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Leavenworth JD, Yusuf N, Hassan Q. K-Homology Type Splicing Regulatory Protein: Mechanism of Action in Cancer and Immune Disorders. Crit Rev Eukaryot Gene Expr 2024; 34:75-87. [PMID: 37824394 PMCID: PMC11003564 DOI: 10.1615/critreveukaryotgeneexpr.2023048085] [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] [Indexed: 10/14/2023]
Abstract
K homology-type splicing regulatory protein (KSRP) is emerging as a key player in cancer biology, and immunology. As a single-strand nucleic acid binding protein it functions in both transcriptional and post-transcriptional regulation, while facilitating multiple stages of RNA metabolism to affect proliferation and control cell fate. However, it must interact with other proteins to determine the fate of its bound substrate. Here we provide an minireview of this important regulatory protein and describe its complex subcellular functions to affect RNA metabolism, stability, miRNA biogenesis and maturation, stress granule function, metastasis, and inflammatory processes.
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Affiliation(s)
- Jonathan D. Leavenworth
- Department of Oral and Maxillofacial Surgery, Institute of Oral Health Research, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nabiha Yusuf
- Department of Dermatology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Quamarul Hassan
- Department of Oral and Maxillofacial Surgery, Institute of Oral Health Research, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA
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2
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Li H, Hou J, Fu Y, Zhao Y, Liu J, Guo D, Lei R, Wu Y, Tang L, Fan S. miR-603 promotes cell proliferation and differentiation by targeting TrkB in acute promyelocytic leukemia. Ann Hematol 2023; 102:3357-3367. [PMID: 37726492 DOI: 10.1007/s00277-023-05441-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 09/04/2023] [Indexed: 09/21/2023]
Abstract
Arsenic trioxide (ATO) treatment effectively prolongs the overall survival of patients with acute promyelocytic leukemia (APL). Mutations in the oncogene PML::RARA were found in patients with ATO-resistant and relapsed APL. However, some relapsed patients do not have such mutations. Here, we performed microarray analysis of samples from newly diagnosed and relapsed APL, and found different microRNA (miRNA) expression patterns between these two groups. Among the differentially expressed miRNAs, miR-603 was expressed at the lowest level in relapsed patients. The expression of miR-603 and its predicted target tropomyosin-related kinase B (TrkB) were determined by PCR and Western blot. Proliferation was measured using an MTT assay, while apoptosis, cell cycle and CD11b expression were analyzed using flow cytometry. In APL patients, the expression of miR-603 was negatively correlated with that of TrkB. miR-603 directly targeted TrkB and downregulated TrkB expression in the APL cell line NB4. miR-603 increased cell proliferation by promoting the differentiation and inhibiting the apoptosis of NB4 cells. This study shows that the miR-603/ TrkB axis may be a potent therapeutic target for relapsed APL.
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Affiliation(s)
- Huibo Li
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Jinxiao Hou
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
- Hematology Department, the Second Hospital of Anhui Medical University, Hefei, 230601, Anhui Province, China
| | - Yueyue Fu
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Yanqiu Zhao
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Jie Liu
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Dan Guo
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Ruiqi Lei
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Yiting Wu
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Linqing Tang
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Shengjin Fan
- Department of Hematology, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China.
- NHC Key Laboratory of Cell Transplantation, the First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China.
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Nassiri SM, Ahmadi Afshar N, Almasi P. Insight into microRNAs' involvement in hematopoiesis: current standing point of findings. Stem Cell Res Ther 2023; 14:282. [PMID: 37794439 PMCID: PMC10552299 DOI: 10.1186/s13287-023-03504-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 09/20/2023] [Indexed: 10/06/2023] Open
Abstract
Hematopoiesis is a complex process in which hematopoietic stem cells are differentiated into all mature blood cells (red blood cells, white blood cells, and platelets). Different microRNAs (miRNAs) involve in several steps of this process. Indeed, miRNAs are small single-stranded non-coding RNA molecules, which control gene expression by translational inhibition and mRNA destabilization. Previous studies have revealed that increased or decreased expression of some of these miRNAs by targeting several proto-oncogenes could inhibit or stimulate the myeloid and erythroid lineage commitment, proliferation, and differentiation. During the last decades, the development of molecular and bioinformatics techniques has led to a comprehensive understanding of the role of various miRNAs in hematopoiesis. The critical roles of miRNAs in cell processes such as the cell cycle, apoptosis, and differentiation have been confirmed as well. However, the main contribution of some miRNAs is still unclear. Therefore, it seems undeniable that future studies are required to focus on miRNA activities during various hematopoietic stages and hematological malignancy.
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Affiliation(s)
- Seyed Mahdi Nassiri
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Qarib St., Azadi Ave, Tehran, Iran.
| | - Neda Ahmadi Afshar
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Qarib St., Azadi Ave, Tehran, Iran
| | - Parsa Almasi
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Qarib St., Azadi Ave, Tehran, Iran
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Gupta J, Suliman M, Ali R, Margiana R, Hjazi A, Alsaab HO, Qasim MT, Hussien BM, Ahmed M. Double-edged sword role of miRNA-633 and miRNA-181 in human cancers. Pathol Res Pract 2023; 248:154701. [PMID: 37542859 DOI: 10.1016/j.prp.2023.154701] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 08/07/2023]
Abstract
Understanding the function and mode of operation of microRNAs (miRNAs) in cancer is of growing interest. The short non-coding RNAs known as miRNAs, which target mRNA in multicellular organisms, are described as controlling essential cellular processes. The miR-181 family and miR-633 are well-known miRNAs that play a key role in the development and metastasis of tumor cells. They may facilitate either tumor-suppressive or oncogenic function in malignant cells, according to mounting evidence. Metastatic cells that are closely linked to cancer cell migration, invasion, and angiogenesis can be identified by abnormal levels of miR-181 and miR-633. Numerous studies have demonstrated their capacity to control drug resistance, cell growth, apoptosis, and the epithelial-mesenchymal transition (EMT) and metastasis process. Interestingly, the levels of miR-181 and miR-633 and their potential target genes in the basic cellular process can vary depending on the type of cancer cells and their gene expression profile. Such miRNAs' interactions with other non-coding RNAs such as long non-coding RNAs and circular RNAs can influence tumor behaviors. Herein, we concentrated on the multifaceted roles of miR-181 and miR-633 and potential targets in human tumorigenesis, ranging from cell growth and metastasis to drug resistance.
