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Song C, Lu J, Wang Y, Zou Y. Identification of the dysregulated let-7c-Sox2 network in the facial prominences of mouse embryos with early retinoid acid exposure. Dev Biol 2025; 523:9-19. [PMID: 40180297 DOI: 10.1016/j.ydbio.2025.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2024] [Revised: 03/24/2025] [Accepted: 03/31/2025] [Indexed: 04/05/2025]
Abstract
RA signaling is crucial for the anteroposterior pattern formation during neural crest induction and acts as a key environmental cue for cranial neural crest cell migration as well as the subsequent mesenchymal proliferation and differentiation. Congenital malformations including cleft lip and palate have been shown associated with altered embryonic RA signaling both in human and in animal models. In this study, a dysregulated let-7c-Sox2 network was identified in the altered transcriptomic profiles of the facial prominences of E12.5 mouse embryos induced by early RA exposure. Ubiquitously increased expression of let-7c was observed in the epithelium and the mesenchyme of facial prominences of the RA treated mouse and chick embryos. Direct binding and regulation between let-7c and Sox2 was verified using luciferase assay and significant negative correlation between let-7c and Sox2 expression was observed in vitro. Reduced Sox2 expression was predominantly identified in the epithelium of maxillary and palate shelves from E10.5 to E12.5 in RA-induced mouse embryos, resulted in oral adhesion and hypoplasia of palatal shelves that could partly be explained by the reduced mesenchymal proliferation due to upregulation of let-7c, as shown by the results of cell proliferation assay in vitro.
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Affiliation(s)
- Chao Song
- School of Life Science and Technology, Jinan University, Guangzhou, China
| | - Junjie Lu
- School of Life Science and Technology, Jinan University, Guangzhou, China
| | - Ya Wang
- School of Life Science and Technology, Jinan University, Guangzhou, China
| | - Yi Zou
- School of Life Science and Technology, Jinan University, Guangzhou, China.
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Lv W, An R, Li X, Zhang Z, Geri W, Xiong X, Yin S, Fu W, Liu W, Lin Y, Li J, Xiong Y. Multi-Omics Approaches Uncovered Critical mRNA-miRNA-lncRNA Networks Regulating Multiple Birth Traits in Goat Ovaries. Int J Mol Sci 2024; 25:12466. [PMID: 39596531 PMCID: PMC11595133 DOI: 10.3390/ijms252212466] [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: 09/19/2024] [Revised: 11/10/2024] [Accepted: 11/13/2024] [Indexed: 11/28/2024] Open
Abstract
The goat breeding industry on the Tibetan Plateau faces strong selection pressure to enhance fertility. Consequently, there is an urgent need to develop goat lines with higher fertility and adaptability. The ovary, as a key organ determining reproductive performance, is regulated by a complex transcriptional network involving numerous protein-coding and non-coding genes. However, the molecular mechanisms of the key mRNA-miRNA-lncRNA regulatory network in goat ovaries remain largely unknown. This study focused on the histology and differential mRNA/miRNA/lncRNA between Chuanzhong black goat (CBG, high productivity, multiple births) and Tibetan goat (TG, strong adaptability, single birth) ovaries. Histomorphological analysis showed that the medulla proportion in CBG ovaries was significantly reduced compared to TG. RNA-Seq and small RNA-Seq analysis identified 1218 differentially expressed (DE) mRNAs, 100 DE miRNAs, and 326 DE lncRNAs, which were mainly enriched in ovarian steroidogenesis, oocyte meiosis, biosynthesis of amino acids and protein digestion, and absorption signaling pathways. Additionally, five key mRNA-miRNA-lncRNA interaction networks regulating goat reproductive performance were identified, including TCL1B-novel68_mature-ENSCHIT00000010023, AKAP6-novel475_mature-ENSCHIT00000003176, GLI2-novel68_mature-XR_001919123.1, ITGB5-novel65_star-TCONS_00013850, and VWA2-novel71_mature-XR_001919911.1. Further analyses showed that these networks mainly affected ovarian function and reproductive performance by regulating biological processes such as germ cell development and oocyte development, which also affected the plateau adaptive capacity of the ovary by participating in the individual immune and metabolic capacities. In conclusion, we identified numerous mRNA-miRNA-lncRNA interaction networks involved in regulating ovarian function and reproductive performance in goats. This discovery offers new insights into the molecular breeding of Tibetan Plateau goats and provides a theoretical foundation for developing new goat lines with high reproductive capacity and strong adaptability to the plateau environment.
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Affiliation(s)
- Weibing Lv
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Ren An
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Xinmiao Li
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Zengdi Zhang
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Wanma Geri
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Xianrong Xiong
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Shi Yin
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Wei Fu
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Wei Liu
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
| | - Yaqiu Lin
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
| | - Jian Li
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
| | - Yan Xiong
- College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China; (W.L.); (R.A.); (X.L.); (Z.Z.); (W.G.); (X.X.); (S.Y.); (W.F.); (W.L.); (Y.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province, Southwest Minzu University, Chengdu 610041, China
- Key Laboratory for Animal Science of National Ethnic Affairs Commission, Southwest Minzu University, Chengdu 610041, China
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Cohen AB, Nikmehr B, Abdelaal OA, Escott M, Walker SJ, Atala A, Sadri-Ardekani H. MicroRNA Analysis of In Vitro Differentiation of Spermatogonial Stem Cells Using a 3D Human Testis Organoid System. Biomedicines 2024; 12:1774. [PMID: 39200238 PMCID: PMC11351903 DOI: 10.3390/biomedicines12081774] [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: 05/29/2024] [Revised: 07/20/2024] [Accepted: 07/25/2024] [Indexed: 09/02/2024] Open
Abstract
Spermatogenesis produces male gametes from spermatogonial stem cells (SSC), beginning at puberty. Modern-day laboratory techniques allow for the long-term culture of SSC and in vitro spermatogenesis. The specific biochemical processes that occur during spermatogenesis remain poorly understood. One particular element of spermatogenesis that has yet to be characterized is the role of microRNAs (miRNA), short, non-transcribed RNAs that act as post-translational regulators of gene activity. In this study, we seek to describe the presence of miRNA in a two-dimensional (2D) SSC culture and a 3D human testis organoid (HTO) system. Testicular cells were isolated from the frozen tissue of three brain-dead subjects, propagated in cultures for four to five weeks, and used to form 3D HTOs. Following organoid formation, differentiation of testicular cells was induced. RNA was isolated from the whole testis tissue (WT) showing in vivo conditions, HTO Day Zero (2D SSC culture), Day 2 HTOs, and Day 23 differentiated HTOs, then analyzed for changes in miRNA expression using the Nanostring nCounter miRNA panel. One hundred ninety-five miRNAs met the criteria for expression in WT, 186 in 2D culture, 190 in Day 2 HTOs, and 187 in differentiated HTOs. One hundred thirty-three miRNAs were common across all conditions, and 41, 17, 6, and 11 miRNAs were unique for WT, 2D culture, Day 2 HTOs, and differentiated HTOs, respectively. Twenty-two miRNAs were similar between WT and differentiated HTOS. We evaluated the miRNA expression profiles of progressively complex stages of testicular cell culture, culminating in a 3D organoid model capable of meiotic differentiation, and compared these to WT. We identified a great variance between the native tissue and the culture system; however, some miRNAs are preserved. These data may provide avenues for deeper understanding of spermatogenesis and the ability to improve this process in the laboratory. Research on miRNA continues to be an essential avenue for understanding human spermatogenesis.
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Affiliation(s)
- Adam B. Cohen
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
- Department of Urology, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
| | - Banafsheh Nikmehr
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
- Carolinas Fertility Institute, Winston-Salem, NC 27103, USA
| | - Omar A. Abdelaal
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
- Department of Urology, Faculty of Medicine, Zagazig University, Zagazig 7120001, Egypt
| | - Megan Escott
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
- Department of Urology, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
| | - Stephen J. Walker
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
| | - Anthony Atala
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
- Department of Urology, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
| | - Hooman Sadri-Ardekani
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC 27101, USA; (B.N.); (O.A.A.); (M.E.); (S.J.W.); (H.S.-A.)
- Department of Urology, Atrium Health Wake Forest Baptist, Winston-Salem, NC 27157, USA
- Carolinas Fertility Institute, Winston-Salem, NC 27103, USA
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Zhao Y, Deng S, Li C, Cao J, Wu A, Chen M, Ma X, Wu S, Lian Z. The Role of Retinoic Acid in Spermatogenesis and Its Application in Male Reproduction. Cells 2024; 13:1092. [PMID: 38994945 PMCID: PMC11240464 DOI: 10.3390/cells13131092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/14/2024] [Accepted: 06/17/2024] [Indexed: 07/13/2024] Open
Abstract
Spermatogenesis in mammalian testes is essential for male fertility, ensuring a continuous supply of mature sperm. The testicular microenvironment finely tunes this process, with retinoic acid, an active metabolite of vitamin A, serving a pivotal role. Retinoic acid is critical for various stages, including the differentiation of spermatogonia, meiosis in spermatogenic cells, and the production of mature spermatozoa. Vitamin A deficiency halts spermatogenesis, leading to the degeneration of numerous germ cells, a condition reversible with retinoic acid supplementation. Although retinoic acid can restore fertility in some males with reproductive disorders, it does not work universally. Furthermore, high doses may adversely affect reproduction. The inconsistent outcomes of retinoid treatments in addressing infertility are linked to the incomplete understanding of the molecular mechanisms through which retinoid signaling governs spermatogenesis. In addition to the treatment of male reproductive disorders, the role of retinoic acid in spermatogenesis also provides new ideas for the development of male non-hormone contraceptives. This paper will explore three facets: the synthesis and breakdown of retinoic acid in the testes, its role in spermatogenesis, and its application in male reproduction. Our discussion aims to provide a comprehensive reference for studying the regulatory effects of retinoic acid signaling on spermatogenesis and offer insights into its use in treating male reproductive issues.
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Affiliation(s)
- Yue Zhao
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Biological Sciences, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Y.Z.); (M.C.)
| | - Shoulong Deng
- National Center of Technology Innovation for Animal Model, National Health Commission of China (NHC) Key Laboratory of Comparative Medicine, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing 100021, China;
| | - Chongyang Li
- Institute of Animal Sciences (IAS), Chinese Academy of Agricultural Sciences (CAAS), No. 2 Yuanmingyuan Western Road, Haidian District, Beijing 100193, China;
| | - Jingchao Cao
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Biological Sciences, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Y.Z.); (M.C.)
| | - Aowu Wu
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Biological Sciences, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Y.Z.); (M.C.)
| | - Mingming Chen
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Biological Sciences, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Y.Z.); (M.C.)
| | - Xuehai Ma
- Xinjiang Key Laboratory of Mental Development and Learning Science, College of Psychology, Xinjiang Normal University, Urumqi 830017, China
| | - Sen Wu
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Biological Sciences, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Y.Z.); (M.C.)
| | - Zhengxing Lian
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Biological Sciences, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Y.Z.); (M.C.)
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Bahmyari S, Khatami SH, Taghvimi S, Rezaei Arablouydareh S, Taheri-Anganeh M, Ghasemnejad-Berenji H, Farazmand T, Soltani Fard E, Solati A, Movahedpour A, Ghasemi H. MicroRNAs in Male Fertility. DNA Cell Biol 2024; 43:108-124. [PMID: 38394131 DOI: 10.1089/dna.2023.0314] [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] [Indexed: 02/25/2024] Open
Abstract
Around 50% of all occurrences of infertility are attributable to the male factor, which is a significant global public health concern. There are numerous circumstances that might interfere with spermatogenesis and cause the body to produce abnormal sperm. While evaluating sperm, the count, the speed at which they migrate, and their appearance are the three primary characteristics that are analyzed. MicroRNAs, also known as miRNAs, are present in all physiological fluids and tissues. They participate in both physiological and pathological processes. Researches have demonstrated that the expression of microRNA genes differs in infertile men. These genes regulate spermatogenesis at various stages and in several male reproductive cells. Hence, microRNAs have the potential to act as useful indicators in the diagnosis and treatment of male infertility and other diseases affecting male reproduction. Despite this, additional research is necessary to determine the precise miRNA regulation mechanisms.
