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Guerra-Carvalho B, Carrageta DF, Maurício T, Pereira SC, Barros A, Carvalho RA, Alves MG, Domingues P, Oliveira PF. Metabolomics analysis of human spermatozoa reveals impaired metabolic pathways in asthenozoospermia. Eur J Clin Invest 2024:e14289. [PMID: 39046266 DOI: 10.1111/eci.14289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 07/13/2024] [Indexed: 07/25/2024]
Abstract
BACKGROUND Infertility is a major health issue, affecting 15% of reproductive-age couples with male factors contributing to 50% of cases. Asthenozoospermia (AS), or low sperm motility, is a common cause of male infertility with complex aetiology, involving genetic and metabolic alterations, inflammation and oxidative stress. However, the molecular mechanisms behind low motility are unclear. In this study, we used a metabolomics approach to identify metabolic biomarkers and pathways involved in sperm motility. METHODS We compared the metabolome and lipidome of spermatozoa of men with normozoospermia (n = 44) and AS (n = 22) using untargeted LC-MS and the metabolome of seminal fluid using 1H-NMR. Additionally, we evaluated the seminal fluid redox status to assess the oxidative stress in the ejaculate. RESULTS We identified 112 metabolites and 209 lipids in spermatozoa and 27 metabolites in the seminal fluid of normozoospermic and asthenozoospermic men. PCA analysis of the spermatozoa's metabolomics and lipidomics data showed a clear separation between groups. Spermatozoa of asthenozoospermic men presented lower levels of several amino acids, and increased levels of energetic substrates and lysophospholipids. However, the metabolome and redox status of the seminal fluid was not altered inAS. CONCLUSIONS Our results indicate impaired metabolic pathways associated with redox homeostasis and amino acid, energy and lipid metabolism in AS. Taken together, these findings suggest that the metabolome and lipidome of human spermatozoa are key factors influencing their motility and that oxidative stress exposure during spermatogenesis or sperm maturation may be in the aetiology of decreased motility in AS.
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Affiliation(s)
- Bárbara Guerra-Carvalho
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
- ICBAS-School of Medicine and Biomedical Sciences, University of Porto, Porto, Portugal
| | - David F Carrageta
- Clinical and Experimental Endocrinology, UMIB-Unit for Multidisciplinary Research in Biomedicine, ICBAS - School of Medicine and Biomedical Sciences, University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), University of Porto, Porto, Portugal
- Institute of Biomedicine and (iBiMED), Department of Medical Sciences, University of Aveiro, Campus de Santiago Agra do Crasto, Aveiro, Portugal
| | - Tatiana Maurício
- Institute of Biomedicine and (iBiMED), Department of Medical Sciences, University of Aveiro, Campus de Santiago Agra do Crasto, Aveiro, Portugal
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Sara C Pereira
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
- ICBAS-School of Medicine and Biomedical Sciences, University of Porto, Porto, Portugal
| | - Alberto Barros
- Department of Pathology, Faculty of Medicine, University of Porto, Porto, Portugal
- Centre for Reproductive Genetics Professor Alberto Barros, Porto, Portugal
- i3S-Instituto de Investigação e Inovação em Saúde, University of Porto, Porto, Portugal
| | - Rui A Carvalho
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal
- REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Marco G Alves
- Institute of Biomedicine and (iBiMED), Department of Medical Sciences, University of Aveiro, Campus de Santiago Agra do Crasto, Aveiro, Portugal
| | - Pedro Domingues
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Pedro F Oliveira
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
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Shen Y, Fan J, Liu S, Tao L, Yang Q, Shen X. Exploring pathogenesis and biomarkers through establishment of a rat model of male infertility with liver depression and kidney deficiency. PLoS One 2024; 19:e0303189. [PMID: 38768165 PMCID: PMC11104592 DOI: 10.1371/journal.pone.0303189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 04/19/2024] [Indexed: 05/22/2024] Open
Abstract
OBJECTIVES To establish a rat model that accurately replicates the clinical characteristics of male infertility (MI) with Liver Depression and Kidney Deficiency (LD & KD) and investigate the pathogenesis. METHODS After subjecting the rats to chronic restraint stress (CRS) and adenine treatment, a series of tests were conducted, including ethological assessments, evaluations of reproductive characteristics, measurements of biochemical parameters, histopathological examinations, and analyses of urinary metabolites. Additionally, bioinformatics predictions were performed for comprehensive analysis. RESULTS Compared to the control, the model exhibited significant manifestations of MI with LD & KD, including reduced responsiveness, diminished frequency of capturing estrous female rats, and absence of mounting behavior. Additionally, the kidney coefficient increased markedly, while the coefficients of the testis and epididymis decreased significantly. Sperm counts and viabilities decreased notably, accompanied by an increase in sperm abnormalities. Dysregulation of reproductive hormone levels in the serum was observed, accompanied by an upregulation of proinflammatory cytokines expressions in the liver and kidney, as well as exacerbated oxidative stress in the penile corpus cavernosum and testis. The seminiferous tubules in the testis exhibited a loose arrangement, loss of germ cells, and infiltration of inflammatory cells. Furthermore, utilizing urinary metabolomics and bioinformatics analysis, 5 key biomarkers and 2 crucial targets most closely linked to MI were revealed. CONCLUSION The study successfully established a clinically relevant animal model of MI with LD & KD. It elucidates the pathogenesis of the condition, identifies key biomarkers and targets, and provides a robust scientific foundation for the prediction, diagnosis, and treatment of MI with LD & KD.
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Affiliation(s)
- Ying Shen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The National Engineering Research Center of Miao’s Medicines, Guizhou Yibai Pharmaceutical Co., Ltd., Yunyan District, Guiyang, Guizhou, China
| | - Jian Fan
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
| | - Shaobo Liu
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
| | - Ling Tao
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
| | - Qingbo Yang
- The National Engineering Research Center of Miao’s Medicines, Guizhou Yibai Pharmaceutical Co., Ltd., Yunyan District, Guiyang, Guizhou, China
| | - Xiangchun Shen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
- The Key Laboratory of Optimal Utilization of Natural Medicine Resources, School of Pharmaceutical Sciences, Guizhou Medical University, Guian New District, Guiyang, Guizhou, China
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Taoto C, Tangsrisakda N, Thukhammee W, Phetcharaburanin J, Iamsaard S, Tanphaichitr N. Rats Orally Administered with Ethyl Alcohol for a Prolonged Time Show Histopathology of the Epididymis and Seminal Vesicle Together with Changes in the Luminal Metabolite Composition. Biomedicines 2024; 12:1010. [PMID: 38790972 PMCID: PMC11117629 DOI: 10.3390/biomedicines12051010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/20/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
Prolonged ethanol (EtOH) consumption is associated with male infertility, with a decreased spermatogenesis rate as one cause. The defective maturation and development of sperm during their storage in the cauda epididymis and transit in the seminal vesicle can be another cause, possibly occurring before the drastic spermatogenesis disruption. Herein, we demonstrated that the cauda epididymis and seminal vesicle of rats, orally administered with EtOH under a regimen in which spermatogenesis was still ongoing, showed histological damage, including lesions, a decreased height of the epithelial cells and increased collagen fibers in the muscle layer, which implicated fibrosis. Lipid peroxidation (shown by malondialdehyde (MDA) levels) was observed, indicating that reactive oxygen species (ROS) were produced along with acetaldehyde during EtOH metabolism by CYP2E1. MDA, acetaldehyde and other lipid peroxidation products could further damage cellular components of the cauda epididymis and seminal vesicle, and this was supported by increased apoptosis (shown by a TUNEL assay and caspase 9/caspase 3 expression) in these two tissues of EtOH-treated rats. Consequently, the functionality of the cauda epididymis and seminal vesicle in EtOH-treated rats was impaired, as demonstrated by a decreases in 1H NMR-analyzed metabolites (e.g., carnitine, fructose), which were important for sperm development, metabolism and survival in their lumen.
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Affiliation(s)
- Chayakorn Taoto
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (C.T.); (N.T.)
| | - Nareelak Tangsrisakda
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (C.T.); (N.T.)
| | - Wipawee Thukhammee
- Research Institute for Human High Performance and Health Promotion, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Jutarop Phetcharaburanin
- Department of Systems Biosciences and Computational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand;
- Khon Kaen University Phenome Centre, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sitthichai Iamsaard
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (C.T.); (N.T.)
- Research Institute for Human High Performance and Health Promotion, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Nongnuj Tanphaichitr
- Chronic Disease Program, Ottawa Hospital Research Institute, Ottawa, ON K1Y 4E9, Canada
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Ottawa, Ottawa, ON K1Y 8L6, Canada
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Yang W, Hua R, Cao Y, He X. A metabolomic perspective on the mechanisms by which environmental pollutants and lifestyle lead to male infertility. Andrology 2024; 12:719-739. [PMID: 37815095 DOI: 10.1111/andr.13530] [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: 05/10/2023] [Revised: 08/17/2023] [Accepted: 09/03/2023] [Indexed: 10/11/2023]
Abstract
The incidence of male infertility (MI) is rising annually. According to epidemiological studies, environmental pollution (e.g., organic, inorganic, and air pollutants), occupational exposure (e.g., high temperature, organic solvents, and pesticides), and poor lifestyle (e.g., diet, sleep, smoking, alcohol consumption, and exercise) are important non-genetic causative factors of MI. Due to multiple and complex causative factors, the dose-effect relationship, and the uncertainty of pathogenicity, the pathogenesis of MI is far from fully clarified. Recent data show that the pathogenesis of MI can be monitored by the metabolites in serum, seminal plasma, urine, testicular tissue, sperm, and other biological samples. It is considered that these metabolites are closely related to MI phenotypes and can directly reflect the individual pathological and physiological conditions. Therefore, qualitative and quantitative analysis of the metabolome, the related metabolic pathways, and the identification of biomarkers will help to explore the MI-related metabolic problems and provide valuable insights into its pathogenic mechanisms. Here, we summarized new findings in MI metabolomics biomarkers research and their abnormal metabolic pathways triggered by the presented non-genetic risk factors, providing a metabolic landscape of semen and seminal plasma in general MI patients. Then, we compared the similarities and differences in semen and seminal plasma biomarkers between MI patients exposed to environmental and poor lifestyle factors and MI patients in general, and summarized some common biomarkers. We provide a better understanding of the biological underpinnings of MI pathogenesis, which might offer novel diagnostic, prognostic, and precise treatment approaches to MI.
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Affiliation(s)
- Wen Yang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, China
| | - Rong Hua
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, China
| | - Yunxia Cao
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, China
| | - Xiaojin He
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Medical University, Hefei, China
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Serrano R, Martin-Hidalgo D, Bilbao J, Bernardo-Seisdedos G, Millet O, Garcia-Marin LJ, Bragado MJ. Quantitative Analysis of the Human Semen Phosphorometabolome by 31P-NMR. Int J Mol Sci 2024; 25:1682. [PMID: 38338962 PMCID: PMC10855173 DOI: 10.3390/ijms25031682] [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: 12/26/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
Phosphorus-containing metabolites occupy a prominent position in cell pathways. The phosphorometabolomic approach in human sperm samples will deliver valuable information as new male fertility biomarkers could emerge. This study analyzed, by 31P-NMR, seminal plasma and whole semen from asthenozoospermic and normozoospermic samples (71% vs. 27% and 45% vs. 17%, total and progressive sperm motility, respectively), and also ejaculates from healthy donors. At least 16 phosphorus-containing metabolites involved in central energy metabolism and phospholipid, nucleotide, and nicotinamide metabolic pathways were assigned and different abundances between the samples with distinct sperm quality was detected. Specifically, higher levels of phosphocholine, glucose-1-phosphate, and to a lesser degree, acetyl phosphate were found in the asthenozoospermic seminal plasma. Notably, the phosphorometabolites implicated in lipid metabolism were highlighted in the seminal plasma, while those associated with carbohydrate metabolism were more abundant in the spermatozoa. Higher levels of phosphocholine, glucose-1-phosphate, and acetyl phosphate in the seminal plasma with poor quality suggest their crucial role in supporting sperm motility through energy metabolic pathways. In the seminal plasma, phosphorometabolites related to lipid metabolism were prominent; however, spermatozoa metabolism is more dependent on carbohydrate-related energy pathways. Understanding the presence and function of sperm phosphorylated metabolites will enhance our knowledge of the metabolic profile of healthy human sperm, improving assessment and differential diagnosis.
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Affiliation(s)
- Rebeca Serrano
- Research Group of Intracellular Signaling and Technology of Reproduction (SINTREP), Research Institute INBIO G+C, University of Extremadura, 10003 Caceres, Spain; (R.S.); (D.M.-H.)
| | - David Martin-Hidalgo
- Research Group of Intracellular Signaling and Technology of Reproduction (SINTREP), Research Institute INBIO G+C, University of Extremadura, 10003 Caceres, Spain; (R.S.); (D.M.-H.)
| | - Jon Bilbao
- Precision Medicine and Metabolism Laboratory, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (J.B.); (G.B.-S.); (O.M.)
| | - Ganeko Bernardo-Seisdedos
- Precision Medicine and Metabolism Laboratory, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (J.B.); (G.B.-S.); (O.M.)
- Department of Medicine, Faculty of Health Sciences, University of Deusto, 48007 Bilbao, Spain
| | - Oscar Millet
- Precision Medicine and Metabolism Laboratory, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain; (J.B.); (G.B.-S.); (O.M.)
- CIBERehd, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Luis J. Garcia-Marin
- Research Group of Intracellular Signaling and Technology of Reproduction (SINTREP), Research Institute INBIO G+C, University of Extremadura, 10003 Caceres, Spain; (R.S.); (D.M.-H.)
| | - Maria Julia Bragado
- Research Group of Intracellular Signaling and Technology of Reproduction (SINTREP), Research Institute INBIO G+C, University of Extremadura, 10003 Caceres, Spain; (R.S.); (D.M.-H.)
