxidative damage. In addition, situations may prevail that cause the spermatozoa to become exposed to high levels of ROS emanating either from other cells in the immediate vicinity (particularly neutrophils) or from the spermatozoa themselves. The environmental and lifestyle factors that promote ROS generation by the spermatozoa are reviewed in this article, as are the techniques that might be used in a diagnostic context to identify patients whose reproductive capacity is under oxidative threat. Understanding the strengths and weaknesses of ROS-monitoring methodologies is critical if we are to effectively identify those patients for whom treatment with antioxidants might be considered a rational management strategy.
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Affiliation(s)
- Robert J. Aitken
- Priority Research Centre for Reproductive Sciences, Faculty of Science and Faculty of Health and Medicine, The University of Newcastle, Callaghan, NSW 2308, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW, 2305, Australia
- Correspondence:
| | - Joel R. Drevet
- GReD Institute, INSERM U1103—CNRS UMR6293—Université Clermont Auvergne, Faculty of Medicine, CRBC building, 28 place Henri Dunant, 63001 Clermont-Ferrand, France;
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22
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Aitken RJ, Baker MA. The Role of Genetics and Oxidative Stress in the Etiology of Male Infertility-A Unifying Hypothesis? Front Endocrinol (Lausanne) 2020; 11:581838. [PMID: 33101214 PMCID: PMC7554587 DOI: 10.3389/fendo.2020.581838] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022] Open
Abstract
Despite the high prevalence of male infertility, very little is known about its etiology. In recent years however, advances in gene sequencing technology have enabled us to identify a large number of rare single point mutations responsible for impeding all aspects of male reproduction from its embryonic origins, through the endocrine regulation of spermatogenesis to germ cell differentiation and sperm function. Such monogenic mutations aside, the most common genetic causes of male infertility are aneuploidies such as Klinefelter syndrome and Y-chromosome mutations which together account for around 20-25% of all cases of non-obstructive azoospermia. Oxidative stress has also emerged as a major cause of male fertility with at least 40% of patients exhibiting some evidence of redox attack, resulting in high levels of lipid peroxidation and oxidative DNA damage in the form of 8-hydroxy-2'-deoxyguanosine (8OHdG). The latter is highly mutagenic and may contribute to de novo mutations in our species, 75% of which are known to occur in the male germ line. An examination of 8OHdG lesions in the human sperm genome has revealed ~9,000 genomic regions vulnerable to oxidative attack in spermatozoa. While these oxidized bases are generally spread widely across the genome, a particular region on chromosome 15 appears to be a hot spot for oxidative attack. This locus maps to a genetic location which has linkages to male infertility, cancer, imprinting disorders and a variety of behavioral conditions (autism, bipolar disease, spontaneous schizophrenia) which have been linked to the age of the father at the moment of conception. We present a hypothesis whereby a number of environmental, lifestyle and clinical factors conspire to induce oxidative DNA damage in the male germ line which then triggers the formation de novo mutations which can have a major impact on the health of the offspring including their subsequent fertility.
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Affiliation(s)
- Robert John Aitken
- Faculty of Science and Faculty of Health and Medicine, Priority Research Centre in Reproductive Science, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- *Correspondence: Robert John Aitken
| | - Mark A. Baker
- Faculty of Science and Faculty of Health and Medicine, Priority Research Centre in Reproductive Science, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
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23
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From Past to Present: The Link Between Reactive Oxygen Species in Sperm and Male Infertility. Antioxidants (Basel) 2019; 8:antiox8120616. [PMID: 31817049 PMCID: PMC6943565 DOI: 10.3390/antiox8120616] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 11/22/2019] [Accepted: 11/26/2019] [Indexed: 01/13/2023] Open
Abstract
Reactive oxygen species (ROS) can be generated in mammalian cells via both enzymatic and non-enzymatic mechanisms. In sperm cells, while ROS may function as signalling molecules for some physiological pathways, the oxidative stress arising from the ubiquitous production of these compounds has been implicated in the pathogenesis of male infertility. In vitro studies have undoubtedly shown that spermatozoa are indeed susceptible to free radicals. However, many reports correlating ROS with sperm function impairment are based on an oxidative stress scenario created in vitro, lacking a more concrete observation of the real capacity of sperm in the production of ROS. Furthermore, sample contamination by leukocytes and the drawbacks of many dyes and techniques used to measure ROS also greatly impact the reliability of most studies in this field. Therefore, in addition to a careful scrutiny of the data already available, many aspects of the relationship between ROS and sperm physiopathology are still in need of further controlled and solid experiments before any definitive conclusions are drawn.
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24
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Medikamentöse Therapie primär nichthormonell bedingter männlicher Fertilitätsstörungen. GYNAKOLOGISCHE ENDOKRINOLOGIE 2019. [DOI: 10.1007/s10304-019-00273-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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Abstract
Infertility affects nearly 15 per cent of all couples within the reproductive age worldwide, with about 50 per cent being exhibited in the male, called male factor infertility. Successful reproduction is dependent on sperm chromatin integrity. Spermatozoa are highly specialized cells that aim to transmit the paternal genomic blueprint to the oocyte. The spermatozoon is regulated by redox mechanisms during its epididymal transit to acquire fertilizing ability. While, at physiological levels, the production of reactive oxygen species (ROS) supports the spermatozoon to acquire its fertilizing ability, at high concentrations, it affects sperm function leading to infertility. Emerging proteomic technologies provide an opportunity to address these key issues that may solve many fertility-associated problems resulting from oxidative stress (OS). This review highlights the need for an efficient therapeutic approach to male infertility with the application of high-throughput OS-mediated proteomic technology, and also addresses the question as to whether targeting these altered sperm-specific proteins may help in designing an efficient and reversible male contraceptive.