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Affiliation(s)
- Sedigheh Bahmyari
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Hossein Khatami
- Department of Clinical Biochemistry, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sina Taghvimi
- Department of Biology, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Sahar Rezaei Arablouydareh
- Reproductive Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Mortaza Taheri-Anganeh
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Hojat Ghasemnejad-Berenji
- Reproductive Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Tooba Farazmand
- Departmant of Gynecology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Elahe Soltani Fard
- Department of Molecular Medicine, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Arezoo Solati
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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Klees C, Alexandri C, Demeestere I, Lybaert P. The Role of microRNA in Spermatogenesis: Is There a Place for Fertility Preservation Innovation? Int J Mol Sci 2023; 25:460. [PMID: 38203631 PMCID: PMC10778981 DOI: 10.3390/ijms25010460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Oncological treatments have dramatically improved over the last decade, and as a result, survival rates for cancer patients have also improved. Quality of life, including concerns about fertility, has become a major focus for both oncologists and patients. While oncologic treatments are often highly effective at suppressing neoplastic growth, they are frequently associated with severe gonadotoxicity, leading to infertility. For male patients, the therapeutic option to preserve fertility is semen cryopreservation. In prepubertal patients, immature testicular tissue can be sampled and stored to allow post-cure transplantation of the tissue, immature germ cells, or in vitro spermatogenesis. However, experimental techniques have not yet been proven effective for restoring sperm production for these patients. MicroRNAs (miRNAs) have emerged as promising molecular markers and therapeutic tools in various diseases. These small regulatory RNAs possess the unique characteristic of having multiple gene targets. MiRNA-based therapeutics can, therefore, be used to modulate the expression of different genes involved in signaling pathways dysregulated by changes in the physiological environment (disease, temperature, ex vivo culture, pharmacological agents). This review discusses the possible role of miRNA as an innovative treatment option in male fertility preservation-restoration strategies and describes the diverse applications where these new therapeutic tools could serve as fertility protection agents.
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Affiliation(s)
- Charlotte Klees
- Research Laboratory on Human Reproduction, Faculty of Medicine, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium; (C.K.); (C.A.); (I.D.)
| | - Chrysanthi Alexandri
- Research Laboratory on Human Reproduction, Faculty of Medicine, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium; (C.K.); (C.A.); (I.D.)
| | - Isabelle Demeestere
- Research Laboratory on Human Reproduction, Faculty of Medicine, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium; (C.K.); (C.A.); (I.D.)
- Fertility Clinic, HUB-Erasme Hospital, 1070 Brussels, Belgium
| | - Pascale Lybaert
- Research Laboratory on Human Reproduction, Faculty of Medicine, Université Libre de Bruxelles (ULB), 1070 Brussels, Belgium; (C.K.); (C.A.); (I.D.)
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Yao B, Kang Y, An K, Tan Y, Hou Q, Zhang D, Su J. Comparative analysis of microRNA and messengerRNA expression profiles in plateau zokor testicular cells under reproductive suppression. Front Vet Sci 2023; 10:1184120. [PMID: 37275617 PMCID: PMC10235463 DOI: 10.3389/fvets.2023.1184120] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 04/26/2023] [Indexed: 06/07/2023] Open
Abstract
Introduction Reproductive suppression is an adaptive strategy that affects the success rate and reproductive efficiency in animals, which in turn affects population continuation and evolution. However, no studies on the miRNAs in testicular development and spermatogenesis regulatory mechanisms under reproductive suppression have been reported. Methods In this study, the differentially expressed (DE) miRNAs, miRNA-mRNA interaction network and function of the plateau zokor testicular cells of non-breeders and breeders during the breeding season were comprehensively analyzed by transcriptomics. Results In total, 381 known and 94 novel miRNAs were determined. Compared with that in the breeders, 70 downregulated and 68 upregulated DE miRNAs were identified in the non-breeders. We predicted 1670 significant target mRNAs by analyzing the miRNA and mRNA expression profiles. According to the miRNA-mRNA interaction network, the target mRNAs of the DE miRNAs were related to testicular development and spermatogenesis. GO indicate that the target mRNAs were related to testicular development and spermatogenesis. KEGG indicate that pathways of target mRNAs enrichment related to testicular development, spermatogenesis, and energy metabolism. PROK2 was determined as the target mRNA of rno-miR-143-3p. Discussion Our study offers a basis for the regulatory mechanisms of miRNAs in testicular development and spermatogenesis in plateau zokor under reproductive suppression and offers a reference for reproductive regulation.
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Affiliation(s)
- Baohui Yao
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
| | - Yukun Kang
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
| | - Kang An
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
| | - Yuchen Tan
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
| | - Qiqi Hou
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
| | - Degang Zhang
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
| | - Junhu Su
- Key Laboratory of Grassland Ecosystem (Ministry of Education), College of Grassland Science, Gansu Agricultural University, Lanzhou, China
- Gansu Agricultural University-Massey University Research Centre for Grassland Biodiversity, Gansu Agricultural University, Lanzhou, China
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8
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Hashemi Karoii D, Azizi H. OCT4 protein and gene expression analysis in the differentiation of spermatogonia stem cells into neurons by immunohistochemistry, immunocytochemistry, and bioinformatics analysis. Stem Cell Rev Rep 2023:10.1007/s12015-023-10548-8. [PMID: 37119454 DOI: 10.1007/s12015-023-10548-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2023] [Indexed: 05/01/2023]
Abstract
BACKGROUND Spermatogonia Stem Cells (SSCs) are potential candidates for reprogramming and regeneration. Recent studies have revealed that differentiated cells can be reverted to pluripotent by overexpressing a set of pluripotent transcription factors. OCT4 (encoded by pou5f1), a POU transcription factor family member, is essential to the potential that controls pluripotency, and it is widely expressed in pluripotent stem cells, although it decreased or suppressed after differentiation. METHODS In this investigated research, we examined the OCT4 expression during the differentiation of SSCs into neurons (involving four stages in the following order: SSCs in vivo and in-vitro, embryonic Stem Cell-like (ES-like), Embryonic Bodies (EBs), and finally Neurons) by Immunocytochemistry (ICC), Immunohistochemistry (IMH), and Fluidigm Real-Time polymerase chain reaction. In addition, we use some databases like STRING to predict protein-protein interaction and enrichment analysis. RESULTS We evaluated the expression of OCT4 in this process, and we observed that it is expressed in SSCs, ES-like, and EBs during the differentiation of spermatogonia stem cells into adult neurons. We show that by adding RA to EBs, the expression of OCT4 is reduced and is not expressed in the neuron cells. We observed that the expression of OCT4 is linked and interacts with the differentiation of spermatogonia stem cells into neuron cells, and it has been shown to be biologically functional, like stem cell maintenance and somatic cell reprogramming. CONCLUSION Our findings can help us better understand the process of differentiation of spermatogonia stem cells into neurons, and it can be effective in finding new and more efficient treatments for neurogenesis and repair of neurons. We examined the OCT4 expression during the differentiation of SSCs into neurons (involving four stages in the following order: SSCs in vivo and in-vitro, embryonic Stem Cell-like (ES-like), Embryonic Bodies (EBs), and finally Neurons) by Immunocytochemistry (ICC), Immunohistochemistry (IMH), and Fluidigm Real-Time polymerase chain reaction. In addition, we use some databases like STRING to predict protein-protein interaction and enrichment analysis. We evaluated the expression of OCT4 in this process, and we observed that it is expressed in SSCs, ES-like, and EBs during the differentiation of spermatogonia stem cells into adult neurons. We show that by adding RA to EBs, the expression of OCT4 is reduced and is not expressed in the neuron cells. We observed that the expression of OCT4 is linked and interacts with the differentiation of spermatogonia stem cells into neuron cells, and it has been shown to be biologically functional, like stem cell maintenance and somatic cell reprogramming.
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Affiliation(s)
- Danial Hashemi Karoii
- Faculty of Biotechnology, Amol University of Special Modern Technologies, Amol, Iran
- Department of Cell and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Hossein Azizi
- Faculty of Biotechnology, Amol University of Special Modern Technologies, Amol, Iran.
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9
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Zhong D, Yao C, Zhang L, Wang J, Liu Q, Shi D, Jiang M, Li H. Comprehensive analysis of long non-coding RNA expression profiles of GC-1spg cells with m6A methylation knockdown. Gene 2023; 871:147430. [PMID: 37062454 DOI: 10.1016/j.gene.2023.147430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/28/2023] [Accepted: 04/11/2023] [Indexed: 04/18/2023]
Abstract
Spermatogenesis is a complex process that requires many regulatory mechanisms to form healthy sperm. Numerous studies have also proved that m6A methylation modification and lncRNA are essential for normal spermatogenesis. However, the mutual regulation of m6A methylation and lncRNA in spermatogenesis is still unclear. In this study, we knocked down METTL3 in GC-1spg cells and found that a reduction in METTL3 increased cell proliferation. Further, we examined the lncRNA expression profiles of normal spermatogonia and spermatogonia with knocked down METTL3. We detected 30,924 lncRNAs, of which 34 were up-regulated and 77 down-regulated. The results of the MeRIP-qPCR experiment showed that ENSMUST00000186472, MSTRG.8019.3 and ENSMUST00000202148 had m6A methylation sites and were regulated by METTL3. We constructed ceRNA networks for these 3 lncRNAs. And we identified that these 3 lncRNAs might act as miRNA sponges to regulate some genes related to spermatogenesis. This study focuses on exploring the regulatory mechanisms of m6A methylation on lncRNAs in spermatogonia and provides some epigenetic theories for subsequent studies on the expression mechanisms of lncRNAs.
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Affiliation(s)
- Dandan Zhong
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Chengxuan Yao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Liyin Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Jian Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Qingyou Liu
- Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan, 528225, China
| | - Deshun Shi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Mingsheng Jiang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China.
| | - Hui Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Animal Science and Technology, Guangxi University, Nanning 530004, China.
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10
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Yu M, Zhang X, Yan J, Guo J, Zhang F, Zhu K, Liu S, Sun Y, Shen W, Wang J. Transcriptional Specificity Analysis of Testis and Epididymis Tissues in Donkey. Genes (Basel) 2022; 13:genes13122339. [PMID: 36553607 PMCID: PMC9777602 DOI: 10.3390/genes13122339] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Donkeys, with high economic value for meat, skin and milk production, are important livestock. However, the current insights into reproduction of donkeys are far from enough. To obtain a deeper understanding, the differential expression analysis and weighted gene co-expression network analysis (WGCNA) of transcriptomic data of testicular and epididymis tissues in donkeys were performed. In the result, there were 4313 differentially expressed genes (DEGs) in the two tissues, including 2047 enriched in testicular tissue and 2266 in epididymis tissue. WGCNA identified 1081 hub genes associated with testis development and 6110 genes with epididymal development. Next, the tissue-specific genes were identified with the above two methods, and the gene ontology (GO) analysis revealed that the epididymal-specific genes were associated with gonad development. On the other hand, the testis-specific genes were involved in the formation of sperm flagella, meiosis period, ciliary assembly, ciliary movement, etc. In addition, we found that eca-Mir-711 and eca-Mir-143 likely participated in regulating the development of epididymal tissue. Meanwhile, eca-Mir-429, eca-Mir-761, eca-Mir-200a, eca-Mir-191 and eca-Mir-200b potentially played an important role in regulating the development of testicular tissue. In short, these results will contribute to functional studies of the male reproductive trait in donkeys.
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Affiliation(s)
- Mubin Yu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiaoyuan Zhang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Jiamao Yan
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Jianhua Guo
- Jiaozhou Agricultural and Rural Bureau, Jiaozhou 266300, China
| | - Fali Zhang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Kexin Zhu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Shuqin Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Yujiang Sun
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Wei Shen
- Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
- Correspondence: (W.S.); (J.W.)
| | - Junjie Wang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- Correspondence: (W.S.); (J.W.)