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Zhang Y, Shi W, Zhang M, Xu L, Wu L, Li C, Zhang Z, Cao W, Zhang J, Zeng Q, Sun S. Exposure to PM 2.5, seminal plasma metabolome, and semen quality among Chinese adult men: Association and potential mediation analyses. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132602. [PMID: 37748305 DOI: 10.1016/j.jhazmat.2023.132602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/17/2023] [Accepted: 09/20/2023] [Indexed: 09/27/2023]
Abstract
Exposure to ambient fine particulate matter (PM2.5) has been linked to a decline in semen quality, but the underlying mechanisms for this association remain unclear. We aimed to examine whether specific metabolites act as mediators in the association between PM2.5 exposure and changes in semen quality. We conducted untargeted metabolomics analysis using LC-MS/MS platforms to identified seminal plasma metabolites associated with various semen quality parameters among 200 Chinese adult men. Additionally, we performed mediation analyses to examine the effects of the seminal plasma metabolites on the association between PM2.5 exposure and semen quality. We identified 140 differential metabolites between the normal and abnormal semen groups, involving two metabolic pathways: Alanine, aspartate and glutamate metabolism, and Aminoacyl-tRNA biosynthesis. We additionally identified 7 specific seminal plasma metabolites that were associated with discrepant metabolic networks related to semen quality. The mediation analysis revealed that D-Aspartate might play a mediating role in the adverse effects of ambient PM2.5 exposure on both total and progressive motility during spermatogenesis period (70-90 days before ejaculation), with a proportion of mediation up to 16% and 17%, respectively. Exposure to PM2.5 was associated with alterations in D-Aspartate levels, which might partially mediate the association between PM2.5 and reduced sperm motility.
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Affiliation(s)
- Yangchang Zhang
- School of Public Health, Capital Medical University, Beijing 100069, China
| | - Wanying Shi
- School of Public Health, Capital Medical University, Beijing 100069, China
| | - Min Zhang
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lufei Xu
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Human Resources, Peking University Cancer Hospital & Institute, China
| | - Lizhi Wu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road Binjiang District, Hangzhou 310051, China
| | - Chunrong Li
- Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Zhenyu Zhang
- Department of Global Health, Peking University School of Public Health, Beijing, China; Institute for Global Health and Development, Peking University, Beijing 100191, China
| | - Wangnan Cao
- Department of Social Medicine and Health Education, School of Public Health, Peking University, Beijing 100191, China
| | - Jie Zhang
- School of Public Health, Xiamen University, Xiamen, China
| | - Qiang Zeng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Shengzhi Sun
- School of Public Health, Capital Medical University, Beijing 100069, China; School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China.
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Di Nisio A, De Toni L, Sabovic I, Vignoli A, Tenori L, Dall’Acqua S, Sut S, La Vignera S, Condorelli RA, Giacone F, Ferlin A, Foresta C, Garolla A. Lipidomic Profile of Human Sperm Membrane Identifies a Clustering of Lipids Associated with Semen Quality and Function. Int J Mol Sci 2023; 25:297. [PMID: 38203468 PMCID: PMC10778809 DOI: 10.3390/ijms25010297] [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: 12/01/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
Reduced sperm motility and/or count are among the major causes of reduced fertility in men, and sperm membranes play an important role in the spermatogenesis and fertilization processes. However, the impact of sperm lipid composition on male fertility remains under-investigated. The aim of the present study was to perform a lipidomic analysis of human sperm membranes: we performed an untargeted analysis of membrane lipid composition in fertile (N = 33) and infertile subjects (N = 29). In parallel, we evaluated their serum lipid levels. Twenty-one lipids were identified by their mass/charge ratio and post-source decay spectra. Sulfogalactosylglycerolipid (SGG, seminolipid) was the most abundant lipid component in the membranes. In addition, we observed a significant proportion of PUFAs. Important differences have emerged between the fertile and infertile groups, leading to the identification of a lipid cluster that was associated with semen parameters. Among these, cholesterol sulfate, SGG, and PUFAs represented the most important predictors of semen quality. No association was found between the serum and sperm lipids. Dietary PUFAs and SGG have acknowledged antioxidant functions and could, therefore, represent sensitive markers of sperm quality and testicular function. Altogether, these results underline the important role of sperm membrane lipids, which act independently of serum lipids levels and may rather represent an independent marker of reproductive function.
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Affiliation(s)
- Andrea Di Nisio
- Department of Medicine, University of Padova, 35128 Padova, Italy; (A.D.N.); (L.D.T.); (I.S.); (A.F.); (A.G.)
| | - Luca De Toni
- Department of Medicine, University of Padova, 35128 Padova, Italy; (A.D.N.); (L.D.T.); (I.S.); (A.F.); (A.G.)
| | - Iva Sabovic
- Department of Medicine, University of Padova, 35128 Padova, Italy; (A.D.N.); (L.D.T.); (I.S.); (A.F.); (A.G.)
| | - Alessia Vignoli
- Magnetic Resonance Center (CERM) at the Department of Chemistry “Ugo Schiff”, University of Florence, 50019 Sesto Fiorentino, Italy; (A.V.); (L.T.)
| | - Leonardo Tenori
- Magnetic Resonance Center (CERM) at the Department of Chemistry “Ugo Schiff”, University of Florence, 50019 Sesto Fiorentino, Italy; (A.V.); (L.T.)
- Consorzio Interuniversitario Risonanze Magnetiche MetalloProteine (CIRMMP), 50019 Sesto Fiorentino, Italy
| | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35129 Padova, Italy; (S.D.); (S.S.)
| | - Stefania Sut
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35129 Padova, Italy; (S.D.); (S.S.)
| | - Sandro La Vignera
- Department of Clinical and Experimental Medicine, University of Catania, 95125 Catania, Italy; (S.L.V.); (R.A.C.)
| | - Rosita Angela Condorelli
- Department of Clinical and Experimental Medicine, University of Catania, 95125 Catania, Italy; (S.L.V.); (R.A.C.)
| | - Filippo Giacone
- Centro HERA-Unità di Medicina della Riproduzione, Via Barriera del Bosco, 51/53, Sant’Agata li Battiati, 95030 Catania, Italy;
| | - Alberto Ferlin
- Department of Medicine, University of Padova, 35128 Padova, Italy; (A.D.N.); (L.D.T.); (I.S.); (A.F.); (A.G.)
| | - Carlo Foresta
- Department of Medicine, University of Padova, 35128 Padova, Italy; (A.D.N.); (L.D.T.); (I.S.); (A.F.); (A.G.)
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani, 2, 35128 Padova, Italy
| | - Andrea Garolla
- Department of Medicine, University of Padova, 35128 Padova, Italy; (A.D.N.); (L.D.T.); (I.S.); (A.F.); (A.G.)
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8
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Rodrigues Pessoa E, Roger Vasconcelos F, de Oliveira Paula-Marinho S, de Menezes Daloso D, Damasceno Guerreiro D, Matias Martins JA, Gomes-Filho E, Alencar Moura A. Metabolomic profile of seminal plasma from Guzerá bulls (Bos indicus) with contrasting sperm freezability phenotypes. Reprod Domest Anim 2023; 58:1379-1392. [PMID: 37592767 DOI: 10.1111/rda.14453] [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: 03/02/2023] [Revised: 07/20/2023] [Accepted: 08/01/2023] [Indexed: 08/19/2023]
Abstract
The present study evaluated the seminal plasma metabolome of Bos indicus Guzerá bulls with good (n = 4) and poor (n = 5) sperm freezability. Animals were raised in natural pasture of a 'Caatinga' ecosystem, in the semi-arid region of Brazil. Seminal plasma samples were subjected to gas chromatography coupled to mass spectrometry and data, analysed using bioinformatics tools (Cytoscape with the MetScape plug-in). Sixty-two metabolites were identified in the bovine seminal plasma. Fatty acids and conjugates and organic compounds were the predominant seminal fluid metabolites, followed by carboxylic acids and derivatives, amino acids, benzenes and steroids and derivatives, carbohydrates and carbohydrate conjugates and prenol lipids. Multivariate analysis indicated a distinct separation of seminal plasma metabolomes from bulls with contrasting sperm freezability. Abundances of propanoic acid, d-ribose and glycine were greater in the seminal plasma of bulls with good sperm freezability. Heptadecanoic acid and undecanoic acid were the predominant in bulls of poor sperm freezability. Propanoic acid is an energy source for spermatozoa and may act as an antimicrobial component in semen. Glycine acts against oxidizing and denaturing reactions. d-ribose is also an energy source and reduces apoptosis and oxidative stress. Undecanoic acid may protect sperm against fungal damage. This study provides fundamental information approximately the seminal plasma metabolome of tropically adapted bulls and its association with sperm freezability. However, further studies with larger groups of animals are needed to validate those metabolites as markers of sperm freezability. This strategy could support the selection of sires with superior sperm cryoresistance.
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Affiliation(s)
| | | | | | - Danilo de Menezes Daloso
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil
| | | | - Jorge André Matias Martins
- Department of Animal Science, Federal University of Ceará, Fortaleza, Brazil
- Center for Agricultural Sciences and Biodiversity, Federal University of Cariri, Crato, Brazil
| | - Enéas Gomes-Filho
- Department of Biochemistry and Molecular Biology, Federal University of Ceará, Fortaleza, Brazil
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9
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Hou Y, He Y, Wang J, Zhou Y, Ma B, Li X, Shi L, Zhang Q. Comprehensive metabolomics profiling of seminal plasma in asthenozoospermia caused by different etiologies. Clin Chim Acta 2023; 548:117530. [PMID: 37652159 DOI: 10.1016/j.cca.2023.117530] [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: 06/20/2023] [Revised: 08/22/2023] [Accepted: 08/26/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND Asthenozoospermia (AZS) is a disease characterized by decreased sperm motility induced by multiple etiologies, and the pathological mechanisms of various AZS are unclear. We simultaneously analyzed the metabolic profiling of four representative AZS to provide new insights into the etiologies of AZS. METHOD Seminal plasma samples were collected from healthy control (HC; n = 30) and four AZS induced by varicocele (VA, n = 30), obesity (OA, n = 22), reproductive system infections (RA; n = 17) and idiopathic (IA, n = 30), respectively, and were analyzed using gas chromatography-mass spectrometry. Disturbed metabolites and metabolic pathways were compared between AZS and HC, as well as IA and the other three AZS. RESULTS A total of 40 different metabolites were identified in the seminal plasma of AZS and HC, of which lactic acid, fructose, citric acid, glutamine and pyruvic acid metabolic abnormalities associated with all the AZS groups, while each AZS group had unique metabolic changes. RA was significantly separated from the other three AZS, and metabolites such as cholesterol, octadecanoic acid and serine mainly contributed to the separation. CONCLUSION The comprehensive metabolomic analysis and comparison of four various AZS provided evidence and clues for the mechanism mining, which will benefit future etiology, diagnosis and treatment of AZS.
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Affiliation(s)
- Yuyang Hou
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China
| | - Yuanping He
- School of Economics & Management, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China
| | - Jingjie Wang
- School of Pharmaceutical Sciences, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China
| | - Yanfen Zhou
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China
| | - Bo Ma
- School of Pharmaceutical Sciences, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China
| | - Xin Li
- School of Pharmaceutical Sciences, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China
| | - Liang Shi
- Department of Urology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, People's Republic of China.
| | - Qi Zhang
- College of Food Science and Light Industry, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, People's Republic of China.
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10
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Houle E, Li Y, Schroder M, McRitchie SL, Rahil T, Sites CK, Sumner SJ, Pilsner JR. Exploring the internal exposome of seminal plasma with semen quality and live birth: A Pilot Study. Syst Biol Reprod Med 2023; 69:296-309. [PMID: 37098216 PMCID: PMC11144350 DOI: 10.1080/19396368.2023.2195964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 03/21/2023] [Indexed: 04/27/2023]
Abstract
Infertility is clinically defined as the inability to achieve pregnancy within 12 months of regular unprotected sexual intercourse and affects 15% of couples worldwide. Therefore, the identification of novel biomarkers that can accurately predict male reproductive health and couples' reproductive success is of major public health significance. The objective of this pilot study is to test whether untargeted metabolomics is capable of discriminating reproductive outcomes and understand associations between the internal exposome of seminal plasma and the reproductive outcomes of semen quality and live birth among ten participants undergoing assisted reproductive technology (ART) in Springfield, MA. We hypothesize that seminal plasma offers a novel biological matrix by which untargeted metabolomics is able to discern male reproductive status and predict reproductive success. The internal exposome data was acquired using UHPLC-HR-MS on randomized seminal plasma samples at UNC at Chapel Hill. Unsupervised and supervised multivariate analyses were used to visualize the differentiation of phenotypic groups classified by men with normal or low semen quality based on World Health Organization guidelines as well as by successful ART: live birth or no live birth. Over 100 exogenous metabolites, including environmentally relevant metabolites, ingested food components, drugs and medications, and metabolites relevant to microbiome-xenobiotic interaction, were identified and annotated from the seminal plasma samples, through matching against the NC HHEAR hub in-house experimental standard library. Pathway enrichment analysis indicated that fatty acid biosynthesis and metabolism, vitamin A metabolism, and histidine metabolism were associated sperm quality; while pathways involving vitamin A metabolism, C21-steroid hormone biosynthesis and metabolism, arachidonic acid metabolism, and Omega-3 fatty acid metabolism distinguished live birth groups. Taken together, these pilot results suggest that seminal plasma is a novel matrix to study the influence of the internal exposome on reproductive health outcomes. Future research aims to increase the sample size to validate these findings.