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Affiliation(s)
- Gayatri Mohanty
- Department of Zoology, Redox Biology Laboratory, Ravenshaw University, Cuttack, India
| | - Luna Samanta
- Department of Zoology, Redox Biology Laboratory, Ravenshaw University, Cuttack, India
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26
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Schulz M, Zambrano F, Schuppe HC, Wagenlehner F, Taubert A, Gaertner U, Sánchez R, Hermosilla C. Monocyte-derived extracellular trap (MET) formation induces aggregation and affects motility of human spermatozoa in vitro. Syst Biol Reprod Med 2019; 65:357-366. [PMID: 31208212 DOI: 10.1080/19396368.2019.1624873] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The presence of bacteria and/or leukocytes can alter semen quality resulting in low sperm quality and infertility. Inflammation or infection increases the numbers of PMN or macrophages/monocytes in male genital tract. Release of extracellular traps (ETs) by leukocytes has been recognized as a novel mechanism of early host innate immunity, in response to invasive pathogens. This is the first work that evaluated the mechanism of triggered ETs in monocytes co-incubated with spermatozoa or bacteria and the effect on sperm function. Selected spermatozoa and human monocytes isolated from peripheral blood were obtained by healthy donors. Two experimental models were developed, one aseptic (non-infectious) incubating spermatozoa and monocytes, and septic models (infectious) incubating spermatozoa with monocytes and uropathogenic Escherichia coli (E. coli). ETs of monocytes (METs) (DNA, global histone and citrullinated histones) were visualized by scanning electron microscopy (SEM) and immunofluorescence analyses. Progressive motility was performed at 0, 10, 30, 60, and 180 min after co-incubation with CASA system. SEM- and immunofluorescence-analyses revealed human spermatozoa alone or in the presence of E. coli as strong inducers METs. In aseptic model, the motility decreased to 65.2 ± 3.5% at 10 min of incubation and 29.3 ± 3.3% at 30 min (p < 0.001). In septic model, motility decreased to 44.5 ± 5.9% (10 min) and 12.7 ± 2.2% (30 min) (p < 0.001). MET-derived small spermatozoa aggregations were observed in both models. METs might physically block spermatozoa and decrease motility after a brief contact. This may impair male fertility, especially in patients with genital tract infections or chronic inflammation. Abbreviations: PMN: polymorphonuclear; ETs: extracellular traps; E. coli: Escherichia coli; METs: ETs of monocytes; SEM: scanning electron microscopy; NE: neutrophil elastase; MPO: myeloperoxidase; MAGI: male accessory gland infection; PBMC: peripheral blood mononuclear cells; RT: room temperature; CFU: colony forming units; CASA: computer-aided sperm analysis; H4Cit3: histone H4 citrullinated 3.
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Affiliation(s)
- Mabel Schulz
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera , Temuco , Chile.,Doctoral Program in Morphological Sciences, Faculty of Medicine, Universidad de La Frontera , Temuco , Chile.,Institute of Parasitology, Biomedical Research Center Seltersberg (BFS), Justus Liebig University Giessen , Giessen , Germany
| | - Fabiola Zambrano
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera , Temuco , Chile.,Department of Preclinical Science, Faculty of Medicine, Universidad de La Frontera , Temuco , Chile
| | - Hans-Christian Schuppe
- Department of Urology, Pediatric Urology and Andrology, Justus Liebig University Giessen , Giessen , Germany
| | - Florian Wagenlehner
- Department of Urology, Pediatric Urology and Andrology, Justus Liebig University Giessen , Giessen , Germany
| | - Anja Taubert
- Institute of Parasitology, Biomedical Research Center Seltersberg (BFS), Justus Liebig University Giessen , Giessen , Germany
| | - Ulrich Gaertner
- Institute of Anatomy and Cell Biology, Justus Liebig University Giessen , Giessen , Germany
| | - Rául Sánchez
- Laboratory of Reproductive Medicine and Molecular Endocrinology, Center for Translational Medicine (CEMT-BIOREN), Faculty of Medicine, Universidad de La Frontera , Temuco , Chile.,Department of Preclinical Science, Faculty of Medicine, Universidad de La Frontera , Temuco , Chile
| | - Carlos Hermosilla
- Institute of Parasitology, Biomedical Research Center Seltersberg (BFS), Justus Liebig University Giessen , Giessen , Germany
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27
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Homa ST, Vassiliou AM, Stone J, Killeen AP, Dawkins A, Xie J, Gould F, Ramsay JWA. A Comparison Between Two Assays for Measuring Seminal Oxidative Stress and their Relationship with Sperm DNA Fragmentation and Semen Parameters. Genes (Basel) 2019; 10:E236. [PMID: 30893955 PMCID: PMC6471935 DOI: 10.3390/genes10030236] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/08/2019] [Accepted: 03/11/2019] [Indexed: 01/07/2023] Open
Abstract
Oxidative stress (OS) is a significant cause of DNA fragmentation and is associated with poor embryo development and recurrent miscarriage. The aim of this study was to compare two different methods for assessing seminal OS and their ability to predict sperm DNA fragmentation and abnormal semen parameters. Semen samples were collected from 520 men attending for routine diagnostic testing following informed consent. Oxidative stress was assessed using either a chemiluminescence assay to measure reactive oxygen species (ROS) or an electrochemical assay to measure oxidation reduction potential (sORP). Sperm DNA fragmentation (DFI) and sperm with immature chromatin (HDS) were assessed using sperm chromatin structure assay (SCSA). Semen analysis was performed according to WHO 2010 guidelines. Reactive oxygen species sORP and DFI are negatively correlated with sperm motility (p = 0.0012, 0.0002, <0.0001 respectively) and vitality (p < 0.0001, 0.019, <0.0001 respectively). The correlation was stronger for sORP than ROS. Reactive oxygen species (p < 0.0001), sORP (p < 0.0001), DFI (p < 0.0089) and HDS (p < 0.0001) were significantly elevated in samples with abnormal semen parameters, compared to those with normal parameters. Samples with polymorphonuclear leukocytes (PMN) have excessive ROS levels compared to those without (p < 0.0001), but sORP and DFI in this group are not significantly increased. DNA fragmentation was significantly elevated in samples with OS measured by ROS (p = 0.0052) or sORP (p = 0.004). The results demonstrate the multi-dimensional nature of oxidative stress and that neither assay can be used alone in the diagnosis of OS, especially in cases of leukocytospermia.