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11
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Tang R, Xu C, Zhu Y, Yan J, Yao Z, Zhou W, Gui L, Li M. Identification and expression analysis of sex biased miRNAs in chinese hook snout carp Opsariichthys bidens. Front Genet 2022; 13:990683. [PMID: 36118893 PMCID: PMC9478731 DOI: 10.3389/fgene.2022.990683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/08/2022] [Indexed: 12/22/2022] Open
Abstract
As an economically important fish, Opsariichthys bidens has obvious sexual dimorphism and strong reproductive capacity, but no epigenetics study can well explain its phenotypic variations. In recent years, many microRNAs involved in the regulation of reproductive development have been explored. In this study, the small RNA libraries of O. bidens on the testis and ovary were constructed and sequenced. A total of 295 known miRNAs were obtained and 100 novel miRNAs were predicted. By comparing testis and ovary libraries, 115 differentially expressed (DE) miRNAs were selected, of which 53 were up-regulated and 62 were down-regulated. A total of 64 GO items (padj < 0.01) and 206 KEGG pathways (padj < 0.01) were enriched in the target gene of miRNA. After that, the expression levels of nine DE miRNAs, including let-7a, miR-146b, miR-18c, miR-202-5p, miR-135c, miR-9-5p, miR-34c-3p, miR-460-5p and miR-338 were verified by qRT-PCR. Furthermore, bidirectional prediction of DE miRNAs and sex-related genes was carried out and the targeting correlation between miR-9-5p and nanos1 was verified by Dual-Luciferase reporter assay. Our findings identified the differentially expressed miRNA and paved the way to new possibilities for the follow-up study on the mechanism of miRNA-mRNA interaction in the gonads of O. bidens.
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Affiliation(s)
- Rongkang Tang
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Cong Xu
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
| | - Yefei Zhu
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Eco-Environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Jinpeng Yan
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, China
| | - Ziliang Yao
- Lishui Fishery Technical Extension Station, Lishui, Zhejiang, China
| | - Wenzong Zhou
- Eco-Environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Lang Gui
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
- *Correspondence: Lang Gui, ; Mingyou Li,
| | - Mingyou Li
- Key Laboratory of Integrated Rice-fish Farming, Ministry of Agriculture and Rural Affairs, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China
- *Correspondence: Lang Gui, ; Mingyou Li,
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12
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Ma X, Niu X, Huang S, Li S, Ran X, Wang J, Dai X. The piRNAs present in the developing testes of Chinese indigenous Xiang pigs. Theriogenology 2022; 189:92-106. [PMID: 35738035 DOI: 10.1016/j.theriogenology.2022.05.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 04/21/2022] [Accepted: 05/28/2022] [Indexed: 10/18/2022]
Abstract
The piRNA pathway plays an essential role in defense against transposable elements in the germline tissues of animals and contributes to post-transcriptional regulation of genes. Xiang pigs present an earlier sexual maturation compared with most European pig breeds, but the role that the piRNA pathway plays in the development of Xiang pigs is currently not understood. In this study, we sequenced and analyzed piRNAs expressed in the testes of Xiang pigs at four different ages, and identified endogenous piRNAs which were highly abundant at each time point. The lengths of the identified piRNAs ranged from 24 to 34 nucleotides (nt), with the most abundant length being 29 nt. Additionally, there was a strong bias for uracil at the first position, a slight bias for adenine at position 10 and frequent 5'-10 nt complementary sequences, suggesting that ping-pong-mediated silencing is present in the Xiang pig germline. We observed that the piRNA composition changed from TE-associated piRNAs in two- and three-month-old testes to predominantly gene-derived and intergenic piRNAs in six- and twelve-month-old testes, with a gradual increase in the expression level of piRNAs over the course of testis development. And more than half of piRNA reads mapped to just a few of 473 predicted piRNA clusters. Additionally, we found that several genes were highly enriched by piRNA reads, including CYP19A1, PRMT8, SUZ12, WWOX, SGSM1 and MIF. The functions of these genes are primarily associated with steroidogenesis and histone modification. Changes in piRNA composition and widespread expression patterns during spermatid development indicate that these small ncRNAs may be responsible not only for transposon suppression but also for post-transcriptional regulation of several protein-coding genes essential for normal spermatogenesis.
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Affiliation(s)
- Xinrui Ma
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
| | - Xi Niu
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
| | - Shihui Huang
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
| | - Sheng Li
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
| | - Xueqin Ran
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
| | - Jiafu Wang
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
| | - Xinlan Dai
- College of Animal Science/Institute of Agro-Bioengineering/College of Life Science, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region and Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region (Ministry of Education), Guizhou University, Guiyang, 550025, China.
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13
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Hu C, Zuo Q, Jin K, Zhao Z, Wu Y, Gao J, Wang C, Wang Y, Zhan W, Zhou J, Cheng F, Sun H, Niu Y, Zhang Y. Retinoic acid promotes formation of chicken (Gallus gallus) spermatogonial stem cells by regulating the ECM-receptor interaction signaling pathway. Gene 2022; 820:146227. [PMID: 35124150 DOI: 10.1016/j.gene.2022.146227] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/09/2021] [Accepted: 01/13/2022] [Indexed: 01/18/2023]
Abstract
Spermatogonial stem cells (SSCs) are the basis of spermatogenesis. Systematically exploring the critical factors associated with the formation of SSCs will provide new insight to improve the formation efficiency, and their practical application. Here we explore the regulatory mechanism of the ECM-receptor interaction signaling pathway and related genes during differentiation of SSCs in chicken. Firstly, the positive cell rate of SSCs protein marker was detected by immunofluorescence and flow cytometry and qRT-PCR was used to identify, the expression of related marker genes after 10 days of RA-induction. Secondly, the ESCs on 0d/ 4d /10d after RA- induction/self-differentiation were collected, and the total RNA was then extracted from cells. Finally, high-throughput analysis methods (RNA-seq) were used to sequence the transcriptome of these cells. After PCA analysis of the RNA-seq data, Venny analysis, GO and KEGG enrichment were further used to find the key signaling pathways and genes in the RA-induction process. The results showed that on day 10 of RA-induction, grape cluster growth cells expressed integrinβ1, the specific marker protein of SSCs cells, and the integrinβ1 positive rate was 35.1%. Also, SSCs marker genes CVH, Integrinβ1, Integrinα6 were significantly up-regulated during RA-induction. Moreover, the significantly enriched pathway, ECM-receptor interaction signaling, in current study may play a crucial role in RA-induction. Then, JASPAR was used to predict the differential gene transcription factors in the signaling pathway, finding that RA receptor was a transcription factor of COL5A1, COL5A2 and COL3A1. The qRT-PCR results showed that the expression levels of RA receptors (RXRA, RARA and RXRG) and the predicted genes (COL5A1, COL5A2 and COL3A1) were both significantly increased during RA-induction. Also, dual-luciferase reporter assay showed that RA could affect the luciferin activities of COL5A1, COL5A2 and COL3A1. These results suggest that RA plays a crucial role in the formation of chicken spermatogonial stem cells via the transcription levels of COL5A1, COL5A2 and COL3A1 to regulate the ECM-receptor interaction signaling pathway. Additionally, knockdown of COL5A1/COL5A2/COL3A1 could effectively reduce the formation efficiency of SSCs. This indicated that the interference of RA receptor binding genes in the ECM-receptor interaction signaling pathway could decrease the efficiency of RA induced SSCs formation. Therefore, this study concludes that RA promotes formation of chicken spermatogonial stem cells by regulating the ECM-receptor interaction signaling pathway.
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Affiliation(s)
- Cai Hu
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Qisheng Zuo
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Kai Jin
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China.
| | - Zongyi Zhao
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Yuhui Wu
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Jichang Gao
- Clinical Medical College of Yangzhou University, Yangzhou 225001, China.
| | - Chaoyong Wang
- Clinical Medical College of Yangzhou University, Yangzhou 225001, China; Department of Orthopedics, Clinical Medical College of Yangzhou University, Subei People's Hospital of Jiangsu Province, Yangzhou 225001, China.
| | - Yingjie Wang
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China.
| | - Wanda Zhan
- Clinical Medical College of Yangzhou University, Yangzhou 225001, China; Department of Orthopedics, Clinical Medical College of Yangzhou University, Subei People's Hospital of Jiangsu Province, Yangzhou 225001, China.
| | - Jing Zhou
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Fufu Cheng
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Hongyan Sun
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
| | - Yingjie Niu
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China.
| | - Yani Zhang
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
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14
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Walker WH. Regulation of mammalian spermatogenesis by miRNAs. Semin Cell Dev Biol 2022; 121:24-31. [PMID: 34006455 PMCID: PMC8591147 DOI: 10.1016/j.semcdb.2021.05.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/03/2021] [Accepted: 05/05/2021] [Indexed: 01/03/2023]
Abstract
Male fertility requires the continual production of sperm by the process of spermatogenesis. This process requires the correct timing of regulatory signals to germ cells during each phase of their development. MicroRNAs (miRNAs) in germ cells and supporting Sertoli cells respond to regulatory signals and cause down- or upregulation of mRNAs and proteins required to produce proteins that act in various pathways to support spermatogenesis. The targets and functional consequences of altered miRNA expression in undifferentiated and differentiating spermatogonia, spermatocytes, spermatids and Sertoli cells are discussed. Mechanisms are reviewed by which miRNAs contribute to decisions that promote spermatogonia stem cell self-renewal versus differentiation, entry into and progression through meiosis, differentiation of spermatids, as well as the regulation of Sertoli cell proliferation and differentiation. Also discussed are miRNA actions providing the very first signals for the differentiation of spermatogonia stem cells in a non-human primate model of puberty initiation.
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Affiliation(s)
- William H. Walker
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine and Magee-Womens Research Institute, 204 Craft Ave., Pittsburgh, PA 15213, USA
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15
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Kaitetzidou E, Gilfillan GD, Antonopoulou E, Sarropoulou E. Sex-biased dynamics of three-spined stickleback (Gasterosteus aculeatus) gene expression patterns. Genomics 2021; 114:266-277. [PMID: 34933072 DOI: 10.1016/j.ygeno.2021.12.010] [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: 05/04/2021] [Revised: 11/17/2021] [Accepted: 12/05/2021] [Indexed: 11/28/2022]
Abstract
The study of the differences between sexes presents an excellent model to unravel how phenotypic variation is achieved from a similar genetic background. Sticklebacks are of particular interest since evidence of a heteromorphic chromosome pair has not always been detected. The present study investigated sex-biased mRNA and small non-coding RNA (sncRNA) expression patterns in the brain, adipose tissues, and gonads of the three-spined stickleback. The sncRNA analysis indicated that regulatory functions occurred mainly in the gonads. Alleged miRNA-mRNA interactions were established and a mapping bias of differential expressed transcripts towards chromosome 19 was observed. Key players previously shown to control sex determination and differentiation in other fish species but also genes like gapdh were among the transcripts identified. This is the first report in the three-spined stickleback demonstrating tissue-specific expression comprising both mRNA and sncRNA between sexes, emphasizing the importance of mRNA-miRNA interactions as well as new presumed genes not yet identified to have gender-specific roles.
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Affiliation(s)
- Elisavet Kaitetzidou
- Institute for Marine Biology, Biotechnology, and Aquaculture, Hellenic Centre for Marine Research, Greece
| | - Gregor D Gilfillan
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Efthimia Antonopoulou
- Department of Zoology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, Greece
| | - Elena Sarropoulou
- Institute for Marine Biology, Biotechnology, and Aquaculture, Hellenic Centre for Marine Research, Greece.
