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Laisné M, Rodgers B, Benlamara S, Wicinski J, Nicolas A, Djerroudi L, Gupta N, Ferry L, Kirsh O, Daher D, Philippe C, Okada Y, Charafe-Jauffret E, Cristofari G, Meseure D, Vincent-Salomon A, Ginestier C, Defossez PA. A novel bioinformatic approach reveals cooperation between Cancer/Testis genes in basal-like breast tumors. Oncogene 2024; 43:1369-1385. [PMID: 38467851 PMCID: PMC11065691 DOI: 10.1038/s41388-024-03002-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 02/22/2024] [Accepted: 03/01/2024] [Indexed: 03/13/2024]
Abstract
Breast cancer is the most prevalent type of cancer in women worldwide. Within breast tumors, the basal-like subtype has the worst prognosis, prompting the need for new tools to understand, detect, and treat these tumors. Certain germline-restricted genes show aberrant expression in tumors and are known as Cancer/Testis genes; their misexpression has diagnostic and therapeutic applications. Here we designed a new bioinformatic approach to examine Cancer/Testis gene misexpression in breast tumors. We identify several new markers in Luminal and HER-2 positive tumors, some of which predict response to chemotherapy. We then use machine learning to identify the two Cancer/Testis genes most associated with basal-like breast tumors: HORMAD1 and CT83. We show that these genes are expressed by tumor cells and not by the microenvironment, and that they are not expressed by normal breast progenitors; in other words, their activation occurs de novo. We find these genes are epigenetically repressed by DNA methylation, and that their activation upon DNA demethylation is irreversible, providing a memory of past epigenetic disturbances. Simultaneous expression of both genes in breast cells in vitro has a synergistic effect that increases stemness and activates a transcriptional profile also observed in double-positive tumors. Therefore, we reveal a functional cooperation between Cancer/Testis genes in basal breast tumors; these findings have consequences for the understanding, diagnosis, and therapy of the breast tumors with the worst outcomes.
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Affiliation(s)
- Marthe Laisné
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Brianna Rodgers
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Sarah Benlamara
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Julien Wicinski
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Epithelial Stem Cells and Cancer Laboratory, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France
| | - André Nicolas
- Platform of Experimental Pathology, Department of Diagnostic and Theranostic Medicine, Institut Curie-Hospital, 75005, Paris, France
| | - Lounes Djerroudi
- Department of Pathology, Institut Curie, 26 Rue d'Ulm, 75005, Paris, France
| | - Nikhil Gupta
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Laure Ferry
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Olivier Kirsh
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | - Diana Daher
- Université Paris Cité, CNRS, Epigenetics and Cell Fate, F-75013, Paris, France
| | | | - Yuki Okada
- Institute for Quantitative Biosciences, The University of Tokyo, Tokyo, Japan
| | - Emmanuelle Charafe-Jauffret
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Epithelial Stem Cells and Cancer Laboratory, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France
| | | | - Didier Meseure
- Platform of Experimental Pathology, Department of Diagnostic and Theranostic Medicine, Institut Curie-Hospital, 75005, Paris, France
| | | | - Christophe Ginestier
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille University, Epithelial Stem Cells and Cancer Laboratory, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France
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Xu S, Zhang S, Zhang W, Liu H, Wang M, Zhong L, Bian W, Chen X. Genome-Wide Identification, Phylogeny, and Expression Profile of the Dmrt (Doublesex and Mab-3 Related Transcription Factor) Gene Family in Channel Catfish ( Ictalurus punctatus). Front Genet 2022; 13:891204. [PMID: 35571040 PMCID: PMC9095985 DOI: 10.3389/fgene.2022.891204] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 03/31/2022] [Indexed: 11/13/2022] Open
Abstract
The Dmrt (Doublesex and Mab-3 related transcription factor) gene family is a class of crucial transcription factors characterized by a conserved DM domain related to sex determination and differentiation, which has been systematically described in various teleost fish, but less in channel catfish (Ictalurus punctatus), an important global aquaculture species in the US and China. In this study, seven Dmrt genes from channel catfish genome were identified and analyzed using bioinformatics methods. Seven IpDmrt genes were distributed unevenly across five chromosomes. Synteny analysis revealed that Dmrt1, Dmrt2a, Dmrt2b, Dmrt3, Dmrt4, and Dmrt5 were relatively conserved in teleost fish. Tissue distribution analysis showed that IpDmrt1, IpDmrt2b, IpDmrt5, and IpDmrt6 exhibited sexually dimorphic expression patterns and, among them, IpDmrt1 and IpDmrt6 had high expression levels in the testes, while IpDmrt2b and IpDmrt5 had more significant expression levels in the ovaries than in other tissues. After 17β-estradiol treatment, IpDmrt2b and IpDmrt5 were significantly up regulated, while the expression of IpDmrt1 and IpDmrt6 was significantly repressed in XY channel catfish ovaries compared with XX channel catfish ovaries. The present study provides a comprehensive insight into the Dmrt gene family of channel catfish. The results suggest that IpDmrt1 and IpDmrt6 may play an important role in testis differentiation/development, while IpDmrt2b and IpDmrt5 are critical in ovary development in this species.
