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Bragina E, Kurchashova S, Suhomlinova M, Gasanova T, Ermolaeva S, Sorokina T, Kirs E, Arifulin E, Solovova O, Ryzhkova O, Khayat S, Andreeva M, Chernykh V. Atypical structure of the nuclear membrane, distribution of nuclear pores and lamin B1 in spermatozoa of patients with complete and partial globozoospermia. Front Genet 2024; 15:1427838. [PMID: 39045326 PMCID: PMC11263118 DOI: 10.3389/fgene.2024.1427838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 06/13/2024] [Indexed: 07/25/2024] Open
Abstract
Globozoospermia is a form of male infertility characterized by spermatozoa with spherical heads lacking acrosomes. The aim of this study was to evaluate ultrastructural and molecular defects in different types of globozoospermia. Semen samples from 12 infertile patients (9 with complete globozoospermia and 3 with partial globozoospermia) and 10 normozoospermic men (control) were examined by transmission electron microscopy and immunocytochemistry with antibodies against lamin B1. The presence of lamin A and progerin was assessed by reverse transcription-PCR. Whole exome sequencing was performed in three patients. In semen samples with complete and partial globozoospermia, lamin B1 was observed at the periphery of sperm nuclei, whereas lamin A and progerin were absent. Nuclear envelope pores were found in spermatozoa from both patient groups, regardless of morphology and chromatin condensation, in contrast to the control group. Non-condensed chromatin was present in 51%-81% of cases of complete globozoospermia and in 36%-79% of cases of partial globozoospermia. Homozygous DPY19L2 and SPATA16 variants were identified in two patients with partial globozoospermia and one patient with complete globozoospermia. An atypical nuclear membrane with abnormal nuclear pore distribution and lamin B1 localization was observed in spermatozoa from patients with both complete and partial globozoospermia. The genetic defects in the DPY19L2 and SPATA16 genes detected in patients from both globozoospermic groups suggest a generalized disruption of nuclear structure in globozoospermia, highlighting the genetic and phenotypic similarities between complete and partial globozoospermia.
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Affiliation(s)
- Elizaveta Bragina
- Belozersky Institute of Physico-Chemical Biology Lomonosov Moscow State University (MSU), Moscow, Russia
- Research Centre for Medical Genetics (RCMG), Moscow, Russia
| | - Svetlana Kurchashova
- Belozersky Institute of Physico-Chemical Biology Lomonosov Moscow State University (MSU), Moscow, Russia
| | - Marina Suhomlinova
- Belozersky Institute of Physico-Chemical Biology Lomonosov Moscow State University (MSU), Moscow, Russia
| | - Tatiana Gasanova
- Faculty of Biology, Lomonosov Moscow State University (MSU), Moscow, Russia
| | | | | | - Eva Kirs
- Novosibirsk Center for Reproductive Medicine, Novosibirsk, Russia
| | - Evgeniy Arifulin
- Belozersky Institute of Physico-Chemical Biology Lomonosov Moscow State University (MSU), Moscow, Russia
| | - Olga Solovova
- Research Centre for Medical Genetics (RCMG), Moscow, Russia
| | - Oxana Ryzhkova
- Research Centre for Medical Genetics (RCMG), Moscow, Russia
| | - Sabina Khayat
- Research Centre for Medical Genetics (RCMG), Moscow, Russia
| | | | - Vyacheslav Chernykh
- Research Centre for Medical Genetics (RCMG), Moscow, Russia
- Pirogov Russian National Research Medical University of the Ministry of Healthcare of the Russian Federation, Moscow, Russia
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Cassuto NG, Ogal N, Assou S, Ruoso L, Rogers EJ, Monteiro MJ, Thomas D, Siffroi JP, Rouen A. Different Nuclear Architecture in Human Sperm According to Their Morphology. Genes (Basel) 2024; 15:464. [PMID: 38674398 PMCID: PMC11049835 DOI: 10.3390/genes15040464] [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: 03/11/2024] [Revised: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Human sperm parameters serve as a first step in diagnosing male infertility, but not in determining the potential for successful pregnancy during assisted reproductive technologies (ARTs) procedures. Here, we investigated the relationship between sperm head morphology at high magnification, based on strict morphologic criteria, and the nuclear architecture analyzed by fluorescence in situ hybridization (FISH). We included five men. Two of them had an elevated high-magnification morphology score of 6 points (Score 6) indicating high fertility potential, whereas three had a low score of 0 points (Score 0), indicating low fertility potential. We used FISH to study the inter-telomeric distance and the chromosomal territory area of chromosome 1 (Chr. 1). We then compared these two parameters between subjects with high and low scores. FISH data analysis showed that the inter-telomeric distance (ITD) and chromosomal territory area (CTA) of Chr. 1 were significantly higher in subjects with low scores (score 0) than high scores (score 6). Our results suggest that (i) there is a link between nuclear architecture and sperm head abnormalities, particularly vacuoles; and (ii) it is possible to select spermatozoa with normal nuclear architecture, which might indirectly explain the positive ART outcomes observed with this technique.
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Affiliation(s)
- Nino-Guy Cassuto
- ART Unit, Drouot Laboratory, 75009 Paris, France; (L.R.); (M.-J.M.); (D.T.)
| | - Nesrine Ogal
- Department of Medical Genetics, Armand-Trousseau Hospital, AP-HP, INSERM Unit U933, Sorbonne University, 75012 Paris, France; (N.O.); (E.-J.R.); (J.-P.S.)
| | - Said Assou
- Institute for Regenerative Medicine and Biotherapy, University Montpellier, INSERM, CHU Montpellier, 34295 Montpellier, France;
| | - Lea Ruoso
- ART Unit, Drouot Laboratory, 75009 Paris, France; (L.R.); (M.-J.M.); (D.T.)
| | - Eli-Jonathan Rogers
- Department of Medical Genetics, Armand-Trousseau Hospital, AP-HP, INSERM Unit U933, Sorbonne University, 75012 Paris, France; (N.O.); (E.-J.R.); (J.-P.S.)
| | | | - Daniel Thomas
- ART Unit, Drouot Laboratory, 75009 Paris, France; (L.R.); (M.-J.M.); (D.T.)
| | - Jean-Pierre Siffroi
- Department of Medical Genetics, Armand-Trousseau Hospital, AP-HP, INSERM Unit U933, Sorbonne University, 75012 Paris, France; (N.O.); (E.-J.R.); (J.-P.S.)
| | - Alexandre Rouen
- Maternity of Bluets, Medically Assisted Reproduction Service, 75012 Paris, France
- AP-HP, Hôtel-Dieu, Sleep and Vigilance Center, Université Paris Cité, VIFASOM, ERC 7330, 75010 Paris, France
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Dhillon VS, Shahid M, Deo P, Fenech M. Reduced SIRT1 and SIRT3 and Lower Antioxidant Capacity of Seminal Plasma Is Associated with Shorter Sperm Telomere Length in Oligospermic Men. Int J Mol Sci 2024; 25:718. [PMID: 38255792 PMCID: PMC10815409 DOI: 10.3390/ijms25020718] [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: 11/24/2023] [Revised: 12/28/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Infertility affects millions of couples worldwide and has a profound impact not only on their families, but also on communities. Telomere attrition has been associated with infertility, DNA damage and fragmentation. Oxidative stress has been shown to affect sperm DNA integrity and telomere length. Sirtuins such as SIRT1 and SIRT3 are involved in aging and oxidative stress response. The aim of the present study is to determine the role of SIRT1 and SIRT3 in regulating oxidative stress, telomere shortening, and their association with oligospermia. Therefore, we assessed the protein levels of SIRT1 and SIRT3, total antioxidant capacity (TAC), superoxide dismutase (SOD), malondialdehyde (MDA) and catalase activity (CAT) in the seminal plasma of 272 patients with oligospermia and 251 fertile men. We also measured sperm telomere length (STL) and leukocyte telomere length (LTL) using a standard real-time quantitative PCR assay. Sperm chromatin and protamine deficiency were also measured as per standard methods. Our results for oligospermic patients demonstrate significant reductions in semen parameters, shorter STL and LTL, lower levels of SOD, TAC, CAT, SIRT1 and SIRT3 levels, and also significant protamine deficiency and higher levels of MDA and DNA fragmentation. We conclude that a shorter TL in sperms and leukocytes is associated with increased oxidative stress that also accounts for high levels of DNA fragmentation in sperms. Our results support the hypothesis that various sperm parameters in the state of oligospermia are associated with or caused by reduced levels of SIRT1 and SIRT3 proteins.
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Affiliation(s)
- Varinderpal S. Dhillon
- Health and Biomedical Innovation, UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (P.D.); (M.F.)
| | - Mohammad Shahid
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Permal Deo
- Health and Biomedical Innovation, UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (P.D.); (M.F.)
| | - Michael Fenech
- Health and Biomedical Innovation, UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (P.D.); (M.F.)
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Zou J, Ni T, Yang M, Li H, Gao M, Zhu Y, Jiang W, Zhang Q, Yan J, Wei D, Chen ZJ. The effect of parental carrier of de novo mutated vs. inherited balanced reciprocal translocation on the chance of euploid embryos. F&S SCIENCE 2023; 4:193-199. [PMID: 37182600 DOI: 10.1016/j.xfss.2023.05.002] [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: 02/28/2023] [Revised: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 05/16/2023]
Abstract
OBJECTIVE To evaluate whether the effect of de novo mutated balanced reciprocal translocation on the rate of euploid embryos varied from inherited balanced reciprocal translocation. DESIGN A retrospective cohort study compared the percentage of euploid embryo and proportion of patients with at least 1 euploid embryo between de novo mutated balanced reciprocal translocation (i.e., the group of de novo mutated carriers) and inherited balanced reciprocal translocation (i.e., the group of inherited carriers). SETTING An academic fertility center. PATIENT(S) A total of 413 couples with balanced reciprocal translocation (219 female carriers and 194 male carriers) who underwent their first cycle of preimplantation genetic testing for structural rearrangements were included. INTERVENTION(S) Carriers of balanced reciprocal translocation either de novo mutated or inherited. MAIN OUTCOME MEASURE(S) The percentage of euploid embryo and proportion of patients with at least 1 euploid embryo. RESULT(S) The carriers of the de novo mutated balanced reciprocal translocation had a lower percentage of euploid embryos (19.5% vs. 25.5%), and were less likely to have at least 1 euploid embryo (47.1% vs. 60.1%) compared with the carriers of the inherited balanced reciprocal translocation. In the male-carrier subgroup, the percentage of euploid embryos (16.7% vs. 26.7%) and proportion of patients with at least 1 euploid embryo (41.9% vs. 67.5%) were lower among the de novo mutated carriers than those among the inherited carriers. However, in the female-carrier subgroup, there was no statistically significant difference in the percentage of euploid embryos (22.4% vs. 24.4%) or the proportion of patients with at least 1 euploid embryo (52.3% vs. 53.7%) between the de novo mutated carriers and inherited carriers. CONCLUSION(S) The de novo mutated balanced reciprocal translocation was associated with a lower percentage of euploid embryos and lower chance of obtaining at least 1 euploid embryo than the inherited balanced reciprocal translocation.