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Yan G, Tian F, Liu P, Sun J, Mao J, Han W, Mo R, Guo S, Yu Q. Sheng Jing Decoction Can Promote Spermatogenesis and Increase Sperm Motility of the Oligozoospermia Mouse Model. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:3686494. [PMID: 34899947 PMCID: PMC8654543 DOI: 10.1155/2021/3686494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 10/19/2021] [Accepted: 11/01/2021] [Indexed: 01/23/2023]
Abstract
Sheng Jing Decoction (SJD), as a traditional Chinese medicine prescription, is mainly be used to treat male infertility. However, the pharmacological functions and molecular mechanisms of SJD are poorly understood. In this study, we investigated the functions of SJD on spermatogenesis and sperm motility and explored the potential mechanisms involved. Here, we demonstrated that high, medium, and low doses of SJD are effective in restoring the impairments of the whole body and testicular tissue by cyclophosphamide inducing and to rescue the damage of testicular tissue cells including Sertoli cells and germ cells. SJD can partly restore the decrease in sperm concentration, sperm vitality, sperm motility, and normal sperm morphology rate in oligozoospermic mouse models. Ki67 staining analyses confirm SJD can promote testicular tissue cell proliferation. Real-time RT-PCR analyses also reveal that SJD can upregulate the expression of proliferation-associated gene Lin28a and differentiation-associated genes Kit, Sohlh2, and Stra8. SJD can also reduce the impairment of mitochondrial membrane potential (MMP) and sperm plasma membrane integrity by cyclophosphamide inducing. Our results reveal that SJD is effective in improving both sperm quantity and quality by increasing the sperm concentration, sperm vitality, sperm motility, and normal sperm morphology rate. SJD can promote spermatogenesis by upregulating the expression of the proliferation-associated gene Lin28a and the differentiation-associated genes (Kit, Sohlh2, and Stra8). SJD can sustain MMP and sperm plasma membrane integrity to increase sperm motility.
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Affiliation(s)
- Guang Yan
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Fang Tian
- NHC Key Lab of Reproduction Regulation (Shanghai Institute for Biomedical and Pharmaceutical Technologies), Fudan University, Shanghai 200032, China
| | - Peng Liu
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Jianming Sun
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Jianmin Mao
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Wenjun Han
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Ran Mo
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Shishuai Guo
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
| | - Quanyao Yu
- Department of Urology and Reproductive Medicine, Seventh People's Hospital of Shanghai University of TCM, Shanghai 200137, China
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17
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Ben Maamar M, Nilsson EE, Skinner MK. Epigenetic transgenerational inheritance, gametogenesis and germline development†. Biol Reprod 2021; 105:570-592. [PMID: 33929020 PMCID: PMC8444706 DOI: 10.1093/biolre/ioab085] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/12/2021] [Accepted: 04/22/2021] [Indexed: 12/14/2022] Open
Abstract
One of the most important developing cell types in any biological system is the gamete (sperm and egg). The transmission of phenotypes and optimally adapted physiology to subsequent generations is in large part controlled by gametogenesis. In contrast to genetics, the environment actively regulates epigenetics to impact the physiology and phenotype of cellular and biological systems. The integration of epigenetics and genetics is critical for all developmental biology systems at the cellular and organism level. The current review is focused on the role of epigenetics during gametogenesis for both the spermatogenesis system in the male and oogenesis system in the female. The developmental stages from the initial primordial germ cell through gametogenesis to the mature sperm and egg are presented. How environmental factors can influence the epigenetics of gametogenesis to impact the epigenetic transgenerational inheritance of phenotypic and physiological change in subsequent generations is reviewed.
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Affiliation(s)
- Millissia Ben Maamar
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Eric E Nilsson
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Michael K Skinner
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA, USA
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18
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Khanehzad M, Abolhasani F, Hassanzadeh G, Nourashrafeddin SM, Hedayatpour A. Determination of the Excitatory Effects of MicroRNA-30 in the Self-Renewal and Differentiation Process of Neonatal Mouse Spermatogonial Stem Cells. Galen Med J 2021; 9:e1829. [PMID: 34466599 PMCID: PMC8344142 DOI: 10.31661/gmj.v9i0.1829] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/17/2020] [Accepted: 04/26/2020] [Indexed: 01/15/2023] Open
Abstract
Background: Spermatogonial stem cells (SSCs) are considered as special stem cells since they have the ability of self-renewal, differentiation, and transferring genetic information to the next generation. Also, they considered as vital players in initiating and preserving spermatogenesis. The fate decisions of SSCs are mediated by intrinsic and extrinsic factors, among which microRNAs (miRNAs) are one of the most essential factors in spermatogenesis among endogenous regulators. However, the mechanisms by which individual miRNAs regulate self-renewal and differentiation of SSCs are unclear. The present study aimed to evaluate the impact of miRNA-30 mimic on fate determinations of SSCs. Materials and Methods: The obtained SSCs from neonatal mice (3-6 days old) were purified by MACS and flow cytometry with a promyelocytic leukemia zinc-finger marker. Then, the cultured cells were transfected with miRNA- 30 mimic, and finally, the changes in expressing ID4 and c-kit proteins were assessed by western blot analysis. Results: According to flow cytometry findings, the percentage of SSC purity was about 98.32. The expression of ID4 protein and colonization increased significantly through the transfection of miRNA-30 mimic (P<0.05). Conclusion: The miRNA-30 controls spermatogonial stem cell self-renewal and differentiation, which may have significant implications for treating male infertility.
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Affiliation(s)
- Maryam Khanehzad
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Farid Abolhasani
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Hassanzadeh
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mehdi Nourashrafeddin
- Department of Obstetrics, Gynecology and Reproductive Sciences, School of Medicine, University of Pittsburgh, Pittsburgh, USA
- School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Azim Hedayatpour
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Correspondence to: Azim Hedayatpour Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran Telephone Number: +982166419072 Email Address:
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19
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Rastgar Rezaei Y, Zarezadeh R, Nikanfar S, Oghbaei H, Nazdikbin N, Bahrami-Asl Z, Zarghami N, Ahmadi Y, Fattahi A, Nouri M, Dittrich R. microRNAs in the pathogenesis of non-obstructive azoospermia: the underlying mechanisms and therapeutic potentials. Syst Biol Reprod Med 2021; 67:337-353. [PMID: 34355990 DOI: 10.1080/19396368.2021.1951890] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
miRNAs are involved in different biological processes, including proliferation, differentiation, and apoptosis. Interestingly, 38% of the X chromosome-linked miRNAs are testis-specific and have crucial roles in regulating the renewal and cell cycle of spermatogonial stem cells. Previous studies demonstrated that abnormal expression of spermatogenesis-related miRNAs could lead to nonobstructive azoospermia (NOA). Moreover, differential miRNAs expression in seminal plasma of NOA patients has been reported compared to normozoospermic men. However, the role of miRNAs in NOA pathogenesis and the underlying mechanisms have not been comprehensively studied. Therefore, the aim of this review is to mechanistically describe the role of miRNAs in the pathogenesis of NOA and discuss the possibility of using the miRNAs as therapeutic targets.Abbreviations: AMO: anti-miRNA antisense oligonucleotide; AZF: azoospermia factor region; CDK: cyclin-dependent kinase; DAZ: deleted in azoospermia; ESCs: embryonic stem cells; FSH: follicle-stimulating hormone; ICSI: intracytoplasmic sperm injection; JAK/STAT: Janus kinase/signal transducers and activators of transcription; miRNA: micro-RNA; MLH1: Human mutL homolog l; NF-κB: Nuclear factor-kappa B; NOA: nonobstructive azoospermia; OA: obstructive azoospermia; PGCs: primordial germ cells; PI3K/AKT: Phosphatidylinositol 3-kinase/protein kinase B; Rb: retinoblastoma tumor suppressor; ROS: Reactive Oxygen Species; SCOS: Sertoli cell-only syndrome; SIRT: sirtuin; SNPs: single nucleotide polymorphisms; SSCs: spermatogonial stem cells; TESE: testicular sperm extraction; TGF-β: transforming growth factor-beta.
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Affiliation(s)
- Yeganeh Rastgar Rezaei
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Zarezadeh
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saba Nikanfar
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hajar Oghbaei
- Department of Physiology, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Zahra Bahrami-Asl
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nosratollah Zarghami
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yadollah Ahmadi
- Department of Urology, Sina Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Fattahi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Obstetrics and Gynecology, Erlangen University Hospital, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Mohammad Nouri
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ralf Dittrich
- Department of Obstetrics and Gynecology, Erlangen University Hospital, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
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20
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Mahboudi S, Parivar K, Mazaheri Z, Irani SH. Mir-106b Cluster Regulates Primordial Germ Cells Differentiation from Human Mesenchymal Stem Cells. CELL JOURNAL 2021; 23:294-302. [PMID: 34308572 PMCID: PMC8286458 DOI: 10.22074/cellj.2021.6836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 02/16/2020] [Indexed: 11/20/2022]
Abstract
Objective Numerous evidence indicates that microRNAs (miRNAs) are critical regulators in the spermatogenesis
process. The aim of this study was to investigate Mir-106b cluster regulates primordial germ cells (PGCs) differentiation
from human mesenchymal stem cells (MSCs).
Materials and Methods In this experimental study, samples containing male adipose (n: 9 samples- age: 25-40 years)
were obtained from cosmetic surgeries performed for the liposuction in Imam Khomeini Hospital. The differentiation
of MSCs into PGCs was accomplished by transfection of a lentivector expressing miR-106b. The transfection of miR-
106b was also confirmed by the detection of a clear green fluorescent protein (GFP) signal in MSCs. MSCs were
treated with bone morphogenic factor 4 (BMP4) protein, as a putative inducer of PGCs differentiation, to induce the
differentiation of MSCs into PGCs (positive control). After 4 days of transfection, the expression of miR-106b, STELLA,
and FRAGILIS genes was evaluated by real-time polymerase chain reaction (PCR). Also, the levels of thymocyte
differentiation antigen 1 (Thy1) protein was assessed by the western blot analysis. The cell surface expression of CD90
was also determined by immunocytochemistry method. The cytotoxicity of miR-106b was examined in MSCs after 24,
48, and 72 hours using the MTT assay. Results MSCs treated with BMP4 or transfected by miR-106b were successfully differentiated into PGCs. The results
of this study also showed that the expression of miR-106b was significantly increased after 48 hours from transfection.
Also, we showed STELLA, FARGILIS, as well as the protein expression of Thy1, was significantly higher in MSCs
transfected by lentivector expressing miR-106b in comparison with MSCs treated with BMP4 (P≤0.05). MTT assay
showed miR-106b was no toxic during 72 hours in 1 µg/ml dose, that this amount could elevated germ cells marker
significantly higher than other experimental groups (P≤0.05).
Conclusion According to this findings, it appears that miR-106b plays an essential role in the differentiation of MSCs
into PGCs.
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Affiliation(s)
- Sadaf Mahboudi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Kazem Parivar
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Zohreh Mazaheri
- Basic Medical Sciences Research Center, Histogenotech Company, Tehran, Iran
| | - S Hiva Irani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
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21
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Khanehzad M, Nourashrafeddin SM, Abolhassani F, Kazemzadeh S, Madadi S, Shiri E, Khanlari P, Khosravizadeh Z, Hedayatpour A. MicroRNA-30a-5p promotes differentiation in neonatal mouse spermatogonial stem cells (SSCs). Reprod Biol Endocrinol 2021; 19:85. [PMID: 34108007 PMCID: PMC8188658 DOI: 10.1186/s12958-021-00758-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/07/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The importance of spermatogonial stem cells (SSCs) in spermatogenesis is crucial and intrinsic factors and extrinsic signals mediate fate decisions of SSCs. Among endogenous regulators, microRNAs (miRNAs) play critical role in spermatogenesis. However, the mechanisms which individual miRNAs regulate self- renewal and differentiation of SSCs are unknown. The aim of this study was to investigate effects of miRNA-30a-5p inhibitor on fate determinations of SSCs. METHODS SSCs were isolated from testes of neonate mice (3-6 days old) and their purities were performed by flow cytometry with ID4 and Thy1 markers. Cultured cells were transfected with miRNA- 30a-5p inhibitor. Evaluation of the proliferation (GFRA1, PLZF and ID4) and differentiation (C-Kit & STRA8) markers of SSCs were accomplished by immunocytochemistry and western blot 48 h after transfection. RESULTS Based on the results of flow cytometry with ID4 and Thy1 markers, percentage of purity of SSCs was about 84.3 and 97.4 % respectively. It was found that expression of differentiation markers after transfection was significantly higher in miRNA-30a- 5p inhibitor group compared to other groups. The results of proliferation markers evaluation also showed decrease of GFRA1, PLZF and ID4 protein in SSCs transfected with miRNA-30a-5p inhibitor compared to the other groups. CONCLUSIONS It can be concluded that inhibition of miRNA-30a-5p by overexpression of differentiation markers promotes differentiation of Spermatogonial Stem Cells.