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Affiliation(s)
- Siqi Xu
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,College of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang, China
| | - Shiyong Zhang
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing, China
| | - Wenping Zhang
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,College of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang, China
| | - Hongyan Liu
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China
| | - Minghua Wang
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing, China
| | - Liqiang Zhong
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing, China
| | - Wenji Bian
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,College of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang, China.,The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing, China
| | - Xiaohui Chen
- National Genetic Breeding Center of Channel Catfish, Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing, China.,College of Marine Science and Fisheries, Jiangsu Ocean University, Lianyungang, China.,The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing, China
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3
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Zhang ZH, Jiang TX, Chen LB, Zhou W, Liu Y, Gao F, Qiu XB. Proteasome subunit α4s is essential for formation of spermatoproteasomes and histone degradation during meiotic DNA repair in spermatocytes. J Biol Chem 2021; 296:100130. [PMID: 33262216 PMCID: PMC7949063 DOI: 10.1074/jbc.ra120.016485] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/18/2020] [Accepted: 12/01/2020] [Indexed: 11/24/2022] Open
Abstract
Meiosis, which produces haploid progeny, is critical to ensuring both faithful genome transmission and genetic diversity. Proteasomes play critical roles at various stages of spermatogenesis, including meiosis, but the underlying mechanisms remain unclear. The atypical proteasomes, which contain the activator PA200, catalyze the acetylation-dependent degradation of the core histones in elongated spermatids and DNA repair in somatic cells. We show here that the testis-specific proteasome subunit α4s/PSMA8 is essential for male fertility by promoting proper formation of spermatoproteasomes, which harbor both PA200 and constitutive catalytic subunits. Immunostaining of a spermatocyte marker, SYCP3, indicated that meiosis was halted at the stage of spermatocytes in the α4s-deficient testes. α4s stimulated the in vitro degradation of the acetylated core histones, instead of nonacetylated histones, by the PA200-proteasome. Deletion of α4s blocked degradation of the core histones at DNA damage loci in spermatocytes, leading to meiotic arrest at metaphase I. Thus, α4s is required for histone degradation at meiotic DNA damage loci, proper progression of meiosis, and fertility in males by promoting proper formation of spermatoproteasomes. These results are important for understanding male infertility and might provide potential targets for male contraception or treatment of male infertility.
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Affiliation(s)
- Zi-Hui Zhang
- Key Laboratory of Cell Proliferation & Regulation Biology, Ministry of Education and College of Life Sciences, Beijing Normal University, Beijing, China
| | - Tian-Xia Jiang
- Key Laboratory of Cell Proliferation & Regulation Biology, Ministry of Education and College of Life Sciences, Beijing Normal University, Beijing, China.
| | - Lian-Bin Chen
- Key Laboratory of Cell Proliferation & Regulation Biology, Ministry of Education and College of Life Sciences, Beijing Normal University, Beijing, China
| | - Wenhui Zhou
- Medical Center for Human Reproduction, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yixun Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Fei Gao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Xiao-Bo Qiu
- Key Laboratory of Cell Proliferation & Regulation Biology, Ministry of Education and College of Life Sciences, Beijing Normal University, Beijing, China.