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Affiliation(s)
- Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, U. P., India.
| | - Muath Suliman
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Rida Ali
- Rawalpindi Medical University, Rawalpindi, Pakistan
| | - Ria Margiana
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Andrology Program, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia; Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Hashem O Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, Taif University, Taif, Saudi Arabia
| | - Maytham T Qasim
- Department of Anesthesia, College of Health and Medical Technololgy, Al-Ayen University, Thi-Qar, Iraq
| | - Beneen M Hussien
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Muhja Ahmed
- Medical Technical College, Al-Farahidi University, Baghdad, Iraq
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Wu Y, Paila U, Genet G, Hirschi KK. MicroRNA-223 limits murine hemogenic endothelial cell specification and myelopoiesis. Dev Cell 2023; 58:1237-1249.e5. [PMID: 37295435 PMCID: PMC10424725 DOI: 10.1016/j.devcel.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 01/04/2023] [Accepted: 05/17/2023] [Indexed: 06/12/2023]
Abstract
Embryonic definitive hematopoiesis generates hematopoietic stem and progenitor cells (HSPCs) that are essential for the establishment and maintenance of the adult blood system. This process requires the specification of a subset of vascular endothelial cells (ECs) to become hemogenic ECs and to have subsequent endothelial-to-hematopoietic transition (EHT), and the underlying mechanisms are largely undefined. We identified microRNA (miR)-223 as a negative regulator of murine hemogenic EC specification and EHT. Loss of miR-223 leads to increased formation of hemogenic ECs and HSPCs, which is associated with increased retinoic acid signaling, which we previously showed as promoting hemogenic EC specification. Additionally, loss of miR-223 leads to the generation of myeloid-biased hemogenic ECs and HSPCs, which results in an increased proportion of myeloid cells throughout embryonic and postnatal life. Our findings identify a negative regulator of hemogenic EC specification and highlight the importance of this process for the establishment of the adult blood system.
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Affiliation(s)
- Yinyu Wu
- Departments of Genetics, Yale Cardiovascular Research Center, Vascular Biology and Therapeutics Program, Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT 06510, USA; Department of Cell Biology, Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA
| | - Umadevi Paila
- Department of Cell Biology, Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA
| | - Gael Genet
- Department of Cell Biology, Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA
| | - Karen K Hirschi
- Departments of Genetics, Yale Cardiovascular Research Center, Vascular Biology and Therapeutics Program, Yale Stem Cell Center, Yale University School of Medicine, New Haven, CT 06510, USA; Department of Cell Biology, Cardiovascular Research Center, University of Virginia, Charlottesville, VA 22908, USA.
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Small noncoding RNAs play superior roles in maintaining hematopoietic stem cell homeostasis. BLOOD SCIENCE 2022; 4:125-132. [DOI: 10.1097/bs9.0000000000000123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 05/31/2022] [Indexed: 11/25/2022] Open
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Peng W, Wu P, Yuan M, Yuan B, Zhu L, Zhou J, Li Q. Potential Molecular Mechanisms of Recurrent and Progressive Meningiomas: A Review of the Latest Literature. Front Oncol 2022; 12:850463. [PMID: 35712491 PMCID: PMC9196588 DOI: 10.3389/fonc.2022.850463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 04/28/2022] [Indexed: 11/17/2022] Open
Abstract
Meningiomas, the most frequent primary intracranial tumors of the central nervous system in adults, originate from the meninges and meningeal spaces. Surgical resection and adjuvant radiation are considered the preferred treatment options. Although most meningiomas are benign and slow-growing, some patients suffer from tumor recurrence and disease progression, eventually resulting in poorer clinical outcomes, including malignant transformation and death. It is thus crucial to identify these “high-risk” tumors early; this requires an in-depth understanding of the molecular and genetic alterations, thereby providing a theoretical foundation for establishing personalized and precise treatment in the future. Here, we review the most up-to-date knowledge of the cellular biological alterations involved in the progression of meningiomas, including cell proliferation, neo-angiogenesis, inhibition of apoptosis, and immunogenicity. Focused genetic alterations, including chromosomal abnormalities and DNA methylation patterns, are summarized and discussed in detail. We also present latest therapeutic targets and clinical trials for meningiomas' treatment. A further understanding of cellular biological and genetic alterations will provide new prospects for the accurate screening and treatment of recurrent and progressive meningiomas.
