1
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Cairns CA, Xiao L, Wang JY. Posttranscriptional Regulation of Intestinal Mucosal Growth and Adaptation by Noncoding RNAs in Critical Surgical Disorders. J INVEST SURG 2024; 37:2308809. [PMID: 38323630 PMCID: PMC11027105 DOI: 10.1080/08941939.2024.2308809] [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: 06/03/2023] [Accepted: 01/12/2024] [Indexed: 02/08/2024]
Abstract
The human intestinal epithelium has an impressive ability to respond to insults and its homeostasis is maintained by well-regulated mechanisms under various pathophysiological conditions. Nonetheless, acute injury and inhibited regeneration of the intestinal epithelium occur commonly in critically ill surgical patients, leading to the translocation of luminal toxic substances and bacteria to the bloodstream. Effective therapies for the preservation of intestinal epithelial integrity and for the prevention of mucosal hemorrhage and gut barrier dysfunction are limited, primarily because of a poor understanding of the mechanisms underlying mucosal disruption. Noncoding RNAs (ncRNAs), which include microRNAs (miRNAs), long ncRNAs (lncRNAs), circular RNAs (circRNAs), and small vault RNAs (vtRNAs), modulate a wide array of biological functions and have been identified as orchestrators of intestinal epithelial homeostasis. Here, we feature the roles of many important ncRNAs in controlling intestinal mucosal growth, barrier function, and repair after injury-particularly in the context of postoperative recovery from bowel surgery. We review recent literature surrounding the relationships between lncRNAs, microRNAs, and RNA-binding proteins and how their interactions impact cell survival, proliferation, migration, and cell-to-cell interactions in the intestinal epithelium. With advancing knowledge of ncRNA biology and growing recognition of the importance of ncRNAs in maintaining the intestinal epithelial integrity, ncRNAs provide novel therapeutic targets for treatments to preserve the gut epithelium in individuals suffering from critical surgical disorders.
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Affiliation(s)
- Cassandra A. Cairns
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland 21201
| | - Lan Xiao
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland 21201
| | - Jian-Ying Wang
- Cell Biology Group, Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland 21201
- Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland 21201
- Baltimore Veterans Affairs Medical Center, Baltimore, Maryland 21201
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2
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Biondic S, Petropoulos S. Evidence for Functional Roles of MicroRNAs in Lineage Specification During Mouse and Human Preimplantation Development. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2023; 96:481-494. [PMID: 38161584 PMCID: PMC10751869 DOI: 10.59249/fosi4358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Proper formation of the blastocyst, including the specification of the first embryonic cellular lineages, is required to ensure healthy embryo development and can significantly impact the success of assisted reproductive technologies (ARTs). However, the regulatory role of microRNAs in early development, particularly in the context of preimplantation lineage specification, remains largely unknown. Taking a cross-species approach, this review aims to summarize the expression dynamics and functional significance of microRNAs in the differentiation and maintenance of lineage identity in both the mouse and the human. Findings are consolidated from studies conducted using in vitro embryonic stem cell models representing the epiblast, trophectoderm, and primitive endoderm lineages (modeled by naïve embryonic stem cells, trophoblast stem cells, and extraembryonic endoderm stem cells, respectively) to provide insight on what may be occurring in the embryo. Additionally, studies directly conducted in both mouse and human embryos are discussed, emphasizing similarities to the stem cell models and the gaps in our understanding, which will hopefully lead to further investigation of these areas. By unraveling the intricate mechanisms by which microRNAs regulate the specification and maintenance of cellular lineages in the blastocyst, we can leverage this knowledge to further optimize stem cell-based models such as the blastoids, enhance embryo competence, and develop methods of non-invasive embryo selection, which can potentially increase the success rates of assisted reproductive technologies and improve the experiences of those receiving fertility treatments.
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Affiliation(s)
- Savana Biondic
- Centre de Recherche du Centre Hospitalier de
l’Université de Montréal, Axe Immunopathologie, Montréal, Canada
- Faculty of Medicine, Molecular Biology Program,
Université de Montréal, Montréal, Canada
| | - Sophie Petropoulos
- Centre de Recherche du Centre Hospitalier de
l’Université de Montréal, Axe Immunopathologie, Montréal, Canada
- Faculty of Medicine, Molecular Biology Program,
Université de Montréal, Montréal, Canada
- Division of Obstetrics and Gynecology, Department of
Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm,
Sweden
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3
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Maraghechi P, Aponte MTS, Ecker A, Lázár B, Tóth R, Szabadi NT, Gócza E. Pluripotency-Associated microRNAs in Early Vertebrate Embryos and Stem Cells. Genes (Basel) 2023; 14:1434. [PMID: 37510338 PMCID: PMC10379376 DOI: 10.3390/genes14071434] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
MicroRNAs (miRNAs), small non-coding RNA molecules, regulate a wide range of critical biological processes, such as proliferation, cell cycle progression, differentiation, survival, and apoptosis, in many cell types. The regulatory functions of miRNAs in embryogenesis and stem cell properties have been extensively investigated since the early years of miRNA discovery. In this review, we will compare and discuss the impact of stem-cell-specific miRNA clusters on the maintenance and regulation of early embryonic development, pluripotency, and self-renewal of embryonic stem cells, particularly in vertebrates.
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Affiliation(s)
- Pouneh Maraghechi
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
| | - Maria Teresa Salinas Aponte
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
| | - András Ecker
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
| | - Bence Lázár
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
- National Centre for Biodiversity and Gene Conservation, Institute for Farm Animal Gene Conservation (NBGK-HGI), Isaszegi str. 200, 2100 Gödöllő, Hungary
| | - Roland Tóth
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
| | - Nikolett Tokodyné Szabadi
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
| | - Elen Gócza
- Department of Animal Biotechnology, Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences; Agrobiotechnology and Precision Breeding for Food Security National Laboratory, Szent-Györgyi Albert str. 4, 2100 Gödöllő, Hungary
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4
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Alli VJ, Yadav P, Suresh V, Jadav SS. Synthetic and Medicinal Chemistry Approaches Toward WEE1 Kinase Inhibitors and Its Degraders. ACS OMEGA 2023; 8:20196-20233. [PMID: 37323408 PMCID: PMC10268025 DOI: 10.1021/acsomega.3c01558] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/22/2023] [Indexed: 06/17/2023]
Abstract
WEE1 is a checkpoint kinase critical for mitotic events, especially in cell maturation and DNA repair. Most cancer cells' progression and survival are linked with elevated levels of WEE1 kinase. Thus, WEE1 kinase has become a new promising druggable target. A few classes of WEE1 inhibitors are designed by rationale or structure-based techniques and optimization approaches to identify selective acting anticancer agents. The discovery of the WEE1 inhibitor AZD1775 further emphasized WEE1 as a promising anticancer target. Therefore, the current review provides a comprehensive data on medicinal chemistry, synthetic approaches, optimization methods, and the interaction profile of WEE1 kinase inhibitors. In addition, WEE1 PROTAC degraders and their synthetic procedures, including a list of noncoding RNAs necessary for regulation of WEE1, are also highlighted. From the standpoint of medicinal chemistry, the contents of this compilation serve as an exemplar for the further design, synthesis, and optimization of promising WEE1-targeted anticancer agents.
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Affiliation(s)
- Vidya Jyothi Alli
- Department
of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology Tarnaka, Uppal Road, Hyderabad 500037, India
| | - Pawan Yadav
- Department
of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology Tarnaka, Uppal Road, Hyderabad 500037, India
| | - Vavilapalli Suresh
- Department
of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology Tarnaka, Uppal Road, Hyderabad 500037, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Surender Singh Jadav
- Department
of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology Tarnaka, Uppal Road, Hyderabad 500037, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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5
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Cressoni ACL, Penariol LBC, Padovan CC, Orellana MD, Rosa-E-Silva JC, Poli-Neto OB, Ferriani RA, de Paz CCP, Meola J. Downregulation of DROSHA: Could It Affect miRNA Biogenesis in Endometriotic Menstrual Blood Mesenchymal Stem Cells? Int J Mol Sci 2023; 24:ijms24065963. [PMID: 36983035 PMCID: PMC10057010 DOI: 10.3390/ijms24065963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/18/2023] [Accepted: 03/19/2023] [Indexed: 03/30/2023] Open
Abstract
Menstrual blood mesenchymal stem cells (MenSCs) have gained prominence in the endometriosis scientific community, given their multifunctional roles in regenerative medicine as a noninvasive source for future clinical applications. In addition, changes in post-transcriptional regulation via miRNAs have been explored in endometriotic MenSCs with a role in modulating proliferation, angiogenesis, differentiation, stemness, self-renewal, and the mesenchymal-epithelial transition process. In this sense, homeostasis of the miRNA biosynthesis pathway is essential for several cellular processes and is related to the self-renewal and differentiation of progenitor cells. However, no studies have investigated the miRNA biogenesis pathway in endometriotic MenSCs. In this study, we profiled the expression of eight central genes for the miRNA biosynthesis pathway under experimental conditions involving a two-dimensional culture of MenSCs obtained from healthy women (n = 10) and women with endometriosis (n = 10) using RT-qPCR and reported a two-fold decrease in DROSHA expression in the disease. In addition, miR-128-3p, miR-27a-3p, miR-27b-3p, miR-181a-5p, miR-181b-5p, miR-452-3p, miR-216a-5p, miR-216b-5p, and miR-93-5p, which have been associated with endometriosis, were identified through in silico analyses as negative regulators of DROSHA. Because DROSHA is essential for miRNA maturation, our findings may justify the identification of different profiles of miRNAs with DROSHA-dependent biogenesis in endometriosis.
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Affiliation(s)
- Ana Clara Lagazzi Cressoni
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Letícia B C Penariol
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Cristiana Carolina Padovan
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Maristela D Orellana
- Regional Blood Center, Medical School of Hemocenter Foundation of Ribeirão Preto, University of Sao Paulo, Ribeirão Preto, São Paulo 14051-140, Brazil
| | - Júlio Cesar Rosa-E-Silva
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Omero Benedicto Poli-Neto
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Rui Alberto Ferriani
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
- National Institute of Hormones and Women's Health (Hormona)-CNPq, Porto Alegre 90035-003, Brazil
| | - Cláudia Cristina Paro de Paz
- Department of Genetics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Juliana Meola
- Department of Gynecology and Obstetrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
- National Institute of Hormones and Women's Health (Hormona)-CNPq, Porto Alegre 90035-003, Brazil
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6
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Mufteev M, Rodrigues DC, Yuki KE, Narula A, Wei W, Piekna A, Liu J, Pasceri P, Rissland OS, Wilson MD, Ellis J. Transcriptional buffering and 3'UTR lengthening are shaped during human neurodevelopment by shifts in mRNA stability and microRNA load. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.01.530249. [PMID: 36909614 PMCID: PMC10002768 DOI: 10.1101/2023.03.01.530249] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
The contribution of mRNA half-life is commonly overlooked when examining changes in mRNA abundance during development. mRNA levels of some genes are regulated by transcription rate only, but others may be regulated by mRNA half-life only shifts. Furthermore, transcriptional buffering is predicted when changes in transcription rates have compensating shifts in mRNA half-life resulting in no change to steady-state levels. Likewise, transcriptional boosting should result when changes in transcription rate are accompanied by amplifying half-life shifts. During neurodevelopment there is widespread 3'UTR lengthening that could be shaped by differential shifts in the stability of existing short or long 3'UTR transcript isoforms. We measured transcription rate and mRNA half-life changes during induced human Pluripotent Stem Cell (iPSC)-derived neuronal development using RATE-seq. During transitions to progenitor and neuron stages, transcriptional buffering occurred in up to 50%, and transcriptional boosting in up to 15%, of genes with changed transcription rates. The remaining changes occurred by transcription rate only or mRNA half-life only shifts. Average mRNA half-life decreased two-fold in neurons relative to iPSCs. Short gene isoforms were more destabilized in neurons and thereby increased the average 3'UTR length. Small RNA sequencing captured an increase in microRNA copy number per cell during neurodevelopment. We propose that mRNA destabilization and 3'UTR lengthening are driven in part by an increase in microRNA load in neurons. Our findings identify mRNA stability mechanisms in human neurodevelopment that regulate gene and isoform level abundance and provide a precedent for similar post-transcriptional regulatory events as other tissues develop.
