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Sadeghi N, Boissonneault G, Tavalaee M, Nasr-Esfahani MH. Oxidative versus reductive stress: a delicate balance for sperm integrity. Syst Biol Reprod Med 2023; 69:20-31. [PMID: 36215401 DOI: 10.1080/19396368.2022.2119181] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Despite the long-standing notion of "oxidative stress," as the main mediator of many diseases including male infertility induced by increased reactive oxygen species (ROS), recent evidence suggests that ROS levels are also increased by "reductive stress," due to over-accumulation of reductants. Damaging mechanisms, like guanidine oxidation followed by DNA fragmentation, could be observed following reductive stress. Excessive accumulation of the reductants may arise from excess dietary supplementation over driving the one-carbon cycle and transsulfuration pathway, overproduction of NADPH through the pentose phosphate pathway (PPP), elevated levels of GSH leading to impaired mitochondrial oxidation, or as a result NADH accumulation. In addition, lower availability of oxidized reductants like NAD+, oxidized glutathione (GSSG), and oxidized thioredoxins (Trx-S2) induce electron leakage leading to the formation of hydrogen peroxide (H2O2). In addition, a lower level of NAD+ impairs poly (ADP-ribose) polymerase (PARP)-regulated DNA repair essential for proper chromatin integrity of sperm. Because of the limited studies regarding the possible involvement of reductive stress, antioxidant therapy remains a central approach in the treatment of male infertility. This review put forward the concept of reductive stress and highlights the potential role played by reductive vs oxidative stress at pre-and post-testicular levels and considering dietary supplementation.
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Affiliation(s)
- Niloofar Sadeghi
- Department of Biochemistry and Functional Genomics, Université de Sherbrooke, Sherbrooke, QC, Canada.,Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Guylain Boissonneault
- Department of Biochemistry and Functional Genomics, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Marziyeh Tavalaee
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran
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Cambiasso MY, Gotfryd L, Stinson MG, Birolo S, Salamone G, Romanato M, Calvo JC, Fontana VA. Paternal alcohol consumption has intergenerational consequences in male offspring. J Assist Reprod Genet 2022; 39:441-459. [PMID: 35307778 PMCID: PMC8956782 DOI: 10.1007/s10815-021-02373-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 12/01/2021] [Indexed: 02/03/2023] Open
Abstract
PURPOSE Alcoholism is a heterogeneous set of disorders caused by ethanol intake. Harmful effects of paternal consumption on the offspring are poorly explored and not fully understood. We analyzed the effect of paternal alcohol consumption on both their own reproductive capacity and that of their male offspring. METHODS We used a model of ethanol consumption (15% v/v in drinking water) for 12 days in adult CF-1 male mice. DNA integrity and post-translational modifications of histones were assessed in sperm; testicular weight, histology, and DNA fragmentation were analyzed. Treated or untreated male mice were mated with non-treated females to obtain two cell embryos that were cultured for 7 days; morphology and embryonic cell death were evaluated. Males of both groups were mated with non-treated females. Adult male offspring was euthanized, and sperm and testicular parameters determined. RESULTS Paternal ethanol consumption caused histological and epigenetic changes, as well as damage in DNA integrity in the testicular germline and sperm. These alterations gave rise to deleterious effects on embryonic development and to testicular and spermatic changes in the offspring. CONCLUSION This study provides critical information on reproductive disturbances brought about by paternal alcohol consumption and the profound impact these could have on the male progeny. The need to explore the effects of paternal alcohol consumption in detail and warn about the importance of controlling alcohol intake for the well-being of future generations should not be underscored.
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Affiliation(s)
- Maite Yael Cambiasso
- CONICET, Instituto de Biología Y Medicina Experimental (IByME), Buenos Aires, Argentina
| | - Lucila Gotfryd
- CONICET, Instituto de Química Biológica de La Facultad de Ciencias Exactas Y Naturales IQUIBICEN, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Marcelo Gabriel Stinson
- CONICET, Instituto de Química Biológica de La Facultad de Ciencias Exactas Y Naturales IQUIBICEN, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Sol Birolo
- Departamento de Química Biológica, Facultad de Ciencias Exactas Y Naturales (UBA), Buenos Aires, Argentina
| | - Gabriela Salamone
- Instituto de Medicina Experimental (IMEX), CONICET Academia Nacional de Medicina, Buenos Aires, Argentina
| | - Marina Romanato
- CONICET, Instituto de Biología Y Medicina Experimental (IByME), Buenos Aires, Argentina
| | - Juan Carlos Calvo
- CONICET, Instituto de Biología Y Medicina Experimental (IByME), Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas Y Naturales (UBA), Buenos Aires, Argentina
| | - Vanina Andrea Fontana
- CONICET, Instituto de Química Biológica de La Facultad de Ciencias Exactas Y Naturales IQUIBICEN, Universidad de Buenos Aires, Buenos Aires, Argentina.