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Affiliation(s)
- Sheryl T Homa
- Department of Biosciences, University of Kent, Canterbury CT2 7NJ, UK.
- Department of Andrology, The Doctors Laboratory, London W1G 9RT, UK.
| | - Anna M Vassiliou
- Department of Biosciences, University of Kent, Canterbury CT2 7NJ, UK.
- Department of Andrology, The Doctors Laboratory, London W1G 9RT, UK.
| | - Jesse Stone
- Department of Biosciences, University of Kent, Canterbury CT2 7NJ, UK.
| | - Aideen P Killeen
- Department of Andrology, The Doctors Laboratory, London W1G 9RT, UK.
| | - Andrew Dawkins
- Department of Andrology, The Doctors Laboratory, London W1G 9RT, UK.
| | - Jingyi Xie
- Department of Andrology, The Doctors Laboratory, London W1G 9RT, UK.
| | - Farley Gould
- Department of Andrology, The Doctors Laboratory, London W1G 9RT, UK.
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28
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Barrachina F, Jodar M, Delgado-Dueñas D, Soler-Ventura A, Estanyol JM, Mallofré C, Ballescà JL, Oliva R. Stable-protein Pair Analysis as A Novel Strategy to Identify Proteomic Signatures: Application To Seminal Plasma From Infertile Patients. Mol Cell Proteomics 2019; 18:S77-S90. [PMID: 30518674 PMCID: PMC6427235 DOI: 10.1074/mcp.ra118.001248] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Indexed: 12/12/2022] Open
Abstract
Our aim was to define seminal plasma proteome signatures of infertile patients categorized according to their seminal parameters using TMT-LC-MS/MS. To that extent, quantitative proteomic data was analyzed following two complementary strategies: (1) the conventional approach based on standard statistical analyses of relative protein quantification values; and (2) a novel strategy focused on establishing stable-protein pairs. By conventional analyses, the abundance of some seminal plasma proteins was found to be positively correlated with sperm concentration. However, this correlation was not found for all the peptides within a specific protein, bringing to light the high heterogeneity existing in the seminal plasma proteome because of both the proteolytic fragments and/or the post-translational modifications. This issue was overcome by conducting the novel stable-protein pairs analysis proposed herein. A total of 182 correlations comprising 24 different proteins were identified in the normozoospermic-control population, whereas this proportion was drastically reduced in infertile patients with altered seminal parameters (18 in patients with reduced sperm motility, 0 in patients with low sperm concentration and 3 in patients with no sperm in the ejaculate). These results suggest the existence of multiple etiologies causing the same alteration in seminal parameters. Additionally, the repetition of the stable-protein pair analysis in the control group by adding the data from a single patient at a time enabled to identify alterations in the stable-protein pairs profile of individual patients with altered seminal parameters. These results suggest potential underlying pathogenic mechanisms in individual infertile patients, and might open up a window to its application in the personalized diagnostic of male infertility.
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Affiliation(s)
- Ferran Barrachina
- From the ‡Molecular Biology of Reproduction and Development Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Fundació Clínic per a la Recerca Biomèdica, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain and Biochemistry and Molecular Genetics Service, Hospital Clínic, Barcelona, Spain
| | - Meritxell Jodar
- From the ‡Molecular Biology of Reproduction and Development Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Fundació Clínic per a la Recerca Biomèdica, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain and Biochemistry and Molecular Genetics Service, Hospital Clínic, Barcelona, Spain
| | - David Delgado-Dueñas
- From the ‡Molecular Biology of Reproduction and Development Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Fundació Clínic per a la Recerca Biomèdica, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain and Biochemistry and Molecular Genetics Service, Hospital Clínic, Barcelona, Spain
| | - Ada Soler-Ventura
- From the ‡Molecular Biology of Reproduction and Development Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Fundació Clínic per a la Recerca Biomèdica, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain and Biochemistry and Molecular Genetics Service, Hospital Clínic, Barcelona, Spain
| | - Josep Maria Estanyol
- Proteomics Unit, Scientific Technical Services, University of Barcelona, Barcelona, Spain
| | - Carme Mallofré
- Department of Pathology, University of Barcelona, Hospital Clínic, Barcelona, Spain
| | - Josep Lluís Ballescà
- Clinic Institute of Gynaecology, Obstetrics and Neonatology, Hospital Clínic, Barcelona, Spain
| | - Rafael Oliva
- From the ‡Molecular Biology of Reproduction and Development Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Fundació Clínic per a la Recerca Biomèdica, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain and Biochemistry and Molecular Genetics Service, Hospital Clínic, Barcelona, Spain;.