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4
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Li T, Zhang H, Wang X, Yin D, Chen N, Kang L, Zhao X, Ma Y. Cloning, Molecular Characterization and Expression Patterns of DMRTC2 Implicated in Germ Cell Development of Male Tibetan Sheep. Int J Mol Sci 2020; 21:ijms21072448. [PMID: 32244802 PMCID: PMC7177445 DOI: 10.3390/ijms21072448] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/14/2020] [Accepted: 03/31/2020] [Indexed: 12/19/2022] Open
Abstract
The double sex and mab-3-related transcription factors like family C2 (DMRTC2) gene is indispensable for mammalian testicular function and spermatogenesis. Despite its importance, what expression and roles of DMRTC2 possesses and how it regulates the testicular development and spermatogenesis in sheep, especially in Tibetan sheep, remains largely unknown. In this study, DMRTC2 cDNA from testes of Tibetan sheep was firstly cloned by the RT-PCR method, and its molecular characterization was identified. Subsequently, the expression and localization patterns of DMRTC2 were evaluated by quantitative real-time PCR (qPCR), Western blot, and immunofluorescence. The cloning and sequence analysis showed that the Tibetan sheep DMRTC2 cDNA fragment contained 1113 bp open reading frame (ORF) capable of encoding 370 amino acids, and displayed high identities with some other mammals, which shared an identical DM domain sequence of 47 amino acids ranged from residues 38 to 84. qPCR and Western blot results showed that DMRTC2 was expressed in testes throughout the development stages while not in epididymides (caput, corpus, and cauda), with higher mRNA and protein abundance in Tibetan sheep testes of one- and three-year-old (post-puberty) compared with that of three-month-old (pre-puberty). Immunofluorescence results revealed that immune staining for DMRTC2 protein was observed in spermatids and spermatogonia from post-puberty Tibetan sheep testes, and gonocytes from pre-puberty Tibetan sheep testes. Together, these results demonstrated, for the first time, in sheep, that DMRTC2, as a highly conserved gene in mammals, is essential for sheep spermatogenesis by regulating the proliferation or differentiation of gonocytes and development of spermatids in ram testes at different stages of maturity.
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Affiliation(s)
- Taotao Li
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
- Sheep Breeding Biotechnology Engineering Laboratory of Gansu Province, Minqin 733300, China
| | - Hongyu Zhang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
| | - Xia Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
| | - De′en Yin
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
| | - Nana Chen
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
| | - Lingyun Kang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
| | - Xingxu Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
| | - Youji Ma
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China; (T.L.); (H.Z.); (X.W.); (D.Y.); (N.C.); (L.K.)
- Sheep Breeding Biotechnology Engineering Laboratory of Gansu Province, Minqin 733300, China
- Correspondence: ; Tel.: +86-931-763-1225
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5
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Jan SZ, Vormer TL, Jongejan A, Röling MD, Silber SJ, de Rooij DG, Hamer G, Repping S, van Pelt AMM. Unraveling transcriptome dynamics in human spermatogenesis. Development 2017; 144:3659-3673. [PMID: 28935708 PMCID: PMC5675447 DOI: 10.1242/dev.152413] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 08/29/2017] [Indexed: 12/25/2022]
Abstract
Spermatogenesis is a dynamic developmental process that includes stem cell proliferation and differentiation, meiotic cell divisions and extreme chromatin condensation. Although studied in mice, the molecular control of human spermatogenesis is largely unknown. Here, we developed a protocol that enables next-generation sequencing of RNA obtained from pools of 500 individually laser-capture microdissected cells of specific germ cell subtypes from fixed human testis samples. Transcriptomic analyses of these successive germ cell subtypes reveals dynamic transcription of over 4000 genes during human spermatogenesis. At the same time, many of the genes encoding for well-established meiotic and post-meiotic proteins are already present in the pre-meiotic phase. Furthermore, we found significant cell type-specific expression of post-transcriptional regulators, including expression of 110 RNA-binding proteins and 137 long non-coding RNAs, most of them previously not linked to spermatogenesis. Together, these data suggest that the transcriptome of precursor cells already contains the genes necessary for cellular differentiation and that timely translation controlled by post-transcriptional regulators is crucial for normal development. These established transcriptomes provide a reference catalog for further detailed studies on human spermatogenesis and spermatogenic failure. Highlighted Article: Using laser capture microscopy, a comprehensive transcriptomic dataset of well-defined and distinct germ cell subtypes based on morphology and localization in the human testis is generated.
