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Rodrigues L, Da Cruz Paula A, Soares P, Vinagre J. Unraveling the Significance of DGCR8 and miRNAs in Thyroid Carcinoma. Cells 2024; 13:561. [PMID: 38607000 PMCID: PMC11011343 DOI: 10.3390/cells13070561] [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: 02/15/2024] [Revised: 03/13/2024] [Accepted: 03/20/2024] [Indexed: 04/13/2024] Open
Abstract
MicroRNAs (miRNAs) act as negative regulators for protein-coding gene expression impacting cell proliferation, differentiation, and survival. These miRNAs are frequently dysregulated in cancer and constitute classes of blood-based biomarkers useful for cancer detection and prognosis definition. In thyroid cancer (TC), the miRNA biogenesis pathway plays a pivotal role in thyroid gland formation, ensuring proper follicle development and hormone production. Several alterations in the miRNA biogenesis genes are reported as a causality for miRNA dysregulation. Mutations in microprocessor component genes are linked to an increased risk of developing TC; in particular, a recurrent mutation affecting DGCR8, the E518K. In this review, we explore these novel findings and resume the current state-of-the-art in miRNAs in thyroid carcinomas.
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Affiliation(s)
- Lia Rodrigues
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (i3S), Rua Alfredo Allen, 4200-135 Porto, Portugal; (L.R.); (A.D.C.P.); (P.S.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (Ipatimup), Rua Júlio Amaral de Carvalho, 4200-135 Porto, Portugal
- Departamento de Patologia, Faculdade de Medicina da Universidade do Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
- Escola Superior de Saúde do Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
| | - Arnaud Da Cruz Paula
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (i3S), Rua Alfredo Allen, 4200-135 Porto, Portugal; (L.R.); (A.D.C.P.); (P.S.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (Ipatimup), Rua Júlio Amaral de Carvalho, 4200-135 Porto, Portugal
| | - Paula Soares
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (i3S), Rua Alfredo Allen, 4200-135 Porto, Portugal; (L.R.); (A.D.C.P.); (P.S.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (Ipatimup), Rua Júlio Amaral de Carvalho, 4200-135 Porto, Portugal
- Departamento de Patologia, Faculdade de Medicina da Universidade do Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - João Vinagre
- Instituto de Investigação e Inovação em Saúde da Universidade do Porto (i3S), Rua Alfredo Allen, 4200-135 Porto, Portugal; (L.R.); (A.D.C.P.); (P.S.)
- Instituto de Patologia e Imunologia Molecular da Universidade do Porto (Ipatimup), Rua Júlio Amaral de Carvalho, 4200-135 Porto, Portugal
- Departamento de Patologia, Faculdade de Medicina da Universidade do Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
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2
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Vitale SG, Fulghesu AM, Mikuš M, Watrowski R, D’Alterio MN, Lin LT, Shah M, Reyes-Muñoz E, Sathyapalan T, Angioni S. The Translational Role of miRNA in Polycystic Ovary Syndrome: From Bench to Bedside—A Systematic Literature Review. Biomedicines 2022; 10:biomedicines10081816. [PMID: 36009364 PMCID: PMC9405312 DOI: 10.3390/biomedicines10081816] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 12/04/2022] Open
Abstract
MicroRNAs (miRNAs) are small, non-coding RNAs that are essential for the regulation of post-transcriptional gene expression during tissue development and differentiation. They are involved in the regulation of manifold metabolic and hormonal processes and, within the female reproductive tract, in oocyte maturation and folliculogenesis. Altered miRNA levels have been observed in oncological and inflammatory diseases, diabetes or polycystic ovary syndrome (PCOS). Therefore, miRNAs are proving to be promising potential biomarkers. In women with PCOS, circulating miRNAs can be obtained from whole blood, serum, plasma, urine, and follicular fluid. Our systematic review summarizes data from 2010–2021 on miRNA expression in granulosa and theca cells; the relationship between miRNAs, hormonal changes, glucose and lipid metabolism in women with PCOS; and the potential role of altered miRNAs in fertility (oocyte quality) in PCOS. Furthermore, we discuss miRNAs as a potential therapeutic target in PCOS and as a diagnostic marker for PCOS.