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29
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Haidl G, Haidl F, Allam JP, Schuppe HC. Therapeutic options in male genital tract inflammation. Andrologia 2018; 51:e13207. [DOI: 10.1111/and.13207] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 09/25/2018] [Accepted: 10/15/2018] [Indexed: 12/21/2022] Open
Affiliation(s)
- Gerhard Haidl
- Andrology Unit, Department of Dermatology and Allergy; University Hospital Bonn; Bonn Germany
| | - Friederike Haidl
- Department of Urology; University Hospital Cologne; Cologne Germany
| | - Jean-Pierre Allam
- Andrology Unit, Department of Dermatology and Allergy; University Hospital Bonn; Bonn Germany
| | - Hans-Christian Schuppe
- Department of Urology, Pediatric Urology and Andrology; Justus Liebig University; Giessen Germany
- Hessian Centre of Reproductive Medicine; Justus Liebig University; Giessen Germany
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30
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Schuppe HC, Pilatz A, Hossain H, Diemer T, Wagenlehner F, Weidner W. Urogenital Infection as a Risk Factor for Male Infertility. DEUTSCHES ARZTEBLATT INTERNATIONAL 2017; 114:339-346. [PMID: 28597829 PMCID: PMC5470348 DOI: 10.3238/arztebl.2017.0339] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 07/13/2015] [Accepted: 03/13/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Infections of the genital tract are considered common causes of male fertility disorders, with a prevalence of 6-10%. Most of the affected men are asymptomatic. The diagnostic evaluation is based mainly on laboratory testing. Inconsistent diagnostic criteria have been applied to date, and this may explain the controversial debate about the role of infection and inflammation in the genital tract as a cause of infertility. The risk of an irreversible fertility disorder should not be underestimated. METHODS This review is based on pertinent publications retrieved by a selective literature search in PubMed, including guidelines from Germany and abroad and systematic review articles. RESULTS The main causes of inflammatory disease of the male genital tract are ascending sexually transmitted infections (STIs) and uropathogens. Chronic prostatitis has no more than a limited influence on ejaculate variables. By contrast, approximately 10% of men who have had acute epididymitis develop persistent azoospermia thereafter, and 30% have oligozoospermia. Obstruction of the excurrent ducts can ensue, as can post-infectious disturbances of spermatogenesis. The differential diagnostic evaluation includes the determination of testicular volumes, hormone concentrations, and ejaculate variables. Epidemiological data are lacking with regard to infertility after primary orchitis of infectious origin; however, up to 25% of testicular biopsies obtained from infertile men reveal focal inflammatory reactions. Multiple studies have suggested a deleterious effect of leukocytes and inflammatory mediators on sperm para - meters. On the other hand, the clinical significance of bacteriospermia remains unclear. CONCLUSION Any suspicion of an infectious or inflammatory disease in the male genital tract should prompt a systematic diagnostic evaluation and appropriate treatment. For patients with obstructive azoospermia, the etiology and site of the obstruction determine the surgical approach to be taken. In the near future, the elucidation of underlying pathophysiological mechanisms and the identification of suitable biomarkers may enable new strategies for conservative treatment.
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Affiliation(s)
- Hans-Christian Schuppe
- Department of Urology, Pediatric Urology and Andrology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
| | - Adrian Pilatz
- Department of Urology, Pediatric Urology and Andrology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
| | - Hamid Hossain
- Institute of Medical Microbiology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
| | - Thorsten Diemer
- Department of Urology, Pediatric Urology and Andrology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
| | - Florian Wagenlehner
- Department of Urology, Pediatric Urology and Andrology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
| | - Wolfgang Weidner
- Department of Urology, Pediatric Urology and Andrology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
- Institute of Medical Microbiology, Universitätsklinikum Gießen und Marburg GmbH – Site Gießen, Justus-Liebig University, Gießen, Germany
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31
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Pullar JM, Carr AC, Bozonet SM, Rosengrave P, Kettle AJ, Vissers MCM. Elevated seminal plasma myeloperoxidase is associated with a decreased sperm concentration in young men. Andrology 2017; 5:431-438. [DOI: 10.1111/andr.12327] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 11/20/2016] [Accepted: 12/20/2016] [Indexed: 12/11/2022]
Affiliation(s)
- J. M. Pullar
- Centre for Free Radical Research; Department of Pathology; University of Otago, Christchurch; Christchurch New Zealand
| | - A. C. Carr
- Centre for Free Radical Research; Department of Pathology; University of Otago, Christchurch; Christchurch New Zealand
| | - S. M. Bozonet
- Centre for Free Radical Research; Department of Pathology; University of Otago, Christchurch; Christchurch New Zealand
| | - P. Rosengrave
- Allan Wilson Centre for Molecular Ecology and Evolution; Department of Anatomy; University of Otago; Dunedin New Zealand
| | - A. J. Kettle
- Centre for Free Radical Research; Department of Pathology; University of Otago, Christchurch; Christchurch New Zealand
| | - M. C. M. Vissers
- Centre for Free Radical Research; Department of Pathology; University of Otago, Christchurch; Christchurch New Zealand
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32
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Aitken RJ. Oxidative stress and the etiology of male infertility. J Assist Reprod Genet 2016; 33:1691-1692. [PMID: 27544275 DOI: 10.1007/s10815-016-0791-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 08/08/2016] [Indexed: 10/21/2022] Open
Affiliation(s)
- R J Aitken
- Discipline of Biological Sciences and Priority Research Centre for Reproductive Science, Faculty of Science and IT, University of Newcastle, University Drive, Callaghan, NSW, 2308, Australia. .,Hunter Medical Research Institute, New Lambton Heights, NSW, 2305, Australia.