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Affiliation(s)
- Jialin Zou
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Medical Integration and Practice Center, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Tianxiang Ni
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Medical Integration and Practice Center, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Min Yang
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Medical Integration and Practice Center, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Hongchang Li
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Ming Gao
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Yueting Zhu
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Wenjie Jiang
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Qian Zhang
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Junhao Yan
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Medical Integration and Practice Center, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China
| | - Daimin Wei
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Medical Integration and Practice Center, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China.
| | - Zi-Jiang Chen
- Center for Reproductive Medicine, Shandong University, Jinan, People's Republic of China; Medical Integration and Practice Center, Shandong University, Jinan, People's Republic of China; Key Laboratory of Reproductive Endocrinology of Ministry of Education, Jinan, People's Republic of China; National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, People's Republic of China; Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, People's Republic of China
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Pendina AA, Krapivin MI, Sagurova YM, Mekina ID, Komarova EM, Tikhonov AV, Golubeva AV, Gzgzyan AM, Kogan IY, Efimova OA. Telomere Length in Human Spermatogenic Cells as a New Potential Predictor of Clinical Outcomes in ART Treatment with Intracytoplasmic Injection of Testicular Spermatozoa. Int J Mol Sci 2023; 24:10427. [PMID: 37445605 DOI: 10.3390/ijms241310427] [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: 04/25/2023] [Revised: 06/05/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
Predicting the clinical outcomes of intracytoplasmic sperm injection (ICSI) cycles that use the testicular spermatozoa of azoospermic patients presents a challenge. Thus, the development of additional approaches to assessing the competence of a testicular-sperm-derived embryo without causing damage to gametes or the embryo is necessary. One of the key parameters in determining such developmental competence is telomere length (TL). We aimed to analyze TLs in spermatogenic cells from the testicular biopsy samples of azoospermic patients and determine how this parameter influences embryo competence for pre- and post-implantation development. Using Q-FISH, we studied the TL of the chromosomes in spermatogonia and spermatocytes I from the TESE biopsy samples of 30 azoospermic patients. An increase in TL was detected during the differentiation from spermatogonia to spermatocytes I. The patients' testicular spermatozoa were used in 37 ICSI cycles that resulted in 22 embryo transfers. Nine pregnancies resulted, of which, one was ectopic and eight ended in birth. The analysis of embryological outcomes revealed a dependence between embryo competence for development to the blastocyst stage and the TL in spermatogenic cells. The TLs in spermatogonia and spermatocytes I in the testicular biopsy samples were found to be higher in patients whose testicular sperm ICSI cycles resulted in a birth. Therefore, the length of telomeres in spermatogenic cells can be considered as a potential prognostic criterion in assessing the competence of testicular-sperm-derived embryos for pre- and post-implantation development. The results of this study provide the basis for the development of a laboratory test for the prediction of testicular sperm ICSI cycle outcomes.
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Affiliation(s)
- Anna A Pendina
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Mikhail I Krapivin
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Yanina M Sagurova
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Irina D Mekina
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Evgeniia M Komarova
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Andrei V Tikhonov
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Arina V Golubeva
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Alexander M Gzgzyan
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Igor Yu Kogan
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
| | - Olga A Efimova
- D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology, Mendeleevskaya Line 3, 199034 Saint Petersburg, Russia
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6
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Maside C, Recuero S, Salas-Huetos A, Ribas-Maynou J, Yeste M. Animal board invited review: An update on the methods for semen quality evaluation in swine - from farm to the lab. Animal 2023; 17:100720. [PMID: 36801527 DOI: 10.1016/j.animal.2023.100720] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
Pig breeding is mainly conducted through artificial insemination with liquid-stored semen. It is, therefore, crucial to ensure that sperm quality is over the standard thresholds, as reduced sperm motility, morphology or plasma membrane integrity are associated with reduced farrowing rates and litter sizes. This work aims to summarise the methods utilised in farms and research laboratories to evaluate sperm quality in pigs. The conventional spermiogram consists in the assessment of sperm concentration, motility and morphology, which are the most estimated variables in farms. Yet, while the determination of these sperm parameters is enough for farms to prepare seminal doses, other tests, usually carried out in specialised laboratories, may be required when boar studs exhibit a decreased reproductive performance. These methods include the evaluation of functional sperm parameters, such as plasma membrane integrity and fluidity, intracellular levels of calcium and reactive oxygen species, mitochondrial activity, and acrosome integrity, using fluorescent probes and flow cytometry. Furthermore, sperm chromatin condensation and DNA integrity, despite not being routinely assessed, may also help determine the causes of reduced fertilising capacity. Sperm DNA integrity can be evaluated through direct (Comet, transferase deoxynucleotide nick end labelling (TUNEL) and its in situ nick variant) or indirect tests (Sperm Chromatin Structure Assay, Sperm Chromatin Dispersion Test), whereas chromatin condensation can be determined with Chromomycin A3. Considering the high degree of chromatin packaging in pig sperm, which only have protamine 1, growing evidence suggests that complete decondensation of that chromatin is needed before DNA fragmentation through TUNEL or Comet can be examined.
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Affiliation(s)
- Carolina Maside
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003 Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003 Girona, Spain
| | - Sandra Recuero
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003 Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003 Girona, Spain
| | - Albert Salas-Huetos
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003 Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003 Girona, Spain; Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, United States; Consorcio CIBER, M.P., Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), ES-28029 Madrid, Spain
| | - Jordi Ribas-Maynou
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003 Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003 Girona, Spain; Institute for Biogenesis Research, Department of Anatomy, Biochemistry and Physiology, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Marc Yeste
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, ES-17003 Girona, Spain; Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, ES-17003 Girona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), ES-08010 Barcelona, Spain.
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7
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Drevet JR, Hallak J, Nasr-Esfahani MH, Aitken RJ. Reactive Oxygen Species and Their Consequences on the Structure and Function of Mammalian Spermatozoa. Antioxid Redox Signal 2022; 37:481-500. [PMID: 34913729 DOI: 10.1089/ars.2021.0235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Significance: Among the 200 or so cell types that comprise mammals, spermatozoa have an ambiguous relationship with the reactive oxygen species (ROS) inherent in the consumption of oxygen that supports aerobic metabolism. Recent Advances: In this review, we shall see that spermatozoa need the action of ROS to reach their structural and functional maturity, but that due to intrinsic unique characteristics, they are, perhaps more than any other cell type, susceptible to oxidative damage. Recent studies have improved our knowledge of how oxidative damage affects sperm structures and functions. The focus of this review will be on how genetic and epigenetic oxidative alterations to spermatozoa can have dramatic unintended consequences in terms of both the support and the suppression of sperm function. Critical Issues: Oxidative stress can have dramatic consequences not only for the spermatozoon itself, but also, and above all, on its primary objective, which is to carry out fertilization and to ensure, in part, that the embryonic development program should lead to a healthy progeny. Future Directions: Sperm oxidative DNA damage largely affects the integrity of the paternal genetic material to such an extent that the oocyte may have difficulties in correcting it. Diagnostic and therapeutic actions should be considered more systematically, especially in men with difficulties to conceive. Research is underway to determine whether the epigenetic information carried by spermatozoa is also subject to changes mediated by pro-oxidative situations. Antioxid. Redox Signal. 37, 481-500.
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Affiliation(s)
- Joël R Drevet
- Faculty of Medicine, GReD Institute, INSERM U1103-CNRS UMR6293-Université Clermont Auvergne, Clermont-Ferrand, France
| | - Jorge Hallak
- Androscience, Science and Innovation Center in Andrology and High-Complex Clinical and Research Andrology Laboratory, São Paulo, Brazil.,Division of Urology, University of São Paulo, São Paulo, Brazil.,Men's Health Study Group, Institute for Advanced Studies, University of São Paulo, São Paulo, Brazil.,Reproductive Toxicology Unit, Department of Pathology, University of São Paulo, São Paulo, Brazil
| | - Mohammad-Hossein Nasr-Esfahani
- Department of Animal Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.,Isfahan Fertility and Infertility Center, Isfahan, Iran
| | - Robert J Aitken
- Faculty of Science and Priority Research Center for Reproductive Sciences, The University of Newcastle, Callaghan, Australia.,Faculty of Health and Medicine, Priority Research Center for Reproductive Sciences, The University of Newcastle, Callaghan, Australia.,Hunter Medical Research Institute, New Lambton Heights, Australia
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8
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de Lima MF, Lisboa MDO, Terceiro LEL, Rangel-Pozzo A, Mai S. Chromosome Territories in Hematological Malignancies. Cells 2022; 11:cells11081368. [PMID: 35456046 PMCID: PMC9028803 DOI: 10.3390/cells11081368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 11/21/2022] Open
Abstract
Chromosomes are organized in distinct nuclear areas designated as chromosome territories (CT). The structural formation of CT is a consequence of chromatin packaging and organization that ultimately affects cell function. Chromosome positioning can identify structural signatures of genomic organization, especially for diseases where changes in gene expression contribute to a given phenotype. The study of CT in hematological diseases revealed chromosome position as an important factor for specific chromosome translocations. In this review, we highlight the history of CT theory, current knowledge on possible clinical applications of CT analysis, and the impact of CT in the development of hematological neoplasia such as multiple myeloma, leukemia, and lymphomas. Accumulating data on nuclear architecture in cancer allow one to propose the three-dimensional nuclear genomic landscape as a novel cancer biomarker for the future.
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Affiliation(s)
- Matheus Fabiao de Lima
- Department of Physiology and Pathophysiology, CancerCare Manitoba Research Institute, University of Manitoba, Winnipeg, MB R3E 0V9, Canada;
| | - Mateus de Oliveira Lisboa
- Core for Cell Technology, School of Medicine, Pontifícia Universidade Católica do Paraná—PUCPR, Curitiba 80215-901, Brazil;
| | - Lucas E. L. Terceiro
- Department of Pathology, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3E 3P5, Canada;
| | - Aline Rangel-Pozzo
- Department of Physiology and Pathophysiology, CancerCare Manitoba Research Institute, University of Manitoba, Winnipeg, MB R3E 0V9, Canada;
- Correspondence: (A.R.-P.); (S.M.); Tel.: +1-204-787-2135 (S.M.)
| | - Sabine Mai
- Department of Physiology and Pathophysiology, CancerCare Manitoba Research Institute, University of Manitoba, Winnipeg, MB R3E 0V9, Canada;
- Correspondence: (A.R.-P.); (S.M.); Tel.: +1-204-787-2135 (S.M.)
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Abstract
Sperm nuclei present a highly organized and condensed chromatin due to the interchange of histones by protamines during spermiogenesis. This high DNA condensation leads to almost inert chromatin, with the impossibility of conducting gene transcription as in most other somatic cells. The major chromosomal structure responsible for DNA condensation is the formation of protamine-DNA toroids containing 25-50 kilobases of DNA. These toroids are connected by toroid linker regions (TLR), which attach them to the nuclear matrix, as matrix attachment regions (MAR) do in somatic cells. Despite this high degree of condensation, evidence shows that sperm chromatin contains vulnerable elements that can be degraded even in fully condensed chromatin, which may correspond to chromatin regions that transfer functionality to the zygote at fertilization. This chapter covers an updated review of our model for sperm chromatin structure and its potential functional elements that affect embryo development.