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Affiliation(s)
- Maryam Khanehzad
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Seyed Mehdi Nourashrafeddin
- Department of Obstetrics, Gynecology and Reproductive Sciences, School of Medicine, University of Pittsburgh, Pittsburgh, USA
- School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Farid Abolhassani
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Shokoofeh Kazemzadeh
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Soheila Madadi
- Department of Anatomy, School of Medicine, Arak University of Medical Science, Arak, Iran
| | - Elham Shiri
- Department of Anatomical Sciences, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Parastoo Khanlari
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Zahra Khosravizadeh
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Azim Hedayatpour
- Department of Anatomy, School of Medicine, Tehran University of Medical Science, Tehran, Iran.
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22
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Khanlari P, Khanehzad M, Khosravizadeh Z, Sobhani A, Barakzai S, Kazemzadeh S, Hedayatpour A. Effect of miR-30a-5p on Apoptosis, Colonization, and Oxidative Stress Variables in Frozen-Thawed Neonatal Mice Spermatogonial Stem Cells. Biopreserv Biobank 2021; 19:258-268. [PMID: 33913738 DOI: 10.1089/bio.2020.0121] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Cryopreservation of spermatogonial stem cells (SSCs) is a useful method for fertility preservation in preadolescent children suffering from cancer. However, SSCs may become damaged during cryopreservation due to the generation of reactive oxygen species (ROS). For this reason, various antioxidant agents have been used to protect SSCs from cryopreservation-induced damages. Recently, it has been reported that miR-30a-5p has antiapoptotic and antioxidant activity. The aim of this study was to assess the antiapoptotic and antioxidant effects of miR-30a-5p mimics in frozen-thawed SSCs. To this end, SSCs were isolated from male BALB/C mice (3-6 days old) and cultivated for 14 days. After the detection of optimum concentration, a miR-30a-5p mimic or miR-30a-5p inhibitor with Lipofectamine was transfected into SSCs and, finally, the cell groups were frozen for 1 week. After thawing, different properties, including cell viability (using MTT), colonization of SSCs (number and diameter of colonies), ROS generation (using DCFH-DA assay), levels of malondialdehyde (MDA) and superoxide dismutase (SOD), and gene expression of Bcl-2 and BAXBax (using quantitative real-time PCR), were investigated. The transfection of SSCs with miR-30a-5p mimics before the freezing-thawing process significantly increased the viability, number, and diameter of SSCs colonies. Also, the miR-30a-5p mimic decreased the levels of ROS production and MDA, but it increased the SOD levels. Moreover, the miR-30a-5p mimic decreased BAX and increased Bcl-2 expression in frozen-thawed SSCs. The transfection of SSCs with the miR-30a-5p mimic can increase cell viability and antioxidant defense, and it can decrease apoptosis during the freezing-thawing process. If SSC is able to produce spermatozoa after the transfection of miR-30a-5p and the freezing-thawing process, it can be suggested as a promising strategy for the cryopreservation of SSCs in prepubertal boys suffering from cancer.
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Affiliation(s)
- Parastoo Khanlari
- Department of Anatomy, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Khanehzad
- Department of Anatomy, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Aligholi Sobhani
- Department of Anatomy, Tehran University of Medical Sciences, Tehran, Iran
| | - Shogoofa Barakzai
- Department of Anatomy, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Azim Hedayatpour
- Department of Anatomy, Tehran University of Medical Sciences, Tehran, Iran
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23
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García-Padilla C, Lozano-Velasco E, López-Sánchez C, Garcia-Martínez V, Aranega A, Franco D. Non-Coding RNAs in Retinoic Acid as Differentiation and Disease Drivers. Noncoding RNA 2021; 7:ncrna7010013. [PMID: 33671241 PMCID: PMC8005990 DOI: 10.3390/ncrna7010013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/14/2021] [Accepted: 02/15/2021] [Indexed: 12/12/2022] Open
Abstract
All-trans retinoic acid (RA) is the most active metabolite of vitamin A. Several studies have described a pivotal role for RA signalling in different biological processes such as cell growth and differentiation, embryonic development and organogenesis. Since RA signalling is highly dose-dependent, a fine-tuning regulatory mechanism is required. Thus, RA signalling deregulation has a major impact, both in development and disease, related in many cases to oncogenic processes. In this review, we focus on the impact of ncRNA post-transcriptional regulatory mechanisms, especially those of microRNAs and lncRNAs, in RA signalling pathways during differentiation and disease.
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Affiliation(s)
- Carlos García-Padilla
- Department of Experimental Biology, University of Jaen, 23071 Jaen, Spain; (C.G.-P.); (E.L.-V.); (A.A.)
- Department of Human Anatomy and Embryology, University of Extremadura, 06006 Badajoz, Spain; (C.L.-S.); (V.G.-M.)
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain
| | - Estefanía Lozano-Velasco
- Department of Experimental Biology, University of Jaen, 23071 Jaen, Spain; (C.G.-P.); (E.L.-V.); (A.A.)
- Fundación Medina, 18016 Granada, Spain
| | - Carmen López-Sánchez
- Department of Human Anatomy and Embryology, University of Extremadura, 06006 Badajoz, Spain; (C.L.-S.); (V.G.-M.)
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain
| | - Virginio Garcia-Martínez
- Department of Human Anatomy and Embryology, University of Extremadura, 06006 Badajoz, Spain; (C.L.-S.); (V.G.-M.)
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain
| | - Amelia Aranega
- Department of Experimental Biology, University of Jaen, 23071 Jaen, Spain; (C.G.-P.); (E.L.-V.); (A.A.)
- Fundación Medina, 18016 Granada, Spain
| | - Diego Franco
- Department of Experimental Biology, University of Jaen, 23071 Jaen, Spain; (C.G.-P.); (E.L.-V.); (A.A.)
- Fundación Medina, 18016 Granada, Spain
- Correspondence:
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24
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Khanehzad M, Abbaszadeh R, Holakuyee M, Modarressi MH, Nourashrafeddin SM. FSH regulates RA signaling to commit spermatogonia into differentiation pathway and meiosis. Reprod Biol Endocrinol 2021; 19:4. [PMID: 33407539 PMCID: PMC7789255 DOI: 10.1186/s12958-020-00686-w] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 12/17/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Spermatogenesis is a complex process that is controlled by interactions between germ cells and somatic cells. The commitment of undifferentiated spermatogonia to differentiating spermatogonia and normal spermatogenesis requires the action of gonadotropins. Additionally, numerous studies revealed the role of retinoic acid signaling in induction of germ cell differentiation and meiosis entry. MAIN TEXT Recent studies have shown that expression of several RA signaling molecules including Rdh10, Aldh1a2, Crabp1/2 are influenced by changes in gonadotropin levels. Components of signaling pathways that are regulated by FSH signaling such as GDNF, Sohlh1/2, c-Kit, DMRT, BMP4 and NRGs along with transcription factors that are important for proliferation and differentiation of spermatogonia are also affected by retinoic acid signaling. CONCLUSION According to all studies that demonstrate the interface between FSH and RA signaling, we suggest that RA may trigger spermatogonia differentiation and initiation of meiosis through regulation by FSH signaling in testis. Therefore, to the best of our knowledge, this is the first time that the correlation between FSH and RA signaling in spermatogenesis is highlighted.
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Affiliation(s)
- Maryam Khanehzad
- Department of Anatomy, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Roya Abbaszadeh
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | | | - Seyed Mehdi Nourashrafeddin
- Department of Obstetrics, Gynecology and Reproductive Sciences, School of Medicine, University of Pittsburgh, Pittsburgh, USA.
- School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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25
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Neto FTL, Flannigan R, Goldstein M. Regulation of Human Spermatogenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1288:255-286. [PMID: 34453741 DOI: 10.1007/978-3-030-77779-1_13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Human spermatogenesis (HS) is an intricate network of sequential processes responsible for the production of the male gamete, the spermatozoon. These processes take place in the seminiferous tubules (ST) of the testis, which are small tubular structures considered the functional units of the testes. Each human testicle contains approximately 600-1200 STs [1], and are capable of producing up to 275 million spermatozoa per day [2].
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Affiliation(s)
| | - Ryan Flannigan
- Department of Urology, Weill Cornell Medicine, New York, NY, USA.,University of British Columbia, Vancouver, BC, Canada
| | - Marc Goldstein
- Department of Urology, Weill Cornell Medicine, New York, NY, USA.
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26
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Mokánszki A, Molnár Z, Varga Tóthné E, Bodnár B, Jakab A, Bálint BL, Balogh I. Altered microRNAs expression levels of sperm and seminal plasma in patients with infertile ejaculates compared with normozoospermic males. HUM FERTIL 2020; 23:246-255. [PMID: 30632823 DOI: 10.1080/14647273.2018.1562241] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Approximately 15% of couples are unable to conceive after one year of unprotected intercourse. Because sperm can be accessed with ease, it is reasonable to search for non-invasive biomarkers in semen. MicroRNAs are a family of short single-stranded non-coding RNA molecules that are capable of regulating gene expression and causing mRNA degradation. We studied the most common 11 spermatogenesis-related microRNAs expression levels in sperm and seminal plasma from patients with oligozoospermic or asthenozoospermic ejaculates, and in men with normozoospermic ejaculates. Five of these miRNAs were significantly upregulated and three were downregulated in infertile males compared to men with normozoospermic ejaculates. A statistically significant negative correlation was found between the sperm concentration and several microRNA expression level (let-7a, miR-7-1-3p, miR-141, miR-200a, and miR-429, p < 0.0001) both in sperm and in seminal plasma. We also found positive correlation between sperm concentration and some miRNA expression levels (miR-15b, miR-34b, and miR-122, p < 0.001) in sperm and in seminal plasma. This is the first study to demonstrate differences between sperm and seminal plasma miRNA expression level and to identify a correlation between the sperm concentration and miRNAs expression level. Therefore, these MiRNAs could have the potential be used as non-invasive biomarkers to diagnose males with impaired sperm production.
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Affiliation(s)
- Attila Mokánszki
- Faculty of Medicine, Department of Laboratory Medicine, Division of Clinical Genetics, University of Debrecen, Debrecen, Hungary
| | - Zsuzsanna Molnár
- Faculty of Medicine, Department of Laboratory Medicine, Division of Clinical Genetics, University of Debrecen, Debrecen, Hungary
| | - Emese Varga Tóthné
- Assisted Reproduction Center, Kaali Institute, Clinical Centre, University of Debrecen, Debrecen, Hungary
| | - Béla Bodnár
- Assisted Reproduction Center, Kaali Institute, Clinical Centre, University of Debrecen, Debrecen, Hungary
| | - Attila Jakab
- Faculty of Medicine, Department of Obstetrics and Gynecology, University of Debrecen, Debrecen, Hungary
| | - Bálint L Bálint
- Faculty of Medicine, Department of Biochemistry and Molecular Biology, University of Debrecen, Debrecen, Hungary
| | - István Balogh
- Faculty of Medicine, Department of Laboratory Medicine, Division of Clinical Genetics, University of Debrecen, Debrecen, Hungary
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27
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Zhou F, Chen W, Cui Y, Liu B, Yuan Q, Li Z, He Z. miRNA-122-5p stimulates the proliferation and DNA synthesis and inhibits the early apoptosis of human spermatogonial stem cells by targeting CBL and competing with lncRNA CASC7. Aging (Albany NY) 2020; 12:25528-25546. [PMID: 33231565 PMCID: PMC7803487 DOI: 10.18632/aging.104158] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023]
Abstract
Epigenetic regulators of human spermatogonia stem cells (SSCs) remain largely unknown. We found that miRNA-122-5p was upregulated in human spermatogonia from obstructive azoospermia (OA) patients compared with non-obstructive azoospermia (NOA). MiRNA-122-5p stimulated the proliferation and DNA synthesis of human SSCs, whereas it inhibited the early apoptosis of human SSCs. CBL was predicted and identified as a direct target of miRNA-122-5p in human SSCs. CBL silencing led to an enhancement of cell proliferation and DNA synthesis and neutralized the effect of miRNA-122-5p inhibitor on the DNA synthesis of human SSCs. The decrease in the early apoptosis of human SSCs was observed after CBL knockdown. By comparing the profiles of lncRNAs between OA and NOA spermatogonia, CASC7 was significantly deficient in OA spermatogonia, and it had a direct association with miRNA-122-5p. LncRNA CASC7 competed with miRNA-122-5p, and it suppressed the inhibition of CBL. Collectively, these results implicate that miRNA-122-5p enhances the proliferation and DNA synthesis and inhibits the early apoptosis of human SSCs by targeting CBL and competing with lncRNA CASC7. Therefore, this study provides novel insights into epigenetic regulation of fate determinations of human SSCs, and it offers new targets for gene therapy of male infertility that is associated with aging.