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Affiliation(s)
- Sabrina Z Jan
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Tinke L Vormer
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Aldo Jongejan
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands.,Bioinformatics Laboratory, Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, Amsterdam, The Netherlands
| | - Michael D Röling
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Sherman J Silber
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands.,The Infertility Center of St. Louis, St. Luke's Hospital, St. Louis, Missouri, USA
| | - Dirk G de Rooij
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Geert Hamer
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Sjoerd Repping
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Ans M M van Pelt
- Center for Reproductive Medicine, Amsterdam Research Institute Reproduction and Development, Academic Medical Center, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
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Odajima J, Saini S, Jung P, Ndassa-Colday Y, Ficaro S, Geng Y, Marco E, Michowski W, Wang YE, DeCaprio JA, Litovchick L, Marto J, Sicinski P. Proteomic Landscape of Tissue-Specific Cyclin E Functions in Vivo. PLoS Genet 2016; 12:e1006429. [PMID: 27828963 PMCID: PMC5102403 DOI: 10.1371/journal.pgen.1006429] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 10/16/2016] [Indexed: 12/29/2022] Open
Abstract
E-type cyclins (cyclins E1 and E2) are components of the cell cycle machinery that has been conserved from yeast to humans. The major function of E-type cyclins is to drive cell division. It is unknown whether in addition to their 'core' cell cycle functions, E-type cyclins also perform unique tissue-specific roles. Here, we applied high-throughput mass spectrometric analyses of mouse organs to define the repertoire of cyclin E protein partners in vivo. We found that cyclin E interacts with distinct sets of proteins in different compartments. These cyclin E interactors are highly enriched for phosphorylation targets of cyclin E and its catalytic partner, the cyclin-dependent kinase 2 (Cdk2). Among cyclin E interactors we identified several novel tissue-specific substrates of cyclin E-Cdk2 kinase. In proliferating compartments, cyclin E-Cdk2 phosphorylates Lin proteins within the DREAM complex. In the testes, cyclin E-Cdk2 phosphorylates Mybl1 and Dmrtc2, two meiotic transcription factors that represent key regulators of spermatogenesis. In embryonic and adult brains cyclin E interacts with proteins involved in neurogenesis, while in adult brains also with proteins regulating microtubule-based processes and microtubule cytoskeleton. We also used quantitative proteomics to demonstrate re-wiring of the cyclin E interactome upon ablation of Cdk2. This approach can be used to study how protein interactome changes during development or in any pathological state such as aging or cancer.
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Affiliation(s)
- Junko Odajima
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Siddharth Saini
- Department of Internal Medicine and Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia, United States of America
| | - Piotr Jung
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Yasmine Ndassa-Colday
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Biochemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Scott Ficaro
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Biochemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Yan Geng
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Eugenio Marco
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute and Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Wojciech Michowski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Yaoyu E. Wang
- Center for Cancer Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
| | - James A. DeCaprio
- Department of Medical Oncology, Dana-Farber Cancer Institute, and Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Larisa Litovchick
- Department of Internal Medicine and Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia, United States of America
| | - Jarrod Marto
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Biochemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Piotr Sicinski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, United States of America
- * E-mail:
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7
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Chung SSW, Wang X, Wolgemuth DJ. Prolonged Oral Administration of a Pan-Retinoic Acid Receptor Antagonist Inhibits Spermatogenesis in Mice With a Rapid Recovery and Changes in the Expression of Influx and Efflux Transporters. Endocrinology 2016; 157:1601-12. [PMID: 26812157 PMCID: PMC4816726 DOI: 10.1210/en.2015-1675] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
We have previously shown that oral administration of a pan-retinoic acid receptor antagonist in mice daily at 2.5 mg/kg for 4 weeks reversibly inhibited spermatogenesis, with no detectable side effects. To elucidate the lowest dose and the longest dosing regimen that inhibits spermatogenesis but results in complete restoration of fertility upon cessation of administration of the drug, we examined the effects of daily doses as low as 1.0 mg/kg with dosing periods of 4, 8, and 16 weeks. We observed 100% sterility in all regimens, with restoration of fertility upon cessation of the drug treatment even for as long as 16 weeks. There was no change in testosterone levels in these males and the progeny examined from 2 of the recovered males were healthy and fertile, with normal testicular weight and testicular histology. Strikingly, a more rapid recovery, as assessed by mating studies, was observed at the lower dose and longer dosing periods. Insight into possible mechanisms underlying this rapid recovery was obtained at 2 levels. First, histological examination revealed that spermatogenesis was not as severely disrupted at the lower dose and with the longer treatment regimens. Second, gene expression analysis revealed that the more rapid recovery may involve the interplay of ATP-binding cassette efflux and solute carrier influx transporters in the testes.