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Affiliation(s)
- Salvatore Giovanni Vitale
- Obstetrics and Gynecology Unit, Department of General Surgery and Medical Surgical Specialties, University of Catania, 95124 Catania, Italy;
| | - Anna Maria Fulghesu
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, 09124 Cagliari, Italy; (A.M.F.); (M.N.D.)
| | - Mislav Mikuš
- Department of Obstetrics and Gynecology, University Hospital Centre Zagreb, 10 000 Zagreb, Croatia;
| | - Rafał Watrowski
- Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany;
| | - Maurizio Nicola D’Alterio
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, 09124 Cagliari, Italy; (A.M.F.); (M.N.D.)
| | - Li-Te Lin
- Department of Obstetrics and Gynecology, Kaohsiung Veterans General Hospital, Kaohsiung City 81362, Taiwan;
- Department of Obstetrics and Gynecology, School of Medicine, National Yang-Ming University, Pei-Tou, Taipei 112, Taiwan
- Department of Biological Science, National Sun Yat-sen University, 70 Lienhai Rd., Kaohsiung City 80424, Taiwan
| | - Mohsin Shah
- Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar 25100, Pakistan;
| | - Enrique Reyes-Muñoz
- Department of Gynecological and Perinatal Endocrinology, Instituto Nacional de Perinatología, Mexico City 11000, Mexico;
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Kingston upon Hull HU6 7RX, UK;
| | - Stefano Angioni
- Obstetrics and Gynecology Unit, Department of General Surgery and Medical Surgical Specialties, University of Catania, 95124 Catania, Italy;
- Correspondence:
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A Mutation in Endogenous saRNA miR-23a Influences Granulosa Cells Response to Oxidative Stress. Antioxidants (Basel) 2022; 11:antiox11061174. [PMID: 35740072 PMCID: PMC9219974 DOI: 10.3390/antiox11061174] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/30/2022] [Accepted: 06/10/2022] [Indexed: 12/04/2022] Open
Abstract
Phenotypes are the result of the interaction between the gene and the environment, so the response of individuals with different genotypes to an environment is variable. Here, we reported that a mutation in miR-23a influences granulosa cells (GCs) response to oxidative stress, a common mechanism of environmental factors affecting female reproduction. We showed that nuclear miR-23a is a pro-apoptotic miRNA in porcine GCs through the activation of the transcription and function of NORHA, a long non-coding RNA (lncRNA) induces GC apoptosis and responses to oxidative stress. Mechanistically, miR-23a acts as an endogenous small activating RNA (saRNA) to alter histone modifications of the NORHA promoter through the direct binding to its core promoter. A C > T mutation was identified at −398 nt of the miR-23a core promoter, which created a novel binding site for the transcription factor SMAD4 and recruited the transcription repressor SMAD4 to inhibit miR-23a transcription and function in GCs. Notably, g.−398C > T mutation in the miR-23a promoter reduced GCs response to oxidative stress. In addition, g.−398C > T mutation was significantly associated with sow fertility traits. In short, our findings preliminarily revealed the genetic basis of individual differences in the response to oxidative stress from the perspective of a single mutation and identified miR-23a as a candidate gene for the environmental adaptation to oxidative stress.
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Kim YS, Yang SC, Park M, Choi Y, DeMayo FJ, Lydon JP, Kim H, Lim HJ, Song H. Different Cre systems induce differential microRNA landscapes and abnormalities in the female reproductive tracts of Dgcr8 conditional knockout mice. Cell Prolif 2021; 54:e12996. [PMID: 33496365 PMCID: PMC7941225 DOI: 10.1111/cpr.12996] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES The female reproductive tract comprises several different cell types. Using three representative Cre systems, we comparatively analysed the phenotypes of Dgcr8 conditional knockout (cKO) mice to understand the function of Dgcr8, involved in canonical microRNA biogenesis, in the female reproductive tract. MATERIALS AND METHODS Dgcr8f/f mice were crossed with Ltficre/+ , Amhr2cre/+ or PRcre/+ mice to produce mice deficient in Dgcr8 in epithelial (Dgcr8ed/ed ), mesenchymal (Dgcr8md/md ) and all the compartments (Dgcr8td/td ) in the female reproductive tract. Reproductive phenotypes were evaluated in Dgcr8 cKO mice. Uteri and/or oviducts were used for small RNA-seq, mRNA-seq, real-time RT-PCR, and/or morphologic and histological analyses. RESULT Dgcr8ed/ed mice did not exhibit any distinct defects, whereas Dgcr8md/md mice showed sub-fertility and oviductal smooth muscle deformities. Dgcr8td/td mice were infertile due to anovulation and acute inflammation in the female reproductive tract and suffered from an atrophic uterus with myometrial defects. The microRNAs and mRNAs related to immune modulation and/or smooth muscle growth were systemically altered in the Dgcr8td/td uterus. Expression profiles of dysregulated microRNAs and mRNAs in the Dgcr8td/td uterus were different from those in other genotypes in a Cre-dependent manner. CONCLUSIONS Dgcr8 deficiency with different Cre systems induces overlapping but distinct phenotypes as well as the profiles of microRNAs and their target mRNAs in the female reproductive tract, suggesting the importance of selecting the appropriate Cre driver to investigate the genes of interest.