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Affiliation(s)
- Fan Zhou
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Department of Plastic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Wei Chen
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China
| | - Yinghong Cui
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China
| | - Bang Liu
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China
| | - Qingqing Yuan
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Department of Plastic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Zheng Li
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai 200080, China
| | - Zuping He
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China.,The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province, Changsha 410013, Hunan, China
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28
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Beato S, Toledo-Solís FJ, Fernández I. Vitamin K in Vertebrates' Reproduction: Further Puzzling Pieces of Evidence from Teleost Fish Species. Biomolecules 2020; 10:E1303. [PMID: 32917043 PMCID: PMC7564532 DOI: 10.3390/biom10091303] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/04/2020] [Accepted: 09/04/2020] [Indexed: 12/15/2022] Open
Abstract
Vitamin K (VK) is a fat-soluble vitamin that vertebrates have to acquire from the diet, since they are not able to de novo synthesize it. VK has been historically known to be required for the control of blood coagulation, and more recently, bone development and homeostasis. Our understanding of the VK metabolism and the VK-related molecular pathways has been also increased, and the two main VK-related pathways-the pregnane X receptor (PXR) transactivation and the co-factor role on the γ-glutamyl carboxylation of the VK dependent proteins-have been thoroughly investigated during the last decades. Although several studies evidenced how VK may have a broader VK biological function than previously thought, including the reproduction, little is known about the specific molecular pathways. In vertebrates, sex differentiation and gametogenesis are tightly regulated processes through a highly complex molecular, cellular and tissue crosstalk. Here, VK metabolism and related pathways, as well as how gametogenesis might be impacted by VK nutritional status, will be reviewed. Critical knowledge gaps and future perspectives on how the different VK-related pathways come into play on vertebrate's reproduction will be identified and proposed. The present review will pave the research progress to warrant a successful reproductive status through VK nutritional interventions as well as towards the establishment of reliable biomarkers for determining proper nutritional VK status in vertebrates.
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Affiliation(s)
- Silvia Beato
- Campus de Vegazana, s/n, Universidad de León (ULE), 24071 León, Spain;
| | - Francisco Javier Toledo-Solís
- Consejo Nacional de Ciencia y Tecnología (CONACYT, México), Av. Insurgentes Sur 1582, Col. Crédito Constructor, Alcaldía Benito Juárez, C.P. 03940 Ciudad de Mexico, Mexico;
- Department of Biology and Geology, University of Almería, 04120 Almería, Spain
| | - Ignacio Fernández
- Center for Aquaculture Research, Agrarian Technological Institute of Castile and Leon, Ctra. Arévalo, s/n, 40196 Zamarramala, Segovia, Spain
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29
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Li S, Lin G, Fang W, Gao D, Huang J, Xie J, Lu J. Identification and Comparison of microRNAs in the Gonad of the Yellowfin Seabream ( Acanthopagrus Latus). Int J Mol Sci 2020; 21:E5690. [PMID: 32784462 PMCID: PMC7461063 DOI: 10.3390/ijms21165690] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/04/2020] [Accepted: 08/05/2020] [Indexed: 12/14/2022] Open
Abstract
Yellowfin seabream (Acanthopagrus latus) is a commercially important fish in Asian coastal waters. Although natural sex reversal has been described in yellowfin seabream, the mechanisms underlying sexual differentiation and gonadal development in this species remain unclear. MicroRNAs (miRNAs) have been shown to play crucial roles in gametogenesis and gonadal development. Here, two libraries of small RNAs, constructed from the testes and ovaries of yellowfin seabream, were sequenced. Across both gonads, we identified 324 conserved miRNAs and 92 novel miRNAs: 67 ovary-biased miRNAs, including the miR-200 families, the miR-29 families, miR-21, and miR-725; and 88 testis-biased miRNAs, including the let-7 families, the miR-10 families, miR-7, miR-9, and miR-202-3p. GO (Gene Ontology) annotations and KEGG (Kyoto Encyclopedia of Genes and Genomes) enrichment analyses of putative target genes indicated that many target genes were significantly enriched in the steroid biosynthesis pathway and in the reproductive process. Our integrated miRNA-mRNA analysis demonstrated a putative negatively correlated expression pattern in yellowfin seabream gonads. This study profiled the expression patterns of sex-biased miRNAs in yellowfin seabream gonads, and provided important molecular resources that will help to clarify the miRNA-mediated post-transcriptional regulation of sexual differentiation and gonadal development in this species.
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Affiliation(s)
- Shizhu Li
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
| | - Genmei Lin
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
| | - Wenyu Fang
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
| | - Dong Gao
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
| | - Jing Huang
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
| | - Jingui Xie
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
| | - Jianguo Lu
- School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China; (S.L.); (G.L.); (W.F.); (D.G.); (J.H.); (J.X.)
- Southern Marine Sciences and Engineering Guangdong Laboratory, Zhuhai 519082, China
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30
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Expression profile of microRNAs in the testes of patients with Klinefelter syndrome. Sci Rep 2020; 10:11470. [PMID: 32651451 PMCID: PMC7351945 DOI: 10.1038/s41598-020-68294-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 06/18/2020] [Indexed: 02/07/2023] Open
Abstract
Klinefelter syndrome (KS) is the most common sex chromosome aneuploidy. A distinctive characteristic of KS is oligozoospermia. Despite multiple studies that have described the natural history of the degenerative process of germ cells in patients with KS, the molecular mechanisms that initiate this process are not well characterized. MicroRNA (miRNA)-mediated post-transcriptional control mechanisms have been increasingly recognized as important regulators of spermatogenesis; however, only a few studies have evaluated the role of miRNAs in the gonadal failure of these patients. Here, we describe a differential expression profile for the miRNAs in testicular tissue samples taken from KS patients. We analysed testicular tissue samples from 4 KS patients and 5 control patients (obstructive azoospermia) through next-generation sequencing, which can provide information about the mechanisms involved in the degeneration of germ cells. A distinctive differential expression profile was identified for 166 miRNAs in the KS patients: 66 were upregulated, and 100 were downregulated. An interactome analysis was performed for 7 of the upregulated and the 20 downregulated miRNAs. The results showed that the target genes are involved in the development, proliferation, and differentiation processes of spermatogenesis, which may explain their role in the development of infertility. This is the first report of a miRNA expression profile generated from testicular tissue samples of KS patients.
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31
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Li B, He X, Zhao Y, Bai D, Li D, Zhou Z, Manglai D. Analysis of the miRNA transcriptome during testicular development and spermatogenesis of the Mongolian horse. Reprod Fertil Dev 2020; 32:582-593. [PMID: 32209208 DOI: 10.1071/rd19133] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 10/01/2019] [Indexed: 12/25/2022] Open
Abstract
Numerous studies have shown that microRNAs (miRNAs) are essential for testicular development and spermatogenesis. In order to further characterise these physiological processes, three immature and three mature testes of the Mongolian horse were collected and six libraries were established. Using small RNA sequencing technology, 531 mature miRNAs were identified, including 46 novel miRNAs without previously ascribed functions. Among the 531 miRNAs, 421 were expressed in both immature and mature libraries, 65 miRNAs were found solely in immature testis libraries and 45 miRNAs were found solely in mature testis libraries. Furthermore, among the miRNAs that were identified in both immature and mature libraries, 107 were significantly differentially expressed (corrected P value (padj)<0.05). Among the miRNAs that were only expressed in immature testes, two miRNAs were differentially expressed, whereas among the miRNAs that were only expressed in mature testes, nine miRNAs were differentially expressed. Comprehensive analysis of miRNA and mRNA expression profiles predicted 107 miRNA-mRNA interaction sites. Gene ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway analysis of the predicted target genes suggested roles of the differentially expressed miRNAs in testicular development and spermatogenesis. These findings identify miRNAs as key factors in the development of the testes and spermatogenesis in the Mongolian horse, which may also help us to understand the mechanisms of fertility in related mammalian species.
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Affiliation(s)
- Bei Li
- College of Animal Science, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Centre, Inner Mongolia Agricultural University, Zhaowuda RD.306, Hohhot, Inner Mongolia, PR China
| | - Xiaolong He
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Zhaojun RD.22, Hohhot, Inner Mongolia, PR China
| | - Yiping Zhao
- College of Animal Science, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Centre, Inner Mongolia Agricultural University, Zhaowuda RD.306, Hohhot, Inner Mongolia, PR China
| | - Dongyi Bai
- College of Animal Science, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Centre, Inner Mongolia Agricultural University, Zhaowuda RD.306, Hohhot, Inner Mongolia, PR China
| | - Dandan Li
- College of Animal Science, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Centre, Inner Mongolia Agricultural University, Zhaowuda RD.306, Hohhot, Inner Mongolia, PR China
| | - Zhiyu Zhou
- College of Animal Science, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Centre, Inner Mongolia Agricultural University, Zhaowuda RD.306, Hohhot, Inner Mongolia, PR China
| | - Dugarjaviin Manglai
- College of Animal Science, Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Centre, Inner Mongolia Agricultural University, Zhaowuda RD.306, Hohhot, Inner Mongolia, PR China; and Corresponding author.
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Xu C, Shah MA, Mipam T, Wu S, Yi C, Luo H, Yuan M, Chai Z, Zhao W, Cai X. Bovid microRNAs involved in the process of spermatogonia differentiation into spermatocytes. Int J Biol Sci 2020; 16:239-250. [PMID: 31929752 PMCID: PMC6949159 DOI: 10.7150/ijbs.38232] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 09/28/2019] [Indexed: 12/17/2022] Open
Abstract
The male infertility of cattleyak resulted from spermatogenic arrest has greatly restricted the effective utilization of the heterosis from crossbreeding of cattle and yak. Based on our previous studies, the significant divergences of the transcriptomic and proteomic sequencing between yak and cattleyak prompt us to investigate the critical roles of microRNAs in post-transcriptional regulation of gene expression during spermatogenesis. TUNEL-POD analysis presented sharply decreased spermatogenic cell types and the increased apoptotic spermatogonia in cattleyak. The STA-PUT velocity sedimentation was employed to obtain spermatogonia and spermatocytes from cattle, yak and cattleyak and these spermatogenic cells were verified by the morphological and phenotypic identification. MicroRNA microarray showed that 27 differentially expressed miRNAs were simultaneously identified both in cattleyak vs cattle and in cattleyak vs yak comparisons. Further analysis revealed that the down-regulation of bta-let-7 families, bta-miR-125 and bta-miR-23a might impair the RA-induced differentiation of spermatogonia. Target gene analysis for differentially expressed miRNAs revealed that miRNAs targeted major players involved in vesicle-mediated transport, regulation of protein kinase activity and Pathways in cancer. In addition, spermatogonia transfection analysis revealed that the down-regulation of bta-miR-449a in the cattleyak might block the transition of male germ cells from the mitotic cycle to the meiotic program. The present study provided valuable information for future elucidating the regulatory roles of miRNAs involved in spermatogenic arrest of cattleyak.