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Affiliation(s)
- Marat Mufteev
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Deivid C Rodrigues
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Kyoko E Yuki
- Genetics & Genome Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Ashrut Narula
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada
- Molecular Medicine, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Wei Wei
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Alina Piekna
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Jiajie Liu
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Peter Pasceri
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Olivia S Rissland
- Molecular Medicine, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- RNA Bioscience Initiative and Department of Biochemistry & Molecular Genetics, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
| | - Michael D Wilson
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada
- Genetics & Genome Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - James Ellis
- Developmental & Stem Cell Biology, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario M5S 1A8, Canada
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7
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Taslim TH, Hussein AM, Keshri R, Ishibashi JR, Chan TC, Nguyen BN, Liu S, Brewer D, Harper S, Lyons S, Garver B, Dang J, Balachandar N, Jhajharia S, Castillo DD, Mathieu J, Ruohola-Baker H. Stress-induced reversible cell-cycle arrest requires PRC2/PRC1-mediated control of mitophagy in Drosophila germline stem cells and human iPSCs. Stem Cell Reports 2022; 18:269-288. [PMID: 36493777 PMCID: PMC9860083 DOI: 10.1016/j.stemcr.2022.11.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 11/02/2022] [Accepted: 11/07/2022] [Indexed: 12/13/2022] Open
Abstract
Following acute genotoxic stress, both normal and tumorous stem cells can undergo cell-cycle arrest to avoid apoptosis and later re-enter the cell cycle to regenerate daughter cells. However, the mechanism of protective, reversible proliferative arrest, "quiescence," remains unresolved. Here, we show that mitophagy is a prerequisite for reversible quiescence in both irradiated Drosophila germline stem cells (GSCs) and human induced pluripotent stem cells (hiPSCs). In GSCs, mitofission (Drp1) or mitophagy (Pink1/Parkin) genes are essential to enter quiescence, whereas mitochondrial biogenesis (PGC1α) or fusion (Mfn2) genes are crucial for exiting quiescence. Furthermore, mitophagy-dependent quiescence lies downstream of mTOR- and PRC2-mediated repression and relies on the mitochondrial pool of cyclin E. Mitophagy-dependent reduction of cyclin E in GSCs and in hiPSCs during mTOR inhibition prevents the usual G1/S transition, pushing the cells toward reversible quiescence (G0). This alternative method of G1/S control may present new opportunities for therapeutic purposes.
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Affiliation(s)
- Tommy H Taslim
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Abdiasis M Hussein
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Riya Keshri
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Julien R Ishibashi
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Tung C Chan
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Bich N Nguyen
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Shuozhi Liu
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Daniel Brewer
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Stuart Harper
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Scott Lyons
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Ben Garver
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Jimmy Dang
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Nanditaa Balachandar
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA; Department of Biotechnology, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, India
| | - Samriddhi Jhajharia
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA; Department of Biotechnology, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, India
| | - Debra Del Castillo
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA
| | - Julie Mathieu
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Hannele Ruohola-Baker
- Department of Biochemistry, University of Washington, Seattle, WA, USA; Institute for Stem Cell and Regenerative Medicine, University of Washington, School of Medicine, Seattle, WA, USA.
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8
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Guo YL, Gurung C, Fendereski M, Huang F. Dicer and PKR as Novel Regulators of Embryonic Stem Cell Fate and Antiviral Innate Immunity. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:2259-2266. [PMID: 35577384 PMCID: PMC9179006 DOI: 10.4049/jimmunol.2200042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 03/21/2022] [Indexed: 05/17/2023]
Abstract
Embryonic stem cells (ESCs) represent a unique cell population in the blastocyst stage embryo. They have been intensively studied as a promising cell source for regenerative medicine. Recent studies have revealed that both human and mouse ESCs are deficient in expressing IFNs and have attenuated inflammatory responses. Apparently, the ability to express IFNs and respond to certain inflammatory cytokines is not "innate" to ESCs but rather is developmentally acquired by somatic cells during differentiation. Accumulating evidence supports a hypothesis that the attenuated innate immune response may serve as a protective mechanism allowing ESCs to avoid immunological cytotoxicity. This review describes our current understanding of the molecular basis that shapes the immune properties of ESCs. We highlight the recent findings on Dicer and dsRNA-activated protein kinase R as novel regulators of ESC fate and antiviral immunity and discuss how ESCs use alternative mechanisms to accommodate their stem cell properties.
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Affiliation(s)
- Yan-Lin Guo
- Cell and Molecular Biology Program, University of Southern Mississippi, Hattiesburg, MS; and
| | - Chandan Gurung
- Cell and Molecular Biology Program, University of Southern Mississippi, Hattiesburg, MS; and
| | - Mona Fendereski
- Cell and Molecular Biology Program, University of Southern Mississippi, Hattiesburg, MS; and
| | - Faqing Huang
- Chemistry and Biochemistry Program, University of Southern Mississippi, Hattiesburg, MS
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9
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Kulthanaamondhita P, Kornsuthisopon C, Photichailert S, Manokawinchoke J, Limraksasin P, Osathanon T. Specific microRNAs regulate dental pulp stem cell behavior. J Endod 2022; 48:688-698. [PMID: 35271859 DOI: 10.1016/j.joen.2022.02.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 02/10/2022] [Accepted: 02/25/2022] [Indexed: 02/07/2023]
Abstract
INTRODUCTION MicroRNAs (miRNAs), small non-coding RNA, control the translation of messenger RNAs into proteins. miRNAs have a crucial role in regulating the diverse biological processes of many physiological and pathological activities. The aim of this systematic review is to explore various functions of miRNAs in the regulation of dental pulp stem cells (DPSCs) behavior. METHODS The articles were searched in PubMed, SCOPUS and ISI Web of Science database using designated keywords. Full-length manuscripts published in English in peer-reviewed journals relevant to the role of miRNAs in DPSC functions were included and reviewed by 2 independent researchers. RESULTS The original search of the database generated 299 studies. One hundred and two duplicate studies were removed. After their exclusion, 48 studies were selected for review. miRNAs have shown to modulate the stemness and differentiation of various mesenchymal stem cells. The miRNAs expression profiles in DPSCs were differed compared with other cell types and have been demonstrated to regulate the levels of proteins crucial for promoting or inhibiting DPSC proliferation as well as differentiation. Further, miRNAs also modulate inflammatory processes in dental pulp. CONCLUSION miRNAs have various function upon the regulation of DPSCs and understanding these roles of miRNAs is crucial for the development of new therapeutics in regenerative dental medicine. With the advancing technologies, the utilization of miRNA technology could revolutionarily change the future of regenerative endodontics.
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Affiliation(s)
- Promphakkon Kulthanaamondhita
- Dental Stem Cell Biology Research Unit and Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Chatvadee Kornsuthisopon
- Dental Stem Cell Biology Research Unit and Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Suphalak Photichailert
- Dental Stem Cell Biology Research Unit and Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Jeeranan Manokawinchoke
- Dental Stem Cell Biology Research Unit and Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Phoonsuk Limraksasin
- Dental Stem Cell Biology Research Unit and Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand; Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan
| | - Thanaphum Osathanon
- Dental Stem Cell Biology Research Unit and Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
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10
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Shah JA, Khattak S, Rauf MA, Cai Y, Jin J. Potential Biomarkers of miR-371-373 Gene Cluster in Tumorigenesis. Life (Basel) 2021; 11:life11090984. [PMID: 34575133 PMCID: PMC8465240 DOI: 10.3390/life11090984] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/12/2022] Open
Abstract
microRNAs (miRNAs) are small non-coding RNA transcripts (20–24 nucleotides) that bind to their complementary sequences in the 3′-untranslated regions (3′-UTR) of targeted genes to negatively or positively regulate their expression. miRNAs affect the expression of genes in cells, thereby contributing to several important biological processes, including tumorigenesis. Identifying the miRNA cluster as a human embryonic stem cell (hESC)-specific miRNAs initially led to the identification of miR-371, miR-372, miR-373, and miR-373*, which can ultimately be translated into mature miRNAs. Recent evidence suggests that miR-371–373 genes are abnormally expressed in various cancers and act either as oncogenes or tumor suppressors, indicating they may be suitable as molecular biomarkers for cancer diagnosis and prevention. In this article, we summarize recent studies linking miR-371–373 functions to tumorigenesis and speculate on the potential applications of miR-371–373 as biomarkers for cancer diagnosis and treatment.
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Affiliation(s)
- Junaid Ali Shah
- School of Life Sciences, Jilin University, Changchun 130012, China; (J.A.S.); (Y.C.)
| | - Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China;
| | - Mohd Ahmar Rauf
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA; or
| | - Yong Cai
- School of Life Sciences, Jilin University, Changchun 130012, China; (J.A.S.); (Y.C.)
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Jingji Jin
- School of Life Sciences, Jilin University, Changchun 130012, China; (J.A.S.); (Y.C.)
- School of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Correspondence:
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11
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Tuysuz EC, Ozbey U, Gulluoglu S, Kuskucu A, Sahin F, Bayrak OF. miRNAs as cell fate determinants of lateral and paraxial mesoderm differentiation from embryonic stem cells. Dev Biol 2021; 478:212-221. [PMID: 34245726 DOI: 10.1016/j.ydbio.2021.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 10/20/2022]
Abstract
To date, the role of miRNAs on pluripotency and differentiation of ESCs into specific lineages has been studied extensively. However, the specific role of miRNAs during lateral and paraxial mesoderm cell fate decision is still unclear. To address this, we firstly determined miRNA profile of mouse ESCs differentiating towards lateral and paraxial lineages which were detected using Flk1 and PDGFαR antibodies, and of myogenic and hematopoietic differentiation potential of purified paraxial and lateral mesodermal cells within these populations. miRNAs associated with lateral and paraxial mesoderm, and their targets were identified using bioinformatics tools. The targets of the corresponding miRNAs were validated after transfection into mouse ESCs. The roles of the selected miRNAs in lateral, and paraxial mesoderm formation were assessed along with hematopoietic and myogenic differentiation capacity. Among the miRNAs, mmu-miR-126a-3p, mmu-miR-335-5p and mmu-miR-672-5p, upregulated in lateral mesoderm cells, and mmu-miR-10b-5p, mmu-miR-196a-5p and mmu-miR-615-3p, upregulated in paraxial mesoderm cells. While transient co-transfection of mmu-miR-126a-3p, mmu-miR-335-5p and mmu-miR-672-5p increased the number of lateral mesodermal cells, co-transfection of mmu-miR-10b-5p, mmu-miR-196a-5p and mmu-miR-615-3p increased the number of paraxial mesodermal cells. Moreover, differentiation potential of the lateral mesodermal cells into hematopoietic cell lineage increased upon co-transfection of mmu-miR-126a-3p, mmu-miR-335-5p and mmu-miR-672-5p and differentiation potential of the paraxial mesodermal cells into skeletal muscle lineage were increased upon co-transfection of mmu-miR-10b-5p, mmu-miR-196a-5p and mmu-miR-615-3p. In conclusion, we determined the miRNA profile of lateral and paraxial mesodermal cells and co-transfection of miRNAs increased differentiation potential of both lateral and paraxial mesodermal cells transiently.
