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Liu G, Liu D, Zhu M, Zhang M, Li C, Xu X, Pan F. Insulin-like growth factor-1 promotes the testicular sperm production by improving germ cell survival and proliferation in high-fat diet-treated male mice. Andrology 2024. [PMID: 38639009 DOI: 10.1111/andr.13645] [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: 05/18/2023] [Revised: 03/16/2024] [Accepted: 03/28/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND A decrease in semen volume among men is comparable to the rising prevalence of obesity worldwide. The anabolic hormone insulin-like growth factor-1 (IGF-1) can promote proliferation and differentiation in cultured mouse spermatogonial stem cells and alleviate abnormal in vitro spermatogenesis. Additionally, serum IGF-1 level is negatively correlated with body mass index. Whereas the role of IGF-1 in the sperm production in obese men remains unclear. OBJECTIVE To investigate the therapeutic effect and potential mechanism of IGF-1 on spermatogenesis of high-fat diet (HFD)-induced obesity mice. METHODS An HFD-induced obesity mouse model was established. Alterations in testicular morphology, sperm count, proliferation, and apoptosis were observed by H&E staining,immunohistochemistry, immunofluorescence, and Western blotting. Exogenous recombinant IGF-1 was administered to obese mice to investigate the correlations between altered testicular IGF-1 levels and sperm production. RESULTS The sperm count was reduced, the testicular structure was disordered, and sex hormone levels were abnormal in HFD-fed mice compared with normal diet-fed mice. The expression of proliferation-related antigens such as proliferating cell nuclear antigen (PCNA) and Ki-67 was decreased, while that of proapoptotic proteins such as c-caspase3 was increased in testes from HFD-fed mice. Most importantly, the phosphorylation of insulin-like growth factor-1 receptor (IGF-1R) in testes was decreased due to reductions in IGF-1 from hepatocytes and Sertoli cells. Recombinant IGF-1 alleviated these functional impairments by promoting IGF-1R, Akt, and Erk1/2 phosphorylation in the testes. CONCLUSIONS Insufficient IGF-1/IGF-1R signaling is intimately linked to damaged sperm production in obese male mice. Exogenous IGF-1 can improve survival and proliferation as well as sperm production. This study provides a novel theoretical basis and a target for the treatment of obese men with oligozoospermia.
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Affiliation(s)
- Guoqiang Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Di Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Minggang Zhu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Mingrui Zhang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chunyang Li
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Key Laboratory of, Ministry of Education for Neurological Disorders, Wuhan, Hubei, China
| | - Xiaohong Xu
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Key Laboratory of, Ministry of Education for Neurological Disorders, Wuhan, Hubei, China
| | - Feng Pan
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Shakeel M, Yoon M. Effects of insulin-like growth factor-1 on the proliferation and apoptosis of stallion testicular cells under normal and heat stress culture conditions. Anim Reprod Sci 2023; 256:107319. [PMID: 37633109 DOI: 10.1016/j.anireprosci.2023.107319] [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: 05/23/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 08/28/2023]
Abstract
This study investigated the effect of heat stress on stallion testicular cells (TCs) and the effect of insulin-like growth factor (IGF)-1 on TC viability, proliferation, and apoptosis, including different stages of germ cells. TCs were divided into control or treatment groups with 0.01, 0.1, 1, 10, and 100 ng/mL of recombinant human IGF-1 (rhIGF-1) for 24 h at 34 °C and 37 °C. The population and viability were measured before and after treatment. The effects of rhIGF-1 on TC viability, proliferation, and apoptosis were determined using RT-qPCR. Proliferating cell nuclear antigen (PCNA) and marker of proliferation Ki-67 (MKI-67) were used as proliferation markers. Myeloid leukemia-1 (MCL-1) was used as an antiapoptotic marker. BCL2 antagonist/killer-1 (BAK-1) was used as a proapoptotic marker. The relative abundance of mRNA transcript of undifferentiated cell transcription factor 1 (UTF-1), protein gene product 9.5 (PGP9.5), and deleted in azoospermia-like (DAZL), was measured for spermatogenesis progression. TCs treated with 1 ng/mL rhIGF-1 at 34 °C exhibited the highest viability. Significant upregulation of the relative abundance of mRNA transcript of PCNA, MKI-67, and MCL-1 was observed in treated TCs compared with untreated TCs; however, BAK-1 was significantly downregulated in treated TCs. Germ cells treated with 1 ng/mL rhIGF-1 exhibited the highest relative abundance of mRNA transcript of UTF-1 and DAZL, whereas TCs exposed to 0.1 ng/mL showed the highest PGP9.5 level. These data confirm that heat stress in stallions decreases TC viability. These findings may help identify a basal IGF-1 level for TC proliferation and apoptosis during heat stress-induced testicular degeneration in stallions.
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Affiliation(s)
- Muhammad Shakeel
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju 37224, Republic of Korea; Department of Clinical Studies, Faculty of Veterinary and Animal Sciences, Pir Mehr Ali Shah, Arid Agriculture University, Rawalpindi 44000, Pakistan
| | - Minjung Yoon
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju 37224, Republic of Korea; Department of Horse, Companion, and Wild Animal Science, Kyungpook National University, Sangju 37224, Republic of Korea; Research Centre for Horse Industry, Kyungpook National University, Sangju 37224, Republic of Korea.
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3
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Suzuki T. Overview of single-cell RNA sequencing analysis and its application to spermatogenesis research. Reprod Med Biol 2023; 22:e12502. [PMID: 36726594 PMCID: PMC9884325 DOI: 10.1002/rmb2.12502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 12/18/2022] [Accepted: 01/10/2023] [Indexed: 01/30/2023] Open
Abstract
Background Single-cell transcriptomics allows parallel analysis of multiple cell types in tissues. Because testes comprise somatic cells and germ cells at various stages of spermatogenesis, single-cell RNA sequencing is a powerful tool for investigating the complex process of spermatogenesis. However, single-cell RNA sequencing analysis needs extensive knowledge of experimental technologies and bioinformatics, making it difficult for many, particularly experimental biologists and clinicians, to use it. Methods Aiming to make single-cell RNA sequencing analysis familiar, this review article presents an overview of experimental and computational methods for single-cell RNA sequencing analysis with a history of transcriptomics. In addition, combining the PubMed search and manual curation, this review also provides a summary of recent novel insights into human and mouse spermatogenesis obtained using single-cell RNA sequencing analyses. Main Findings Single-cell RNA sequencing identified mesenchymal cells and type II innate lymphoid cells as novel testicular cell types in the adult mouse testes, as well as detailed subtypes of germ cells. This review outlines recent discoveries into germ cell development and subtypes, somatic cell development, and cell-cell interactions. Conclusion The findings on spermatogenesis obtained using single-cell RNA sequencing may contribute to a deeper understanding of spermatogenesis and provide new directions for male fertility therapy.
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Affiliation(s)
- Takahiro Suzuki
- RIKEN Center for Integrated Medical Science (IMS)Yokohama CityKanagawaJapan
- Graduate School of Medical Life ScienceYokohama City UniversityYokohama CityKanagawaJapan
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4
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Shen Z, Chen M, Gao Y, Dong F, Cen C, Wu H, Wang N, Cui X, Han C, Gao F. The function of Foxo1 in spermatogonia development is independent of PI3K/PTEN signaling. FASEB J 2022; 36:e22522. [PMID: 36052752 DOI: 10.1096/fj.202200640rr] [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: 04/28/2022] [Revised: 08/01/2022] [Accepted: 08/15/2022] [Indexed: 11/11/2022]
Abstract
Spermatogenesis is a highly coordinated process that initiates shortly after birth and continues throughout the lifespan of male animals. Foxo1 is a transcription factor and is involved in many biological processes. It has been reported that the inactivation of Foxo1 in gonocytes during the embryonic stage causes the defects of spermatogenesis. In the present study, we found that the inactivation of Foxo1 in spermatogonia after birth also caused germ cell loss and male infertility. We found that the initiation of meiosis was not affected; however, the germ cell development was arrested after meiosis and lack of mature spermatozoa in the cauda epididymis. We also found that the proliferation of Foxo1-deficient spermatogonia stem cells was significantly reduced under in vitro conditions. Further study revealed that inactivation of Pten in postnatal spermatogonia using Stra8-Cre did not affect germ cell development and the subcellular location of FOXO1 in Pten-deficient spermatogonia. This study demonstrated that Foxo1 was involved in the development of spermatogonia after birth and the function of Foxo1 was probably not regulated by PI3K/PTEN signaling.
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Affiliation(s)
- Zhiming Shen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Min Chen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Yang Gao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Fangfang Dong
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Changhuo Cen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Haowei Wu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Nan Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Xiuhong Cui
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Chunsheng Han
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Fei Gao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
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5
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Voigt AL, Dardari R, Su L, Lara NLM, Sinha S, Jaffer A, Munyoki SK, Alpaugh W, Dufour A, Biernaskie J, Orwig KE, Dobrinski I. Metabolic transitions define spermatogonial stem cell maturation. Hum Reprod 2022; 37:2095-2112. [PMID: 35856882 PMCID: PMC9614685 DOI: 10.1093/humrep/deac157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/23/2022] [Indexed: 11/13/2022] Open
Abstract
STUDY QUESTION Do spermatogonia, including spermatogonial stem cells (SSCs), undergo metabolic changes during prepubertal development? SUMMARY ANSWER Here, we show that the metabolic phenotype of prepubertal human spermatogonia is distinct from that of adult spermatogonia and that SSC development is characterized by distinct metabolic transitions from oxidative phosphorylation (OXPHOS) to anaerobic metabolism. WHAT IS KNOWN ALREADY Maintenance of both mouse and human adult SSCs relies on glycolysis, while embryonic SSC precursors, primordial germ cells (PGCs), exhibit an elevated dependence on OXPHOS. Neonatal porcine SSC precursors reportedly initiate a transition to an adult SSC metabolic phenotype at 2 months of development. However, when and if such a metabolic transition occurs in humans is ambiguous. STUDY DESIGN, SIZE, DURATION To address our research questions: (i) we performed a meta-analysis of publicly available and newly generated (current study) single-cell RNA sequencing (scRNA-Seq) datasets in order to establish a roadmap of SSC metabolic development from embryonic stages (embryonic week 6) to adulthood in humans (25 years of age) with a total of ten groups; (ii) in parallel, we analyzed single-cell RNA sequencing datasets of isolated pup (n = 3) and adult (n = 2) murine spermatogonia to determine whether a similar metabolic switch occurs; and (iii) we characterized the mechanisms that regulate these metabolic transitions during SSC maturation by conducting quantitative proteomic analysis using two different ages of prepubertal pig spermatogonia as a model, each with four independently collected cell populations. PARTICIPANTS/MATERIALS, SETTING, METHODS Single testicular cells collected from 1-year, 2-year and 7-year-old human males and sorted spermatogonia isolated from 6- to 8-day (n = 3) and 4-month (n = 2) old mice were subjected to scRNA-Seq. The human sequences were individually processed and then merged with the publicly available datasets for a meta-analysis using Seurat V4 package. We then performed a pairwise differential gene expression analysis between groups of age, followed by pathways enrichment analysis using gene set enrichment analysis (cutoff of false discovery rate < 0.05). The sequences from mice were subjected to a similar workflow as described for humans. Early (1-week-old) and late (8-week-old) prepubertal pig spermatogonia were analyzed to reveal underlying cellular mechanisms of the metabolic shift using immunohistochemistry, western blot, qRT-PCR, quantitative proteomics, and culture experiments. MAIN RESULTS AND THE ROLE OF CHANCE Human PGCs and prepubertal human spermatogonia show an enrichment of OXPHOS-associated genes, which is downregulated at the onset of puberty (P < 0.0001). Furthermore, we demonstrate that similar metabolic changes between pup and adult spermatogonia are detectable in the mouse (P < 0.0001). In humans, the metabolic transition at puberty is also preceded by a drastic change in SSC shape at 11 years of age (P < 0.0001). Using a pig model, we reveal that this metabolic shift could be regulated by an insulin growth factor-1 dependent signaling pathway via mammalian target of rapamycin and proteasome inhibition. LARGE SCALE DATA New single-cell RNA sequencing datasets obtained from this study are freely available through NCBI GEO with accession number GSE196819. LIMITATIONS, REASONS FOR CAUTION Human prepubertal tissue samples are scarce, which led to the investigation of a low number of samples per age. Gene enrichment analysis gives only an indication about the functional state of the cells. Due to limited numbers of prepubertal human spermatogonia, porcine spermatogonia were used for further proteomic and in vitro analyses. WIDER IMPLICATIONS OF THE FINDINGS We show that prepubertal human spermatogonia exhibit high OXHPOS and switch to an adult-like metabolism only after 11 years of age. Prepubescent cancer survivors often suffer from infertility in adulthood. SSC transplantation could provide a powerful tool for the treatment of infertility; however, it requires high cell numbers. This work provides key insight into the dynamic metabolic requirements of human SSCs across development that would be critical in establishing ex vivo systems to support expansion and sustained function of SSCs toward clinical use. STUDY FUNDING/COMPETING INTEREST(S) This work was funded by the NIH/NICHD R01 HD091068 and NIH/ORIP R01 OD016575 to I.D. K.E.O. was supported by R01 HD100197. S.K.M. was supported by T32 HD087194 and F31 HD101323. The authors declare no conflict of interest.