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Affiliation(s)
- Chuanfei Xu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu 610041, Sichuan, China.,School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - Mujahid Ali Shah
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - TserangDonko Mipam
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Shixin Wu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - Chuanping Yi
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - Hui Luo
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - Meng Yuan
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - Zhixin Chai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Wangsheng Zhao
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
| | - Xin Cai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Sichuan Province and Ministry of Education, Southwest Minzu University, Chengdu 610041, Sichuan, China.,School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
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Gholikhani-Darbroud R. MicroRNA and retinoic acid. Clin Chim Acta 2019; 502:15-24. [PMID: 31812758 DOI: 10.1016/j.cca.2019.12.003] [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: 10/14/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVE Retinoic acid is a metabolite of vitamin A that is necessary to maintain health in human and most of the other vertebrates. MicroRNAs (miR or miRNAs) are small, non-coding RNA particles that diminish mRNA translation of various genes and so can regulate critical cell processes including cell death, proliferation, development, etc. The aim of this review is to study interrelations between retinoic acid with miRNAs. METHODS We reviewed and summarized all published articles in PubMed, Europe PMC, and Embase databases with any relationship between retinoic acid and miRNAs from Jun 2003 to Dec 2018 that includes 126 articles. RESULTS Results showed direct and indirect relationships between retinoic acid and miRNAs in various levels including effects of retinoic acid on expression of various miRNAs and miRNA-biogenesis enzymes, and effect of miRNAs on metabolism of retinoic acid. DISCUTION AND CONCLUSION This review indicates that retinoic acid has inter-correlations with various miRNA members and their metabolism in health and disease may require implications of the other.
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Affiliation(s)
- Reza Gholikhani-Darbroud
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia 5714783734, Iran.
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34
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Robles V, Valcarce DG, Riesco MF. Non-coding RNA regulation in reproduction: Their potential use as biomarkers. Noncoding RNA Res 2019; 4:54-62. [PMID: 31193491 PMCID: PMC6531869 DOI: 10.1016/j.ncrna.2019.04.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 04/24/2019] [Accepted: 04/24/2019] [Indexed: 12/13/2022] Open
Abstract
Non-coding RNAs (ncRNAs) are crucial regulatory elements in most biological processes and reproduction is also controlled by them. The different types of ncRNAs, as well as the high complexity of these regulatory pathways, present a complex scenario; however, recent studies have shed some light on these questions, discovering the regulatory function of specific ncRNAs on concrete reproductive biology processes. This mini review will focus on the role of ncRNAs in spermatogenesis and oogenesis, and their potential use as biomarkers for reproductive diseases or for reproduction success.
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Affiliation(s)
- Vanesa Robles
- Spanish Institute of Oceanography (IEO) Santander, Spain
- MODCELL GROUP, Department of Molecular Biology, Universidad de León, 24071, León, Spain
- Corresponding author. Planta de Cultivos el Bocal, IEO, Barrio Corbanera, Monte, Santander, 39012, Spain.
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35
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Mobasheri MB, Babatunde KA. Testicular miRNAs in relation to spermatogenesis, spermatogonial stem cells and cancer/testis genes. SCIENTIFIC AFRICAN 2019. [DOI: 10.1016/j.sciaf.2019.e00067] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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36
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Lin Z, Tong MH. m 6A mRNA modification regulates mammalian spermatogenesis. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2018; 1862:403-411. [PMID: 30391644 DOI: 10.1016/j.bbagrm.2018.10.016] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 10/26/2018] [Accepted: 10/30/2018] [Indexed: 02/07/2023]
Abstract
Mammalian spermatogenesis is a highly specialized differentiation process involving precise regulatory mechanisms at the transcriptional, posttranscriptional, and translational levels. Emerging evidence has shown that N6-methyladenosine (m6A), an epitranscriptomic regulator of gene expression, can influence pre-mRNA splicing, mRNA export, turnover, and translation, which are controlled in the male germline to ensure coordinated gene expression. In this review, we summarize the typical features of m6A RNA modification on mRNA during male germline development, and highlight the function of writers, erasers, and readers of m6A during mouse spermatogenesis.
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Affiliation(s)
- Zhen Lin
- State Key Laboratory of Molecular Biology, Shanghai Key Laboratory of Molecular Andrology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Ming-Han Tong
- State Key Laboratory of Molecular Biology, Shanghai Key Laboratory of Molecular Andrology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China.
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Transcriptome Dynamics During Turbot Spermatogenesis Predicting the Potential Key Genes Regulating Male Germ Cell Proliferation and Maturation. Sci Rep 2018; 8:15825. [PMID: 30361543 PMCID: PMC6202422 DOI: 10.1038/s41598-018-34149-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 08/23/2018] [Indexed: 01/19/2023] Open
Abstract
Spermatogenesis is a dynamic developmental process in which spermatogonial stem cells proliferate, differentiate and mature into functional spermatozoa. These processes require an accurate gene regulation network. Here, we investigated the dynamic changes that occur during spermatogenesis through a combination of histological and transcriptome analyses of different developmental stages of the testis. We constructed 18 testis transcriptome libraries, and the average length, N50, and GC content of the unigenes were 1,795 bp; 3,240 bp and 49.25%, respectively. Differentially expressed genes (DEGs) that were related to germ cell proliferation and maturation, such as NANOS3, RARs, KIFs, steroid hormone synthesis-related genes and receptor genes, were identified between pairs of testis at different developmental stages. Gene ontology annotation and pathway analyses were conducted on DEGs with specific expression patterns involved in the regulation of spermatogenesis. Nine important pathways such as steroid hormone biosynthesis related to spermatogenesis were identified. A total of 21 modules that ranged from 49 to 7,448 genes were designed by a weighted gene co-expression network analysis. Furthermore, a total of 83 candidate miRNA were identified by computational methods. Our study provides the first transcriptomic evidence for differences in gene expression between different developmental stages of spermatogenesis in turbot (Scophthalmus maximus).
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Xu XY, Wu D, Xu SY, Che LQ, Fang ZF, Feng B, Li J, Wu CM, Lin Y. Comparison of microRNA transcriptomes reveals differential regulation of microRNAs in different-aged boars. Theriogenology 2018; 119:105-113. [DOI: 10.1016/j.theriogenology.2018.06.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 06/25/2018] [Accepted: 06/27/2018] [Indexed: 12/13/2022]
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39
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Reza AMMT, Choi YJ, Han SG, Song H, Park C, Hong K, Kim JH. Roles of microRNAs in mammalian reproduction: from the commitment of germ cells to peri-implantation embryos. Biol Rev Camb Philos Soc 2018; 94:415-438. [PMID: 30151880 PMCID: PMC7379200 DOI: 10.1111/brv.12459] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 07/25/2018] [Accepted: 07/27/2018] [Indexed: 12/15/2022]
Abstract
MicroRNAs (miRNAs) are active regulators of numerous biological and physiological processes including most of the events of mammalian reproduction. Understanding the biological functions of miRNAs in the context of mammalian reproduction will allow a better and comparative understanding of fertility and sterility in male and female mammals. Herein, we summarize recent progress in miRNA‐mediated regulation of mammalian reproduction and highlight the significance of miRNAs in different aspects of mammalian reproduction including the biogenesis of germ cells, the functionality of reproductive organs, and the development of early embryos. Furthermore, we focus on the gene expression regulatory feedback loops involving hormones and miRNA expression to increase our understanding of germ cell commitment and the functioning of reproductive organs. Finally, we discuss the influence of miRNAs on male and female reproductive failure, and provide perspectives for future studies on this topic.
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Affiliation(s)
- Abu Musa Md Talimur Reza
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, 143-701, Republic of Korea
| | - Yun-Jung Choi
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, 143-701, Republic of Korea
| | - Sung Gu Han
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyuk Song
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, 143-701, Republic of Korea
| | - Chankyu Park
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, 143-701, Republic of Korea
| | - Kwonho Hong
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, 143-701, Republic of Korea
| | - Jin-Hoi Kim
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, 143-701, Republic of Korea
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40
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Griswold MD. 50 years of spermatogenesis: Sertoli cells and their interactions with germ cells. Biol Reprod 2018; 99:87-100. [PMID: 29462262 PMCID: PMC7328471 DOI: 10.1093/biolre/ioy027] [Citation(s) in RCA: 161] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 01/22/2018] [Accepted: 02/02/2018] [Indexed: 01/15/2023] Open
Abstract
The complex morphology of the Sertoli cells and their interactions with germ cells has been a focus of investigators since they were first described by Enrico Sertoli. In the past 50 years, information on Sertoli cells has transcended morphology alone to become increasingly more focused on molecular questions. The goal of investigators has been to understand the role of the Sertoli cells in spermatogenesis and to apply that information to problems relating to male fertility. Sertoli cells are unique in that they are a nondividing cell population that is active for the reproductive lifetime of the animal and cyclically change morphology and gene expression. The numerous and distinctive junctional complexes and membrane specializations made by Sertoli cells provide a scaffold and environment for germ cell development. The increased focus of investigators on the molecular components and putative functions of testicular cells has resulted primarily from procedures that isolate specific cell types from the testicular milieu. Products of Sertoli cells that influence germ cell development and vice versa have been characterized from cultured cells and from the application of transgenic technologies. Germ cell transplantation has shown that the Sertoli cells respond to cues from germ cells with regard to developmental timing and has furthered a focus on spermatogenic stem cells and the stem cell niche. Very basic and universal features of spermatogenesis such as the cycle of the seminiferous epithelium and the spermatogenic wave are initiated by Sertoli cells and maintained by Sertoli-germ cell cooperation.
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Affiliation(s)
- Michael D Griswold
- Center for Reproductive Biology, Washington State University, Pullman, Washington, USA
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Zuo Q, Jin K, Song J, Zhang Y, Chen G, Li B. Interaction of the primordial germ cell-specific protein C2EIP with PTCH2 directs differentiation of embryonic stem cells via HH signaling activation. Cell Death Dis 2018; 9:497. [PMID: 29703892 PMCID: PMC5923244 DOI: 10.1038/s41419-018-0557-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 03/26/2018] [Accepted: 04/04/2018] [Indexed: 12/13/2022]
Abstract
Although many marker genes for germ cell differentiation have been identified, genes that specifically regulate primordial germ cell (PGC) generation are more difficult to determine. In the current study, we confirmed that C2EIP is a PGC marker gene that regulates differentiation by influencing the expression of pluripotency-associated genes such as Oct4 and Sox2. Knockout of C2EIP during embryonic development reduced PGC generation efficiency 1.5-fold, whereas C2EIP overexpression nearly doubled the generation efficiency both in vitro and in vivo. C2EIP encodes a cytoplasmic protein that interacted with PTCH2 at the intracellular membrane, promoted PTCH2 ubiquitination, activated the Hedgehog (HH) signaling pathway via competitive inhibition of the GPCR-like protein SMO, and positively regulated PGC generation. Activation and expression of C2EIP are regulated by the transcription factor STAT1, histone acetylation, and promoter methylation. Our data suggest that C2EIP is a novel, specific indicator of PGC generation whose gene product regulates embryonic stem cell differentiation by activating the HH signaling pathway via PTCH2 modification.
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Affiliation(s)
- Qisheng Zuo
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, P.R. China
| | - Kai Jin
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, P.R. China
| | - Jiuzhou Song
- Animal & Avian Sciences, University of Maryland, Baltimore, MD, 20741, USA
| | - Yani Zhang
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, P.R. China
| | - Guohong Chen
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, P.R. China
| | - Bichun Li
- Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, 225009, P.R. China.
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He Y, Zhang Y, Li H, Zhang H, Li Z, Xiao L, Hu J, Ma Y, Zhang Q, Zhao X. Comparative Profiling of MicroRNAs Reveals the Underlying Toxicological Mechanism in Mice Testis Following Carbon Ion Radiation. Dose Response 2018; 16:1559325818778633. [PMID: 29977176 PMCID: PMC6024298 DOI: 10.1177/1559325818778633] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 02/13/2018] [Accepted: 02/13/2018] [Indexed: 01/07/2023] Open
Abstract
This study investigated the toxicity of heavy ion radiation to mice testis by microRNA (miRNA) sequencing and bioinformatics analyses. Testicular indices and histology were measured following enterocoelia irradiation with a 2 Gy carbon ion beam, with the testes exhibiting the most serious injuries at 4 weeks after carbon ion radiation (CIR) exposure. Illumina sequencing technology was used to sequence small RNA libraries of the control and irradiated groups at 4 weeks after CIR. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses implicated differential miRNAs in the regulation of target genes involved in metabolism, development, and reproduction. Here, 8 miRNAs, including miR-34c-5p, miR-138, and 6 let-7 miRNA family members previously reported in testis after radiation, were analyzed by quantitative reverse transcription-polymerase chain reaction (qRT-PCR) to validate miRNA sequencing data. The differentially expressed miRNAs described here provided a novel perspective for the role of miRNAs in testis toxicity following CIR.
