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Kyrgiafini MA, Giannoulis T, Chatziparasidou A, Mamuris Z. Elucidating the Role of OXPHOS Variants in Asthenozoospermia: Insights from Whole Genome Sequencing and an In Silico Analysis. Int J Mol Sci 2024; 25:4121. [PMID: 38612930 PMCID: PMC11012272 DOI: 10.3390/ijms25074121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/31/2024] [Accepted: 04/05/2024] [Indexed: 04/14/2024] Open
Abstract
Infertility is a global health challenge that affects an estimated 72.4 million people worldwide. Between 30 and 50% of these cases involve male factors, showcasing the complex nature of male infertility, which can be attributed to both environmental and genetic determinants. Asthenozoospermia, a condition characterized by reduced sperm motility, stands out as a significant contributor to male infertility. This study explores the involvement of the mitochondrial oxidative phosphorylation (OXPHOS) system, crucial for ATP production and sperm motility, in asthenozoospermia. Through whole-genome sequencing and in silico analysis, our aim was to identify and characterize OXPHOS gene variants specific to individuals with asthenozoospermia. Our analysis identified 680,099 unique variants, with 309 located within OXPHOS genes. Nine of these variants were prioritized due to their significant implications, such as potential associations with diseases, effects on gene expression, protein function, etc. Interestingly, none of these variants had been previously associated with male infertility, opening up new avenues for research. Thus, through our comprehensive approach, we provide valuable insights into the genetic factors that influence sperm motility, laying the foundation for future research in the field of male infertility.
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Affiliation(s)
- Maria-Anna Kyrgiafini
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500 Larissa, Greece
| | - Themistoklis Giannoulis
- Laboratory of Biology, Genetics and Bioinformatics, Department of Animal Sciences, University of Thessaly, Gaiopolis, 41336 Larissa, Greece
| | - Alexia Chatziparasidou
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500 Larissa, Greece
- Embryolab IVF Unit, St. 173-175 Ethnikis Antistaseos, Kalamaria, 55134 Thessaloniki, Greece
| | - Zissis Mamuris
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500 Larissa, Greece
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Romeo-Cardeillac C, Trovero MF, Radío S, Smircich P, Rodríguez-Casuriaga R, Geisinger A, Sotelo-Silveira J. Uncovering a multitude of stage-specific splice variants and putative protein isoforms generated along mouse spermatogenesis. BMC Genomics 2024; 25:295. [PMID: 38509455 PMCID: PMC10953240 DOI: 10.1186/s12864-024-10170-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 02/28/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Mammalian testis is a highly complex and heterogeneous tissue. This complexity, which mostly derives from spermatogenic cells, is reflected at the transcriptional level, with the largest number of tissue-specific genes and long noncoding RNAs (lncRNAs) compared to other tissues, and one of the highest rates of alternative splicing. Although it is known that adequate alternative-splicing patterns and stage-specific isoforms are critical for successful spermatogenesis, so far only a very limited number of reports have addressed a detailed study of alternative splicing and isoforms along the different spermatogenic stages. RESULTS In the present work, using highly purified stage-specific testicular cell populations, we detected 33,002 transcripts expressed throughout mouse spermatogenesis not annotated so far. These include both splice variants of already annotated genes, and of hitherto unannotated genes. Using conservative criteria, we uncovered 13,471 spermatogenic lncRNAs, which reflects the still incomplete annotation of lncRNAs. A distinctive feature of lncRNAs was their lower number of splice variants compared to protein-coding ones, adding to the conclusion that lncRNAs are, in general, less complex than mRNAs. Besides, we identified 2,794 unannotated transcripts with high coding potential (including some arising from yet unannotated genes), many of which encode unnoticed putative testis-specific proteins. Some of the most interesting coding splice variants were chosen, and validated through RT-PCR. Remarkably, the largest number of stage-specific unannotated transcripts are expressed during early meiotic prophase stages, whose study has been scarcely addressed in former transcriptomic analyses. CONCLUSIONS We detected a high number of yet unannotated genes and alternatively spliced transcripts along mouse spermatogenesis, hence showing that the transcriptomic diversity of the testis is considerably higher than previously reported. This is especially prominent for specific, underrepresented stages such as those of early meiotic prophase, and its unveiling may constitute a step towards the understanding of their key events.
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Affiliation(s)
- Carlos Romeo-Cardeillac
- Laboratory of Molecular Biology of Reproduction, Department of Molecular Biology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), 11,600, Montevideo, Uruguay
- Department of Genomics, IIBCE, 11,600, Montevideo, Uruguay
| | - María Fernanda Trovero
- Laboratory of Molecular Biology of Reproduction, Department of Molecular Biology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), 11,600, Montevideo, Uruguay
- Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Santiago Radío
- Department of Genomics, IIBCE, 11,600, Montevideo, Uruguay
| | - Pablo Smircich
- Department of Genomics, IIBCE, 11,600, Montevideo, Uruguay
| | - Rosana Rodríguez-Casuriaga
- Laboratory of Molecular Biology of Reproduction, Department of Molecular Biology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), 11,600, Montevideo, Uruguay
| | - Adriana Geisinger
- Laboratory of Molecular Biology of Reproduction, Department of Molecular Biology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), 11,600, Montevideo, Uruguay.
- Biochemistry-Molecular Biology, Facultad de Ciencias, Universidad de la República (UdelaR), 11,400, Montevideo, Uruguay.
| | - José Sotelo-Silveira
- Department of Genomics, IIBCE, 11,600, Montevideo, Uruguay.
- Department of Cell and Molecular Biology, Facultad de Ciencias, UdelaR, 11,400, Montevideo, Uruguay.
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Zhang L, Sun H, Chen X. Long noncoding RNAs in human reproductive processes and diseases. Mol Reprod Dev 2024; 91:e23728. [PMID: 38282314 DOI: 10.1002/mrd.23728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 11/22/2023] [Accepted: 12/19/2023] [Indexed: 01/30/2024]
Abstract
Infertility has become a global disease burden. Although assisted reproductive technologies are widely used, the assisted reproduction birth rate is no more than 30% worldwide. Therefore, understanding the mechanisms of reproduction can provide new strategies to improve live birth rates and clinical outcomes of enhanced implantation. Long noncoding RNAs (lncRNAs) have been reported to exert regulatory roles in various biological processes and diseases in many species. In this review, we especially focus on the role of lncRNAs in human reproduction. We summarize the function and mechanisms of lncRNAs in processes vital to reproduction, such as spermatogenesis and maturation, sperm motility and morphology, follicle development and maturation, embryo development and implantation. Then, we highlight the importance and diverse potential of lncRNAs as good diagnostic molecular biomarkers and therapeutic targets for infertility treatment.
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Affiliation(s)
- Le Zhang
- Center for Reproductive Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Hailong Sun
- Center for Reproductive Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Xiujuan Chen
- Center for Reproductive Medicine, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
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Hua R, Chu Q, Guo F, Chen Q, Li M, Zhou X, Zhu Y. DNM3OS Enhances the Apoptosis and Senescence of Spermatogonia Associated with Nonobstructive Azoospermia by Providing miR-214-5p and Decreasing E2F2 Expression. Anal Cell Pathol (Amst) 2023; 2023:1477658. [PMID: 38152068 PMCID: PMC10752680 DOI: 10.1155/2023/1477658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/24/2023] [Accepted: 12/01/2023] [Indexed: 12/29/2023] Open
Abstract
Background Nonobstructive azoospermia (NOA) is a complex disease characterized by the spermatogenic dysfunction of testicular tissues. The roles played by long noncoding RNAs (lncRNAs) in NOA pathogenesis have not been extensively studied. Methods Microarray assays were performed on samples of testicular biopsy tissue obtained from patients with NOA for the purpose of identifying differentially expressed lncRNAs and messenger RNA (mRNA) transcripts, and the results were verified by quantitative real-time polymerase chain reaction. Mouse-derived GC-1 spermatogonia (spg) cells undergoing treatment with Adriamycin (ADR) were used to investigate the biological functions of the selected lncRNAs in vitro. The target microRNAs (miRNAs) of lncRNAs and the target mRNAs of miRNAs were predicted by a bioinformatics analysis. Functional studies performed using the CCK-8 assay, EdU incorporation assay, apoptosis detection, and senescence-associated β-galactosidase (SA-β-Gal) staining were conducted using GC-1 spg cells. Results Totals of 2,652 lncRNAs and 2,625 mRNAs were found to be differentially expressed in the testicular tissue of NOA patients when compared with patients in a control group. Dynamin 3 opposite strand (DNM3OS) was a provider of pe-miR-214-5p that positively regulates miR-214-5p expression in GC-1 spg cells. The E2 factor (E2F) family of transcription factor 2 (E2F2) was initially predicted and subsequently verified to be a downstream gene of miR-214-5p. E2F2 expression was upregulated after DNM3OS knockdown in ADR-treated GC-1 spg cells. Moreover, knockdown of either DNM3OS or miR-214-5p significantly alleviated ADR-induced decreases in cellular activity and proliferation, as well as increases in apoptosis and senescence of mouse spermatogonial GC-1 spg cells. Conclusions DNM3OS was found to regulate the apoptosis and senescence of spermatogonia by providing miR-214-5p and decreasing E2F2 expression, suggesting it as a novel target for gene therapy of male infertility.
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Affiliation(s)
- Rui Hua
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qingjun Chu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Feiyan Guo
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qinjie Chen
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Maocai Li
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xuan Zhou
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yongtong Zhu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Chen C, Lin X, Tang Y, Sun H, Yin L, Luo Z, Wang S, Liang P, Jiang B. LncRNA Fendrr: involvement in the protective role of nucleolin against H 2O 2-induced injury in cardiomyocytes. Redox Rep 2023; 28:2168626. [PMID: 36719027 PMCID: PMC9891159 DOI: 10.1080/13510002.2023.2168626] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Background: Nucleolin is a multifunctional nucleolar protein with RNA-binding properties. Increased nucleolin expression protects cells from H2O2-induced damage, but the mechanism remains unknown. Long noncoding RNAs (lncRNAs) play crucial roles in cardiovascular diseases. However, the biological functions and underlying mechanisms of lncRNAs in myocardial injury remain unclear.Methods: In a nucleolin-overexpressing cardiac cell line, high-throughput technology was used to identify lncRNAs controlled by nucleolin. Cell counting kit-8 assay was used to determine cell viability, lactate dehydrogenase (LDH) assay to detect cell death, caspase activity assay and propidium iodide staining to confirm cell apoptosis, and RNA immunoprecipitation to examine the interaction between Fendrr and nucleolin.Results: We found that Fendrr expression was significantly downregulated in mouse hearts subjected to myocardial ischemia-reperfusion (MI/R) injury. High Fendrr expression abrogated H2O2-mediated injury in cardiomyocytes as evidenced by increased cell viability and decreased cell apoptosis. Conversely, Fendrr knockdown exacerbated the cardiomyocytes injury. Also, nucleolin overexpression inhibits Fendrr downregulation in H2O2-induced cardiomyocyte injury. Fendrr overexpression significantly reversed the role of the suppression of nucleolin expression in H2O2-induced cardiomyocytes.Conclusion: LncRNA Fendrr is involved in the cardioprotective effect of nucleolin against H2O2-induced injury and may be a potential therapeutic target for oxidative stress-induced myocardial injury.
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Affiliation(s)
- Cheng Chen
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Xiaofang Lin
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Yuting Tang
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Hui Sun
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Leijing Yin
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Zhengyang Luo
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Shuxin Wang
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
| | - Pengfei Liang
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, People’s Republic of China
| | - Bimei Jiang
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, People’s Republic of China
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Doghish AS, Moustafa HAM, Elballal MS, Sallam AAM, El-Dakroury WA, Abdel Mageed SS, Elesawy AE, Abdelmaksoud NM, Shahin RK, Midan HM, Elrebehy MA, Elazazy O, Nassar YA, Elazab IM, Elballal AS, Elballal MS, Abulsoud AI. The potential role of miRNAs in the pathogenesis of testicular germ cell tumors - A Focus on signaling pathways interplay. Pathol Res Pract 2023; 248:154611. [PMID: 37315401 DOI: 10.1016/j.prp.2023.154611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/04/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
Testicular germ cell tumors (TGCTs) are the most common testicular neoplasms in adolescents and young males. Understanding the genetic basis of TGCTs represents a growing need to cope with the increased incidence of these neoplasms. Although the cure rates have been comparatively increased, investigation of mechanisms underlying the incidence, progression, metastasis, recurrence, and therapy resistance is still necessary. Early diagnosis and non-compulsory clinical therapeutic agents without long-term side effects are now required to reduce the cancer burden, especially in the younger age groups. MicroRNAs (miRNAs) control an extensive range of cellular functions and exhibit a pivotal action in the development and spreading of TGCTs. Because of their dysregulation and disruption in function, miRNAs have been linked to the malignant pathophysiology of TGCTs by influencing many cellular functions involved in the disease. These biological processes include increased invasive and proliferative perspective, cell cycle dysregulation, apoptosis disruption, stimulation of angiogenesis, epithelial-mesenchymal transition (EMT) and metastasis, and resistance to certain treatments. Herein, we present an up-to-date review of the biogenesis of miRNAs, miRNA regulatory mechanisms, clinical challenges, and therapeutic interventions of TGCTs, and role of nanoparticles in the treatment of TGCTs.