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Affiliation(s)
- A L Voigt
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - R Dardari
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - L Su
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - N L M Lara
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - S Sinha
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - A Jaffer
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - S K Munyoki
- Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - W Alpaugh
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - A Dufour
- Department of Physiology and Pharmacology, University of Calgary, Calgary, AB, Canada
| | - J Biernaskie
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - K E Orwig
- Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - I Dobrinski
- Department of Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
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6
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Li P, Tang J, Yu Z, Jin C, Wang Z, Li M, Zou D, Mang X, Liu J, Lu Y, Miao S, Wang L, Li K, Song W. CHD4 acts as a critical regulator in the survival of spermatogonial stem cells in mice. Biol Reprod 2022; 107:1331-1344. [PMID: 35980806 DOI: 10.1093/biolre/ioac162] [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: 02/17/2022] [Revised: 06/18/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
Spermatogenesis is sustained by homeostatic balance between the self-renewal and differentiation of spermatogonial stem cells (SSCs), which is dependent on the strict regulation of transcription factor and chromatin modulator gene expression. Chromodomain helicase DNA-binding protein 4 (CHD4) is highly expressed in SSCs but roles in mouse spermatogenesis are not fully understood. Here, we report that the germ-cell-specific deletion of Chd4 resulted in complete infertility in male mice, with rapid loss of SSCs and excessive germ cell apoptosis. Chd4-knockdown in cultured SSCs also promoted the expression of apoptosis-related genes and thereby activated the tumor necrosis factor signaling pathway. Mechanistically, CHD4 occupies the genomic regulatory region of key apoptosis-related genes including Jun and Nfkb1. Together, our findings reveal the determinant role of CHD4 in SSCs survival in vivo, which will offer insight into the pathogenesis of male sterility and potential novel therapeutic targets.
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Affiliation(s)
- Pengyu Li
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Jielin Tang
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Zhixin Yu
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Cheng Jin
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Zhipeng Wang
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Mengzhen Li
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Dingfeng Zou
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Xinyu Mang
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Jun Liu
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Yan Lu
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Shiying Miao
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Linfang Wang
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Kai Li
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
| | - Wei Song
- Department of Biochemistry and Molecular Biology, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College; Beijing 100005, China
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7
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Ren F, Xi H, Qiao P, Li Y, Xian M, Zhu D, Hu J. Single-cell transcriptomics reveals male germ cells and Sertoli cells developmental patterns in dairy goats. Front Cell Dev Biol 2022; 10:944325. [PMID: 35938151 PMCID: PMC9355508 DOI: 10.3389/fcell.2022.944325] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
Spermatogenesis holds considerable promise for human-assisted reproduction and livestock breeding based on stem cells. It occurs in seminiferous tubules within the testis, which mainly comprise male germ cells and Sertoli cells. While the developmental progression of male germ cells and Sertoli cells has been widely reported in mice, much less is known in other large animal species, including dairy goats. In this study, we present the data of single cell RNA sequencing (scRNA-seq) for 25,373 cells from 45 (pre-puberty), 90 (puberty), and 180-day-old (post-puberty) dairy goat testes. We aimed to identify genes that are associated with key developmental events in male germ cells and Sertoli cells. We examined the development of spermatogenic cells and seminiferous tubules from 15, 30, 45, 60, 75, 90, 180, and 240-day-old buck goat testes. scRNA-seq clustering analysis of testicular cells from pre-puberty, puberty, and post-puberty goat testes revealed several cell types, including cell populations with characteristics of spermatogonia, early spermatocytes, spermatocytes, spermatids, Sertoli cells, Leydig cells, macrophages, and endothelial cells. We mapped the timeline for male germ cells development from spermatogonia to spermatids and identified gene signatures that define spermatogenic cell populations, such as AMH, SOHLH1, INHA, and ACTA2. Importantly, using immunofluorescence staining for different marker proteins (UCHL1, C-KIT, VASA, SOX9, AMH, and PCNA), we explored the proliferative activity and development of male germ cells and Sertoli cells. Moreover, we identified the expression patterns of potential key genes associated with the niche-related key pathways in male germ cells of dairy goats, including testosterone, retinoic acid, PDGF, FGF, and WNT pathways. In summary, our study systematically investigated the elaborate male germ cells and Sertoli cells developmental patterns in dairy goats that have so far remained largely unknown. This information represents a valuable resource for the establishment of goat male reproductive stem cells lines, induction of germ cell differentiation in vitro, and the exploration of sequential cell fate transition for spermatogenesis and testicular development at single-cell resolution.
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Affiliation(s)
- Fa Ren
- Department of Reproductive Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Huaming Xi
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Pengyun Qiao
- Department of Reproductive Medicine, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Yu Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Ming Xian
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Dawei Zhu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jianhong Hu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
- *Correspondence: Jianhong Hu,
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8
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Chen KQ, Wei BH, Hao SL, Yang WX. The PI3K/AKT signaling pathway: How does it regulate development of Sertoli cells and spermatogenic cells? Histol Histopathol 2022; 37:621-636. [PMID: 35388905 DOI: 10.14670/hh-18-457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The PI3K/AKT signaling pathway is one of the most crucial regulatory mechanisms in animal cells, which can mainly regulate proliferation, survival and anti-apoptosis in cell lines. In the seminiferous epithelium, most studies were concentrated on the role of PI3K/AKT signaling in immature Sertoli cells (SCs) and spermatogonia stem cells (SSCs). PI3K/AKT signaling can facilitate the proliferation and anti-apoptosis of immature Sertoli cells and spermatogenic cells. Besides, in mature Sertoli cells, this pathway can disintegrate the structure of the blood-testis barrier (BTB) via regulatory protein synthesis and the cytoskeleton of Sertoli cells. All of these effects can directly and indirectly maintain and promote spermatogenesis in male testis.
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Affiliation(s)
- Kuang-Qi Chen
- Department of Ophthalmology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Bang-Hong Wei
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Shuang-Li Hao
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Wan-Xi Yang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China.
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9
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Subventricular zone adult mouse neural stem cells require insulin receptor for self-renewal. Stem Cell Reports 2022; 17:1411-1427. [PMID: 35523180 PMCID: PMC9213826 DOI: 10.1016/j.stemcr.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/25/2022] Open
Abstract
The insulin receptor (INSR) is an evolutionarily conserved signaling protein that regulates development and cellular metabolism. INSR signaling promotes neurogenesis in Drosophila; however, a specific role for the INSR in maintaining adult neural stem cells (NSCs) in mammals has not been investigated. We show that conditionally deleting the Insr gene in adult mouse NSCs reduces subventricular zone NSCs by ∼70% accompanied by a corresponding increase in progenitors. Insr deletion also produced hyposmia caused by aberrant olfactory bulb neurogenesis. Interestingly, hippocampal neurogenesis and hippocampal-dependent behaviors were unperturbed. Highly aggressive proneural and mesenchymal glioblastomas had high INSR/insulin-like growth factor (IGF) pathway gene expression, and isolated glioma stem cells had an aberrantly high ratio of INSR:IGF type 1 receptor. Moreover, INSR knockdown inhibited GBM tumorsphere growth. Altogether, these data demonstrate that the INSR is essential for a subset of normal NSCs, as well as for brain tumor stem cell self-renewal. Insulin receptor (INSR) is essential for adult SVZ neural stem cell self-renewal INSR deletion causes hyposmia with increased olfactory bulb neurogenesis Hippocampal stem cells (and associated behaviors) do not require INSR Glioblastomas overexpress INSR pathway components required for tumorsphere growth
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10
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Song J, Hao L, Zeng X, Yang R, Qiao S, Wang C, Yu H, Wang S, Jiao Y, Jia H, Liu S, Zhang Y. A Novel miRNA Y-56 Targeting IGF-1R Mediates the Proliferation of Porcine Skeletal Muscle Satellite Cells Through AKT and ERK Pathways. Front Vet Sci 2022; 9:754435. [PMID: 35372530 PMCID: PMC8968951 DOI: 10.3389/fvets.2022.754435] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 02/07/2022] [Indexed: 11/13/2022] Open
Abstract
As a key regulator of gene transcription and post-transcriptional modification, miRNAs play a wide range of roles in skeletal muscle development. Skeletal muscle satellite cells contribute to postnatal growing muscle fibers. Thus, the goal of this study was to explore the effects of novel miRNA Y-56 on porcine skeletal muscle satellite cells (PSCs). We found that Y-56 was highly expressed in porcine muscle tissues, and its expression was higher in Bama Xiang pigs than in Landrace pigs. The EdU assay, cell counting kit-8, and flow cytometry results showed that Y-56 overexpression suppressed cell proliferation and cell cycle, whereas Y-56 inhibition resulted in the opposite consequences. The results of qRT-PCR and Western blot showed that Y-56 remarkably inhibited the expression levels of cyclin-dependent kinase 4 (CDK4), proliferating cell nuclear antigen (PCNA), and cyclin D1. We identified that IGF-1R was a direct target of Y-56 by dual-luciferase reporter assay. Moreover, IGF-1R overexpression promoted the proliferation and cell cycle process of PSCs and upregulated the expression of CDK4, PCNA, and cyclin D1. Conversely, IGF-1R knockdown had the opposite effect. Furthermore, IGF-1R overexpression partially reversed the inhibition of the cell proliferation and cell cycle process of PSCs and the downregulation of the expression of CDK4, PCNA, and Cyclin D1 caused by Y-56 overexpression. Finally, Y-56 inhibited the protein expression levels of p-AKT and p-ERK. Collectively, our findings suggested that Y-56 represses the proliferation and cell cycle process of PSCs by targeting IGF-1R-mediated AKT and ERK pathways.
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Affiliation(s)
- Jie Song
- College of Animal Science, Jilin University, Changchun, China
| | - Linlin Hao
- College of Animal Science, Jilin University, Changchun, China
| | - Xiangfang Zeng
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Rui Yang
- College of Animal Science, Jilin University, Changchun, China
| | - Shiyan Qiao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chunli Wang
- College of Animal Science, Jilin University, Changchun, China
| | - Hao Yu
- College of Animal Science, Jilin University, Changchun, China
| | - Siyao Wang
- College of Animal Science, Jilin University, Changchun, China
| | - Yingying Jiao
- College of Animal Science, Jilin University, Changchun, China
| | - Hongyao Jia
- Department of Breast Surgery, The First Hospital of Jilin University, Jilin, China
| | - Songcai Liu
- College of Animal Science, Jilin University, Changchun, China
- *Correspondence: Songcai Liu
| | - Ying Zhang
- College of Animal Science, Jilin University, Changchun, China
- Ying Zhang
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11
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Kitadate Y, Yoshida S. Regulation of spermatogenic stem cell homeostasis by mitogen competition in an open niche microenvironment. Gene 2022; 97:15-25. [DOI: 10.1266/ggs.21-00062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Yu Kitadate
- Division of Germ Cell Biology, National Institute for Basic Biology, National Institutes of Natural Sciences
| | - Shosei Yoshida
- Division of Germ Cell Biology, National Institute for Basic Biology, National Institutes of Natural Sciences
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12
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Chen J, Gao C, Lin X, Ning Y, He W, Zheng C, Zhang D, Yan L, Jiang B, Zhao Y, Hossen MA, Han C. The microRNA miR-202 prevents precocious spermatogonial differentiation and meiotic initiation during mouse spermatogenesis. Development 2021; 148:273742. [PMID: 34913465 DOI: 10.1242/dev.199799] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 11/08/2021] [Indexed: 12/17/2022]
Abstract
Spermatogonial differentiation and meiotic initiation during spermatogenesis are tightly regulated by a number of genes, including those encoding enzymes for miRNA biogenesis. However, whether and how single miRNAs regulate these processes remain unclear. Here, we report that miR-202, a member of the let-7 family, prevents precocious spermatogonial differentiation and meiotic initiation in spermatogenesis by regulating the timely expression of many genes, including those for key regulators such as STRA8 and DMRT6. In miR-202 knockout (KO) mice, the undifferentiated spermatogonial pool is reduced, accompanied by age-dependent decline of fertility. In KO mice, SYCP3, STRA8 and DMRT6 are expressed earlier than in wild-type littermates, and Dmrt6 mRNA is a direct target of miR-202-5p. Moreover, the precocious spermatogonial differentiation and meiotic initiation were also observed in KO spermatogonial stem cells when cultured and induced in vitro, and could be partially rescued by the knockdown of Dmrt6. Therefore, we have not only shown that miR-202 is a regulator of meiotic initiation but also identified a previously unknown module in the underlying regulatory network.
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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
| | - Chenxu Gao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiwen Lin
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yan Ning
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei He
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chunwei Zheng
- 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
| | - Lin Yan
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601 Anhui, China
| | - Binjie Jiang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yuting Zhao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Md Alim Hossen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chunsheng Han
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
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13
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A novel posttranslational modification of histone, H3 S-sulfhydration, is down-regulated in asthenozoospermic sperm. J Assist Reprod Genet 2021; 38:3175-3193. [PMID: 34664184 PMCID: PMC8666411 DOI: 10.1007/s10815-021-02314-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/07/2021] [Indexed: 11/14/2022] Open
Abstract
Oxidative stress is one of the major causes leading to male infertility including asthenozoospermia. Hydrogen sulfide (H2S) has been widely recognized to be a potent antioxidant whose role is partially implemented by protein S-sulfhydration. However, protein S-sulfhydration has not been reported in germ cells. Therefore, we investigated whether asthenozoospermia could be associated with sperm protein S-sulfhydration. S-sulfhydrated proteins in human sperm were enriched via biotin-switch assay and analyzed using LC-MS/MS spectrometry. Two hundred forty-four S-sulfhydrated proteins were identified. Importantly, we validated that sperm histones H3.1 and H3.3 were the S-sulfhydrated proteins. Their S-sulfhydrated amino acid residue was Cysteine111. Abundances of S-sulfhydrated H3 (sH3) and S-sulfhydrated H3.3 (sH3.3) were significantly down-regulated in asthenozoospermic sperm, compared with the fertile controls, and were significantly correlated with progressive motility. Retinoic acid (RA) up-regulated level of sH3.3 in primary round spermatids and the C18-4 cells (a mouse spermatogonial stem cell line). Overexpression of the mutant H3.3 (Cysteine111 was replaced with serine) affected expression of 759 genes and raised growth rate of C18-4 cells. For the first time, S-sulfhydration H3 and H3.3 were demonstrated in the present study. Our results highlight that aberrant S-sulfhydration of H3 is a new pathophysiological basis in male infertility.