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33
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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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Schagdarsurengin U, Western P, Steger K, Meinhardt A. Developmental origins of male subfertility: role of infection, inflammation, and environmental factors. Semin Immunopathol 2016; 38:765-781. [PMID: 27315198 DOI: 10.1007/s00281-016-0576-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Accepted: 06/06/2016] [Indexed: 12/28/2022]
Abstract
Male gamete development begins with the specification of primordial cells in the epiblast of the early embryo and is not complete until spermatozoa mature in the epididymis of adult males. This protracted developmental process involves extensive alteration of the paternal germline epigenome. Initially, epigenetic reprogramming in fetal germ cells results in removal of most DNA methylation, including parent-specific epigenetic information. The germ cells then establish sex-specific epigenetic information through de novo methylation and undergo spermatogenesis. Chromatin in haploid germ cells is repackaged into protamines during spermiogenesis, providing further widespread epigenetic reorganization. Finally, after fertilization, epigenetic reprogramming in the preimplantation embryo is necessary for regaining totipotency. These events provide substantial windows during which epigenetic errors either may be corrected or may occur in the germline. There is now increasing evidence that environmental factors such as exposure to toxicants, the parents' and individual's diet, and even infectious and inflammatory events in the male reproductive tract may influence epigenetic reprogramming. This, together with other damage inflicted on the germline chromatin, may result in negative consequences for fertility and health. Large epidemiological birth cohort studies have yielded insight into possible causative environmental factors. Together with experimental animal studies, a clearer view of environmental impacts on fetal development and their intergenerational and even transgenerational effects on reproductive health has emerged and is reviewed in this article.
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Affiliation(s)
- Undraga Schagdarsurengin
- Department of Urology, Pediatric Urology and Andrology, Section Molecular Andrology, Justus-Liebig University of Giessen, Giessen, Germany
| | - Patrick Western
- Centre for Genetic Diseases, Hudson Institute for Medical Research and Department of Molecular and Translational Science, Monash University, Clayton, VIC, 3168, Australia
| | - Klaus Steger
- Department of Urology, Pediatric Urology and Andrology, Section Molecular Andrology, Justus-Liebig University of Giessen, Giessen, Germany
| | - Andreas Meinhardt
- Institute of Anatomy and Cell Biology, Unit of Reproductive Biology, Justus-Liebig University of Giessen, Aulweg 123, 35385, Giessen, Germany.
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Ni K, Spiess AN, Schuppe HC, Steger K. The impact of sperm protamine deficiency and sperm DNA damage on human male fertility: a systematic review and meta-analysis. Andrology 2016; 4:789-99. [DOI: 10.1111/andr.12216] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 04/11/2016] [Accepted: 04/11/2016] [Indexed: 12/19/2022]
Affiliation(s)
- K. Ni
- Klinik und Poliklinik für Urologie, Kinderurologie und Andrologie; Justus-Liebig-Universität; Giessen Germany
| | - A.-N. Spiess
- Department of Andrology; University Hospital Hamburg-Eppendorf; Hamburg Germany
| | - H.-C. Schuppe
- Klinik und Poliklinik für Urologie, Kinderurologie und Andrologie; Justus-Liebig-Universität; Giessen Germany
| | - K. Steger
- Klinik und Poliklinik für Urologie, Kinderurologie und Andrologie; Justus-Liebig-Universität; Giessen Germany
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Aitken RJ, Baker MA, Nixon B. Are sperm capacitation and apoptosis the opposite ends of a continuum driven by oxidative stress? Asian J Androl 2016; 17:633-9. [PMID: 25999358 PMCID: PMC4492056 DOI: 10.4103/1008-682x.153850] [Citation(s) in RCA: 116] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
This chapter explores the possibility that capacitation and apoptosis are linked processes joined by their common dependence on the continued generation of reactive oxygen species (ROS). According to this model capacitation is initiated in spematozoa following their release into the female reproductive tract as a consequence of intracellular ROS generation, which stimulates intracellular cAMP generation, inhibits tyrosine phosphatase activity and enhances the formation of oxysterols prior to their removal from the sperm surface by albumin. The continued generation of ROS by capacitating populations of spermatozoa eventually overwhelms the limited capacity of these cells to protect themselves from oxidative stress. As a result the over-capacitation of spermatozoa leads to a state of senescence and the activation of a truncated intrinsic apoptotic cascade characterized by enhanced mitochondrial ROS generation, lipid peroxidation, motility loss, caspase activation and phosphatidylserine externalization. The latter may be particularly important in instructing phagocytic leukocytes that the removal of senescent, moribund spermatozoa should be a silent process unaccompanied by the generation of proinflammatory cytokines. These observations reveal the central role played by redox chemistry in defining the life and death of spermatozoa. A knowledge of these mechanisms may help us to engineer novel solutions to both support and preserve the functionality of these highly specialized cells.