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Affiliation(s)
- Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt.
| | - Hebatallah Ahmed Mohamed Moustafa
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohammed S Elballal
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Al-Aliaa M Sallam
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Walaa A El-Dakroury
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Sherif S Abdel Mageed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed E Elesawy
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | | | - Reem K Shahin
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Heba M Midan
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mahmoud A Elrebehy
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
| | - Ola Elazazy
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Yara A Nassar
- Biology Department, School of Biotechnology, Badr University in Cairo, Badr City, Cairo 11829, Egypt
| | - Ibrahim M Elazab
- Biochemistry Department, Faculty of Pharmacy, Tanta University, Egypt
| | - Ahmed S Elballal
- Department of Dentistry, Medical Administration, University of Sadat, City Menoufia 32897, Egypt
| | | | - Ahmed I Abulsoud
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt; Biochemistry Department, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
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Nuñez-Corona D, Contreras-Sanzón E, Puente-Rivera J, Arreola R, Camacho-Nuez M, Cruz Santiago J, Estrella-Parra EA, Torres-Romero JC, López-Camarillo C, Alvarez-Sánchez ME. Epigenetic Factors and ncRNAs in Testicular Cancer. Int J Mol Sci 2023; 24:12194. [PMID: 37569569 PMCID: PMC10418327 DOI: 10.3390/ijms241512194] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
Testicular cancer is the most prevalent tumor among males aged 15 to 35, resulting in a significant number of newly diagnosed cases and fatalities annually. Non-coding RNAs (ncRNAs) have emerged as key regulators in various cellular processes and pathologies, including testicular cancer. Their involvement in gene regulation, coding, decoding, and overall gene expression control suggests their potential as targets for alternative treatment approaches for this type of cancer. Furthermore, epigenetic modifications, such as histone modifications, DNA methylation, and the regulation by microRNA (miRNA), have been implicated in testicular tumor progression and treatment response. Epigenetics may also offer critical insights for prognostic evaluation and targeted therapies in patients with testicular germ cell tumors (TGCT). This comprehensive review aims to present the latest discoveries regarding the involvement of some proteins and ncRNAs, mainly miRNAs and lncRNA, in the epigenetic aspect of testicular cancer, emphasizing their relevance in pathogenesis and their potential, given the fact that their specific expression holds promise for prognostic evaluation and targeted therapies.
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Affiliation(s)
- David Nuñez-Corona
- Posgrado en Ciencias Genómicas, Universidad Autónoma De México (UACM), San Lorenzo 290, Col. Del Valle, México City 03100, Mexico
| | - Estefania Contreras-Sanzón
- Posgrado en Ciencias Genómicas, Universidad Autónoma De México (UACM), San Lorenzo 290, Col. Del Valle, México City 03100, Mexico
| | | | - Rodrigo Arreola
- Departamento De Genética, Instituto Nacional De Psiquiatría “Ramón De la Fuente Muñiz”, Calz. Mexico, Xochimilco 101, Col. Huipulco, Tlalpan, México City 14370, Mexico
| | - Minerva Camacho-Nuez
- Posgrado en Ciencias Genómicas, Universidad Autónoma De México (UACM), San Lorenzo 290, Col. Del Valle, México City 03100, Mexico
| | - José Cruz Santiago
- Hospital De Especialidades Centro Médico Nacional La Raza, IMSS, México City 02990, Mexico
| | - Edgar Antonio Estrella-Parra
- Laboratorio De Fitoquímica, UBIPRO, FES-Iztacala, Unidad Nacional Autónoma de México, Av. De los Barrios No.1, Los Reyes Iztacala, Tlalnepantla 54090, Mexico
| | - Julio César Torres-Romero
- Laboratorio De Bioquímica y Genética Molecular, Facultad De Química, Universidad Autónoma De Yucatán, Calle 43 s/n x Calle 96, Paseo De las Fuentes y 40, Col. Inalambrica, Yucatán 97069, Mexico
| | - César López-Camarillo
- Posgrado en Ciencias Genómicas, Universidad Autónoma De México (UACM), San Lorenzo 290, Col. Del Valle, México City 03100, Mexico
| | - María Elizbeth Alvarez-Sánchez
- Posgrado en Ciencias Genómicas, Universidad Autónoma De México (UACM), San Lorenzo 290, Col. Del Valle, México City 03100, Mexico
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Garrido N, Boitrelle F, Saleh R, Durairajanayagam D, Colpi G, Agarwal A. Sperm epigenetics landscape: correlation with embryo quality, reproductive outcomes and offspring's health. Panminerva Med 2023; 65:166-178. [PMID: 37335245 DOI: 10.23736/s0031-0808.23.04871-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Epigenetics refers to how gene expression and function are modulated without modifying the DNA sequence but through subtle molecular changes or interactions with it. As spermatogenesis progresses, male germ cells suffer plenty of epigenetic modifications, resulting in the definitive epigenome of spermatozoa conditioning its functionality, and this process can be altered by several internal and external factors. The paternal epigenome is crucial for sperm function, fertilization, embryo development, and offspring's health, and altered epigenetic states are associated with male infertility with or without altered semen parameters, embryo quality impairment, and worse ART outcomes together with the future offspring's health risks mainly through intergenerational transmission of epigenetic marks. Identifying epigenetic biomarkers may improve male factor diagnosis and the development of targeted therapies, not only to improve fertility but also to allow an early detection of risk and disease prevention in the progeny. While still there is much research to be done, hopefully in the near future, improvements in high-throughput technologies applied to epigenomes will permit our understanding of the underlying epigenetic mechanisms and the development of diagnostics and therapies leading to improved reproductive outcomes. In this review, we discuss the mechanisms of epigenetics in sperm and how epigenetics behave during spermatogenesis. Additionally, we elaborate on the relationship of sperm epigenetics with sperm parameters and male infertility, and highlight the impact of sperm epigenetic alterations on sperm parameters, embryo quality, ART outcomes, miscarriage rates and offspring's health. Furthermore, we provide insights into the future research of epigenetic alterations in male infertility.
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Affiliation(s)
- Nicolás Garrido
- Global Andrology Forum, Moreland Hills, OH, USA
- IVI Foundation, Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Florence Boitrelle
- Global Andrology Forum, Moreland Hills, OH, USA
- Reproductive Biology, Fertility Preservation, Andrology, CECOS, Poissy Hospital, Poissy, France
- Paris Saclay University, UVSQ, INRAE, BREED, Jouy-en-Josas, France
| | - Ramadan Saleh
- Global Andrology Forum, Moreland Hills, OH, USA
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Sohag University, Sohag, Egypt
| | - Damayanthi Durairajanayagam
- Global Andrology Forum, Moreland Hills, OH, USA
- Department of Physiology, Faculty of Medicine, Universiti Teknologi MARA, Selangor, Malaysia
| | - Giovanni Colpi
- Global Andrology Forum, Moreland Hills, OH, USA
- Next Fertility Procrea, Lugano, Switzerland
| | - Ashok Agarwal
- Global Andrology Forum, Moreland Hills, OH, USA -
- American Center for Reproductive Medicine, Cleveland, OH, USA
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Kyrgiafini MA, Sarafidou T, Mamuris Z. The Role of Long Noncoding RNAs on Male Infertility: A Systematic Review and In Silico Analysis. BIOLOGY 2022; 11:biology11101510. [PMID: 36290414 PMCID: PMC9598197 DOI: 10.3390/biology11101510] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/08/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022]
Abstract
Male infertility is a complex disorder affecting many couples worldwide. Long noncoding RNAs (lncRNAs) regulate important cellular processes; however, a comprehensive understanding of their role in male infertility is limited. This systematic review investigates the differential expressions of lncRNAs in male infertility or variations in lncRNA regions associated with it. The PRISMA guidelines were used to search Pubmed and Web of Science (1 June 2022). Inclusion criteria were human participants, patients diagnosed with male infertility, and English language speakers. We also performed an in silico analysis investigating lncRNAs that are reported in many subtypes of male infertility. A total of 625 articles were found, and after the screening and eligibility stages, 20 studies were included in the final sample. Many lncRNAs are deregulated in male infertility, and interactions between lncRNAs and miRNAs play an important role. However, there is a knowledge gap regarding the impact of variants found in lncRNA regions. Furthermore, eight lncRNAs were identified as differentially expressed in many subtypes of male infertility. After in silico analysis, gene ontology (GO) and KEGG enrichment analysis of the genes targeted by them revealed their association with bladder and prostate cancer. However, pathways involved in general in tumorigenesis and cancer development of all types, such as p53 pathways, apoptosis, and cell death, were also enriched, indicating a link between cancer and male infertility. This evidence, however, is preliminary. Future research is needed to explore the exact mechanism of action of the identified lncRNAs and investigate the association between male infertility and cancer.
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Liu L, Zhang H, Lu X, Li L, Wang T, Li S, Wang X, Xu S, Li L, Li Q, Yi T, Wu T, Chen Z, Gao H, Wang J, Wang L. LncRNA LINC00680 Acts as a Competing Endogenous RNA and Is Associated With the Severity of Myasthennia Gravis. Front Neurol 2022; 13:833062. [PMID: 35800083 PMCID: PMC9253289 DOI: 10.3389/fneur.2022.833062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 05/16/2022] [Indexed: 11/13/2022] Open
Abstract
Background and PurposeMyasthenia gravis (MG) is a T cell-dependent antibody-mediated autoimmune disorder that can seriously affect patients' quality of life. However, few studies have focused on the severity of MG. Moreover, existing therapeutic efforts, including those targeting biomarkers for MG, remain unsatisfactory. Therefore, it is vital that we investigate the pathogenesis of MG and identify new biomarkers that can not only evaluate the severity of the disease but also serve as potential therapeutic targets. Long noncoding RNA LINC00680 has been found to be associated with the progression of a variety of diseases as a competing endogenous RNA (ceRNA). However, the specific role of LINC00680 in MG has yet to be clarified. Here, we aimed to investigate the association between LINC00680 and the severity of MG.MethodsBioinformatics tools, quantitative real-time PCR, Western blotting, and luciferase assays were selected to investigate key signaling pathways and RNA expression in patients with MG. The Quantitative MG Score scale and the MG Composite scale were used to evaluate the severity of MG in the included patients. Cell viability assays and flow cytometry analysis were selected to analyze cell proliferation and apoptosis.ResultsCompared with control subjects, the expression levels of LINC00680 and mitogen-activated protein kinase 1 (MAPK1) in peripheral blood mononuclear cells of patients with MG were both upregulated; the levels of miR-320a were downregulated. A positive correlation was detected between LINC00680 expression and the severity of MG. Luciferase reporter assays identified that LINC00680 acts as a target for miR-320a. The in vitro analysis confirmed that LINC00680 regulates the expression of MAPK1 by sponging miR-320a. Finally, the functional analysis indicated that LINC00680 promoted Jurkat cell proliferation and inhibited cellular apoptosis by sponging miR-320a.ConclusionLINC00680 may be associated with the severity of MG as a ceRNA by sponging miR-320a to upregulate MAPK1. These findings suggest that LINC00680 may represent a potential biomarker which evaluates the severity of MG and may serve as a therapeutic target.
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Affiliation(s)
- Li Liu
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Department of Neurology, Heilongjiang Provincial Hospital, Harbin, China
| | - Huixue Zhang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaoyu Lu
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lifang Li
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tianfeng Wang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shuang Li
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xu Wang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Si Xu
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lei Li
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Qian Li
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tingting Yi
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Tao Wu
- Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Zhimin Chen
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongyu Gao
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jianjian Wang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- *Correspondence: Jianjian Wang
| | - Lihua Wang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
- Lihua Wang
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11
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An Y, Lee C. Mixed model-based eQTL analysis reveals lncRNAs associated with regulation of genes involved in sex determination and spermatogenesis: The key to understanding human gender imbalance. Comput Biol Chem 2022; 99:107713. [PMID: 35709667 DOI: 10.1016/j.compbiolchem.2022.107713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 05/23/2022] [Accepted: 06/02/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND An imbalance in the prenatal sex ratio in humans may be due to several factors affecting sperm physiology, including genetic features. In this study, we conducted a transcriptome-wide analysis of expression quantitative trait loci (eQTLs) to identify target genes associated with previously described QTLs associated with gender imbalance. METHODS A mixed model explaining polygenic effects by genomic covariance among individuals was used to identify the eQTLs using gene expression and genotype data from 462 European/African individuals. RESULTS Eight eGenes were associated with four QTLs (P < 4.00 × 10-5), with strong associations found (P < 4.00 × 10-8) between rs2485007 and eGenes ANKRD26P3 (P = 3.40 × 10-9) and LINC00421 (P = 1.35 × 10-9). ANKRD26P3 and LINC00421 are both lncRNAs associated with the control of testis-dominant genes PELP1, TAF15, NANOG, TEX14, TCF3, ZNF433, ZNF555, TEX37, FATE1, TCP11, and CYLC2 and Y-linked genes SRY and ZFY, as well as several genes with roles in spermatogenesis (ODF1, SPATC1, SPATA3, SPATA31E1, SPERT, SPATA16, MOSPD1, SPATA24, and SPO11) and sex determination (SOX family genes). CONCLUSIONS The above eGenes contribute directly or indirectly to gene regulation for sex determination and spermatogenesis, thereby serving as important functional clues for gender-biased selection.
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Affiliation(s)
- Yeeun An
- Department of Bioinformatics and Life Science, Soongsil University, 369 Sangdo-ro, Dongjak-gu, Seoul 06978, the Republic of Korea
| | - Chaeyoung Lee
- Department of Bioinformatics and Life Science, Soongsil University, 369 Sangdo-ro, Dongjak-gu, Seoul 06978, the Republic of Korea.