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14
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Binsila B, Selvaraju S, Ranjithkumaran R, Archana SS, Krishnappa B, Ghosh SK, Kumar H, Subbarao RB, Arangasamy A, Bhatta R. Current scenario and challenges ahead in application of spermatogonial stem cell technology in livestock. J Assist Reprod Genet 2021; 38:3155-3173. [PMID: 34661801 DOI: 10.1007/s10815-021-02334-7] [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: 01/06/2021] [Accepted: 09/27/2021] [Indexed: 11/28/2022] Open
Abstract
PURPOSE Spermatogonial stem cells (SSCs) are the source for the mature male gamete. SSC technology in humans is mainly focusing on preserving fertility in cancer patients. Whereas in livestock, it is used for mining the factors associated with male fertility. The review discusses the present status of SSC biology, methodologies developed for in vitro culture, and challenges ahead in establishing SSC technology for the propagation of superior germplasm with special reference to livestock. METHOD Published literatures from PubMed and Google Scholar on topics of SSCs isolation, purification, characterization, short and long-term culture of SSCs, stemness maintenance, epigenetic modifications of SSCs, growth factors, and SSC cryopreservation and transplantation were used for the study. RESULT The fine-tuning of SSC isolation and culture conditions with special reference to feeder cells, growth factors, and additives need to be refined for livestock. An insight into the molecular mechanisms involved in maintaining stemness and proliferation of SSCs could facilitate the dissemination of superior germplasm through transplantation and transgenesis. The epigenetic influence on the composition and expression of the biomolecules during in vitro differentiation of cultured cells is essential for sustaining fertility. The development of surrogate males through gene-editing will be historic achievement for the foothold of the SSCs technology. CONCLUSION Detailed studies on the species-specific factors regulating the stemness and differentiation of the SSCs are required for the development of a long-term culture system and in vitro spermatogenesis in livestock. Epigenetic changes in the SSCs during in vitro culture have to be elucidated for the successful application of SSCs for improving the productivity of the animals.
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Affiliation(s)
- Balakrishnan Binsila
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India.
| | - Sellappan Selvaraju
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - Rajan Ranjithkumaran
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - Santhanahalli Siddalingappa Archana
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - Balaganur Krishnappa
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - Subrata Kumar Ghosh
- Animal Reproduction Division, Indian Council of Agricultural Research-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Harendra Kumar
- Animal Reproduction Division, Indian Council of Agricultural Research-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - Raghavendra B Subbarao
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - Arunachalam Arangasamy
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - Raghavendra Bhatta
- Indian council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
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15
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Ji C, Wang Y, Wei X, Zhang X, Cong R, Yao L, Qin C, Song N. Potential of testis-derived circular RNAs in seminal plasma to predict the outcome of microdissection testicular sperm extraction in patients with idiopathic non-obstructive azoospermia. Hum Reprod 2021; 36:2649-2660. [PMID: 34477868 DOI: 10.1093/humrep/deab196] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 07/27/2021] [Indexed: 12/13/2022] Open
Abstract
STUDY QUESTION Do testis-derived circular RNAs (circRNAs) in seminal plasma have potential as biomarkers to predict the outcome of microdissection testicular sperm extraction (micro-TESE) in patients with idiopathic non-obstructive azoospermia (NOA)? SUMMARY ANSWER Testis-derived circRNAs in the seminal plasma can indeed be used for predicting the outcome of micro-TESE in patients with idiopathic NOA. WHAT IS KNOWN ALREADY Micro-TESE is an effective method to obtain sperm samples from patients with idiopathic NOA. However, its success rate is only 40-50% in such patients. STUDY DESIGN, SIZE, DURATION Six idiopathic NOA patients with different micro-TESE results were included as the discovery cohort. Their testicular tissues were used for extracting and sequencing circRNAs. Five circRNAs with the most significantly different expression levels were selected for further verification. PARTICIPANTS/MATERIALS, SETTING, METHODS Fifty-two patients with idiopathic NOA were included as the validation cohort. Preoperative seminal plasma samples of 52 patients with idiopathic NOA and 25 intraoperative testicular tissues were collected and divided into 'success' and 'failure' groups according to the results of micro-TESE. Quantitative real-time polymerase chain reaction was performed to verify differences in the expression levels of the selected circRNAs between the two groups in the testicular tissues and seminal plasma. MAIN RESULTS AND THE ROLE OF CHANCE Whether at the seminal plasma or testicular tissue level, the differences in the expression levels of the three circRNAs (hsa_circ_0000277, hsa_circ_0060394 and hsa_circ_0007773) between the success and failure groups were consistent with the sequencing results. A diagnostic receiver operating curve (ROC) analysis of the AUC indicated excellent diagnostic performance of these circRNAs in seminal plasma in predicting the outcome of micro-TESE (AUC values: 0.920, 0.928 and 0.891, respectively). On the basis of least absolute shrinkage and selection operator (LASSO) logistic regression, the three circRNAs were combined to construct a new prediction model. The diagnostic ROC curve analysis of the model showed an AUC value of 0.958. The expression levels of these circRNAs in seminal plasma using three normospermic volunteer samples remained stable after 48 h at room temperature. LARGE SCALE DATA NA. LIMITATIONS, REASONS FOR CAUTION This was a single-center retrospective study with relatively few cases. The functions of these circRNAs, as well as their relationship with spermatogenesis, have not yet been established. WIDER IMPLICATIONS OF THE FINDINGS Testis-derived circRNAs in seminal plasma can reflect the microenvironment of the testis and can be used as reliable biomarkers to screen patients with idiopathic NOA who might be suitable for micro-TESE. STUDY FUNDING/COMPETING INTEREST(S) This article was funded by the National Natural Science Foundation of China (Grant no. 81871151). There were no competing interests.
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Affiliation(s)
- Chengjian Ji
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Yichun Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xiyi Wei
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xingyu Zhang
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing, China
| | - Rong Cong
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Liangyu Yao
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Chao Qin
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Ninghong Song
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.,Department of Urology, The Affiliated Kezhou People's Hospital of Nanjing Medical University, Xinjiang, China
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16
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Dong F, Chen M, Chen M, Jiang L, Shen Z, Ma L, Han C, Guo X, Gao F. PRMT5 Is Involved in Spermatogonial Stem Cells Maintenance by Regulating Plzf Expression via Modulation of Lysine Histone Modifications. Front Cell Dev Biol 2021; 9:673258. [PMID: 34113620 PMCID: PMC8185031 DOI: 10.3389/fcell.2021.673258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 04/26/2021] [Indexed: 01/02/2023] Open
Abstract
Protein arginine methyltransferase 5 (PRMT5) catalyzes the formation of mono- or symmetric dimethylarginine residues on histones and non-histone substrates and has been demonstrated to play important roles in many biological processes. In the present study, we observed that PRMT5 is abundantly expressed in spermatogonial stem cells (SSCs) and that Prmt5 deletion results in a progressive loss of SSCs and male infertility. The proliferation of Prmt5-deficient SSCs cultured in vitro exhibited abnormal proliferation, cell cycle arrest in G0/G1 phase and a significant increase in apoptosis. Furthermore, PLZF expression was dramatically reduced in Prmt5-deficient SSCs, and the levels of H3K9me2 and H3K27me2 were increased in the proximal promoter region of the Plzf gene in Prmt5-deficient SSCs. Further study revealed that the expression of lysine demethylases (JMJD1A, JMJD1B, JMJD1C, and KDM6B) was significantly reduced in Prmt5-deficient SSCs and that the level of permissive arginine methylation H3R2me2s was significantly decreased at the upstream promoter region of these genes in Prmt5-deficient SSCs. Our results demonstrate that PRMT5 regulates spermatogonial stem cell development by modulating histone H3 lysine modifications.
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Affiliation(s)
- Fangfang Dong
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Min Chen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Min Chen
- Guangdong and Shenzhen Key Laboratory of Male Reproductive Medicine and Genetics, Institute of Urology, Peking University Shenzhen Hospital, Shenzhen Peking University-Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Lin Jiang
- School of Basic Medical Sciences, Zunyi Medical University, Zunyi, China
| | - Zhiming Shen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Longfei Ma
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Chunsheng Han
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Xudong Guo
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, Inner Mongolia University, Hohhot, China
| | - Fei Gao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
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17
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Li C, Cheng D, Xu P, Nie H, Zhang T, Pang X. POSTN Promotes the Proliferation of Spermatogonial Cells by Activating the Wnt/β-Catenin Signaling Pathway. Reprod Sci 2021; 28:2906-2915. [PMID: 33959891 DOI: 10.1007/s43032-021-00596-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 04/22/2021] [Indexed: 11/26/2022]
Abstract
The self-renewal of spermatogonial cells (SCs) provides the foundation for life-long spermatogenesis. To date, only a few growth factors have been used for the culture of SCs in vitro, and how to enhance proliferation capacity of SCs in vitro needs further research. This study aimed to explore the effects of periostin (POSTN) on the proliferation of human SCs. GC-1 spg cells were cultured in a medium with POSTN, cell proliferation was evaluated by MTS analysis and EdU assay, and the Wnt/β-catenin signaling pathway was examined. Thereafter, the proliferations of human SC were detected using immunofluorescence and RT-PCR. In this study, we found that CM secreted by human amniotic mesenchymal stem cells (hAMSCs) could enhance the proliferation capacity of mouse GC-1 spg cells. Label-free mass spectrometry and ELISA analysis demonstrated that high level of POSTN was secreted by hAMSCs. MTS and EdU staining showed that POSTN increased GC-1 spg cell proliferation, whereas CM from POSTN-silenced hAMSCs suppressed cell proliferation capacity. Then POSTN was found to activate the Wnt/β-catenin signaling pathway to regulate the proliferation of GC-1 spg cells. XAV-939, a Wnt/β-catenin inhibitor, partially reversed the effects of POSTN on GC-1 spg cell proliferation. We then analyzed human SCs and found that POSTN promoted human SC proliferation in vitro. These findings provide insights regarding the role of POSTN in regulating SC proliferation via the Wnt/β-catenin signaling pathway and suggest that POSTN may serve as a cytokine for male infertility therapy.
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Affiliation(s)
- Caihong Li
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang, 110013, Liaoning, China
- Center for Reproductive Medicine, Assisted Reproductive Technology Laboratory, Shenyang Jinghua Hospital, Shenyang, 110005, Liaoning, China
| | - Dongkai Cheng
- Center for Reproductive Medicine, Assisted Reproductive Technology Laboratory, Shenyang Jinghua Hospital, Shenyang, 110005, Liaoning, China
| | - Peng Xu
- Center for Reproductive Medicine, Assisted Reproductive Technology Laboratory, Shenyang Jinghua Hospital, Shenyang, 110005, Liaoning, China
| | - Hongguang Nie
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang, 110013, Liaoning, China
| | - Tao Zhang
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang, 110013, Liaoning, China.
| | - Xining Pang
- Department of Stem Cells and Regenerative Medicine, Shenyang Key Laboratory of Stem Cell and Regenerative Medicine, China Medical University, Shenyang, 110013, Liaoning, China.
- Shenyang Amnion Bioengineering and Technology R & D Center, Shenyang Liaoning Amnion Stem Cell and Regenerative Medicine Professional Technology Innovation Platform, Liaoning Human Amniotic Membrane Biological Dressing Stem Cell and Regenerative Medicine Engineering Research Center, Shenyang, 110015, Liaoning, China.
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18
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Becker C, Lust K, Wittbrodt J. Igf signaling couples retina growth with body growth by modulating progenitor cell division. Development 2021; 148:dev.199133. [PMID: 33722901 PMCID: PMC8077508 DOI: 10.1242/dev.199133] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 03/04/2021] [Indexed: 12/19/2022]
Abstract
How the body and organs balance their relative growth is of key importance for coordinating size and function. This is of particular relevance in organisms, which continue to grow over their entire life span. We addressed this issue in the neuroretina of medaka fish (Oryzias latipes), a well-studied system with which to address vertebrate organ growth. We reveal that a central growth regulator, Igf1 receptor (Igf1r), is necessary and sufficient for proliferation control in the postembryonic retinal stem cell niche: the ciliary marginal zone (CMZ). Targeted activation of Igf1r signaling in the CMZ uncouples neuroretina growth from body size control, and we demonstrate that Igf1r operates on progenitor cells, stimulating their proliferation. Activation of Igf1r signaling increases retinal size while preserving its structural integrity, revealing a modular organization in which progenitor differentiation and neurogenesis are self-organized and highly regulated. Our findings position Igf signaling as a key module for controlling retinal size and composition, with important evolutionary implications. Highlighted Article: Targeted activation of Igf1r signaling in the retinal stem cell niche increases retina size through expanding the progenitor but not stem cell population.