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Affiliation(s)
- Yeon Sun Kim
- Department of Biomedical ScienceCHA UniversitySeongnamKorea
- Present address:
Division of reproductive sciencesDepartment of PediatricsCincinnati Children’s HospitalOHUSA
| | | | - Mira Park
- Department of Biomedical ScienceCHA UniversitySeongnamKorea
| | - Youngsok Choi
- Department of Stem Cell and Regenerative BiotechnologyKonkuk UniversitySeoulKorea
| | - Francesco J. DeMayo
- Department of Reproductive and Developmental Biology LaboratoryNational Institute of Environmental Health SciencesResearch Triangle ParkNCUSA
| | - John P. Lydon
- Department of Molecular and Cellular Biology and Center for Reproductive MedicineBaylor College of MedicineHoustonTXUSA
| | - Hye‐Ryun Kim
- Department of Biomedical ScienceCHA UniversitySeongnamKorea
| | - Hyunjung Jade Lim
- Department of Veterinary Medicine, School of Veterinary MedicineKonkuk UniversitySeoulKorea
| | - Haengseok Song
- Department of Biomedical ScienceCHA UniversitySeongnamKorea
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5
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Babakhanzadeh E, Khodadadian A, Nazari M, Dehghan Tezerjani M, Aghaei SM, Ghasemifar S, Hosseinnia M, Mazaheri M. Deficient Expression of DGCR8 in Human Testis is Related to Spermatogenesis Dysfunction, Especially in Meiosis I. Int J Gen Med 2020; 13:185-192. [PMID: 32523370 PMCID: PMC7237130 DOI: 10.2147/ijgm.s255431] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 05/06/2020] [Indexed: 12/28/2022] Open
Abstract
Introduction DiGeorge syndrome critical region gene 8 (DGCR8) contributes to miRNA biogenesis, and defects in its expression could lead to defects in spermatogenesis. Methods Here, we assess gene and protein expression levels of DGCR8 in the testicular biopsy specimens obtained from men with obstructive azoospermia (OA, n = 19) and various types of non-obstructive azoospermia (NOA) including maturation arrest (MA, n = 17), Sertoli cell-only syndrome (SCOS, n = 20) and hypospermatogenesis (HYPO, 18). Also, samples of men with NOA were divided into two groups based on successful and unsuccessful sperm recovery, NOA+ in 21 patients and NOA− in 34 patients. Results Examinations disclosed a severe decrease in DGCR8 in samples with MA and SCOS in comparison to OA samples (P < 0.001). Also, the results showed DGCR8 has significantly lower expression in testis tissues of NOA− group in comparison to NOA+ group (p<0.05). Western blot analysis confirmed that the DGCR8 protein was not expressed in SCOS samples and had a very low expression in MA and HYPO samples. Discussion The results of this survey showed that DGCR8 is an important gene for the entire spermatogenesis pathway. Moreover, DGCR8 gene plays an important role in the diagnosis of NOA subgroups, and also the expression changes in it might contribute to SCOS or MA phenotypes. This gene with considering other related genes can also be a predictor of sperm retrieval.
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Affiliation(s)
- Emad Babakhanzadeh
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Medical Genetics Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ali Khodadadian
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Majid Nazari
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Seyed Mohsen Aghaei
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sina Ghasemifar
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mehdi Hosseinnia
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Mahta Mazaheri
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Loke H, Rainczuk K, Dimitriadis E. MicroRNA Biogenesis Machinery Is Dysregulated in the Endometrium of Infertile Women Suggesting a Role in Receptivity and Infertility. J Histochem Cytochem 2019; 67:589-599. [PMID: 31145039 DOI: 10.1369/0022155419854064] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRs) regulate endometrial function and their dysregulation could underlie unexplained infertility in women. Ribonucleases including DICER and DROSHA, and the proteins, ARGONAUTE 1 (AGO 1) and 2 (AGO 2) regulate the biogenesis/maturation of miRs. We aimed to elucidate the expression and localization of miR biogenesis machinery components during the human menstrual cycle and compare their levels in endometrium from women with normal fertility and primary unexplained infertility. miR biogenesis components were measured by quantitative-RT-PCR and immunohistochemistry. In the endometrium of women with normal fertility, DROSHA immunolocalized maximally to the epithelium during the early and mid-secretory phases compared with the proliferative and late-secretory phases. Stromal DICER immunostaining intensity was higher in the late-secretory phase compared with all other phases in fertile women. DROSHA mRNA was reduced in the mid-secretory-infertile whole endometrial tissue (has all cells of the tissue), and primary epithelial and stromal cells while no differences were found in DICER, AGO1, and AGO2 mRNA. In the luminal epithelium, DROSHA staining intensity was reduced in early and mid-secretory-infertile while DICER staining was reduced in the early secretory-infertile compared with their respective fertile groups. DICER and DROSHA were dynamically regulated across the menstrual cycle and reduced levels during receptivity phase could underlie implantation failure/infertility.