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Affiliation(s)
- Robert J Aitken
- Priority Research Centre in Reproductive Science, Discipline of Biological Sciences and Hunter Medical Research Institute, University of Newcastle, NSW 2308, Australia
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Barranco I, Tvarijonaviciute A, Perez-Patiño C, Parrilla I, Ceron JJ, Martinez EA, Rodriguez-Martinez H, Roca J. High total antioxidant capacity of the porcine seminal plasma (SP-TAC) relates to sperm survival and fertility. Sci Rep 2015; 5:18538. [PMID: 26688188 PMCID: PMC4685244 DOI: 10.1038/srep18538] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Accepted: 11/20/2015] [Indexed: 02/05/2023] Open
Abstract
The study attempted to clarify the role of total antioxidant capacity of seminal plasma (SP-TAC) on boar sperm survival and fertility after artificial insemination (AI). SP-TAC differed (P < 0.001) among boars (n° = 15) and, to a lesser degree, among ejaculates within male (4 ejaculates/boar). SP-TAC also differed (P < 0.001) among ejaculate fractions (43 ejaculates and 3 fractions per ejaculate), of which the sperm-peak portion of the sperm rich ejaculate fraction (SRF) had the highest SP-TAC. SP-TAC was not correlated with sperm quality (motility and viability) or functionality (intracellular ROS generation and lipid peroxidation) of liquid AI-semen samples stored at 17 °C for 72 h (90 AI-samples), but the decline in sperm quality was larger (P < 0.05) in ejaculates with low, compared with high SP-TAC (hierarchically grouped). The SP-TAC differences among ejaculate portions agree with sperm cryosurvival rates (14 ejaculates from 7 boars), showing sperm from sperm-peak portion better (P < 0.01) post-thaw quality and functionality than those from the entire ejaculate (mainly post-SRF). Boars (n° = 18) with high SP-TAC (hierarchically grouped) had higher (P < 0.05) fertility outcomes (5,546 AI-sows) than those with low SP-TAC. Measurement of SP-TAC ought to be a discriminative tool to prognosis fertility in breeding boars.
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Affiliation(s)
- Isabel Barranco
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
| | - Asta Tvarijonaviciute
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
| | - Cristina Perez-Patiño
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
| | - Inmaculada Parrilla
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
| | - Jose J Ceron
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
| | - Emilio A Martinez
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
| | | | - Jordi Roca
- Department of Medicine and Animal Surgery, Faculty of Veterinary Science, University of Murcia, Spain
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Balao da Silva CM, Ortega-Ferrusola C, Morrell JM, Rodriguez Martínez H, Peña FJ. Flow Cytometric Chromosomal Sex Sorting of Stallion Spermatozoa Induces Oxidative Stress on Mitochondria and Genomic DNA. Reprod Domest Anim 2015; 51:18-25. [DOI: 10.1111/rda.12640] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 10/11/2015] [Indexed: 01/29/2023]
Affiliation(s)
- CM Balao da Silva
- Laboratory of Equine Reproduction and Equine Spermatology; Veterinary Teaching Hospital; Caceres Spain
| | - C Ortega-Ferrusola
- Laboratory of Equine Reproduction and Equine Spermatology; Veterinary Teaching Hospital; Caceres Spain
| | - JM Morrell
- Division of Reproduction; Faculty of Veterinary Medicine and Animal Sciences; Swedish University of Agricultural Sciences; Uppsala Sweden
| | - H Rodriguez Martínez
- Department of Clinical and Experimental Medicine; Faculty of Health Sciences; Linköping University; Linköping Sweden
| | - FJ Peña
- Laboratory of Equine Reproduction and Equine Spermatology; Veterinary Teaching Hospital; Caceres Spain
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Gomes M, Freitas MJ, Fardilha M. Physical Activity, Exercise, and Mammalian Testis Function: Emerging Preclinical Protein Biomarker and Integrative Biology Insights. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2015; 19:499-511. [DOI: 10.1089/omi.2015.0065] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mariana Gomes
- Signal Transduction Laboratory, Institute for Research in Biomedicine—iBiMED, Health Sciences Program, University of Aveiro, Aveiro, Portugal
| | - Maria João Freitas
- Signal Transduction Laboratory, Institute for Research in Biomedicine—iBiMED, Health Sciences Program, University of Aveiro, Aveiro, Portugal
| | - Margarida Fardilha
- Signal Transduction Laboratory, Institute for Research in Biomedicine—iBiMED, Health Sciences Program, University of Aveiro, Aveiro, Portugal
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Lee G. Reply by the Authors. Urology 2015; 85:1523. [DOI: 10.1016/j.urology.2015.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2015] [Revised: 03/27/2015] [Accepted: 03/28/2015] [Indexed: 10/23/2022]
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Muratori M, Tamburrino L, Marchiani S, Cambi M, Olivito B, Azzari C, Forti G, Baldi E. Investigation on the Origin of Sperm DNA Fragmentation: Role of Apoptosis, Immaturity and Oxidative Stress. Mol Med 2015; 21:109-22. [PMID: 25786204 PMCID: PMC4461587 DOI: 10.2119/molmed.2014.00158] [Citation(s) in RCA: 159] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 01/30/2015] [Indexed: 01/16/2023] Open
Abstract