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Affiliation(s)
- Jordi Ribas-Maynou
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain
- Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Hieu Nguyen
- Department Anatomy, Biochemistry and Physiology, Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
| | - Hongwen Wu
- Department Anatomy, Biochemistry and Physiology, Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
| | - W. Steven Ward
- Department Anatomy, Biochemistry and Physiology, Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, USA
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10
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Chromosomal positioning in spermatogenic cells is influenced by chromosomal factors associated with gene activity, bouquet formation and meiotic sex chromosome inactivation. Chromosoma 2021; 130:163-175. [PMID: 34231035 DOI: 10.1007/s00412-021-00761-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 10/20/2022]
Abstract
Chromosome territoriality is not random along the cell cycle and it is mainly governed by intrinsic chromosome factors and gene expression patterns. Conversely, very few studies have explored the factors that determine chromosome territoriality and its influencing factors during meiosis. In this study, we analysed chromosome positioning in murine spermatogenic cells using three-dimensionally fluorescence in situ hybridization-based methodology, which allows the analysis of the entire karyotype. The main objective of the study was to decipher chromosome positioning in a radial axis (all analysed germ-cell nuclei) and longitudinal axis (only spermatozoa) and to identify the chromosomal factors that regulate such an arrangement. Results demonstrated that the radial positioning of chromosomes during spermatogenesis was cell-type specific and influenced by chromosomal factors associated to gene activity. Chromosomes with specific features that enhance transcription (high GC content, high gene density and high numbers of predicted expressed genes) were preferentially observed in the inner part of the nucleus in virtually all cell types. Moreover, the position of the sex chromosomes was influenced by their transcriptional status, from the periphery of the nucleus when its activity was repressed (pachytene) to a more internal position when it is partially activated (spermatid). At pachytene, chromosome positioning was also influenced by chromosome size due to the bouquet formation. Longitudinal chromosome positioning in the sperm nucleus was not random either, suggesting the importance of ordered longitudinal positioning for the release and activation of the paternal genome after fertilisation.
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11
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Ribas-Maynou J, Garcia-Bonavila E, Hidalgo CO, Catalán J, Miró J, Yeste M. Species-Specific Differences in Sperm Chromatin Decondensation Between Eutherian Mammals Underlie Distinct Lysis Requirements. Front Cell Dev Biol 2021; 9:669182. [PMID: 33996825 PMCID: PMC8120241 DOI: 10.3389/fcell.2021.669182] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/12/2021] [Indexed: 12/26/2022] Open
Abstract
Sperm present a highly particular DNA condensation that is acquired during their differentiation. Protamines are key elements for DNA condensation. However, whereas the presence of protamine 1 (P1) is conserved across mammalian species, that of protamine 2 (P2) has evolved differentially, existing only few species that use both protamines for sperm DNA condensation. In addition, altered P1/P2 ratios and alterations in the expression of P1 have previously been associated to infertility and DNA damage disorders. On the other hand, different methods evaluating DNA integrity, such as Sperm Chromatin Dispersion (SCD) and Comet tests, need a previous complete DNA decondensation to properly assess DNA breaks. Related with this, the present study aims to analyze the resilience of sperm DNA to decodensation in different eutherian mammals. Sperm samples from humans, horses, cattle, pigs and donkeys were used. Samples were embedded in low melting point agarose and treated with lysis solutions to induce DNA decondensation and formation of sperm haloes. The treatment consisted of three steps: (1) incubation in SDS + DTT for 30 min; (2) incubation in DTT + NaCl for 30 min; and (3) incubation in DTT + NaCl with or without proteinase K for a variable time of 0, 30, or 180 min. How incubation with the third lysis solution (with or without proteinase K) for 0, 30, and 180 min affected DNA decondensation was tested through analyzing core and halo diameters in 50 sperm per sample. Halo/core length ratio was used as an indicator of complete chromatin decondensation. While incubation time with the third lysis solution had no impact on halo/core length ratios in species having P1 and P2 (human, equine and donkey), DNA decondensation of pig and cattle sperm, which only present P1, significantly (P < 0.05) increased following incubation with the third lysis solution for 180 min. In addition, the inclusion of proteinase K was found to accelerate DNA decondensation. In conclusion, longer incubations in lysis solution including proteinase K lead to higher DNA decondensation in porcine and bovine sperm. This suggests that tests intended to analyze DNA damage, such as halo or Comet assays, require complete chromatin deprotamination to achieve high sensitivity in the detection of DNA breaks.
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Affiliation(s)
- Jordi Ribas-Maynou
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Estela Garcia-Bonavila
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
| | - Carlos O Hidalgo
- Department of Animal Selection and Reproduction, Regional Agrifood Research and Development Service of Asturias (SERIDA), Gijón, Spain
| | - Jaime Catalán
- Equine Reproduction Service, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Autonomous University of Barcelona, Bellaterra, Spain
| | - Jordi Miró
- Equine Reproduction Service, Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, Autonomous University of Barcelona, Bellaterra, Spain
| | - Marc Yeste
- Biotechnology of Animal and Human Reproduction (TechnoSperm), Institute of Food and Agricultural Technology, University of Girona, Girona, Spain.,Unit of Cell Biology, Department of Biology, Faculty of Sciences, University of Girona, Girona, Spain
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12
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Three-Dimensional Confocal Analysis of Chromosome Positioning Coupled with Immunofluorescence in Mouse Sperm Nuclei. Methods Mol Biol 2021. [PMID: 32822037 DOI: 10.1007/978-1-0716-0876-0_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Male infertility is associated with several causes affecting the paternal nucleus such as DNA lesions (breaks, deletions, mutations, ...) or numerical chromosome anomalies. More recently, male infertility has also been associated with changes in the sperm epigenome, including modification in the topology of chromatin (Olszewska et al., Chromosome Research 16:875-890, 2008; Alladin et al., Syst Biol Reprod Med 59: 146-152, 2013) ref with number 1, 2. Indeed, the positioning of chromosomes in the sperm nucleus is nonrandom and defines chromosome territories (Champroux et al., Genes (Basel) 9:501, 2018) ref with number 3 whose optimal organization determines the success of embryonic development. In this context, the study of the spatial distribution of chromosomes in sperm cells could be relevant for clinical diagnosis. We describe here a in situ fluorescence hybridization (FISH) strategy coupled with a fluorescent immunocytochemistry approach followed by confocal analysis and reconstruction (2D/3D) as a powerful tool to analyze the location of chromosomes in the sperm nucleus using the mouse sperm as a model. Already, the two-dimensional (2D) analysis of FISH and immunofluorescence data reveal the location of chromosomes as well as the different markings on the spermatic nucleus. In addition, a good 3D rendering after Imaris software processing was obtained when Z-stacks of images were acquired over a defined volume (10 μm × 13 μm × 15 μm) with a sequential scanning mode to minimize bleed-through effects and avoid overlapping wavelengths.
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13
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Mitochondrial Reactive Oxygen Species (ROS) Production Alters Sperm Quality. Antioxidants (Basel) 2021; 10:antiox10010092. [PMID: 33440836 PMCID: PMC7827812 DOI: 10.3390/antiox10010092] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/22/2020] [Accepted: 12/30/2020] [Indexed: 02/06/2023] Open
Abstract
Besides ATP production, mitochondria are key organelles in several cellular functions, such as steroid hormone biosynthesis, calcium homoeostasis, intrinsic apoptotic pathway, and the generation of reactive oxygen species (ROS). Despite the loss of the majority of the cytoplasm occurring during spermiogenesis, mammalian sperm preserves a number of mitochondria that rearrange in a tubular structure at the level of the sperm flagellum midpiece. Although sperm mitochondria are destroyed inside the zygote, the integrity and the functionality of these organelles seem to be critical for fertilization and embryo development. The aim of this review was to discuss the impact of mitochondria-produced ROS at multiple levels in sperm: the genome, proteome, lipidome, epigenome. How diet, aging and environmental pollution may affect sperm quality and offspring health—by exacerbating oxidative stress—will be also described.
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15
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M'kacher R, Colicchio B, Marquet V, Borie C, Najar W, Hempel WM, Heidingsfelder L, Oudrhiri N, Al Jawhari M, Wilhelm-Murer N, Miguet M, Dieterlen A, Deschênes G, Tabet AC, Junker S, Grynberg M, Fenech M, Bennaceur-Griscelli A, Voisin P, Carde P, Jeandidier E, Yardin C. Telomere aberrations, including telomere loss, doublets, and extreme shortening, are increased in patients with infertility. Fertil Steril 2020; 115:164-173. [PMID: 33272625 DOI: 10.1016/j.fertnstert.2020.07.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 01/07/2023]
Abstract
OBJECTIVE To test the hypothesis that telomere shortening and/or loss are risk factors for infertility. DESIGN Retrospective analysis of the telomere status in patients with infertility using conventional cytogenetic data collected prospectively. SETTING Academic centers. PATIENT(S) Cytogenetic slides with cultured peripheral lymphocytes from 50 patients undergoing fertility treatment and 150 healthy donors, including 100 donors matched for age. INTERVENTION(S) Cytogenetic slides were used to detect chromosomal and telomere aberrations. MAIN OUTCOME MEASURE(S) Telomere length and telomere aberrations were analyzed after telomere and centromere staining. RESULT(S) The mean telomere length of patients consulting for infertility was significantly less than that of healthy donors of similar age. Moreover, patients with infertility showed significantly more extreme telomere loss and telomere doublet formation than healthy controls. Telomere shortening and/or telomere aberrations were more pronounced in patients with structural chromosomal aberrations. Dicentric chromosomes were identified in 6/13 patients, with constitutional chromosomal aberrations leading to chromosomal instability that correlated with chromosomal end-to-end fusions. CONCLUSION(S) Our findings demonstrate the feasibility of analyzing telomere aberrations in addition to chromosomal aberrations, using cytogenetic slides. Telomere attrition and/or dysfunction represent the main common cytogenetic characteristic of patients with infertility, leading to potential implications for fertility assessment. Pending further studies, these techniques that correlate the outcome of assisted reproduction and telomere integrity status may represent a novel and useful diagnostic and/or prognostic tool for medical care in this field.
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Affiliation(s)
- Radhia M'kacher
- Cell Environment, DNA Damage Research & Development, Paris, France.