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Affiliation(s)
- Yuxuan He
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Yong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Hongyan Li
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
| | - Hong Zhang
- Department of Radiation Medicine, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China
| | - Zongshuai Li
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Longfei Xiao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Junjie Hu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Youji Ma
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Quanwei Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Xingxu Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
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Li X, Fok KL, Guo J, Wang Y, Liu Z, Chen Z, Wang C, Ruan YC, Yu SS, Zhao H, Wu J, Jiang X, Chan HC. Retinoic acid promotes stem cell differentiation and embryonic development by transcriptionally activating CFTR. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1865:605-615. [DOI: 10.1016/j.bbamcr.2018.01.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 01/03/2018] [Accepted: 01/07/2018] [Indexed: 01/11/2023]
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Zhang X, Li L, Jiang H, Ma JE, Li J, Chen J. Identification and differential expression of microRNAs in testis and ovary of Amur sturgeon (Acipenser schrenckii). Gene 2018. [PMID: 29524574 DOI: 10.1016/j.gene.2018.03.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND MicroRNAs (miRNAs) cooperate with sex-related genes in post-transcriptional regulation and play extremely important roles in the establishment of sexually dimorphic traits in animals. However, the gonad miRNAs and expression patterns of miRNAs in sturgeon have not been investigated. METHODS In the present study, we used high-throughput small RNA sequencing (RNA-Seq) to discover gonad miRNAs from the ovaries and testes of Amur sturgeons (Acipenser schrenckii). Further, microarray and real-time PCR assays were performed to identify the expression patterns of gonad miRNAs. RESULTS As a result, a total of 679 conserved and 51 novel miRNAs were successfully discovered in the gonads of A. schrenckii. Moreover, we found wide sequence variations (isomiRs) in gonad miRNAs, including 5' and 3' isomiRs. Our microarray analysis further characterized the 730 miRNAs expression profiles, which indicated that 117 differentially expressed miRNAs were detected with sex-biased patterns: 71 testis-biased and 46 ovary-biased miRNAs. Based on bioinformatics prediction, we found that there were functional differences between the testis-biased and ovary-biased miRNA targets involved in reproductive-related GO and KEGG pathways. Further, the association of the differentially expressed miRNAs and sex-related target mRNAs was uncovered. Finally, the expression patterns of 11 sex-biased miRNAs and 7 sex-related targets were validated in testes and ovaries using real-time PCR. Putative, negatively expressed miRNA-mRNA relationships were confirmed, such as Dmrt1 and asc-miR-2779, AR and asc-miR-203b-3p, foxl2 and asc-miR-30d. CONCLUSION This study provides information regarding the gonad miRNAs in sturgeon. The differential expression miRNAs in the gonads will help us to further understand the role of miRNA-mediated post-transcriptional regulation in the ovary and testis of sturgeon.
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Affiliation(s)
- Xiujuan Zhang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong, China
| | - Linmiao Li
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong, China
| | - Haiying Jiang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong, China
| | - Jing E Ma
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong, China
| | - Juan Li
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong, China
| | - Jinping Chen
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong, China..
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45
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Zhu X, Chen S, Jiang Y, Xu Y, Zhao Y, Chen L, Li C, Zhou X. Analysis of miRNA expression profiles in melatonin-exposed GC-1 spg cell line. Gene 2018; 642:513-521. [DOI: 10.1016/j.gene.2017.11.068] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 08/24/2017] [Accepted: 11/28/2017] [Indexed: 12/15/2022]
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46
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Camprubí C, Cigliano RA, Salas-Huetos A, Garrido N, Blanco J. What the human sperm methylome tells us. Epigenomics 2017; 9:1299-1315. [DOI: 10.2217/epi-2017-0049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Aim: To characterize the sperm methylome in semen samples from 19 donors with proven fertility. Materials & methods: Bisulfite-converted sperm DNA was hybridized on the HumanMethylation450 Infinium BeadChip platform. CpG fluorescence intensities were extracted and converted to β-values. Results: The sperm methylome is highly homogeneous and hypomethylated. Genes with hypomethylated promoters are ontologically associated to biological functions related to spermatogenesis and embryogenesis. Sex chromosomes are the most hypomethylated chromosomes, supporting data that indicated their essential role in spermatogenesis. A total of 94 genes are resistant to demethylation, being strong candidates for transgenerational inheritance. Conclusion: Spermatozoa carry a homogeneous methylation profile that is a footprint of past events (spermatogenesis), is designed to facilitate future events (embryogenesis) and has a possible influence in the adult life (transgenerational effects).
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Affiliation(s)
- Cristina Camprubí
- Genetics of Male Fertility Group, Unitat de Biologia Cellular (Facultat de Biociències), Universitat Autònoma de Barcelona, 08193-Bellaterra (Cerdanyola del Vallès), Spain
- GenIntegral, Barcelona, Spain
- Reference Laboratory Genetics, Pablo Iglesias 57-59, 08908-L'Hospitalet de Llobregat, Barcelona, Spain
| | - Riccardo Aiese Cigliano
- Sequentia Biotech, Edifici Eureka, Campus UAB, 08193-Bellaterra (Cerdanyola del Vallès), Spain
| | - Albert Salas-Huetos
- Genetics of Male Fertility Group, Unitat de Biologia Cellular (Facultat de Biociències), Universitat Autònoma de Barcelona, 08193-Bellaterra (Cerdanyola del Vallès), Spain
| | - Nicolas Garrido
- IVI Foundation, Parc Científic Universitat de València, 46980-Paterna, Spain
| | - Joan Blanco
- Genetics of Male Fertility Group, Unitat de Biologia Cellular (Facultat de Biociències), Universitat Autònoma de Barcelona, 08193-Bellaterra (Cerdanyola del Vallès), Spain
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Chen J, Cai T, Zheng C, Lin X, Wang G, Liao S, Wang X, Gan H, Zhang D, Hu X, Wang S, Li Z, Feng Y, Yang F, Han C. MicroRNA-202 maintains spermatogonial stem cells by inhibiting cell cycle regulators and RNA binding proteins. Nucleic Acids Res 2017; 45:4142-4157. [PMID: 27998933 PMCID: PMC5397178 DOI: 10.1093/nar/gkw1287] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 12/13/2016] [Indexed: 12/21/2022] Open
Abstract
miRNAs play important roles during mammalian spermatogenesis. However, the function of most miRNAs in spermatogenesis and the underlying mechanisms remain unknown. Here, we report that miR-202 is highly expressed in mouse spermatogonial stem cells (SSCs), and is oppositely regulated by Glial cell-Derived Neurotrophic Factor (GDNF) and retinoic acid (RA), two key factors for SSC self-renewal and differentiation. We used inducible CRISPR-Cas9 to knockout miR-202 in cultured SSCs, and found that the knockout SSCs initiated premature differentiation accompanied by reduced stem cell activity and increased mitosis and apoptosis. Target genes were identified with iTRAQ-based proteomic analysis and RNA sequencing, and are enriched with cell cycle regulators and RNA-binding proteins. Rbfox2 and Cpeb1 were found to be direct targets of miR-202 and Rbfox2 but not Cpeb1, is essential for the differentiation of SSCs into meiotic cells. Accordingly, an SSC fate-regulatory network composed of signaling molecules of GDNF and RA, miR-202 and diverse downstream effectors has been identified.
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Affiliation(s)
- Jian Chen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Tanxi Cai
- University of Chinese Academy of Sciences, Beijing 100049, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Chunwei Zheng
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiwen Lin
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Guojun Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Shangying Liao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiuxia Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Haiyun Gan
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Daoqin Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiangjing Hu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Si Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhen Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yanmin Feng
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Fuquan Yang
- University of Chinese Academy of Sciences, Beijing 100049, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Chunsheng Han
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,The Key Laboratory of Protein and Peptide Pharmaceuticals & Laboratory of Proteomics, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
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Luo ZY, Dai XL, Ran XQ, Cen YX, Niu X, Li S, Huang SH, Wang JF. Identification and profile of microRNAs in Xiang pig testes in four different ages detected by Solexa sequencing. Theriogenology 2017; 117:61-71. [PMID: 28683952 DOI: 10.1016/j.theriogenology.2017.06.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 06/22/2017] [Accepted: 06/22/2017] [Indexed: 01/07/2023]
Abstract
To further understand the role of microRNA (miRNA) during testicular development, we constructed four small RNA libraries from the testes of the Chinese indigenous Xiang pig at four different ages, which were sequenced using high-throughput Solexa deep sequencing methods. It yielded over 23 million high-quality reads and 1,342,579 unique sequences. At two and three months of age, the proportion which represented miRNAs was the most abundant class of small RNAs, but it was gradually replaced by the category that represented piRNAs in adult testes. We identified 543 known and homologous conserved porcine miRNAs and 49 potential novel miRNAs. There were 306 known miRNAs which were co-expressed in four libraries. Six miRNAs and three potential novel miRNAs were validated in testes and sperms of Xiang pig by RT-qPCR method. Many clusters of mature miRNA variants were observed, in which let-7 family was the most abundant one. After comparison among libraries, 204 miRNAs were identified as being differentially expressed and likely involved in the development and spermatogenesis of pig testes. This work presented a general genome-wide expression profile of the testes-expressed small RNAs in different ages of pig testes. Our results suggested that miRNAs performed a role in the regulation of mRNAs in puberty pig testes while piRNAs likely functioned mainly in sexually mature pig testes.
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Affiliation(s)
- Zhi-Yu Luo
- College of Animal Science, Guizhou University, Guiyang, China
| | - Xin-Lan Dai
- Institute of Agro-Bioengineering, Guizhou University, Guiyang, China
| | - Xue-Qin Ran
- College of Animal Science, Guizhou University, Guiyang, China.
| | - Yong-Xiu Cen
- College of Animal Science, Guizhou University, Guiyang, China
| | - Xi Niu
- Institute of Agro-Bioengineering, Guizhou University, Guiyang, China
| | - Sheng Li
- Institute of Agro-Bioengineering, Guizhou University, Guiyang, China
| | - Shi-Hui Huang
- College of Animal Science, Guizhou University, Guiyang, China
| | - Jia-Fu Wang
- Institute of Agro-Bioengineering, Guizhou University, Guiyang, China; Tongren University, Tongren, China.
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49
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Weng B, Ran M, Chen B, Wu M, Peng F, Dong L, He C, Zhang S, Li Z. Systematic identification and characterization of miRNAs and piRNAs from porcine testes. Genes Genomics 2017. [DOI: 10.1007/s13258-017-0573-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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50
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Chen X, Li X, Guo J, Zhang P, Zeng W. The roles of microRNAs in regulation of mammalian spermatogenesis. J Anim Sci Biotechnol 2017; 8:35. [PMID: 28469844 PMCID: PMC5410700 DOI: 10.1186/s40104-017-0166-4] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 03/30/2017] [Indexed: 02/07/2023] Open
Abstract
Mammalian spermatogenesis contains three continuous and organized processes, by which spermatogonia undergo mitosis and differentiate to spermatocytes, follow on meiosis to form haploid spermatids and ultimately transform into spermatozoa. These processes require an accurately, spatially and temporally regulated gene expression patterns. The microRNAs are a novel class of post-transcriptional regulators. Cumulating evidences have demonstrated that microRNAs are expressed in a cell-specific or stage-specific manner during spermatogenesis. In this review, we focus on the roles of microRNAs in spermatogenesis. We highlight that N6-methyladenosine (m6A) is involved in the biogenesis of microRNAs and miRNA regulates the m6A modification on mRNA, and that specific miRNAs have been exploited as potential biomarkers for the male factor infertility, which will provide insightful understanding of microRNA roles in spermatogenesis.
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Affiliation(s)
- Xiaoxu Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100 China
| | - Xueliang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100 China
| | - Jiayin Guo
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100 China
| | - Pengfei Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100 China
| | - Wenxian Zeng
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100 China
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