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12
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Guo J, Wang S, Jiang Z, Tang L, Liu Z, Cao J, Hu Z, Chen X, Luo Y, Bo H. Long Non-Coding RNA RFPL3S Functions as a Biomarker of Prognostic and Immunotherapeutic Prediction in Testicular Germ Cell Tumor. Front Immunol 2022; 13:859730. [PMID: 35669771 PMCID: PMC9165694 DOI: 10.3389/fimmu.2022.859730] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/21/2022] [Indexed: 11/29/2022] Open
Abstract
The incidence of testicular germ cell tumor (TGCT) is currently on the rise worldwide, of which 15%-30% of patients have occur recurrence and metastasis. However, clinical methods for diagnosing TGCT and judging its prognosis remained inadequate. In this study, we aimed to explore the possibility of testis-specific long-chain non-coding RNA (lncRNA) Ret finger protein-like 3S (RFPL3S) as a biomarker for TGCT diagnosis, prognosis, and treatment response by reviewing the TGCT gene expression data in Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases. The cohort data and DNA methylation data of TGCT in TCGA were downloaded from TGCA, UCSC XENA, and GEO. The bioinformatic tools were used, including GEPIA2, Kaplan-Meier Plotter, LinkedOmics, UCSC XENA, Sangerbox Tools, GSCA, and Tumor Immune Dysfunction and Exclusion. Compared with normal testicular tissues, the RFPL3S expression was significantly reduced in TGCT, and was significantly negatively correlated with the patient’s Tumor, Node, Metastasis stage. Hypermethylation and low copy number of RFPL3S were present in TGCT, and low RFPL3S was associated with short disease-free and progression-free intervals. Silencing RFPL3S significantly enhanced the invasion ability and proliferation ability of TGCT cells as evaluated by Transwell and CCK-8 experiments. Additionally, RFPL3S expression was positively correlated with the infiltration of immune-activating cells such as B cells, CD8+ T cells, cytotoxic T cells, and natural killer cells, and negatively correlated with the infiltration of immunosuppressive cells such as Th17 and Th2. Higher RFPL3S expression was present in patients with immunotherapy benefits. In conclusion, we determined that the testis-specific lncRNA RFPL3S functioned as a tumor suppressor in TGCT and could be used as a prognostic predictor of TGCT, as well as a marker to predict the effect of TGCT immunotherapy.
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Affiliation(s)
- Jie Guo
- National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha, China
- China National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Shuang Wang
- Medical Research Center and Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, China
| | - Zhenzhen Jiang
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Le Tang
- Reproductive Medicine Center, Maternal and Child Health Care Hospital of Hunan Province, Changsha, China
| | - Zhizhong Liu
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Jian Cao
- Department of Urology, Hunan Cancer Hospital, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Zhaolan Hu
- Department of Anesthesiology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiao Chen
- Department of Cosmedic, The First People’s Hospital of Changde City, Changde, China
| | - Yanwei Luo
- Department of Blood Transfusion, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Hao Bo
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
- Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
- *Correspondence: Hao Bo,
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13
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Botezatu A, Vladoiu S, Fudulu A, Albulescu A, Plesa A, Muresan A, Stancu C, Iancu IV, Diaconu CC, Velicu A, Popa OM, Badiu C, Dinu-Draganescu D. Advanced molecular approaches in male infertility diagnosis. Biol Reprod 2022; 107:684-704. [PMID: 35594455 DOI: 10.1093/biolre/ioac105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 04/29/2022] [Accepted: 05/11/2022] [Indexed: 11/13/2022] Open
Abstract
In the recent years a special attention has been given to a major health concern namely to male infertility, defined as the inability to conceive after 12 months of regular unprotected sexual intercourse, taken into account the statistics that highlight that sperm counts have dropped by 50-60% in recent decades. According to the WHO, infertility affects approximately 9% of couples globally, and the male factor is believed to be present in roughly 50% of cases, with exclusive responsibility in 30%. The aim of this manuscript is to present an evidence-based approach for diagnosing male infertility that includes finding new solutions for diagnosis and critical outcomes, retrieving up-to-date studies and existing guidelines. The diverse factors that induce male infertility generated in a vast amount of data that needed to be analysed by a clinician before a decision could be made for each individual. Modern medicine faces numerous obstacles as a result of the massive amount of data generated by the molecular biology discipline. To address complex clinical problems, vast data must be collected, analysed, and used, which can be very challenging. The use of artificial intelligence (AI) methods to create a decision support system can help predict the diagnosis and guide treatment for infertile men, based on analysis of different data as environmental and lifestyle, clinical (sperm count, morphology, hormone testing, karyotype, etc.) and "omics" bigdata. Ultimately, the development of AI algorithms will assist clinicians in formulating diagnosis, making treatment decisions, and predicting outcomes for assisted reproduction techniques.
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Affiliation(s)
- A Botezatu
- "Stefan S. Nicolau" Institute of Virology, Bucharest, Romania
| | - S Vladoiu
- "CI Parhon" National Institute of Endocrinology, Bucharest, Romania
| | - A Fudulu
- "Stefan S. Nicolau" Institute of Virology, Bucharest, Romania
| | - A Albulescu
- "Stefan S. Nicolau" Institute of Virology, Bucharest, Romania.,National Institute for Chemical pharmaceutical Research & Development
| | - A Plesa
- "Stefan S. Nicolau" Institute of Virology, Bucharest, Romania
| | - A Muresan
- "CI Parhon" National Institute of Endocrinology, Bucharest, Romania
| | - C Stancu
- "CI Parhon" National Institute of Endocrinology, Bucharest, Romania
| | - I V Iancu
- "Stefan S. Nicolau" Institute of Virology, Bucharest, Romania
| | - C C Diaconu
- "Stefan S. Nicolau" Institute of Virology, Bucharest, Romania
| | - A Velicu
- "CI Parhon" National Institute of Endocrinology, Bucharest, Romania
| | - O M Popa
- "CI Parhon" National Institute of Endocrinology, Bucharest, Romania
| | - C Badiu
- "CI Parhon" National Institute of Endocrinology, Bucharest, Romania.,"Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania
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14
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Geng T, Heyward CA, Chen X, Zheng M, Yang Y, Reseland JE. Comprehensive Analysis Identifies Ameloblastin-Related Competitive Endogenous RNA as a Prognostic Biomarker for Testicular Germ Cell Tumour. Cancers (Basel) 2022; 14:cancers14081870. [PMID: 35454778 PMCID: PMC9030878 DOI: 10.3390/cancers14081870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/03/2022] [Accepted: 04/06/2022] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Testicular germ cell tumour is a common tumour in young males, and although it is one of the most curable cancers, many patients still experience recurrence after the chemotherapy. Tumour recurrence is not detected with high sensitivity by established blood tumour markers. Ameloblastin is identified as an extracellular matrix protein and has shown to be associated with tumour progression. We validated ameloblastin’s expression in testicular tissue, and used comprehensive bioinformatics analysis of 156 patients with testicular germ cell tumour to show that the level of ameloblastin was associated with the time of tumour recurrence after the first cure. In the analysis of ameloblastin differential genes in the tumour, a ceRNA (competing endogenous RNA) regulatory network associated with tumour diagnosis and an independent prognostic factor for the tumour, PELATON (Plaque Enriched LncRNA In Atherosclerotic And Inflammatory Bowel Macrophage Regulation), were identified, which could provide evidence for prediction of tumour prognosis. Abstract Testicular Germ Cell Tumour (TGCT) is one of the most common tumours in young men. Increasing evidence shows that the extracellular matrix has a key role in the prognosis and metastasis of various human cancers. This study analysed the relationship between the matrix protein ameloblastin (AMBN) and potential biological markers associated with TGCT diagnosis and prognosis. The relationship between AMBN and TGCT prognosis was determined by bioinformatic analysis using the expression profiles of three RNAs (long non-coding RNAs (lncRNAs), microRNAs (miRNAs) and mRNAs) from The Cancer Genome Atlas (TCGA) database, and available clinical information of the corresponding patients. Prediction and validation of competitive endogenous RNA (ceRNA) regulatory networks related to AMBN was performed. AMBN and its associated ceRNA regulatory network were found to be related to the recurrence of TGCT, and LINC02701 may be used as a diagnostic factor in TGCT. Furthermore, we identified PELATON (Plaque Enriched LncRNA In Atherosclerotic And Inflammatory Bowel Macrophage Regulation) as an independent prognostic factor for TGCT progression-free interval.
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Affiliation(s)
- Tianxiang Geng
- Department of Biomaterials, Faculty of Dentistry, University of Oslo, 0455 Oslo, Norway; (T.G.); (Y.Y.)
| | | | - Xi Chen
- Department of Medicine 3, Uni-Klinikum Erlangen, Ulmenweg 18, 91054 Erlangen, Bavaria, Germany;
| | - Mengxue Zheng
- Laboratory of Reproductive Biology, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark;
| | - Yang Yang
- Department of Biomaterials, Faculty of Dentistry, University of Oslo, 0455 Oslo, Norway; (T.G.); (Y.Y.)
| | - Janne Elin Reseland
- Department of Biomaterials, Faculty of Dentistry, University of Oslo, 0455 Oslo, Norway; (T.G.); (Y.Y.)
- Correspondence: ; Tel.: +47-9151-5962
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15
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Diverse Roles and Targets of miRNA in the Pathogenesis of Testicular Germ Cell Tumour. Cancers (Basel) 2022; 14:cancers14051190. [PMID: 35267498 PMCID: PMC8909779 DOI: 10.3390/cancers14051190] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/13/2022] Open
Abstract
Testicular germ cell tumour (TGCT) is the most common cancer type among young adults in many parts of the world. Although the pathogenesis of TGCT is not well understood, the involvement of heritable components is evident, and the risk is polygenic. Genome-wide association studies have so far found 78 susceptibility loci for TGCT, and many of the loci are in non-coding regions indicating the involvement of non-coding RNAs in TGCT pathogenesis. MicroRNAs (miRNAs), a class of non-coding RNAs, have emerged as important gene regulators at the post-transcriptional level. They are crucial in controlling many cellular processes, such as proliferation, differentiation, and apoptosis, and an aberrant miRNA expression may contribute to the pathogenesis of several cancers, including TGCT. In support of this notion, several studies reported differential expression of miRNAs in TGCTs. We previously demonstrated that miRNAs were the most common group of small non-coding RNAs in TGCTs, and several functional studies of miRNAs in TGCTs suggest that they may act as either oncogene or tumour suppressors. Moreover, individual miRNA targets and downstream pathways in the context of TGCT development have been explored. In this review, we will focus on the diverse roles and targets of miRNAs in TGCT pathogenesis.
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16
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Long Noncoding RNA Mediated Regulation in Human Embryogenesis, Pluripotency, and Reproduction. Stem Cells Int 2022; 2022:8051717. [PMID: 35103065 PMCID: PMC8800634 DOI: 10.1155/2022/8051717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/27/2021] [Indexed: 12/12/2022] Open
Abstract
Long noncoding RNAs (lncRNAs), a class of noncoding RNAs with more than 200 bp in length, are produced by pervasive transcription in mammalian genomes and regulate gene expression through various action mechanisms. Accumulating data indicate that lncRNAs mediate essential biological functions in human development, including early embryogenesis, induction of pluripotency, and germ cell development. Comprehensive analysis of sequencing data highlights that lncRNAs are expressed in a stage-specific and human/primate-specific pattern during early human development. They contribute to cell fate determination through interacting with almost all classes of cellular biomolecules, including proteins, DNA, mRNAs, and microRNAs. Furthermore, the expression of a few of lncRNAs is highly associated with the pathogenesis and progression of many reproductive diseases, suggesting that they could serve as candidate biomarkers for diagnosis or novel targets for treatment. Here, we review research on lncRNAs and their roles in embryogenesis, pluripotency, and reproduction. We aim to identify the underlying molecular mechanisms essential for human development and provide novel insight into the causes and treatments of human reproductive diseases.
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17
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Long Noncoding RNAs: Recent Insights into Their Role in Male Infertility and Their Potential as Biomarkers and Therapeutic Targets. Int J Mol Sci 2021; 22:ijms222413579. [PMID: 34948376 PMCID: PMC8708977 DOI: 10.3390/ijms222413579] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/14/2021] [Accepted: 12/16/2021] [Indexed: 12/21/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) are composed of nucleotides located in the nucleus and cytoplasm; these are transcribed by RNA polymerase II and are greater than 200 nt in length. LncRNAs fulfill important functions in a variety of biological processes, including genome imprinting, cell differentiation, apoptosis, stem cell pluripotency, X chromosome inactivation and nuclear transport. As high throughput sequencing technology develops, a substantial number of lncRNAs have been found to be related to a variety of biological processes, such as development of the testes, maintaining the self-renewal and differentiation of spermatogonial stem cells, and regulating spermatocyte meiosis. These indicate that lncRNAs can be used as biomarkers and potential therapeutic targets for male infertility. However, only a few comprehensive reviews have described the role of lncRNAs in male reproduction. In this paper, we summarize recent findings relating to the role of lncRNAs in spermatogenesis, their potential as biomarkers for male infertility and the relationship between reproductive arrest and transgenerational effects. Finally, we suggest specific targets for the treatment of male infertility from the perspective of lncRNAs.