| | - Bruno Colicchio
- Institut de Recherche en Informatique, Mathématiques, Automatique et Signal, Université de Haute-Alsace, Mulhouse, France
| | - Valentine Marquet
- Service de Cytogénétique, Génétique Médicale, et Biologie de la Reproduction Hôpital de la Mère et de l'Enfant, Centre hospitalo-universitaire Dupuytren, Limoges, France
| | - Claire Borie
- Assitance Pubique-Hopitaux de Paris (APHP)-Service d'hématologie-Oncohématologie Moléculaire et Cytogénétique Hôpital Paul Brousse Université Paris Saclay/INSERM 935, Villejuif, France
| | - Wala Najar
- Cell Environment, DNA Damage Research & Development, Paris, France; Faculté de médecine Paris Centre, Université de Paris, Paris, France
| | - William M Hempel
- Cell Environment, DNA Damage Research & Development, Paris, France
| | | | - Noufissa Oudrhiri
- Assitance Pubique-Hopitaux de Paris (APHP)-Service d'hématologie-Oncohématologie Moléculaire et Cytogénétique Hôpital Paul Brousse Université Paris Saclay/INSERM 935, Villejuif, France
| | | | - Nadège Wilhelm-Murer
- Service de génétique Groupe Hospitalier de la Région de Mulhouse et Sud Alsace, Mulhouse, France
| | - Marguerite Miguet
- Service de génétique Groupe Hospitalier de la Région de Mulhouse et Sud Alsace, Mulhouse, France
| | - Alain Dieterlen
- Institut de Recherche en Informatique, Mathématiques, Automatique et Signal, Université de Haute-Alsace, Mulhouse, France
| | | | | | - Steffen Junker
- Institute of Biomedicine, University of Aarhus, Aarhus, Denmark
| | - Michael Grynberg
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Antoine Béclère, Clamart, France
| | - Michael Fenech
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, South Australia, Australia; Genome Health Foundation, North Brighton, South Australia, Australia
| | - Annelise Bennaceur-Griscelli
- Assitance Pubique-Hopitaux de Paris (APHP)-Service d'hématologie-Oncohématologie Moléculaire et Cytogénétique Hôpital Paul Brousse Université Paris Saclay/INSERM 935, Villejuif, France
| | - Philippe Voisin
- Cell Environment, DNA Damage Research & Development, Paris, France
| | - Patrice Carde
- Department of Hematology, Gustave Roussy Cancer Campus, Villejuif, France
| | - Eric Jeandidier
- Service de génétique Groupe Hospitalier de la Région de Mulhouse et Sud Alsace, Mulhouse, France
| | - Catherine Yardin
- Service de Cytogénétique, Génétique Médicale, et Biologie de la Reproduction Hôpital de la Mère et de l'Enfant, Centre hospitalo-universitaire Dupuytren, Limoges, France; CNRS, XLIM, UMR 7252, University of Limoges, Limoges, France
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16
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Wiland E, Olszewska M, Woźniak T, Kurpisz M. How much, if anything, do we know about sperm chromosomes of Robertsonian translocation carriers? Cell Mol Life Sci 2020; 77:4765-4785. [PMID: 32514588 PMCID: PMC7658086 DOI: 10.1007/s00018-020-03560-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 05/08/2020] [Accepted: 05/22/2020] [Indexed: 12/11/2022]
Abstract
In men with oligozoospermia, Robertsonian translocations (RobTs) are the most common type of autosomal aberrations. The most commonly occurring types are rob(13;14) and rob(14;21), and other types of RobTs are described as 'rare' cases. Based on molecular research, all RobTs can be broadly classified into Class 1 and Class 2. Class 1 translocations produce the same breakpoints within their RobT type, but Class 2 translocations are predicted to form during meiosis or mitosis through a variety of mechanisms, resulting in variation in the breakpoint locations. This review seeks to analyse the available data addressing the question of whether the molecular classification of RobTs into Classes 1 and 2 and/or the type of DD/GG/DG symmetry of the involved chromosomes is reflected in the efficiency of spermatogenesis. The lowest frequency value calculated for the rate of alternate segregants was found for rob(13;15) carriers (Class 2, symmetry DD) and the highest for rob(13;21) carriers (Class 2, DG symmetry). The aneuploidy values for the rare RobT (Class 2) and common rob(14;21) (Class 1) groups together exhibited similarities while differing from those for the common rob(13;14) (Class 1) group. Considering the division of RobT carriers into those with normozoospermia and those with oligoasthenozoospermia, it was found that the number of carriers with elevated levels of aneuploidy was unexpectedly quite similar and high (approx. 70%) in the two subgroups. The reason(s) that the same RobT does not always show a similar destructive effect on fertility was also pointed out.
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Affiliation(s)
- Ewa Wiland
- Institute of Human Genetics, Polish Academy of Sciences, ul. Strzeszynska 32, 60-479, Poznan, Poland
| | - Marta Olszewska
- Institute of Human Genetics, Polish Academy of Sciences, ul. Strzeszynska 32, 60-479, Poznan, Poland
| | - Tomasz Woźniak
- Institute of Human Genetics, Polish Academy of Sciences, ul. Strzeszynska 32, 60-479, Poznan, Poland
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, ul. Strzeszynska 32, 60-479, Poznan, Poland.
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17
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Ribas‐Maynou J, Abad C, García‐Segura S, Oliver‐Bonet M, Prada E, Amengual MJ, Navarro J, Benet J. Sperm chromatin condensation and single‐ and double‐stranded DNA damage as important parameters to define male factor related recurrent miscarriage. Mol Reprod Dev 2020; 87:1126-1132. [DOI: 10.1002/mrd.23424] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/02/2020] [Accepted: 09/08/2020] [Indexed: 01/01/2023]
Affiliation(s)
- Jordi Ribas‐Maynou
- Departament de Biologia Cel·lular, Fisiologia i Immunologia Universitat Autònoma de Barcelona Bellaterra Spain
| | - Carlos Abad
- Servei d'Urologia, Corporació Sanitària Parc Taulí Institut Universitari Parc Taulí – UAB Sabadell Spain
| | - Sergio García‐Segura
- Departament de Biologia Cel·lular, Fisiologia i Immunologia Universitat Autònoma de Barcelona Bellaterra Spain
| | - Maria Oliver‐Bonet
- Departament de Biologia Cel·lular, Fisiologia i Immunologia Universitat Autònoma de Barcelona Bellaterra Spain
| | - Elena Prada
- Servei de Ginecologia. Hospital Universitari Mútua de Terrassa Terrassa Spain
| | - Maria José Amengual
- UDIAT, Centre Diagnòstic, Corporació Sanitària Parc Taulí Institut Universitari Parc Taulí – UAB Sabadell Spain
| | - Joaquima Navarro
- Departament de Biologia Cel·lular, Fisiologia i Immunologia Universitat Autònoma de Barcelona Bellaterra Spain
| | - Jordi Benet
- Departament de Biologia Cel·lular, Fisiologia i Immunologia Universitat Autònoma de Barcelona Bellaterra Spain
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18
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Lopes AC, Oliveira PF, Pinto S, Almeida C, Pinho MJ, Sá R, Rocha E, Barros A, Sousa M. Discordance between human sperm quality and telomere length following differential gradient separation/swim-up. J Assist Reprod Genet 2020; 37:2581-2603. [PMID: 32767207 DOI: 10.1007/s10815-020-01897-1] [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: 12/30/2019] [Accepted: 07/20/2020] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Strong evidence has suggested an important role of telomeres in meiosis, fertilization, and embryo development. PURPOSE To determine if sperm telomere length (STL) in sperm purified by differential gradient centrifugation followed by swim-up (selected STL) is correlated with sperm quality and clinical outcomes. METHODS Relative selected STL was assessed by quantitative polymerase chain reaction (Q-PCR) in 78 consecutive assisted reproductive technology (ART) treatments during 2017. Statistical analyses were performed in the totality of patients, and in normozoospermic and non-normozoospermic patients. These included correlations between selected STL and sperm quality parameters, embryological parameters (multivariable linear regression), and clinical parameters (multivariable logistic regression). RESULTS No significant correlations were found between selected STL and sperm quality in the total population. However, selected STL was significantly correlated with total sperm count (r = 0.361; P = 0.039) and sperm DNA fragmentation-post-acrosomal region pattern (r = - 0.464; P = 0.030) in normozoospermic patients. No relation was observed between selected STL and clinical outcomes in any clinical group. CONCLUSIONS As the correlations observed in normozoospermic patients were not representative of the whole heterogeneous population, differences in the sperm characteristics of the study population may lead to discrepant results when evaluating the association of STL with sperm quality. Since the total population selected STL was not related with sperm quality and with clinical outcomes, results do not support the use of selected STL measurement to evaluate the reproductive potential of the male patient or to predict the success rates of ART treatments.
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Affiliation(s)
- Ana Catarina Lopes
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.,Department of Life Sciences, Faculty of Science and Technology, New University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal
| | - Pedro Fontes Oliveira
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.,Department of Genetics, Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal.,Institute of Research and Innovation in Health, University of Porto, 4200-135, Porto, Portugal
| | - Soraia Pinto
- Centre for Reproductive Genetics Prof. Alberto Barros, 4100-009, Porto, Portugal
| | - Carolina Almeida
- Department of Genetics, Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal
| | - Maria João Pinho
- Department of Genetics, Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal
| | - Rosália Sá
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.,Multidisciplinary Unit for Biomedical Research, Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313, Porto, Portugal
| | - Eduardo Rocha
- Laboratory of Histology and Embryology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313, Porto, Portugal
| | - Alberto Barros
- Department of Genetics, Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal.,Institute of Research and Innovation in Health, University of Porto, 4200-135, Porto, Portugal.,Centre for Reproductive Genetics Prof. Alberto Barros, 4100-009, Porto, Portugal
| | - Mário Sousa
- Laboratory of Cell Biology, Department of Microscopy, Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal. .,Multidisciplinary Unit for Biomedical Research, Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313, Porto, Portugal.
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19
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Mebrek ML, Clède S, de Chalus A, Heide S, Ruoso L, Rogers E, Lédée N, Prat-Ellenberg L, Cassuto NG, Siffroi JP, Rouen A. Simple FISH-based evaluation of spermatic nuclear architecture shows an abnormal chromosomal organization in balanced chromosomal rearrangement carriers. J Assist Reprod Genet 2020; 37:803-809. [PMID: 32193768 DOI: 10.1007/s10815-020-01736-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 03/03/2020] [Indexed: 10/24/2022] Open
Abstract
INTRODUCTION Interphasic DNA has a constant three-dimensional conformation, which is particularly striking for spermatic DNA, with distinct chromosomal territories and a constant chromosomal conformation. We hypothesized that this organization is fragile, and that an excess or a lack of chromosomal segments could hinder the genomic structure as a whole. METHODS Five human male chromosomal translocation carriers and five controls were included. Spermatic DNA spatial organization was studied, in both balanced and unbalanced spermatozoa, with two-dimensional fluorescent in situ hybridization (FISH) via analysis of chromosomes not implicated in the cases' translocations, compared to that of normal controls. Two parameters were studied: the distance between the two telomeric ends of chromosome 1, and the area of the chromosomal territories of chromosomes 1 and 17. RESULTS Sperm FISH analysis of rearrangement carriers revealed changes in the nuclear architecture compared to that of controls. Inter-telomeric distance and chromosomal territories areas were both significantly increased. DISCUSSION We show that an excess or lack of chromosomal segments can hinder the normal spatial nuclear architecture in sperm. These results show that nuclear architecture is a fragile assembly, and that local chromosomal abnormalities may impact the nucleus as a whole. This suggests a potential avenue for selection of spermatozoa prior to in vitro fertilization, not only in rearrangement carriers but also in the infertile population at large. Furthermore, we suggest that 2D-FISH could possibly be a useful tool in assessing spermatic nuclear organization in a way to evaluate male fertility.
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Affiliation(s)
- Majda Lyna Mebrek
- Département de Génétique Médicale, Hôpital Armand-Trousseau, AP-HP, 26 avenue du Dr Arnold Netter, 75012, Paris, France
| | | | - Aliénor de Chalus
- Département de Génétique Médicale, Hôpital Armand-Trousseau, AP-HP, 26 avenue du Dr Arnold Netter, 75012, Paris, France
| | - Solveig Heide
- Département de Génétique Médicale, Hôpital Armand-Trousseau, AP-HP, 26 avenue du Dr Arnold Netter, 75012, Paris, France
| | - Léa Ruoso
- Laboratoire Drouot, 21 rue Drouot, 75009, Paris, France
| | - Eli Rogers
- Département de Génétique Médicale, Hôpital Armand-Trousseau, AP-HP, 26 avenue du Dr Arnold Netter, 75012, Paris, France
| | - Nathalie Lédée
- Service de Procréation Médicalement Assistée, Maternité des Bluets, 4 rue Lasson, 75012, Paris, France
| | - Laura Prat-Ellenberg
- Service de Procréation Médicalement Assistée, Maternité des Bluets, 4 rue Lasson, 75012, Paris, France
| | | | - Jean-Pierre Siffroi
- Département de Génétique Médicale, Hôpital Armand-Trousseau, AP-HP, 26 avenue du Dr Arnold Netter, 75012, Paris, France
| | - Alexandre Rouen
- Département de Génétique Médicale, Hôpital Armand-Trousseau, AP-HP, 26 avenue du Dr Arnold Netter, 75012, Paris, France.