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Affiliation(s)
- Emily Houle
- Department of Obstetrics and Gynecology, School of Medicine, Wayne State University, 275 E. Hancock Street, Detroit, MI, USA
| | - YuanYuan Li
- Department of Nutrition, Nutrition Research Institute, 500 Laureate Way, University of North Carolina at Chapel Hill School of Public Health, Kannapolis, NC 28010, USA
| | - Madison Schroder
- Department of Nutrition, Nutrition Research Institute, 500 Laureate Way, University of North Carolina at Chapel Hill School of Public Health, Kannapolis, NC 28010, USA
| | - Susan L McRitchie
- Department of Nutrition, Nutrition Research Institute, 500 Laureate Way, University of North Carolina at Chapel Hill School of Public Health, Kannapolis, NC 28010, USA
| | - Tayyab Rahil
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, University of Massachusetts Medical School, Baystate Medical Center, 759 Chestnut Street, Springfield, MA, USA
| | - Cynthia K Sites
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, University of Massachusetts Medical School, Baystate Medical Center, 759 Chestnut Street, Springfield, MA, USA
| | - Susan Jenkins Sumner
- Department of Nutrition, Nutrition Research Institute, 500 Laureate Way, University of North Carolina at Chapel Hill School of Public Health, Kannapolis, NC 28010, USA
| | - J. Richard Pilsner
- Department of Obstetrics and Gynecology, School of Medicine, Wayne State University, 275 E. Hancock Street, Detroit, MI, USA
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11
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Chen X, Wu B, Shen X, Wang X, Ping P, Miao M, Liang N, Yin H, Shi H, Qian J, Zhang T. Relevance of PUFA-derived metabolites in seminal plasma to male infertility. Front Endocrinol (Lausanne) 2023; 14:1138984. [PMID: 37284213 PMCID: PMC10240070 DOI: 10.3389/fendo.2023.1138984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 05/02/2023] [Indexed: 06/08/2023] Open
Abstract
Aim This study aims to investigate the biological effects of polyunsaturated fatty acid (PUFA)-derived metabolites in seminal plasma on male fertility and to evaluate the potential of PUFA as a biomarker for normozoospermic male infertility. Methods From September 2011 to April 2012, We collected semen samples from 564 men aged 18 to 50 years old (mean=32.28 years old)ch., residing in the Sandu County, Guizhou Province, China. The donors included 376 men with normozoospermia (fertile: n=267; infertile: n=109) and 188 men with oligoasthenozoospermia (fertile: n=121; infertile: n=67). The samples thus obtained were then analyzed by liquid chromatography-mass spectrometry (LC-MS) to detect the levels of PUFA-derived metabolites in April 2013. Data were analyzed from December 1, 2020, to May 15, 2022. Results Our analysis of propensity score-matched cohorts revealed that the concentrations of 9/26 and 7/26 metabolites differed significantly between fertile and infertile men with normozoospermia and oligoasthenozoospermia, respectively (FDR < 0.05). In men with normozoospermia, higher levels of 7(R)-MaR1 (HR: 0.4 (95% CI [0.24, 0.64]) and 11,12-DHET (0.36 (95% CI [0.21, 0.58]) were significantly associated with a decreased risk of infertility, while higher levels of 17(S)-HDHA (HR: 2.32 (95% CI [1.44, 3.79]), LXA5 (HR: 8.38 (95% CI [4.81, 15.24]), 15d-PGJ2 (HR: 1.71 (95% CI [1.06, 2.76]), and PGJ2 (HR: 2.28 (95% CI [1.42, 3.7]) correlated with an increased risk of infertility. Our ROC model using the differentially expressed metabolites showed the value of the area under the curve to be 0.744. Conclusion The PUFA-derived metabolites 7(R)-MaR1, 11,12-DHET, 17(S)-HDHA, LXA5, and PGJ2 might be considered as potential diagnostic biomarkers of infertility in normozoospermic men.
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Affiliation(s)
- Xiangfeng Chen
- Shanghai Human Sperm Bank, Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Bin Wu
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - XiaoRong Shen
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Xin Wang
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Ping Ping
- Shanghai Human Sperm Bank, Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Maohua Miao
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Ningning Liang
- CAS Key Laboratory of Nutrition, Metabolism, and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences (CAS), Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Huiyong Yin
- CAS Key Laboratory of Nutrition, Metabolism, and Food Safety, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences (CAS), Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Huijuan Shi
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Jun Qian
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Tiancheng Zhang
- National Health Commission of the PRC (NHC), Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
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12
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Calabrese V, Schmitz-Afonso I, Riah-Anglet W, Trinsoutrot-Gattin I, Pawlak B, Afonso C. Direct introduction MALDI FTICR MS based on dried droplet deposition applied to non-targeted metabolomics on Pisum Sativum root exudates. Talanta 2023; 253:123901. [PMID: 36088848 DOI: 10.1016/j.talanta.2022.123901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 12/13/2022]
Abstract
Non-targeted metabolomic approaches based on direct introduction (DI) through a soft ionization source are nowadays used for large-scale analysis and wide cover-up of metabolites in complex matrices. When coupled with ultra-high-resolution Fourier-Transform ion cyclotron resonance (FTICR MS), DI is generally performed through electrospray (ESI), which, despite the great analytical throughput, can suffer of matrix effects due to residual salts or charge competitors. In alternative, matrix assisted laser desorption ionization (MALDI) coupled with FTICR MS offers relatively high salt tolerance but it is mainly used for imaging of small molecule within biological tissues. In this study, we report a systematic evaluation on the performance of direct introduction ESI and MALDI coupled with FTICR MS applied to the analysis of root exudates (RE), a complex mixture of metabolites released from plant root tips and containing a relatively high salt concentration. Classic dried droplet deposition followed by screening of best matrices and ratio allowed the selection of high ranked conditions for non-targeted metabolomics on RE. Optimization of MALDI parameters led to improved reproducibility and precision. A RE desalted sample was used for comparison on ionization efficiency of the two sources and ion enhancement at high salinity was highlighted in MALDI by spiking desalted solution with inorganic salts. Application of a true lyophilized RE sample exhibited the complementarity of the two sources and the ability of MALDI in the detection of undisclosed metabolites suffering of matrix effects in ESI mode.
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Affiliation(s)
- Valentina Calabrese
- Normandie Univ, COBRA, UMR 6014 and FR 3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 Rue Tesnières, 76821, Mont-Saint-Aignan, Cedex, France
| | - Isabelle Schmitz-Afonso
- Normandie Univ, COBRA, UMR 6014 and FR 3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 Rue Tesnières, 76821, Mont-Saint-Aignan, Cedex, France.
| | - Wassila Riah-Anglet
- UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, SFR Normandie Végétal FED 4277, 76000, Rouen, France
| | - Isabelle Trinsoutrot-Gattin
- UniLaSalle, AGHYLE Research Unit UP 2018.C101, Rouen Team, 76134 Mont-Saint Aignan, SFR Normandie Végétal FED 4277, 76000, Rouen, France
| | - Barbara Pawlak
- Laboratoire GlycoMEV UR 4358, Université de Rouen Normandie, SFR Normandie Végétal FED 4277, 76000, Rouen, France
| | - Carlos Afonso
- Normandie Univ, COBRA, UMR 6014 and FR 3038, Université de Rouen, INSA de Rouen, CNRS, IRCOF, 1 Rue Tesnières, 76821, Mont-Saint-Aignan, Cedex, France
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13
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Serri O, Boguenet M, Chao de la Barca JM, Bouet PE, El Hachem H, Blanchet O, Reynier P, May-Panloup P. A Metabolomic Profile of Seminal Fluid in Extremely Severe Oligozoopermia Suggesting an Epididymal Involvement. Metabolites 2022; 12:metabo12121266. [PMID: 36557304 PMCID: PMC9783920 DOI: 10.3390/metabo12121266] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Male infertility has increased in the last decade. Pathophysiologic mechanisms behind extreme oligospermia (EO) are not yet fully understood. In new “omics” approaches, metabolomic can offer new information and help elucidate these mechanisms. We performed a metabolomics study of the seminal fluid (SF) in order to understand the mechanisms implicated in EO. We realized a targeted quantitative analysis using high performance liquid chromatography and mass spectrometry to compare the SF metabolomic profile of 19 men with EO with that of 22 men with a history of vasectomy (V) and 20 men with normal semen parameters (C). A total of 114 metabolites were identified. We obtained a multivariate OPLS-DA model discriminating the three groups. Signatures show significantly higher levels of amino acids and polyamines in C group. The sum of polyunsaturated fatty acids and free carnitine progressively decrease between the three groups (C > EO > V) and sphingomyelins are significantly lower in V group. Our signature characterizing EO includes metabolites already linked to infertility in previous studies. The similarities between the signatures of the EO and V groups are clear evidence of epididymal dysfunction in the case of testicular damage. This study shows the complexity of the metabolomic dysfunction occurring in the SF of EO men and underlines the importance of metabolomics in understanding male infertility.
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Affiliation(s)
- Orianne Serri
- Reproductive Biology Unit, Angers University Hospital, 49000 Angers, France
- Correspondence:
| | - Magalie Boguenet
- MITOVASC, INSERM 1083-CNRS 6015, SFR ICAT, Angers University, IBS–CHU, 49000 Angers, France
| | - Juan Manuel Chao de la Barca
- MITOVASC, INSERM 1083-CNRS 6015, SFR ICAT, Angers University, IBS–CHU, 49000 Angers, France
- Department of Biochemistry and Genetics, Angers University Hospital, 49000 Angers, France
| | - Pierre-Emmanuel Bouet
- MITOVASC, INSERM 1083-CNRS 6015, SFR ICAT, Angers University, IBS–CHU, 49000 Angers, France
- Department of Reproductive Medicine, Angers University Hospital, 49000 Angers, France
| | - Hady El Hachem
- Department of Obstetrics and Gynecology, Lebanese American University, Beirut 1100, Lebanon
| | - Odile Blanchet
- CRB, BB-0033-00038, Angers University Hospital, 49000 Angers, France
| | - Pascal Reynier
- MITOVASC, INSERM 1083-CNRS 6015, SFR ICAT, Angers University, IBS–CHU, 49000 Angers, France
- Department of Biochemistry and Genetics, Angers University Hospital, 49000 Angers, France
| | - Pascale May-Panloup
- Reproductive Biology Unit, Angers University Hospital, 49000 Angers, France
- MITOVASC, INSERM 1083-CNRS 6015, SFR ICAT, Angers University, IBS–CHU, 49000 Angers, France
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14
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Blaurock J, Baumann S, Grunewald S, Schiller J, Engel KM. Metabolomics of Human Semen: A Review of Different Analytical Methods to Unravel Biomarkers for Male Fertility Disorders. Int J Mol Sci 2022; 23:ijms23169031. [PMID: 36012302 PMCID: PMC9409482 DOI: 10.3390/ijms23169031] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 12/01/2022] Open
Abstract
Background: Human life without sperm is not possible. Therefore, it is alarming that the fertilizing ability of human spermatozoa is continuously decreasing. The reasons for that are widely unknown, but there is hope that metabolomics-based investigations may be able to contribute to overcoming this problem. This review summarizes the attempts made so far. Methods: We will discuss liquid chromatography–mass spectrometry (LC-MS), gas chromatography (GC), infrared (IR) and Raman as well as nuclear magnetic resonance (NMR) spectroscopy. Almost all available studies apply one of these methods. Results: Depending on the methodology used, different compounds can be detected, which is (in combination with sophisticated methods of bioinformatics) helpful to estimate the state of the sperm. Often, but not in all cases, there is a correlation with clinical parameters such as the sperm mobility. Conclusions: LC-MS detects the highest number of metabolites and can be considered as the method of choice. Unfortunately, the reproducibility of some studies is poor, and, thus, further improvements of the study designs are needed to overcome this problem. Additionally, a stronger focus on the biochemical consequences of the altered metabolite concentrations is also required.
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Affiliation(s)
- Janet Blaurock
- Training Center of the European Academy of Andrology (EAA), Dermatology, Venerology and Allergology Clinic, University Hospital Leipzig, 04103 Leipzig, Germany
| | - Sven Baumann
- Faculty of Medicine, Institute of Legal Medicine, Leipzig University, 04103 Leipzig, Germany
| | - Sonja Grunewald
- Training Center of the European Academy of Andrology (EAA), Dermatology, Venerology and Allergology Clinic, University Hospital Leipzig, 04103 Leipzig, Germany
| | - Jürgen Schiller
- Faculty of Medicine, Institute for Medical Physics and Biophysics, Leipzig University, 04107 Leipzig, Germany
| | - Kathrin M. Engel
- Training Center of the European Academy of Andrology (EAA), Dermatology, Venerology and Allergology Clinic, University Hospital Leipzig, 04103 Leipzig, Germany
- Faculty of Medicine, Institute for Medical Physics and Biophysics, Leipzig University, 04107 Leipzig, Germany
- Correspondence:
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15
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Llavanera M, Delgado-Bermúdez A, Ribas-Maynou J, Salas-Huetos A, Yeste M. A systematic review identifying fertility biomarkers in semen: a clinical approach through Omics to diagnose male infertility. Fertil Steril 2022; 118:291-313. [PMID: 35718545 DOI: 10.1016/j.fertnstert.2022.04.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To identify the most robust molecular biomarkers in sperm and seminal plasma for the diagnosis of male infertility, and to evaluate their clinical use. DESIGN Systematic review. SETTING Not applicable. PATIENT(S) Accessible studies reporting well-defined (in)fertile populations and semen molecular biomarkers were included in this review. INTERVENTION(S) A systematic search of the literature published in MEDLINE-PubMed and EMBASE databases was performed, following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. MAIN OUTCOME MEASURE(S) The primary outcome was the content, expression, or activity of molecular biomarkers in human semen samples. Only studies reporting a receiver-operating characteristic (ROC) analysis values were included. RESULT(S) Eighty-nine studies were included. Direct evaluation of sperm DNA damage has high potential as a diagnostic biomarker of fertility and assisted reproductive technology outcomes (area under the curve [AUCs] median = 0.67). Regarding strand break-associated chromatin modifications, γH2AX levels show good predictive value for the diagnosis of male infertility (AUCs median = 0.93). Some noncoding ribonucleic acid (RNA) exhibit excellent predictive values; miR-34c-5p in semen is the most well-characterized and robust transcriptomic biomarker (AUCs median = 0.78). While many proteins in semen show fair diagnostic value for sperm quality and fertilizing capacity, the levels of some, such as TEX101, in seminal plasma have an excellent diagnostic potential (AUCs median = 0.69). Although individual metabolites and metabolomic profiles in seminal plasma present good predictive value, the latter seem to be better than the former when inferring sperm quality and fertilizing capacity. CONCLUSION(S) The current review supports that some Omics (e.g., DNA structure and integrity, genomics and epigenomics, transcriptomics, metabolomics, and proteomics) could be considered relevant molecular biomarkers that may help identify infertility etiologies and fertilization prognosis with cost-effective, simple, and accurate diagnosis.