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Svoradová A, Baláži A, Chrenek P. Effect of selected natural and synthetic substances on rabbit reproduction-A mini review. J Anim Physiol Anim Nutr (Berl) 2021; 106:622-629. [PMID: 34542913 DOI: 10.1111/jpn.13641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 08/17/2021] [Indexed: 11/30/2022]
Abstract
Numerous natural and synthetic substances have effects on reproduction through several mechanisms. This review aims to summarize the impact of green tea (GT), yucca schidigera (YS) extract, curcuma longa (CL), adenosine 3',5'-cyclic monophosphate (cAMP) and isobutyl-1-methyl-xanthine (IBMX) stimulators on rabbit reproduction performance. To obtain a comprehensive overview of this topic, the keywords "reproduction," "substances," "spermatogenesis," "embryogenesis,"hormonal profil", "green tea", "yucca schidigera" were searched in such databases as WOS and PubMed to obtain relevant information. Spermatozoa profile was positively effected by the GT and YS, however, cAMP inhibitors stimulated spermatozoa motility resulted in positive or negative effects depending on the doses. Similarly, embryogenesis and hormonal profile were positively influenced by the GT, YS, cAMP and IBMX in a proper administration dose. Further research is needed to improve current knowledge about these substances to identify potential effects on the other reproduction parameters. Furthermore, future studies should combine GT, YS and CL with different plant extracts to determine their effects on spermatozoa status, embryogenesis as well as hormonal profile as key outcomes. This review summarizes current knowledge about effect of natural and synthetic substances on rabbit reproduction.
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Affiliation(s)
- Andrea Svoradová
- National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Nitra, Slovakia.,Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
| | - Andrej Baláži
- National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Nitra, Slovakia
| | - Peter Chrenek
- National Agricultural and Food Centre, Research Institute for Animal Production Nitra, Nitra, Slovakia.,Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Nitra, Slovakia
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Gajski G, Ravlić S, Godschalk R, Collins A, Dusinska M, Brunborg G. Application of the comet assay for the evaluation of DNA damage in mature sperm. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2021; 788:108398. [PMID: 34893163 DOI: 10.1016/j.mrrev.2021.108398] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 10/26/2021] [Accepted: 11/05/2021] [Indexed: 06/14/2023]
Abstract
DNA integrity is considered an important parameter of semen quality and is of significant value as a predictor of male fertility. Currently, there are several methods that can assess sperm DNA integrity. One such assay is the comet assay, or single-cell gel electrophoresis, which is a simple, sensitive, reliable, quick and low-cost technique that is used for measuring DNA strand breaks and repair at the level of individual cells. Although the comet assay is usually performed with somatic cells from different organs, the assay has the ability to detect genotoxicity in germ cells at different stages of spermatogenesis. Since the ability of sperm to remove DNA damage differs between the stages, interpretation of the results is dependent on the cells used. In this paper we give an overview on the use and applications of the comet assay on mature sperm and its ability to detect sperm DNA damage in both animals and humans. Overall, it can be concluded that the presence in sperm of significantly damaged DNA, assessed by the comet assay, is related to male infertility and seems to reduce live births. Although there is some evidence that sperm DNA damage also has a long-term impact on offspring's health, this aspect of DNA damage in sperm is understudied and deserves further attention. In summary, the comet assay can be applied as a useful tool to study effects of genotoxic exposures on sperm DNA integrity in animals and humans.