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Affiliation(s)
- Wenjie Peng
- Department of Pediatrics, Army Medical Center, Army Medical University, Chongqing, China
| | - Pei Wu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Minghao Yuan
- Department of Neurology, Chongqing Medical University, Chongqing, China
| | - Bo Yuan
- Department of Nephrology, The Dazu District People's Hospital, Chongqing, China
| | - Lian Zhu
- Department of Pediatrics, Army Medical Center, Army Medical University, Chongqing, China
| | - Jiesong Zhou
- Department of Plastic Surgery, Changhai Hospital Affiliated to Naval Medical University, Shanghai, China
| | - Qian Li
- Department of Pediatrics, Army Medical Center, Army Medical University, Chongqing, China
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Adipose-derived exosomes block muscular stem cell proliferation in aged mouse by delivering miRNA Let-7d-3p that targets transcription factor HMGA2. J Biol Chem 2022; 298:102098. [PMID: 35679898 PMCID: PMC9257422 DOI: 10.1016/j.jbc.2022.102098] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 05/29/2022] [Accepted: 05/31/2022] [Indexed: 12/22/2022] Open
Abstract
Sarcopenia is an aging-associated attenuation of muscular volume and strength and is the major cause of frailty and falls in elderly individuals. The number of individuals with sarcopenia is rapidly increasing worldwide; however, little is known about the underlying mechanisms of the disease. Sarcopenia often copresents with obesity, and some patients with sarcopenia exhibit accumulation of peri-organ or intra-organ adipose tissue as ectopic fat deposition, including atrophied skeletal muscle. In this study, we showed that transplantation of the perimuscular adipose tissue (PMAT) to the hindlimb thigh muscles of young mice decreased the number of integrin α7/CD29-double positive muscular stem/progenitor cells and that the reaction was mediated by PMAT-derived exosomes. We also found that the inhibition of cell proliferation was induced by Let-7d-3p miRNA that targets HMGA2, which is an important transcription factor for stem cell self-renewal, in muscular stem/progenitor cells and the composite molecular reaction in aged adipocytes. Reduction of Let-7 miRNA repressor Lin28 A/B and activation of nuclear factor-kappa B signaling can lead to the accumulation of Let-7d-3p in the exosomes of aged PMAT. These findings suggest a novel crosstalk between adipose tissue and skeletal muscle in the development of aging-associated muscular atrophy and indicate that adipose tissue–derived miRNAs may play a key role in sarcopenia.
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Clinical Value of Serum miRNA in Patients with Acute Promyelocytic Leukemia. JOURNAL OF ONCOLOGY 2022; 2022:7315879. [PMID: 35401744 PMCID: PMC8993542 DOI: 10.1155/2022/7315879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 03/05/2022] [Indexed: 12/04/2022]
Abstract
Objective To explore the clinical value of specific miRNA in patients with acute promyelocytic leukemia. Methods 129 patients with acute promyelocytic leukemia diagnosed in our hospital from January 2015 to January 2020 were selected as the observation group. At the same time, 74 patients with nonacute promyelocytic leukemia who underwent bone marrow aspiration were included as the control group. The expression levels of miR-126-5p and miR-13, different characteristic parameters, and prognosis were compared between the two groups, and the clinical significance of miR-126-5p and miR-13 in acute promyelocytic leukemia was analyzed. Results The expression of miR-126-5p (12.31 ± 2.25 versus 17.30 ± 3.28) and miR-13 (16.05 ± 3.47 versus 21.66 ± 2.18) in the observation group was significantly lower than that in the control group (P < 0.05). The expression level of miR-126-5p was significantly correlated with lactate dehydrogenase level, HGB level, NPM1 mutant type, and complete remission (P < 0.05). The expression level of miR-13 was significantly correlated with HGB level, NPM1 mutant type, and complete remission (P < 0.05). Both expression levels of miR-126-5p and miR-13 were not correlated with sex, age, WBC, PLT, proportion of bone marrow primordial cells, hepatomegaly, splenomegaly, lymph node enlargement, and FLT3-ITD (P > 0.05). Cox multivariate regression analysis showed that peripheral blood WBC, bone marrow blast cell count, and miR-126-5p and miR-13 were prognostic factors in patients with acute promyelocytic leukemia (P < 0.05). The sensitivity, specificity, accuracy, and AUC of serum miR-126-5p prediction were 75.83%, 84.56%, 82.17%, and 0.729, respectively. The sensitivity, specificity, accuracy, and AUC of serum miR-13 prediction were 78.64%, 88.49%, 86.20% and 0.882, respectively. Conclusion Serum miR-126-5p and miR-13 are closely related to the prognosis of patients with acute promyelocytic leukemia. Serum miR-126-5p and miR-13 can be used as reliable indexes to predict the prognosis of patients.
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Yang G, Wang W, Han S, Xu S, Liu H. Effect of microRNA-181b on the biological characteristics and clinical drug resistance of small-cell lung cancer by targeting angiotensin converting enzyme 2. Thorac Cancer 2022; 13:742-749. [PMID: 35040271 PMCID: PMC8888155 DOI: 10.1111/1759-7714.14313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 11/28/2022] Open
Abstract
Objective To clarify the effect of miR‐181b on the biological function of small‐cell lung cancer (SCLC) and explore the effect of clinical resistance on SCLC. Methods Blood samples were collected from 30 SCLC patients and 30 non‐SCLC patients in our department from 2017 to 2019 to detect the expression level of miR‐181b.The expression level of miR‐181b was detected in SCLC cells by RT‐PCR, and screening of downstream target genes by gene chip, verification with luciferase, and Western blotting. In addition, collect the general data of 30 SCLC patients and 30 non‐SCLC patients (control group), the patients were diagnosed by pathology and undergoing EC protocol in the Department of Thoracic Surgery and Oncology of our hospital to detect the expression level of mir‐181b in different periods. Furthermore, in the SCLC cell line, EC chemotherapy was administered to detect the sensitivity of drug resistance and nondrug resistance. Results miR‐181b in SCLC patients was lower than in normal people as well as the drug‐sensitive cell line. ACE2 was verified as a downstream target of miR‐181b by gene chip screening. First‐line chemotherapy can promote the recovery of miR‐181b, but cannot repair to normal levels. miR‐181b can enhance the drug sensitivity of SCLC drug‐resistant cells. Conclusion miR‐181b directly targets ACE2 to affect the biological characteristics of SCLC. The expression level of miR‐181b is highly related to the drug resistance of SCLC, which suggests that miR‐181b could be a potential biomarker candidate for treatment efficacy of SCLC.