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Affiliation(s)
- Marc Llavanera
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Ariadna Delgado-Bermúdez
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Jordi Ribas-Maynou
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
| | - Albert Salas-Huetos
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain; Department of Nutrition, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts; Consorcio CIBER, M.P., Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
| | - Marc Yeste
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
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16
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The Activated AMPK/mTORC2 Signaling Pathway Associated with Oxidative Stress in Seminal Plasma Contributes to Idiopathic Asthenozoospermia. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4240490. [PMID: 35720189 PMCID: PMC9200551 DOI: 10.1155/2022/4240490] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 04/09/2022] [Accepted: 05/16/2022] [Indexed: 11/17/2022]
Abstract
Asthenozoospermia is a common form of abnormal sperm quality in idiopathic male infertility. While most sperm-mediated causes have been investigated in detail, the significance of seminal plasma has been neglected. Herein, we aimed to investigate the possible pathogenic factors leading to decreased sperm motility based on seminal plasma. Semen was collected from normo- (NOR, n = 70), idiopathic oligo- (OLI, n = 57), and idiopathic asthenozoospermic (AST, n = 53) patients. Using attenuated total reflection-Fourier transform infrared coupled with chemometrics, distinct differences in the biochemical compositions of nucleic acids, protein structure (amides I, II, and III), lipids, and carbohydrates in seminal plasma of AST were observed when compared to NOR and OLI. Compared with NOR and OLI, the levels of peptide aggregation, protein phosphorylation, unsaturated fatty acid, and lipid to protein ratio were significantly increased in AST; however, the level of lipid saturation was significantly decreased in seminal plasma of AST. Compared with NOR, the levels of ROS, MDA, 8-iso-prostaglandin F2α (8-isoPGF2α), and the ratio of phospho-AMPKα/AMPKα1 were significantly increased in AST; however, the levels of SOD, glutathione S-transferase (GSTs), protein carbonyl derivative (PC), and the ratio of phospho-Rictor/Rictor were significantly decreased in seminal plasma of AST. Changes of the AMPK/mTORC2 signaling in the seminal microenvironment possibly induce abnormal glucose and lipid metabolism, which impairs energy production. Oxidative stress potentially damages seminal plasma lipids and proteins, which in turn leads to impaired sperm structure and function. These findings provide evidence that the changes in seminal plasma compositions, oxidative stress, and activation of the AMPK/mTORC2 signaling contribute to the development of asthenozoospermia.
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17
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Zhu C, Jin L, Luo B, Zhou Q, Dong L, Li X, Zhang H, Huang Y, Li C, Zou L, Laghi L. Dominant Components of the Giant Panda Seminal Plasma Metabolome, Characterized by 1H-NMR Spectroscopy. Animals (Basel) 2022; 12:ani12121536. [PMID: 35739871 PMCID: PMC9219455 DOI: 10.3390/ani12121536] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/09/2022] [Accepted: 06/11/2022] [Indexed: 12/03/2022] Open
Abstract
Simple Summary As China’s flagship animal, the giant panda (Ailuropoda melanoleuca) attracts much attention due to its small population and low natural reproductive rate. Therefore, artificial insemination has become the leading practical approach in the captive breeding programs of giant pandas worldwide. Seminal plasma acts as a medium between spermatozoa and the external stimuli, and its characteristics have been directly linked to fertility in both artificial insemination and natural fertilization. The current work, for the first time, attempts to characterize, by proton magnetic resonance spectroscopy (1H-NMR), the metabolome of healthy giant panda seminal plasma. A total of 35 molecules were quantified, with distinct age-related trends highlighted by a multivariate analysis, and the concentrations of 2,3-butanediol were significantly different between individuals younger than 8 years and older than 13 years. In addition, isopropanol’s concentration was significantly linked to estrus stages. Besides, the variations in the metabolome’s profile with storage time were also evaluated. This study may serve as a reference for research wishing to shed light on the biological mechanisms affecting giant panda sperm’s overall quality and may ultimately lead to novel approaches to giant panda artificial insemination. Abstract As an assisted breeding technique, artificial insemination has become the main effective practical approach in the captive breeding programs of giant panda worldwide. The composition of seminal plasma plays an important role in the success of breeding. The present work is the first attempt to characterize, by proton magnetic resonance spectroscopy (1H-NMR), the metabolome of healthy giant panda seminal plasma. A total of 35 molecules were quantified, with the concentration of 2,3-butanediol being significantly different between individuals younger than 8 years and older than 13 years, and other distinct age-related trends were highlighted by a multivariate analysis. Isopropanol’s concentration was significantly linked to estrus stages. Besides, the variations in the metabolome’s profile during storage were also evaluated. This study may serve as a reference for further research wishing to shed light on the biological mechanisms affecting giant panda sperm’s overall quality and may ultimately lead to novel approaches to giant panda artificial insemination.
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Affiliation(s)
- Chenglin Zhu
- College of Food Science and Technology, Southwest Minzu University, Chengdu 610041, China;
| | - Lei Jin
- College of Resources, Sichuan Agricultural University, Chengdu 611130, China;
| | - Bo Luo
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
| | - Qiang Zhou
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
| | - Li Dong
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
| | - Xiaoyan Li
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
| | - Hemin Zhang
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
| | - Yan Huang
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
| | - Caiwu Li
- Key Laboratory of State Forestry and Grassland Administration on Conservation Biology of Rare Animals in the Giant Panda National Park, The China Conservation and Research Center for the Giant Panda, Dujiangyan 611800, China; (B.L.); (Q.Z.); (L.D.); (X.L.); (H.Z.); (Y.H.)
- Correspondence: (C.L.); (L.Z.); Tel.: +86-0835-2318208 (C.L.); +86-028-86290986 (L.Z.)
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu 611130, China;
- Correspondence: (C.L.); (L.Z.); Tel.: +86-0835-2318208 (C.L.); +86-028-86290986 (L.Z.)
| | - Luca Laghi
- Department of Agricultural and Food Sciences, University of Bologna, 47521 Cesena, Italy;
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Sun L, Cui Z, Huang S, Xue Q, Rehman SU, Luo X, Shi D, Li X. Effect of environmental temperature on semen quality and seminal plasma metabolites of Mediterranean buffalo bulls. Anim Biotechnol 2022; 33:970-980. [PMID: 35352620 DOI: 10.1080/10495398.2022.2056045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
High-quality semen with high viability is critical to improving the in-vitro fertilization efficiency. This study aimed to understand the effect of ambient temperature and humidity on semen quality and seminal plasma biochemical parameters of Mediterranean buffalo in March and July. The metabolites of seminal plasma in two seasons were detected using the UPLC-MS/MS method. The results showed that temperature and humidity index (THI) in March were 66.86 ± 2.98, and 82.94 ± 3.52 in July. Compared with in March, breath frequency, rectal temperature, and heat shock protein 70 expressions of seminal plasma were significantly increased in July (p < 0.05), motility of sperm was dramatically reduced, and sperm deformity rate was significantly increased (p < 0.05). Fructose, acid phosphatase and α-glucosidase in seminal plasma were significantly increased (p < 0.05) in July, while testosterone level was significantly reduced (p < 0.05). Six different metabolites were found in the two groups, which involved in three metabolic pathways, the tricarboxylic acid cycle, glycerophospholipid, glyoxylic acid and dicarboxylic acid. The above results indicate that the increased ambient temperature has obvious side effects on the semen quality of Mediterranean buffalo, and the compromised quality is associated with the change of metabolites related to male hormone secretion, energy metabolism and fatty acid oxidation.
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Affiliation(s)
- Le Sun
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
| | - Zhichao Cui
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
| | - Shihai Huang
- College of Life Science and Technology, Guangxi University, Nanning, P. R. China
| | - Qingsong Xue
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
| | - Saif Ur Rehman
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
| | - Xi Luo
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
| | - Deshun Shi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
| | - Xiangping Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning, P. R. China
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Dasgupta M, Kumaresan A, Saraf KK, Nag P, Sinha MK, Aslam M. K. M, Karthikkeyan G, Prasad TSK, Modi PK, Datta TK, Ramesha K, Manimaran A, Jeyakumar S. Deep Metabolomic Profiling Reveals Alterations in Fatty Acid Synthesis and Ketone Body Degradations in Spermatozoa and Seminal Plasma of Astheno-Oligozoospermic Bulls. Front Vet Sci 2022; 8:755560. [PMID: 35087889 PMCID: PMC8787163 DOI: 10.3389/fvets.2021.755560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/29/2021] [Indexed: 12/17/2022] Open
Abstract
Male fertility is extremely important in dairy animals because semen from a single bull is used to inseminate several thousand females. Asthenozoospermia (reduced sperm motility) and oligozoospermia (reduced sperm concentration) are the two important reasons cited for idiopathic infertility in crossbred bulls; however, the etiology remains elusive. In this study, using a non-targeted liquid chromatography with tandem mass spectrometry-based approach, we carried out a deep metabolomic analysis of spermatozoa and seminal plasma derived from normozoospermic and astheno-oligozoospermic bulls. Using bioinformatics tools, alterations in metabolites and metabolic pathways between normozoospermia and astheno-oligozoospermia were elucidated. A total of 299 and 167 metabolites in spermatozoa and 183 and 147 metabolites in seminal plasma were detected in astheno-oligozoospermic and normozoospermic bulls, respectively. Among the mapped metabolites, 75 sperm metabolites were common to both the groups, whereas 166 and 50 sperm metabolites were unique to astheno-oligozoospermic and normozoospermic bulls, respectively. Similarly, 86 metabolites were common to both the groups, whereas 45 and 37 seminal plasma metabolites were unique to astheno-oligozoospermic and normozoospermic bulls, respectively. Among the differentially expressed metabolites, 62 sperm metabolites and 56 seminal plasma metabolites were significantly dysregulated in astheno-oligozoospermic bulls. In spermatozoa, selenocysteine, deoxyuridine triphosphate, and nitroprusside showed significant enrichment in astheno-oligozoospermic bulls. In seminal plasma, malonic acid, 5-diphosphoinositol pentakisphosphate, D-cysteine, and nicotinamide adenine dinucleotide phosphate were significantly upregulated, whereas tetradecanoyl-CoA was significantly downregulated in the astheno-oligozoospermia. Spermatozoa from astheno-oligozoospermic bulls showed alterations in the metabolism of fatty acid and fatty acid elongation in mitochondria pathways, whereas seminal plasma from astheno-oligozoospermic bulls showed alterations in synthesis and degradation of ketone bodies, pyruvate metabolism, and inositol phosphate metabolism pathways. The present study revealed vital information related to semen metabolomic differences between astheno-oligozoospermic and normospermic crossbred breeding bulls. It is inferred that fatty acid synthesis and ketone body degradations are altered in the spermatozoa and seminal plasma of astheno-oligozoospermic crossbred bulls. These results open up new avenues for further research, and current findings can be applied for the modulation of identified pathways to restore sperm motility and concentration in astheno-oligozoospermic bulls.
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Affiliation(s)
- Mohua Dasgupta
- Theriogenology Laboratory, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Arumugam Kumaresan
- Theriogenology Laboratory, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Kaustubh Kishor Saraf
- Theriogenology Laboratory, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Pradeep Nag
- Theriogenology Laboratory, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Manish Kumar Sinha
- Theriogenology Laboratory, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Muhammad Aslam M. K.
- Base Farm, Kerala Veterinary and Animal Sciences University, Kolahalamedu, India
| | - Gayathree Karthikkeyan
- Centre for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - T. S. Keshava Prasad
- Centre for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Prashant Kumar Modi
- Centre for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Tirtha Kumar Datta
- Animal Genomics Laboratory, Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Karnal, India
| | - Kerekoppa Ramesha
- Dairy Production Section, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Ayyasamy Manimaran
- Dairy Production Section, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
| | - Sakthivel Jeyakumar
- Dairy Production Section, Southern Regional Station of Indian Council of Agricultural Research (ICAR)—National Dairy Research Institute, Bengaluru, India
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20
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Sengupta P, Roychoudhury S, Nath M, Dutta S. Oxidative Stress and Idiopathic Male Infertility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1358:181-204. [DOI: 10.1007/978-3-030-89340-8_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Alipour H, Duus RK, Wimmer R, Dardmeh F, Du Plessis SS, Jørgensen N, Christiansen OB, Hnida C, Nielsen HI, Van Der Horst G. Seminal plasma metabolomics profiles following long (4-7 days) and short (2 h) sexual abstinence periods. Eur J Obstet Gynecol Reprod Biol 2021; 264:178-183. [PMID: 34325212 DOI: 10.1016/j.ejogrb.2021.07.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Metabolomic profiling of seminal plasma has been suggested as a possible approach for a fast and non-invasive male infertility evaluation diagnosis. However, metabolomics profiles in normozoospermic men have not been thoroughly investigated, and the influence of ejaculation-abstinence has not been described. To provide interim reference values and find associations between the metabolomics profiles of human seminal plasma and length of ejaculation-abstinence period in normozoospermic men. STUDY DESIGN Semen samples collected after long (4-7 days) and short abstinence (2 h) from 31 normozoospermic males were assessed for routine quality parameters before the seminal plasma was separated by centrifugation. Metabolomics profiles of the seminal plasma were then determined using untargeted Nuclear Magnetic Resonance Spectroscopy. RESULTS In total, 30 metabolites were identified. Pyruvate showed a higher concentration, while fructose, acetate, choline, methanol, N-acetylglucosamine, O-acetylcarnitine, uridine, and sn-glycero-3-phosphocoline showed lower concentrations in samples collected after short abstinence (vs. long). All metabolites showed lower absolute amounts (volume × concentration) following shorter abstinence. However, the lower sperm concentration in samples collected after short abstinence resulted in higher absolute amounts of pyruvate and taurine per spermatozoa: pyruvate 1.92 (1.12-3.87) vs. 1.29 (0.83-2.62) (P < 0.001) and taurine 0.58 (0.36-0.92) vs. 0.43 (0.28-0.95) (P < 0.05) ng/106 spermatozoa. Simultaneously, there was a higher percentage of progressively motile spermatozoa in samples collected after the short abstinence. CONCLUSION The generally lower concentrations of seminal metabolites after short abstinence periods may be related to the shorter time available for secretion and collection of these metabolites by the accessory glands and the epididymides. The concomitant lower number of spermatozoa in the second ejaculate resulted in increased absolute amounts of pyruvate and taurine per spermatozoa, accompanied by increased spermatozoa motility in these samples. The simultaneous increase in percentages of motile spermatozoa and absolute amounts of pyruvate and taurine per spermatozoa after shorter abstinence might indicate that these two metabolites play a more critical role in sperm motility, which should be further investigated in future studies.