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Affiliation(s)
- Sanny S W Chung
- Departments of Genetics and Development (S.S.W.C., X.W., D.J.W.) and Obstetrics and Gynecology (D.J.W.), The Institute of Human Nutrition (D.J.W.), and The Herbert Irving Comprehensive Cancer Center (D.J.W.), Columbia University Medical Center, New York, New York 10032
| | - Xiangyuan Wang
- Departments of Genetics and Development (S.S.W.C., X.W., D.J.W.) and Obstetrics and Gynecology (D.J.W.), The Institute of Human Nutrition (D.J.W.), and The Herbert Irving Comprehensive Cancer Center (D.J.W.), Columbia University Medical Center, New York, New York 10032
| | - Debra J Wolgemuth
- Departments of Genetics and Development (S.S.W.C., X.W., D.J.W.) and Obstetrics and Gynecology (D.J.W.), The Institute of Human Nutrition (D.J.W.), and The Herbert Irving Comprehensive Cancer Center (D.J.W.), Columbia University Medical Center, New York, New York 10032
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8
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The epigenetic processes of meiosis in male mice are broadly affected by the widely used herbicide atrazine. BMC Genomics 2015; 16:885. [PMID: 26518232 PMCID: PMC4628360 DOI: 10.1186/s12864-015-2095-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 10/15/2015] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Environmental factors such as pesticides can cause phenotypic changes in various organisms, including mammals. We studied the effects of the widely used herbicide atrazine (ATZ) on meiosis, a key step of gametogenesis, in male mice. METHODS Gene expression pattern was analysed by Gene-Chip array. Genome-wide mapping of H3K4me3 marks distribution was done by ChIP-sequencing of testis tissue using Illumina technologies. RT-qPCR was used to validate differentially expressed genes or differential peaks. RESULTS We demonstrate that exposure to ATZ reduces testosterone levels and the number of spermatozoa in the epididymis and delays meiosis. Using Gene-Chip and ChIP-Seq analysis of H3K4me3 marks, we found that a broad range of cellular functions, including GTPase activity, mitochondrial function and steroid-hormone metabolism, are affected by ATZ. Furthermore, treated mice display enriched histone H3K4me3 marks in regions of strong recombination (double-strand break sites), within very large genes and reduced marks in the pseudoautosomal region of X chromosome. CONCLUSIONS Our data demonstrate that atrazine exposure interferes with normal meiosis, which affects spermatozoa production.
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9
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Luangpraseuth-Prosper A, Lesueur E, Jouneau L, Pailhoux E, Cotinot C, Mandon-Pépin B. TOPAZ1, a germ cell specific factor, is essential for male meiotic progression. Dev Biol 2015; 406:158-71. [PMID: 26358182 DOI: 10.1016/j.ydbio.2015.09.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 09/01/2015] [Accepted: 09/04/2015] [Indexed: 11/19/2022]
Abstract
Topaz1 (Testis and Ovary-specific PAZ domain gene 1) is a germ cell specific gene highly conserved in vertebrates. The putative protein TOPAZ1 contains a PAZ domain, specifically found in PIWI, Argonaute and Zwille proteins. Consequently, Topaz1 is supposed to have a role during gametogenesis and may be involved in the piRNA pathway and contribute to silencing of transposable elements and maintenance of genome integrity. Here we report Topaz1 inactivation in mouse. Female fertility was not affected, but male sterility appeared exclusively in homozygous mutants in accordance with the high expression of Topaz1 in male germ cells. Pachytene Topaz1--deficient spermatocytes progress through meiosis without either derepression of retrotransposons or MSCI dysfunction, but become arrested before the post-meiotic round spermatid stage with extensive apoptosis. Consequently, an absence of spermatids and spermatozoa was observed in Topaz1(-/-) testis. Histological analysis also revealed that disturbances of spermatogenesis take place between post natal days 15 and 20, during the first wave of male meiosis and before the generation of haploid germ cells. Transcriptomic analysis at these two stages showed that TOPAZ1 influences the expression of one hundred transcripts, most of which are up-regulated in mutant testis at post natal day 20. Our results also showed that 10% of these transcripts are long non-coding RNA. This suggests that a highly regulated balance of lncRNAs seems to be essential during spermatogenesis for induction of appropriate male gamete production.