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Affiliation(s)
- Guang Yang
- The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Wenhao Wang
- The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Shaohui Han
- Department of Thoracic Surgery, Hebei General Hospital, Shijiazhuang, Hebei, China
| | - Siwei Xu
- The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Huining Liu
- The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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Machine Learning Based Methods and Best Practices of microRNA-Target Prediction and Validation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1385:109-131. [DOI: 10.1007/978-3-031-08356-3_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Takahashi K, Jia H, Takahashi S, Kato H. Comprehensive miRNA and DNA Microarray Analyses Reveal the Response of Hepatic miR-203 and Its Target Gene to Protein Malnutrition in Rats. Genes (Basel) 2021; 13:genes13010075. [PMID: 35052415 PMCID: PMC8774329 DOI: 10.3390/genes13010075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/18/2021] [Accepted: 12/23/2021] [Indexed: 12/25/2022] Open
Abstract
Adequate protein nutrition is essential for good health. Effects of protein malnutrition in animals have been widely studied at the mRNA level with the development of DNA microarray technology. Although microRNAs (miRNAs) have attracted attention for their function in regulating gene expression and have been studied in several disciplines, fewer studies have clarified the effects of protein malnutrition on miRNA alterations. The present study aimed to elucidate the relationship between protein malnutrition and miRNAs. Six-week old Wistar male rats were fed a control diet (20% casein) or a low-protein diet (5% casein) for two weeks, and their livers were subjected to both DNA microarray and miRNA array analysis. miR-203 was downregulated and its putative target Hadhb (hydroxyacyl-CoA dehydrogenase β subunit), known to regulate β-oxidation of fatty acids, was upregulated by the low-protein diet. In an in vitro experiment, miR-203 or its inhibitor were transfected in HepG2 cells, and the pattern of Hadhb expression was opposite to that of miR-203 expression. In addition, to clarifying the hepatic miRNA profile in response to protein malnutrition, these results showed that a low-protein diet increased Hadhb expression through downregulation of miR-203 and induced β-oxidation of fatty acids.
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Kalushkova A, Nylund P, Párraga AA, Lennartsson A, Jernberg-Wiklund H. One Omics Approach Does Not Rule Them All: The Metabolome and the Epigenome Join Forces in Haematological Malignancies. EPIGENOMES 2021; 5:epigenomes5040022. [PMID: 34968247 PMCID: PMC8715477 DOI: 10.3390/epigenomes5040022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/17/2021] [Accepted: 09/26/2021] [Indexed: 02/01/2023] Open
Abstract
Aberrant DNA methylation, dysregulation of chromatin-modifying enzymes, and microRNAs (miRNAs) play a crucial role in haematological malignancies. These epimutations, with an impact on chromatin accessibility and transcriptional output, are often associated with genomic instability and the emergence of drug resistance, disease progression, and poor survival. In order to exert their functions, epigenetic enzymes utilize cellular metabolites as co-factors and are highly dependent on their availability. By affecting the expression of metabolic enzymes, epigenetic modifiers may aid the generation of metabolite signatures that could be utilized as targets and biomarkers in cancer. This interdependency remains often neglected and poorly represented in studies, despite well-established methods to study the cellular metabolome. This review critically summarizes the current knowledge in the field to provide an integral picture of the interplay between epigenomic alterations and the cellular metabolome in haematological malignancies. Our recent findings defining a distinct metabolic signature upon response to enhancer of zeste homolog 2 (EZH2) inhibition in multiple myeloma (MM) highlight how a shift of preferred metabolic pathways may potentiate novel treatments. The suggested link between the epigenome and the metabolome in haematopoietic tumours holds promise for the use of metabolic signatures as possible biomarkers of response to treatment.
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Affiliation(s)
- Antonia Kalushkova
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, 75185 Uppsala, Sweden; (P.N.); (A.A.P.); (H.J.-W.)
- Correspondence:
| | - Patrick Nylund
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, 75185 Uppsala, Sweden; (P.N.); (A.A.P.); (H.J.-W.)
| | - Alba Atienza Párraga
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, 75185 Uppsala, Sweden; (P.N.); (A.A.P.); (H.J.-W.)
| | - Andreas Lennartsson
- Department of Biosciences and Nutrition, NEO, Karolinska Institutet, 14157 Huddinge, Sweden;
| | - Helena Jernberg-Wiklund
- Science for Life Laboratory, Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, 75185 Uppsala, Sweden; (P.N.); (A.A.P.); (H.J.-W.)
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Arenas-Padilla M, González-Rascón A, Hernández-Mendoza A, Calderón de la Barca AM, Hernández J, Mata-Haro V. Immunomodulation by Bifidobacterium animalis subsp. lactis Bb12: Integrative Analysis of miRNA Expression and TLR2 Pathway-Related Target Proteins in Swine Monocytes. Probiotics Antimicrob Proteins 2021; 14:510-522. [PMID: 34283392 PMCID: PMC8289881 DOI: 10.1007/s12602-021-09816-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/25/2021] [Indexed: 12/12/2022]
Abstract
Bifidobacterium animalis subsp. lactis Bb12 is a widely used probiotic that provides numerous health benefits to its host, many due to its immunomodulatory properties. Although the precise mechanism of modulation is still under investigation, several reports associate the interaction of TLR2 with components of the bacterial cell wall inducing a signaling cascade that culminates with the production of cytokines and co-stimulatory molecules. MicroRNAs (miRNAs) have emerged as important post-transcriptional regulators of immune responses, including those toward probiotics. In this study, we analyzed the miRNA expression profile in swine monocytes exposed to Bb12 by using an anti-TLR2 blocking strategy and Bb12 involvement in the regulation of the TLR2 pathway. As a result, the expression of 40 miRNAs was influenced by the treatments (p < 0.01), and 15 differentially expressed miRNAs with validated miRNA–mRNA interactions with around 26 proteins related to the TLR2 pathway were identified. The miRNAs upregulated in response to Bb12 included miR-15a-5p, miR-16-5p, miR-26a-5p, miR-29b-3p, and miR-30d-5p, and the following showed downregulation: miR-181a-5p, miR-19b-3p, miR-21-5p, miR-23a-5p, and miR-221-3p. The expression of let-7c-5p, let-7f-5p, miR-146b-5p, miR-150-5p, and miR-155-5p was increased by Bb12 only when TLR2 was blocked. The identified miRNA common targets were downstream proteins from bacterial recognition via TLR2, such as MyD88, TRAF6, and MAPK members; transcription factors such as NF-κB and AP-1; and cytokines such as IL-6, IL-10, and TNF-α. TLR2 participation was abrogated by anti-TLR2 antibody and suggests that bacterial recognition is complemented by other receptors since there were still changes in the microtranscriptome.