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Affiliation(s)
- H Alipour
- Department of Health Science and Technology, Regenerative Medicine Group, Aalborg University, Aalborg, Denmark.
| | - R K Duus
- Department of Health Science and Technology, Regenerative Medicine Group, Aalborg University, Aalborg, Denmark
| | - R Wimmer
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, Denmark
| | - F Dardmeh
- Department of Health Science and Technology, Regenerative Medicine Group, Aalborg University, Aalborg, Denmark
| | - S S Du Plessis
- Department of Basic Medical Sciences, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates; Division of Medical Physiology, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg, South Africa
| | - N Jørgensen
- University Department of Growth and Reproduction and International Center for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, Copenhagen, Denmark
| | - O B Christiansen
- Department of Obstetrics and Gynecology, Fertility Unit, Aalborg University Hospital, Aalborg, Denmark; Institute of Clinical Medicine, Aalborg University, Denmark
| | - C Hnida
- Department of Obstetrics and Gynecology, Fertility Unit, Aalborg University Hospital, Aalborg, Denmark
| | - H I Nielsen
- Department of Health Science and Technology, Regenerative Medicine Group, Aalborg University, Aalborg, Denmark
| | - G Van Der Horst
- Department of Medical Biosciences, University of the Western Cape, Cape Town, South Africa
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22
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Lombó M, Ruiz-Díaz S, Gutiérrez-Adán A, Sánchez-Calabuig MJ. Sperm Metabolomics through Nuclear Magnetic Resonance Spectroscopy. Animals (Basel) 2021; 11:ani11061669. [PMID: 34205204 PMCID: PMC8227655 DOI: 10.3390/ani11061669] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Proton nuclear magnetic resonance spectroscopy (1 H-NMR) is of special interest for the analysis of metabolites present in seminal plasma and spermatozoa. This metabolomic approach has been used to identify the presence of new biomarkers or their proportions in a non-invasive manner and is, therefore, an interesting tool for male fertility diagnosis. In this paper, we review current knowledge of the use of 1 H-NMR to examine sperm metabolomics in different species with special attention paid to humans and farm animals. We also describe the use of 1 H-NMR to establish a possible relationship between the mammalian diet and the presence of certain hydrophilic and lipophilic metabolites in spermatozoa. Abstract This report reviews current knowledge of sperm metabolomics analysis using proton nuclear magnetic resonance spectroscopy (1 H-NMR) with particular emphasis on human and farm animals. First, we present the benefits of NMR over other techniques to identify sperm metabolites and then describe the specific methodology required for NMR sperm analysis, stressing the importance of analyzing metabolites extracted from both the hydrophilic and lipophilic phases. This is followed by a description of advances produced to date in the use of NMR to diagnose infertility in humans and to identify metabolic differences among the sperm of mammalian herbivore, carnivore, and omnivore species. This last application of NMR mainly seeks to explore the possible use of lipids to fuel sperm physiology, contrary to previous theories that glycolysis and oxidative phosphorylation (OXPHOS) are the only sources of sperm energy. This review describes the use of NMR to identify sperm and seminal plasma metabolites as possible indicators of semen quality, and to examine the metabolites needed to maintain sperm motility, induce their capacitation, and consequently, to predict animal fertility.
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Affiliation(s)
- Marta Lombó
- Department of Animal Reproduction, INIA, Av. Puerta de Hierro, 18, 28040 Madrid, Spain; (M.L.); (S.R.-D.); (A.G.-A.)
| | - Sara Ruiz-Díaz
- Department of Animal Reproduction, INIA, Av. Puerta de Hierro, 18, 28040 Madrid, Spain; (M.L.); (S.R.-D.); (A.G.-A.)
- Mistral Fertility Clinics S.L., Clínica Tambre, 28002 Madrid, Spain
| | - Alfonso Gutiérrez-Adán
- Department of Animal Reproduction, INIA, Av. Puerta de Hierro, 18, 28040 Madrid, Spain; (M.L.); (S.R.-D.); (A.G.-A.)
| | - María-Jesús Sánchez-Calabuig
- Department of Animal Reproduction, INIA, Av. Puerta de Hierro, 18, 28040 Madrid, Spain; (M.L.); (S.R.-D.); (A.G.-A.)
- Department of Animal Medicine and Surgery, Faculty of Veterinary Science, University Complutense of Madrid, 28040 Madrid, Spain
- Correspondence:
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DasGupta M, Kumaresan A, Saraf KK, Karthikkeyan G, Prasad TSK, Modi PK, Ramesha K, Jeyakumar S, Manimaran A. Preliminary comparative deep metabolomic analysis of spermatozoa from zebu and crossbred cattle suggests associations between metabolites, sperm quality and fertility. Reprod Fertil Dev 2021; 33:427-436. [DOI: 10.1071/rd20304] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 02/15/2021] [Indexed: 12/28/2022] Open
Abstract
Poor semen quality and infertility/subfertility are more frequent in crossbred than zebu bulls. Using a high-throughput liquid chromatography–tandem mass spectrometry (LC-MS/MS)-based approach, we established the preliminary metabolomic profile of crossbred and zebu bull spermatozoa (n=3 bulls each) and identified changes in sperm metabolomics between the two groups. In all, 1732 and 1240 metabolites were detected in zebu and crossbred bull spermatozoa respectively. After excluding exogenous metabolites, 115 and 87 metabolites were found to be unique to zebu and crossbred bull spermatozoa respectively whereas 71 metabolites were common to both. In the normalised data, 49 metabolites were found to be differentially expressed between zebu and crossbred bull spermatozoa. The significantly enriched (P<0.05) pathways in spermatozoa were taurine and hypotaurine metabolism (observed metabolites taurine and hypotaurine) in zebu and glycerophospholipid metabolism (observed metabolites phosphatidylcholine, phosphatidylethanolamine and phosphatidylserine) in crossbred bulls. The abundance of nitroprusside (variable importance in projection (VIP) score >1.5) was downregulated, whereas that of l-cysteine, acetyl coenzyme A and 2′-deoxyribonucleoside 5′-diphosphate (VIP scores >1.0) was upregulated in crossbred bull spermatozoa. In conclusion, this study established the metabolomic profile of zebu and crossbred bull spermatozoa and suggests that aberrations in taurine, hypotaurine and glycerophospholipid metabolism may be associated with the higher incidence of infertility/subfertility in crossbred bulls.
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Tsili AC, Astrakas L, Sofikitis N, Argyropoulou MI. Proton MR Spectroscopy in Assessing the Biochemical Milieu of Human Testes. J Magn Reson Imaging 2020; 55:404-413. [PMID: 33128500 DOI: 10.1002/jmri.27416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/09/2020] [Accepted: 10/13/2020] [Indexed: 12/21/2022] Open
Abstract
Proton magnetic resonance spectroscopy (MRS), considered a connection between metabolism and anatomic and functional information provided by standard MRI, gives information on various tissue metabolites and their pathologic changes. Recently, proton MRS has been added as an adjunct tool to the multiparametric protocol of scrotal MRI, providing a new insight into the extremely complex biochemical milieu of normal and abnormal testes. This article reviews proton MR spectra of normal testes, showing age and bilateralism dependence. Disturbances of various metabolic pathways in testes of infertile men resulting in alterations of metabolite peaks are discussed. Preliminary data on proton MR spectra of testicular mass lesions are presented. LEVEL OF EVIDENCE: 5. TECHNICAL EFFICACY STAGE: 5.
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Affiliation(s)
- Athina C Tsili
- Department of Clinical Radiology, School of Health Sciences, Faculty of Medicine, University of Ioannina, University Campus, Ioannina, Greece
| | - Loukas Astrakas
- Department of Medical Physics, School of Health Sciences, Faculty of Medicine, University of Ioannina, University Campus, Ioannina, Greece
| | - Nikolaos Sofikitis
- Department of Urology, School of Health Sciences, Faculty of Medicine, University of Ioannina, University Campus, Ioannina, Greece
| | - Maria I Argyropoulou
- Department of Clinical Radiology, School of Health Sciences, Faculty of Medicine, University of Ioannina, University Campus, Ioannina, Greece
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Asampille G, Cheredath A, Joseph D, Adiga SK, Atreya HS. The utility of nuclear magnetic resonance spectroscopy in assisted reproduction. Open Biol 2020; 10:200092. [PMID: 33142083 PMCID: PMC7729034 DOI: 10.1098/rsob.200092] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 10/13/2020] [Indexed: 12/21/2022] Open
Abstract
Infertility affects approximately 15-20% of individuals of reproductive age worldwide. Over the last 40 years, assisted reproductive technology (ART) has helped millions of childless couples. However, ART is limited by a low success rate and risk of multiple gestations. Devising methods for selecting the best gamete or embryo that increases the ART success rate and prevention of multiple gestation has become one of the key goals in ART today. Special emphasis has been placed on the development of non-invasive approaches, which do not require perturbing the embryonic cells, as the current morphology-based embryo selection approach has shortcomings in predicting the implantation potential of embryos. An observed association between embryo metabolism and viability has prompted researchers to develop metabolomics-based biomarkers. Nuclear magnetic resonance (NMR) spectroscopy provides a non-invasive approach for the metabolic profiling of tissues, gametes and embryos, with the key advantage of having a minimal sample preparation procedure. Using NMR spectroscopy, biologically important molecules can be identified and quantified in intact cells, extracts or secretomes. This, in turn, helps to map out the active metabolic pathways in a system. The present review covers the contribution of NMR spectroscopy in assisted reproduction at various stages of the process.
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Affiliation(s)
- Gitanjali Asampille
- Department of Clinical Embryology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal 576104, India
| | - Aswathi Cheredath
- Department of Clinical Embryology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal 576104, India
| | - David Joseph
- NMR Research Centre, Indian Institute of Science, Bangalore 560012, India
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
| | - Satish K. Adiga
- Department of Clinical Embryology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal 576104, India
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Neto FTL, Marques RA, de Freitas Cavalcanti Filho A, Araujo LCN, Lima SVC, Pinto L, Silva RO. 1H NMR-based metabonomics for infertility diagnosis in men with varicocele. J Assist Reprod Genet 2020; 37:2233-2247. [PMID: 32715373 PMCID: PMC7492286 DOI: 10.1007/s10815-020-01896-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 07/16/2020] [Indexed: 02/05/2023] Open
Abstract
PURPOSE "Omics" techniques have been used to understand and to identify biomarkers of male infertility. We report on the first metabonomics models created to diagnose varicocele and infertility among men with varicocele. METHODS We recruited 35 infertile men with varicocele (VI group), 21 fertile men with varicocele (VF group) and 24 fertile men without varicocele (C group). All men underwent standard semen analysis, scrotal duplex ultrasonography, and sexual hormone level measurement. Hydrogen-1 nuclear magnetic resonance (1H NMR) spectra of seminal plasma were used to create metabonomics models to discriminate between men with and without varicocele, and between fertile and infertile men with varicocele. RESULTS Using the statistical formalisms partial least square discriminants analysis and genetic algorithm-based linear discriminant analysis (GA-LDA), we created two models that discriminated the three groups from each other with accuracy of 92.17%. We also created metabonomics models using orthogonal partial least square discriminants analysis and GA-LDA that discriminated VF group from VI group, with an accuracy of 94.64% and 100% respectively. We identified 19 metabolites that were important in group segregation: caprate, 2-hydroxy-3-methylvalerate, leucine, valine, 3-hydroxybutyrate, lactate, alanine, 4-aminobutyrate, isoleucine, citrate, methanol, glucose, glycosides, glycerol-3-phosphocoline, n-acetyltyrosine, glutamine, tyrosine, arginine, and uridine. CONCLUSIONS 1HNMR-based metabonomics of seminal plasma can be used to create metabonomics models to discriminate between men with varicocele from those without varicocele, and between fertile men with varicocele from those infertile with varicocele. Furthermore, the most important metabolites for group segregation are involved in the oxidative stress caused by varicocele.
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Affiliation(s)
- Filipe Tenorio Lira Neto
- Department of Surgery, Universidade Federal de Pernambuco, Rua Guilherme Salazar, n 150, apt 601E, Recife, PE ZIP 52061-275 Brazil
- Instituto de Medicina Integral Prof. Fernando Figueira, Rua dos Coelho, 300, Coelhos, Recife, PE ZIP 50070-902 Brazil
| | - Ronmilson Alves Marques
- Fundamental Chemistry Department, Universidade Federal de Pernambuco, Av. Jornalista Anibal Fernandes, s/n° Cidade Universitária, Recife, PE ZIP 50740-560 Brazil
| | | | | | - Salvador Vilar Correia Lima
- Department of Surgery, Universidade Federal de Pernambuco, Hospital das Clínicas - Campus UFPE, Av. Prof. Moraes Rego,”s/n° - Bloco “A” - Térreo Cidade Universitária, Recife, PE ZIP 50670-420 Brazil
| | - Licarion Pinto
- Fundamental Chemistry Department, Universidade Federal de Pernambuco, Av. Jornalista Anibal Fernandes, s/n° Cidade Universitária, Recife, PE ZIP 50740-560 Brazil
| | - Ricardo Oliveira Silva
- Fundamental Chemistry Department, Universidade Federal de Pernambuco, Av. Jornalista Anibal Fernandes, s/n° Cidade Universitária, Recife, PE ZIP 50740-560 Brazil
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Li L, Hao X, Chen H, Wang L, Chen A, Song X, Hu Z, Su Y, Lin H, Fan P. Metabolomic characterization of semen from asthenozoospermic patients using ultra-high-performance liquid chromatography-tandem quadrupole time-of-flight mass spectrometry. Biomed Chromatogr 2020; 34:e4897. [PMID: 32428267 PMCID: PMC7507193 DOI: 10.1002/bmc.4897] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 05/09/2020] [Accepted: 05/13/2020] [Indexed: 12/15/2022]
Abstract
Asthenozoospermia (AS) is a common factor of male infertility, and its pathogenesis remains unclear. The purpose of this study was to investigate the differential seminal plasma metabolic pattern in asthenozoospermic men and to identify potential biomarkers in relation to spermatogenic dysfunction using sensitive ultra-high-performance liquid chromatography-tandem quadruple time-of-flight MS (UHPLC-Q-TOF/MS). The samples of seminal plasma from patients with AS (n = 20) and healthy controls (n = 20) were checked and differentiated by UHPLC-Q-TOF/MS. Compared with the control group, the AS group showed a total of nine significantly different metabolites, including increases in creatinine, uric acid, N6 -methyladenosine (m6 A), uridine, and taurine and decreases in carnitine, nicotinamide, N-acetylputrescine and l-palmitoylcarnitine. By analyzing the correlation among these metabolites and clinical computer-assisted semen analysis reports, we found that m6 A is significantly correlated with not only the four decreased metabolites but also with sperm count, motility, and curvilinear velocity. Furthermore, nicotinamide was shown to correlate with other identified metabolites, indicating its important role in the metabolic pathway of AS. Current results implied that sensitive untargeted seminal plasma metabolomics could identify distinct metabolic patterns of AS and would help clinicians by offering novel cues for discovering the pathogenesis of male infertility.