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Affiliation(s)
- Goran Gajski
- Institute for Medical Research and Occupational Health, Mutagenesis Unit, Zagreb, Croatia.
| | - Sanda Ravlić
- University of Zagreb, Centre for Research and Knowledge Transfer in Biotechnology, Zagreb, Croatia
| | - Roger Godschalk
- Maastricht University, School for Nutrition and Translational Research in Metabolism (NUTRIM), Department of Pharmacology & Toxicology, Maastricht, the Netherlands
| | - Andrew Collins
- University of Oslo, Institute of Basic Medical Sciences, Department of Nutrition, Oslo, Norway
| | - Maria Dusinska
- Norwegian Institute for Air Research (NILU), Department of Environmental Chemistry, Health Effects Laboratory, Kjeller, Norway
| | - Gunnar Brunborg
- Norwegian Institute of Public Health (NIPH), Section of Molecular Toxicology, Department of Environmental Health, Oslo, Norway
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Al-Griw MA, Alghazeer RO, Salama NM, Lwaleed BA, Eskandrani AA, Alansari WS, Alnajeebi AM, Babteen NA, Shamlan G, Elnfati AH. Paternal bisphenol A exposure induces testis and sperm pathologies in mice offspring: Possibly due to oxidative stress? Saudi J Biol Sci 2021; 28:948-955. [PMID: 33424387 PMCID: PMC7783794 DOI: 10.1016/j.sjbs.2020.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/26/2020] [Accepted: 11/01/2020] [Indexed: 12/31/2022] Open
Abstract
Bisphenol A (BPA), an endocrine and metabolic disruptor, is widely used to manufacture polycarbonate plastics and epoxy resins. Accumulating evidence suggests that paternal BPA exposure adversely affects male germlines and results in atypical reproductive phenotypes that might persist for generations to come. Our study investigated this exposure on testicular architecture and sperm quality in mouse offspring, and characterised underlying molecular mechanism(s). A total of 18 immature male Swiss albino mice (3.5 weeks old) were randomly divided into three groups and treated as follows: Group I, no treatment (sham control); Group II, sterile corn oil only (vehicle control); Group III, BPA (400 μg/kg) in sterile corn oil. At 9.5 weeks old, F0 males were mated with unexposed females. F0 offspring (F1 generation) were monitored for postnatal development for 10 weeks. At 11.5 weeks old, the animals were sacrificed to examine testicular architecture, sperm parameters, including DNA integrity, and oxidative stress biomarkers. Results showed that BPA significantly induced changes in the body and testis weights of the F0 and F1 generation BPA lineages compared to F0 and F1 generation control lineages. A decrease in sperm count and motility with further, increased sperm abnormalities, no or few sperm DNA alterations and elevated levels of MDA, PC and NO were recorded. Similar effects were found in BPA exposed F0 males, but were more pronounced in the F0 offspring. In addition, BPA caused alterations in the testicular architecture. These pathological changes extended transgenerationally to F1 generation males’ mice, but the pathological changes were more pronounced in the F1 generation. Our findings demonstrate that the biological and health BPA impacts do not end in paternal adults, but are passed on to offspring generations. Hence, linking observed testis and sperm abnormalities in the F1 generation to BPA exposure of their parental line was evident in this work. The findings also illustrate that oxidative stress appears to be a molecular component of the testis and sperm pathologies.
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Affiliation(s)
- Mohamed A Al-Griw
- Department of Histology and Genetics, Faculty of Medicine, University of Tripoli, Tripoli 13203, Libya
| | - Rabia O Alghazeer
- Department of Chemistry, Faculty of Sciences, University of Tripoli, Tripoli, Libya
| | - Naser M Salama
- Department of Zoology, Faculty of Sciences, University of Tripoli, Tripoli, Libya
| | - Bashir A Lwaleed
- School of Health Sciences, University of Southampton, Southampton, United Kingdom
| | - Areej A Eskandrani
- Chemistry Department, Faculty of Science, Taibah University, Medina, Saudi Arabia
| | - Wafa S Alansari
- Biochemistry Department, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Afnan M Alnajeebi
- Biochemistry Department, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Nouf A Babteen
- Biochemistry Department, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Ghalia Shamlan
- Department of Food Science and Nutrition, College of Food & Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Abdul Hakim Elnfati
- Department of Histology and Genetics, Faculty of Medicine, University of Tripoli, Tripoli 13203, Libya
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Dutta S, Henkel R, Agarwal A. Comparative analysis of tests used to assess sperm chromatin integrity and DNA fragmentation. Andrologia 2020; 53:e13718. [PMID: 32628294 DOI: 10.1111/and.13718] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 05/23/2020] [Accepted: 05/28/2020] [Indexed: 12/12/2022] Open
Abstract
Male infertility has a complex etiology, and many times, the cause is unknown. While routine semen analysis provides an overview of basic semen parameters, such as sperm concentration, motility, viability and morphology, a significant overlap of these parameters has been reported in fertile and infertile men. Moreover, conventional semen parameters do not reveal the cellular or molecular mechanisms of sperm dysfunctions leading to infertility. Therefore, sperm functional parameters, including sperm chromatin integrity, are evaluated to provide information on subtle sperm defects that are not routinely identified. Incomplete or defective sperm chromatin condensation increases the susceptibility of the sperm DNA to oxidative damage or other factors. To evaluate sperm chromatin integrity, different methods with varying degrees of diagnostic and prognostic capabilities are available. Among these assays, SCSA, TUNEL and SCD assays are most commonly used. While these assays rather evaluate the DNA directly for damages, the aniline blue and chromomycin A3 stains test for the quality of chromatin condensation. Thus, this review discusses and compares different methods used to evaluate sperm chromatin integrity and condensation, and their inclusion in the routine evaluation of the male infertility.