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Affiliation(s)
- Clara Becker
- Centre for Organismal Studies, Heidelberg University, Heidelberg 69120, Germany.,Heidelberg Biosciences International Graduate School, Heidelberg 69120, Germany
| | - Katharina Lust
- Centre for Organismal Studies, Heidelberg University, Heidelberg 69120, Germany
| | - Joachim Wittbrodt
- Centre for Organismal Studies, Heidelberg University, Heidelberg 69120, Germany
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19
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Suzuki S, McCarrey JR, Hermann BP. An mTORC1-dependent switch orchestrates the transition between mouse spermatogonial stem cells and clones of progenitor spermatogonia. Cell Rep 2021; 34:108752. [PMID: 33596419 PMCID: PMC7980622 DOI: 10.1016/j.celrep.2021.108752] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/06/2020] [Accepted: 01/25/2021] [Indexed: 12/22/2022] Open
Abstract
Spermatogonial stem cells (SSCs) sustain spermatogenesis by balancing self-renewal and initiation of differentiation to produce progenitor spermatogonia committed to forming sperm. To define the regulatory logic among SSCs and progenitors, we performed single-cell RNA velocity analyses and validated results in vivo. A predominant quiescent SSC population spawns a small subset of cell-cycle-activated SSCs via mitogen-activated protein kinase (MAPK)/AKT signaling. Activated SSCs form early progenitors and mTORC1 inhibition drives activated SSC accumulation consistent with blockade to progenitor formation. Mechanistically, mTORC1 inhibition suppresses transcription among spermatogonia and specifically alters expression of insulin growth factor (IGF) signaling in early progenitors. Tex14−/− testes lacking intercellular bridges do not accumulate activated SSCs following mTORC1 inhibition, indicating that steady-state mTORC1 signaling drives activated SSCs to produce progenitor clones. These results are consistent with a model of SSC self-renewal dependent on interconversion between activated and quiescent SSCs, and mTORC1-dependent initiation of differentiation from SSCs to progenitor clones. Suzuki et al. define relationships between subsets of adult mouse SSCs and progenitor spermatogonia using single-cell RNA velocity analyses and in vivo validations. Quiescent SCCs convert to cell-cycle-activated SCCs via MAPK/AKT signaling. Activated SCCs are driven to become early progenitor clones ready to initiate differentiation through mTORC1 signaling.
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Affiliation(s)
- Shinnosuke Suzuki
- Department of Biology, University of Texas at San Antonio, San Antonio, TX 78249, USA
| | - John R McCarrey
- Department of Biology, University of Texas at San Antonio, San Antonio, TX 78249, USA
| | - Brian P Hermann
- Department of Biology, University of Texas at San Antonio, San Antonio, TX 78249, USA.
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20
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Yang G, He Y, Yang H. The involvement of bioactive factors in the self-renewal and stemness maintenance of spermatogonial stem cells. Mol Cell Biochem 2021; 476:1813-1823. [PMID: 33459979 DOI: 10.1007/s11010-020-04028-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/22/2020] [Indexed: 12/22/2022]
Abstract
Spermatogenesis is usually accompanied throughout mammalian lifetime, transmitting genetic information to the next generation, which is mainly dependent on the self-renewal and differentiation of spermatogonial stem cells (SSCs). With further investigation on profiles of SSCs, the previous prevailing orthodoxy that SSCs are unipotent stem cells to differentiate into spermatids only, has been challenged. More notably, accumulating evidence has demonstrated that SSCs are capable of giving rise to cell lineages of the three germ layers, highlighting potential important applications of SSCs for regenerative medicine. Nevertheless, it is unknown how the proliferation and stemness maintenance of SSCs are regulated intrinsically and strictly controlled in a special niche microenvironment in the seminiferous tubules. Based on the special niche microenvironment for SSCs, it is of vital interest to summarize the recent knowledge regarding several critical bioactive molecules in the self-renewal and stemness maintenance of SSCs. In this review, we discuss most recent findings about these critical bioactive factors and further address the new advances on the self-renewal and stemness maintenance of SSCs.
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Affiliation(s)
- Guoqing Yang
- Department of Anesthesiology, The Second Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, 712000, Shaanxi, China
| | - Yuqing He
- School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Hao Yang
- Department of Anesthesiology, The Second Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, 712000, Shaanxi, China. .,School of Basic Medicine, Ningxia Medical University, Yinchuan, 750004, China. .,Translational Medicine Center, Hong Hui Hospital, Xi'an Jiaotong University, Xi'an, 710054, China.
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21
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Bashir NZ. The role of insulin-like growth factors in modulating the activity of dental mesenchymal stem cells. Arch Oral Biol 2020; 122:104993. [PMID: 33259987 DOI: 10.1016/j.archoralbio.2020.104993] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/14/2020] [Accepted: 11/19/2020] [Indexed: 12/27/2022]
Abstract
Regenerative treatment protocols are an exciting prospect in the management of oral pathology, as they allow for tissues to be restored to their original form and function, as compared to the reparative healing mechanisms which currently govern the outcomes of the majority of dental treatment. Stem cell therapy presents with a great deal of untapped potential in this pursuit of tissue regeneration, and, in particular, mesenchymal stem cells (MSCs) derived from dental tissues are of specific relevance with regards to their applications in engineering craniofacial tissues. A number of mediatory factors are involved in modulating the actions of dental MSCs, and, of these, insulin like growth factors (IGFs) are known to have potent effects in governing the behavior of these cells. The IGF family comprises a number of primary ligands, receptors, and binding proteins which are known to modulate the key properties of dental MSCs, such as their proliferation rates, differentiation potential, and mineralisation. The aims of this review are three-fold: (i) to present an overview of dental MSCs and the role of growth factors in modulating their characteristics, (ii) to discuss in greater detail the specific role of IGFs and the benefits they may convey for tissue engineering, and (iii) to provide a summary of potential for in vivo clinical translation of the current in vitro body of evidence.
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22
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CARF promotes spermatogonial self-renewal and proliferation through Wnt signaling pathway. Cell Discov 2020; 6:85. [PMID: 33298864 PMCID: PMC7674451 DOI: 10.1038/s41421-020-00212-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 08/25/2020] [Indexed: 02/06/2023] Open
Abstract
Collaborator of ARF (CARF) regulates cell proliferative fate through both p53-dependent and -independent mechanisms. Recently, we reported a new function of CARF as a positive regulator of Wnt signaling. Despite these findings, the physiological function of CARF has not been well studied. Here, we generated CARF knockout mice and found that male CARF-/- mice exhibited significantly impaired fertility and Sertoli-cell-only (SCO) syndrome phenotypes. Further studies revealed that loss of CARF in Sertoli cells led to decreased GDNF expression, which hindered spermatogonial stem cells (SSCs) self-renewal. Meanwhile, CARF loss in undifferentiated spermatogonia impaired their proliferation. These two mechanisms together led to SCO syndrome phenotypes, which could be functionally rescued by pharmacological or genetic reactivation of Wnt signaling. Finally, we identified CARFS351F as a potential pathogenic mutation in an SCO patient. Overall, our findings reveal important roles of CARF in spermatogonial self-renewal and proliferation through the Wnt signaling pathway.
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23
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Xie Y, Wei BH, Ni FD, Yang WX. Conversion from spermatogonia to spermatocytes: Extracellular cues and downstream transcription network. Gene 2020; 764:145080. [PMID: 32858178 DOI: 10.1016/j.gene.2020.145080] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/16/2020] [Accepted: 08/19/2020] [Indexed: 12/15/2022]
Abstract
Spermatocyte (spc) formation from spermatogonia (spg) differentiation is the first step of spermatogenesis which produces prodigious spermatozoa for a lifetime. After decades of studies, several factors involved in the functioning of a mouse were discovered both inside and outside spg. Considering the peculiar expression and working pattern of each factor, this review divides the whole conversion of spg to spc into four consecutive development processes with a focus on extracellular cues and downstream transcription network in each one. Potential coordination among Dmrt1, Sohlh1/2 and BMP families mediates Ngn3 upregulation, which marks progenitor spg, with other changes. After that, retinoic acid (RA), as a master regulator, promotes A1 spg formation with its helpers and Sall4. A1-to-B spg transition is under the control of Kitl and impulsive RA signaling together with early and late transcription factors Stra8 and Dmrt6. Finally, RA and its responsive effectors conduct the entry into meiosis. The systematic transcription network from outside to inside still needs research to supplement or settle the controversials in each process. As a step further ahead, this review provides possible drug targets for infertility therapy by cross-linking humans and mouse model.
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Affiliation(s)
- Yi Xie
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Bang-Hong Wei
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Fei-Da Ni
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Wan-Xi Yang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, China.
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24
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Binsila BK, Selvaraju S, Ghosh SK, Ramya L, Arangasamy A, Ranjithkumaran R, Bhatta R. EGF, GDNF, and IGF-1 influence the proliferation and stemness of ovine spermatogonial stem cells in vitro. J Assist Reprod Genet 2020; 37:2615-2630. [PMID: 32821972 DOI: 10.1007/s10815-020-01912-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 08/03/2020] [Indexed: 11/25/2022] Open
Abstract
PURPOSE The objective of the present study was to purify sheep spermatogonial stem cells (SSCs) from testicular isolate using combined enrichment methods and to study the effect of growth factors on SSC stemness during culture. METHODS The testicular cells from prepubertal male sheep were isolated, and SSCs were purified using Ficoll gradients (10 and 12%) followed by differential plating (laminin with BSA). SSCs were cultured with StemPro®-34 SFM, additives, and FBS for 7 days. The various doses (ng/ml) of growth factors, EGF at 10, 15, and 20, GDNF at 40, 70, and 100 and IGF-1 at 50, 100, and 150 were tested for the proliferation and stemness of SSCs in vitro. The stemness in cultured cells was assessed using SSC markers PLZF, ITGA6, and GFRα1. RESULTS Ficoll density gradient separation significantly (p < 0.05) increased the percentage of SSCs in 12% fraction (35.1 ± 3.8 vs 11.2 ± 3.7). Subsequently, purification using laminin with BSA plating further enriched SSCs to 61.7 ± 4.7%. GDNF at 40 ng/ml, EGF at 15 and 20 ng/ml and IGF1 at 100 and 150 ng/ml significantly (p < 0.05) improved proliferation and stemness of SSCs up to 7 days in culture. GDNF at 40 ng/ml outperformed other growth factors tested and could maintain the ovine SSCs proliferation and stemness for 36 days. CONCLUSIONS The combined enrichment method employing density gradient centrifugation and laminin with BSA plating improves the purification efficiency of ovine SSCs. GDNF at 40 ng/ml is essential for optimal proliferation and sustenance of stemness of ovine SSCs in vitro.
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Affiliation(s)
- B K Binsila
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India.
| | - S Selvaraju
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - S K Ghosh
- Animal Reproduction Division, Indian Council of Agricultural Research-Indian Veterinary Research Institute, Izatnagar, 243 122, India
| | - L Ramya
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - A Arangasamy
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - R Ranjithkumaran
- Reproductive Physiology Laboratory, Animal Physiology Division, Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
| | - R Bhatta
- Indian Council of Agricultural Research-National Institute of Animal Nutrition and Physiology, Bengaluru, 560 030, India
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25
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Patil SK, Somashekar L, Selvaraju S, Jamuna KV, Parthipan S, Binsila BK, Prasad RV, Ravindra JP. Immuno-histological mapping and functional association of seminal proteins in testis and excurrent ducts with sperm function in buffalo. Reprod Domest Anim 2020; 55:998-1010. [PMID: 32515513 DOI: 10.1111/rda.13742] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/03/2020] [Accepted: 06/01/2020] [Indexed: 12/15/2022]
Abstract
The region-specific expression of seminal proteins in testis and excurrent duct system determines the quality and function of the spermatozoa. In the present study, localization and expression of some of the seminal proteins such as insulin-like growth factor receptor 1β (IGF-1Rβ), phosphatidylethanolamine-binding protein 4 (PEBP4), α-tubulin and tissue factor pathway inhibitor 2 (TFPI2) were carried out in testis, excurrent duct system and spermatozoa of buffalo. IGF-1Rβ was localized in the cells of the seminiferous tubules of the testis, except in primary spermatocytes. The PEBP4 was localized only in the elongated spermatid, whereas α-tubulin and TFPI2 proteins were localized in all cells of the seminiferous tubule including spermatocyte. In the buffalo spermatozoa, IGF-1Rβ, PEBP4, α-tubulin and TFPI2 were localized in the acrosome region, the post-acrosomal region till the tail end, post-acrosome to the entire tail region and the equatorial region, respectively. The study indicates that IGF-1R, α-tubulin and PEBP4 proteins regulate spermatogenesis, whereas TFPI2 may be involved during the zona binding process of the buffalo spermatozoa.