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20
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Drevet JR, Aitken RJ. Oxidation of Sperm Nucleus in Mammals: A Physiological Necessity to Some Extent with Adverse Impacts on Oocyte and Offspring. Antioxidants (Basel) 2020; 9:E95. [PMID: 31979208 PMCID: PMC7070651 DOI: 10.3390/antiox9020095] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/19/2020] [Accepted: 01/21/2020] [Indexed: 12/15/2022] Open
Abstract
Sperm cells have long been known to be good producers of reactive oxygen species, while they are also known to be particularly sensitive to oxidative damage affecting their structures and functions. As with all organic cellular components, sperm nuclear components and, in particular, nucleic acids undergo oxidative alterations that have recently been shown to be commonly encountered in clinical practice. This review will attempt to provide an overview of this situation. After a brief coverage of the biological reasons why the sperm nucleus and associated DNA are sensitive to oxidative damage, a summary of the most recent results concerning the oxidation of sperm DNA in animal and human models will be presented. The study will then attempt to cover the possible consequences of sperm nuclear oxidation on male fertility and beyond.
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Affiliation(s)
- Joël R. Drevet
- Faculty of Medicine, GReD Institute, INSERM U1103—CNRS UMR6293—Université Clermont Auvergne, CRBC building, 28 place Henri Dunant, 63001 Clermont-Ferrand, France
| | - Robert John Aitken
- School of Environmental and Life Sciences, Priority Research Centre for Reproductive Sciences, The University of Newcastle, Callaghan, Newcastle 2308, Australia;
- Faculty of Health and Medicine, The University of Newcastle, Callaghan, Newcastle 2308, Australia
- Medical Genetics, Hunter Medical Research Institute, New Lambton Heights, 13 2305 Newcastle, Australia
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Ioannou D, Tempest HG. Human Sperm Chromosomes: To Form Hairpin-Loops, Or Not to Form Hairpin-Loops, That Is the Question. Genes (Basel) 2019; 10:genes10070504. [PMID: 31277336 PMCID: PMC6678829 DOI: 10.3390/genes10070504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/25/2019] [Accepted: 06/28/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Genomes are non-randomly organized within the interphase nucleus; and spermatozoa are proposed to have a unique hairpin-loop configuration, which has been hypothesized to be critical for the ordered exodus of the paternal genome following fertilization. Recent studies suggest that the hairpin-loop model of sperm chromatin organization is more segmentally organized. The purpose of this study is to examine the 3D organization and hairpin-loop configurations of chromosomes in human spermatozoa. METHODS Three-color sperm-fluorescence in-situ hybridization was utilized against the centromeres, and chromosome p- and q-arms of eight chromosomes from five normozoospermic donors. Wide-field fluorescence microscopy and 3D modelling established the radial organization and hairpin-loop chromosome configurations in spermatozoa. RESULTS All chromosomes possessed reproducible non-random radial organization (p < 0.05) and formed discrete hairpin-loop configurations. However, chromosomes preferentially formed narrow or wide hairpin-loops. We did not find evidence to support the existence of a centralized chromocenter(s) with centromeres being more peripherally localized than one or both of their respective chromosome arms. CONCLUSION This provides further evidence to support a more segmental organization of chromatin in the human sperm nucleus. This may be of significance for fertilization and early embryogenesis as specific genomic regions are likely to be exposed, remodeled, and activated first, following fertilization.
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Affiliation(s)
- Dimitrios Ioannou
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, 33199, USA
| | - Helen G Tempest
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, 33199, USA.
- Biomolecular Sciences Institute, Florida International University, Miami, FL, 33199, USA.
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Ivanova NG, Stefanova VN, Ostromyshenskii DI, Podgornaya OI. Tandem Repeats in the Genome of Sus scrofa, Their Localization on Chromosomes and in the Spermatogenic Cell Nuclei. RUSS J GENET+ 2019. [DOI: 10.1134/s102279541907007x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Jeyendran RS, Caroppo E, Rouen A, Anderson A, Puscheck E. Selecting the most competent sperm for assisted reproductive technologies. Fertil Steril 2019; 111:851-863. [DOI: 10.1016/j.fertnstert.2019.03.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/18/2019] [Accepted: 03/18/2019] [Indexed: 12/27/2022]
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Velazquez MA, Fleming TP, Watkins AJ. Periconceptional environment and the developmental origins of disease. J Endocrinol 2019; 242:T33-T49. [PMID: 30707679 DOI: 10.1530/joe-18-0676] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 02/01/2019] [Indexed: 01/08/2023]
Abstract
The concept emerging from Professor David Barker’s seminal research on the developmental origins of later-life disease has progressed in many directions since it was first published. One critical question being when during gestation might environment alter the developmental programme with such enduring consequences. Here, we review the growing consensus from clinical and animal research that the period around conception, embracing gamete maturation and early embryogenesis might be the most vulnerable period. We focus on four types of environmental exposure shown to modify periconceptional reproduction and offspring development and health: maternal overnutrition and obesity; maternal undernutrition; paternal diet and health; and assisted reproductive technology. These conditions may act through diverse epigenetic, cellular and physiological mechanisms to alter gene expression and cellular signalling and function in the conceptus affecting offspring growth and metabolism leading to increased risk for cardiometabolic and neurological disease in later life.
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Affiliation(s)
- Miguel A Velazquez
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom of Great Britain and Northern Ireland
| | - Tom P Fleming
- Biological Sciences, University of Southampton, Southampton, United Kingdom of Great Britain and Northern Ireland
| | - Adam J Watkins
- Division of Child Health, Obstetrics and Gynaecology, Faculty of Medicine, University of Nottingham, Nottingham, United Kingdom of Great Britain and Northern Ireland
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25
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Wiland E, Olszewska M, Huleyuk N, Chernykh VB, Kurpisz M. The effect of Robertsonian translocations on the intranuclear positioning of NORs (nucleolar organizing regions) in human sperm cells. Sci Rep 2019; 9:2213. [PMID: 30778082 PMCID: PMC6379386 DOI: 10.1038/s41598-019-38478-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 11/27/2018] [Indexed: 01/26/2023] Open
Abstract
Only a few studies have described sperm chromosome intranuclear positioning changes in men with reproductive failure and an incorrect somatic karyotype. We studied the influence of Robertsonian translocations on the acrocentric chromosome positioning in human sperm cells. The basis of the analysis was the localization of NORs (nucleolar organizing regions) in sperm nuclei from three Robertsonian translocation carriers, namely, rob(13;22), rob(13;15) and rob(13;14), with a known meiotic segregation pattern. All three carriers presented with a similar percentage of genetically normal sperm cells (i.e., approximately 40%). To visualize NORs, we performed 2D-FISH with directly labelled probes. We used the linear and radial topologies of the nucleus to analyse the NORs distribution. We found an affected positioning of NORs in each case of the Robertsonian translocations. Moreover, the NORs tended to group, most often in two clusters. Both in Robertsonian carriers and control sperm cells, NORs mostly colocalized in the medial areas of the nuclei. In the case of the Roberstonian carriers, NORs were mostly concentrated in the peripheral part of the medial area, in contrast to control sperm cells in which the distribution was more dispersed towards the internal area.
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Affiliation(s)
- Ewa Wiland
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - Marta Olszewska
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - Nataliya Huleyuk
- Institute of Hereditary Pathology, Ukrainian Academy of Medical Sciences, Lviv, Ukraine
| | - Vyacheslav B Chernykh
- Research Centre for Medical Genetics, Russian Academy of Medical Sciences, Moscow, Russian Federation
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland.
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Olszewska M, Wiland E, Huleyuk N, Fraczek M, Midro AT, Zastavna D, Kurpisz M. Chromosome (re)positioning in spermatozoa of fathers and sons - carriers of reciprocal chromosome translocation (RCT). BMC Med Genomics 2019; 12:30. [PMID: 30709354 PMCID: PMC6359769 DOI: 10.1186/s12920-018-0470-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 12/28/2018] [Indexed: 01/05/2023] Open
Abstract
Background Non-random chromosome positioning has been observed in the nuclei of several different tissue types, including human spermatozoa. The nuclear arrangement of chromosomes can be altered in men with decreased semen parameters or increased DNA fragmentation and in males with chromosomal numerical or structural aberrations. An aim of this study was to determine whether and how the positioning of nine chromosome centromeres was (re)arranged in the spermatozoa of fathers and sons – carriers of the same reciprocal chromosome translocation (RCT). Methods Fluorescence in situ hybridization (FISH) was applied to analyse the positioning of sperm chromosomes in a group of 13 carriers of 11 RCTs, including two familial RCT cases: t(4;5) and t(7;10), followed by analysis of eight control individuals. Additionally, sperm chromatin integrity was evaluated using TUNEL and Aniline Blue techniques. Results In the analysed familial RCT cases, repositioning of the chromosomes occurred in a similar way when compared to the data generated in healthy controls, even if some differences between father and son were further observed. These differences might have arisen from various statuses of sperm chromatin disintegration. Conclusions Nuclear topology appears as another aspect of epigenetic genomic regulation that may influence DNA functioning. We have re-documented that chromosomal positioning is defined in control males and that a particular RCT is reflected in the individual pattern of chromosomal topology. The present study examining the collected RCT group, including two familial cases, additionally showed that chromosomal factors (karyotype and hyperhaploidy) have superior effects, strongly influencing the chromosomal topology, when confronted with sperm chromatin integrity components (DNA fragmentation or chromatin deprotamination). Electronic supplementary material The online version of this article (10.1186/s12920-018-0470-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marta Olszewska
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland
| | - Ewa Wiland
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland
| | - Nataliya Huleyuk
- National Academy of Medical Sciences of Ukraine, Institute of Hereditary Pathology, Lysenko Str. 31a, Lviv, 79000, Ukraine
| | - Monika Fraczek
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland
| | - Alina T Midro
- Department of Clinical Genetics, Medical University of Bialystok, Waszyngtona 13, PO Box 22, 15-089, Bialystok, Poland
| | - Danuta Zastavna
- National Academy of Medical Sciences of Ukraine, Institute of Hereditary Pathology, Lysenko Str. 31a, Lviv, 79000, Ukraine.,Department of Biotechnology and Bioinformatics, Faculty of Chemistry, Rzeszow University of Technology, Al. Powstancow Warszawy 6, 35-959, Rzeszow, Poland
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479, Poznan, Poland.
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Colaco S, Sakkas D. Paternal factors contributing to embryo quality. J Assist Reprod Genet 2018; 35:1953-1968. [PMID: 30206748 PMCID: PMC6240539 DOI: 10.1007/s10815-018-1304-4] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 08/30/2018] [Indexed: 12/25/2022] Open
Abstract
PURPOSE Advancing maternal and paternal age leads to a decrease in fertility, and hence, many infertile couples opt for assisted reproductive technologies [ART] to achieve biological parenthood. One of the key determinants of achieving a live outcome of ART, embryo quality, depends on both the quality of the oocyte and sperm that have created the embryo. Several studies have explored the effect of oocyte parameters on embryo quality, but the effects of sperm quality on the embryo have not been comprehensively evaluated. METHOD In this review, we assess the effect of various genetic factors of paternal origin on the quality and development of the embryo. RESULTS The effects of sperm aneuploidy, sperm chromatin structure, deoxyribonucleic acid [DNA] fragmentation, role of protamines and histones, sperm epigenetic profile, and Y chromosome microdeletions were explored and found to negatively affect embryo quality. CONCLUSION We propose that careful assessment of spermatozoal parameters is essential to achieve embryo development and a healthy live birth. However, the heterogeneity in test results and the different approaches of assessing a single sperm parameter highlight the need for more research and the development of standardized protocols to assess the role of sperm factors affecting embryo quality.