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Affiliation(s)
- Hannah Loke
- Embryo Implantation Laboratory, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Molecular and Translational Medicine, Monash University, Clayton, Victoria, Australia
| | - Kate Rainczuk
- Embryo Implantation Laboratory, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Molecular and Translational Medicine, Monash University, Clayton, Victoria, Australia
| | - Evdokia Dimitriadis
- Embryo Implantation Laboratory, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Molecular and Translational Medicine, Monash University, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, The University of Melbourne, The Royal Women's Hospital, Parkville, Victoria, Australia
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7
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Guo WT, Wang Y. Dgcr8 knockout approaches to understand microRNA functions in vitro and in vivo. Cell Mol Life Sci 2019; 76:1697-1711. [PMID: 30694346 PMCID: PMC11105204 DOI: 10.1007/s00018-019-03020-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 01/11/2019] [Accepted: 01/17/2019] [Indexed: 01/07/2023]
Abstract
Biologic function of the majority of microRNAs (miRNAs) is still unknown. Uncovering the function of miRNAs is hurdled by redundancy among different miRNAs. The deletion of Dgcr8 leads to the deficiency in producing all canonical miRNAs, therefore, overcoming the redundancy issue. Dgcr8 knockout strategy has been instrumental in understanding the function of miRNAs in a variety of cells in vitro and in vivo. In this review, we will first give a brief introduction about miRNAs, miRNA biogenesis pathway and the role of Dgcr8 in miRNA biogenesis. We will then summarize studies performed with Dgcr8 knockout cell models with a focus on embryonic stem cells. After that, we will summarize results from various in vivo Dgcr8 knockout models. Given significant phenotypic differences in various tissues between Dgcr8 and Dicer knockout, we will also briefly review current progresses on understanding miRNA-independent functions of miRNA biogenesis factors. Finally, we will discuss the potential use of a new strategy to stably express miRNAs in Dgcr8 knockout cells. In future, Dgcr8 knockout approaches coupled with innovations in miRNA rescue strategy may provide further insights into miRNA functions in vitro and in vivo.
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Affiliation(s)
- Wen-Ting Guo
- Central Laboratory, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Beijing, 100730, People's Republic of China
| | - Yangming Wang
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, Peking University, Beijing, 100871, People's Republic of China.
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8
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Ma Q, Tan Y, Chen X, Chen S, Sun Y, Zhou B. Regulation of the MAPK signaling pathway by miR-421-5p in rats under light pollution. Int J Mol Med 2018; 42:3329-3343. [PMID: 30221682 PMCID: PMC6202112 DOI: 10.3892/ijmm.2018.3874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 09/11/2018] [Indexed: 01/14/2023] Open
Abstract
The present study aimed to explore the difference in the expression profiles of ovarian microRNA sequences in rats in a light pollution environment and rats in a normal light environment. Rats in the control group were exposed to 12‑h light/dark cycles, while rats in the model group were continuously exposed to 24‑h light. The ovaries were extracted from the two groups of rats, and Illumina HiSeq 2500 high‑throughput sequencing technology was used to detect the differences in microRNA (miRNA) expression among the two groups. Fluorescence quantitative reverse transcription‑polymerase chain reaction was used to verify the differential expression of miRNA. The present study was designed to experimentally validate the interaction between miR‑421‑5p and mitogen‑activated protein kinase (MAPK) 7 by using the dual‑luciferase reporter system, and to explore the expression of proteins in the MAPK signaling pathway with a lentiviral vector‑mediated small hairpin RNA interference against microRNA‑421‑5p. The expression of 45 miRNAs was significantly different. In total, 13 miRNAs were upregulated, of which 5 miRNA sequences were known and 8 were predicted. Furthermore, 32 miRNAs were downregulated, of which 11 miRNA sequences were known and 21 were predicted. The results of the luciferase reporter assay confirmed the targeting association between miR‑421‑5p and MAPK7. The expression levels of MAPK and genes in its downstream signaling pathways, including c‑Fos, CREB and c‑Myc, were downregulated when miR‑421‑5p was overexpressed and upregulated when miR‑421‑5p was silenced. The differential expression of miRNAs may serve an important role in the development of the ovary in a light pollution environment. miR‑421‑5p may regulate ovarian growth and development by targeting the MAPK signaling pathway in light polluted rat ovaries.