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Affiliation(s)
- Sunil Kumar Patil
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India.,Department of Veterinary Anatomy and Histology, Veterinary College, KVAFSU, Bengaluru, India
| | - Lakshminarayana Somashekar
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Sellappan Selvaraju
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Kolatalu V Jamuna
- Department of Veterinary Anatomy and Histology, Veterinary College, KVAFSU, Bengaluru, India
| | - Shivashanmugam Parthipan
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Bala Krishnan Binsila
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | | | - Janivara Parameshwaraiah Ravindra
- Reproductive Physiology Laboratory, Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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Zhang J, Yao Y, Pan J, Guo X, Han X, Zhou J, Meng X. Maternal exposure to Di-(2-ethylhexyl) phthalate (DEHP) activates the PI3K/Akt/mTOR signaling pathway in F1 and F2 generation adult mouse testis. Exp Cell Res 2020; 394:112151. [PMID: 32589889 DOI: 10.1016/j.yexcr.2020.112151] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 06/12/2020] [Accepted: 06/18/2020] [Indexed: 12/19/2022]
Abstract
Di-(2-ethylhexyl) phthalate (diethylhexyl phthalate, DEHP) can cause male reproductive damage in rodents and human. Moreover, DEHP is known to promote transgenerational inheritance of adult-onset disease in subsequent generations after maternal exposure during fetal gonadal development. The PI3K/Akt/mTOR signaling pathway has been implicated in germ cell survival following testicular damage. In this study, a F0 gestation DEHP exposure and transgenerational inheritance testis injury model was established to study the testis injury phenotype and the expression and activation of members of PI3K/Akt/mTOR signaling pathway in the testis of F1-F3 generation mice. We found that the bodyweight and the anogenital distance (AGD) are reduced only in F1 mice, the sperm motility and deformity decreased in F1-F3 mice, and the testicular histomorphology damagedin F1-F3 mice; however the sperm motility and deformity rates are increased and the histomorphological injury is repaired during the transgenerational process. We also found the activation of PI3K/Akt/mTOR signaling pathway is enhanced in F1 and F2, and the number of apoptotic cells is decreased in F3 generation mice compared to the control group. These results suggest that the PI3K/Akt/mTOR signaling pathway may be activated to promote the proliferation and differentiation and protect testicular cells from apoptosis in the F1 and F2 generation mice after direct exposure to DEHP.
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Affiliation(s)
- Jie Zhang
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Yuanyuan Yao
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Junlin Pan
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Xiuxiu Guo
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Xiaoying Han
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Jun Zhou
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Xiaoqian Meng
- College of Life Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Shandong Normal University, Jinan, Shandong, 250014, China.
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Cui YL, Yu XN, Zhang X, Tang YL, Tang XJ, Yang H, Ping XY, Wu J, Yin QC, Zhou JY, Xu XY, Shentu XC. Association of IGF1R polymorphisms (rs1546713) with susceptibility to age-related cataract in a Han Chinese population. Int J Ophthalmol 2020; 13:374-381. [PMID: 32309172 DOI: 10.18240/ijo.2020.03.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 10/23/2019] [Indexed: 11/23/2022] Open
Abstract
AIM To explore the susceptible association between the insulin-like growth factor-1 receptor (IGF1R) single nucleotide polymorphism (SNP) and age-related cataract (ARC), and investigate the underlying mechanisms in human lens epithelium (HLE) cells. METHODS Totally 1190 unrelated participants, comprising 690 ARC patients and 500 healthy individuals in Han Chinese population were recruited and genotyped for target SNP. The χ 2-test was used to detect genotypic distribution between the patient and control groups and the logistic regression was performed to adjust the age and gender. Meanwhile, different biological experimental methods, such as cell counting kit 8 (CCK-8) assay, flow cytometry, quantitative real time polymerase chain reaction (Q-PCR) and Western blot, were used to detect cell viability, cell cycle progression and apoptosis in HLE cells or IGF1R knockdown HLE cells. RESULTS The rs1546713 in IGF1R gene was identified (P=0.046, OR: 1.606, 95%CI: 1.245-2.071), which shown a significant relevance with ARC risk under the dominant model. The results demonstrated that IGF1R knockdown inhibited cell proliferation by inducing cell cycle arrested at S phase and promoting apoptosis. Mechanistically, the cell cycle blocked at S phase was linked with the alterations of cyclin A, cyclin B, cyclin E and P21. The pro-apoptosis function of IGF1R may related with stimulating the activation of Caspase-3 and altering the expression levels of apoptotic proteins, including Bcl-2, Bax and Caspase-3. CONCLUSION This study first report that IGF1R polymorphisms may affect susceptibility to ARCs in Han Chinese population and provide new clues to understand the pathogenic mechanism of ARCs. Notably, IGF1R is likely a potential target for ARC prevention and treatment.
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Affiliation(s)
- Yi-Lei Cui
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Xiao-Ning Yu
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Xin Zhang
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Ye-Lei Tang
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Xia-Jing Tang
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Hao Yang
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Xi-Yuan Ping
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Jing Wu
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Qi-Chuan Yin
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Jia-Yue Zhou
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Xia-Yan Xu
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
| | - Xing-Chao Shentu
- Eye Center, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, Zhejiang Province, China
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Xiong C, Wang M, Ling W, Xie D, Chu X, Li Y, Huang Y, Li T, Otieno E, Qiu X, Xiao X. Advances in Isolation and Culture of Chicken Embryonic Stem Cells In Vitro. Cell Reprogram 2020; 22:43-54. [PMID: 32150690 DOI: 10.1089/cell.2019.0080] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Chicken embryonic stem cells (cESCs) isolated from the egg at the stage X hold great promise for cell therapy, tissue engineering, pharmaceutical, and biotechnological applications. They are considered to be pluripotent cells with the capacity to self-renewal and differentiate into specialized cells. However, long-term maintenance of cESCs cannot be realized now, which impedes the establishment of cESC line and limits their applications. Therefore, the separation locations, isolation methods, and culture conditions especially the supplements and action mechanisms of cytokines, including leukemia inhibitory factor, fibroblast growth factor, transforming growth factor beta, bone morphogenic protein, and activin for cESCs in vitro, have been reviewed here. These defined strategies will contribute to identify the key mechanism on the self-renewal of cESCs, facilitate to optimize system that supports the derivation and longtime maintenance of cESCs, establish the cESC line, and develop the biobank of genetic resources in chicken.
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Affiliation(s)
- Chunxia Xiong
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Mingyu Wang
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Wenhui Ling
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Dengfeng Xie
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Xinyue Chu
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Yunxin Li
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Yun Huang
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Tong Li
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Edward Otieno
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Xiaoyan Qiu
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Xiong Xiao
- Department of Veterinary Medicine, College of Animal Science and Technology, Southwest University, Chongqing, China
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29
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Khoobbakht Z, Roostaei-Ali Mehr M, Mohammadi M, Mohammadghasemi F, Sohani MM. Supplementation of various zinc sources modify sexual development and testicular IGF family gene expression in pre-pubertal male Japanese quail. Res Vet Sci 2020; 130:87-92. [PMID: 32155471 DOI: 10.1016/j.rvsc.2020.03.004] [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: 05/08/2019] [Revised: 02/18/2020] [Accepted: 03/02/2020] [Indexed: 10/24/2022]
Abstract
Zinc plays an important role in the regulation of insulin-like growth factor-I (IGF-I). IGF system, in turn, has a key role in the development and functions of the reproductive organs. This research was performed to investigate the effects of different sources of zinc on IGF-I gene expression and testicular development in pre-pubertal male Japanese quail. A total of 512 unsexed day-old Japanese quail chicks were randomly divided into 16 groups (4 dietary treatments × 4 replicates) and kept for 35 days. The control group diet was not supplemented with zinc whereas the diets of three groups were supplemented with 25 mg kg-1 zinc oxide (ZnO), zinc oxide nanoparticle (ZnON), and zinc-methionine (Zn-Met). On days 28 and 35, one birds from each subgroup were weighed, bled, and euthanized to evaluate gonado-somatic index (GSI), testicular histology, serum testosterone concentration, cloacal gland index (CGI), and the testicular IGF family gene expression. The results showed that GSI was higher in ZnON (2.307) than control (1.619) on day 35 (P < .05). Germinal epithelium thickness was higher in ZnON (78.88 μm) and Zn-Met (79.73 μm) than control (67.73 μm) on day 35 (P < .05). On day 35, the testosterone concentration was lowest in the control (5.830 ng/ml, P < .05). The CGI of 35-day-old birds was higher in Zn-Met (411.28) than the control (307.59, P < .05). IGF-IR mRNA expression was highest in Zn-Met group on day 28. Therefore, supplementation of diet with Zn-methionine is superior to other sources of zinc for diet supplementation in immature Japanese quail.
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Affiliation(s)
- Zeinab Khoobbakht
- Animal Science Department, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | | | - Mehrdad Mohammadi
- Animal Science Department, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran.
| | | | - Mohammad Mehdi Sohani
- Biotechnology Department, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran.
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30
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Wu M, Tang Y, Hu G, Yang C, Ye K, Liu X. miR-4458 directly targets IGF1R to inhibit cell proliferation and promote apoptosis in hemangioma. Exp Ther Med 2020; 19:3017-3023. [PMID: 32256788 PMCID: PMC7086214 DOI: 10.3892/etm.2020.8546] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 10/11/2019] [Indexed: 12/12/2022] Open
Abstract
Hemangiomas (HAs) are benign neoplasms of the vasculature. MicroRNA-4458 (miR-4458) has been reported to function as a tumor suppressor in multiple malignancies, but its biological function in HAs remains unknown. In the present study, the potential role of miR-4458 in HA-derived endothelial cells (HDECs) was investigated. Firstly, reverse-transcription-quantitative PCR analysis was used to confirm the expression of miR-4458 in HDECs following transfection with miR-4458 mimics or inhibitor. Subsequently, MTT and EdU assays were performed and subsequently determined that miR-4458 overexpression significantly inhibited proliferation, and knockdown promoted cell proliferation in HDECs. Flow cytometry analysis revealed that miR-4458 overexpression induced cell cycle arrest, whereas knockdown reversed G0/G1 phase arrest and apoptosis. Furthermore, insulin-like growth factor 1 receptor (IGF1R) was identified as a target of miR-4458. IGF1R knockdown enhanced the effects of miR-4458 on cell proliferation, cell cycle G0/G1 phase arrest and apoptosis in HDECs. Taken together, the results revealed that miR-4458 targeting of IGF1R may serve as a novel therapeutic strategy for treating patients with HAs.
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Affiliation(s)
- Maosong Wu
- Department of General Surgery, The Second People's Hospital of Hefei, Hefei, Anhui 230011, P.R. China
| | - Yongsheng Tang
- Department of General Surgery, The Second People's Hospital of Hefei, Hefei, Anhui 230011, P.R. China
| | - Gang Hu
- Department of General Surgery, The Second People's Hospital of Hefei, Hefei, Anhui 230011, P.R. China
| | - Chunjian Yang
- Department of General Surgery, The Second People's Hospital of Hefei, Hefei, Anhui 230011, P.R. China
| | - Kaichuang Ye
- Department of Vascular Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 230011, P.R. China
| | - Xianluo Liu
- Department of General Surgery, The Second People's Hospital of Hefei, Hefei, Anhui 230011, P.R. China
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Single-Cell Transcriptomic Atlas of Primate Ovarian Aging. Cell 2020; 180:585-600.e19. [PMID: 32004457 DOI: 10.1016/j.cell.2020.01.009] [Citation(s) in RCA: 266] [Impact Index Per Article: 66.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/13/2019] [Accepted: 01/06/2020] [Indexed: 12/17/2022]
Abstract
Molecular mechanisms of ovarian aging and female age-related fertility decline remain unclear. We surveyed the single-cell transcriptomic landscape of ovaries from young and aged non-human primates (NHPs) and identified seven ovarian cell types with distinct gene-expression signatures, including oocyte and six types of ovarian somatic cells. In-depth dissection of gene-expression dynamics of oocytes revealed four subtypes at sequential and stepwise developmental stages. Further analysis of cell-type-specific aging-associated transcriptional changes uncovered the disturbance of antioxidant signaling specific to early-stage oocytes and granulosa cells, indicative of oxidative damage as a crucial factor in ovarian functional decline with age. Additionally, inactivated antioxidative pathways, increased reactive oxygen species, and apoptosis were observed in granulosa cells from aged women. This study provides a comprehensive understanding of the cell-type-specific mechanisms underlying primate ovarian aging at single-cell resolution, revealing new diagnostic biomarkers and potential therapeutic targets for age-related human ovarian disorders.
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32
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Safian D, Bogerd J, Schulz RW. Regulation of spermatogonial development by Fsh: The complementary roles of locally produced Igf and Wnt signaling molecules in adult zebrafish testis. Gen Comp Endocrinol 2019; 284:113244. [PMID: 31415728 DOI: 10.1016/j.ygcen.2019.113244] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/07/2019] [Accepted: 08/09/2019] [Indexed: 12/28/2022]
Abstract
Spermatogenesis is a cellular developmental process characterized by the coordinated proliferation and differentiation activities of somatic and germ cells in order to produce a large number of spermatozoa, the cellular basis of male fertility. Somatic cells in the testis, such as Leydig, peritubular myoid and Sertoli cells, provide structural and metabolic support and contribute to the regulatory microenvironment required for proper germ cell survival and development. The pituitary follicle-stimulating hormone (Fsh) is a major endocrine regulator of vertebrate spermatogenesis, targeting somatic cell functions in the testes. In fish, Fsh regulates Leydig and Sertoli cell functions, such as sex steroid and growth factor production, processes that also control the development of spermatogonia, the germ cell stages at the basis of the spermatogenic process. Here, we summarize recent advances in our understanding of mechanisms used by Fsh to regulate the development of spermatogonia. This involves discussing the roles of insulin-like growth factor (Igf) 3 and canonical and non-canonical Wnt signaling pathways. We will also discuss how these locally active regulatory systems interact to maintain testis tissue homeostasis.