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Affiliation(s)
| | - Elodie Lesueur
- INRA, UMR 1198 Biologie du Développement et Reproduction, F-78350 Jouy-en-Josas, France.
| | - Luc Jouneau
- INRA, UMR 1198 Biologie du Développement et Reproduction, F-78350 Jouy-en-Josas, France.
| | - Eric Pailhoux
- INRA, UMR 1198 Biologie du Développement et Reproduction, F-78350 Jouy-en-Josas, France.
| | - Corinne Cotinot
- INRA, UMR 1198 Biologie du Développement et Reproduction, F-78350 Jouy-en-Josas, France.
| | - Béatrice Mandon-Pépin
- INRA, UMR 1198 Biologie du Développement et Reproduction, F-78350 Jouy-en-Josas, France.
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Yan P, Xiang L, Guo X, Bao PJ, Jin S, Wu XY. The low expression of Dmrt7 is associated with spermatogenic arrest in cattle-yak. Mol Biol Rep 2014; 41:7255-63. [PMID: 25052188 DOI: 10.1007/s11033-014-3611-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 01/27/2014] [Indexed: 11/25/2022]
Abstract
Dmrt7 is a member of the DM domain family of genes. Dmrt7 deficiency is also a strong candidate as a cause for male cattle-yak infertility, as it is regarded as essential for male spermatogenesis, between the pachynema and diplonema stages. In our study, the coding region sequence of yak and cattle-yak Dmrt7 was cloned by molecular cloning techniques, and the sequence, conserved domains, functional sites, and secondary and tertiary structures of the Dmrt7-encoded protein were predicted and analyzed using bioinformatics methods. The coding region sequences of the Dmrt7 gene, encoding 370 amino acids, were consistent in yak and cattle-yak. The protein encoded by yak and cattle-yak Dmrt7 contains a DM domain. We detected Dmrt7 mRNA expression in testis, but not in any other tissue. Dmrt7 mRNA and protein expression was significantly higher in testis of cattle and yak than that in cattle-yak (p < 0.01). Histological analysis indicated that seminiferous tubules in male cattle-yak were highly vacuolated and contained primarily Sertoli cells and spermatogonia, while those of cattle and yak contained abundant primary spermatocytes. Male cattle-yak testis contained a significantly larger number of apoptotic cells than those in cattle and yak assessed by terminal deoxynucleotidyl transferase dUTP nick end-labeling (TUNEL) analysis. The accumulation of SCP3-positive spermatocytes indicated the arrest of spermatogenesis at the pachynema stage in the cattle-yak. These results suggest low levels of Dmrt7 expression lead to male sterility in cattle-yak. The molecular function of Dmrt7 and the regulation of its expression warrant need to be examined in future studies.
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Affiliation(s)
- Ping Yan
- Institute of Lanzhou Animal Science and Veterinary Pharmaceutics, Chinese Academy of Agricultural Sciences, Lanzhou, 730050, Gansu, People's Republic of China,
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Yoneda R, Takahashi T, Matsui H, Takano N, Hasebe Y, Ogiwara K, Kimura AP. Three testis-specific paralogous serine proteases play different roles in murine spermatogenesis and are involved in germ cell survival during meiosis. Biol Reprod 2013; 88:118. [PMID: 23536369 DOI: 10.1095/biolreprod.112.106328] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Spermatogenesis is a complex process that generates spermatozoa; its molecular mechanisms are not completely understood. Here we focused on the functions of three testis-specific serine proteases: Prss42/Tessp-2, Prss43/Tessp-3, and Prss44/Tessp-4. These protease genes, which constitute a gene cluster on chromosome 9F2-F3, were presumed to be paralogs and were expressed only in the testis. By investigating their mRNA distribution, we found that all three genes were expressed in primary and secondary spermatocytes. However, interestingly, the translated proteins were produced at different locations. Prss42/Tessp-2 was found in the membranes and cytoplasm of secondary spermatocytes and spermatids, whereas Prss43/Tessp-3 was present only in the membranes of spermatocytes and spermatids. Prss44/Tessp-4 was detected in the cytoplasm of spermatocytes and spermatids. To assess the roles of these proteases in spermatogenesis, we used organ culture of mouse testis fragments. Adding antibodies against Prss42/Tessp-2 and Prss43/Tessp-3 resulted in meiotic arrest at the stage when each protease was beginning to be translated. Furthermore, the number of apoptotic cells dramatically increased after the addition of these antibodies. These results strongly suggest that the three paralogous Prss/Tessp proteases play different roles in spermatogenesis and that Prss42/Tessp-2 and Prss43/Tessp-3 are required for germ cell survival during meiosis.
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Affiliation(s)
- Ryoma Yoneda
- Graduate School of Life Science, Hokkaido University, Sapporo, Japan
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