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Affiliation(s)
- Marina Arenas-Padilla
- Laboratorio de Microbiología e Inmunología, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo E. Astiazarán 46, 83304, Hermosillo, Sonora, Mexico
| | - Anna González-Rascón
- Laboratorio de Microbiología e Inmunología, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo E. Astiazarán 46, 83304, Hermosillo, Sonora, Mexico
| | - Adrián Hernández-Mendoza
- Laboratorio de Química y Biotecnología de Productos Lácteos, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD), Carretera Gustavo E. Astiazarán 46, 83304, Hermosillo, Sonora, Mexico
| | - Ana María Calderón de la Barca
- Departamento de Nutrición y Metabolismo, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD), Carretera Gustavo E. Astiazarán 46, 83304, Hermosillo, Sonora, Mexico
| | - Jesús Hernández
- Laboratorio de Inmunología, Centro de Investigación en Alimentación y Desarrollo A.C. (CIAD), Carretera Gustavo E. Astiazarán 46, 83304, Hermosillo, Sonora, Mexico
| | - Verónica Mata-Haro
- Laboratorio de Microbiología e Inmunología, Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD), Carretera Gustavo E. Astiazarán 46, 83304, Hermosillo, Sonora, Mexico.
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15
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Bai Y, Chen C, Guo X, Ding T, Yang X, Yu J, Yang J, Ruan J, Zheng X, Chen Z. miR-638 in circulating leukaemia cells as a non-invasive biomarker in diagnosis, treatment response and MRD surveillance of acute promyelocytic leukaemia. Cancer Biomark 2021; 29:125-137. [PMID: 32568176 DOI: 10.3233/cbm-190899] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND MicroRNA (miRNA) expression has been implicated in leukaemia. In recent years, miRNAs have been under investigation for their potential as non-invasive biomarkers in acute promyelocytic leukaemia (APL). We investigated whether miR-638 in circulating leukaemia cells is a non-invasive biomarker in diagnosis, assessment of the treatment response and minimal residual disease (MRD) surveillance of APL. METHODS Sixty cases of acute myeloid leukaemia (AML), including 30 cases of APL and 30 cases of non-APL AML, were selected. Thirty healthy controls were also selected. Bone marrow (BM) and peripheral blood (PB) samples were collected from APL patients at diagnosis and post-induction. Microarray analysis and quantitative real-time PCR (qRT-PCR) were performed for miRNA profiling and miR-638 expression analysis, respectively. For statistical analysis, Mann-Whitney U test, Wilcoxon Signed Rank test, receiver operating characteristic (ROC) curve analysis and Spearman's rho correlation test were used. RESULTS Both microarray and qRT-PCR data showed that miR-638 was significantly upregulated in BM after APL patients received induction therapy. Moreover, miR-638, which is specifically downregulated in APL cell lines, was upregulated after all-trans retinoic acid (ATRA)-induced myeloid differentiation. Receiver operating characteristic (ROC) curve analyses revealed that miR-638 could serve as a valuable biomarker for differentiating APL from controls or non-APL AML. Furthermore, miR-638 expression was sharply increased after induction therapy and complete remission (CR). An inverse correlation was observed between miR-638 and PML-RARα transcripts levels in BM samples, while a positive correlation was revealed between PB miR-638 and BM miR-638 levels in APL patients after induction therapy. CONCLUSIONS Our study suggested that miR-638 may serve as a potential APL biomarker for diagnosis and assessment of the response to targeted therapy, and PB miR-638 could be used for non-invasive MRD surveillance in APL.
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Affiliation(s)
- Yuanyuan Bai
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Cheng Chen
- Department of Hematology, Wenzhou Key Laboratory of Hematology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaoling Guo
- Center of Scientific Research, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ting Ding
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xinyun Yang
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian Yu
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Junjun Yang
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jichen Ruan
- Department of Pediatric Hematology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaoqun Zheng
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhanguo Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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16
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Neaga A, Bagacean C, Tempescul A, Jimbu L, Mesaros O, Blag C, Tomuleasa C, Bocsan C, Gaman M, Zdrenghea M. MicroRNAs Associated With a Good Prognosis of Acute Myeloid Leukemia and Their Effect on Macrophage Polarization. Front Immunol 2021; 11:582915. [PMID: 33519805 PMCID: PMC7845488 DOI: 10.3389/fimmu.2020.582915] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 11/24/2020] [Indexed: 12/24/2022] Open
Abstract
Acute myeloid leukemia (AML) is an aggressive myeloid malignancy with poor outcomes despite very intensive therapeutic approaches. For the majority of patients which are unfit and treated less intensively, the prognosis is even worse. There has been unspectacular progress in outcome improvement over the last decades and the development of new approaches is of tremendous interest. The tumor microenvironment is credited with an important role in supporting cancer growth, including leukemogenesis. Macrophages are part of the tumor microenvironment and their contribution in this setting is increasingly being deciphered, these cells being credited with a tumor supporting role. Data on macrophage role and polarization in leukemia is scarce. MicroRNAs (miRNAs) have a role in the post-transcriptional regulation of gene expression, by impending translation and promoting degradation of messenger RNAs. They are important modulators of cellular pathways, playing major roles in normal hematopoietic differentiation. miRNA expression is significantly correlated with the prognosis of hematopoietic malignancies, including AML. Oncogenic miRNAs correlate with poor prognosis, while tumor suppressor miRNAs, which inhibit the expression of proto-oncogenes, are correlated with a favorable prognosis. miRNAs are proposed as biomarkers for diagnosis and prognosis and are regarded as therapeutic approaches in many cancers, including AML. miRNAs with epigenetic or modulatory activity, as well as with synergistic activity with chemotherapeutic agents, proved to be promising therapeutic targets in experimental, pre-clinical approaches. The clinical availability of emerging compounds with mimicking or suppressor activity provides the opportunity for future therapeutic targeting of miRNAs. The present paper is focusing on miRNAs which, according to current knowledge, favorably impact on AML outcomes, being regarded as tumor suppressors, and reviews their role in macrophage polarization. We are focusing on miRNA expression in the setting of AML, but data on correlations between miRNA expression and macrophage polarization is mostly coming from studies involving normal tissue.