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Affiliation(s)
- Emre Can Tuysuz
- Department of Medical Genetics, Yeditepe University Medical School, 34755, Istanbul, Turkey; Department of Genetics and Bioengineering, Yeditepe University, 34755, Istanbul, Turkey
| | - Utku Ozbey
- Department of Medical Genetics, Yeditepe University Medical School, 34755, Istanbul, Turkey; Department of Genetics and Bioengineering, Yeditepe University, 34755, Istanbul, Turkey
| | - Sukru Gulluoglu
- Department of Immunology, School of Medicine, Marmara University, 34854, Istanbul, Turkey
| | - Aysegul Kuskucu
- Department of Medical Genetics, Yeditepe University Medical School, 34755, Istanbul, Turkey
| | - Fikrettin Sahin
- Department of Genetics and Bioengineering, Yeditepe University, 34755, Istanbul, Turkey
| | - Omer Faruk Bayrak
- Department of Medical Genetics, Yeditepe University Medical School, 34755, Istanbul, Turkey.
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12
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Fasoulakis Z, Daskalakis G, Diakosavvas M, Papapanagiotou I, Theodora M, Bourazan A, Alatzidou D, Pagkalos A, Kontomanolis EN. MicroRNAs Determining Carcinogenesis by Regulating Oncogenes and Tumor Suppressor Genes During Cell Cycle. Microrna 2021; 9:82-92. [PMID: 31538910 PMCID: PMC7366009 DOI: 10.2174/2211536608666190919161849] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 05/21/2019] [Accepted: 08/03/2019] [Indexed: 02/06/2023]
Abstract
AIM To provide a review considering microRNAs regulating oncogenes and tumor suppressor genes during the different stages of cell cycle, controlling carcinogenesis. METHODS The role of microRNAs involved as oncogenes' and tumor suppressor genes' regulators in cancer was searched in the relevant available literature in MEDLINE, including terms such as "microRNA", "oncogenes", "tumor suppressor genes", "metastasis", "cancer" and others. RESULTS MicroRNAs determine the expression levels of multiple cell cycle regulators, such as cyclins, cyclin dependent kinases and other major cell cycle activators including retinoblastoma 1 (RB- 1) and p53, resulting in alteration and promotion/inhibition of the cell cycle. CONCLUSION MicroRNAs are proven to have a key role in cancer pathophysiology by altering the expression profile of different regulator proteins during cell division cycle and DNA replication. Thus, by acting as oncogenes and tumor suppressor genes, they can either promote or inhibit cancer development and formation, revealing their innovative role as biomarkers and therapeutic tools.
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Affiliation(s)
- Zacharias Fasoulakis
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
| | - George Daskalakis
- 1st Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Athens, Greece
| | - Michail Diakosavvas
- 1st Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioannis Papapanagiotou
- 1st Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Athens, Greece
| | - Marianna Theodora
- 1st Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Athens, Greece
| | - Arzou Bourazan
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Dimitra Alatzidou
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
| | - Athanasios Pagkalos
- Department of Obstetrics and Gynecology, General Hospital of Xanthi, Thrace, Greece
| | - Emmanuel N Kontomanolis
- Department of Obstetrics and Gynecology, Democritus University of Thrace, Alexandroupolis, Greece
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13
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The Key Role of MicroRNAs in Self-Renewal and Differentiation of Embryonic Stem Cells. Int J Mol Sci 2020; 21:ijms21176285. [PMID: 32877989 PMCID: PMC7504502 DOI: 10.3390/ijms21176285] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/21/2020] [Accepted: 08/28/2020] [Indexed: 12/17/2022] Open
Abstract
Naïve pluripotent embryonic stem cells (ESCs) and epiblast stem cells (EpiSCs) represent distinctive developmental stages, mimicking the pre- and the post-implantation events during the embryo development, respectively. The complex molecular mechanisms governing the transition from ESCs into EpiSCs are orchestrated by fluctuating levels of pluripotency transcription factors (Nanog, Oct4, etc.) and wide-ranging remodeling of the epigenetic landscape. Recent studies highlighted the pivotal role of microRNAs (miRNAs) in balancing the switch from self-renewal to differentiation of ESCs. Of note, evidence deriving from miRNA-based reprogramming strategies underscores the role of the non-coding RNAs in the induction and maintenance of the stemness properties. In this review, we revised recent studies concerning the functions mediated by miRNAs in ESCs, with the aim of giving a comprehensive view of the highly dynamic miRNA-mediated tuning, essential to guarantee cell cycle progression, pluripotency maintenance and the proper commitment of ESCs.
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14
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Wang Y, Hussein AM, Somasundaram L, Sankar R, Detraux D, Mathieu J, Ruohola-Baker H. microRNAs Regulating Human and Mouse Naïve Pluripotency. Int J Mol Sci 2019; 20:E5864. [PMID: 31766734 PMCID: PMC6929104 DOI: 10.3390/ijms20235864] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/07/2019] [Accepted: 11/13/2019] [Indexed: 12/16/2022] Open
Abstract
microRNAs are ~22bp nucleotide non-coding RNAs that play important roles in the post-transcriptional regulation of gene expression. Many studies have established that microRNAs are important for cell fate choices, including the naïve to primed pluripotency state transitions, and their intermediate state, the developmentally suspended diapause state in early development. However, the full extent of microRNAs associated with these stage transitions in human and mouse remain under-explored. By meta-analysis of microRNA-seq, RNA-seq, and metabolomics datasets from human and mouse, we found a set of microRNAs, and importantly, their experimentally validated target genes that show consistent changes in naïve to primed transitions (microRNA up, target genes down, or vice versa). The targets of these microRNAs regulate developmental pathways (e.g., the Hedgehog-pathway), primary cilium, and remodeling of metabolic processes (oxidative phosphorylation, fatty acid metabolism, and amino acid transport) during the transition. Importantly, we identified 115 microRNAs that significantly change in the same direction in naïve to primed transitions in both human and mouse, many of which are novel candidate regulators of pluripotency. Furthermore, we identified 38 microRNAs and 274 target genes that may be involved in diapause, where embryonic development is temporarily suspended prior to implantation to uterus. The upregulated target genes suggest that microRNAs activate stress response in the diapause stage. In conclusion, we provide a comprehensive resource of microRNAs and their target genes involved in naïve to primed transition and in the paused intermediate, the embryonic diapause stage.
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Affiliation(s)
- Yuliang Wang
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, WA 98195, USA
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
| | - Abdiasis M. Hussein
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Logeshwaran Somasundaram
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Rithika Sankar
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
| | - Damien Detraux
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
- Department of Comparative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Julie Mathieu
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
- Department of Comparative Medicine, University of Washington, Seattle, WA 98195, USA
| | - Hannele Ruohola-Baker
- Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, USA; (A.M.H.); (L.S.); (R.S.); (D.D.)
- Department of Biochemistry, University of Washington, Seattle, WA 98195, USA
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15
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MicroRNAs - novel biomarkers for malignant pleural effusions. Contemp Oncol (Pozn) 2019; 23:133-140. [PMID: 31798327 PMCID: PMC6883963 DOI: 10.5114/wo.2019.89241] [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: 04/28/2019] [Accepted: 08/09/2019] [Indexed: 12/24/2022] Open
Abstract
Lung cancer is one of the most common causes of cancer death. Its poor prognosis can be attributed to the patients’ advanced or metastatic presentation at the time of diagnosis. To improve and accelerate the diagnosis, better therapeutic and diagnostic methods are constantly being sought. MicroRNAs (miRNAs) are short nucleotide sequences of single-stranded, non-coding RNA that function as critical post-transcriptional regulators of gene expression. They are identified not only intracellularly, but also in physiological and pathological body fluids. These molecules are responsible for the regulation of approximately 33% of human genes, either regulating the expression of both oncogenes and suppressor genes or acting directly as an oncogene or suppressor gene itself. MiRNAs can contribute to the formation of cancer. The high specificity and sensitivity of miRNAs have been demonstrated with various malignant diseases, and for this reason, they raise particular interest as new and perspective biomarkers of tumours. Our work summarises the available information from recent years regarding the possibility of using miRNAs as biomarkers in the diagnosis of neoplasms. In this review, we focused on malignant pleural effusions with an emphasis on non-small cell lung cancer (NSCLC).
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16
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Roles of MicroRNAs in Establishing and Modulating Stem Cell Potential. Int J Mol Sci 2019; 20:ijms20153643. [PMID: 31349654 PMCID: PMC6696000 DOI: 10.3390/ijms20153643] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/18/2019] [Accepted: 07/22/2019] [Indexed: 12/11/2022] Open
Abstract
Early embryonic development in mammals, from fertilization to implantation, can be viewed as a process in which stem cells alternate between self-renewal and differentiation. During this process, the fates of stem cells in embryos are gradually specified, from the totipotent state, through the segregation of embryonic and extraembryonic lineages, to the molecular and cellular defined progenitors. Most of those stem cells with different potencies in vivo can be propagated in vitro and recapitulate their differentiation abilities. Complex and coordinated regulations, such as epigenetic reprogramming, maternal RNA clearance, transcriptional and translational landscape changes, as well as the signal transduction, are required for the proper development of early embryos. Accumulated studies suggest that Dicer-dependent noncoding RNAs, including microRNAs (miRNAs) and endogenous small-interfering RNAs (endo-siRNAs), are involved in those regulations and therefore modulate biological properties of stem cells in vitro and in vivo. Elucidating roles of these noncoding RNAs will give us a more comprehensive picture of mammalian embryonic development and enable us to modulate stem cell potencies. In this review, we will discuss roles of miRNAs in regulating the maintenance and cell fate potential of stem cells in/from mouse and human early embryos.
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17
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de Souza Lima IM, Schiavinato JLDS, Paulino Leite SB, Sastre D, Bezerra HLDO, Sangiorgi B, Corveloni AC, Thomé CH, Faça VM, Covas DT, Zago MA, Giacca M, Mano M, Panepucci RA. High-content screen in human pluripotent cells identifies miRNA-regulated pathways controlling pluripotency and differentiation. Stem Cell Res Ther 2019; 10:202. [PMID: 31287022 PMCID: PMC6615276 DOI: 10.1186/s13287-019-1318-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 06/11/2019] [Accepted: 06/30/2019] [Indexed: 01/13/2023] Open
Abstract
Background By post-transcriptionally regulating multiple target transcripts, microRNAs (miRNAs or miR) play important biological functions. H1 embryonic stem cells (hESCs) and NTera-2 embryonal carcinoma cells (ECCs) are two of the most widely used human pluripotent model cell lines, sharing several characteristics, including the expression of miRNAs associated to the pluripotent state or with differentiation. However, how each of these miRNAs functionally impacts the biological properties of these cells has not been systematically evaluated. Methods We investigated the effects of 31 miRNAs on NTera-2 and H1 hESCs, by transfecting miRNA mimics. Following 3–4 days of culture, cells were stained for the pluripotency marker OCT4 and the G2 cell-cycle marker Cyclin B1, and nuclei and cytoplasm were co-stained with Hoechst and Cell Mask Blue, respectively. By using automated quantitative fluorescence microscopy (i.e., high-content screening (HCS)), we obtained several morphological and marker intensity measurements, in both cell compartments, allowing the generation of a multiparametric miR-induced phenotypic profile describing changes related to proliferation, cell cycle, pluripotency, and differentiation. Results Despite the overall similarities between both cell types, some miRNAs elicited cell-specific effects, while some related miRNAs induced contrasting effects in the same cell. By identifying transcripts predicted to be commonly targeted by miRNAs inducing similar effects (profiles grouped by hierarchical clustering), we were able to uncover potentially modulated signaling pathways and biological processes, likely mediating the effects of the microRNAs on the distinct groups identified. Specifically, we show that miR-363 contributes to pluripotency maintenance, at least in part, by targeting NOTCH1 and PSEN1 and inhibiting Notch-induced differentiation, a mechanism that could be implicated in naïve and primed pluripotent states. Conclusions We present the first multiparametric high-content microRNA functional screening in human pluripotent cells. Integration of this type of data with similar data obtained from siRNA screenings (using the same HCS assay) could provide a large-scale functional approach to identify and validate microRNA-mediated regulatory mechanisms controlling pluripotency and differentiation. Electronic supplementary material The online version of this article (10.1186/s13287-019-1318-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ildercílio Mota de Souza Lima
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Josiane Lilian Dos Santos Schiavinato
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Sarah Blima Paulino Leite
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Danuta Sastre
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil
| | - Hudson Lenormando de Oliveira Bezerra
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Bruno Sangiorgi
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Amanda Cristina Corveloni
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Carolina Hassibe Thomé
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, Brazil
| | - Vitor Marcel Faça
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, Brazil
| | - Dimas Tadeu Covas
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Marco Antônio Zago
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil.,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Mauro Giacca
- Molecular Medicine Laboratory, International Centre for Genetic and Engineering and Biotechnology (ICGEB), Trieste, Italy
| | - Miguel Mano
- Molecular Medicine Laboratory, International Centre for Genetic and Engineering and Biotechnology (ICGEB), Trieste, Italy.,Center for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal
| | - Rodrigo Alexandre Panepucci
- Laboratory of Functional Biology (LFBio), Center for Cell-Based Therapy (CTC), Regional Blood Center of Ribeirão Preto, Rua Tenente Catão Roxo, 2501, Ribeirão Preto, SP, CEP: 14051-140, Brazil. .,Department of Genetics and Internal Medicine, Ribeirao Preto Medical School, University of São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil.