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18
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Ben Maamar M, Nilsson EE, Skinner MK. Epigenetic transgenerational inheritance, gametogenesis and germline development†. Biol Reprod 2021; 105:570-592. [PMID: 33929020 PMCID: PMC8444706 DOI: 10.1093/biolre/ioab085] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/12/2021] [Accepted: 04/22/2021] [Indexed: 12/14/2022] Open
Abstract
One of the most important developing cell types in any biological system is the gamete (sperm and egg). The transmission of phenotypes and optimally adapted physiology to subsequent generations is in large part controlled by gametogenesis. In contrast to genetics, the environment actively regulates epigenetics to impact the physiology and phenotype of cellular and biological systems. The integration of epigenetics and genetics is critical for all developmental biology systems at the cellular and organism level. The current review is focused on the role of epigenetics during gametogenesis for both the spermatogenesis system in the male and oogenesis system in the female. The developmental stages from the initial primordial germ cell through gametogenesis to the mature sperm and egg are presented. How environmental factors can influence the epigenetics of gametogenesis to impact the epigenetic transgenerational inheritance of phenotypic and physiological change in subsequent generations is reviewed.
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Affiliation(s)
- Millissia Ben Maamar
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Eric E Nilsson
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Michael K Skinner
- Center for Reproductive Biology, School of Biological Sciences, Washington State University, Pullman, WA, USA
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19
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Xu Z, Chen Q, Zeng X, Li M, Liao J. lnc-NLC1-C inhibits migration, invasion and autophagy of glioma cells by targeting miR-383 and regulating PRDX-3 expression. Oncol Lett 2021; 22:640. [PMID: 34386062 PMCID: PMC8299021 DOI: 10.3892/ol.2021.12901] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 05/11/2021] [Indexed: 01/10/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) serve an important role in tumor progression, and their abnormal expression is associated with tumor development. The lncRNA narcolepsy candidate region 1 gene C (lnc-NLC1-C) is involved in numerous types of cancer, but its biological function in glioma remains unknown. In the present study, lnc-NLC1-C expression was detected using reverse transcription-quantitative (RT-q)PCR in U251, SHG44, U87MG and U118MG glioma cells. U87MG cells were transfected with lnc-NLC1-C overexpression or interference vectors. Cell proliferation was detected using a Cell Counting Kit-8 assay. Cell migration and invasion were examined using a Transwell assay, while apoptosis, cell cycle and reactive oxygen species production were evaluated using flow cytometry, and the expression levels of lnc-NLC1-C, microRNA (miR)-383 and peroxiredoxin 3 (PRDX-3) were measured using western blotting and RT-qPCR. Rescue experiments were performed to verify the function of the lnc-NLC1-C/miR-383/PRDX-3 axis. The highest expression levels of lnc-NLC1-C were identified in U87MG glioma cells. Overexpression of lnc-NLC1-C expression promoted cell proliferation, G1 phase blocking, migration and invasion, while inhibiting apoptosis and autophagy in U87MG cells. Mechanistically, miR-383 could bind to lnc-NLC1-C to regulate PRDX-3 expression and improve its oncogenic effect. Rescue experiments confirmed that the lnc-NLC1-C/miR-383/PRDX-3 axis was involved in the molecular mechanism of glioma progression. Therefore, lnc-NLC1-C may be a tumor promoter that affects multiple biological functions, such as migration, invasion and autophagy, in glioma cells.
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Affiliation(s)
- Zhou Xu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Xingnuo Zeng
- Department of Nephrology and Rheumatology, The Central Hospital of Wuhan, Huazhong University of Science and Technology, Wuhan, Hubei 430014, P.R. China
| | - Mingchang Li
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Jianming Liao
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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Qin F, Cao H, Feng C, Zhu T, Zhu B, Zhang J, Tong J, Pei H. Microarray profiling of LncRNA expression in the testis of pubertal mice following morning and evening exposure to 1800 MHz radiofrequency fields. Chronobiol Int 2021; 38:1745-1760. [PMID: 34369206 DOI: 10.1080/07420528.2021.1962902] [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] [Indexed: 10/20/2022]
Abstract
In this paper, the chronotoxicity of radiofrequency fields (RF) in the pubertal testis development and the involved molecular pathways were investigated by exposing four-week-old mice to RF (1800 MHz, SAR, 0.50 W/kg) in the morning and evening of each day for three weeks. Then, pathological changes and functional indices within the testis were determined. We also used a long non-coding RNA (lncRNA) microarray and GO/KEGG pathway analyses to determine lncRNA expression profiles and predict their potential functions. The cis and trans regulation of lncRNAs were investigated, and an interaction network was constructed using Cytoscape software. RF exposure led to a range of pathological changes in the testes of adolescent mice, as testicular weights and daily sperm productions decreased, and the testosterone secretion reduced. Furthermore, RF induced dysregulation in the expression of testicular lncRNAs. We identified 615 and 183 differentially expressed lncRNAs that were associated with morning and evening exposure to RF, respectively. From 15 differential expression lncRNAs both in morning RF group and evening RF group, we selected 6 lncRNAs to be validated by quantitative reverse transcription PCR (qRT-PCR). The differentially expressed lncRNAs induced by morning RF exposure were highly correlated with many different pathways, including Fanconi syndrome, metabolic processes, cell cycle, DNA damage, and DNA replication. Trans-regulation analyses further showed that differentially expressed lncRNAs were involved in multiple transcription factor-regulated pathways, such as TCFAP4, NFkB, HINFP, TFDP2, FoxN1, and PAX5. These transcription factors have all been shown to be involved in the modulation of testis development, cell cycle progression, and spermatogenesis. These findings suggest that the extent to which 1800 MHz RF induced toxicity in the testes and changed the expression of lncRNAs showed differences between morning exposure and evening exposure. These data indicate that differentially expressed lncRNAs play crucial roles in the RF exposure damage to the developing pubertal testis. Collectively, our findings provide a better understanding of the mechanisms underlying the toxic effects of RF exposure on testicular development.
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Affiliation(s)
- Fenju Qin
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China.,School of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Honglong Cao
- School of Electronics & Information Engineering, Soochow University, Suzhou, China
| | - Chuhan Feng
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Tianyuan Zhu
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Bingxu Zhu
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, China
| | - Jie Zhang
- School of Public Health, Soochow University, Suzhou, China
| | - Jian Tong
- School of Public Health, Soochow University, Suzhou, China
| | - Hailong Pei
- School of Radiation Medicine and Protection, Soochow University, Suzhou, China
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21
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Bo H, Zhu F, Liu Z, Deng Q, Liu G, Li R, Zhu W, Tan Y, Liu G, Fan J, Fan L. Integrated analysis of high-throughput sequencing data reveals the key role of LINC00467 in the invasion and metastasis of testicular germ cell tumors. Cell Death Discov 2021; 7:206. [PMID: 34362879 PMCID: PMC8346510 DOI: 10.1038/s41420-021-00588-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/16/2021] [Accepted: 07/13/2021] [Indexed: 12/23/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) are involved in various physiological and pathological processes. However, the role of lncRNAs in testicular germ cell tumor (TGCT) has been rarely reported. Our purpose is to comprehensively survey the expression and function of lncRNAs in TGCT. In this study, we used RNA sequencing to construct the lncRNA expression profiles of 13 TGCT tissues and 4 paraneoplastic tissues to explore the function of lncRNAs in TGCT. The bioinformatics analysis showed that many lncRNAs are differentially expressed in TGCT. GO and KEGG enrichment analyses revealed that the differentially expressed lncRNAs participated in various biological processes associated with tumorigenesis in cis and trans manners. Further, we found that the expression of LINC00467 was positively correlated with the poor prognosis and pathological grade of TGCT using WGCNA analysis and GEPIA database data mining. In vitro experiments revealed that LNC00467 could promote the migration and invasion of TGCT cells by regulating the expression of AKT3 and influencing total AKT phosphorylation. Further analysis of TCGA data revealed that the expression was negatively correlated with the infiltration of immune cells and the response to PD1 immunotherapy. In summary, this study is the first to construct the expression profile of lncRNAs in TGCT. It is also the first study to identify the metastasis-promoting role of LNC00467, which can be used as a potential predictor of TGCT prognosis and immunotherapeutic response to provide a clinical reference for the treatment and diagnosis of TGCT metastasis.
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Affiliation(s)
- Hao Bo
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China
| | - Fang Zhu
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Zhizhong Liu
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Hunan Cancer Hospital, Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine of Central South University, Changsha, Hunan, China
| | - Qi Deng
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Guangmin Liu
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Ruixue Li
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Wenbing Zhu
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China
| | - Yueqiu Tan
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China
| | - Gang Liu
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China
| | - Jingyu Fan
- Department of Chemistry and Biochemistry, University of South Carolina, Orangeburg, SC, USA
| | - Liqing Fan
- NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, China. .,Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China.
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22
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Non-Coding RNAs and Splicing Activity in Testicular Germ Cell Tumors. Life (Basel) 2021; 11:life11080736. [PMID: 34440480 PMCID: PMC8399856 DOI: 10.3390/life11080736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/13/2021] [Accepted: 07/22/2021] [Indexed: 01/22/2023] Open
Abstract
Testicular germ cell tumors (TGCTs) are the most common tumors in adolescent and young men. Recently, genome-wide studies have made it possible to progress in understanding the molecular mechanisms underlying the development of tumors. It is becoming increasingly clear that aberrant regulation of RNA metabolism can drive tumorigenesis and influence chemotherapeutic response. Notably, the expression of non-coding RNAs as well as specific splice variants is deeply deregulated in human cancers. Since these cancer-related RNA species are considered promising diagnostic, prognostic and therapeutic targets, understanding their function in cancer development is becoming a major challenge. Here, we summarize how the different expression of RNA species repertoire, including non-coding RNAs and protein-coding splicing variants, impacts on TGCTs’ onset and progression and sustains therapeutic resistance. Finally, the role of transcription-associated R-loop misregulation in the maintenance of genomic stability in TGCTs is also discussed.
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23
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LncRNAs induce oxidative stress and spermatogenesis by regulating endoplasmic reticulum genes and pathways. Aging (Albany NY) 2021; 13:13764-13787. [PMID: 34001678 PMCID: PMC8202879 DOI: 10.18632/aging.202971] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 11/08/2020] [Indexed: 12/17/2022]
Abstract
Oligozoospermia or low sperm count is a leading cause of male infertility worldwide. Despite decades of work on non-coding RNAs (ncRNAs) as regulators of spermatogenesis, fertilization, and male fertility, the literature on the function of long non-coding RNAs (lncRNAs) in human oligozoospermia is scarce. We integrated lncRNA and mRNA sequencing data from 12 human normozoospermic and oligozoospermic samples and comprehensively analyzed the function of differentially expressed lncRNAs (DE lncRNAs) and mRNAs (DE mRNAs) in male infertility. The target genes of DE lncRNAs were identified using a Gaussian graphical model. Gene ontology terms and Kyoto Encyclopedia of Genes and Genomes pathways were primarily enriched in protein transport and localization to the endoplasmic reticulum (ER). The lncRNA–mRNA co-expression network revealed cis- and trans-regulated target genes of lncRNAs. The transcriptome data implicated DE lncRNAs and DE mRNAs and their target genes in the accumulation of unfolded proteins in sperm ER, PERK-EIF2 pathway-induced ER stress, oxidative stress, and sperm cell apoptosis in individuals with oligozoospermia. These findings suggest that the identified lncRNAs and pathways could serve as effective therapeutic targets for male infertility.
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24
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Cerván-Martín M, Bossini-Castillo L, Rivera-Egea R, Garrido N, Luján S, Romeu G, Santos-Ribeiro S, Castilla JA, Gonzalvo MDC, Clavero A, Vicente FJ, Guzmán-Jiménez A, Burgos M, Barrionuevo FJ, Jiménez R, Sánchez-Curbelo J, López-Rodrigo O, Peraza MF, Pereira-Caetano I, Marques PI, Carvalho F, Barros A, Bassas L, Seixas S, Gonçalves J, Larriba S, Lopes AM, Carmona FD, Palomino-Morales RJ. Effect and in silico characterization of genetic variants associated with severe spermatogenic disorders in a large Iberian cohort. Andrology 2021; 9:1151-1165. [PMID: 33784440 DOI: 10.1111/andr.13009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/08/2021] [Accepted: 03/24/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Severe spermatogenic failure (SpF) represents the most extreme manifestation of male infertility, as it decreases drastically the semen quality leading to either severe oligospermia (SO, <5 million spermatozoa/mL semen) or non-obstructive azoospermia (NOA, complete lack of spermatozoa in the ejaculate without obstructive causes). OBJECTIVES The main objective of the present study is to analyze in the Iberian population the effect of 6 single-nucleotide polymorphisms (SNPs) previously associated with NOA in Han Chinese through genome-wide association studies (GWAS) and to establish their possible functional relevance in the development of specific SpF patterns. MATERIALS AND METHODS We genotyped 674 Iberian infertile men (including 480 NOA and 194 SO patients) and 1058 matched unaffected controls for the GWAS-associated variants PRMT6-rs12097821, PEX10-rs2477686, CDC42BPA-rs3000811, IL17A-rs13206743, ABLIM1-rs7099208, and SOX5-rs10842262. Their association with SpF, SO, NOA, and different NOA phenotypes was evaluated by logistic regression models, and their functional relevance was defined by comprehensive interrogation of public resources. RESULTS ABLIM1-rs7099208 was associated with SpF under both additive (OR = 0.86, p = 0.036) and dominant models (OR = 0.78, p = 0.026). The CDC42BPA-rs3000811 minor allele frequency was significantly increased in the subgroup of NOA patients showing maturation arrest (MA) of germ cells compared to the remaining NOA cases under the recessive model (OR = 4.45, p = 0.044). The PEX10-rs2477686 SNP was associated with a negative testicular sperm extraction (TESE) outcome under the additive model (OR = 1.32, p = 0.034). The analysis of functional annotations suggested that these variants affect the testis-specific expression of nearby genes and that lincRNA may play a role in SpF. CONCLUSIONS Our data support the association of three previously reported NOA risk variants in Asians (ABLIM1-rs7099208, CDC42BPA-rs3000811, and PEX10-rs2477686) with different manifestations of SpF in Iberians of European descent, likely by influencing gene expression and lincRNA deregulation.