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Affiliation(s)
- Diego Safian
- Reproductive Biology Group, Division Developmental Biology, Institute of Biodynamics and Biocomplexity, Department of Biology, Faculty of Science, University of Utrecht, 3584 CH Utrecht, The Netherlands
| | - Jan Bogerd
- Reproductive Biology Group, Division Developmental Biology, Institute of Biodynamics and Biocomplexity, Department of Biology, Faculty of Science, University of Utrecht, 3584 CH Utrecht, The Netherlands
| | - Rüdiger W Schulz
- Reproductive Biology Group, Division Developmental Biology, Institute of Biodynamics and Biocomplexity, Department of Biology, Faculty of Science, University of Utrecht, 3584 CH Utrecht, The Netherlands; Reproduction and Developmental Biology Group, Institute of Marine Research, P.O. Box 1870, Nordnes, 5817 Bergen, Norway.
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Liang J, Wang N, He J, Du J, Guo Y, Li L, Wu W, Yao C, Li Z, Kee K. Induction of Sertoli-like cells from human fibroblasts by NR5A1 and GATA4. eLife 2019; 8:48767. [PMID: 31710289 PMCID: PMC6881147 DOI: 10.7554/elife.48767] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 11/09/2019] [Indexed: 12/13/2022] Open
Abstract
Sertoli cells are essential nurse cells in the testis that regulate the process of spermatogenesis and establish the immune-privileged environment of the blood-testis-barrier (BTB). Here, we report the in vitro reprogramming of fibroblasts to human induced Sertoli-like cells (hiSCs). Initially, five transcriptional factors and a gene reporter carrying the AMH promoter were utilized to obtain the hiSCs. We further reduce the number of reprogramming factors to two, NR5A1 and GATA4, and show that these hiSCs have transcriptome profiles and cellular properties that are similar to those of primary human Sertoli cells. Moreover, hiSCs can sustain the viability of spermatogonia cells harvested from mouse seminiferous tubules. hiSCs suppress the proliferation of human T lymphocytes and protect xenotransplanted human cells in mice with normal immune systems. hiSCs also allow us to determine a gene associated with Sertoli cell only syndrome (SCO), CX43, is indeed important in regulating the maturation of Sertoli cells.
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Affiliation(s)
- Jianlin Liang
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China.,Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China
| | - Nan Wang
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Jing He
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Jian Du
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Yahui Guo
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Lin Li
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Wenbo Wu
- National Institute of Biological Sciences, Beijing, China
| | - Chencheng Yao
- Department of Andrology, the Center for Men's Health, Urologic Medical Center, Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai General Hospital, Shanghai, China
| | - Zheng Li
- Department of Andrology, the Center for Men's Health, Urologic Medical Center, Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai General Hospital, Shanghai, China
| | - Kehkooi Kee
- Center for Stem Cell Biology and Regenerative Medicine, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China.,Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China.,Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, Beijing, China
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Nam RK, Benatar T, Wallis CJD, Kobylecky E, Amemiya Y, Sherman C, Seth A. MicroRNA-139 is a predictor of prostate cancer recurrence and inhibits growth and migration of prostate cancer cells through cell cycle arrest and targeting IGF1R and AXL. Prostate 2019; 79:1422-1438. [PMID: 31269290 DOI: 10.1002/pros.23871] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 05/21/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND We previously identified a panel of five microRNAs (miRNAs) associated with biochemical recurrence and metastasis following prostatectomy from prostate cancer patients using next-generation sequencing-based whole miRNome sequencing and quantitative polymerase chain reaction-based validation analysis. In this study, we examined the mechanism of action of miR-139-5p, one of the downregulated miRNAs identified in the panel. METHODS Using a cohort of 585 patients treated with radical prostatectomy, we examined the prognostic significance of miR-139 (dichotomized around the median) using the Kaplan-Meier method and Cox proportional hazard models. We validated these results using The Cancer Genome Atlas (TCGA) data. We created cell lines that overexpressed miR-139 to confirm its targets as well as examine pathways through which miR-139 may function using cell-based assays. RESULTS Low miR-139 expression was significantly associated with a variety of prognostic factors in prostate cancer, including Gleason score, pathologic stage, margin positivity, and lymph node status. MiR-139 expression was associated with prognosis: the cumulative incidence of biochemical recurrence and metastasis were significantly lower among patients with high miR-139 expression (P = .0004 and .038, respectively). Validation in the TCGA data set showed a significant association between dichotomized miR-139 expression and biochemical recurrence (odds ratio, 0.52; 95% confidence interval, 0.33-0.82). Overexpression of miR-139 in prostate cancer cells led to a significant reduction in cell proliferation and migration compared with control cells, with cells arrested in G2 of cell cycle. IGF1R and AXL were identified as potential targets of miR-139 based on multiple miRNA-binding sites in 3'-untranslated regions of both the genes and their association with prostate cancer growth pathways. Luciferase assays verified AXL and IGF1R as direct targets of miR-139. Furthermore, immunoblotting of prostate cancer cells demonstrated IGF1R and AXL protein expression were inhibited by miR-139 treatment, which was reversed by the addition of miR-139 antagomir. Examination of the molecular mechanism of growth inhibition by miR-139 revealed the downregulation of activated AKT and cyclin D1, with upregulation of the CDK inhibitor p21. CONCLUSIONS miR-139 is associated with improved prognosis in patients with localized prostate cancer, which may be mediated through downregulation of IGF1R and/or AXL and associated signaling pathway components.
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Affiliation(s)
- Robert K Nam
- Division of Urology, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - Tania Benatar
- Platform Biological Sciences, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - Christopher J D Wallis
- Division of Urology, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - Elizabeth Kobylecky
- Platform Biological Sciences, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - Yutaka Amemiya
- Genomics Core Facility, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Christopher Sherman
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Arun Seth
- Platform Biological Sciences, Sunnybrook Health Sciences Centre, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada
- Genomics Core Facility, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
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Lin Z, Liang P, Yao Z, Chen Y, Zhang X, Huang R, Zhang Z, Li M, Ma W, Zheng H, Cao S, Shi G, Zhao X, Songyang Z, Huang J. A novel undifferentiated spermatogonia-specific surface protein 1 (USSP1) in neonatal mice. Sci Bull (Beijing) 2019; 64:524-533. [PMID: 36659742 DOI: 10.1016/j.scib.2019.03.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 02/11/2019] [Accepted: 03/07/2019] [Indexed: 01/21/2023]
Abstract
Mammalian spermatogenesis is maintained by a rare population of spermatogonial stem cells (SSCs), which are important for male fertility. SSCs remain a subset of undifferentiated spermatogonia, which can be isolated by a combination of surface markers. Specific markers to identify and isolate undifferentiated spermatogonia are lacking. Ussp1, a transcript previously annotated as long noncoding RNA (RIKEN cDNA 4933427D06, Gene ID: 232217), virtually encodes a membrane protein, USSP1, in a highly testis-specific manner in mouse. We demonstrate its expression on the membrane of undifferentiated spermatogonia by a homemade polyclonal rabbit antibody against the protein. In vivo, USSP1+ clusters consist mainly of As, Apr (GFRα1+) and Aal (PLZF+) cells. USSP1+ cells exhibit enrichment of undifferentiated spermatogonia, as shown by increased expression of SSC self-renewal molecular markers and the potential to form SSC clones in vitro and in vivo. However, Ussp1 knockout did not affect the number of SSCs or spermatogenesis in mice. Thy1+ cells from Ussp1 null mice did not show any defect in the SSC colony formation capacity, indicating that USSP1 is not essential for SSC self-renewal. Our data demonstrate that Ussp1 is specifically expressed in undifferentiated murine spermatogonia, indicating the potential to sort undifferentiated spermatogonia with USSP1 antibodies. Ussp1 might be a good maker for SSC enrichment in neonatal mice.
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Affiliation(s)
- Zhuoheng Lin
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Puping Liang
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhaokai Yao
- Department of Developmental Biology, School of Basic Medical Science, Southern Medical University, Guangzhou 510515, China
| | - Yuxi Chen
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Xiya Zhang
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Rui Huang
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Zhen Zhang
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Minyan Li
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Wenbin Ma
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
| | - Haiyan Zheng
- Key Laboratory of Reproductive Medicine of Guangdong Province, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
| | - Shanbo Cao
- Key Laboratory of Reproductive Medicine of Guangdong Province, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
| | - Guang Shi
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Xiaoyang Zhao
- Department of Developmental Biology, School of Basic Medical Science, Southern Medical University, Guangzhou 510515, China
| | - Zhou Songyang
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510275, China.
| | - Junjiu Huang
- Key Laboratory of Gene Function and Regulation of the Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, School of Life Sciences and the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Reproductive Medicine of Guangdong Province, Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China; State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510275, China.
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Rescue of premature aging defects in Cockayne syndrome stem cells by CRISPR/Cas9-mediated gene correction. Protein Cell 2019; 11:1-22. [PMID: 31037510 PMCID: PMC6949206 DOI: 10.1007/s13238-019-0623-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 03/12/2019] [Indexed: 01/07/2023] Open
Abstract
Cockayne syndrome (CS) is a rare autosomal recessive inherited disorder characterized by a variety of clinical features, including increased sensitivity to sunlight, progressive neurological abnormalities, and the appearance of premature aging. However, the pathogenesis of CS remains unclear due to the limitations of current disease models. Here, we generate integration-free induced pluripotent stem cells (iPSCs) from fibroblasts from a CS patient bearing mutations in CSB/ERCC6 gene and further derive isogenic gene-corrected CS-iPSCs (GC-iPSCs) using the CRISPR/Cas9 system. CS-associated phenotypic defects are recapitulated in CS-iPSC-derived mesenchymal stem cells (MSCs) and neural stem cells (NSCs), both of which display increased susceptibility to DNA damage stress. Premature aging defects in CS-MSCs are rescued by the targeted correction of mutant ERCC6. We next map the transcriptomic landscapes in CS-iPSCs and GC-iPSCs and their somatic stem cell derivatives (MSCs and NSCs) in the absence or presence of ultraviolet (UV) and replicative stresses, revealing that defects in DNA repair account for CS pathologies. Moreover, we generate autologous GC-MSCs free of pathogenic mutation under a cGMP (Current Good Manufacturing Practice)-compliant condition, which hold potential for use as improved biomaterials for future stem cell replacement therapy for CS. Collectively, our models demonstrate novel disease features and molecular mechanisms and lay a foundation for the development of novel therapeutic strategies to treat CS.
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Caldeira-Brant AL, Eras-Garcia L, Alves-Freitas D, Almeida FRCL, Chiarini-Garcia H. Spermatogonial behavior in marmoset: a new generation, their kinetics and niche. Mol Hum Reprod 2019; 24:299-309. [PMID: 29660000 DOI: 10.1093/molehr/gay017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 04/09/2018] [Indexed: 11/13/2022] Open
Abstract
STUDY QUESTION Could a more detailed evaluation of marmoset spermatogonial morphology, kinetics and niches using high-resolution light microscopy (HRLM) lead to new findings? SUMMARY ANSWER Three subtypes of marmoset undifferentiated spermatogonia, which were not evenly distributed in terms of number and position along the basal membrane, and an extra premeiotic cell division not present in humans were identified using HRLM. WHAT IS KNOWN ALREADY The seminiferous epithelium cycle (SEC) of marmosets is divided into nine stages when based on the acrosome system, and several spermatogenic stages can usually be recognized within the same tubular cross-section. Three spermatogonial generations have been previously described in marmosets: types Adark, Apale and B spermatogonia. STUDY DESIGN, SIZE, DURATION Testes from five adult Callithrix penicillata were fixed by glutaraldehyde perfusion via the cardiac route and embedded in Araldite plastic resin for HRLM evaluation. Semi-thin sections (1 μm) were analyzed morphologically and morphometrically to evaluate spermatogonial morphology and kinetics (number, mitosis and apoptosis), spermatogenesis efficiency and the spermatogonial niche. PARTICIPANTS/MATERIALS, SETTING, METHODS Shape and nuclear diameter, the presence and distribution of heterochromatin, the granularity of the euchromatin, as well as the number, morphology and degree of nucleolar compaction were observed for morphological characterization. Kinetics analyses were performed for all spermatogonial subtypes and preleptotene spermatocytes, and their mitosis and apoptosis indexes determined across all SEC stages. Spermatogenesis parameters (mitotic, meiotic, Sertoli cell workload and general spermatogenesis efficiency) were determined through the counting of Adark and Apale spermatogonia, preleptotene and pachytene primary spermatocytes, round spermatids, and Sertoli cells at stage IV of the SEC. MAIN RESULTS AND THE ROLE OF CHANCE This is the first time that a study in marmosets demonstrates: the existence of a new spermatogonial generation (B2); the presence of two subtypes of Adark spermatogonia with (AdVac) and without (AdNoVac) nuclear rarefaction zones; the peculiar behavior of AdVac spermatogonia across the stages of the SEC, suggesting that they are quiescent stem spermatogonia; and that AdVac spermatogonia are located close to areas in which blood vessels, Leydig cells and macrophages are concentrated, suggesting a niche area for these cells. LARGE SCALE DATA Not applicable. LIMITATIONS, REASONS FOR CAUTION The C. penicillata spermatogonial kinetics evaluated here consider spermatogonial number across the SEC and their mitotic and apoptotic figures identified in HRLM sections. Therefore, caution is required when comparing absolute values between species. Although morphometric evaluation has suggested that AdVac spermatogonia are stem cells, a functional proof of this is still missing. It is known that parameters of the spermatogenic process in C. penicillata have similarities with those of the common marmoset C. jacchus, however, a detailed study of spermatogonial morphology, kinetics and niche has not yet been performed in C. jacchus, and a full comparison of the two species is not possible. WIDER IMPLICATIONS OF THE FINDINGS Our findings in C. penicillata contribute to a better understanding of the spermatogonial behavior and spermatogenesis efficiency in non-human primates. Given the phylogenetic closeness of the marmoset to the human species, similar processes might occur in humans. Therefore, marmosets may be an excellent model for studies regarding human testicular biology, fertility and related disorders. STUDY FUNDING/COMPETING INTEREST(S) Experiments were partially supported by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Fundação de Amparo à Pesquisa do Estado de Minas Gerais (FAPEMIG) and Conselho Nacional de Desenvolvimento Cientifico e Tecnológico (CNPq). The authors declare that there are no conflicts of interest.