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Affiliation(s)
- Qianwen Ma
- Zhenjiang Hospital Affiliated to Nanjing University of Chinese Medicine, Zhenjiang Hospital of Traditional Chinese Medicine, Zhenjiang, Jiangsu 212000, P.R. China
| | - Yong Tan
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Xuan Chen
- Zhenjiang Hospital Affiliated to Nanjing University of Chinese Medicine, Zhenjiang Hospital of Traditional Chinese Medicine, Zhenjiang, Jiangsu 212000, P.R. China
| | - Shuping Chen
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Yuying Sun
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Beibei Zhou
- Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
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9
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Hebeda CB, Machado ID, Reif-Silva I, Moreli JB, Oliani SM, Nadkarni S, Perretti M, Bevilacqua E, Farsky SHP. Endogenous annexin A1 (AnxA1) modulates early-phase gestation and offspring sex-ratio skewing. J Cell Physiol 2018; 233:6591-6603. [PMID: 29115663 DOI: 10.1002/jcp.26258] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 11/06/2017] [Indexed: 12/21/2022]
Abstract
Annexin A1 (AnxA1) is a glucocorticoid-regulated anti-inflammatory protein secreted by phagocytes and other specialised cells. In the endocrine system, AnxA1 controls secretion of steroid hormones and it is abundantly expressed in the testis, ovaries, placenta and seminal fluid, yet its potential modulation of fertility has not been described. Here, we observed that AnxA1 knockout (KO) mice delivered a higher number of pups, with a higher percentage of female offsprings. This profile was not dependent on the male features, as sperm from KO male mice did not present functional alterations, and had an equal proportion of Y and X chromosomes, comparable to wild type (WT) male mice. Furthermore, mismatched matings of male WT mice with female KO yielded a higher percentage of female pups per litter, a phenomenon which was not observed when male KO mice mated with female WT animals. Indeed, AnxA1 KO female mice displayed several differences in parameters related to gestation including (i) an arrested estrous cycle at proestrus phase; (ii) increased sites of implantation; (iii) reduced pre- and post-implantation losses; (iv) exacerbated features of the inflammatory reaction in the uterine fluid during implantation phase; and (v) enhanced plasma progesterone in the beginning of pregnancy. In summary, herein we highlight that AnxA1 pathway as a novel determinant of fundamental non-redundant regulatory functions during early pregnancy.
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Affiliation(s)
- Cristina B Hebeda
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, São Paulo, Brazil
| | - Isabel D Machado
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, São Paulo, Brazil
| | - Isadora Reif-Silva
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, São Paulo, Brazil
| | - Jusciele B Moreli
- Federal University of São Paulo (UNIFESP), Botucatu, São Paulo, Brazil
| | - Sonia M Oliani
- Federal University of São Paulo (UNIFESP), Botucatu, São Paulo, Brazil.,Department of Biology, IBILCE, University of São Paulo State (UNESP), São Paulo, Brazil
| | - Suchita Nadkarni
- The William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Mauro Perretti
- The William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Estela Bevilacqua
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo, Sao Paulo, Brazil
| | - Sandra H P Farsky
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, São Paulo, Brazil
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10
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Kim HR, Kim YS, Yoon JA, Yang SC, Park M, Seol DW, Lyu SW, Jun JH, Lim HJ, Lee DR, Song H. Estrogen induces EGR1 to fine-tune its actions on uterine epithelium by controlling PR signaling for successful embryo implantation. FASEB J 2018; 32:1184-1195. [PMID: 29092905 DOI: 10.1096/fj.201700854rr] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The harmonized actions of ovarian E2 and progesterone (P4) regulate the proliferation and differentiation of uterine cells in a spatiotemporal manner. Imbalances between these hormones often lead to infertility and gynecologic diseases. Whereas numerous factors that are involved in P4 signaling have been identified, few local factors that mediate E2 actions in the uterus have been revealed. Here, we demonstrate that estrogen induces