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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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Kramer EM, Enelamah J, Fang H, Tayjasanant PA. Karyotype depends on sperm head morphology in some amniote groups. Front Genet 2024; 15:1396530. [PMID: 38903758 PMCID: PMC11186999 DOI: 10.3389/fgene.2024.1396530] [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: 03/05/2024] [Accepted: 05/15/2024] [Indexed: 06/22/2024] Open
Abstract
The karyotype of an organism is the set of gross features that characterize the way the genome is packaged into separate chromosomes. It has been known for decades that different taxonomic groups often have distinct karyotypic features, but whether selective forces act to maintain these differences over evolutionary timescales is an open question. In this paper we analyze a database of karyotype features and sperm head morphology in 103 mammal species with spatulate sperm heads and 90 sauropsid species (birds and non-avian reptiles) with vermiform heads. We find that mammal species with a larger head area have more chromosomes, while sauropsid species with longer heads have a wider range of chromosome lengths. These results remain significant after controlling for genome size, so sperm head morphology is the relevant variable. This suggest that post-copulatory sexual selection, by acting on sperm head shape, can influence genome architecture.
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Affiliation(s)
- Eric M. Kramer
- Department of Physics, Bard College at Simon’s Rock, Great Barrington, MA, United States
- Department of Biology, Bard College at Simon’s Rock, Great Barrington, MA, United States
| | - Joshua Enelamah
- Department of Physics, Bard College at Simon’s Rock, Great Barrington, MA, United States
| | - Hao Fang
- Department of Physics, Bard College at Simon’s Rock, Great Barrington, MA, United States
| | - P. A. Tayjasanant
- Department of Physics, Bard College at Simon’s Rock, Great Barrington, MA, United States
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Liu X, Wang H, Liu B, Qi Z, Li J, Xu B, Liu W, Xu Z, Deng Y. The Latest Research Progress of m 6A Modification and Its Writers, Erasers, Readers in Infertility: A Review. Front Cell Dev Biol 2021; 9:681238. [PMID: 34568313 PMCID: PMC8461070 DOI: 10.3389/fcell.2021.681238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/06/2021] [Indexed: 01/22/2023] Open
Abstract
Eukaryotic messenger mRNAs contain many RNA methyl chemical modifications, in which N6-methyladenosine (m6A) plays a very important role. The modification process of RNA methylation is a dynamic reversible regulatory process that is mainly catalyzed by "Writer" m6A methyltransferase, removed by "Eraser" m6A demethylase, and recognized by the m6A binding protein, thereby, linking m6A modification with other mRNA pathways. At various stages of the life cycle, m6A modification plays an extremely important role in regulating mRNA splicing, processing, translation, as well as degradation, and is associated with gametogenesis and fertility for both sexes. Normal gametogenesis is a basic guarantee of fertility. Infertility leads to trauma, affects harmony in the family and seriously affects the quality of life. We review the roles and mechanisms of RNA m6A methylation modification in infertility and provide a potential target for infertility treatment, which can be used for drug development.