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Affiliation(s)
- Sulagna Dutta
- Department of Oral Biology and Biomedical Sciences, Faculty of Dentistry, MAHSA University, Selangor, Malaysia
| | - Ralf Henkel
- Department of Medical Bioscience, University of the Western Cape, Bellville, South Africa.,American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
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The effect of body mass index on sperm DNA fragmentation: a systematic review and meta-analysis. Int J Obes (Lond) 2020; 44:549-558. [PMID: 31949297 DOI: 10.1038/s41366-020-0524-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 12/11/2019] [Accepted: 01/03/2020] [Indexed: 12/11/2022]
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Panner Selvam MK, Agarwal A. A systematic review on sperm DNA fragmentation in male factor infertility: Laboratory assessment. Arab J Urol 2018; 16:65-76. [PMID: 29713537 PMCID: PMC5922187 DOI: 10.1016/j.aju.2017.12.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 11/26/2017] [Accepted: 12/02/2017] [Indexed: 02/04/2023] Open
Abstract
Objective To review sperm DNA fragmentation (SDF) testing as an important sperm function test in addition to conventional semen analysis. High SDF is negatively associated with semen quality, the fertilisation process, embryo quality, and pregnancy outcome. Over recent decades, different SDF assays have been developed and reviewed extensively to assess their applicability and accuracy as advanced sperm function tests. Amongst them, the standardisation of the terminal deoxynucleotidyl transferased UTP nick-end labelling (TUNEL) assay with a bench top flow cytometer in clinical practice deserves special mention with a threshold value of 16.8% to differentiate infertile men with DNA damage from fertile men. Materials and methods A systematic literature search was performed through the PubMed, Medline, and ScienceDirect databases using the keywords ‘sperm DNA fragmentation’ and ‘laboratory assessment’. Non-English articles were excluded and studies related to humans were only included. Results Of the 618 identified, 87 studies (original research and reviews) and in addition eight book chapters meeting the selection criteria were included in this review. In all, 366 articles were rejected in the preliminary screening and a further 165 articles related to non-human subjects were excluded. Conclusion There are pros and cons to all the available SDF assays. TUNEL is a reliable technique with greater accuracy and as an additional diagnostic test in Andrology laboratories along with basic semen analysis can predict fertility outcome, and thus direct the choice of an assisted reproductive technology procedure for infertile couples. Also, the TUNEL assay can be used as a prognostic test and results are beneficial in deciding personalised treatment for infertile men.
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Key Words
- AO, acridine orange
- ART, assisted reproductive technology
- CMA3, chromomysin A3
- DFI, DNA fragmentation index
- DNA damage
- FITC, Fluorescein isothiocyanate
- ICSI, intracytoplasmic sperm injection
- IUI, intrauterine insemination
- IVF, in vitro fertilisation
- PI, propidium iodide
- ROS, reactive oxygen species
- SCD, sperm chromatin dispersion
- SCSA, sperm chromatin structure assay
- SDF, sperm DNA fragmentation
- Sperm DNA fragmentation (SDF)
- Sperm DNA fragmentation (SDF) assay
- TUNEL, terminal deoxynucleotidyl transferased UTP nick-end labelling
- TdT, terminal deoxynucleotidyl transferase
- Terminal deoxynucleotidyl transferased UTP nick-end labelling (TUNEL)
- dUTP, 2′-deoxyuridine 5′-triphosphate
- dsDNA, double-stranded DNA
- ssDNA, single-strand DNA
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Affiliation(s)
| | - Ashok Agarwal
- American Center for Reproductive Medicine, Cleveland Clinic, Cleveland, OH, USA
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