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18
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Wang JH, Li Y, Deng SL, Liu YX, Lian ZX, Yu K. Recent Research Advances in Mitosis during Mammalian Gametogenesis. Cells 2019; 8:cells8060567. [PMID: 31185583 PMCID: PMC6628140 DOI: 10.3390/cells8060567] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/02/2019] [Accepted: 06/06/2019] [Indexed: 12/13/2022] Open
Abstract
Mitosis is a highly sophisticated and well-regulated process during the development and differentiation of mammalian gametogenesis. The regulation of mitosis plays an essential role in keeping the formulation in oogenesis and gametogenesis. In the past few years, substantial research progress has been made by showing that cyclins/cyclin-dependent kinase (CDK) have roles in the regulation of meiosis. In addition, more functional signaling molecules have been discovered in mitosis. Growing evidence has also indicated that miRNAs influence cell cycling. In this review, we focus on specific genes, cyclins/Cdk, signaling pathways/molecules, and miRNAs to discuss the latest achievements in understanding their roles in mitosis during gametogenesis. Further elucidation of mitosis during gametogenesis may facilitate delineating all processes of mammalian reproduction and the development of disease treatments.
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Affiliation(s)
- Jia-Hao Wang
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
| | - Yan Li
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
| | - Shou-Long Deng
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China.
| | - Yi-Xun Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Zheng-Xing Lian
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
| | - Kun Yu
- Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
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19
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Antiviral RNAi in Insects and Mammals: Parallels and Differences. Viruses 2019; 11:v11050448. [PMID: 31100912 PMCID: PMC6563508 DOI: 10.3390/v11050448] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 12/26/2022] Open
Abstract
The RNA interference (RNAi) pathway is a potent antiviral defense mechanism in plants and invertebrates, in response to which viruses evolved suppressors of RNAi. In mammals, the first line of defense is mediated by the type I interferon system (IFN); however, the degree to which RNAi contributes to antiviral defense is still not completely understood. Recent work suggests that antiviral RNAi is active in undifferentiated stem cells and that antiviral RNAi can be uncovered in differentiated cells in which the IFN system is inactive or in infections with viruses lacking putative viral suppressors of RNAi. In this review, we describe the mechanism of RNAi and its antiviral functions in insects and mammals. We draw parallels and highlight differences between (antiviral) RNAi in these classes of animals and discuss open questions for future research.
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20
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Piroozian F, Bagheri Varkiyani H, Koolivand M, Ansari M, Afsa M, AtashAbParvar A, MalekZadeh K. The impact of variations in transcription of DICER and AGO2 on exacerbation of childhood B-cell lineage acute lymphoblastic leukaemia. Int J Exp Pathol 2019; 100:184-191. [PMID: 31090156 DOI: 10.1111/iep.12316] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 03/02/2019] [Accepted: 04/02/2019] [Indexed: 12/18/2022] Open
Abstract
The expression of microRNA in eukaryotic cells is subject to tightly regulated processing. The altered expression of microRNAs in a number of cancers suggests their contribution to disease pathogenesis, where processing pathways may be involved in disease pathogenesis. In the present study, we evaluated changes in the profile of two main components of microRNA biogenesis, AGO2 and DICER, and assessed their correlation with disease progression in childhood acute lymphoblastic leukaemia (ALL). To achieve this aim, 25 patients afflicted with ALL were included in the study along with 25 healthy subjects as control. The expression level of AGO2 and DICER was evaluated by real-time PCR. The results revealed an increase in the expression of DICER and a decrease in AGO2 in patients. The correlation between the alteration levels of these genes with pathologic events was also studied. This increase or decrease proved to be directly correlated with the progression of the disease particularly in L1 to L2. According to the obtained results, it can be deduced that dysregulation in transcription of DICER and AGO2, involved in the formation of mature microRNAs in cytoplasm of ALL cancer cells, is a part of the pathological molecular mechanism implicated in the exacerbation of this malignancy. Therefore, the genes involved in microRNAs biogenesis that have been studied here could be considered as candidate prognostic markers especially in childhood ALL which will help towards a better understanding of the molecular basis of ALL.
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Affiliation(s)
- Fatemeh Piroozian
- Department of Medical Genetic, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Hoda Bagheri Varkiyani
- Department of Pathology, Shahid Mohammadi Hospital, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Mohsen Koolivand
- Department of Clinical Biochemistry, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Maryam Ansari
- Department of Pathology, Shahid Mohammadi Hospital, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Masoomeh Afsa
- Hormozgan Institute of Health, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Ali AtashAbParvar
- Department of Pathology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Kianoosh MalekZadeh
- Department of Medical Genetic, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.,Hormozgan Institute of Health, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
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21
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Abstract
MicroRNAs (miRNAs) are a class of small non-coding RNA molecules involved in the regulation of gene expression. They are involved in the fine-tuning of fundamental biological processes such as proliferation, differentiation, survival and apoptosis in many cell types. Emerging evidence suggests that miRNAs regulate critical pathways involved in stem cell function. Several miRNAs have been suggested to target transcripts that directly or indirectly coordinate the cell cycle progression of stem cells. Moreover, previous studies have shown that altered expression levels of miRNAs can contribute to pathological conditions, such as cancer, due to the loss of cell cycle regulation. However, the precise mechanism underlying miRNA-mediated regulation of cell cycle in stem cells is still incompletely understood. In this review, we discuss current knowledge of miRNAs regulatory role in cell cycle progression of stem cells. We describe how specific miRNAs may control cell cycle associated molecules and checkpoints in embryonic, somatic and cancer stem cells. We further outline how these miRNAs could be regulated to influence cell cycle progression in stem cells as a potential clinical application.
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Affiliation(s)
- Michelle M J Mens
- Department of Epidemiology, Erasmus University Medical Center, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Mohsen Ghanbari
- Department of Epidemiology, Erasmus University Medical Center, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands. .,Department of Genetics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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22
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Kaur S, Abu-Shahba AG, Paananen RO, Hongisto H, Hiidenmaa H, Skottman H, Seppänen-Kaijansinkko R, Mannerström B. Small non-coding RNA landscape of extracellular vesicles from human stem cells. Sci Rep 2018; 8:15503. [PMID: 30341351 PMCID: PMC6195565 DOI: 10.1038/s41598-018-33899-6] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 10/08/2018] [Indexed: 12/13/2022] Open
Abstract
Extracellular vesicles (EVs) are reported to be involved in stem cell maintenance, self-renewal, and differentiation. Due to their bioactive cargoes influencing cell fate and function, interest in EVs in regenerative medicine has rapidly increased. EV-derived small non-coding RNA mimic the functions of the parent stem cells, regulating the maintenance and differentiation of stem cells, controlling the intercellular regulation of gene expression, and eventually affecting the cell fate. In this study, we used RNA sequencing to provide a comprehensive overview of the expression profiles of small non-coding transcripts carried by the EVs derived from human adipose tissue stromal/stem cells (AT-MSCs) and human pluripotent stem cells (hPSCs), both human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSC). Both hPSCs and AT-MSCs were characterized and their EVs were extracted using standard protocols. Small non-coding RNA sequencing from EVs showed that hPSCs and AT-MSCs showed distinct profiles, unique for each stem cell source. Interestingly, in hPSCs, most abundant miRNAs were from specific miRNA families regulating pluripotency, reprogramming and differentiation (miR-17-92, mir-200, miR-302/367, miR-371/373, CM19 microRNA cluster). For the AT-MSCs, the highly expressed miRNAs were found to be regulating osteogenesis (let-7/98, miR-10/100, miR-125, miR-196, miR-199, miR-615-3p, mir-22-3p, mir-24-3p, mir-27a-3p, mir-193b-5p, mir-195-3p). Additionally, abundant small nuclear and nucleolar RNA were detected in hPSCs, whereas Y- and tRNA were found in AT-MSCs. Identification of EV-miRNA and non-coding RNA signatures released by these stem cells will provide clues towards understanding their role in intracellular communication, and well as their roles in maintaining the stem cell niche.
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Affiliation(s)
- Sippy Kaur
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Ahmed G Abu-Shahba
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tanta University, Tanta, Egypt
| | - Riku O Paananen
- Helsinki Eye Lab, Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Heidi Hongisto
- Faculty of Medicine and Life Sciences, BioMediTech, University of Tampere, Tampere, Finland
| | - Hanna Hiidenmaa
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Heli Skottman
- Faculty of Medicine and Life Sciences, BioMediTech, University of Tampere, Tampere, Finland
| | - Riitta Seppänen-Kaijansinkko
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Bettina Mannerström
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
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23
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Teijeiro V, Yang D, Majumdar S, González F, Rickert RW, Xu C, Koche R, Verma N, Lai EC, Huangfu D. DICER1 Is Essential for Self-Renewal of Human Embryonic Stem Cells. Stem Cell Reports 2018; 11:616-625. [PMID: 30146489 PMCID: PMC6135725 DOI: 10.1016/j.stemcr.2018.07.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 07/27/2018] [Accepted: 07/27/2018] [Indexed: 02/01/2023] Open
Abstract
MicroRNAs (miRNAs) are the effectors of a conserved gene-silencing system with broad roles in post-transcriptional regulation. Due to functional overlaps, assigning specific functions to individual miRNAs has been challenging. DICER1 cleaves pre-miRNA hairpins into mature miRNAs, and previously Dicer1 knockout mouse embryonic stem cells have been generated to study miRNA function in early mouse development. Here we report an essential requirement of DICER1 for the self-renewal of human embryonic stem cells (hESCs). Utilizing a conditional knockout approach, we found that DICER1 deletion led to increased death receptor-mediated apoptosis and failure of hESC self-renewal. We further devised a targeted miRNA screening strategy and uncovered essential pro-survival roles of members of the mir-302-367 and mir-371-373 clusters that bear the seed sequence AAGUGC. This platform is uniquely suitable for dissecting the roles of individual miRNAs in hESC self-renewal and differentiation, which may help us better understand the early development of human embryos. Conditional DICER1 knockouts enable the study of its essential requirement in hESCs DICER1 deletion leads to increased extrinsic (receptor-mediated) apoptosis miRNAs rescue the DICER1 knockout apoptotic phenotype This work provides a platform for interrogating miRNA function in hESCs
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Affiliation(s)
- Virginia Teijeiro
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA; Weill Cornell Graduate School of Medical Sciences, 1300 York Avenue, New York, NY 10065, USA
| | - Dapeng Yang
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Sonali Majumdar
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Federico González
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Robert W Rickert
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Chunlong Xu
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Richard Koche
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Nipun Verma
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA; Weill Cornell Graduate School of Medical Sciences, Tri-Institutional M.D.-Ph.D. Program, 1300 York Avenue, New York, NY 10065, USA
| | - Eric C Lai
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Danwei Huangfu
- Developmental Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA.