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Affiliation(s)
- Miriam Cerván-Martín
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Granada, Spain.,Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Lara Bossini-Castillo
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Granada, Spain.,Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Rocío Rivera-Egea
- Andrology Laboratory and Sperm Bank, IVIRMA Valencia, Valencia, Spain.,IVI Foundation, Health Research Institute La Fe, Valencia, Spain
| | - Nicolás Garrido
- IVI Foundation, Health Research Institute La Fe, Valencia, Spain.,Servicio de Urología, Hospital Universitari i Politecnic La Fe e Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Saturnino Luján
- Servicio de Urología, Hospital Universitari i Politecnic La Fe e Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Gema Romeu
- Servicio de Urología, Hospital Universitari i Politecnic La Fe e Instituto de Investigación Sanitaria La Fe (IIS La Fe), Valencia, Spain
| | - Samuel Santos-Ribeiro
- IVI-RMA Lisbon, Lisbon, Portugal.,Department of Obstetrics and Gynecology, Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | | | - José A Castilla
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.,UGC Obstetricia y Ginecología, Unidad de Reproducción, HU Virgen de las Nieves, Granada, Spain.,CEIFER Biobanco - NextClinics, Granada, Spain
| | - María Del Carmen Gonzalvo
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.,UGC Obstetricia y Ginecología, Unidad de Reproducción, HU Virgen de las Nieves, Granada, Spain
| | - Ana Clavero
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.,UGC Obstetricia y Ginecología, Unidad de Reproducción, HU Virgen de las Nieves, Granada, Spain
| | - Francisco Javier Vicente
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.,UGC de Urología, HU Virgen de las Nieves, Granada, Spain
| | - Andrea Guzmán-Jiménez
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Granada, Spain
| | - Miguel Burgos
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Granada, Spain
| | | | - Rafael Jiménez
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Granada, Spain
| | - Josvany Sánchez-Curbelo
- Laboratory of Seminology and Embryology, Andrology Service-Fundació Puigvert, Barcelona, Spain
| | - Olga López-Rodrigo
- Laboratory of Seminology and Embryology, Andrology Service-Fundació Puigvert, Barcelona, Spain
| | - María Fernanda Peraza
- Laboratory of Seminology and Embryology, Andrology Service-Fundació Puigvert, Barcelona, Spain
| | - Iris Pereira-Caetano
- Departamento de Genética Humana, Instituto Nacional de Saúde Dr. Ricardo Jorge, Lisbon, Portugal
| | - Patrícia Isabel Marques
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto (I3S), Porto, Portugal.,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - Filipa Carvalho
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto (I3S), Porto, Portugal.,Serviço de Genética, Departamento de Patologia, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
| | - Alberto Barros
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto (I3S), Porto, Portugal.,Serviço de Genética, Departamento de Patologia, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
| | - Lluís Bassas
- Laboratory of Seminology and Embryology, Andrology Service-Fundació Puigvert, Barcelona, Spain
| | - Susana Seixas
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto (I3S), Porto, Portugal.,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - João Gonçalves
- Departamento de Genética Humana, Instituto Nacional de Saúde Dr. Ricardo Jorge, Lisbon, Portugal.,Nova Medical School, ToxOmics - Centro de Toxicogenómica e Saúde Humana, Lisbon, Portugal
| | - Sara Larriba
- Human Molecular Genetics Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
| | - Alexandra Manuel Lopes
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto (I3S), Porto, Portugal.,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Porto, Portugal
| | - Francisco David Carmona
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Granada, Spain.,Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain
| | - Rogelio Jesús Palomino-Morales
- Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain.,Departamento de Bioquímica y Biología Molecular I, Universidad de Granada, Granada, Spain
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25
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Yao L, Cong R, Ji C, Zhou X, Luan J, Meng X, Song N. RNA-Binding Proteins Play an Important Role in the Prognosis of Patients With Testicular Germ Cell Tumor. Front Genet 2021; 12:610291. [PMID: 33777092 PMCID: PMC7990889 DOI: 10.3389/fgene.2021.610291] [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: 10/10/2020] [Accepted: 02/08/2021] [Indexed: 11/23/2022] Open
Abstract
Testicular germ cell tumors (TGCTs) are common urological neoplasms in young adult males. The outcome of TGCT depends on pathologic type and tumor stage. RNA-binding proteins (RBPs) influence numerous cancers via post-transcriptional regulation. The prognostic importance of RBPs in TGCT has not been fully investigated. In this study, we set up a prognostic risk model of TGCT using six significantly differentially expressed RBPs, namely, TRMT61A, POLR2J, DIS3L2, IFIH1, IGHMBP2, and NPM2. The expression profiles were downloaded from The Cancer Genome Atlas (TCGA) and Genotype-Tissue Expression datasets. We observed by performing least absolute shrinkage and selection operator (LASSO) regression analyses that in the training cohort, the expression of six RBPs was correlated with disease-free survival in patients with TGCT. We assessed the specificity and sensitivity of 1-, 3-, 5-, and 10-year survival status prediction using receiver operating characteristic curve analysis and successfully validated using the test cohorts, the entire TCGA cohort, and Gene Expression Omnibus (GEO) datasets. Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, and gene set enrichment analyses were carried out to seek the possible signaling pathways related with risk score. We also examined the association between the model based on six RBPs and different clinical characteristics. A nomogram was established for TGCT recurrence prediction. Consensus clustering analysis was carried out to identify the clusters of TGCT with different clinical outcomes. Ultimately, external validations of the six-gene risk score were performed by using the GSE3218 and GSE10783 datasets downloaded from the GEO database. In general, our study constructed a prognostic model based on six RBPs, which could serve as independent risk factor in TGCT, especially in seminoma, and might have brilliant clinical application value.
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Affiliation(s)
- Liangyu Yao
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Rong Cong
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chengjian Ji
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiang Zhou
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jiaochen Luan
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xianghu Meng
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ninghong Song
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of Urology, The Affiliated Kizilsu Kirghiz Autonomous Prefecture People's Hospital of Nanjing Medical University, Artux, China
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26
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Bresesti C, Vezzoli V, Cangiano B, Bonomi M. Long Non-Coding RNAs: Role in Testicular Cancers. Front Oncol 2021; 11:605606. [PMID: 33767982 PMCID: PMC7986848 DOI: 10.3389/fonc.2021.605606] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 01/05/2021] [Indexed: 12/13/2022] Open
Abstract
In the last few years lncRNAs have gained increasing attention among the scientific community, thanks to the discovery of their implication in many physio-pathological processes. In particular, their contribution to tumor initiation, progression, and response to treatment has attracted the interest of experts in the oncologic field for their potential clinical application. Testicular cancer is one of the tumors in which lncRNAs role is emerging. Said malignancies already have very effective treatments, which although lead to the development of quite serious treatment-related conditions, such as secondary tumors, infertility, and cardiovascular diseases. It is therefore important to study the impact of lncRNAs in the tumorigenesis of testicular cancer in order to learn how to exploit them in a clinical setting and to substitute more toxic treatments. Eventually, the use of lncRNAs as biomarkers, drug targets, or therapeutics for testicular cancer may represent a valid alternative to that of conventional tools, leading to a better management of this malignancy and its related conditions, and possibly even to the treatment of poor prognosis cases.
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Affiliation(s)
- Chiara Bresesti
- Department of Endocrine and Metabolic Medicine, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Lab of Endocrine and Metabolic Researches, IRCCS Istituto Auxologico Italiano, Cusano Milanino, Italy
| | - Valeria Vezzoli
- Department of Endocrine and Metabolic Medicine, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Lab of Endocrine and Metabolic Researches, IRCCS Istituto Auxologico Italiano, Cusano Milanino, Italy
| | - Biagio Cangiano
- Department of Endocrine and Metabolic Medicine, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Lab of Endocrine and Metabolic Researches, IRCCS Istituto Auxologico Italiano, Cusano Milanino, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Marco Bonomi
- Department of Endocrine and Metabolic Medicine, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Lab of Endocrine and Metabolic Researches, IRCCS Istituto Auxologico Italiano, Cusano Milanino, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
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27
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Geisinger A, Rodríguez-Casuriaga R, Benavente R. Transcriptomics of Meiosis in the Male Mouse. Front Cell Dev Biol 2021; 9:626020. [PMID: 33748111 PMCID: PMC7973102 DOI: 10.3389/fcell.2021.626020] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 02/15/2021] [Indexed: 12/18/2022] Open
Abstract
Molecular studies of meiosis in mammals have been long relegated due to some intrinsic obstacles, namely the impossibility to reproduce the process in vitro, and the difficulty to obtain highly pure isolated cells of the different meiotic stages. In the recent years, some technical advances, from the improvement of flow cytometry sorting protocols to single-cell RNAseq, are enabling to profile the transcriptome and its fluctuations along the meiotic process. In this mini-review we will outline the diverse methodological approaches that have been employed, and some of the main findings that have started to arise from these studies. As for practical reasons most studies have been carried out in males, and mostly using mouse as a model, our focus will be on murine male meiosis, although also including specific comments about humans. Particularly, we will center on the controversy about gene expression during early meiotic prophase; the widespread existing gap between transcription and translation in meiotic cells; the expression patterns and potential roles of meiotic long non-coding RNAs; and the visualization of meiotic sex chromosome inactivation from the RNAseq perspective.
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Affiliation(s)
- Adriana Geisinger
- Biochemistry-Molecular Biology, Facultad de Ciencias, Universidad de la República (UdelaR), Montevideo, Uruguay.,Department of Molecular Biology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay
| | - Rosana Rodríguez-Casuriaga
- Department of Molecular Biology, Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo, Uruguay
| | - Ricardo Benavente
- Department of Cell and Developmental Biology, Biocenter, University of Würzburg, Würzburg, Germany
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28
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Zhao W, Hussain Solangi T, Wu Y, Yang X, Xu C, Wang H, Zheng X, Cai X, Zhu J. Comparative rna-seq analysis of region-specific miRNA expression in the epididymis of cattleyak. Reprod Domest Anim 2021; 56:555-576. [PMID: 33438262 DOI: 10.1111/rda.13893] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 02/06/2023]
Abstract
The epididymis is the site of post-testicular sperm maturation, which constitutes the acquisition of sperm motility and the ability to recognize and fertilize oocytes. The role of miRNA in male reproductive system, including the control of different steps leading to proper fertilization such as gametogenesis, sperm maturation and maintenance of male fertility where the deletion of Dicer in mouse germ cells led to infertility, has been demonstrated. The identification of miRNA expression in a region-specific manner will therefore provide valuable insight into the functional differences between the regions of the epididymis. In this study, we employed RNA-seq technology to explore the expression pattern of miRNAs and establish some miRNAs of significant interest with regard to epididymal sperm maturation in the CY epididymis. We identified a total of 431 DE known miRNAs; 119, 185 and 127 DE miRNAs were detected for caput versus corpus, corpus versus cauda and caput versus cauda region pairs, respectively. Our results demonstrate region-specific miRNA expression in the CY epididymis. The GO and KEGG enrichment for the predicted target genes indicated the functional values of miRNAs. Furthermore, we observed that the expression of miR-200a was downregulated in the caput, compared with cauda. Since the family of miR-200 has previously been suggested to contribute to the distinct physiological function of sperm maturation in epididymis of adult rat, we speculate that the downregulation of miR-200a in CY caput epididymis may play an important role of sperm maturation in the epididymis of CY. Therefore, our findings may not only increase our understanding of the molecular mechanisms regulated by the miRNA functions in region-specific miRNA expression in the CY epididymis, it could provide a valuable information to understand the mechanism of male infertility of CY.
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Affiliation(s)
- Wangsheng Zhao
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Tajmal Hussain Solangi
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Yitao Wu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Xiankang Yang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Chuanfei Xu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Hongmei Wang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Xuxin Zheng
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Xin Cai
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization (Southwest Minzu University), Ministry of Education, Chengdu, China.,Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization Key Laboratory of Sichuan Province, Chengdu, China
| | - Jiangjiang Zhu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization (Southwest Minzu University), Ministry of Education, Chengdu, China.,Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization Key Laboratory of Sichuan Province, Chengdu, China
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29
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Zhou F, Chen W, Cui Y, Liu B, Yuan Q, Li Z, He Z. miRNA-122-5p stimulates the proliferation and DNA synthesis and inhibits the early apoptosis of human spermatogonial stem cells by targeting CBL and competing with lncRNA CASC7. Aging (Albany NY) 2020; 12:25528-25546. [PMID: 33231565 PMCID: PMC7803487 DOI: 10.18632/aging.104158] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023]
Abstract
Epigenetic regulators of human spermatogonia stem cells (SSCs) remain largely unknown. We found that miRNA-122-5p was upregulated in human spermatogonia from obstructive azoospermia (OA) patients compared with non-obstructive azoospermia (NOA). MiRNA-122-5p stimulated the proliferation and DNA synthesis of human SSCs, whereas it inhibited the early apoptosis of human SSCs. CBL was predicted and identified as a direct target of miRNA-122-5p in human SSCs. CBL silencing led to an enhancement of cell proliferation and DNA synthesis and neutralized the effect of miRNA-122-5p inhibitor on the DNA synthesis of human SSCs. The decrease in the early apoptosis of human SSCs was observed after CBL knockdown. By comparing the profiles of lncRNAs between OA and NOA spermatogonia, CASC7 was significantly deficient in OA spermatogonia, and it had a direct association with miRNA-122-5p. LncRNA CASC7 competed with miRNA-122-5p, and it suppressed the inhibition of CBL. Collectively, these results implicate that miRNA-122-5p enhances the proliferation and DNA synthesis and inhibits the early apoptosis of human SSCs by targeting CBL and competing with lncRNA CASC7. Therefore, this study provides novel insights into epigenetic regulation of fate determinations of human SSCs, and it offers new targets for gene therapy of male infertility that is associated with aging.