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Affiliation(s)
- Stacy Colaco
- Molecular and Cellular Biology Laboratory, Indian Council of Medical Research-National Institute for Research in Reproductive Health, JM Street, Parel, Mumbai, 400012, India.
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Altered three-dimensional organization of sperm genome in DPY19L2-deficient globozoospermic patients. J Assist Reprod Genet 2018; 36:69-77. [PMID: 30362053 DOI: 10.1007/s10815-018-1342-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 10/12/2018] [Indexed: 02/07/2023] Open
Abstract
PURPOSE To explore the three-dimensional (3D) organization of sperm genome in DPY19L2-deficient globozoospermic patients speculating a link between DPY19L2 and genome organization of sperm nucleus. METHODS This is a study of chromatin organization in DPY19L2-deficient globozoospermic patients and healthy donors using three-dimensional fluorescence in situ hybridization (3D-FISH) combined with confocal laser scanning microscopy followed by 3D image analysis. The 3D structures of sperm nuclei, chromocenter, telomeric regions and chromosome territories (CTs), were reconstructed using IMARIS software, and the relative radial position for each individual signal was calculated. Statistical analysis used a non-parametric Mann-Whitney test was appropriate with significance at p < 0.05. RESULTS DPY19L2-deficient globozoospermic patients display impaired sperm chromocenter organization resulting in an increased number of chromocenters (5.4 vs 3.5; p < 0.0001). Moreover, radial positions of telomeres are modified with a more central position in globozoospermic nuclei. 3D-FISH analysis of five chromosome territories (CTs) (X, Y, 7, 17, 18) showed that DPY19L2-deficient globozoospermic sperm nuclei display altered spatial organization of CT X, CT 7 and CT 18. CONCLUSIONS Our findings strengthen the hypothesis that DPY19L2 might be considered as a LINC-like protein having a crucial role in the organization of nuclear chromatin in sperm nucleus through its interaction with nuclear lamina. Our results might also explain defective embryonic development after intracytoplasmic sperm injection (ICSI) performed with DPY19L2-deficient globozoospermic sperm.
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Champroux A, Damon-Soubeyrand C, Goubely C, Bravard S, Henry-Berger J, Guiton R, Saez F, Drevet J, Kocer A. Nuclear Integrity but Not Topology of Mouse Sperm Chromosome is Affected by Oxidative DNA Damage. Genes (Basel) 2018; 9:genes9100501. [PMID: 30336622 PMCID: PMC6210505 DOI: 10.3390/genes9100501] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 10/12/2018] [Accepted: 10/15/2018] [Indexed: 01/15/2023] Open
Abstract
Recent studies have revealed a well-defined higher order of chromosome architecture, named chromosome territories, in the human sperm nuclei. The purpose of this work was, first, to investigate the topology of a selected number of chromosomes in murine sperm; second, to evaluate whether sperm DNA damage has any consequence on chromosome architecture. Using fluorescence in situ hybridization, confocal microscopy, and 3D-reconstruction approaches we demonstrate that chromosome positioning in the mouse sperm nucleus is not random. Some chromosomes tend to occupy preferentially discrete positions, while others, such as chromosome 2 in the mouse sperm nucleus are less defined. Using a mouse transgenic model (Gpx5−/−) of sperm nuclear oxidation, we show that oxidative DNA damage does not disrupt chromosome organization. However, when looking at specific nuclear 3D-parameters, we observed that they were significantly affected in the transgenic sperm, compared to the wild-type. Mild reductive DNA challenge confirmed the fragility of the organization of the oxidized sperm nucleus, which may have unforeseen consequences during post-fertilization events. These data suggest that in addition to the sperm DNA fragmentation, which is already known to modify sperm nucleus organization, the more frequent and, to date, the less highly-regarded phenomenon of sperm DNA oxidation also affects sperm chromatin packaging.
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Affiliation(s)
- Alexandre Champroux
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Christelle Damon-Soubeyrand
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Chantal Goubely
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Stephanie Bravard
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Joelle Henry-Berger
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Rachel Guiton
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Fabrice Saez
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Joel Drevet
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
| | - Ayhan Kocer
- GReD "Genetics, Reproduction & Development" Laboratory, UMR CNRS 6293, INSERM U1103, Université Clermont Auvergne, 28 Place Henri Dunant, 63000 Clermont-Ferrand, France.
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Lopes AC, Oliveira PF, Sousa M. Shedding light into the relevance of telomeres in human reproduction and male factor infertility†. Biol Reprod 2018; 100:318-330. [DOI: 10.1093/biolre/ioy215] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/05/2018] [Accepted: 10/01/2018] [Indexed: 12/20/2022] Open
Affiliation(s)
- Ana Catarina Lopes
- Laboratory of Cell Biology, Department of Microscopy, and Multidisciplinary Unit for Biomedical Research (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
- Department of Life Sciences, Faculty of Sciences and Technology, New University of Lisbon (FCT-UNL), Campus Caparica, Caparica, Portugal
| | - Pedro F Oliveira
- Laboratory of Cell Biology, Department of Microscopy, and Multidisciplinary Unit for Biomedical Research (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
- Department of Genetics, Faculty of Medicine, University of Porto, Porto, Portugal
- i3S- Institute of Research and Innovation in Health, University of Porto, Porto, Portugal
| | - Mário Sousa
- Laboratory of Cell Biology, Department of Microscopy, and Multidisciplinary Unit for Biomedical Research (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
- Centre for Reproductive Genetics Professor Alberto Barros, Porto, Portugal
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31
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Chromosome positioning and male infertility: it comes with the territory. J Assist Reprod Genet 2018; 35:1929-1938. [PMID: 30229502 DOI: 10.1007/s10815-018-1313-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 09/11/2018] [Indexed: 01/30/2023] Open
Abstract
The production of functional spermatozoa through spermatogenesis requires a spatially and temporally highly regulated gene expression pattern, which in case of alterations, leads to male infertility. Changes of gene expression by chromosome anomalies, gene variants, and epigenetic alterations have been described as the main genetic causes of male infertility. Recent molecular and cytogenetic approaches have revealed that higher order chromosome positioning is essential for basic genome functions, including gene expression. This review addresses this issue by exposing well-founded evidences which support that alterations on the chromosome topology in spermatogenetic cells leads to defective sperm function and could be considered as an additional genetic cause of male infertility.
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Arhondakis S, Varriale A. Distribution of Nucleosome-enriched Sequences of Human Sperm Chromatin Along Isochores. EXPLORATORY RESEARCH AND HYPOTHESIS IN MEDICINE 2018; 3:54-60. [DOI: 10.14218/erhm.2018.00009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Qiu GH, Huang C, Zheng X, Yang X. The protective function of noncoding DNA in genome defense of eukaryotic male germ cells. Epigenomics 2018; 10:499-517. [PMID: 29616594 DOI: 10.2217/epi-2017-0103] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Peripheral and abundant noncoding DNA has been hypothesized to protect the genome and the central protein-coding sequences against DNA damage in somatic genome. In the cytosol, invading exogenous nucleic acids may first be deactivated by small RNAs encoded by noncoding DNA via mechanisms similar to the prokaryotic CRISPR-Cas system. In the nucleus, the radicals generated by radiation in the cytosol, radiation energy and invading exogenous nucleic acids are absorbed, blocked and/or reduced by peripheral heterochromatin, and damaged DNA in heterochromatin is removed and excluded from the nucleus to the cytoplasm through nuclear pore complexes. To further strengthen the hypothesis, this review summarizes the experimental evidence supporting the protective function of noncoding DNA in the genome of male germ cells. Based on these data, this review provides evidence supporting the protective role of noncoding DNA in the genome defense of sperm genome through similar mechanisms to those of the somatic genome.
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Affiliation(s)
- Guo-Hua Qiu
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology; Key Laboratory of Preventive Veterinary Medicine and Biotechnology, Fujian Province University; College of Life Sciences, Longyan University, Longyan 364012, Fujian, PR China
| | - Cuiqin Huang
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology; Key Laboratory of Preventive Veterinary Medicine and Biotechnology, Fujian Province University; College of Life Sciences, Longyan University, Longyan 364012, Fujian, PR China
| | - Xintian Zheng
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology; Key Laboratory of Preventive Veterinary Medicine and Biotechnology, Fujian Province University; College of Life Sciences, Longyan University, Longyan 364012, Fujian, PR China
| | - Xiaoyan Yang
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology; Key Laboratory of Preventive Veterinary Medicine and Biotechnology, Fujian Province University; College of Life Sciences, Longyan University, Longyan 364012, Fujian, PR China
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Chagin V, Zalensky A, Nazarov I, Mudrak O. Preferable location of chromosomes 1, 29, and X in bovine spermatozoa. AIMS GENETICS 2018; 5:113-123. [PMID: 31435516 PMCID: PMC6698578 DOI: 10.3934/genet.2018.2.113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 03/07/2018] [Indexed: 12/13/2022]
Abstract
Chromosome positioning in sperm nucleus may have a functional significance by influencing the sequence of post-fertilization events. In this study we present data on preferential locations of chromosomes 1, 29 and X in Bos taurus spermatozoa. Here we demonstrate that the position of X chromosome in the sperm nucleus is more restricted as compared to the position of chromosome 1, which is about of the same size. Our data support the concept of the functional significance of genome architecture in male germline cells.
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Affiliation(s)
- Vadim Chagin
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg, Russian Federation
| | - Andrei Zalensky
- The Jones Institute for Reproductive Medicine, Eastern Virginia Medical School, Virginia, USA
| | - Igor Nazarov
- The Jones Institute for Reproductive Medicine, Eastern Virginia Medical School, Virginia, USA
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg, Russian Federation
| | - Olga Mudrak
- The Jones Institute for Reproductive Medicine, Eastern Virginia Medical School, Virginia, USA
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg, Russian Federation
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35
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Giuliano S, Cisale H, Ferrari MR. Morphology, morphometry and chromatin distribution in llama sperm nuclei. Reprod Domest Anim 2018; 53:502-511. [PMID: 29356134 DOI: 10.1111/rda.13137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 12/13/2017] [Indexed: 11/30/2022]
Abstract
The objectives of this study were as follows: (i) to describe and evaluate the frequencies of different morphologies of llama sperm nuclei, (ii) to determine morphometric values of nuclear parameters, (iii) to describe and estimate the frequencies of different classes of chromatin distribution and (iv) to measure haploid DNA content and analyse its nuclear distribution. The study was performed using ejaculates collected from seven males, and sperm nuclei were stained with the Feulgen reaction. Normal morphology ranged from 78.36% to 93.92%, and abnormalities included short, small, large, pyriform, narrow, micro and round nuclei. Important differences in nuclei considered normal were found between some males. The following average values were obtained for each sperm nuclear morphometric parameter analysed: area 11.64 μm2 , perimeter 13.16 μm, length 5.12 μm, width 2.81 μm, ellipticity 1.85 and form 0.83. Differences between males were significant for all the parameters (p < .01). Light microscope observations and cytophotometric determinations allowed discriminating between three classes of chromatin distribution: homogeneous, diffuse and showing a clear band. Significant differences between males were found for the frequencies of the three classes (p < .01). Cluster analysis methods were used to estimate the resemblance between males according to the characteristics of their sperm nuclei. A great intermale variability was found for morphological, morphometric and chromatin distribution data. These parameters would have low dependence between them.