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Affiliation(s)
- A L Caldeira-Brant
- Laboratório de Biologia Estrutural e Reprodução, Departamento de Morfologia, Instituto de Ciências Biológicas-ICB, Universidade Federal de Minas Gerais-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
| | - L Eras-Garcia
- Laboratório de Biologia Estrutural e Reprodução, Departamento de Morfologia, Instituto de Ciências Biológicas-ICB, Universidade Federal de Minas Gerais-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
| | - D Alves-Freitas
- Laboratório de Biologia Estrutural e Reprodução, Departamento de Morfologia, Instituto de Ciências Biológicas-ICB, Universidade Federal de Minas Gerais-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
| | - F R C L Almeida
- Laboratório de Biologia Estrutural e Reprodução, Departamento de Morfologia, Instituto de Ciências Biológicas-ICB, Universidade Federal de Minas Gerais-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
| | - H Chiarini-Garcia
- Laboratório de Biologia Estrutural e Reprodução, Departamento de Morfologia, Instituto de Ciências Biológicas-ICB, Universidade Federal de Minas Gerais-UFMG, 31.270-901 Belo Horizonte, MG, Brazil
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Yildirim OG, Sumlu E, Aslan E, Koca HB, Pektas MB, Sadi G, Akar F. High-fructose in drinking water initiates activation of inflammatory cytokines and testicular degeneration in rat. Toxicol Mech Methods 2019; 29:224-232. [DOI: 10.1080/15376516.2018.1543745] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Onur Gökhan Yildirim
- Department of Pharmacy Services, Vocational School of Health Services, Artvin Coruh University, Artvin, Turkey
| | - Esra Sumlu
- Department of Pharmacology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Esra Aslan
- Department of Histology and Embryology, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Halit Buğra Koca
- Department of Medical Biochemistry, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Mehmet Bilgehan Pektas
- Department of Medical Pharmacology, Faculty of Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Gökhan Sadi
- Department of Biology, K.Ö. Science Faculty, Karamanoglu Mehmetbey University, Karaman, Turkey
| | - Fatma Akar
- Department of Pharmacology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
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Yang C, Yao C, Tian R, Zhu Z, Zhao L, Li P, Chen H, Huang Y, Zhi E, Gong Y, Xue Y, Wang H, Yuan Q, He Z, Li Z. miR-202-3p Regulates Sertoli Cell Proliferation, Synthesis Function, and Apoptosis by Targeting LRP6 and Cyclin D1 of Wnt/β-Catenin Signaling. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 14:1-19. [PMID: 30513418 PMCID: PMC6280020 DOI: 10.1016/j.omtn.2018.10.012] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 10/15/2018] [Accepted: 10/19/2018] [Indexed: 01/15/2023]
Abstract
MicroRNAs (miRNAs) play important roles in mammalian spermatogenesis, which is highly dependent on Sertoli cells. However, the functions and mechanisms of miRNAs in regulating human Sertoli cells remain largely unknown. Here, we report that hsa-miR-202-3p mediates the proliferation, apoptosis, and synthesis function of human Sertoli cells. miR-202-3p was upregulated in Sertoli cells of Sertoli cell-only syndrome (SCOS) patients compared with obstructive azoospermia (OA) patients with normal spermatogenesis. Overexpression of miR-202-3p induced Sertoli cell apoptosis and inhibited cell proliferation and synthesis, and the effects were opposite when miR-202-3p was knocked down. Lipoprotein receptor-related protein 6 (LRP6) and Cyclin D1 of the Wnt/β-catenin signaling pathway were identified as direct targets of miR-202-3p in Sertoli cells, which were validated by bioinformatics tools and dual-luciferase reporter assay. Differentially expressed LRP6 and Cyclin D1 between OA and SCOS Sertoli cells were also verified. LRP6 small interfering RNA (siRNA) interference not only mimicked the effects of miR-202-3p overexpression, but also antagonized the effects of miR-202-3p inhibition on Sertoli cells. Collectively, miR-202-3p controls the proliferation, apoptosis, and synthesis function of human Sertoli cells via targeting LRP6 and Cyclin D1 of the Wnt/β-catenin signaling pathway. This study thus provides a novel insight into fate determinations of human Sertoli cells and niche of human testis.
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Affiliation(s)
- Chao Yang
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China; Shanghai Key Laboratory of Reproductive Medicine, Shanghai 200025, China; Nanjing Medical University, 101 Longmian Dadao, Jiangning District, Nanjing 210029, China
| | - Chencheng Yao
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China; Shanghai Key Laboratory of Reproductive Medicine, Shanghai 200025, China
| | - Ruhui Tian
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Zijue Zhu
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Liangyu Zhao
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Peng Li
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Huixing Chen
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Yuhua Huang
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Erlei Zhi
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Yuehua Gong
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Yunjing Xue
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Hong Wang
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China
| | - Qingqing Yuan
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 845 Lingshan Road, Shanghai 200135, China
| | - Zuping He
- Shanghai Key Laboratory of Reproductive Medicine, Shanghai 200025, China; School of Medicine, Hunan Normal University, 371 Tongzipo Road, Changsha, Hunan 410013, China.
| | - Zheng Li
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, 100 Haining Road, Shanghai 200080, China; Shanghai Key Laboratory of Reproductive Medicine, Shanghai 200025, China.
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40
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Lei Q, Pan Q, Li N, Zhou Z, Zhang J, He X, Peng S, Li G, Sidhu K, Chen S, Hua J. H19 regulates the proliferation of bovine male germline stem cells via IGF-1 signaling pathway. J Cell Physiol 2018; 234:915-926. [PMID: 30069947 DOI: 10.1002/jcp.26920] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/13/2018] [Indexed: 01/12/2023]
Abstract
Self-renewal and differentiation of male germline stem cells (mGSCs) provide the basic function for continual spermatogenesis. Studies of in vitro culture of germline stem cells are important and meaningful for basic biological research and practical application. Growth factors, such as GDNF, bFGF, CSF1, and EGF, could maintain the self-renewal of mGSCs. Insulin-like growth factor 1 (IGF-1), an important growth factor, and its pathway have been reported to maintain the survival of several types of stem cells and play important roles in male reproduction. However, the mechanism through which the IGF-1 pathway acts to regulate the self-renewal of mGSCs remains unclear. We analyzed the effect of IGF-1 on the proliferation and apoptosis of bovine mGSCs. We evaluated the expression profile of long noncoding RNA (LncRNA) H19 in bovine and mouse tissues. Moreover, we investigated whether LncRNA H19 could regulate the IGF-1 pathway. Results showed that IGF-1 could activate the phosphorylation of AKT and ERK signaling pathways, and the IGF-1 pathway played an important role in regulating the proliferation and apoptosis of bovine mGSCs. The proliferation rate of mGSCs decreased, whereas the apoptosis rate of mGSCs increased when the IGF-1 receptor (IGF-1R) was blocked using the IGF-1R-specific inhibitor (picropodophyllin). LncRNA H19 could regulate the IGF-1 signaling pathway and, consequently, the proliferation and apoptosis of mGSCs. The number of cells in the seminiferous tubule decreased when H19 was interfered by injecting a virus-containing supernatant. Hence, LncRNA H19 participated in the regulation of the proliferation and apoptosis of mGSCs via the IGF-1 signaling pathway.
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Affiliation(s)
- Qijing Lei
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Qin Pan
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Na Li
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Zhe Zhou
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Juqing Zhang
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Xin He
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Sha Peng
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Guangpeng Li
- Key Laboratory of Mammalian Reproductive Biology and Biotechnology of the Ministry of Education, College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Kuldip Sidhu
- Centre for Healthy Brain Ageing, UNSW Medicine, High St Randwick, NSW, Australia
| | - Shulin Chen
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
| | - Jinlian Hua
- College of Veterinary Medicine, Shaanxi Centre of Stem Cells Engineering and Technology, Northwest A&F University, Yangling, China
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Feng Y, Ning Y, Lin X, Zhang D, Liao S, Zheng C, Chen J, Wang Y, Ma L, Xie D, Han C. Reprogramming p53-Deficient Germline Stem Cells Into Pluripotent State by Nanog. Stem Cells Dev 2018; 27:692-703. [PMID: 29631477 DOI: 10.1089/scd.2018.0047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Cultured mouse spermatogonial stem cells (SSCs), also known as germline stem cells (GSCs), revert back to pluripotent state either spontaneously or upon being modified genetically. However, the reprogramming efficiencies are low, and the underlying mechanism remains poorly understood. In the present study, we conducted transcriptomic analysis and found that many transcription factors and epigenetic modifiers were differentially expressed between GSCs and embryonic stem cells. We failed in reprogramming GSCs to pluripotent state using the Yamanaka 4 Factors, but succeeded when Nanog and Tet1 were included. More importantly, reprogramming was also achieved with Nanog alone in a p53-deficient GSC line with an efficiency of 0.02‰. These GSC-derived-induced pluripotent stem cells possessed in vitro and in vivo differentiation abilities despite the low rate of chimera formation, which might be caused by abnormal methylation in certain paternally imprinted genes. Together, these results show that GSCs can be reprogrammed to pluripotent state via multiple avenues and contribute to our understanding of the mechanisms of GSC reprogramming.
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Affiliation(s)
- Yanmin Feng
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Yan Ning
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Xiwen Lin
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
| | - Daoqin Zhang
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Shangying Liao
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
| | - Chunwei Zheng
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Jian Chen
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Yang Wang
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Longfei Ma
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Dan Xie
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China .,2 University of Chinese Academy of Sciences , Beijing, China
| | - Chunsheng Han
- 1 State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology , Chinese Academy of Sciences, Beijing, China
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Wei C, Lin H, Cui S. The Forkhead Transcription Factor FOXC2 Is Required for Maintaining Murine Spermatogonial Stem Cells. Stem Cells Dev 2018; 27:624-636. [DOI: 10.1089/scd.2017.0233] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- Chao Wei
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, People's Republic of China
| | - Hao Lin
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, People's Republic of China
| | - Sheng Cui
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, People's Republic of China
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43
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Wang DH, Zhou HX, Liu SJ, Zhou CJ, Kong XW, Han Z, Liang CG. Glial cell line-derived neurotrophic factor supplementation promotes bovine in vitro oocyte maturation and early embryo development. Theriogenology 2018; 113:92-101. [PMID: 29477014 DOI: 10.1016/j.theriogenology.2018.02.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 02/09/2018] [Accepted: 02/15/2018] [Indexed: 12/13/2022]
Abstract
Paracrine factors such as glial cell line-derived neurotrophic factor (GDNF), which was originally derived from the supernatants of a rat glioma cell line, play pivotal roles in oocyte maturation and early embryo development in mammals, such as mice, rats, pigs, sheep, and even humans. However, whether GDNF facilitates in vitro oocyte maturation or early embryo development in bovines is not yet known. We show for the first time that GDNF and its receptor, GDNF family receptor alpha-1 (GFRA1), are presented in ovarian follicles at different stages as well as during oocyte maturation and early embryo development. Immunostaining results revealed the subcellular localizations of GDNF and GFRA1 in oocytes throughout follicle development, first in germinal vesicles and during blastocyst embryo stages. The ability of exogenously applied GDNF to promote oocyte maturation and early embryo development was evaluated in culture, where we found that an optimal concentration of 50 ng/mL promotes the maturation of cumulus-oocyte complexes and the nuclei of denuded oocytes as well as the development of embryos after IVF. To further investigate the potential mechanism by which GDNF promotes oocyte maturation, bovine oocytes were treated with morpholinos targeting Gfra1. The suppression of GFRA1 presence blocked endogenous and exogenous GDNF functions, indicating that the effects of GDNF that are essential and beneficial for bovine oocyte maturation and early embryo development occur through this receptor. Furthermore, we show that supplementation with GDNF improves the efficiency of bovine IVF embryo production.
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Affiliation(s)
- Dong-Hui Wang
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China
| | - Hong-Xia Zhou
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China
| | - Shu-Jun Liu
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China
| | - Cheng-Jie Zhou
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China
| | - Xiang-Wei Kong
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China
| | - Zhe Han
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China
| | - Cheng-Guang Liang
- State Key Laboratory of Reproductive Regulation & Breeding of Grassland Livestock, The Research Center for Laboratory Animal Science, College of Life Science, Inner Mongolia University, Hohhot, Inner Mongolia, People's Republic of China.