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Affiliation(s)
- Fan Zhou
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Department of Plastic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Wei Chen
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China
| | - Yinghong Cui
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China
| | - Bang Liu
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China
| | - Qingqing Yuan
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Department of Plastic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Zheng Li
- Department of Andrology, Urologic Medical Center, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai 200080, China
| | - Zuping He
- Hunan Normal University School of Medicine, Changsha 410013, Hunan, China.,The Key Laboratory of Model Animals and Stem Cell Biology in Hunan Province, Changsha 410013, Hunan, China
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30
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Male Factors: the Role of Sperm in Preimplantation Embryo Quality. Reprod Sci 2020; 28:1788-1811. [DOI: 10.1007/s43032-020-00334-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 09/25/2020] [Indexed: 12/19/2022]
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31
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Kyrgiafini MA, Markantoni M, Sarafidou T, Chatziparasidou A, Christoforidis N, Mamuris Z. Genome-wide association study identifies candidate markers related to lincRNAs associated with male infertility in the Greek population. J Assist Reprod Genet 2020; 37:2869-2881. [PMID: 32880781 PMCID: PMC7642051 DOI: 10.1007/s10815-020-01937-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/18/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Male infertility is currently one of the most common problems faced by couples worldwide. We performed a GWAS on Greek population and gathered statistically significant SNPs in order to investigate whether they lie within or near lncRNA regions. OBJECTIVES The aim of this study was to investigate whether polymorphisms on or near lncRNAs affect interactions with miRNAs and can cause male infertility. MATERIALS AND METHODS In the present study, a GWAS was conducted, using samples from 159 individuals (83 normozoospermic individuals and 76 patients of known fertility issues). Standard procedures for quality controls and association testing were followed, based on case-control testing. RESULTS We detected six lncRNAs (LINC02231, LINC00347, LINC02134, NCRNA00157, LINC02493, Lnc-CASK-1) that are associated with male infertility through their interaction with miRNAs. Furthermore, we identified the genes targeted by those miRNAs and highlighted their functions in spermatogenesis and the fertilization process. DISCUSSION AND CONCLUSION lncRNAs are involved in spermatogenesis through their interaction with miRNAs. Thus, their study is very important, and it may contribute to the understanding of the molecular mechanisms underlying male infertility.
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Affiliation(s)
- Maria-Anna Kyrgiafini
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500, Larisa, Greece
| | - Maria Markantoni
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500, Larisa, Greece
| | - Theologia Sarafidou
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500, Larisa, Greece
| | | | | | - Zissis Mamuris
- Laboratory of Genetics, Comparative and Evolutionary Biology, Department of Biochemistry and Biotechnology, University of Thessaly, Viopolis, Mezourlo, 41500, Larisa, Greece.
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Joshi M, Rajender S. Long non-coding RNAs (lncRNAs) in spermatogenesis and male infertility. Reprod Biol Endocrinol 2020; 18:103. [PMID: 33126901 PMCID: PMC7599102 DOI: 10.1186/s12958-020-00660-6] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Long non-coding RNAs (lncRNAs) have a size of more than 200 bp and are known to regulate a host of crucial cellular processes like proliferation, differentiation and apoptosis by regulating gene expression. While small noncoding RNAs (ncRNAs) such as miRNAs, siRNAs, Piwi-interacting RNAs have been extensively studied in male germ cell development, the role of lncRNAs in spermatogenesis remains largely unknown. OBJECTIVE In this article, we have reviewed the biology and role of lncRNAs in spermatogenesis along with the tools available for data analysis. RESULTS AND CONCLUSIONS Till date, three microarray and four RNA-seq studies have been undertaken to identify lncRNAs in mouse testes or germ cells. These studies were done on pre-natal, post-natal, adult testis, and different germ cells to identify lncRNAs regulating spermatogenesis. In case of humans, five RNA-seq studies on different germ cell populations, including two on sperm, were undertaken. We compared three studies on human germ cells to identify common lncRNAs and found 15 lncRNAs (LINC00635, LINC00521, LINC00174, LINC00654, LINC00710, LINC00226, LINC00326, LINC00494, LINC00535, LINC00616, LINC00662, LINC00668, LINC00467, LINC00608, and LINC00658) to show consistent differential expression across these studies. Some of the targets of these lncRNAs included CENPB, FAM98B, GOLGA6 family, RPGR, TPM2, GNB5, KCNQ10T1, TAZ, LIN28A, CDKN2B, CDKN2A, CDKN1A, CDKN1B, CDKN1C, EZH2, SUZ12, VEGFA genes. A lone study on human male infertility identified 9879 differentially expressed lncRNAs with three (lnc32058, lnc09522, and lnc98497) of them showing specific and high expression in immotile sperm in comparison to normal motile sperm. A few lncRNAs (Mrhl, Drm, Spga-lncRNAs, NLC1-C, HongrES2, Tsx, LncRNA-tcam1, Tug1, Tesra, AK015322, Gm2044, and LncRNA033862) have been functionally validated for their roles in spermatogenesis. Apart from rodents and humans, studies on sheep and bull have also identified lncRNAs potentially important for spermatogenesis. A number of these non-coding RNAs are strong candidates for further research on their roles in spermatogenesis.
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Affiliation(s)
- Meghali Joshi
- Division of Endocrinology, Central Drug Research Institute, Lucknow, UP, India
| | - Singh Rajender
- Division of Endocrinology, Central Drug Research Institute, Lucknow, UP, India.
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Sanei-Ataabadi N, Mowla SJ, Nasr-Esfahani MH. Transcript Isoforms of SLC7A11-AS1 Are Associated With Varicocele-Related Male Infertility. Front Genet 2020; 11:1015. [PMID: 33024440 PMCID: PMC7516207 DOI: 10.3389/fgene.2020.01015] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 08/10/2020] [Indexed: 12/13/2022] Open
Abstract
Oxidative stress is one of the crucial mediators of varicocele-related male infertility. Recently, roles of long noncoding RNAs (lncRNAs) in oxidative stress have begun to emerge, however, little is known about their role in male infertility. The aim of this study was to determine the role of lncRNA SLC7A11-AS1 in varicocele-related male infertility. Through a high-throughput bioinformatics investigation, we predicted that lncRNA SLC7A11-AS1 might be involved in this type of infertility. The reactive oxygen species (ROS) levels and expression levels of SLC7A11-AS1 isoforms were evaluated in ejaculated spermatozoa of 25 infertile men with varicocele and 17 fertile individuals as control. Isoform 6 of SLC7A11-AS1 that showed a significant elevation in infertile men with varicocele relative to the fertile group was overexpressed in testicular-derived carcinoma cell lines (NT2 and NCCIT) followed by assessment of ROS, glutathione (GSH), lipid peroxidation, and cell viability. Overexpression of SLC7A11-AS1 isoform 6 in NT2 and NCCIT cell lines resulted in a significant downregulation of SLC7A11 gene expression, which consequently decreased GSH levels and concomitantly increased ROS levels and enhanced lipid peroxidation, which jeopardized cell survival and promoted cell death. Our finding revealed a potential role of oxidative-related lncRNAs in the pathophysiology of male infertility associated with varicocele.
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Affiliation(s)
- Nafiseh Sanei-Ataabadi
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Seyed Javad Mowla
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Hossein Nasr-Esfahani
- Department of Reproductive Biotechnology, Reproductive Biomedicine Research Center, Royan Institute for Biotechnology, Academic Center for Education, Culture and Research (ACECR), Isfahan, Iran.,Isfahan Fertility and Infertility Center, Isfahan, Iran
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34
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Chen C, Liu M, Tang Y, Sun H, Lin X, Liang P, Jiang B. LncRNA H19 is involved in myocardial ischemic preconditioning via increasing the stability of nucleolin protein. J Cell Physiol 2020; 235:5985-5994. [PMID: 31975412 DOI: 10.1002/jcp.29524] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 01/09/2020] [Indexed: 12/12/2022]
Abstract
Myocardial ischemic preconditioning (IP) is defined as a brief period of myocardial ischemia/reperfusion (I/R) that significantly reduces injury during the subsequent exposure to long-term I/R. However, the underlying mechanisms of myocardial IP are yet to be elucidated. This study investigated the expression and roles of long noncoding RNA (lncRNA) H19 in myocardial IP in vitro and in vivo. LncRNA H19 expression levels were analyzed by quantitative reverse-transcription polymerase chain reaction, cell viability was determined by the Cell Counting Kit-8 assay, apoptosis was evaluated based on the caspase 3 activity, and RNA immunoprecipitation was performed to examine the interaction between lncRNA H19 and nucleolin. The results of this study showed that lncRNA H19 expression was significantly upregulated in mouse hearts subjected to myocardial IP, in rat H9C2 cells exposed to H2 O2 preconditioning (H2 O2 -PC), and in neonatal rat cardiomyocytes subjected to hypoxia preconditioning. H19 knockdown abrogated the H2 O2 -PC-mediated protection in cardiomyocytes evidenced by the decreased cell viability and increased caspase-3 activity. Conversely, H19 overexpression enhanced the protective role of H2 O2 -PC in cardiomyocytes. In addition, H19 overexpression increased the expression of nucleolin, whereas H19 ablation abrogated H2 O2 -PC-induced upregulation of nucleolin in cardiomyocytes. Furthermore, H19 overexpression increased the stabilization of nucleolin; an interaction between H19 and nucleolin was identified using the RNA-protein interaction studies. Furthermore, nucleolin small interfering RNA relieved the protective role of lncRNA H19. These findings demonstrated that the lncRNA H19 is involved in myocardial IP via increasing the stability of nucleolin protein and lncRNA H19 may represent a potential therapeutic target for the treatment of the myocardial injury.
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Affiliation(s)
- Cheng Chen
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Meidong Liu
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Yuting Tang
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Hui Sun
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Xiaofang Lin
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Pengfei Liang
- Department of Burns and Plastic Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bimei Jiang
- Department of Pathophysiology, Sepsis Translational Medicine Key Laboratory of Hunan Province, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
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35
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Bo H, Liu Z, Zhu F, Zhou D, Tan Y, Zhu W, Fan L. Long noncoding RNAs expression profile and long noncoding RNA-mediated competing endogenous RNA network in nonobstructive azoospermia patients. Epigenomics 2020; 12:673-684. [PMID: 32174164 DOI: 10.2217/epi-2020-0008] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Aim: To analyze the expression profile and competing endogenous RNA (ceRNA) network of long noncoding RNAs (lncRNAs) in nonobstructive azoospermia (NOA). Materials & methods: The lncRNA expression profile in NOA was determined by microarray reanalysis. Differential expression analysis was performed by R software. The ceRNA network was constructed using correlation analysis and gene target miRNA prediction. Metascape was used for enrichment analysis. Again ceRNA network was validated by quantitative real-time PCR. Results: Many lncRNAs are differently expressed in NOA. LncRNAs might participate in spermatogenesis through ceRNA mechanism. The ceRNA network included male gamete generation and other pathways. LINC00467 in the network regulated the expression of LRGUK and TDRD6. Conclusion: LncRNAs are involved in NOA and potential biomarkers and therapeutic targets for NOA.
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Affiliation(s)
- Hao Bo
- Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Hunan Cancer Hospital, Changsha, PR China
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
- Department of Scientific Research, Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, PR China
| | - Zhizhong Liu
- Department of Urology, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Hunan Cancer Hospital, Changsha, PR China
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
| | - Fang Zhu
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
| | - Dai Zhou
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
- Department of Scientific Research, Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, PR China
| | - Yueqiu Tan
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
- Department of Scientific Research, Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, PR China
| | - Wenbing Zhu
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
- Department of Scientific Research, Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, PR China
| | - Liqing Fan
- Key Laboratory of Human Stem Cells and Reproductive of the Ministry of Health, Institute of Reproductive & Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, PR China
- Department of Scientific Research, Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, PR China
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36
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Sahlu BW, Zhao S, Wang X, Umer S, Zou H, Huang J, Zhu H. Long noncoding RNAs: new insights in modulating mammalian spermatogenesis. J Anim Sci Biotechnol 2020; 11:16. [PMID: 32128162 PMCID: PMC7047388 DOI: 10.1186/s40104-019-0424-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 12/30/2019] [Indexed: 12/12/2022] Open
Abstract
Spermatogenesis is a complex differentiating developmental process in which undifferentiated spermatogonial germ cells differentiate into spermatocytes, spermatids, and finally, to mature spermatozoa. This multistage developmental process of spermatogenesis involves the expression of many male germ cell-specific long noncoding RNAs (lncRNAs) and highly regulated and specific gene expression. LncRNAs are a recently discovered large class of noncoding cellular transcripts that are still relatively unexplored. Only a few of them have post-meiotic; however, lncRNAs are involved in many cellular biological processes. The expression of lncRNAs is biologically relevant in the highly dynamic and complex program of spermatogenesis and has become a research focus in recent genome studies. This review considers the important roles and novel regulatory functions whereby lncRNAs modulate mammalian spermatogenesis.