Sperm DNA fragmentation (sDF) represents a threat to male fertility, human reproduction and the health of the offspring. The causes of sDF are still unclear, even if apoptosis, oxidative assault and defects in chromatin maturation are hypothesized. Using multicolor flow cytometry and sperm sorting, we challenged the three hypothesized mechanisms by simultaneously evaluating sDF and signs of oxidative damage (8-hydroxy, 2'-deoxyguanosine [8-OHdG] and malondialdehyde [MDA]), apoptosis (caspase activity and cleaved poly[ADP-ribose] polymerase [cPARP]) and sperm immaturity (creatine phosphokinase [CK] and excess of residual histones). Active caspases and c-PARP were concomitant with sDF in a high percentage of spermatozoa (82.6% ± 9.1% and 53.5% ± 16.4%, respectively). Excess of residual histones was significantly higher in DNA-fragmented sperm versus sperm without DNA fragmentation (74.8% ± 17.5% and 37.3% ± 16.6%, respectively, p < 0.005), and largely concomitant with active caspases. Conversely, oxidative damage was scarcely concomitant with sDF in the total sperm population, at variance with live sperm, where 8-OHdG and MDA were clearly associated to sDF. In addition, most live cells with active caspase also showed 8-OHdG, suggesting activation of apoptotic pathways in oxidative-injured live cells. This is the first investigation on the origin of sDF directly evaluating the simultaneous presence of the signs of the hypothesized mechanisms with DNA breaks at the single cell level. The results indicate that the main pathway leading to sperm DNA breaks is a process of apoptosis, likely triggered by an impairment of chromatin maturation in the testis and by oxidative stress during the transit in the male genital tract. These findings are highly relevant for clinical studies on the effects of drugs on sDF and oxidative stress in infertile men and for the development of new therapeutic strategies.
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Affiliation(s)
- Monica Muratori
- Sexual Medicine and Andrology Unit, Department of Experimental and Biomedical Sciences, Center of Excellence DeNothe, University of Florence, Italy
| | - Lara Tamburrino
- Sexual Medicine and Andrology Unit, Department of Experimental and Biomedical Sciences, Center of Excellence DeNothe, University of Florence, Italy
| | - Sara Marchiani
- Sexual Medicine and Andrology Unit, Department of Experimental and Biomedical Sciences, Center of Excellence DeNothe, University of Florence, Italy
| | - Marta Cambi
- Sexual Medicine and Andrology Unit, Department of Experimental and Biomedical Sciences, Center of Excellence DeNothe, University of Florence, Italy
| | - Biagio Olivito
- Pediatric Section, Department of Health Sciences, University of Florence and Anna Meyer Children’s University Hospital, Florence, Italy
| | - Chiara Azzari
- Pediatric Section, Department of Health Sciences, University of Florence and Anna Meyer Children’s University Hospital, Florence, Italy
| | - Gianni Forti
- Sexual Medicine and Andrology Unit, Department of Experimental and Biomedical Sciences, Center of Excellence DeNothe, University of Florence, Italy
| | - Elisabetta Baldi
- Sexual Medicine and Andrology Unit, Department of Experimental and Biomedical Sciences, Center of Excellence DeNothe, University of Florence, Italy
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Savage P. Clinical observations on chemotherapy curable malignancies: unique genetic events, frozen development and enduring apoptotic potential. BMC Cancer 2015; 15:11. [PMID: 25605631 PMCID: PMC4308945 DOI: 10.1186/s12885-015-1006-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 12/31/2014] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND A select number of relatively rare metastatic malignancies comprising trophoblast tumours, the rare childhood cancers, germ cells tumours, leukemias and lymphomas have been routinely curable with chemotherapy for more than 30 years. However for the more common metastatic malignancies chemotherapy treatment frequently brings clinical benefits but cure is not expected. Clinically this clear divide in outcome between the tumour types can appear at odds with the classical theories of chemotherapy sensitivity and resistance that include rates of proliferation, genetic development of drug resistance and drug efflux pumps. We have looked at the clinical characteristics of the chemotherapy curable malignancies to see if they have any common factors that could explain this extreme differential sensitivity to chemotherapy. DISCUSSION It has previously been noted how the onset of malignancy can leave malignant cells fixed with some key cellular functions remaining frozen at the point in development at which malignant transformation occurred. In the chemotherapy curable malignancies the onset of malignancy is in each case closely linked to one of the unique genetic events of; nuclear fusion for molar pregnancies, choriocarcinoma and placental site trophoblast tumours, gastrulation for the childhood cancers, meiosis for testicular cancer and ovarian germ cell tumours and VDJ rearrangement and somatic hypermutation for acute leukemia and lymphoma. These processes are all linked to natural periods of supra-physiological apoptotic potential and it appears that the malignant cells arising from them usually retain this heightened sensitivity to DNA damage. To investigate this hypothesis we have examined the natural history of the healthy cells during these processes and the chemotherapy sensitivity of malignancies arising before, during and after the events. To add to the debate on chemotherapy resistance and sensitivity, we would argue that malignancies can be functionally divided into 2 groups. Firstly those that arise in cells with naturally heightened apoptotic potential as a result of their proximity to the unique genetic events, where the malignancies are generally chemotherapy curable and then the more common malignancies that arise in cells of standard apoptotic potential that are not curable with classical cytotoxic drugs.