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Affiliation(s)
- Alexandra Neaga
- Department of Hematology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Cristina Bagacean
- Department of Hematology, Brest University Medical School Hospital, Brest, France.,U1227 B Lymphocytes and Autoimmunity, University of Brest, INSERM, IBSAM, Brest, France
| | - Adrian Tempescul
- Department of Hematology, Brest University Medical School Hospital, Brest, France.,U1227 B Lymphocytes and Autoimmunity, University of Brest, INSERM, IBSAM, Brest, France
| | - Laura Jimbu
- Department of Hematology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Oana Mesaros
- Department of Hematology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Cristina Blag
- Department of Pediatrics, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ciprian Tomuleasa
- Department of Hematology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, Ion Chiricuta Oncology Institute, Cluj-Napoca, Romania
| | - Corina Bocsan
- Department of Pharmacology, Toxicology and Clinical Pharmacology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihaela Gaman
- Department of Hematology, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Mihnea Zdrenghea
- Department of Hematology, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.,Department of Hematology, Ion Chiricuta Oncology Institute, Cluj-Napoca, Romania
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17
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Morales-Martinez M, Vega MI. Participation of different miRNAs in the regulation of YY1: Their role in pathogenesis, chemoresistance, and therapeutic implication in hematologic malignancies. YY1 IN THE CONTROL OF THE PATHOGENESIS AND DRUG RESISTANCE OF CANCER 2021:171-198. [DOI: 10.1016/b978-0-12-821909-6.00010-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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18
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Abstract
PURPOSE OF REVIEW MiRNAs are critical regulators for gene expression. Numerous studies have revealed how miRNAs contribute to the pathogenesis of hematologic malignancies. RECENT FINDINGS The identification of novel miRNA regulatory factors and pathways crucial for miRNA dysregulation has been linked to hematologic malignancies. miRNA expression profiling has shown their potential to predict outcomes and treatment responses. Recently, targeting miRNA biogenesis or pathways has become a promising therapeutic strategy with recent miRNA-therapeutics being developed. SUMMARY We provide a comprehensive overview of the role of miRNAs for diagnosis, prognosis, and therapeutic potential in hematologic malignancies.
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19
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Ghafouri-Fard S, Abak A, Shoorei H, Mohaqiq M, Majidpoor J, Sayad A, Taheri M. Regulatory role of microRNAs on PTEN signaling. Biomed Pharmacother 2020; 133:110986. [PMID: 33166764 DOI: 10.1016/j.biopha.2020.110986] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/28/2020] [Accepted: 11/03/2020] [Indexed: 12/13/2022] Open
Abstract
Phosphatase and tensin homolog (PTEN) gene encodes a tumor suppressor protein which is altered in several malignancies. This protein is a negative regulator of the PI3K/AKT signaling. Several transcription factors regulate the expression of PTEN in positive or negative directions. Moreover, numerous microRNAs (miRNAs) have functional interactions with PTEN and inhibit its expression. Suppression of PTEN can attenuate the response of cancer cells to chemotherapeutic agents. Based on the critical role of this tumor suppressor gene, the identification of negative regulators of its expression has practical significance particularly in the prevention and management of cancer. Meanwhile, the interaction between miRNAs and PTEN has functional consequences in non-malignant disorders including myocardial infarction, osteoporosis, cerebral ischemic stroke, and recurrent abortion. In the present review, we describe the role of miRNAs in the regulation of expression and activity of PTEN.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atefe Abak
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Mahdi Mohaqiq
- Wake Forest Institute for Regenerative Medicine, School of Medicine, Wake Forest University, Winston-Salem, NC, USA
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Arezou Sayad
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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20
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Ding C, Xi G, Wang G, Cui D, Zhang B, Wang H, Jiang G, Song J, Xu G, Wang J. Exosomal Circ-MEMO1 Promotes the Progression and Aerobic Glycolysis of Non-small Cell Lung Cancer Through Targeting MiR-101-3p/KRAS Axis. Front Genet 2020; 11:962. [PMID: 33005174 PMCID: PMC7483554 DOI: 10.3389/fgene.2020.00962] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 07/31/2020] [Indexed: 12/28/2022] Open
Abstract
Circular RNA mediator of cell motility 1 (circ-MEMO1) was identified as an oncogene in non-small cell lung cancer (NSCLC). Nevertheless, the working mechanism behind circ-MEMO1-mediated progression of NSCLC is barely known. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to detect the expression of circ-MEMO1, microRNA-101-3p (miR-101-3p), and KRAS proto-oncogene, GTPase (KRAS). Cell proliferation and aerobic glycolysis were detected by 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and glycolysis detection kits. Flow cytometry was used to evaluate cell cycle progression and apoptosis of NSCLC cells. Western blot assay was used to measure the protein expression of hexokinase 2 (HK2), lactate dehydrogenase A (LDHA), KRAS, CD9, CD81, tumor susceptibility 101 (TSG101), and Golgi matrix protein 130 kDa (GM130). The target relationship between miR-101-3p and circ-MEMO1 or KRAS was predicted by StarBase software and confirmed by dual-luciferase reporter assay, RNA immunoprecipitation (RIP) assay, and RNA-pull down assay. In vivo tumor growth assay was conducted to assess the effect of circ-MEMO1 in vivo. Exosomes were isolated using the ExoQuick precipitation kit. Circ-MEMO1 was up-regulated in NSCLC, and high expression of circ-MEMO1 predicted poor prognosis in NSCLC patients. Circ-MEMO1 accelerated the proliferation, cell cycle progression, and glycolytic metabolism and inhibited the apoptosis of NSCLC cells. Circ-MEMO1 negatively regulated the expression of miR-101-3p through direct interaction, and si-circ-MEMO1-induced biological effects were attenuated by the introduction of anti-miR-101-3p. MiR-101-3p directly interacted with the 3′ untranslated region (3′ UTR) of KRAS messenger RNA (mRNA), and KRAS level was regulated by circ-MEMO1/miR-101-3p axis. Circ-MEMO1 silencing suppressed the NSCLC tumor growth in vivo. ROC curve analysis revealed that high expression of serum exosomal circ-MEMO1 (exo-circ-MEMO1) might be a valuable diagnostic marker for NSCLC. Circ-MEMO1 facilitated the progression and glycolysis of NSCLC through regulating miR-101-3p/KRAS axis.