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Affiliation(s)
- Li Li
- Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Xinrui Hao
- Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Hua Chen
- Reproductive Health Centre, Department of Obstetrics and Gynecologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Liyuan Wang
- Reproductive Health Centre, Department of Obstetrics and Gynecologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Aolei Chen
- Reproductive Health Centre, Department of Obstetrics and Gynecologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Xiaotian Song
- Reproductive Health Centre, Department of Obstetrics and Gynecologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Zhiyan Hu
- Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Ying Su
- Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Han Lin
- Zhejiang Provincial Key Laboratory of Anesthesiology, Department of Anesthesiologythe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
| | - Pei Fan
- Zhejiang Provincial Key Laboratory of Orthopedics, Department of Orthopedicsthe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
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Memili E, Moura AA, Kaya A. Metabolomes of sperm and seminal plasma associated with bull fertility. Anim Reprod Sci 2020; 220:106355. [DOI: 10.1016/j.anireprosci.2020.106355] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/16/2020] [Accepted: 03/16/2020] [Indexed: 12/16/2022]
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Boguenet M, Bocca C, Bouet PE, Serri O, Chupin S, Tessier L, Blanchet O, El Hachem H, Chao de la Barca JM, Reynier P, May-Panloup P. Metabolomic signature of the seminal plasma in men with severe oligoasthenospermia. Andrology 2020; 8:1859-1866. [PMID: 32770844 DOI: 10.1111/andr.12882] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/21/2020] [Accepted: 07/30/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Male factor is incriminated in approximately 50% of cases of infertility. The metabolomic approach has recently been used in the assessment of sperm quality and male fertility. MATERIALS AND METHODS We analyzed the metabolomic signatures of the seminal plasma in 20 men with severe oligoasthenospermia (prewash total motile sperm count < 5.106 ) (SOA) and compared it to 20 men with normal semen parameters, with a standardized approach of targeted and quantitative metabolomics using high-performance liquid chromatography, coupled with tandem mass spectrometry, and the Biocrates Absolute IDQ p180 kit. RESULTS Among the 188 metabolites analyzed, 110 were accurately measured in the seminal plasma. A robust model discriminating the two populations (Q2(cum) = 55.2%) was obtained by OPLS-DA (orthogonal partial least-squares discriminant analysis), based on the drop in concentrations of 37 metabolites with a VIP (variable important for projection) greater than 1. Overall, in men with SOA, there was a significant decrease in: 17 phosphatidylcholines and four sphingomyelins; acylcarnitines, with free L-carnitine being the most discriminating metabolite; polyunsaturated fatty acids; six amino acids (glutamate, aspartate, methionine, tryptophan, proline, and alanine); and four biogenic amines (spermine, spermidine, serotonin, and alpha-aminoadipate). DISCUSSION Our signature includes several metabolic changes with different impacts on the sperm quality: a change in phospholipid composition and the saturation of their fatty acids that is potentially linked to the deterioration of sperm membranes; a carnitine deficiency that can negatively impact the energy production via fatty acid oxidation and oxidative phosphorylation; and a decreased level of amino acids and biogenic amines that can lead to dysregulated metabolic and signaling pathways. CONCLUSION We provide a global overview of the metabolic defects contributing to the structural and functional alteration of spermatozoa in severe oligoasthenospermia. These findings offer new insights into the pathophysiology of male factor infertility that could help to develop future specific treatments.
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Affiliation(s)
- Magalie Boguenet
- Unité Mixte de Recherche MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Cinzia Bocca
- Unité Mixte de Recherche MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France
| | - Pierre-Emmanuel Bouet
- Unité Mixte de Recherche MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France.,Department de Médecine de la Reproduction, Centre Hospitalier Universitaire, Angers, France
| | - Orianne Serri
- Department de Médecine de la Reproduction, Centre Hospitalier Universitaire, Angers, France
| | - Stéphanie Chupin
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France
| | - Lydie Tessier
- Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France
| | - Odile Blanchet
- CRB - BB-0033-00038,, Centre Hospitalier Universitaire, Angers, France
| | - Hady El Hachem
- Department of Reproductive Medicine, Saint Joseph Fertility Center, Beirut, Lebanon
| | - Juan Manuel Chao de la Barca
- Unité Mixte de Recherche MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France.,Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France
| | - Pascal Reynier
- Unité Mixte de Recherche MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France.,Département de Biochimie et Génétique, Centre Hospitalier Universitaire, Angers, France
| | - Pascale May-Panloup
- Unité Mixte de Recherche MITOVASC, Centre National de la Recherche Scientifique (CNRS) 6015, Institut National de la Santé et de la Recherche Médicale (INSERM) U1083, Université d'Angers, Angers, France.,Department de Médecine de la Reproduction, Centre Hospitalier Universitaire, Angers, France
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Panner Selvam MK, Finelli R, Agarwal A, Henkel R. Proteomics and metabolomics - Current and future perspectives in clinical andrology. Andrologia 2020; 53:e13711. [PMID: 32598566 DOI: 10.1111/and.13711] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/17/2020] [Accepted: 05/19/2020] [Indexed: 12/12/2022] Open
Abstract
Proteomics and metabolomics are emerging as promising tools to investigate the molecular mechanisms associated with male infertility. Proteins and metabolites play a pivotal role in regulating the molecular pathways associated with physiological functions of spermatozoa. Semen analysis, physical examination and laboratory work up cannot identify the etiology of infertility in 30%-40% of cases, which are classified as idiopathic. Therefore, the application of proteomics and metabolomics in the field of andrology will aid to overcome the limitations of the standard semen analysis. Understanding the molecular pathways associated with male infertility will help in planning ad hoc treatments, contributing to the clinical management of infertile patients. In this review, proteomics and metabolomics studies on spermatozoa and seminal plasma are discussed with a focus on molecular biomarkers associated with male infertility-related conditions.
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Affiliation(s)
| | - Renata Finelli
- 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 Medical Bioscience, University of the Western Cape, Bellville, South Africa
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Yu L, Yang X, Ma B, Ying H, Shang X, He B, Zhang Q. Abnormal arachidonic acid metabolic network may reduce sperm motility via P38 MAPK. Open Biol 2020; 9:180091. [PMID: 31014201 PMCID: PMC6501647 DOI: 10.1098/rsob.180091] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Asthenozoospermia is a common cause of male infertility, the aetiology of which remains unclear in 50–60% of cases. The current study aimed to characterize metabolic alterations in asthenozoospermic seminal plasma and to explore the signalling pathways involved in sperm motility regulation. At first, high-performance liquid chromatography–electrospray ionization–tandem mass spectrometry was used to detect the targeted metabolic network of arachidonic acid (AA). Metabolomic multivariate data analysis showed significant distinction of AA metabolites between asthenozoospermic and healthy seminal plasma. AA as well as its lipoxygenase (LOX) and cytochrome P450 metabolites were found to be abnormally increased, while cyclooxygenase (COX) metabolites were complicatedly disturbed in asthenozoospermic volunteers compared with those in healthy ones. In vitro experiments and western blot analysis of sperm cells revealed a decrease in sperm motility and upregulation of sperm phosphor-P38 induced by AA. P38 inhibitor could increase AA-reduced sperm motility. Also, all the inhibitors of the three metabolic pathways of AA could block AA-induced P38 mitogen-activated protein kinase (MAPK) activation and further improve sperm motility. We report here for the first time that an abnormal AA metabolic network could reduce sperm motility via P38 MAPK activation through the LOX, cytochrome P450 and COX metabolic pathways, which might be an underlying pathomechanism of asthenozoospermia.
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Affiliation(s)
- Lisha Yu
- 1 College of Pharmaceutical Sciences, Nanjing Tech University , Nanjing 210009 , People's Republic of China
| | - Xiaojing Yang
- 1 College of Pharmaceutical Sciences, Nanjing Tech University , Nanjing 210009 , People's Republic of China
| | - Bo Ma
- 1 College of Pharmaceutical Sciences, Nanjing Tech University , Nanjing 210009 , People's Republic of China
| | - Hanjie Ying
- 2 College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University , Nanjing 211816 , People's Republic of China
| | - Xuejun Shang
- 3 Department of Andrology, Jinling Hospital, School of Medicine, Nanjing University , Nanjing 210002 , People's Republic of China
| | - Bingfang He
- 1 College of Pharmaceutical Sciences, Nanjing Tech University , Nanjing 210009 , People's Republic of China
| | - Qi Zhang
- 1 College of Pharmaceutical Sciences, Nanjing Tech University , Nanjing 210009 , People's Republic of China
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Murgia F, Corda V, Serrenti M, Usai V, Santoru ML, Hurt KJ, Passaretti M, Monni MC, Atzori L, Monni G. Seminal Fluid Metabolomic Markers of Oligozoospermic Infertility in Humans. Metabolites 2020; 10:metabo10020064. [PMID: 32053951 PMCID: PMC7074256 DOI: 10.3390/metabo10020064] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/05/2020] [Accepted: 02/07/2020] [Indexed: 12/16/2022] Open
Abstract
Infertility affects 12–15% of couples worldwide, and male factors are the cause of nearly half of all cases. Studying seminal fluid composition could lead to additional diagnostic accuracy and a better understanding of the pathophysiology of male factor infertility. Metabolomics offers a new opportunity to evaluate biomarkers and better understand pathological mechanisms. The aim of the study was to identify new markers or therapeutic targets to improve outcomes in male factor or idiopathic infertility patients. Semen samples were obtained from 29 men with a normal spermogram test, and from 18 oligozoospermic men. Samples were processed and analyzed by Nuclear Magnetic Resonance spectroscopy and, subsequently, multivariate and univariate statistical analyses. Receiving Operator Curves (ROC) and Spearman correlations were also performed. An Orthogonal Partial Least Square Discriminant Analysis supervised multivariate model was devised to compare the groups. The levels of fructose, myo-inositol, aspartate and choline were altered. Moreover, Spearman Correlation associated fructose, aspartate and myo-inositol with the total amount of spermatozoa, total motile spermatozoa, % of immotility and % of “in situ” spermatozoic motility respectively. NMR-based metabolomics allowed the identification of a specific metabolic fingerprint of the seminal fluids of patients affected by oligozoospermia.
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Affiliation(s)
- Federica Murgia
- Clinical Metabolomics Unit, Department of Biomedical Sciences, University of Cagliari, 09121 Cagliari, Italy; (F.M.); (M.L.S.); (M.P.); (L.A.)
| | - Valentina Corda
- Department of Prenatal and Preimplantation Genetic Diagnosis and Fetal Therapy, Ospedale Pediatrico Microcitemico “A.Cao”, 09121 Cagliari, Italy; (V.C.); (M.S.); (V.U.); (M.C.M.)
| | - Marianna Serrenti
- Department of Prenatal and Preimplantation Genetic Diagnosis and Fetal Therapy, Ospedale Pediatrico Microcitemico “A.Cao”, 09121 Cagliari, Italy; (V.C.); (M.S.); (V.U.); (M.C.M.)
| | - Valeria Usai
- Department of Prenatal and Preimplantation Genetic Diagnosis and Fetal Therapy, Ospedale Pediatrico Microcitemico “A.Cao”, 09121 Cagliari, Italy; (V.C.); (M.S.); (V.U.); (M.C.M.)
| | - Maria Laura Santoru
- Clinical Metabolomics Unit, Department of Biomedical Sciences, University of Cagliari, 09121 Cagliari, Italy; (F.M.); (M.L.S.); (M.P.); (L.A.)
| | - K. Joseph Hurt
- Divisions of Maternal Fetal Medicine and Reproductive Sciences, Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA;
| | - Mauro Passaretti
- Clinical Metabolomics Unit, Department of Biomedical Sciences, University of Cagliari, 09121 Cagliari, Italy; (F.M.); (M.L.S.); (M.P.); (L.A.)
| | - Maria Carla Monni
- Department of Prenatal and Preimplantation Genetic Diagnosis and Fetal Therapy, Ospedale Pediatrico Microcitemico “A.Cao”, 09121 Cagliari, Italy; (V.C.); (M.S.); (V.U.); (M.C.M.)
| | - Luigi Atzori
- Clinical Metabolomics Unit, Department of Biomedical Sciences, University of Cagliari, 09121 Cagliari, Italy; (F.M.); (M.L.S.); (M.P.); (L.A.)
| | - Giovanni Monni
- Department of Prenatal and Preimplantation Genetic Diagnosis and Fetal Therapy, Ospedale Pediatrico Microcitemico “A.Cao”, 09121 Cagliari, Italy; (V.C.); (M.S.); (V.U.); (M.C.M.)