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Affiliation(s)
- S Giuliano
- Facultad de Ciencias Veterinarias, Instituto de Investigación y Tecnología en Reproducción Animal (INITRA), Cátedra de Física Biológica, Ciudad Autónoma de Buenos Aires, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - H Cisale
- Facultad de Ciencias Veterinarias, Instituto de Investigación y Tecnología en Reproducción Animal (INITRA), Cátedra de Física Biológica, Ciudad Autónoma de Buenos Aires, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - M R Ferrari
- Facultad de Ciencias Veterinarias, Instituto de Investigación y Tecnología en Reproducción Animal (INITRA), Cátedra de Física Biológica, Ciudad Autónoma de Buenos Aires, Universidad de Buenos Aires, Buenos Aires, Argentina
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Ioannou D, Tempest HG. Does genome organization matter in spermatozoa? A refined hypothesis to awaken the silent vessel. Syst Biol Reprod Med 2018; 64:518-534. [DOI: 10.1080/19396368.2017.1421278] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Dimitrios Ioannou
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
- IVF Florida Reproductive Associates, Margate, FL, USA
| | - Helen G. Tempest
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
- Biomolecular Sciences Institute, Florida International University, Miami, FL, USA
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Meyer RG, Ketchum CC, Meyer-Ficca ML. Heritable sperm chromatin epigenetics: a break to remember†. Biol Reprod 2017; 97:784-797. [DOI: 10.1093/biolre/iox137] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 10/31/2017] [Indexed: 02/07/2023] Open
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Oblette A, Rives N, Dumont L, Rives A, Verhaeghe F, Jumeau F, Rondanino C. Assessment of sperm nuclear quality after in vitro maturation of fresh or frozen/thawed mouse pre-pubertal testes. Mol Hum Reprod 2017; 23:674-684. [DOI: 10.1093/molehr/gax048] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 08/17/2017] [Indexed: 11/13/2022] Open
Affiliation(s)
- A Oblette
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
| | - N Rives
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
| | - L Dumont
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
| | - A Rives
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
| | - F Verhaeghe
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
| | - F Jumeau
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
| | - C Rondanino
- Normandie Univ, UNIROUEN, EA 4308 ‘Gametogenesis and Gamete Quality’, Rouen University Hospital, Department of Reproductive Biology—CECOS, F 76000 Rouen, France
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Lafuente R, Bosch-Rue E, Ribas-Maynou J, Alvarez J, Brassesco C, Amengual MJ, Benet J, Garcia-Peiró A, Brassesco M. Sperm telomere length in motile sperm selection techniques: A qFISH approach. Andrologia 2017; 50. [PMID: 28699197 DOI: 10.1111/and.12840] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/13/2017] [Indexed: 12/23/2022] Open
Abstract
Several studies have associated telomere shortening with alterations in reproductive function. The objective of the present study was to determine telomere length (TL) in spermatozoa selected by either density-gradient centrifugation (DGC) or swim-up. The analysis of TL was performed using quantitative fluorescent in situ hybridisation (qFISH) using PNA probes in combination with a chromatin decompaction protocol in sperm cells. Results of TL were 24.64 ± 5.00 Kb and 24.95 ± 4.60 Kb before and after DGC, respectively, and 19.59 ± 8.02 Kb and 20.22 ± 5.18 Kb before and after swim-up respectively. Sperm selected by DGC or swim-up did not show any significant differences in TL as compared to nonselected sperm (p > .05). Negative correlations between TL and sperm motility (r = -.308; p = .049) and concentration (r = -.353; p = .028) were found. Furthermore, exposure of sperm to increasing concentrations of hydrogen peroxide during incubation resulted in a reduction in TL. These data indicate that oxidative stress may be one of the main factors involved in the reduction of TL in sperm. Preliminary clinical results from patients included in this study indicate that TL was shorter in spermatozoa from couples who never achieved a pregnancy compared to couples who did achieve at least one natural pregnancy (p < .05); however, the clinical utility of this biomarker still needs to be confirmed in further studies.
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Affiliation(s)
- R Lafuente
- Centro de Infertilidad y Reproducción Humana (CIRH), Barcelona, Spain
| | - E Bosch-Rue
- CIMAB, Centro de Infertilidad Masculina y Análisis de Barcelona, Edificio Eureka, Parc de Recerca de la UAB, Campus de la Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - J Ribas-Maynou
- CIMAB, Centro de Infertilidad Masculina y Análisis de Barcelona, Edificio Eureka, Parc de Recerca de la UAB, Campus de la Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - J Alvarez
- Centro Androgen, La Coruña, Spain.,Harvard Medical School, Boston, MA, USA
| | - C Brassesco
- Centro de Infertilidad y Reproducción Humana (CIRH), Barcelona, Spain
| | - M J Amengual
- UDIAT, Centre Diagnòstic, Corporació Sanitària i Universitària Parc Taulí, Institut Universitari Parc Taulí-UAB, Sabadell, Spain
| | - J Benet
- Facultat de Medicina, Unitat de Biologia Cel·lular i Genètica Mèdica, Departament de Biologia Cel·lular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - A Garcia-Peiró
- CIMAB, Centro de Infertilidad Masculina y Análisis de Barcelona, Edificio Eureka, Parc de Recerca de la UAB, Campus de la Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - M Brassesco
- Centro de Infertilidad y Reproducción Humana (CIRH), Barcelona, Spain
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Ioannou D, Millan NM, Jordan E, Tempest HG. A new model of sperm nuclear architecture following assessment of the organization of centromeres and telomeres in three-dimensions. Sci Rep 2017; 7:41585. [PMID: 28139771 PMCID: PMC5282497 DOI: 10.1038/srep41585] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 12/21/2016] [Indexed: 01/01/2023] Open
Abstract
The organization of chromosomes in sperm nuclei has been proposed to possess a unique “hairpin-loop” arrangement, which is hypothesized to aid in the ordered exodus of the paternal genome following fertilization. This study simultaneously assessed the 3D and 2D radial and longitudinal organization of telomeres, centromeres, and investigated whether chromosomes formed the same centromere clusters in sperm cells. Reproducible radial and longitudinal non-random organization was observed for all investigated loci using both 3D and 2D approaches in multiple subjects. We report novel findings, with telomeres and centromeres being localized throughout the nucleus but demonstrating roughly a 1:1 distribution in the nuclear periphery and the intermediate regions with <15% occupying the nuclear interior. Telomeres and centromeres were observed to aggregate in sperm nuclei, forming an average of 20 and 7 clusters, respectively. Reproducible
longitudinal organization demonstrated preferential localization of telomeres and centromeres in the mid region of the sperm cell. Preliminary evidence is also provided to support the hypothesis that specific chromosomes preferentially form the same centromere clusters. The more segmental distribution of telomeres and centromeres as described in this study could more readily accommodate and facilitate the sequential exodus of paternal chromosomes following fertilization.
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Affiliation(s)
- Dimitrios Ioannou
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Nicole M Millan
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Elizabeth Jordan
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Helen G Tempest
- Department of Human and Molecular Genetics, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA.,Biomolecular Sciences Institute, Florida International University, Miami, FL, USA
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Altered bivalent positioning in metaphase I human spermatocytes from Robertsonian translocation carriers. J Assist Reprod Genet 2016; 34:131-138. [PMID: 27655390 DOI: 10.1007/s10815-016-0809-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 09/05/2016] [Indexed: 10/21/2022] Open
Abstract
PURPOSE The study aims to determine whether there is an altered bivalent positioning in metaphase I human spermatocytes from Robertsonian translocation carriers. METHODS Metaphase I human spermatocytes from three 45,XY,der(13;14)(q10;q10) individuals and a 45,XY,der(14;15)(q10;q10) individual were analyzed. Proximity relationships of bivalents were established by analyzing meiotic preparations combining Leishman staining and multiplex-FISH procedures. Poisson regression model was used to determine proximity frequencies between bivalents and to assess associations with chromosome size, gene density, acrocentric morphology, and chromosomes with heterochromatic blocks. The hierarchical cluster Ward method was used to characterize the groups of bivalents with preferred proximities in a cluster analysis. Bivalent groups obtained were individually compared with those obtained in normal karyotype individuals evaluated in a previous study. RESULTS A total of 1288 bivalents were examined, giving a total of 2289 proximity data. Only four positive significant proximities were detected for each type of Robertsonian translocation. Significant bivalent associations were only observed by small-size chromosomes for MI,22,XY,III(13q14q). These results were clearly divergent from 46,XY individuals. Moreover, cluster analysis revealed that about 30 % of the bivalents showed changes in their proximity relationships in metaphase I. CONCLUSIONS The territorial organization of bivalents in metaphase I human spermatocytes changes in the presence of a Robertsonian translocation.
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Topology of chromosome centromeres in human sperm nuclei with high levels of DNA damage. Sci Rep 2016; 6:31614. [PMID: 27558650 PMCID: PMC4997348 DOI: 10.1038/srep31614] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 07/20/2016] [Indexed: 11/09/2022] Open
Abstract
Several studies have shown that the 'poor' sperm DNA quality appears to be an important factor affecting male reproductive ability. In the case of sperm cells from males with the correct somatic karyotype but with deficient spermatogenesis, resulting in a high degree of sperm DNA fragmentation, we observed changes in the preferential topology of the chromosome 7, 9, 15, 18, X and Y centromeres. The changes occurred in radial localization and may have been directly linked to the sperm chromatin damage. This conclusion is mainly based on a comparison of FISH signals that were observed simultaneously in the TUNEL-positive and TUNEL-negative sperm cells. The analyzed cells originated from the same ejaculated sample and FISH was performed on the same slides, after in situ TUNEL reaction. Based on the observed changes and previous data, it appears that the sperm nucleus architecture can be disrupted by a variety of factors and has a negative influence on spermatogenesis at the same time. Often, these factors coexist (e.g. chromosomal translocations, aneuploidies, a higher DNA fragmentation, abnormal seminology), but no direct correlations between the factors were observed.
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Gawecka JE, Ribas-Maynou J, Benet J, Ward WS. A model for the control of DNA integrity by the sperm nuclear matrix. Asian J Androl 2016; 17:610-5. [PMID: 25926613 PMCID: PMC4492052 DOI: 10.4103/1008-682x.153853] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
The highly condensed chromatin of mammalian spermatozoa is usually considered to be biologically inert before fertilization. However, we have demonstrated that even in this compacted state, sperm chromatin is subject to degradation at open configurations associated with the nuclear matrix through a process we have termed sperm chromatin fragmentation (SCF). This suggests that a mechanism exists to monitor the health of spermatozoa during transit through the male reproductive tract and to destroy the genome of defective sperm cells. The site of DNA damage in SCF, the matrix attachment sites, are the same that we hypothesize initiate DNA synthesis in the zygote. When sperm that have damaged DNA are injected into the oocyte, the newly created zygote responds by delaying DNA synthesis in the male pronucleus and, if the damage is severe enough, arresting the embryo's development. Here we present a model for paternal DNA regulation by the nuclear matrix that begins during sperm maturation and continues through early embryonic development.