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24
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Verdelli C, Forno I, Morotti A, Creo P, Guarnieri V, Scillitani A, Cetani F, Vicentini L, Balza G, Beretta E, Ferrero S, Vaira V, Corbetta S. The aberrantly expressed miR-372 partly impairs sensitivity to apoptosis in parathyroid tumor cells. Endocr Relat Cancer 2018; 25:761-771. [PMID: 29724878 DOI: 10.1530/erc-17-0204] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 05/01/2018] [Indexed: 01/08/2023]
Abstract
Parathyroid tumors deregulate microRNAs belonging to the two clusters on the chromosome 19, the C19MC and miR-371-373 clusters. Here, we report that the embryonic miR-372 is aberrantly expressed in half of parathyroid adenomas (PAds) in most of atypical adenomas and carcinomas (n = 15). Through in situ hybridization, we identified that miR-372-positive parathyroid tumor cells were scattered throughout the tumor parenchyma. In PAd-derived cells, ectopic miR-372 inhibited the expression of its targets CDKN1A/p21 and LATS2 at both mRNA and protein levels. Although the viability of parathyroid cells was not affected by miR-372 overexpression, the miRNA blunted camptothecin-induced apoptosis in primary PAd-derived cultures. miR-372 overexpression in parathyroid tumor cells increased parathormone (PTH) mRNA levels, and it positively correlated in vivo with circulating PTH levels. Conversely, the parathyroid-specific genes TBX1 and GCM2 were not affected by miR-372 mimic transfection. Finally, miR-372 dampened the Wnt pathway in parathyroid tumor cells through DKK1 upregulation. In conclusion, miR-372 is a novel mechanism exploited by a subset of parathyroid tumor cells to partially decrease sensitivity to apoptosis, to increase PTH synthesis and to deregulate Wnt signaling.
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Affiliation(s)
- Chiara Verdelli
- Laboratory of Experimental EndocrinologyIRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Irene Forno
- Department of Pathophysiology and TransplantationUniversity of Milan, Milan, Italy
- Division of PathologyFondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Annamaria Morotti
- Department of Pathophysiology and TransplantationUniversity of Milan, Milan, Italy
- Division of PathologyFondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Pasquale Creo
- Laboratory of Stem Cells for Tissue EngineeringIRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Vito Guarnieri
- Medical GeneticsIRCCS Hospital Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia, Italy
| | - Alfredo Scillitani
- Endocrine UnitIRCCS Hospital Casa Sollievo della Sofferenza, San Giovanni Rotondo, Foggia, Italy
| | - Filomena Cetani
- Department of Endocrinology and MetabolismUniversity of Pisa, Pisa, Italy
| | - Leonardo Vicentini
- Endocrine SurgeryIRCCS Fondazione Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Gianni Balza
- Endocrinology UnitOspedale Manzoni, Lecco, Italy
| | | | - Stefano Ferrero
- Division of PathologyFondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of BiomedicalSurgical and Dental Sciences, University of Milan, Milan, Italy
| | - Valentina Vaira
- Department of Pathophysiology and TransplantationUniversity of Milan, Milan, Italy
- Division of PathologyFondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Sabrina Corbetta
- Endocrinology UnitDepartment of Biomedical Sciences for Health, University of Milan, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
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25
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Cheng X, Chen J, Huang Z. miR-372 promotes breast cancer cell proliferation by directly targeting LATS2. Exp Ther Med 2018; 15:2812-2817. [PMID: 29456685 PMCID: PMC5795589 DOI: 10.3892/etm.2018.5761] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 01/05/2018] [Indexed: 12/14/2022] Open
Abstract
MicroRNAs (miRs) have previously been demonstrated to be important in the tumorigenesis and progression of breast cancer. miR-372 was previously revealed to be involved in various types of human cancer, however its function in breast cancer remains largely unknown. The present study demonstrated that miR-372 is frequently overexpressed in breast cancer cell lines and tissues. The downregulation of miR-372 markedly inhibited cell proliferation, arrested the cell cycle in the G1/S phase, and increased the apoptosis of breast cancer cells. Consistently, an in vivo xenograft study also demonstrated the suppressive effects of miR-372 knockdown on tumor growth. Further studies revealed that miR-372 modulated the expression of large tumor suppressor kinase 2 (LATS2) by directly targeting its 3′-untranslated region in breast cancer cells. Furthermore, silencing of LATS2 was able to rescue the effect of the miR-372 inhibitor. Overall, the results suggest that miR-372 functions as an oncogenic miRNA in breast cancer by targeting LATS2.
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Affiliation(s)
- Xueyuan Cheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China.,Department of General Surgery, Beihai People's Hospital, Beihai, Guangxi 536000, P.R. China
| | - Junqiang Chen
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Zhong Huang
- Department of General Surgery, Beihai People's Hospital, Beihai, Guangxi 536000, P.R. China
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26
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Vaira V, Verdelli C, Forno I, Corbetta S. MicroRNAs in parathyroid physiopathology. Mol Cell Endocrinol 2017; 456:9-15. [PMID: 27816765 DOI: 10.1016/j.mce.2016.10.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 10/30/2016] [Accepted: 10/31/2016] [Indexed: 12/19/2022]
Abstract
Parathyroid glands regulate calcium homeostasis through synthesis and secretion of parathormone (PTH). They sense the extracellular calcium concentration through the G-protein coupled calcium sensing receptor (CASR) and release PTH in order to preserve calcium concentration in the physiological range. Tumors of the parathyroid glands are common endocrine neoplasia associated with primary or secondary/tertiary hyperparathyroidisms. Small non-coding RNAs are regulators of gene expression able to modulate hormone synthesis, hormone release and endocrine cell proliferation. In this scenario, microRNA (miRNA) expression profiles have been investigated in parathyroid tumors, while miRNAs are involved in hypocalcemia and uremia-induced PTH release from normal parathyroid cells. Here we reviewed data about the role of miRNAs in the regulation of: 1) PTH synthesis and secretion; 2) CASR expression; 3) parathyroid cell tumorigenesis. Though studies about miRNAs in parathyroid gland pathophysiology are limited, they contribute in elucidating regulatory pathways involved in PTH release and parathyroid cell tumorigenesis.
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Affiliation(s)
- V Vaira
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; Division of Pathology, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - C Verdelli
- Laboratory of Experimental Endocrinology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - I Forno
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy; Division of Pathology, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - S Corbetta
- Endocrinology Service, Department of Biomedical Sciences for Health, University of Milan, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.
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27
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28
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Hashemzadeh MR. Role of micro RNAs in stem cells, cardiac differentiation and cardiovascular diseases. GENE REPORTS 2017. [DOI: 10.1016/j.genrep.2017.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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29
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Yuan K, Ai WB, Wan LY, Tan X, Wu JF. The miR-290-295 cluster as multi-faceted players in mouse embryonic stem cells. Cell Biosci 2017; 7:38. [PMID: 28794853 PMCID: PMC5547456 DOI: 10.1186/s13578-017-0166-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 08/01/2017] [Indexed: 01/04/2023] Open
Abstract
Increasing evidence indicates that embryonic stem cell specific microRNAs (miRNAs) play an essential role in the early development of embryo. Among them, the miR-290-295 cluster is the most highly expressed in the mouse embryonic stem cells and involved in various biological processes. In this paper, we reviewed the research progress of the function of the miR-290-295 cluster in embryonic stem cells. The miR-290-295 cluster is involved in regulating embryonic stem cell pluripotency maintenance, self-renewal, and reprogramming somatic cells to an embryonic stem cell-like state. Moreover, the miR-290-295 cluster has a latent pro-survival function in embryonic stem cells and involved in tumourigenesis and senescence with a great significance. Elucidating the interaction between the miR-290-295 cluster and other modes of gene regulation will provide us new ideas on the biology of pluripotent stem cells. In the near future, the broad prospects of the miRNA cluster will be shown in the stem cell field, such as altering cell identities with high efficiency through the transient introduction of tissue-specific miRNA cluster.
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Affiliation(s)
- Kai Yuan
- Institute of Organ Fibrosis and Targeted Drug Delivery, Medical College, China Three Gorges University, 8 Daxue Road, Xiling District, Yichang, 443002 China
| | - Wen-Bing Ai
- The Yiling Hospital of Yichang, 31 Donghu Road, Yi Ling District, Yichang, 443100 Hubei China
| | - Lin-Yan Wan
- Institute of Organ Fibrosis and Targeted Drug Delivery, Medical College, China Three Gorges University, 8 Daxue Road, Xiling District, Yichang, 443002 China.,The RenMin Hospital, China Three Gorges University, 31 Huti Subdistrict, Xi Ling District, Yichang, 443000 Hubei China
| | - Xiao Tan
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, China Three Gorges University, 8 Daxue Road, Xiling District, Yichang, 443002 China
| | - Jiang-Feng Wu
- Institute of Organ Fibrosis and Targeted Drug Delivery, Medical College, China Three Gorges University, 8 Daxue Road, Xiling District, Yichang, 443002 China
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30
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He X, Ji J, Wang T, Wang MB, Chen XL. Upregulation of Circulating miR-195-3p in Heart Failure. Cardiology 2017; 138:107-114. [PMID: 28618405 DOI: 10.1159/000476029] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 04/25/2017] [Indexed: 12/15/2022]
Abstract
OBJECTIVES Many circulating microRNAs (miRs) have been shown to have potential biomarker effects in cardiovascular disease. We studied the dysregulation of circulating miR-195-3p in patients with heart failure (HF) to elucidate its value as a potential biomarker for HF. METHODS Eight ischemic HF (IHF) patients, 8 nonischemic HF patients (NIHF), and 8 healthy volunteers (matched by age and sex - normal controls [NCs]) were chosen for miR sequencing. The plasma RNA was extracted, and a small RNA library of HF was established and then sequenced using next-generation sequencing (NGS) technology. The miR-195-3p was selected for a second clinical study in 60 IHF, 48 NIHF patients, and 35 NCs for qRT-PCR validation. RESULTS The expression of circulating miR-195-3p in the IHF group was increased 69.5-fold compared with the NC group using NGS technique, and it was the most elevated in all upregulated miRs. MiR-195-3p was ranked in the top 1 of all upregulated miRs in contribution to HF based on a random forest model analysis. The upregulation of circulating miR-195-3p was also validated with the qRT-PCR method, and receiver operating characteristic curve analysis showed that the area under the curve (AUC) was 0.831. CONCLUSIONS The circulating miR-195-3p was upregulated in IHF and NIHF patients and could be a potential biomarker for HF.