the transcription factor, early growth response 1 ( Egr1), to fine-tune its actions in uterine epithelial cells (ECs) that are responsible for uterine receptivity for embryo implantation. In the presence of exogenous gonadotrophins, ovulation, fertilization, and embryonic development normally occur in Egr1-/- mice, but these animals experience the complete failure of embryo implantation with reduced artificial decidualization. Although serum levels of E2 and P4 were comparable between Egr1+/+ and Egr1-/- mice on d 4 of pregnancy, aberrantly reduced levels of progesterone receptor in Egr1-/- uterine ECs caused enhanced E2 activity and impaired P4 response. Ultrastructural analyses revealed that Egr1-/- ECs are not fully able to provide proper uterine receptivity. Uterine mRNA landscapes in Egr1-/- mice revealed that EGR1 controls the expression of a subset of E2-regulated genes. In addition, P4 signaling was unable to modulate estrogen actions, including those that are involved in cell-cycle progression, in ECs that were deficient in EGR1. Furthermore, primary coculture of Egr1-/- ECs with Egr1+/+ stromal cells, and vice versa, supported the notion that Egr1 is required to modulate E2 actions on ECs to prepare the uterine environment for embryo implantation. In contrast to its role in ECs, loss of Egr1 in stroma significantly reduced stromal cell proliferation. Collectively, our results demonstrate that E2 induces EGR1 to streamline its actions for the preparation of uterine receptivity for embryo implantation in mice.-Kim, H.-R., Kim, Y. S., Yoon, J. A., Yang, S. C., Park, M., Seol, D.-W., Lyu, S. W., Jun, J. H., Lim, H. J., Lee, D. R., Song, H. Estrogen induces EGR1 to fine-tune its actions on uterine epithelium by controlling PR signaling for successful embryo implantation.
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Affiliation(s)
- Hye-Ryun Kim
- Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Yeon Sun Kim
- Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Jung Ah Yoon
- Fertility Center of CHA Gangnam Medical Center, CHA University, Seoul, Korea
| | - Seung Chel Yang
- Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Mira Park
- Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Dong-Won Seol
- Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Sang Woo Lyu
- Fertility Center of CHA Gangnam Medical Center, CHA University, Seoul, Korea
| | - Jin Hyun Jun
- Department of Biomedical Laboratory Science, Graduate School of Health Science, Eulji University, Seongnam, Korea
| | | | - Dong Ryul Lee
- Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Haengseok Song
- Department of Biomedical Science, CHA University, Seongnam, Korea
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Tesfaye D, Gebremedhn S, Salilew-Wondim D, Hailay T, Hoelker M, Grosse-Brinkhaus C, Schellander K. MicroRNAs: tiny molecules with a significant role in mammalian follicular and oocyte development. Reproduction 2017; 155:R121-R135. [PMID: 29170163 DOI: 10.1530/rep-17-0428] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/23/2017] [Indexed: 12/20/2022]
Abstract
The genetic regulation of female fertility (follicular development, oocyte maturation and early preimplantation embryo development) involves the spatio-temporal regulation of those genes that play key roles in various stages of the female reproductive axis. MicroRNAs (miRNAs), a class of small non-coding RNAs, are known to regulate the expression of a large proportion of such genes. In recent decades, multiple studies have aimed to determine the roles of these non-coding RNAs in mammalian follicular development, oocyte growth and embryo development. These studies have applied a variety of approaches, including conditional knockout of miRNA biogenesis genes, high-throughput sequencing technologies for pattern recognition in miRNA expression and loss- and gain-of-function of miRNAs in various animal models. In addition to the cellular miRNAs, a large variety of RNAs are found in circulation, being coupled with extracellular vesicles, proteins and lipids. Because of their potential as diagnostic markers for abnormal physiologies, there is increasing interest in the identification of extracellular miRNAs in various biological fluids and spent in vitro culture media. This review focuses on studies addressing the expression and potential role of cellular and extracellular miRNAs in mammalian follicular cell physiology and subsequent ovarian functionality and oocyte maturation.