- Correspondence:
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Chen L, Wen CW, Deng MJ, Ping-Li, Zhang ZD, Zhou ZH, Wang X. Metabolic and transcriptional changes in seminal plasma of asthenozoospermia patients. Biomed Chromatogr 2020; 34:e4769. [PMID: 31808565 DOI: 10.1002/bmc.4769] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/16/2019] [Accepted: 12/02/2019] [Indexed: 01/11/2023]
Abstract
This study was designed to investigate the metabolic and transcriptional alterations in seminal fluid caused by asthenozoospermia (AS). To address these issues, a method of metabonomics based on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) and real-time quantitative PCR (RT-qPCR) was performed to identify some crucial biomarkers and transcription levels of the enzymes in seminal fluid. Seminal fluid samples were collected from 87 AS patients and 73 healthy males with normozoospermia. The quantitative analysis by UPLC-MS/MS showed that 19 metabolites in seminal plasma were associated with AS, and they were involved in several metabolic pathways, such as energy metabolism, purine metabolism, methionine cycle, and branched chain amino acid metabolism. Among these metabolites, the levels of citric acid, malic acid, succinic acid, and pyruvic acid, which are related to energy metabolism, were collectively reduced in the AS group, whereas the lactic acid level was enhanced. These results indicated that lesser energy source (adenosine triphosphate) was produced through the anaerobic glycolysis pathway rather than via aerobic catabolism of suger and tricarboxylic acid cycle, resulting in reduced power of sperms. Meanwhile, partial least squares discriminant analysis showed significant differences in metabolic profiles between the AS and control groups. In addition, RT-qPCR results revealed that the expression levels of four genes encoding fructokinase citrate synthase, succinate dehydrogenase, and spermine synthase, which were related to energy metabolism, were decreased in the AS group. The 23 descriptors with differential expression in AS may be valuable for the diagnosis and sequential study on AS. These results will help highlight the role of sperm inactivity in AS pathogenesis.
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Affiliation(s)
- Lianguo Chen
- The Third Clinical Institute Affiliated with Wenzhou Medical University & Wenzhou People's Hospital, Wenzhou, China
| | - Chao-Wei Wen
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Ming-Jie Deng
- Analytical and Testing Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Ping-Li
- Analytical and Testing Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zhi-Da Zhang
- Analytical and Testing Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Zhuo-Hua Zhou
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xianqin Wang
- Analytical and Testing Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
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Mehrparvar B, Chashmniam S, Nobakht F, Amini M, Javidi A, Minai-Tehrani A, Arjmand B, Gilany K. Metabolic profiling of seminal plasma from teratozoospermia patients. J Pharm Biomed Anal 2020; 178:112903. [DOI: 10.1016/j.jpba.2019.112903] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/28/2019] [Accepted: 09/30/2019] [Indexed: 10/25/2022]
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36
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Huang Q, Liu L, Wu Y, Wang X, Luo L, Nan B, Zhang J, Tian M, Shen H. Seminal plasma metabolites mediate the associations of multiple environmental pollutants with semen quality in Chinese men. ENVIRONMENT INTERNATIONAL 2019; 132:105066. [PMID: 31394396 DOI: 10.1016/j.envint.2019.105066] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/03/2019] [Accepted: 07/28/2019] [Indexed: 05/25/2023]
Abstract
Environmental exposure to arsenic, phthalate esters (PAEs) and perfluorinated compounds (PFCs) has been associated with human semen quality. However, the epidemiological "black-box" of these associations remains poorly uncovered. In this study, based on the association analysis between arsenic, PAE and PFC exposure and semen quality parameters (i.e., semen volume, sperm concentration, sperm count, progressive motility, total motility and normal morphology) in a Chinese male population, we explored the seminal plasma metabolic signatures that may mediate the exposure-outcome relations by using the meet-in-metabolite-analysis (MIMA) approach. As a result, a negative association was found between DMA and sperm concentration, whereas MEHP and PFHxS were positively associated with sperm count and concentration, respectively. Metabolomics analysis revealed that sixteen and twenty-two seminal plasma metabolites were related to sperm concentration and count, respectively, and they are mainly involved in fatty acid, lipid and amino acid metabolism. Moreover, it was further indicated that eicosatetraenoate, carnitines and DHA may impact the inverse association between DMA and sperm concentration, while eicosatetraenoate, carnitines, DHA, PGB2 and tocotrienol are possible mediators of the positive association between PFHxS and sperm concentration. As these metabolic biomarkers are relevant to antioxidation and fatty acid β-oxidation, we suggest that redox balance and energy generation shifts in seminal plasma are involved in the association of human semen quality with environmental DMA and PFHxS exposure.
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Affiliation(s)
- Qingyu Huang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
| | - Liangpo Liu
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yan Wu
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Xiaofei Wang
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Lianzhong Luo
- Xiamen Key Laboratory of Marine Medical Natural Products Resources, Xiamen Medical College, Xiamen 361023, China
| | - Bingru Nan
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Jie Zhang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Meiping Tian
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Heqing Shen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University, Xiamen 361102, China; Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
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Lopalco P, Vitale R, Cho YS, Totaro P, Corcelli A, Lobasso S. Alteration of Cholesterol Sulfate/Seminolipid Ratio in Semen Lipid Profile of Men With Oligoasthenozoospermia. Front Physiol 2019; 10:1344. [PMID: 31736776 PMCID: PMC6828844 DOI: 10.3389/fphys.2019.01344] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 10/10/2019] [Indexed: 12/11/2022] Open
Abstract
The reduction of sperm motility and count, or oligoasthenozoospermia, is one of the major causes of reduced fertility or infertility in men. Lipid composition of spermatozoa is important in determining their functional characteristics, in particular on motility, acrosomal exocytosis or fusogenic properties of the sperm. Here we investigated the levels of semen lipids in 11 infertile patients with severe oligoasthenozoospermia and 9 normozoospermic subjects with normal motility values. Sperm polar and neutral lipids were analyzed by thin-layer chromatography (TLC) and matrix-assisted laser desorption and ionization time-of-flight mass spectrometry (MALDI-TOF/MS). Semen of patients with oligoasthenozoospermia showed a reduction of the degree of fatty acid unsaturation in the phospholipids chains that might affect the membrane fluidity. Furthermore, a significant higher cholesterol sulfate/seminolipid ratio was found in semen of oligoasthenozoospermic patients than in subjects with normal motility values, suggesting a critical role of sulfolipids in semen quality. The results may facilitate the understanding of the role of lipids on male fertility and offer interesting perspectives to find innovative treatments for oligoasthenozoospermia.
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Affiliation(s)
- Patrizia Lopalco
- Department of Basic Medical Sciences, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
| | - Rita Vitale
- Department of Basic Medical Sciences, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
| | - Yoon Sung Cho
- Centre for Medically Assisted Procreation, Santa Maria Hospital, Bari, Italy
| | - Pasquale Totaro
- Centre for Medically Assisted Procreation, Santa Maria Hospital, Bari, Italy
| | - Angela Corcelli
- Department of Basic Medical Sciences, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
| | - Simona Lobasso
- Department of Basic Medical Sciences, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
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Mumcu A, Karaer A, Dogan B, Tuncay G. Metabolomics analysis of seminal plasma in patients with idiopathic Oligoasthenoteratozoospermia using high-resolution NMR spectroscopy. Andrology 2019; 8:450-456. [PMID: 31520509 DOI: 10.1111/andr.12707] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/08/2019] [Accepted: 09/10/2019] [Indexed: 01/29/2023]
Abstract
BACKGROUND Male infertility is a global health issue caused by a combination of different factors. Specialists generally rely on semen analysis to diagnose male infertility. However, it is known that diagnostic semen analysis fails to identify about 50% of male infertility disorders. Recently, metabolomics has been proven to be a powerful technique for the diagnosis of different diseases. OBJECTIVE To determine whether metabolites could be used as potential biomarkers for the diagnosis of male factor infertility through comparing seminal plasma samples from infertile men with oligoasthenoteratozospermia (OAT) and samples from normozoospermic controls. MATERIALS AND METHODS This study utilized high-resolution 1 H NMR spectroscopy to reveal whether the metabolomic changes of seminal plasma obtained from 31 patients with oligoasthenoteratozospermia (OAT) are different from the ones obtained from 28 normozoospermic controls. RESULTS Multivariate statistical analysis of NMR data concluded that the metabolomic profile of samples from patients with OAT exhibits statistically significant differences when compared to the controls. The differences were based on the metabolites lactate, citrate, lysine, arginine, valine, glutamine, creatinine, α-ketoglutaric acid, spermine, putrescine, and tyrosine. Except the tyrosine, levels of the above metabolites were significantly decreased in patients with OAT compared to the controls. The levels of citrate, choline, spermine, putrescine, α-ketoglutaric acid, valine, and tyrosine were significantly different (p < 5 × 10-4 ) between two groups. On the other hand, levels of lactate, creatinine, lysine, arginine, and glutamine were also statistically significant (0.001 < p < 0.05). However, considering the p-values, the physiological relevance of these metabolites may be lower when compared to the others. A PLS-DA model built on the NMR data achieved 89.29% sensitivity and 93.55% specificity results in a leave-one-out cross-validation process. DISCUSSION AND CONCLUSION 1 H NMR spectroscopy-based metabolomic analysis could be used as a diagnostic tool for the diagnosis of oligoasthenoteratozospermia.
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Affiliation(s)
- A Mumcu
- Laboratory of NMR, Scientific and Technological Research Center, Inonu University, Malatya, Turkey
| | - A Karaer
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, School of Medicine, Inonu University, Malatya, Turkey
| | - B Dogan
- Department of Biomedical Engineering, School of Engineering, Inonu University, Malatya, Turkey
| | - G Tuncay
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, School of Medicine, Inonu University, Malatya, Turkey
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Wu Q, Xu Y, Ji H, Wang Y, Zhang Z, Lu H. Enhancing coverage in LC–MS-based untargeted metabolomics by a new sample preparation procedure using mixed-mode solid-phase extraction and two derivatizations. Anal Bioanal Chem 2019; 411:6189-6202. [DOI: 10.1007/s00216-019-02010-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/23/2019] [Accepted: 07/01/2019] [Indexed: 12/20/2022]
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40
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Wang YX, Wu Y, Chen HG, Duan P, Wang L, Shen HQ, Lu WQ, Sun B, Wang Q, Zhang B, Chavarro JE, Zhang J, Pan A. Seminal plasma metabolome in relation to semen quality and urinary phthalate metabolites among Chinese adult men. ENVIRONMENT INTERNATIONAL 2019; 129:354-363. [PMID: 31150977 DOI: 10.1016/j.envint.2019.05.043] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 04/22/2019] [Accepted: 05/16/2019] [Indexed: 05/21/2023]
Abstract
BACKGROUND A growing body of evidence has found links between endocrine disruptor phthalates and male reproductive disorders, but the mechanisms underlying these relationships are poorly known. Seminal plasma metabolomes may mediate associations of phthalate exposure with impaired semen quality. OBJECTIVE To identify seminal plasma metabolomes associated with poor semen quality and evaluate their associations with urinary phthalate metabolites among 660 Chinese adult men. METHOD The seminal plasma metabolic profiles were acquired using an untargeted approach based on liquid chromatography-high resolution mass spectrometry. We explored the differences in seminal plasma metabolites between participants with poor and good semen quality and evaluated cross-sectional associations between discriminatory metabolic biomarkers and urinary phthalate metabolites. RESULTS Differences between poor and good semen quality groups were observed in relation to 25 seminal plasma metabolites, mostly related to the metabolism of polyunsaturated fatty acids (PUFA) and acylcarnitine (all p < 0.05). After adjusting for various confounders and multiple tests, metabolites were all significantly associated with one or more individual sperm quality parameters (motility, concentration, total count, and morphology) (all p < 0.05). Among identified metabolic biomarkers, seminal plasma L-palmitoylcarnitine, linoelaidyl carnitine, and oleic acid were inversely associated with urinary mono-(2-ethylhexyl) phthalate (MEHP), and seminal plasma L-acetylcarnitine was inversely associated with the proportion of di-(2-ethylhexyl)-phthalate metabolites (DEHP) excreted as MEHP in urine (%MEHP) (all p < 0.05). Mediation analysis revealed that oleic acid and L-acetylcarnitine mediated significant proportions (6.7% and 17%, respectively) of the positive associations between urinary DEHP metabolites and the percentage of spermatozoa with an abnormal head. CONCLUSIONS Elevated urinary phthalate metabolites may impact semen quality by causing metabolic disorders of seminal plasma PUFAs and acylcarnitine. These pathways warrant further investigation.
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Affiliation(s)
- Yi-Xin Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Departments of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Yan Wu
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China
| | - Heng-Gui Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Peng Duan
- Center for Reproductive Medicine, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, China
| | - Liang Wang
- Departments of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Biostatistics and Epidemiology, College of Public Health, East Tennessee State University, Johnson City, TN, USA
| | - He-Qing Shen
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China
| | - Wen-Qing Lu
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bin Sun
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Wang
- Department of Pathology, Bengbu Medical College, Anhui, China
| | - Bo Zhang
- Departments of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Biochemistry, Fukuoka University School of Medicine, Fukuoka, Japan
| | - Jorge E Chavarro
- Departments of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Jie Zhang
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China; School of Public Health, Xiamen University, Xiamen, China.
| | - An Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Engel KM, Baumann S, Rolle-Kampczyk U, Schiller J, von Bergen M, Grunewald S. Metabolomic profiling reveals correlations between spermiogram parameters and the metabolites present in human spermatozoa and seminal plasma. PLoS One 2019; 14:e0211679. [PMID: 30785892 PMCID: PMC6382115 DOI: 10.1371/journal.pone.0211679] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 01/20/2019] [Indexed: 01/07/2023] Open
Abstract
In 50% of all infertility cases, the male is subfertile or infertile, however, the underlying mechanisms are often unknown. Even when assisted reproductive procedures such as in vitro fertilization and intracytoplasmic sperm injection are performed, the causes of male factor infertility frequently remain elusive. Since the overall activity of cells is closely linked to their metabolic capacity, we analyzed a panel of 180 metabolites in human sperm and seminal plasma and elucidated their associations with spermiogram parameters. Therefore, metabolites from a group of 20 healthy donors were investigated using a targeted LC-MS/MS approach. The correlation analyses of the amino acids, biogenic amines, acylcarnitines, lysophosphatidylcholines, phosphatidylcholines, sphingomyelins and sugars from sperm and seminal plasma with standard spermiogram parameters revealed that metabolites in sperm are closely related to sperm motility, whereas those in seminal plasma are closely related to sperm concentration and morphology. This study provides essential insights into the metabolome of human sperm and seminal plasma and its associations with sperm functions. This metabolomics technique could be a promising screening tool to detect the factors of male infertility in cases where the cause of infertility is unclear.