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Affiliation(s)
- Xuda Liu
- Department of Public Health, China Medical University, Shenyang, China
| | - Haiying Wang
- Department of Public Health, China Medical University, Shenyang, China
| | - Bingchen Liu
- Department of Public Health, China Medical University, Shenyang, China
| | - Zhipeng Qi
- Department of Public Health, China Medical University, Shenyang, China
| | - Jiashuo Li
- Department of Public Health, China Medical University, Shenyang, China
| | - Bin Xu
- Department of Public Health, China Medical University, Shenyang, China
| | - Wei Liu
- Department of Public Health, China Medical University, Shenyang, China
| | - Zhaofa Xu
- Department of Public Health, China Medical University, Shenyang, China
| | - Yu Deng
- Department of Public Health, China Medical University, Shenyang, China
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Manfrevola F, Guillou F, Fasano S, Pierantoni R, Chianese R. LINCking the Nuclear Envelope to Sperm Architecture. Genes (Basel) 2021; 12:genes12050658. [PMID: 33925685 PMCID: PMC8145172 DOI: 10.3390/genes12050658] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/13/2021] [Accepted: 04/24/2021] [Indexed: 12/11/2022] Open
Abstract
Nuclear architecture undergoes an extensive remodeling during spermatogenesis, especially at levels of spermatocytes (SPC) and spermatids (SPT). Interestingly, typical events of spermiogenesis, such as nuclear elongation, acrosome biogenesis, and flagellum formation, need a functional cooperation between proteins of the nuclear envelope and acroplaxome/manchette structures. In addition, nuclear envelope plays a key role in chromosome distribution. In this scenario, special attention has been focused on the LINC (linker of nucleoskeleton and cytoskeleton) complex, a nuclear envelope-bridge structure involved in the connection of the nucleoskeleton to the cytoskeleton, governing mechanotransduction. It includes two integral proteins: KASH- and SUN-domain proteins, on the outer (ONM) and inner (INM) nuclear membrane, respectively. The LINC complex is involved in several functions fundamental to the correct development of sperm cells such as head formation and head to tail connection, and, therefore, it seems to be important in determining male fertility. This review provides a global overview of the main LINC complex components, with a special attention to their subcellular localization in sperm cells, their roles in the regulation of sperm morphological maturation, and, lastly, LINC complex alterations associated to male infertility.
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Affiliation(s)
- Francesco Manfrevola
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania L. Vanvitelli, Via Costantinopoli 16, 80138 Napoli, Italy; (F.M.); (S.F.); (R.P.)
| | - Florian Guillou
- PRC, CNRS, IFCE, INRAE, University of Tours, 37380 Nouzilly, France;
| | - Silvia Fasano
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania L. Vanvitelli, Via Costantinopoli 16, 80138 Napoli, Italy; (F.M.); (S.F.); (R.P.)
| | - Riccardo Pierantoni
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania L. Vanvitelli, Via Costantinopoli 16, 80138 Napoli, Italy; (F.M.); (S.F.); (R.P.)
| | - Rosanna Chianese
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania L. Vanvitelli, Via Costantinopoli 16, 80138 Napoli, Italy; (F.M.); (S.F.); (R.P.)
- Correspondence:
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Jiang S, Liang C, Gao Y, Liu Y, Han Y, Wang J, Zhang J. Fluoride exposure arrests the acrosome formation during spermatogenesis via down-regulated Zpbp1, Spaca1 and Dpy19l2 expression in rat testes. CHEMOSPHERE 2019; 226:874-882. [PMID: 31509916 DOI: 10.1016/j.chemosphere.2019.04.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 04/01/2019] [Accepted: 04/03/2019] [Indexed: 06/10/2023]
Abstract
The exposure and health effects of fluoride are an ongoing topic that has attracted worldwide attention. Fluoride exposure disturbs the testicular development, sexual hormone levels and spermatogenesis. However, as to whether fluoride interferes with acrosome formation which is essential for production of capable spermatozoa during spermatogenesis still remains unclear. The objective was to determine the effects of fluoride on the acrosome formation and to further elucidate the potential mechanism of impaired reproductive function. For this, forty adult rats were assigned into four groups. The control group received distilled water, while the other three groups were treated with 25, 50 and 100 mg NaF/L via drinking water for 56 d, respectively. Testes were processed for total RNA extraction and western blot analysis. Three samples of each group were fixed in 2.5% glutaraldehyde solution for transmission electron microscopy analysis. From the results, we first found that fluoride decreased the expression of mRNA and protein levels of Zpbp1, Spaca1 and Dpy19l2 of seven markers during acrosome biogenesis in testes. Furthermore, fluoride damaged not only the acrosome structure, but also the structure of the nuclear lamina which was observed to be discontinuous and partially missing by transmission electron microscopy. Moreover, the results indicated that the altered structure in nuclear lamina maybe due to reduced LMNB2 expression in testis induced by fluoride. In a nutshell, fluoride exposure could restrain acrosome biogenesis during spermatogenesis and contribute to the elucidation of the underlying mechanisms of fluoride-induced male reproductive toxicity.
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Affiliation(s)
- Shanshan Jiang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Chen Liang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Yan Gao
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Yu Liu
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Yongli Han
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Jundong Wang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Jianhai Zhang
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China; College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China.
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