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Affiliation(s)
- Bahlibi Weldegebriall Sahlu
- 1Embryo Biotechnology and Reproduction Laboratory, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193 People's Republic of China.,Tigray Agricultural Research Institute, Mekelle Agricultural Research Center, Mekelle, Ethiopia
| | - Shanjiang Zhao
- 1Embryo Biotechnology and Reproduction Laboratory, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193 People's Republic of China
| | - Xiuge Wang
- 3Dairy Cattle Research Center, Shandong Academy of Agricultural Sciences, Jinan, 250131 People's Republic of China
| | - Saqib Umer
- 1Embryo Biotechnology and Reproduction Laboratory, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193 People's Republic of China
| | - Huiying Zou
- 1Embryo Biotechnology and Reproduction Laboratory, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193 People's Republic of China
| | - Jinming Huang
- 3Dairy Cattle Research Center, Shandong Academy of Agricultural Sciences, Jinan, 250131 People's Republic of China
| | - Huabin Zhu
- 1Embryo Biotechnology and Reproduction Laboratory, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193 People's Republic of China
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37
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Wang Y, Yang J, Chen P, Song Y, An W, Zhang H, Butegeleqi B, Yan J. MicroRNA-320a inhibits invasion and metastasis in osteosarcoma by targeting cytoplasmic polyadenylation element-binding protein 1. Cancer Med 2020; 9:2833-2845. [PMID: 32064777 PMCID: PMC7163091 DOI: 10.1002/cam4.2919] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 01/07/2020] [Accepted: 01/26/2020] [Indexed: 02/06/2023] Open
Abstract
Osteosarcoma is a primary malignant bone tumor, which affects children, adolescents, and young adults commonly. MicroRNAs (miRNAs) have been proved to be dysregulated in different cancers, including osteosarcoma. Although miR‐320a has been implicated in many types of malignancies, little is known about the role of miR‐320a in osteosarcoma. In this study, we show that the overexpression of miR‐320a or knockdown of cytoplasmic polyadenylation element‐binding protein 1 (CPEB1) inhibited osteosarcoma cell migration and invasion. miR‐320a downregulates CPEB1 expression by directly targeting the CPEB1 3′‐UTR. Furthermore, CPEB1 reintroduction reversed the antiproliferation, antimigration, and antiinvasion roles of miR‐320a, indicating that miR‐320a might function as a tumor suppressor in osteosarcoma through CPEB1. In conclusion, our study demonstrates that miR‐320a plays a critical role in osteosarcoma progression and may provide a potential therapeutic target for osteosarcoma.
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Affiliation(s)
- Yanlong Wang
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Jiyu Yang
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Pangtao Chen
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Yu Song
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Weizheng An
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Haoran Zhang
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Butegeleqi Butegeleqi
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
| | - Jinglong Yan
- Departments of Orthopedic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P.R. China
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38
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Bo H, Liu Z, Tang R, Gong G, Wang X, Zhang H, Zhu F, Zhou D, Zhu W, Tan Y, Fan L. Testicular biopsies microarray analysis reveals circRNAs are involved in the pathogenesis of non-obstructive azoospermia. Aging (Albany NY) 2020; 12:2610-2625. [PMID: 32029690 PMCID: PMC7041731 DOI: 10.18632/aging.102765] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 01/12/2020] [Indexed: 01/05/2023]
Abstract
Circular RNAs (circRNAs) have been reported to be involved in many diseases. But there is no report on circRNAs in non-obstructive azoospermia (NOA). The purpose of this paper is to explore the circular RNA expression profile and potential functions of circRNAs in NOA patients. We first preformed circRNA expression profiling analysis using a circRNA microarray in testicular samples from NOA and obstructive azoospermia (OA) patients. CircRNAs were validated by qRT-PCR. Bioinformatics analysis were used to construct the ceRNA network. GO and KEGG enrichment analysis were performed by using DAVID. Microarray analysis identified 82 differentially expressed circRNAs in NOA specimens. The differential expression of hsa_circRNA_402130, hsa_circRNA_072697, hsa_circRNA_030050, hsa_circRNA_100812 and hsa_circRNA_406168 was confirmed by qRT-PCR. Enrichment analysis revealed the association of hsa_circRNA_402130 and hsa_circRNA_072697 with multiple signaling pathways. The data indicated that circRNAs were significantly dysregulated in NOA specimens and might involve in the pathogenesis of NOA.
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Affiliation(s)
- Hao Bo
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
| | - Zhizhong Liu
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China.,Hunan Cancer Hospital and The Affliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Ruiling Tang
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
| | - Guanghui Gong
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
| | - Xingming Wang
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
| | - Han Zhang
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
| | - Fang Zhu
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
| | - Dai Zhou
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China
| | - Wenbing Zhu
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
| | - Yueqiu Tan
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
| | - Liqing Fan
- Institute of Reproductive and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China
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Sun J, Niu L, Gao S, Yi X, Chen J. miR-509-5p Downregulation Is Associated With Male Infertility And Acts As A Suppressor In Testicular Germ Cell Tumor Cells Through Targeting MDM2. Onco Targets Ther 2019; 12:10515-10522. [PMID: 31819532 PMCID: PMC6897070 DOI: 10.2147/ott.s215998] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 09/13/2019] [Indexed: 11/23/2022] Open
Abstract
Background The dysregulation of microRNAs (miRNAs) has been linked with male infertility. miR-509-5p is highly expressed in testis and exerts suppressive effects on multiple types of human cancers. Objectives Yet, whether miR-509-5p is connected with male infertility and plays a role in testicular germ cell tumor (TGCT) have not been explored. Materials and methods This study detected miR-509-5p expression in germ cells from MA patients, and further characterize its functional roles in the proliferation and apoptosis of TGCT cells in vitro. Results We report that miR-509-5p is downregulated in germ cells from infertile men with maturation arrest (MA), which implies an inverse association between miR-509-5p level and male infertility. In addition, miR-509-5p suppresses proliferation and induces apoptosis of TGCT cells in vitro, suggesting that it exhibits tumor-suppressive effects on TGCT. Mechanistically, miR-509-5p targets the mouse double minute 2 (MDM2), an oncogenic factor in TGCT, and moreover, restored expression of MDM2 rescues miR-509-5p suppressive effects on TGCT cells, demonstrating that miR-509-5p suppresses TGCT cells through targeting MDM2. Conclusion Collectively, these results implicate that miR-509-5p may participate in the pathogenesis of male infertility and TGCT through regulating proliferation and apoptosis, two critical cellular activities for spermatogenesis and TGCT tumorigenesis.
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Affiliation(s)
- Jinxia Sun
- Department of Reproductive Medicine, Linyi Central Hospital, Linyi City, Shandong Province 276400, People's Republic of China
| | - Lei Niu
- Department of Respiratory Medicine, Linyi Central Hospital, Linyi City, Shandong Province 276400, People's Republic of China
| | - Shanxia Gao
- Department of Reproductive Medicine, Linyi Central Hospital, Linyi City, Shandong Province 276400, People's Republic of China
| | - Xijuan Yi
- Department of Reproductive Medicine, Linyi Central Hospital, Linyi City, Shandong Province 276400, People's Republic of China
| | - Jianxia Chen
- Department of Reproductive Medicine, Linyi Central Hospital, Linyi City, Shandong Province 276400, People's Republic of China
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Bi X, Guo XH, Mo BY, Wang ML, Luo XQ, Chen YX, Liu F, Olsen N, Pan YF, Zheng SG. LncRNA PICSAR promotes cell proliferation, migration and invasion of fibroblast-like synoviocytes by sponging miRNA-4701-5p in rheumatoid arthritis. EBioMedicine 2019; 50:408-420. [PMID: 31791845 PMCID: PMC6921299 DOI: 10.1016/j.ebiom.2019.11.024] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 11/09/2019] [Accepted: 11/13/2019] [Indexed: 12/19/2022] Open
Abstract
Background Long non-coding RNAs (lncRNAs) have drawn increasing attention because they play a pivotal role in various types of autoimmune diseases, including rheumatoid arthritis (RA). Fibroblast-like synoviocytes (FLSs), a prominent component of hyperplastic synovial pannus tissue, are the primary effector cells in RA synovial hyperplasia and invasion which can lead to joint destruction. In this study, we investigated whether lncRNAs could act as competing endogenous RNAs to regulate the pathological behaviors of RA-FLSs. Methods LncRNA microarray was conducted to establish lncRNA expression profiles in FLSs isolated from RA patients and healthy controls (HCs). Differentially expressed lncRNAs were verified by quantitative real-time PCR (qRT-PCR) on RA-FLSs and synovial fluid. The functional role of lncRNA PICSAR downregulation was evaluated in RA-FLSs. We conducted molecular biological analysis to predict miRNAs which have a potential binding site for PICSAR and further refined the results by qRT-PCR. Luciferase reporter assay was adopted to validate the interaction of lncRNA PICSAR and miR-4701-5p. Western Blot and qPCR were used to identify the target gene and protein. The functional role of miR-4701-5p upregulation was examined in RA-FLSs. Findings We identified a long intergenic non-protein-coding RNA162 (LINC00162), also known as lncRNA PICSAR (p38 inhibited cutaneous squamous cell carcinoma associated lincRNA), has significantly higher expression in RA-FLSs and RA synovial fluid. The cell proliferation, migration, invasion and proinflammatory cytokines production of RA-FLSs showed significant alterations after the lncRNA PICSAR suppression. Mechanistically, lncRNA PICSAR functioned through sponging miR-4701-5p in RA-FLSs. Interpretation Our results reveal PICSAR may exert an essential role in promoting synovial invasion and joint destruction by sponging miR-4701-5p in RA and that lncRNA PICSAR may act as a biomarker of RA.
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Affiliation(s)
- Xuan Bi
- Division of Rheumatology, Department of Internal Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Xing Hua Guo
- Division of Rheumatology, Department of Internal Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Bi Yao Mo
- Division of Rheumatology, Department of Internal Medicine, Hainan General Hospital, Haikou, China
| | - Man Li Wang
- Division of Rheumatology, Department of Internal Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Xi Qing Luo
- Division of Rheumatology, Department of Internal Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Yi Xiong Chen
- Division of Rheumatology, Department of Internal Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Fang Liu
- Division of Rheumatology, Department of Internal Medicine, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Nancy Olsen
- Department of Medicine, Penn State College of Medicine, Hershey, PA, United States
| | - Yun Feng Pan
- Division of Rheumatology, Department of Internal Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510000, China.
| | - Song Guo Zheng
- Department of Internal Medicine, the Ohio State University Wexner Medical Center, Columbus, OH 43210, United States.
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Rahbar S, Pashaiasl M, Ezzati M, Ahmadi AsrBadr Y, Mohammadi-Dehcheshmeh M, Mohammadi SA, Ghaffari Novin M. MicroRNA-based regulatory circuit involved in sperm infertility. Andrologia 2019; 52:e13453. [PMID: 31762071 DOI: 10.1111/and.13453] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/28/2019] [Accepted: 04/13/2019] [Indexed: 12/17/2022] Open
Abstract
miRNAs (MicroRNAs), known as noncoding and important endogenous factors regulating the expression protein-coding genes, are vital regulators in each biological process. Thus, this study aims to explore the key role of four microRNAs in regulating the spermatogenesis. To conduct this experiment, 55 infertile and fertile men provided the study with the sperm and testicular tissue samples. To study the spermatozoa in terms of the morphology, Diff-Quick was applied. Then, quantitative real-time polymerase chain reaction (RT-PCR) was conducted on samples. Our data indicated that in contrast to the miR-15b, significant increasing of miR-383 and miR-122 occurred in both severe oligoasthenoteratozoospermia (SOAT) and moderate oligoasthenoteratozoospermia (MOAT) compared to normal sperm group (N). In addition, it was observed that miR-15b and miR-122 increased in patients with nonobstructive azoospermia (NOA) compared with obstructive azoospermia (OA) group. Expression levels of target genes including P53, CASPASE-9 and CYCLIN D1 underwent principle changes according to miRNAs expression level. Our finding indicated that miRNAs had essential role in the regulation of spermatogenesis, and their expression altering was associated with sperm abnormalities. Thus, microRNAs can be introduced as useful biomarkers to determine male infertility reasons to choose the effective treatment.
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Affiliation(s)
- Sara Rahbar
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Pashaiasl
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Ezzati
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yadollah Ahmadi AsrBadr
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Urology Department, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Seyed Abolgasem Mohammadi
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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42
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Siddique H, Al-Ghafari A, Choudhry H, AlTurki S, Alshaibi H, Al Doghaither H, Alsufiani H. Long Noncoding RNAs as Prognostic Markers for Colorectal Cancer in Saudi Patients. Genet Test Mol Biomarkers 2019; 23:509-514. [DOI: 10.1089/gtmb.2018.0308] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Affiliation(s)
- Halima Siddique
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ayat Al-Ghafari
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Cancer and Mutagenesis Unit, and King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hani Choudhry
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Cancer and Mutagenesis Unit, and King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Innovation in Personalized Medicine, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Suzan AlTurki
- University Medical Services Centre, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Huda Alshaibi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Huda Al Doghaither
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hadeil Alsufiani
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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43
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Su Y, Zhou LL, Zhang YQ, Ni LY. Long noncoding RNA HOTTIP is associated with male infertility and promotes testicular embryonal carcinoma cell proliferation. Mol Genet Genomic Med 2019; 7:e870. [PMID: 31328440 PMCID: PMC6732273 DOI: 10.1002/mgg3.870] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 06/01/2019] [Accepted: 07/08/2019] [Indexed: 12/28/2022] Open
Abstract
Background It has been proposed that lncRNAs, widely transcribed from genomes, play pivotal regulatory roles in a variety of biological processes, but their function in regulating spermatogenesis in human males is rarely reported. Methods QRT‐PCR was adopted to detect HOTTIP expression level in testicular tissues from hypospermatogenesis (Hypo) patients or controls. The proliferation levels of NT2 and 293T were measured via CCK‐8 and EdU detection. Meanwhile, luciferase reporter gene assay and bioinformatics analysis were carried out to identify a target of HOTTIP. Additionally, the underlying mechanism of HOTTIP’s function was investigated using western blotting and RIP analysis. Results The research results manifested that the expression of HOTTIP in testicular tissues from Hypo patients was prominently reduced in comparison with that in control testicular tissues. Interestingly, it was noted that HOTTIP exhibited a high expression in testicular embryonal carcinoma cell line NT2 compared with that in normal control cell line 293T. It was denoted in cell function evaluation that cell proliferation was impeded by downregulated HOTTIP but evidently stimulated by overexpressed HOTTIP. Moreover, HOTTIP was capable of positively modulating HOXA13 expression via the competitive binding to miR‐128‐3p. Conclusion Therefore, HOTTIP acting as ceRNAs to promote testicular embryonal carcinoma cell proliferation.