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Affiliation(s)
| | | | | | - W Steven Ward
- Institute for Biogenesis Research, Department of Anatomy, Biochemistry and Physiology; Department of Obstetrics, Gynecology and Women's Health, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI 96822, USA
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Abstract
The paternal contribution to fertilization and embryogenesis is frequently overlooked as the spermatozoon is often considered to be a silent vessel whose only function is to safely deliver the paternal genome to the maternal oocyte. In this article, we hope to demonstrate that this perception is far from the truth. Typically, infertile men have been unable to conceive naturally (or through regular IVF), and therefore, a perturbation of the genetic integrity of sperm heads in infertile males has been under-considered. The advent of intracytoplasmic sperm injection (ICSI) however has led to very successful treatment of male factor infertility and subsequent widespread use in IVF clinics worldwide. Until recently, little concern has been raised about the genetic quality of sperm in ICSI patients or the impact genetic aberrations could have on fertility and embryogenesis. This review highlights the importance of chromatin packaging in the sperm nucleus as essential for the establishment and maintenance of a viable pregnancy.
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Kocer A, Henry-Berger J, Noblanc A, Champroux A, Pogorelcnik R, Guiton R, Janny L, Pons-Rejraji H, Saez F, Johnson GD, Krawetz SA, Alvarez JG, Aitken RJ, Drevet JR. Oxidative DNA damage in mouse sperm chromosomes: Size matters. Free Radic Biol Med 2015; 89:993-1002. [PMID: 26510519 DOI: 10.1016/j.freeradbiomed.2015.10.419] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 10/18/2015] [Accepted: 10/22/2015] [Indexed: 01/24/2023]
Abstract
Normal embryo and foetal development as well as the health of the progeny are mostly dependent on gamete nuclear integrity. In the present study, in order to characterize more precisely oxidative DNA damage in mouse sperm we used two mouse models that display high levels of sperm oxidative DNA damage, a common alteration encountered both in in vivo and in vitro reproduction. Immunoprecipitation of oxidized sperm DNA coupled to deep sequencing showed that mouse chromosomes may be largely affected by oxidative alterations. We show that the vulnerability of chromosomes to oxidative attack inversely correlated with their size and was not linked to their GC richness. It was neither correlated with the chromosome content in persisting nucleosomes nor associated with methylated sequences. A strong correlation was found between oxidized sequences and sequences rich in short interspersed repeat elements (SINEs). Chromosome position in the sperm nucleus as revealed by fluorescent in situ hybridization appears to be a confounder. These data map for the first time fragile mouse sperm chromosomal regions when facing oxidative damage that may challenge the repair mechanisms of the oocyte post-fertilization.
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Affiliation(s)
- Ayhan Kocer
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Joelle Henry-Berger
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Anais Noblanc
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Alexandre Champroux
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Romain Pogorelcnik
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Rachel Guiton
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Laurent Janny
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France; CHU Estaing, Assistance Médicale à la Procréation, Clermont-Ferrand, France
| | - Hanae Pons-Rejraji
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France; CHU Estaing, Assistance Médicale à la Procréation, Clermont-Ferrand, France
| | - Fabrice Saez
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France
| | - Graham D Johnson
- Center for Molecular Medicine & Genetics, Department of Obstetrics & Gynecology, Wayne State University, Detroit, MI 48201, USA
| | - Stephen A Krawetz
- Center for Molecular Medicine & Genetics, Department of Obstetrics & Gynecology, Wayne State University, Detroit, MI 48201, USA
| | - Juan G Alvarez
- Centro ANDROGEN, La Coruña, Spain; Harvard Medical School, Boston, MA 02115, USA
| | - R John Aitken
- Priority Research Centre in Reproductive Science, School of Environmental and Life Sciences, University of Newcastle, Callaghan, Australia
| | - Joël R Drevet
- GReD laboratory, CNRS UMR6293-INSERM U1103-Clermont Université, BP80006, 63171 Aubière cedex, France.
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Olszewska M, Wanowska E, Kishore A, Huleyuk N, Georgiadis AP, Yatsenko AN, Mikula M, Zastavna D, Wiland E, Kurpisz M. Genetic dosage and position effect of small supernumerary marker chromosome (sSMC) in human sperm nuclei in infertile male patient. Sci Rep 2015; 5:17408. [PMID: 26616419 PMCID: PMC4663790 DOI: 10.1038/srep17408] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 10/28/2015] [Indexed: 11/12/2022] Open
Abstract
Chromosomes occupy specific distinct areas in the nucleus of the sperm cell that may be altered in males with disrupted spermatogenesis. Here, we present alterations in the positioning of the human chromosomes 15, 18, X and Y between spermatozoa with the small supernumerary marker chromosome (sSMC; sSMC+) and spermatozoa with normal chromosome complement (sSMC−), for the first time described in the same ejaculate of an infertile, phenotypically normal male patient. Using classical and confocal fluorescent microscopy, the nuclear colocalization of chromosomes 15 and sSMC was analyzed. The molecular cytogenetic characteristics of sSMC delineated the karyotype as 47,XY,+der(15)(pter->p11.2::q11.1->q11.2::p11.2->pter)mat. Analysis of meiotic segregation showed a 1:1 ratio of sSMC+ to sSMC− spermatozoa, while evaluation of sperm aneuploidy status indicated an increased level of chromosome 13, 18, 21 and 22 disomy, up to 7 × (2.7 − 15.1). Sperm chromatin integrity assessment did not reveal any increase in deprotamination in the patient’s sperm chromatin. Importantly, we found significant repositioning of chromosomes X and Y towards the nuclear periphery, where both chromosomes were localized in close proximity to the sSMC. This suggests the possible influence of sSMC/XY colocalization on meiotic chromosome division, resulting in abnormal chromosome segregation, and leading to male infertility in the patient.
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Affiliation(s)
- Marta Olszewska
- Institute of Human Genetics, Polish Academy of Sciences, Department of Reproductive Biology and Stem Cells, Strzeszynska 32, 60-479 Poznan, Poland
| | - Elzbieta Wanowska
- Institute of Human Genetics, Polish Academy of Sciences, Department of Reproductive Biology and Stem Cells, Strzeszynska 32, 60-479 Poznan, Poland
| | - Archana Kishore
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh 15213, PA, USA
| | - Nataliya Huleyuk
- Institute of Hereditary Pathology, Ukrainian Academy of Medical Sciences, Lysenko Str. 31a, 79000 Lviv, Ukraine
| | - Andrew P Georgiadis
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh 15213, PA, USA
| | - Alexander N Yatsenko
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh 15213, PA, USA
| | - Mariya Mikula
- Institute of Hereditary Pathology, Ukrainian Academy of Medical Sciences, Lysenko Str. 31a, 79000 Lviv, Ukraine
| | - Danuta Zastavna
- Institute of Hereditary Pathology, Ukrainian Academy of Medical Sciences, Lysenko Str. 31a, 79000 Lviv, Ukraine
| | - Ewa Wiland
- Institute of Human Genetics, Polish Academy of Sciences, Department of Reproductive Biology and Stem Cells, Strzeszynska 32, 60-479 Poznan, Poland
| | - Maciej Kurpisz
- Institute of Human Genetics, Polish Academy of Sciences, Department of Reproductive Biology and Stem Cells, Strzeszynska 32, 60-479 Poznan, Poland
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Haji Ebrahim Zargar H, Mohseni Meybodi A, Sabbaghian M, Shahhoseini M, Asadpor U, Sadighi Gilani MA, Chehrazi M, Farhangniya M, Shahzadeh Fazeli SA. Association of Two Polymorphisms in H2B.W Gene with Azoospermia and Severe Oligozoospermia in An Iranian Population. INTERNATIONAL JOURNAL OF FERTILITY & STERILITY 2015; 9:205-14. [PMID: 26246879 PMCID: PMC4518489 DOI: 10.22074/ijfs.2015.4241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 02/08/2014] [Indexed: 01/03/2023]
Abstract
BACKGROUND During spermatogenesis, the H2B family, member W (H2B.W) gene, en- codes a testis specific histone that is co-localized with telomeric sequences and has the potential role to mediate the sperm-specific chromatin remodeling. Previously H2B.W genetic variants were reported to be involved in susceptibility to spermatogenesis im- pairment. In the present study, two single nucleotide polymorphisms (SNPs) in 5΄UTR and exon 1 of H2B.W gene were examined to investigate possible association of these polymorphisms with male infertility in Iranian population. MATERIALS AND METHODS This case control study was conducted in Royan institute during four-year period (2010-2013). Genetic alteration of two SNPs loci, -9C>T and 368A>G, in H2B.W gene were indicated in 92 infertile men who were divided into two main groups includ- ing azoospermia (n=46) and sever oligozoospermia (n=46), while there was 60 fertile men as control group. Azoosperima was also divided into three sub-groups including sertoli cell only syndrome (SCOS, n=21), complete maturation arrest (CMA, n=17) and hypo spermatogenesis (n=8) according to testicular biopsy. For analysis, polymerase chain reaction-restriction frag- ment length polymorphism (PCR-RFLP) technique was applied. RESULTS The frequency of allele -9T was significantly higher in CMA group than in patients with SCOS (P<0.05). The haplotype TA (corresponding to simultaneous occur- rence of -9T and 368A) compared with haplotype CA (corresponding to simultaneous occurrence of -9C and 368A) in patients suffering from CMA significantly increased, compared with patients had SCOS (P<0.05). However, statistical studies indicated that in general, the distribution frequencies of -9C>T and 368A>G had no significant difference between the infertile groups and control (P=0.859 and P=0.812, respectively). CONCLUSION This investigation showed that SNP -9C>T might be contribute to CMA in azoo- spermic patients and SNP 368A>G had no correlation with male infertility in Iranian population.
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Affiliation(s)
- Haleh Haji Ebrahim Zargar
- Department of Molecular and Cellular Biology, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran ; Department of Genetics at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Anahita Mohseni Meybodi
- Department of Genetics at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Marjan Sabbaghian
- Department of Andrology at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Maryam Shahhoseini
- Department of Genetics at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Ummulbanin Asadpor
- Department of Genetics at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mohammad Ali Sadighi Gilani
- Department of Andrology at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mohammad Chehrazi
- Department of Epidemiology and Reproductive Health at Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mansoureh Farhangniya
- Department of Molecular and Cellular Biology, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran ; Iranian Biological Resource Center (IBRC), ACECR, Tehran, Iran
| | - Seyed Abolhassan Shahzadeh Fazeli
- Department of Molecular and Cellular Biology, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran ; Department of Genetics at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran ; Iranian Biological Resource Center (IBRC), ACECR, Tehran, Iran
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Meiotic Nondisjunction: Insights into the Origin and Significance of Aneuploidy in Human Spermatozoa. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 868:1-21. [DOI: 10.1007/978-3-319-18881-2_1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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49
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Chromosome size, morphology, and gene density determine bivalent positioning in metaphase I human spermatocytes. Fertil Steril 2014; 101:818-24. [DOI: 10.1016/j.fertnstert.2013.11.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 10/18/2013] [Accepted: 11/11/2013] [Indexed: 12/29/2022]
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50
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Abstract
The former perception of the spermatozoon as a delivery device of the male genome has been expanded to include a new understanding of the cell's complex role in fertilization. Once the spermatozoon reaches the oocyte, it triggers egg activation and orchestrates the stages of pre- and post-fertilization in a preprogrammed pattern while tapping the oocyte's resources in an effort to generate a new life.
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Affiliation(s)
- Queenie V Neri
- The Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medical College, 1305 York Avenue, Suite 720, New York, NY, 10021, USA
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