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Affiliation(s)
- Dawit Tesfaye
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany .,Center of Integrated Dairy ResearchUniversity of Bonn, Bonn, Germany
| | - Samuel Gebremedhn
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany.,Center of Integrated Dairy ResearchUniversity of Bonn, Bonn, Germany
| | - Dessie Salilew-Wondim
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany.,Center of Integrated Dairy ResearchUniversity of Bonn, Bonn, Germany
| | - Tsige Hailay
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany.,Center of Integrated Dairy ResearchUniversity of Bonn, Bonn, Germany
| | - Michael Hoelker
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany.,Center of Integrated Dairy ResearchUniversity of Bonn, Bonn, Germany
| | - Christine Grosse-Brinkhaus
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany
| | - Karl Schellander
- Institute of Animal SciencesDepartment of Animal Breeding and Husbandry, University of Bonn, Bonn, Germany.,Center of Integrated Dairy ResearchUniversity of Bonn, Bonn, Germany
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12
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Bounds KR, Chiasson VL, Pan LJ, Gupta S, Chatterjee P. MicroRNAs: New Players in the Pathobiology of Preeclampsia. Front Cardiovasc Med 2017; 4:60. [PMID: 28993808 PMCID: PMC5622156 DOI: 10.3389/fcvm.2017.00060] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 09/06/2017] [Indexed: 12/18/2022] Open
Abstract
Our understanding of how microRNAs (miRNAs) regulate gene networks and affect different molecular pathways leading to various human pathologies has significantly improved over the years. In contrary, the role of miRNAs in pregnancy-related hypertensive disorders such as preeclampsia (PE) is only beginning to emerge. Recent papers highlight that adverse pregnancy outcomes are associated with aberrant expression of several miRNAs. Presently, efforts are underway to determine the biologic function of these placental miRNAs which can shed light on their contribution to these pregnancy-related disease conditions. The discovery that miRNAs are stable in circulation coupled with the fact that the placenta is capable of releasing them to the circulation in exosomes generates a lot of enthusiasm to use them as biomarkers. In this review, we will summarize the recent findings of our understanding of miRNA regulation in relation to PE, a hypertensive disorder of pregnancy. Particular emphasis will be given to the role of key miRNA molecules such as miR-210 and miR-155 that are known to be consistently dysregulated in women with PE.
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Affiliation(s)
- Kelsey R Bounds
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Valorie L Chiasson
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Lu J Pan
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Sudhiranjan Gupta
- Department of Medical Physiology, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
| | - Piyali Chatterjee
- Department of Internal Medicine, Baylor Scott & White Health, Texas A&M Health Science Center, Temple, TX, United States
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13
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PR-Set7 deficiency limits uterine epithelial population growth hampering postnatal gland formation in mice. Cell Death Differ 2017; 24:2013-2021. [PMID: 28731465 DOI: 10.1038/cdd.2017.120] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 06/10/2017] [Accepted: 06/23/2017] [Indexed: 12/25/2022] Open
Abstract
Formation of secretary endometrial glands in the uterus known as adenogenesis is a typical process of branching morphogenesis involving dynamic epithelial growth and differentiation. Unsuccessful adenogenesis often leads to female infertility. However, it remains largely unexplored so far regarding the epigenetic machinery governing normal endometrial gland formation. Here, we demonstrated that PR-Set7, an epigenetic regulator for H4K20me1 modification, was extensively expressed in the postnatal uteri, and its conditional deletion resulted in a complete lack of endometrial glands and infertility in mice. Subsequent analysis revealed that uterine PR-Set7 deficiency abolishes the dynamic endometrial epithelial population growth during the short span of gland formation from postnatal days 3 to 9. This markedly reduced epithelial population growth in PR-Set7-null mutant uteri is well associated with DNA damage accumulation and massive apoptotic death in the epithelium, due to blockade of 53BP1 recruitment to DNA damage sites upon reduced levels of H4K20me1/2. Using PgrCre/+/Rosa26DTA/+ mouse line and postnatal progesterone injection mouse model, we further confirmed that an impaired epithelial cell population growth either by inducing epithelial death in the diphtheria toxin-A (DTA)-mouse model or attenuating epithelial growth upon postnatal progesterone treatment similarly hampers uterine adenogenesis. Collectively, we establish here a novel 'epithelial population growth threshold' model for successful gland development. Besides further shedding light on the regulatory machinery governing uterine gland formation, our findings raise a safety concern on progesterone supplementation to prevent preterm birth in women bearing a female fetus, as exogenous progesterone may hamper uterine adenogenesis via attenuating epithelial population growth.