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Affiliation(s)
- Xia He
- Department of Pathology, Shenzhen Sun Yat-Sen Cardiovascular Hospital, Shenzhen, China
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31
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Sherstyuk VV, Medvedev SP, Elisaphenko EA, Vaskova EA, Ri MT, Vyatkin YV, Saik OV, Shtokalo DN, Pokushalov EA, Zakian SM. Genome-wide profiling and differential expression of microRNA in rat pluripotent stem cells. Sci Rep 2017; 7:2787. [PMID: 28584262 PMCID: PMC5459850 DOI: 10.1038/s41598-017-02632-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 04/13/2017] [Indexed: 01/15/2023] Open
Abstract
MicroRNAs (miRNAs) constitute a class of small noncoding RNAs that plays an important role in the post-transcriptional regulation of gene expression. Much evidence has demonstrated that miRNAs are involved in regulating the human and mouse pluripotency. Nevertheless, to our knowledge, miRNAs in the pluripotent stem cells of one of the most commonly used model organisms - the Rattus norvegicus have not been studied. In the present study, we performed deep sequencing of small RNA molecules in the embryonic fibroblasts, embryonic stem cells, and induced pluripotent stem cells of laboratory rats. Bioinformatics analysis revealed 674 known miRNAs and 394 novel miRNA candidates in all of the samples. Expression of known pluripotency-associated miRNAs, such as the miR-290-295 and miR-183-96-182 clusters as well as members of the miR-200 family, was detected in rat pluripotent stem cells. Analysis of the targets of differentially expressed known and novel miRNAs showed their involvement in the regulation of pluripotency and the reprogramming process in rats. Bioinformatics and systems biology approaches identified potential pathways that are regulated by these miRNAs. This study contributes to our understanding of miRNAs in the regulation of pluripotency and cell reprogramming in the laboratory rat.
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Affiliation(s)
- Vladimir V Sherstyuk
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Siberian Federal Biomedical Research Center, Ministry of Healthcare of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia.,Institute of Chemical Biology and Fundamental Medicine, the Siberian Branch of the Russian Academy of Sciences, 8 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Novosibirsk State University, 2 Pirogova St., Novosibirsk, 630090, Russia
| | - Sergey P Medvedev
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Siberian Federal Biomedical Research Center, Ministry of Healthcare of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia.,Institute of Chemical Biology and Fundamental Medicine, the Siberian Branch of the Russian Academy of Sciences, 8 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Novosibirsk State University, 2 Pirogova St., Novosibirsk, 630090, Russia
| | - Evgeniy A Elisaphenko
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Siberian Federal Biomedical Research Center, Ministry of Healthcare of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia.,Institute of Chemical Biology and Fundamental Medicine, the Siberian Branch of the Russian Academy of Sciences, 8 Lavrentyeva Ave., Novosibirsk, 630090, Russia
| | - Evgeniya A Vaskova
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Siberian Federal Biomedical Research Center, Ministry of Healthcare of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia.,Institute of Chemical Biology and Fundamental Medicine, the Siberian Branch of the Russian Academy of Sciences, 8 Lavrentyeva Ave., Novosibirsk, 630090, Russia
| | - Maxim T Ri
- AcademGene LLC, 6 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,St. Laurent Institute, 317 New Boston St., Woburn, MA, 01801, USA
| | - Yuri V Vyatkin
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,Novosibirsk State University, 2 Pirogova St., Novosibirsk, 630090, Russia.,AcademGene LLC, 6 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,St. Laurent Institute, 317 New Boston St., Woburn, MA, 01801, USA
| | - Olga V Saik
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia
| | - Dmitry N Shtokalo
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,AcademGene LLC, 6 Lavrentyeva Ave., Novosibirsk, 630090, Russia.,St. Laurent Institute, 317 New Boston St., Woburn, MA, 01801, USA.,A.P.Ershov Institute of Informatics Systems, 6 Lavrentyeva Ave., Novosibirsk, 630090, Russia
| | - Evgeniy A Pokushalov
- Siberian Federal Biomedical Research Center, Ministry of Healthcare of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia
| | - Suren M Zakian
- Federal Research Center Institute of Cytology and Genetics, the Siberian Branch of the Russian Academy of Sciences, 10 Lavrentyeva Ave., Novosibirsk, 630090, Russia. .,Siberian Federal Biomedical Research Center, Ministry of Healthcare of the Russian Federation, 15 Rechkunovskaya St., Novosibirsk, 630055, Russia. .,Institute of Chemical Biology and Fundamental Medicine, the Siberian Branch of the Russian Academy of Sciences, 8 Lavrentyeva Ave., Novosibirsk, 630090, Russia. .,Novosibirsk State University, 2 Pirogova St., Novosibirsk, 630090, Russia.
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32
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Chang M, Lin H, Fu H, Wang B, Han G, Fan M. MicroRNA-195-5p Regulates Osteogenic Differentiation of Periodontal Ligament Cells Under Mechanical Loading. J Cell Physiol 2017; 232:3762-3774. [PMID: 28181691 DOI: 10.1002/jcp.25856] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 02/08/2017] [Indexed: 12/29/2022]
Abstract
Osteogenic differentiation and bone formation are tightly regulated by several factors, including microRNAs (miRNAs). However, miRNA expression patterns and function during mechanical loading-induced osteogenic differentiation of human periodontal ligament cells (PDLCs) remain unclear. Here, we investigated the differential expression of miRNA-195-5p in the periodontal tissues of mice under orthodontic mechanical loading and in primary human PDLCs exposed to a simulated tension strain. The miR-195-5p was observed to be down-regulated and negatively correlated with osteogenic differentiation. Overexpression of miR-195-5p significantly inhibited PDLC differentiation under cyclic tension strain (CTS), whereas the functional inhibition of miR-195-5p yielded an opposite effect. Further experiments confirmed that WNT family member 3A (WNT3A), fibroblast growth factor 2 (FGF2), and bone morphogenetic protein receptor-1A (BMPR1A), proteins important for osteogenic activity and stability, were direct targets of miR-195-5p. Mechanical loading increased the WNT3A, FGF2, and BMPR1A protein levels, while miR-195-5p inhibited WNT3A, FGF2, and BMPR1A protein expression. WNT, FGF, and BMP signaling were involved in osteogenic differentiation of PDLCs under CTS. Further study confirmed that reintroduction of WNT3A and BMPR1A can rescue the inhibition of miR-195-5p on osteogenic differentiation of PDLCs. Our findings are the first to demonstrate that miR-195-5p is a mechanosensitive gene that plays an important role in mechanical loading-induced osteogenic differentiation and bone formation.
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Affiliation(s)
- Maolin Chang
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Heng Lin
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China.,Department of Orthodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Haidi Fu
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China.,Department of Orthodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Beike Wang
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China.,Department of Orthodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Guangli Han
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China.,Department of Orthodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Mingwen Fan
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine of Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan, China
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Poirier C, Desgagné V, Guérin R, Bouchard L. MicroRNAs in Pregnancy and Gestational Diabetes Mellitus: Emerging Role in Maternal Metabolic Regulation. Curr Diab Rep 2017; 17:35. [PMID: 28378294 DOI: 10.1007/s11892-017-0856-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF THE REVIEW This review focuses on the recent emergence of microRNAs (miRNAs) as metabolic and developmental regulators in pregnancy and their role in the development of gestational diabetes mellitus (GDM). MiRNAs are short and stable RNA sequences that repress protein synthesis through interference with messenger RNA translation. RECENT FINDINGS The placenta produces numerous miRNAs with some of them being released in the maternal circulation. These miRNA genes are encoded into specific clusters and expressed preferentially by placental cells, in a time-dependent manner. They were shown to be dysregulated in plasma and placenta from women suffering from GDM and associated with pregnancy and birth-related outcomes. The discovery of pregnancy-related miRNAs and their respective characterization will provide us with important information as to their function in maternal and placental metabolic regulation. More studies are needed to determine whether they will be useful for early screening of GDM.
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Affiliation(s)
- Cédrik Poirier
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada.
- ECOGENE-21 Biocluster, Chicoutimi, QC, Canada.
| | - Véronique Desgagné
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada
- ECOGENE-21 Biocluster, Chicoutimi, QC, Canada
| | - Renée Guérin
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada
- Department of Medical Biology, CIUSSS du Saguenay-Lac-St-Jean, Hopital de Chicoutimi, Saguenay, QC, Canada
| | - Luigi Bouchard
- Department of Biochemistry, Universite de Sherbrooke, Sherbrooke, QC, Canada
- ECOGENE-21 Biocluster, Chicoutimi, QC, Canada
- Department of Medical Biology, CIUSSS du Saguenay-Lac-St-Jean, Hopital de Chicoutimi, Saguenay, QC, Canada
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Zhou W, Yuan T, Gao Y, Yin P, Liu W, Pan C, Liu Y, Yu X. IL-1β-induces NF-κB and upregulates microRNA-372 to inhibit spinal cord injury recovery. J Neurophysiol 2017; 117:2282-2291. [PMID: 28298306 DOI: 10.1152/jn.00936.2016] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/27/2017] [Accepted: 03/10/2017] [Indexed: 12/14/2022] Open
Abstract
Excessive inflammation including IL-1β-initiated signaling is among the earlies reactions that can cause neuronal damage following spinal cord injury (SCI). It has been suggested that microRNAs may participate in stem cell repair to facilitate functional recovery following SCI. In this study we have shown that in cultured human neural stem cells (hNSC), IL-1β reduced the expression of both KIF3B (kinesin family member 3B) and NOSIP (nitric oxide synthase-interacting protein), two key modulators for restricting inflammation and promoting neuronal regeneration. The induction of microRNA-372 (miR-372) by IL-1β is specifically responsible for the inhibition of KIF3B and NOSIP. The 3'-untranslated regions (UTRs) of both KIF3B and NOSIP contain targeting sequences to miR-372 that directly inhibit their expression. Moreover, we found that the expression of miR-372 was stimulated in hNSC by IL-1β through an NF-κB binding site at its promoter region. Finally, stable overexpression of miR-372 inhibitor in hNSC rescued the IL-1β-induced impairment as shown by significant improvements in tissue water content, myeloperoxidase activity, and behavioral assessments in SCI rats. These findings suggest a critical role of miR-372 in inflammatory signaling and pinpoint a novel target for the treatment of acute SCI.NEW & NOTEWORTHY Our data demonstrate that IL-1β can impair the functional recovery of neural stem cell transplant therapy for spinal cord injury (SCI) treatment in rats. This effect is dependent on microRNA-372 (miR-372)-dependent gene repression of KIF3B and NOSIP. Therefore, specific knockdown of miR-372 may provide benefits for SCI treatments.
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Affiliation(s)
- Wei Zhou
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, People's Republic of China.,Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
| | - Tongzhou Yuan
- Department of Orthopaedic Surgery, Second Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - Youshui Gao
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
| | - Peipei Yin
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
| | - Wei Liu
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
| | - Chenhao Pan
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
| | - Yingjie Liu
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
| | - Xiaowei Yu
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, People's Republic of China; .,Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, People's Republic of China; and
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35
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Liu BL, Sun KX, Zong ZH, Chen S, Zhao Y. MicroRNA-372 inhibits endometrial carcinoma development by targeting the expression of the Ras homolog gene family member C (RhoC). Oncotarget 2017; 7:6649-64. [PMID: 26673619 PMCID: PMC4872740 DOI: 10.18632/oncotarget.6544] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 11/16/2015] [Indexed: 01/29/2023] Open
Abstract
Here we explore the role of microRNA-372 (miR-372) in tumorigenesis and development of endometrial adenocarcinoma (EC) and analyze the underlying mechanism. We found that miR-372 expression is much lower in EC than normal endometrial specimens. Cell function experiments demonstrated that miR-372 overexpression suppressed cell proliferation, migration, and invasion, and led to a G1 phase arrest and promoted the apoptosis of endometrial carcinoma cells in vitro. The nude mouse xenograft assay demonstrated that miR-372 overexpression suppressed tumor growth. RT-PCR and Western blot assays detected the expression of known targets of miR-372 in other malignant tumors and found Cyclin A1 and Cyclin-dependent Kinase 2 (CDK2) was downregulated by miR-372. Bioinformatic predictions and dual-luciferase reporter assays found that RhoC was a possible target of miR-372. RT-PCR and Western blot assays demonstrated that miR-372 transfection reduced the expression of RhoC, matrix metalloproteinase 2 (MMP2) and MMP9, while it increased the expression of cleaved poly (ADP ribose) polymerase (PARP) and bcl-2-associated X protein (Bax). The cell function experiments that transfected siRNA with RhoC showed the same trend as those which were transfected with miR-372. Taken together, our results demonstrated for the first time that miR-372 suppresses tumorigenesis and the development of EC; RhoC is a new and potentially important therapeutic target.