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Affiliation(s)
- Chengzhi Ding
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Gaoyuan Xi
- Department of Anesthesiology, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Guolei Wang
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Dong Cui
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Binbin Zhang
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Hongtao Wang
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Gongqian Jiang
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Jingchao Song
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Guanghui Xu
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Jiao Wang
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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21
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Rossetti S, Sacchi N. Emerging Cancer Epigenetic Mechanisms Regulated by All-Trans Retinoic Acid. Cancers (Basel) 2020; 12:cancers12082275. [PMID: 32823855 PMCID: PMC7465226 DOI: 10.3390/cancers12082275] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/28/2020] [Accepted: 08/12/2020] [Indexed: 12/14/2022] Open
Abstract
All-trans retinoic acid (RA), which is the dietary bioactive derivative obtained from animal (retinol) and plant sources (beta-carotene), is a physiological lipid signal of both embryonic and postembryonic development. During pregnancy, either RA deficiency or an excessive RA intake is teratogenic. Too low or too high RA affects not only prenatal, but also postnatal, developmental processes such as myelopoiesis and mammary gland morphogenesis. In this review, we mostly focus on emerging RA-regulated epigenetic mechanisms involving RA receptor alpha (RARA) and Annexin A8 (ANXA8), which is a member of the Annexin family, as well as ANXA8 regulatory microRNAs (miRNAs). The first cancer showing ANXA8 upregulation was reported in acute promyelocytic leukemia (APL), which induces the differentiation arrest of promyelocytes due to defective RA signaling caused by RARA fusion genes as the PML-RARA gene. Over the years, ANXA8 has also been found to be upregulated in other cancers, even in the absence of RARA fusion genes. Mechanistic studies on human mammary cells and mammary glands of mice showed that ANXA8 upregulation is caused by genetic mutations affecting RARA functions. Although not all of the underlying mechanisms of ANXA8 upregulation have been elucidated, the interdependence of RA-RARA and ANXA8 seems to play a relevant role in some normal and tumorigenic settings.
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22
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Abstract
Retinoic acid (RA), the biologically active metabolite of vitamin A, regulates a vast spectrum of biological processes, such as cell differentiation, proliferation, apoptosis, and morphogenesis. microRNAs (miRNAs) play a crucial role in regulating gene expression by binding to messenger RNA (mRNA) which leads to mRNA degradation and/or translational repression. Like RA, miRNAs regulate multiple biological processes, including proliferation, differentiation, apoptosis, neurogenesis, tumorigenesis, and immunity. In fact, RA regulates the expression of many miRNAs to exert its biological functions. miRNA and RA regulatory networks have been studied in recent years. In this manuscript, we summarize literature that highlights the impact of miRNAs in RA-regulated molecular networks included in the PubMed.
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Affiliation(s)
- Lijun Wang
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, United States
| | - Atharva Piyush Rohatgi
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, United States
| | - Yu-Jui Yvonne Wan
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, United States.
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23
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Indrieri A, Carrella S, Carotenuto P, Banfi S, Franco B. The Pervasive Role of the miR-181 Family in Development, Neurodegeneration, and Cancer. Int J Mol Sci 2020; 21:ijms21062092. [PMID: 32197476 PMCID: PMC7139714 DOI: 10.3390/ijms21062092] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/13/2020] [Accepted: 03/16/2020] [Indexed: 12/21/2022] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs playing a fundamental role in the regulation of gene expression. Evidence accumulating in the past decades indicate that they are capable of simultaneously modulating diverse signaling pathways involved in a variety of pathophysiological processes. In the present review, we provide a comprehensive overview of the function of a highly conserved group of miRNAs, the miR-181 family, both in physiological as well as in pathological conditions. We summarize a large body of studies highlighting a role for this miRNA family in the regulation of key biological processes such as embryonic development, cell proliferation, apoptosis, autophagy, mitochondrial function, and immune response. Importantly, members of this family have been involved in many pathological processes underlying the most common neurodegenerative disorders as well as different solid tumors and hematological malignancies. The relevance of this miRNA family in the pathogenesis of these disorders and their possible influence on the severity of their manifestations will be discussed. A better understanding of the miR-181 family in pathological conditions may open new therapeutic avenues for devasting disorders such as neurodegenerative diseases and cancer.
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Affiliation(s)
- Alessia Indrieri
- Telethon Institute of Genetics and Medicine (TIGEM), Via Campi Flegrei 34, 80078 Pozzuoli, Naples, Italy; (S.C.); (P.C.)
- Medical Genetics, Department of Translational Medical Sciences, University of Naples “Federico II”, Via Sergio Pansini 5, 80131 Naples, Italy
- Institute for Genetic and Biomedical Research (IRGB), National Research Council (CNR), 20090 Milan, Italy
- Correspondence: (A.I.); (S.B.); (B.F.); Tel.: +39-081-19230655 (A.I.); +39-081-19230606 (S.B.); +39-081-19230615 (B.F.)
| | - Sabrina Carrella
- Telethon Institute of Genetics and Medicine (TIGEM), Via Campi Flegrei 34, 80078 Pozzuoli, Naples, Italy; (S.C.); (P.C.)