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Robertson SA, Zhang B, Chan H, Sharkey DJ, Barry SC, Fullston T, Schjenken JE. MicroRNA regulation of immune events at conception. Mol Reprod Dev 2017; 84:914-925. [DOI: 10.1002/mrd.22823] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 04/21/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Sarah A. Robertson
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
| | - Bihong Zhang
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
| | - Honyueng Chan
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
| | - David J. Sharkey
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
| | - Simon C. Barry
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
| | - Tod Fullston
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
| | - John E. Schjenken
- Robinson Research Institute and Adelaide Medical SchoolUniversity of AdelaideAdelaideSAAustralia
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Rios C, Warren D, Olson B, Abbott AL. Functional analysis of microRNA pathway genes in the somatic gonad and germ cells during ovulation in C. elegans. Dev Biol 2017; 426:115-125. [PMID: 28461238 DOI: 10.1016/j.ydbio.2017.04.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 03/19/2017] [Accepted: 04/17/2017] [Indexed: 01/09/2023]
Abstract
MicroRNAs (miRNAs) are post-transcriptional regulators of gene expression that play critical roles in animal development and physiology, though functions for most miRNAs remain unknown. Worms with reduced miRNA biogenesis due to loss of Drosha or Pasha/DGCR8 activity are sterile and fail to ovulate, indicating that miRNAs are required for the process of oocyte maturation and ovulation. Starting with this penetrant sterile phenotype and using new strains created to perform tissue specific RNAi, we characterized the roles of the C. elegans Pasha, pash-1, and two miRNA-specific Argonautes, alg-1 and alg-2, in somatic gonad cells and in germ cells in the regulation of ovulation. Conditional loss of pash-1 activity resulted in a reduced rate of ovulation and in basal and ovulatory sheath contractions. Similarly, knockdown of miRNA-specific Argonautes in the cells of the somatic gonad by tissue-specific RNAi results in a reduction of the ovulation rate and in basal and ovulatory sheath contractions. Reduced miRNA pathway gene activity resulted in a range of defects, including oocytes that were pinched upon entry of the oocyte into the distal end of the spermatheca in about 42% of the ovulation events observed following alg-1 RNAi. This phenotype was not observed on worms exposed to control RNAi. In contrast, knockdown of alg-1 and alg-2 in germ cells results in few defects in oocyte maturation and ovulation. These data identify specific steps in the process of ovulation that require miRNA pathway gene activity in the somatic gonad cells.
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Affiliation(s)
- Carmela Rios
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53201, United States
| | - David Warren
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53201, United States
| | - Benjamin Olson
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53201, United States
| | - Allison L Abbott
- Department of Biological Sciences, Marquette University, Milwaukee, WI 53201, United States.
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Integrative Analyses of Uterine Transcriptome and MicroRNAome Reveal Compromised LIF-STAT3 Signaling and Progesterone Response in the Endometrium of Patients with Recurrent/Repeated Implantation Failure (RIF). PLoS One 2016; 11:e0157696. [PMID: 27304912 PMCID: PMC4909214 DOI: 10.1371/journal.pone.0157696] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 06/02/2016] [Indexed: 12/23/2022] Open
Abstract
Intimate two-way interactions between the implantation-competent blastocyst and receptive uterus are prerequisite for successful embryo implantation. In humans, recurrent/repeated implantation failure (RIF) may occur due to altered uterine receptivity with aberrant gene expression in the endometrium as well as genetic defects in embryos. Several studies have been performed to understand dynamic changes of uterine transcriptome during menstrual cycles in humans. However, uterine transcriptome of the patients with RIF has not been clearly investigated yet. Here we show that several signaling pathways as well as many genes and microRNAs are dysregulated in the endometrium of patients with RIF (RIFE). Whereas unsupervised hierarchical clustering showed that overall mRNA and microRNA profiles of RIFE were similar to those of endometria of healthy women, many genes were significantly dysregulated in RIFE (cut off at 1.5 fold change). The majority (~75%) of differentially expressed genes in RIFE including S100 calcium binding protein P (S100P), Chemokine (C-X-C motif) ligand 13 (CXCL13) and SIX homeobox 1 (SIX1) were down-regulated, suggesting that reduced uterine expression of these genes is associated with RIF. Gene Set Enrichment analyses (GSEA) for mRNA microarrays revealed that various signaling pathways including Leukemia inhibitory factor (LIF) signaling and a P4 response were dysregulated in RIFE although expression levels of Estrogen receptor α (ERα) and Progesterone receptor (PR) were not significantly altered in RIFE. Furthermore, expression and phosphorylation of Signal transducer and activator of transcription 3 (STAT3) are reduced and a gene set associated with Janus kinase (JAK)-STAT signaling pathway is systemically down-regulated in these patients. Pairwise analyses of microRNA arrays with prediction of dysregulated microRNAs based on mRNA expression datasets demonstrated that 6 microRNAs are aberrantly regulated in RIFE. Collectively, we here suggest that dysregulation of several major signaling pathways and genes critical for uterine biology and embryo implantation may lead to uterine abnormalities in patients with RIF.
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