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Affiliation(s)
- Kathrin M. Engel
- Training Center of the European Academy of Andrology (EAA), Dermatology, Venerology and Allergology Clinic, University Hospital Leipzig, Leipzig, Germany
- Institute of Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Sven Baumann
- Department of Molecular Systems Biology, Helmholtz Centre for Environmental Research – UFZ, Leipzig, Germany
| | - Ulrike Rolle-Kampczyk
- Department of Molecular Systems Biology, Helmholtz Centre for Environmental Research – UFZ, Leipzig, Germany
| | - Jürgen Schiller
- Institute of Medical Physics and Biophysics, Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Martin von Bergen
- Department of Molecular Systems Biology, Helmholtz Centre for Environmental Research – UFZ, Leipzig, Germany
- Institute of Biochemistry, Faculty of Life Sciences, University of Leipzig, Leipzig, Germany
| | - Sonja Grunewald
- Training Center of the European Academy of Andrology (EAA), Dermatology, Venerology and Allergology Clinic, University Hospital Leipzig, Leipzig, Germany
- * E-mail:
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Longo V, Forleo A, Provenzano SP, Coppola L, Zara V, Ferramosca A, Siciliano P, Capone S. HS-SPME-GC-MS metabolomics approach for sperm quality evaluation by semen volatile organic compounds (VOCs) analysis. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aaeb07] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Ghandehari-Alavijeh R, Zohrabi D, Tavalaee M, Nasr-Esfahani MH. Association between expression of TNF-α, P53 and HIF1α with asthenozoospermia. HUM FERTIL 2018; 22:145-151. [PMID: 30222022 DOI: 10.1080/14647273.2018.1493750] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Reduced sperm motility (asthenozoospermia) accounts for a significant percentage of male infertility and numerous factors have been suggested to explain this phenomenon among which hypoxic and inflammatory markers are the least studied. Therefore, the aim of this study was to assess the main molecular markers involved in hypoxia (P53 and HIF-1α) and inflammation (TNF-α) pathways in infertile men with asthenozoospermia. Expression of these markers were assessed by qRT-PCR, and analysis of data show that mean of hypoxia markers (P53, HIF-1α) and also TNF- α were significantly higher in infertile men with asthenozoospermia compared to fertile men (p < 0.05). Unlike TNF-α, significant negative correlations were observed between expression of P53 (r = -0.568; p = 0.002) and HIF-1α (r = -0.403; p = 0.046) with sperm motility. In addition, a significant negative correlation was observed between expression of P53 with sperm concentration (r = -0.576; p < 0.001). In addition, a significant positive correlation was observed between hypoxia markers (P53, HIF-1α) and TNF-α (p < 0.01). However, no significant relation was observed between TNF-α and semen parameters. Taken together, the results of this study suggest the involvement of hypoxia pathway is more pronounced than the inflammatory pathway in asthenozoospermia.
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Affiliation(s)
- Rana Ghandehari-Alavijeh
- a Department of Reproductive Biotechnology , Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR , Isfahan , Iran
| | - Dina Zohrabi
- b Department of Biology, Faculty of Science , NourDanesh Institute of Higher Education , Isfahan , Iran
| | - Marziyeh Tavalaee
- a Department of Reproductive Biotechnology , Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR , Isfahan , Iran
| | - Mohammad Hossein Nasr-Esfahani
- a Department of Reproductive Biotechnology , Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR , Isfahan , Iran.,c Isfahan Fertility and Infertility Center , Isfahan , Iran
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Phenotypic varieties of sperm pathology: Genetic abnormalities or environmental influences can result in different patterns of abnormal spermatozoa. Anim Reprod Sci 2018; 194:41-56. [PMID: 29753534 DOI: 10.1016/j.anireprosci.2018.04.074] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 04/13/2018] [Accepted: 04/13/2018] [Indexed: 11/24/2022]
Abstract
The present paper reviews in detail ultrastructural and molecular studies addressed to characterize different phenotypes of sperm pathology in sterile men. In each case ultrastructural, immunocytochemical, molecular and genetic information is provided to differentiate two main kinds of sperm pathologies: systematic phenotypes with known or suspected genetic origin and non-systematic ones, usually secondary to different pathologies of the male reproductive system. Special attention is paid to detailed ultrastructural features profusely illustrated with electron micrographs. Diagnostic and fertility prognostic values of these phenotypes are also discussed and, when possible, comparison with similar pathologies in mammals and birds are discussed.
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45
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Velho ALC, Menezes E, Dinh T, Kaya A, Topper E, Moura AA, Memili E. Metabolomic markers of fertility in bull seminal plasma. PLoS One 2018; 13:e0195279. [PMID: 29634739 PMCID: PMC5892889 DOI: 10.1371/journal.pone.0195279] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 03/19/2018] [Indexed: 12/27/2022] Open
Abstract
Metabolites play essential roles in biological systems, but detailed identities and significance of the seminal plasma metabolome related to bull fertility are still unknown. The objectives of this study were to determine the comprehensive metabolome of seminal plasma from Holstein bulls and to ascertain the potential of metabolites as biomarkers of bull fertility. The seminal plasma metabolome from 16 Holstein bulls with two fertility rates were determined by gas chromatography-mass spectrometry (GC-MS). Multivariate and univariate analyses of the data were performed, and the pathways associated with the seminal plasma metabolome were identified using bioinformatics approaches. Sixty-three metabolites were identified in the seminal plasma of all bulls. Fructose was the most abundant metabolite in the seminal fluid, followed for citric acid, lactic acid, urea and phosphoric acid. Androstenedione, 4-ketoglucose, D-xylofuranose, 2-oxoglutaric acid and erythronic acid represented the least predominant metabolites. Partial-Least Squares Discriminant Analysis (PLSDA) revealed a distinct separation between high and low fertility bulls. The metabolites with the greatest Variable Importance in Projection score (VIP > 2) were 2-oxoglutaric acid and fructose. Heat-map analysis, based on VIP score, and univariate analysis indicated that 2-oxoglutaric acid was less (P = 0.02); whereas fructose was greater (P = 0.02) in high fertility than in low fertility bulls. The current study is the first to describe the metabolome of bull seminal plasma using GC-MS and presented metabolites such as 2-oxoglutaric acid and fructose as potential biomarkers of bull fertility.
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Affiliation(s)
- Ana Luiza Cazaux Velho
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, MS, United States of America
- Department of Animal Sciences, Federal University of Ceara, Fortaleza, Ceara, Brazil
| | - Erika Menezes
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, MS, United States of America
| | - Thu Dinh
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, MS, United States of America
| | - Abdullah Kaya
- Alta Genetic Inc., Watertown, WI, United States of America
- Department of Reproduction and Artificial Insemination, Selcuk University, Konya, Turkey
| | - Einko Topper
- Alta Genetic Inc., Watertown, WI, United States of America
| | - Arlindo Alencar Moura
- Department of Animal Sciences, Federal University of Ceara, Fortaleza, Ceara, Brazil
| | - Erdogan Memili
- Department of Animal and Dairy Sciences, Mississippi State University, Mississippi State, MS, United States of America
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Metabolomic Profiling of Human Spermatozoa in Idiopathic Asthenozoospermia Patients Using Gas Chromatography-Mass Spectrometry. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8327506. [PMID: 29682560 PMCID: PMC5851030 DOI: 10.1155/2018/8327506] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 01/23/2018] [Indexed: 01/01/2023]
Abstract
The purpose of this study was to describe the first metabolic profile of human sperm cells through the application of an untargeted platform based on gas chromatography-mass spectrometry (GC-MS). Sperm cell samples from patients diagnosed with idiopathic asthenozoospermia (n = 30) and healthy subjects (n = 30) were analyzed using a nontargeted metabolomics method based on GC-MS spectroscopy. The mass spectrometric data were collected using multivariate and univariate analyses to identify metabolites related to idiopathic asthenozoospermia. By using metabolomic strategies, we identified 33 metabolites, 27 of which were decreased in the idiopathic asthenozoospermia group compared with the normozoospermic group and six were increased in idiopathic asthenozoospermia. With respect to human sperm cells, some of these metabolites are reported here for the first time. Pathways for nucleoside, amino acid and energy metabolism, and the Krebs cycle were disturbed and were associated with idiopathic asthenozoospermia. The metabolic profiling provides an important first step in studying the pathophysiological mechanisms involved in IAS, and the identified metabolites may become potential biomarkers for its diagnosis and treatment.
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Thanaboonyawat I, Chantrapanichkul P, Petyim S, Kaewjunun C, Laokirkkiat P, Choavaratana R. Application of testosterone supplementation in semen to improve sperm motility in asthenozoospermic males. Arch Gynecol Obstet 2017; 296:589-596. [PMID: 28707057 DOI: 10.1007/s00404-017-4451-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 06/26/2017] [Indexed: 01/02/2023]
Abstract
PURPOSE To evaluate the effect of different concentrations and durations of seminal testosterone supplementation upon the motility of sperm from asthenozoospermic males. METHODS Semen was collected from 41 infertile men with asthenozoospermia. After liquefaction, 200 μL was extracted from each semen sample and divided equally into five groups for a negative control, a vehicle control, and three experimental portions mixed with 4.75, 7.75, and 17.75 nmol/L of testosterone, respectively. The sperm motility was evaluated at 5, 15, 30, and 45 min following the addition of testosterone. The supernatant from remaining samples were sent for testosterone assay. Sperm viability was also evaluated after 45 min. RESULTS There was no difference in the number of samples in each group which showed a 20% improvement in sperm motility. Group 3 showed a significant retardation in the reduction of motility compared with Group 5 (P < 0.05). Semen samples with a final testosterone concentration of 4.51-10 nmol/L showed a significant improvement in sperm motility when measured 5 min after addition. In contrast, samples showing a rise in testosterone level above 10 nmol/L were associated with a reduction in both sperm motility and viability. CONCLUSION Despite sperm motility decreasing over time, supplementation of semen samples with 4.75 nmol/L of testosterone could delay such reduction. A final seminal testosterone concentration of 4.51-10 nmol/L appears to be optimal for the best sperm motility.
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Affiliation(s)
- Isarin Thanaboonyawat
- Infertility and Reproductive Biology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Panicha Chantrapanichkul
- Infertility and Reproductive Biology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Somsin Petyim
- Infertility and Reproductive Biology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand.
| | - Chidchanok Kaewjunun
- Infertility and Reproductive Biology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Pitak Laokirkkiat
- Infertility and Reproductive Biology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Roungsin Choavaratana
- Infertility and Reproductive Biology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
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Jodar M, Soler-Ventura A, Oliva R. Semen proteomics and male infertility. J Proteomics 2017; 162:125-134. [DOI: 10.1016/j.jprot.2016.08.018] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 07/08/2016] [Accepted: 08/25/2016] [Indexed: 12/18/2022]
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Zhang Z, Zhang Y, Liu C, Zhao M, Yang Y, Wu H, Zhang H, Lin H, Zheng L, Jiang H. Serum Metabolomic Profiling Identifies Characterization of Non-Obstructive Azoospermic Men. Int J Mol Sci 2017; 18:ijms18020238. [PMID: 28125052 PMCID: PMC5343775 DOI: 10.3390/ijms18020238] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 01/10/2017] [Accepted: 01/12/2017] [Indexed: 12/22/2022] Open
Abstract
Male infertility is considered a common health problem, and non-obstructive azoospermia with unclear pathogenesis is one of the most challenging tasks for clinicians. The objective of this study was to investigate the differential serum metabolic pattern in non-obstructive azoospermic men and to determine potential biomarkers related to spermatogenic dysfunction. Serum samples from patients with non-obstructive azoospermia (n = 22) and healthy controls (n = 31) were examined using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). Serum metabolomic profiling could differentiate non-obstructive azoospermic patients from healthy control subjects. A total of 24 metabolites were screened and identified as potential markers, many of which are involved in energy production, oxidative stress and cell apoptosis in spermatogenesis. Moreover, the results showed that various metabolic pathways, including d-glutamine and d-glutamate metabolism, taurine and hypotaurine metabolism, pyruvate metabolism, the citrate cycle and alanine, aspartate and glutamate metabolism, were disrupted in patients with non-obstructive azoospermia. Our results indicated that the serum metabolic disorders may contribute to the etiology of non-obstructive azoospermia. This study suggested that serum metabolomics could identify unique metabolic patterns of non-obstructive azoospermia and provide novel insights into the pathogenesis underlying male infertility.
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Affiliation(s)
- Zhe Zhang
- Department of Urology, Peking University Third Hospital, Beijing 100191, China.
| | - Yingwei Zhang
- Department of Nephrology, General Hospital of Jinan Military, Jinan 250000, China.
| | - Changjie Liu
- The Institute of Cardiovascular Sciences, the Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing 100191, China.
| | - Mingming Zhao
- The Institute of Cardiovascular Sciences, the Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing 100191, China.
| | - Yuzhuo Yang
- Department of Urology, Peking University Third Hospital, Beijing 100191, China.
| | - Han Wu
- Department of Urology, Peking University Third Hospital, Beijing 100191, China.
| | - Hongliang Zhang
- Department of Human Sperm Bank, Peking University Third Hospital, Beijing 100191, China.
| | - Haocheng Lin
- Department of Urology, Peking University Third Hospital, Beijing 100191, China.
| | - Lemin Zheng
- The Institute of Cardiovascular Sciences, the Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing 100191, China.
| | - Hui Jiang
- Department of Urology, Peking University Third Hospital, Beijing 100191, China.
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