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Affiliation(s)
- Yang Su
- Department of Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu, China.,State Key Laboratory of Reproductive Medicine, Center for Global Health, Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ling-Ling Zhou
- State Key Laboratory of Reproductive Medicine, Center for Global Health, Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yu-Qing Zhang
- State Key Laboratory of Reproductive Medicine, Center for Global Health, Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Liang-Yu Ni
- Department of Andrology, Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing, China
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Zhou F, Chen W, Jiang Y, He Z. Regulation of long non-coding RNAs and circular RNAs in spermatogonial stem cells. Reproduction 2019; 158:R15-R25. [DOI: 10.1530/rep-18-0517] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 04/02/2019] [Indexed: 12/18/2022]
Abstract
Spermatogonial stem cells (SSCs) are one of the most significant stem cells with the potentials of self-renewal, differentiation, transdifferentiation and dedifferentiation, and thus, they have important applications in reproductive and regenerative medicine. They can transmit the genetic and epigenetic information across generations, which highlights the importance of the correct establishment and maintenance of epigenetic marks. Accurate transcriptional and post-transcriptional regulation is required to support the highly coordinated expression of specific genes for each step of spermatogenesis. Increasing evidence indicates that non-coding RNAs (ncRNAs), including long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs), play essential roles in controlling gene expression and fate determination of male germ cells. These ncRNA molecules have distinct characteristics and biological functions, and they independently or cooperatively modulate the proliferation, apoptosis and differentiation of SSCs. In this review, we summarized the features, biological function and fate of mouse and human SSCs, and we compared the characteristics of lncRNAs and circRNAs. We also addressed the roles and mechanisms of lncRNAs and circRNAs in regulating mouse and human SSCs, which would add novel insights into the epigenetic mechanisms underlying mammalian spermatogenesis and provide new approaches to treat male infertility.
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45
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Shaji SK, Sunilkumar D, Mahalakshmi NV, Kumar GB, Nair BG. Analysis of microarray data for identification of key microRNA signatures in glioblastoma multiforme. Oncol Lett 2019; 18:1938-1948. [PMID: 31423264 PMCID: PMC6614686 DOI: 10.3892/ol.2019.10521] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Accepted: 06/06/2019] [Indexed: 02/06/2023] Open
Abstract
Glioblastoma multiforme (GBM) is one of the most malignant types of glioma known for its reduced survival rate and rapid relapse. Previous studies have shown that the expression patterns of different microRNAs (miRNA/miR) play a crucial role in the development and progression of GBM. In order to identify potential miRNA signatures of GBM for prognostic and therapeutic purposes, we downloaded and analyzed two expression data sets from Gene Expression Omnibus profiling miRNA patterns of GBM compared with normal brain tissues. Validated targets of the deregulated miRNAs were identified using MirTarBase, and were mapped to Search Tool for the Retrieval of Interacting Genes/Proteins, Database for Annotation, Visualization and Integrated Discovery and Kyoto Encyclopedia of Genes and Genomes databases in order to construct interaction networks and identify enriched pathways of target genes. A total of 6 miRNAs were found to be deregulated in both expression datasets studied. Pathway analysis demonstrated that most of the target genes were enriched in signaling cascades connected to cancer development, such as ‘Pathways in cancer’, ‘Focal adhesion’ and ‘PI3K-Akt signaling pathway’. Of the five target genes that were enriched in the glioblastoma pathway, in the WikiPathway database, both HRas proto-oncogene, GTPase and MET proto-oncogene, receptor tyrosine kinase target genes of hsa-miR-139-5p, were found to be significantly associated with patient survival. The present study may thus form the basis for further exploration of hsa-miR-139-5p, not only as a therapeutic agent, but also as a diagnostic biomarker for GBM as well as a predictive marker for patient survival.
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Affiliation(s)
- Sanu K Shaji
- School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
| | - Damu Sunilkumar
- School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
| | - N V Mahalakshmi
- School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
| | - Geetha B Kumar
- School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
| | - Bipin G Nair
- School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala 690525, India
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46
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Hu K, He C, Ren H, Wang H, Liu K, Li L, Liao Y, Liang M. LncRNA Gm2044 promotes 17β-estradiol synthesis in mpGCs by acting as miR-138-5p sponge. Mol Reprod Dev 2019; 86:1023-1032. [PMID: 31179605 DOI: 10.1002/mrd.23179] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 04/16/2019] [Accepted: 05/12/2019] [Indexed: 12/13/2022]
Abstract
Long noncoding RNAs (lncRNAs) have been demonstrated to play vital roles in mammalian reproduction. Our previous research revealed that lncRNA Gm2044 is highly expressed in mouse spermatocytes and regulates male germ cell function. The gene annotation database BioGPS shows that Gm2044 is not only highly expressed in testicular tissue but also in ovarian tissue, which suggests that Gm2044 may be involved in female reproductive development. In this study, we confirmed that lncRNA Gm2044 promotes 17β-estradiol synthesis in mouse pre-antral follicular granulosa cells (mpGCs). Furthermore, bioinformatics methods, western blot, and the luciferase assay proved that Gm2044 functions as a miR-138-5p sponge to inhibit the direct target of miR-138-5p, Nr5a1, which enhances 17β-estradiol synthesis through cyp19a1 activation. Taken together, our results provide an insight into the mechanistic roles of lncRNA Gm2044 for 17β-estradiol synthesis by acting as competing-endogenous RNAs to modulate the function of mpGCs. Studying the potential lncRNAs, which regulate estradiol release, will be beneficial for the diagnosis and treatment of steroid hormone-related disease.
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Affiliation(s)
- Ke Hu
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Chaofan He
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Huanhuan Ren
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Haiyan Wang
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Kuan Liu
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Leina Li
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Yaping Liao
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Meng Liang
- Division of Biotechnology, School of Life Sciences, Bengbu Medical College, Bengbu, Anhui, People's Republic of China
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Robles V, Valcarce DG, Riesco MF. Non-coding RNA regulation in reproduction: Their potential use as biomarkers. Noncoding RNA Res 2019; 4:54-62. [PMID: 31193491 PMCID: PMC6531869 DOI: 10.1016/j.ncrna.2019.04.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 04/24/2019] [Accepted: 04/24/2019] [Indexed: 12/13/2022] Open
Abstract
Non-coding RNAs (ncRNAs) are crucial regulatory elements in most biological processes and reproduction is also controlled by them. The different types of ncRNAs, as well as the high complexity of these regulatory pathways, present a complex scenario; however, recent studies have shed some light on these questions, discovering the regulatory function of specific ncRNAs on concrete reproductive biology processes. This mini review will focus on the role of ncRNAs in spermatogenesis and oogenesis, and their potential use as biomarkers for reproductive diseases or for reproduction success.
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Affiliation(s)
- Vanesa Robles
- Spanish Institute of Oceanography (IEO) Santander, Spain
- MODCELL GROUP, Department of Molecular Biology, Universidad de León, 24071, León, Spain
- Corresponding author. Planta de Cultivos el Bocal, IEO, Barrio Corbanera, Monte, Santander, 39012, Spain.
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LINC00162 confers sensitivity to 5-Aza-2'-deoxycytidine via modulation of an RNA splicing protein, HNRNPH1. Oncogene 2019; 38:5281-5293. [PMID: 30914798 DOI: 10.1038/s41388-019-0792-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/12/2019] [Accepted: 03/14/2019] [Indexed: 12/13/2022]
Abstract
DNA demethylation therapy is now expanding from hematological tumors to solid tumors. To exploit its maximum efficacy, long-term treatment is needed, and stratification of sensitive patients is critically important. Here, we identified a long non-coding RNA, LINC00162, as highly and frequently expressed in gastric cancer cell lines sensitive to 5-aza-2'-deoxycytidine (5-aza-dC). Knockdown of LINC00162 decreased the sensitivity while its overexpression increased the sensitivity. In vivo experiments also showed that LINC00162 overexpression increased the sensitivity. LINC00162 enhanced cell cycle arrest and apoptosis induced by 5-aza-dC, but did not affect its DNA demethylation effect. Mechanistically, LINC00162 interacted with an RNA splicing protein, HNRNPH1, and decreased splicing of an anti-apoptotic splicing variant, BCL-XL. LINC00162 may have translational value to predict patients who will respond to 5-aza-dC.
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Liang M, Hu K, He C, Zhou J, Liao Y. Upregulated lncRNA Gm2044 inhibits male germ cell development by acting as miR-202 host gene. Anim Cells Syst (Seoul) 2019; 23:128-134. [PMID: 30949400 PMCID: PMC6440523 DOI: 10.1080/19768354.2019.1591506] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/07/2019] [Accepted: 02/27/2019] [Indexed: 12/26/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have been found to participate in the regulation of human spermatogenic cell development. However, little is known about the abnormal expression of lncRNAs associated with spermatogenic failure and their molecular mechanisms. Using lncRNA microarray of testicular tissue for male infertility and bioinformatics methods, we identified the relatively conserved lncRNA Gm2044 which may play important roles in non-obstructive azoospermia. The UCSC Genome Browser showed that lncRNA Gm2044 is the miR-202 host gene. This study revealed that lncRNA Gm2044 and miR-202 were significantly increased in non-obstructive azoospermia of spermatogonial arrest. The mRNA and protein levels of Rbfox2, a known direct target gene of miR-202, were regulated by lncRNA Gm2044. Furthermore, the miR-202-Rbfox2 signalling pathway was shown to mediate the suppressive effects of lncRNA Gm2044 on the proliferation of human testicular embryonic carcinoma cells. Understanding of the molecular signalling pathways for lncRNA-regulated spermatogenesis will provide new clues into the pathogenesis and treatment of patients with male infertility.
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Affiliation(s)
- Meng Liang
- Department of Biological Sciences, Bengbu Medical College, Bengbu, People's Republic of China
| | - Ke Hu
- Department of Biological Sciences, Bengbu Medical College, Bengbu, People's Republic of China
| | - Chaofan He
- Department of Biological Sciences, Bengbu Medical College, Bengbu, People's Republic of China
| | - Jinzhao Zhou
- Department of Biological Sciences, Bengbu Medical College, Bengbu, People's Republic of China
| | - Yaping Liao
- Department of Biological Sciences, Bengbu Medical College, Bengbu, People's Republic of China
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Zhang J, Xu Y, Liu H, Pan Z. MicroRNAs in ovarian follicular atresia and granulosa cell apoptosis. Reprod Biol Endocrinol 2019; 17:9. [PMID: 30630485 PMCID: PMC6329178 DOI: 10.1186/s12958-018-0450-y] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 12/17/2018] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs) are short, noncoding RNAs that posttranscriptionally regulate gene expression. In the past decade, studies on miRNAs in ovaries have revealed the key roles of miRNAs in ovarian development and function. In this review, we first introduce the development of follicular atresia research and then summarize genome-wide studies on the ovarian miRNA profiles of different mammalian species. Differentially expressed miRNA profiles during atresia and other biological processes are herein compared. In addition, current knowledge on confirmed functional miRNAs during the follicular atresia process, which is mostly indicated by granulosa cell (GC) apoptosis, is presented. The main miRNA families and clusters, including the let-7 family, miR-23-27-24 cluster, miR-183-96-182 cluster and miR-17-92 cluster, and related pathways that are involved in follicular atresia are thoroughly summarized. A deep understanding of the roles of miRNA networks will not only help elucidate the mechanisms of GC apoptosis, follicular development, atresia and their disorders but also offer new diagnostic and treatment strategies for infertility and other ovarian dysfunctions.
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Affiliation(s)
- Jinbi Zhang
- 0000 0000 9750 7019grid.27871.3bCollege of Animal Science and Technology, Nanjing Agriculture University, Nanjing, 210095 People’s Republic of China
| | - Yinxue Xu
- 0000 0000 9750 7019grid.27871.3bCollege of Animal Science and Technology, Nanjing Agriculture University, Nanjing, 210095 People’s Republic of China
| | - Honglin Liu
- 0000 0000 9750 7019grid.27871.3bCollege of Animal Science and Technology, Nanjing Agriculture University, Nanjing, 210095 People’s Republic of China
| | - Zengxiang Pan
- 0000 0000 9750 7019grid.27871.3bCollege of Animal Science and Technology, Nanjing Agriculture University, Nanjing, 210095 People’s Republic of China
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