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Affiliation(s)
- Bo-Liang Liu
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - Kai-Xuan Sun
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - Zhi-Hong Zong
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, China Medical University, Shenyang 100013, China
| | - Shuo Chen
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - Yang Zhao
- Department of Gynecology, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
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36
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Fang Y, Zhang L, Li Z, Li Y, Huang C, Lu X. MicroRNAs in DNA Damage Response, Carcinogenesis, and Chemoresistance. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2017; 333:1-49. [DOI: 10.1016/bs.ircmb.2017.03.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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37
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Luna JM, Wu X, Rice CM. Present and not reporting for duty: dsRNAi in mammalian cells. EMBO J 2016; 35:2499-2501. [PMID: 27834221 DOI: 10.15252/embj.201695933] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Joseph M Luna
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY, USA
| | - Xianfang Wu
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY, USA
| | - Charles M Rice
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY, USA
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38
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Agrawal R, Dale TP, Al-Zubaidi MA, Benny Malgulwar P, Forsyth NR, Kulshreshtha R. Pluripotent and Multipotent Stem Cells Display Distinct Hypoxic miRNA Expression Profiles. PLoS One 2016; 11:e0164976. [PMID: 27783707 PMCID: PMC5081191 DOI: 10.1371/journal.pone.0164976] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 10/04/2016] [Indexed: 12/20/2022] Open
Abstract
MicroRNAs are reported to have a crucial role in the regulation of self-renewal and differentiation of stem cells. Hypoxia has been identified as a key biophysical element of the stem cell culture milieu however, the link between hypoxia and miRNA expression in stem cells remains poorly understood. We therefore explored miRNA expression in hypoxic human embryonic and mesenchymal stem cells (hESCs and hMSCs). A total of 50 and 76 miRNAs were differentially regulated by hypoxia (2% O2) in hESCs and hMSCs, respectively, with a negligible overlap of only three miRNAs. We found coordinate regulation of precursor and mature miRNAs under hypoxia suggesting their regulation mainly at transcriptional level. Hypoxia response elements were located upstream of 97% of upregulated hypoxia regulated miRNAs (HRMs) suggesting hypoxia-inducible-factor (HIF) driven transcription. HIF binding to the candidate cis-elements of specific miRNAs under hypoxia was confirmed by Chromatin immunoprecipitation coupled with qPCR. Role analysis of a subset of upregulated HRMs identified linkage to reported inhibition of differentiation while a downregulated subset of HRMs had a putative role in the promotion of differentiation. MiRNA-target prediction correlation with published hypoxic hESC and hMSC gene expression profiles revealed HRM target genes enriched in the cytokine:cytokine receptor, HIF signalling and pathways in cancer. Overall, our study reveals, novel and distinct hypoxia-driven miRNA signatures in hESCs and hMSCs with the potential for application in optimised culture and differentiation models for both therapeutic application and improved understanding of stem cell biology.
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Affiliation(s)
- Rahul Agrawal
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi, India-110016
| | - Tina P. Dale
- Guy Hilton Research Centre, Institute of Science and Technology in Medicine, University of Keele, Thornburrow Drive, Hartshill, Stoke-on-Trent, Staffordshire, ST4 7QB, United Kingdom
| | - Mohammed A. Al-Zubaidi
- Guy Hilton Research Centre, Institute of Science and Technology in Medicine, University of Keele, Thornburrow Drive, Hartshill, Stoke-on-Trent, Staffordshire, ST4 7QB, United Kingdom
- College of Pharmacy, Al-Mustansiriyah University, Baghdad, Iraq
| | - Prit Benny Malgulwar
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India-110029
| | - Nicholas R. Forsyth
- Guy Hilton Research Centre, Institute of Science and Technology in Medicine, University of Keele, Thornburrow Drive, Hartshill, Stoke-on-Trent, Staffordshire, ST4 7QB, United Kingdom
| | - Ritu Kulshreshtha
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi, India-110016
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39
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Jin S, Collin J, Zhu L, Montaner D, Armstrong L, Neganova I, Lako M. A Novel Role for miR-1305 in Regulation of Pluripotency-Differentiation Balance, Cell Cycle, and Apoptosis in Human Pluripotent Stem Cells. Stem Cells 2016; 34:2306-17. [PMID: 27339422 PMCID: PMC5031214 DOI: 10.1002/stem.2444] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 05/24/2016] [Accepted: 06/07/2016] [Indexed: 12/13/2022]
Abstract
Human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) are defined as pluripotent in view of their self‐renewal ability and potential to differentiate to cells of all three germ layers. Recent studies have indicated that microRNAs (miRNAs) play an important role in the maintenance of pluripotency and cell cycle regulation. We used a microarray based approach to identify miRNAs that were enriched in hESCs when compared to differentiated cells and at the same time showed significant expression changes between different phases of cell cycle. We identified 34 candidate miRNAs and performed functional studies on one of these, miR‐1305, which showed the highest expression change during cell cycle transition. Overexpression of miR‐1305 induced differentiation of pluripotent stem cells, increased cell apoptosis and sped up G1/S transition, while its downregulation facilitated the maintenance of pluripotency and increased cell survival. Using target prediction software and luciferase based reporter assays we identified POLR3G as a downstream target by which miR‐1305 regulates the fine balance between maintenance of pluripotency and onset of differentiation. Overexpression of POLR3G rescued pluripotent stem cell differentiation induced by miR‐1305 overexpression. In contrast, knock‐down of POLR3G expression abolished the miR‐1305‐knockdown mediated enhancement of pluripotency, thus validating its role as miR‐1305 target in human pluripotent stem cells. Together our data point to an important role for miR‐1305 as a novel regulator of pluripotency, cell survival and cell cycle and uncovers new mechanisms and networks by which these processes are intertwined in human pluripotent stem cells. Stem Cells2016;34:2306–2317
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Affiliation(s)
- Shibo Jin
- Institute of Genetic Medicine, Newcastle University, UK
| | - Joseph Collin
- Institute of Genetic Medicine, Newcastle University, UK
| | - Lili Zhu
- Institute of Genetic Medicine, Newcastle University, UK
| | - David Montaner
- Centro De Investigacion Principe Felipe, Valencia, Spain
| | | | - Irina Neganova
- Institute of Genetic Medicine, Newcastle University, UK.
| | - Majlinda Lako
- Institute of Genetic Medicine, Newcastle University, UK.
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40
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Li HL, Wei JF, Fan LY, Wang SH, Zhu L, Li TP, Lin G, Sun Y, Sun ZJ, Ding J, Liang XL, Li J, Han Q, Zhao RCH. miR-302 regulates pluripotency, teratoma formation and differentiation in stem cells via an AKT1/OCT4-dependent manner. Cell Death Dis 2016; 7:e2078. [PMID: 26821070 PMCID: PMC4816169 DOI: 10.1038/cddis.2015.383] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 10/20/2015] [Accepted: 11/20/2015] [Indexed: 12/12/2022]
Abstract
Pluripotency makes human pluripotent stem cells (hPSCs) promising for regenerative medicine, but the teratoma formation has been considered to be a major obstacle for their clinical applications. Here, we determined that the downregulation of miR-302 suppresses the teratoma formation, hampers the self-renewal and pluripotency, and promotes hPSC differentiation. The underlying mechanism is that the high endogenous expression of miR-302 suppresses the AKT1 expression by directly targeting its 3'UTR and subsequently maintains the pluripotent factor OCT4 at high level. Our findings reveal that miR-302 regulates OCT4 by suppressing AKT1, which provides hPSCs two characteristics related to their potential for clinical applications: the benefit of pluripotency and the hindrance of teratoma formation. More importantly, we demonstrate that miR-302 upregulation cannot lead OCT4 negative human adult mesenchymal stem cells (hMSCs) to acquire the teratoma formation in vivo. Whether miR-302 upregulation can drive hMSCs to acquire a higher differentiation potential is worthy of deep investigation.
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Affiliation(s)
- H-L Li
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - J-F Wei
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China.,Department of Histology and Embryology, School of Basic Medical Sciences, Xuzhou Medical University, Xuzhou, China
| | - L-Y Fan
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - S-H Wang
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - L Zhu
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China
| | - T-P Li
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - G Lin
- Institute of Reproductive and Stem Cell Engineering, Key Laboratory of Stem Cells and Reproductive Engineering, Ministry of Health, Central South University, Changsha, China
| | - Y Sun
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Beijing, China
| | - Z-J Sun
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China
| | - J Ding
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China
| | - X-L Liang
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - J Li
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - Q Han
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China
| | - R-C-H Zhao
- Department of Cell Biology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Tissue Engineering Center of Chinese Academy of Medical Sciences, Beijing, China.,Peking Union Medical College Hospital, Beijing, China
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41
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Yan J, Guo D, Yang S, Sun H, Wu B, Zhou D. Inhibition of miR-222-3p activity promoted osteogenic differentiation of hBMSCs by regulating Smad5-RUNX2 signal axis. Biochem Biophys Res Commun 2016; 470:498-503. [PMID: 26809090 DOI: 10.1016/j.bbrc.2016.01.133] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 01/14/2016] [Accepted: 01/21/2016] [Indexed: 10/22/2022]
Abstract
miRNAs are recently found playing important roles in osteogenesis. In this study, we identified that miR-222-3p decreased during osteogenic differentiation of human mesenchymal stem cells (hBMSCs) using Quantitative Real-Time Reverse Transcription PCR (qRT-PCR). Furthermore, we investigated the effect of miR-222-3p on osteogenic differentiation of hBMSCs. Inhibition of miR-222-3p function in hBMSCs using infection of lentiviruses carrying miR-222-3p specific inhibitor promoted expression of osteoblast-specific genes, alkaline phosphatase (ALP) activity, and matrix mineralization. Whereas, overexpression of miR-222-3p inhibited osteoblast differentiation of hBMSCs in vitro. Moreover, Smad5 and RUNX2, which are the critical transcription factors in osteogenic differentiation, were predicted to be targets of miR-222-3p by bioinformatic analysis. Overexpression of miR-222-3p in hBMSCs significantly suppressed the protein levels of Smad5 and RUNX2, while inhibition of miR-222-3p increased their protein levels. Furthermore, inhibition of miR-222-3p increased phosphorylation of Smad1/5/8, which regulated the expression of osteogenic genes. Our findings suggest that suppression of miR-222-3p activity promoted osteogenic differentiation hBMSCs through regulating Smad5-RUNX2 signaling axis.
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Affiliation(s)
- Jihong Yan
- Department of Histology and Embryology, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
| | - Duo Guo
- Department of Histology and Embryology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Shu Yang
- Department of Histology and Embryology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Huaimei Sun
- Department of Histology and Embryology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Bo Wu
- Department of Histology and Embryology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Deshan Zhou
- Department of Histology and Embryology, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
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42
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Frixa T, Donzelli S, Blandino G. Oncogenic MicroRNAs: Key Players in Malignant Transformation. Cancers (Basel) 2015; 7:2466-85. [PMID: 26694467 PMCID: PMC4695904 DOI: 10.3390/cancers7040904] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 12/02/2015] [Accepted: 12/11/2015] [Indexed: 01/17/2023] Open
Abstract
MicroRNAs (miRNAs) represent a class of non-coding RNAs that exert pivotal roles in the regulation of gene expression at the post-transcriptional level. MiRNAs are involved in many biological processes and slight modulations in their expression have been correlated with the occurrence of different diseases. In particular, alterations in the expression of miRNAs with oncogenic or tumor suppressor functions have been associated with carcinogenesis, malignant transformation, metastasis and response to anticancer treatments. This review will mainly focus on oncogenic miRNAs whose aberrant expression leads to malignancy.