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44
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Wang S, Hu B, Ding Z, Dang Y, Wu J, Li D, Liu X, Xiao B, Zhang W, Ren R, Lei J, Hu H, Chen C, Chan P, Li D, Qu J, Tang F, Liu GH. ATF6 safeguards organelle homeostasis and cellular aging in human mesenchymal stem cells. Cell Discov 2018; 4:2. [PMID: 29423270 PMCID: PMC5798892 DOI: 10.1038/s41421-017-0003-0] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 10/19/2017] [Accepted: 11/28/2017] [Indexed: 12/20/2022] Open
Abstract
Loss of organelle homeostasis is a hallmark of aging. However, it remains elusive how this occurs at gene expression level. Here, we report that human mesenchymal stem cell (hMSC) aging is associated with dysfunction of double-membrane organelles and downregulation of transcription factor ATF6. CRISPR/Cas9-mediated inactivation of ATF6 in hMSCs, not in human embryonic stem cells and human adipocytes, results in premature cellular aging, characteristic of loss of endomembrane homeostasis. Transcriptomic analyses uncover cell type-specific constitutive and stress-induced ATF6-regulated genes implicated in various layers of organelles’ homeostasis regulation. FOS was characterized as a constitutive ATF6 responsive gene, downregulation of which contributes to hMSC aging. Our study unravels the first ATF6-regulated gene expression network related to homeostatic regulation of membrane organelles, and provides novel mechanistic insights into aging-associated attrition of human stem cells.
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Affiliation(s)
- Si Wang
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,2State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China.,4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China
| | - Boqiang Hu
- 5Beijing Advanced Innovation Center for Genomics (ICG), College of Life Sciences, Peking University, 100871 Beijing, China.,6Peking-Tsinghua Center for Life Sciences, Peking University, 100871 Beijing, China
| | - Zhichao Ding
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Yujiao Dang
- 5Beijing Advanced Innovation Center for Genomics (ICG), College of Life Sciences, Peking University, 100871 Beijing, China.,6Peking-Tsinghua Center for Life Sciences, Peking University, 100871 Beijing, China
| | - Jun Wu
- 7Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037 USA
| | - Di Li
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Xiaoling Liu
- 8School of Pharmaceutical Sciences, Tsinghua-Peking Joint Center for Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University, 100084 Beijing, China
| | - Bailong Xiao
- 8School of Pharmaceutical Sciences, Tsinghua-Peking Joint Center for Life Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University, 100084 Beijing, China
| | - Weiqi Zhang
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China
| | - Ruotong Ren
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China
| | - Jinghui Lei
- 4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China
| | - Huifang Hu
- 2State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Chang Chen
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Piu Chan
- 4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China
| | - Dong Li
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Jing Qu
- 2State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China.,4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China
| | - Fuchou Tang
- 5Beijing Advanced Innovation Center for Genomics (ICG), College of Life Sciences, Peking University, 100871 Beijing, China.,6Peking-Tsinghua Center for Life Sciences, Peking University, 100871 Beijing, China.,9Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, 100871 Beijing, China.,10Biomedical Institute for Pioneering Investigation via Convergence, Peking University, 100871 Beijing, China
| | - Guang-Hui Liu
- 1National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 100101 Beijing, China.,3University of Chinese Academy of Sciences, 100049 Beijing, China.,4National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, 100053 Beijing, China.,11Key Laboratory of Regenerative Medicine of Ministry of Education, Institute of Aging and Regenerative Medicine, Jinan University, 510632 Guangzhou, China
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Spermatogonial stem cell transplantation and male infertility: Current status and future directions. Arab J Urol 2017; 16:171-180. [PMID: 29713548 PMCID: PMC5922182 DOI: 10.1016/j.aju.2017.11.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 11/25/2017] [Accepted: 11/26/2017] [Indexed: 01/07/2023] Open
Abstract
Objective To summarise the current state of research into spermatogonial stem cell (SSC) therapies with a focus on future directions, as SSCs show promise as a source for preserving or initiating fertility in otherwise infertile men. Materials and methods We performed a search for publications addressing spermatogonial stem cell transplantation in the treatment of male infertility. The search engines PubMed and Google Scholar were used from 1990 to 2017. Search terms were relevant for spermatogonial stem cell therapies. Titles of publications were screened for relevance; abstracts were read, if related and full papers were reviewed for directly pertinent original research. Results In all, 58 papers were found to be relevant to this review, and were included in appropriate subheadings. This review discusses the various techniques that SSCs are being investigated to treat forms of male infertility. Conclusions Evidence does not yet support clinical application of SSCs in humans. However, significant progress in the in vitro and in vivo development of SSCs, including differentiation into functional germ cells, gives reason for cautious optimism for future research.
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Key Words
- ART, assisted reproductive technologies
- Allograft
- BMP4, bone morphogenetic protein 4
- Bcl6b, B-Cell CLL/Lymphoma 6B
- CD(24)(34), cluster of differentiation (24)(34)
- FGF2, Fibroblast growth factor 2
- FISH, fluorescence in situ hybridisation
- Fertility preservation
- GDNF, glial cell line-derived neurotrophic factor
- ICSI, intracytoplasmic sperm injection
- ID4, inhibitor of differentiation 4
- KS, Klinefelter syndrome
- Male infertility
- Non-obstructive azoospermia
- Onco-fertility
- PGC, primordial germ cells
- PLZF, promyelocytic leukaemia zinc finger
- PRISMA, Preferred Reporting Items for Systematic Reviews and Meta-Analyses
- RA(R), retinoic acid (receptor)
- SPG, spermatogonia
- SSC, spermatogonial stem cell
- Stem cell therapy
- Stra8, stimulated by RA 8
- ZBTB, zinc finger and broad complex/Tramtrack/bric-a-brac
- c-Kit, KIT Proto-oncogene receptor tyrosine kinase
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Cannarella R, Condorelli RA, La Vignera S, Calogero AE. Effects of the insulin-like growth factor system on testicular differentiation and function: a review of the literature. Andrology 2017; 6:3-9. [PMID: 29195026 DOI: 10.1111/andr.12444] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 10/21/2017] [Accepted: 10/23/2017] [Indexed: 12/12/2022]
Abstract
We recently described the occurrence of cryptorchidism, oligoasthenoteratozoospermia, and genital abnormalities in patients with distal 15q chromosome structural abnormalities. This observation brought us to hypothesize that insulin-like growth factor (IGF) receptor (IGF1R), mapping on the 15q 26.3 chromosomal band, may be involved in testicular function. To further evaluate this topic, we reviewed in vitro and in vivo studies exploring the role of the IGF system [IGF1, IGF2, IGF1R, insulin receptor substrates (IRS)] at the testicular level both in animals and in humans. In animals, IGF1/IGF1R has been found to be involved in testicular development during embryogenesis, in Sertoli cell (SC) proliferation, and in germ cell (GS) proliferation and differentiation. Interestingly, IGF1R seems to mediate follicle-stimulating hormone (FSH) effects through the PI3K/AKT pathway. In humans, IGF1 directly increases testicular volume. The molecular pathways responsible for testicular differentiation and IGF1/IGF1R signaling are highly conserved among species; therefore, the IGF system may be involved in FSH signaling also in humans. We suggest a possible molecular pathway occurring in human SCs, which involves both IGF1 and FSH through the PI3K/AKT pathway. The acknowledgment of an IGF1 mediation of the FSH-induced effects may open new ways for a targeted therapy in idiopathic non-FSH-responder oligoasthenoteratozoospermia.
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Affiliation(s)
- R Cannarella
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - R A Condorelli
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - S La Vignera
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - A E Calogero
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
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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: 49] [Impact Index Per Article: 7.0] [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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48
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Hu X, Shen B, Liao S, Ning Y, Ma L, Chen J, Lin X, Zhang D, Li Z, Zheng C, Feng Y, Huang X, Han C. Gene knockout of Zmym3 in mice arrests spermatogenesis at meiotic metaphase with defects in spindle assembly checkpoint. Cell Death Dis 2017; 8:e2910. [PMID: 28661483 PMCID: PMC5520888 DOI: 10.1038/cddis.2017.228] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/14/2017] [Accepted: 04/19/2017] [Indexed: 01/06/2023]
Abstract
ZMYM3, a member of the MYM-type zinc finger protein family and a component of a LSD1-containing transcription repressor complex, is predominantly expressed in the mouse brain and testis. Here, we show that ZMYM3 in the mouse testis is expressed in somatic cells and germ cells until pachytene spermatocytes. Knockout (KO) of Zmym3 in mice using the CRISPR-Cas9 system resulted in adult male infertility. Spermatogenesis of the KO mice was arrested at the metaphase of the first meiotic division (MI). ZMYM3 co-immunoprecipitated with LSD1 in spermatogonial stem cells, but its KO did not change the levels of LSD1 or H3K4me1/2 or H3K9me2. However, Zmym3 KO resulted in elevated numbers of apoptotic germ cells and of MI spermatocytes that are positive for BUB3, which is a key player in spindle assembly checkpoint. Zmym3 KO also resulted in up-regulated expression of meiotic genes in spermatogonia. These results show that ZMYM3 has an essential role in metaphase to anaphase transition during mouse spermatogenesis by regulating the expression of diverse families of genes.
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Affiliation(s)
- Xiangjing Hu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bin Shen
- State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing 210029, China
| | - Shangying Liao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yan Ning
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Longfei Ma
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Chen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing 210029, China
| | - Xiwen Lin
- 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.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhen Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chunwei Zheng
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanmin Feng
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.,State Key Laboratory of Reproductive Medicine, Department of Histology and Embryology, Nanjing Medical University, Nanjing 210029, China
| | - Xingxu Huang
- School of Life Science and Technology, Shanghai Tech University, Shanghai 201210, China
| | - Chunsheng Han
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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49
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Yao J, Zuo H, Gao J, Wang M, Wang D, Li X. The effects of IGF-1 on mouse spermatogenesis using an organ culture method. Biochem Biophys Res Commun 2017; 491:840-847. [PMID: 28552527 DOI: 10.1016/j.bbrc.2017.05.125] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 05/22/2017] [Indexed: 01/15/2023]
Abstract
Currently available organ culture methods can induce the differentiation of spermatogonial stem cells (SSCs) to spermatids in vitro, but the percentages of haploid cells and elongated spermatids are extremely low. The goal of this study was to test strategies to increase the differentiation rate of SSCs into elongated spermatids in vitro. RNA-seq was performed from forty round spermatids isolated by laser capture microdissection from cultured mouse testicular fragments (MTFs) or 27 days post-partum testes. Gene Ontology (GO) and KEGG analysis of the transcriptome revealed that many cell cycle and apoptosis-associated genes were among the differently expressed genes. Quantitative real-time PCR confirmed that the expression of Ccnd3 decreased and the expression of Trp53, Casp8 and Cyct increased in round spermatids from cultured MTFs. As insulin-like growth factor (IGF-1) can regulate cell cycle and apoptosis of many kinds of cells, the expression of Igf-1 decreased in cultured MTFs and IGF-1 receptor expressed strongly in germ cells, IGF-1 was added to the basal medium. IGF-1 increased the percentages of round and elongated spermatids by decreasing the apoptosis of germ cells and increasing the density of germ cells in cultured MTFs. These results indicate that IGF-1 plays a critical role in spermatogenesis from SSCs.
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Affiliation(s)
- Jianfei Yao
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Haiyang Zuo
- The Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Jun Gao
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Mingming Wang
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Dong Wang
- The Key Laboratory for Farm Animal Genetic Resources and Utilization of Ministry of Agriculture of China, Institute of Animal Science, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Xiangdong Li
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, China.
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50
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Jin B, Cai B, Sun D, Zhang X, Cui Y, Deng W, Gao C. Yangjing Capsule extract promotes proliferation of GC-1 spg cells via up-regulated POU3F1 pathway. Biosci Trends 2017; 11:95-104. [PMID: 28154340 DOI: 10.5582/bst.2016.01211] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
As is similar to glial cell line-derived neurotrophic factor (GDNF), the Yangjing Capsule (YC) extract could also lead to proliferation of spermatogonial stem cells (SSCs) by stimulating the phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT) pathway; however, the regulatory effect of YC extract on the expression of POU3F1 still remains unknown. The objective of this study is to determine whether the transcription factor POU3F1 is up-regulated by YC extract through the PI3K/AKT signaling pathway to regulate SSCs survival and proliferation. Cultured GC-1 spermatogonial (spg) cells were treated with 0.01, 0.1, and 1 mg/mL YC extract for 48 h. Cell viability was analyzed using MTT assay, while POU3F1 expression was quantitatively detected using real time-polymerase chain reaction and Western blot analysis. POU3F1, GDNF family receptor alpha1 (GFRα1) short interfering ribonucleic acid (siRNA), and LY294002 (PI3K inhibitor) were applied as blockers to explore the underlying pathway. After 48 h treatment with YC extract, GC-1 spg cells proliferated and POU3F1 expression was significantly increased in a dose-dependent manner. POU3F1 siRNA partially blocked those effects of YC extract. Both GFRα1 siRNA and LY294002, as upstream blockers, reduced POU3F1 expression induced by YC extract. The conclusion is that YC extract promotes proliferation of GC-1 spg cells via up-regulation of POU3F1. The potential mechanism is that YC extract triggers the activation of the PI3K/AKT pathway and then up-regulates POU3F1 expression.
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Affiliation(s)
- Baofang Jin
- Andrology Department of Integrative Medicine, Zhongda Hospital, School of Medicine, Southeast University
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