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Affiliation(s)
- Philip Savage
- BCCA Vancouver Island, 2410 Lee Avenue, Victoria, BC, V8R 6V5, Canada.
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Iommiello VM, Albani E, Di Rosa A, Marras A, Menduni F, Morreale G, Levi SL, Pisano B, Levi-Setti PE. Ejaculate oxidative stress is related with sperm DNA fragmentation and round cells. Int J Endocrinol 2015; 2015:321901. [PMID: 25802519 PMCID: PMC4352927 DOI: 10.1155/2015/321901] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 01/13/2015] [Accepted: 01/15/2015] [Indexed: 11/17/2022] Open
Abstract
Oxidative stress (OS) plays an essential role in male infertility aetiology by affecting sperm quality, function, and also the integrity of sperm DNA. The assessment of oxidative stress in semen may be an important tool to improve the evaluation of sperm reproductive capacity. The purpose of this study was the evaluation of any possible relation between the unbalance of oxidative stress caused by superoxide anion in the ejaculate with the presence of sperm DNA fragmentation and high concentration of round cells. 56 semen samples from males from couples suffering from infertility were evaluated according to World Health Organisation (WHO) 2010 guidelines. Oxidative stress levels from N1 (low) to N4 (high) were assessed in ejaculates using oxiSperm; DFI (sperm DNA fragmentation index) as assessed by the SCSA (Sperm Chromatin Structure Assay) was used for evaluation of sperm chromatin integrity. Our data show that high oxidative stress (N3-N4 levels) correlated positively with a DFI ≥ 30% (P = 0.0379) and round cells ≥1.500.000/mL (P = 0.0084). In conclusion, OS increases sperm DNA damage. Thus evaluation of semen OS extent of sperm DNA damage in infertile man could be useful to develop new therapeutic strategies and improve success of assisted reproduction techniques (ART).
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Affiliation(s)
- Valeria Maria Iommiello
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
- *Valeria Maria Iommiello:
| | - Elena Albani
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Alessandra Di Rosa
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Alessandra Marras
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Francesca Menduni
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Giovanna Morreale
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Shanti Lia Levi
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Benedetta Pisano
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
| | - Paolo Emanuele Levi-Setti
- Humanitas Fertility Center, Department of Gynaecology, Division of Gynecology and Reproductive Medicine, Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy
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Gavriliouk D, Aitken RJ. Damage to Sperm DNA Mediated by Reactive Oxygen Species: Its Impact on Human Reproduction and the Health Trajectory of Offspring. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 868:23-47. [DOI: 10.1007/978-3-319-18881-2_2] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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46
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Fraczek M, Wiland E, Piasecka M, Boksa M, Gaczarzewicz D, Szumala-Kakol A, Kolanowski T, Beutin L, Kurpisz M. Fertilizing potential of ejaculated human spermatozoa during in vitro semen bacterial infection. Fertil Steril 2014; 102:711-719.e1. [DOI: 10.1016/j.fertnstert.2014.06.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 06/03/2014] [Accepted: 06/03/2014] [Indexed: 10/25/2022]
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47
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Piasecka M, Fraczek M, Gaczarzewicz D, Gill K, Szumala-Kakol A, Kazienko A, Laszczynska M, Lenart S, Beutin L, Kurpisz M. Novel Morphological Findings of Human Sperm Removal by Leukocytes inIn VivoandIn VitroConditions: Preliminary Study. Am J Reprod Immunol 2014; 72:348-58. [DOI: 10.1111/aji.12284] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 05/31/2014] [Indexed: 12/25/2022] Open
Affiliation(s)
- Malgorzata Piasecka
- Department of Histology and Developmental Biology; Pomeranian Medical University; Szczecin Poland
| | - Monika Fraczek
- Department of Reproductive Biology and Stem Cells; Institute of Human Genetics; Polish Academy of Sciences; Poznan Poland
| | - Dariusz Gaczarzewicz
- Department of Animal Reproduction, Biotechnology and Environmental Hygiene; West Pomeranian University of Technology; Szczecin Poland
| | - Kamil Gill
- Department of Histology and Developmental Biology; Pomeranian Medical University; Szczecin Poland
| | | | - Anna Kazienko
- Department of Histology and Developmental Biology; Pomeranian Medical University; Szczecin Poland
| | - Maria Laszczynska
- Department of Histology and Developmental Biology; Pomeranian Medical University; Szczecin Poland
| | - Stanislaw Lenart
- Institute of Materials Engineering; West Pomeranian University of Technology; Szczecin Poland
| | - Lothar Beutin
- Department of Biological Safety; Federal Institute for Risk Assessment (BfR); Berlin Germany
| | - Maciej Kurpisz
- Department of Reproductive Biology and Stem Cells; Institute of Human Genetics; Polish Academy of Sciences; Poznan Poland
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Aitken RJ, Lambourne S, Gibb Z. The John Hughes Memorial Lecture: Aspects of Sperm Physiology—Oxidative Stress and the Functionality of Stallion Spermatozoa. J Equine Vet Sci 2014. [DOI: 10.1016/j.jevs.2013.10.120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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