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Affiliation(s)
- Tania Frixa
- Translational Oncogenomics Laboratory, Regina Elena National Cancer Institute, 00144 Rome, Italy.
| | - Sara Donzelli
- Translational Oncogenomics Laboratory, Regina Elena National Cancer Institute, 00144 Rome, Italy.
| | - Giovanni Blandino
- Translational Oncogenomics Laboratory, Regina Elena National Cancer Institute, 00144 Rome, Italy.
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43
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Function and significance of MicroRNAs in benign and malignant human stem cells. Semin Cancer Biol 2015; 35:200-11. [DOI: 10.1016/j.semcancer.2015.07.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 07/09/2015] [Accepted: 07/13/2015] [Indexed: 12/16/2022]
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44
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MicroRNA dynamics during human embryonic stem cell differentiation to pancreatic endoderm. Gene 2015; 574:359-70. [PMID: 26297998 DOI: 10.1016/j.gene.2015.08.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 08/12/2015] [Indexed: 11/23/2022]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that have emerged as critical regulators of human embryonic stem cell (hESC) pluripotency and differentiation. Despite the wealth of information about the role individual that miRNAs play in these two processes, there has yet to be a large-scale temporal analysis of the dynamics of miRNA expression as hESCs move from pluripotency into defined lineages. In this report, we used Next Generation Sequencing (NGS) to map temporal expression of miRNAs over ten 24-hour intervals as pluripotent cells were differentiated into pancreatic endoderm. Of the 2042 known human miRNAs, 694 had non-zero expression on all 11 days. Of these 694 miRNAs, 494 showed statistically significant changes in expression during differentiation. Clusters of miRNAs were identified, each displaying unique expression profiles distributed over multiple days. Selected miRNAs associated with pluripotency/differentiation (miR-302/367 and miR-371/372/373) and development/growth (miR-21, miR-25, miR-103, miR-9, and miR-92a) were found to have distinct expression profiles correlated with changes in media used to drive the differentiation process. Taken together, the clustering of miRNAs to identify expression dynamics that occur over longer periods of time (days vs. hours) provides unique insight into specific stages of differentiation. Major shifts in defined stages of hESC differentiation appear to be heavily dependent upon changes in external environmental factors, rather than intrinsic conditions in the cells.
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Parchem RJ, Moore N, Fish JL, Parchem JG, Braga TT, Shenoy A, Oldham MC, Rubenstein JLR, Schneider RA, Blelloch R. miR-302 Is Required for Timing of Neural Differentiation, Neural Tube Closure, and Embryonic Viability. Cell Rep 2015. [PMID: 26212322 PMCID: PMC4741278 DOI: 10.1016/j.celrep.2015.06.074] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The evolutionarily conserved miR-302 family of microRNAs is expressed during early mammalian embryonic development. Here, we report that deletion of miR-302a-d in mice results in a fully penetrant late embryonic lethal phenotype. Knockout embryos have an anterior neural tube closure defect associated with a thickened neuroepithelium. The neuroepithelium shows increased progenitor proliferation, decreased cell death, and precocious neuronal differentiation. mRNA profiling at multiple time points during neurulation uncovers a complex pattern of changing targets over time. Overexpression of one of these targets, Fgf15, in the neuroepithelium of the chick embryo induces precocious neuronal differentiation. Compound mutants between mir-302 and the related mir-290 locus have a synthetic lethal phenotype prior to neurulation. Our results show that mir-302 helps regulate neurulation by suppressing neural progenitor expansion and precocious differentiation. Furthermore, these results uncover redundant roles for mir-290 and mir-302 early in development.
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Affiliation(s)
- Ronald J Parchem
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Urology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Nicole Moore
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Urology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Jennifer L Fish
- Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Jacqueline G Parchem
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Tarcio T Braga
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Urology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Archana Shenoy
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Urology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Michael C Oldham
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Neurology, University of California, San Francisco, San Francisco, CA 94143, USA
| | - John L R Rubenstein
- Department of Psychiatry, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Richard A Schneider
- Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Robert Blelloch
- The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, Center for Reproductive Sciences, University of California, San Francisco, San Francisco, CA 94143, USA; Department of Urology, University of California, San Francisco, San Francisco, CA 94143, USA.
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MiR-371-373 cluster acts as a tumor-suppressor-miR and promotes cell cycle arrest in unrestricted somatic stem cells. Tumour Biol 2015; 36:7765-74. [PMID: 25941115 DOI: 10.1007/s13277-015-3519-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 04/27/2015] [Indexed: 12/20/2022] Open
Abstract
Recent advances in small RNA research have implicated microRNAs (miRNAs) as important regulators of proliferation and development. The miR-371-373 cluster is prominently expressed in human embryonic stem cells (ESCs) and rapidly decreases after cell differentiation. MiR-371-373 cluster was investigated as one of the key factors of stem cell maintenance and pluripotency in unrestricted somatic stem cells (USSCs) using a lentivirus system. Gene expression showed a dual effect on proliferation, which revealed a transient cell cycle progression and consequent repression in pluripotency factors and cell cycle genes. Cell proliferation analysis with CFU, MTT, and DNA content assays further confirmed the dual effect of cluster after prolonged exposure. Analyzing the course of action, it seems that miR-371-373 cluster acts as an onco/tumor suppressor-miR. MiR371-373 cluster acts by modulating the function of these factors and limiting the excessive cell cycle propagation upon oncogenic stimuli to protect cells from replicative stress, but also activate CDK inhibitors and transcriptional repressors of the retinoblastoma family to cause cell cycle arrest. In contrast to the previous studies, we believe that miR-371-373 cluster functions as a self-renewal miRNA to induce and maintain the pluripotent state but also to potentially inhibit dysregulated proliferation through cell cycle arrest. It seems that miR-371-373 cluster presents with a dual effect in this cellular context which may possess different actions in various cells. This not only expands the basic knowledge of the cluster but may offer a great chance for therapeutic interventions.
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Çağlayan ES, Güran Ş. Importance of Myc-related microRNAs in induced pluripotency. Cell Biol Int 2015; 39:987-94. [PMID: 25809132 DOI: 10.1002/cbin.10467] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Accepted: 03/14/2015] [Indexed: 01/23/2023]
Abstract
Pluripotent stem cells (PSCs) have the capacity to differentiate into any cell type of the body. Therefore, induced pluripotent stem cells (iPSCs) are seen as a promising solution for patient-specific cell therapies. However, the safety is major issue for in vitro methods that are used in induction of pluripotency and also in differentiation of PSCs toward specific cell types. In pioneer studies of iPSC generation, the role of c-Myc has been highlighted as a possible master regulator of pluripotency, but direct c-Myc overexpression is known to prompt drawbacks, especially in human cells. In recent studies, the role of non-protein coding RNA molecules such as microRNAs (miRNAs) has been shown in enhanced reprogramming efficiency. In addition, new reprogramming methods have been ultimately improved by adding miRNAs, in the absence of previous factors. Cross interaction between miRNAs and c-Myc has been also found in differentiation of iPSCs, as well as in reprogramming and self-renewing the pluripotent state. Thence, miRNAs are promising solution for efficiency and safety of iPSC derivation and differentiation methods. The purpose of the present review is to evaluate interaction mechanisms of miRNAs with c-Myc and in iPSC technology.
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Affiliation(s)
- E Sacide Çağlayan
- Nutrition and Dietetics Department, Yildirim Beyazıt University, Health Science Faculty, Ankara, Turkey
| | - Şefik Güran
- Medical Biology Department, Gulhane Military Medicine Academy, Ankara, Turkey
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Qu J, Zhao L, Zhang P, Wang J, Xu N, Mi W, Jiang X, Zhang C, Qu J. MicroRNA-195 chemosensitizes colon cancer cells to the chemotherapeutic drug doxorubicin by targeting the first binding site of BCL2L2 mRNA. J Cell Physiol 2015; 230:535-45. [PMID: 23526568 DOI: 10.1002/jcp.24366] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Accepted: 03/04/2013] [Indexed: 01/07/2023]
Abstract
The mechanisms underlying doxorubicin (Dox) resistance in colon cancer cells are not fully understood. MicroRNA (miRNA) play important roles in tumorigenesis and drug resistance. However, the relationship between miRNA and Dox resistance in colon cancer cells has not been previously explored. In this study, we utilized microRNA array and real-time PCR to verify that miR-127, miR-195, miR-22, miR-137 were significantly down-regulated, while miR-21, miR-592 were up-regulated in both HT29/DOX and LOVO/DOX cell lines. In vitro cell viability assay showed that knockdown of miR-195 in HT29 and LOVO cells caused a marked inhibition of Dox-induced cytotoxicity. Moreover, we explored that miR-195 is involved in repression of BCL2L2 expression through targeting its 3'-untranslated region, especially the first binding site within its mRNA. Furthermore, down-regulation of miR-195 conferred DOX resistance in parental cells and reduced cell apoptosis activity, while over-expression of miR-195 sensitized resistant cells to DOX and enhanced cell apoptosis activity, all of which can be partly rescued by BCL2L2 siRNA and cDNA expression. These results may have implications for therapeutic strategies aiming to overcome colon cancer cell resistance to Dox.
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Affiliation(s)
- Juan Qu
- Department of Otolaryngology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, China
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Novosadova EV, Grivennikov IA. Induced pluripotent stem cells: From derivation to application in biochemical and biomedical research. BIOCHEMISTRY (MOSCOW) 2015; 79:1425-41. [DOI: 10.1134/s000629791413001x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Gkountela S, Li Z, Chin CJ, Lee SA, Clark AT. PRMT5 is required for human embryonic stem cell proliferation but not pluripotency. Stem Cell Rev Rep 2014; 10:230-9. [PMID: 24477620 DOI: 10.1007/s12015-013-9490-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Human pluripotent stem cells (PSCs) are critical in vitro tools for understanding mechanisms that regulate lineage differentiation in the human embryo as well as a potentially unlimited supply of stem cells for regenerative medicine. Pluripotent human and mouse embryonic stem cells (ESCs) derived from the inner cell mass of blastocysts share a similar transcription factor network to maintain pluripotency and self-renewal, yet there are considerable molecular differences reflecting the diverse environments in which mouse and human ESCs are derived. In the current study we evaluated the role of Protein arginine methyltransferase 5 (PRMT5) in human ESC (hESC) self-renewal and pluripotency given its critical role in safeguarding mouse ESC pluripotency. Unlike the mouse, we discovered that PRMT5 has no role in hESC pluripotency. Using microarray analysis we discovered that a significant depletion in PRMT5 RNA and protein from hESCs changed the expression of only 78 genes, with the majority being repressed. Functionally, we discovered that depletion of PRMT5 had no effect on expression of OCT4, NANOG or SOX2, and did not prevent teratoma formation. Instead, we show that PRMT5 functions in hESCs to regulate proliferation in the self-renewing state by regulating the fraction of cells in Gap 1 (G1) of the cell cycle and increasing expression of the G1 cell cycle inhibitor P57. Taken together our data unveils a distinct role for PRMT5 in hESCs and identifies P57 as new target.
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Affiliation(s)
- Sofia Gkountela
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, 90095, USA
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