- Medical Genetics, Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Pietro Carotenuto
- Telethon Institute of Genetics and Medicine (TIGEM), Via Campi Flegrei 34, 80078 Pozzuoli, Naples, Italy; (S.C.); (P.C.)
- The Institute of Cancer Research, Cancer Therapeutics Unit 15 Cotswold Road, Sutton, London SM2 5NG, UK
| | - Sandro Banfi
- Telethon Institute of Genetics and Medicine (TIGEM), Via Campi Flegrei 34, 80078 Pozzuoli, Naples, Italy; (S.C.); (P.C.)
- Medical Genetics, Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Correspondence: (A.I.); (S.B.); (B.F.); Tel.: +39-081-19230655 (A.I.); +39-081-19230606 (S.B.); +39-081-19230615 (B.F.)
| | - Brunella Franco
- Telethon Institute of Genetics and Medicine (TIGEM), Via Campi Flegrei 34, 80078 Pozzuoli, Naples, Italy; (S.C.); (P.C.)
- Medical Genetics, Department of Translational Medical Sciences, University of Naples “Federico II”, Via Sergio Pansini 5, 80131 Naples, Italy
- Correspondence: (A.I.); (S.B.); (B.F.); Tel.: +39-081-19230655 (A.I.); +39-081-19230606 (S.B.); +39-081-19230615 (B.F.)
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24
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Bao J, Li X, Li Y, Huang C, Meng X, Li J. MicroRNA-141-5p Acts as a Tumor Suppressor via Targeting RAB32 in Chronic Myeloid Leukemia. Front Pharmacol 2020; 10:1545. [PMID: 32038235 PMCID: PMC6987442 DOI: 10.3389/fphar.2019.01545] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 11/29/2019] [Indexed: 12/11/2022] Open
Abstract
MicroRNA-141-5p (miR-141-5p), an important member of the miR-200 family, has been reported to be involved in cellular proliferation, migration, invasion, and drug resistance in different kinds of human malignant tumors. However, the role and function of miR-141-5p in chronic myeloid leukemia (CML) are unclear. In this current study, we found that the level of miR-141-5p was significantly decreased in peripheral blood cells from CML patients compared with normal blood cells and human leukemic cell line (K562 cells) compared with normal CD34+ cells, but was remarkably elevated in patients after treatment with nilotinib or imatinib. Suppression of miR-141-5p promoted K562 cell proliferation and migration in vitro. As expected, overexpression of miR-141-5p weakened K562 cell proliferation, migration, and promoted cell apoptosis. A xenograft model in nude mice showed that overexpression of miR-141-5p markedly suppressed tumor growth in vivo. Mechanistic studies suggested that RAB32 was the potential target of miR-141-5p, and silencing of RAB32 suppressed the proliferation and migration of K562 cells and promoted cell apoptosis. Taken together, our study demonstrates that miR-141-5p plays an important role in the activation of K562 cells in vitro and may act as a tumor suppressor via targeting RAB32 in the development of CML.
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Affiliation(s)
- Jing Bao
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China.,Department of Hematology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xiaofeng Li
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Yuhuan Li
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Cheng Huang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Xiaoming Meng
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Jun Li
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
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25
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Gholikhani-Darbroud R. MicroRNA and retinoic acid. Clin Chim Acta 2019; 502:15-24. [PMID: 31812758 DOI: 10.1016/j.cca.2019.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/02/2019] [Accepted: 12/03/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVE Retinoic acid is a metabolite of vitamin A that is necessary to maintain health in human and most of the other vertebrates. MicroRNAs (miR or miRNAs) are small, non-coding RNA particles that diminish mRNA translation of various genes and so can regulate critical cell processes including cell death, proliferation, development, etc. The aim of this review is to study interrelations between retinoic acid with miRNAs. METHODS We reviewed and summarized all published articles in PubMed, Europe PMC, and Embase databases with any relationship between retinoic acid and miRNAs from Jun 2003 to Dec 2018 that includes 126 articles. RESULTS Results showed direct and indirect relationships between retinoic acid and miRNAs in various levels including effects of retinoic acid on expression of various miRNAs and miRNA-biogenesis enzymes, and effect of miRNAs on metabolism of retinoic acid. DISCUTION AND CONCLUSION This review indicates that retinoic acid has inter-correlations with various miRNA members and their metabolism in health and disease may require implications of the other.
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Affiliation(s)
- Reza Gholikhani-Darbroud
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia 5714783734, Iran.
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26
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Montgomery M, Srinivasan A. Epigenetic Gene Regulation by Dietary Compounds in Cancer Prevention. Adv Nutr 2019; 10:1012-1028. [PMID: 31100104 PMCID: PMC6855955 DOI: 10.1093/advances/nmz046] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 03/07/2019] [Accepted: 04/03/2019] [Indexed: 02/06/2023] Open
Abstract
Traditionally, cancer has been viewed as a set of diseases that are driven by the accumulation of genetic mutations, but we now understand that disruptions in epigenetic regulatory mechanisms are prevalent in cancer as well. Unlike genetic mutations, however, epigenetic alterations are reversible, making them desirable therapeutic targets. The potential for diet, and bioactive dietary components, to target epigenetic pathways in cancer is now widely appreciated, but our understanding of how to utilize these compounds for effective chemopreventive strategies in humans is in its infancy. This review provides a brief overview of epigenetic regulation and the clinical applications of epigenetics in cancer. It then describes the capacity for dietary components to contribute to epigenetic regulation, with a focus on the efficacy of dietary epigenetic regulators as secondary cancer prevention strategies in humans. Lastly, it discusses the necessary precautions and challenges that will need to be overcome before the chemopreventive power of dietary-based intervention strategies can be fully harnessed.
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Affiliation(s)
- McKale Montgomery
- Department of Nutritional Sciences, Oklahoma State University, Stillwater, OK,Address correspondence to MM (E-mail: )
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Champeris Tsaniras S, Delinasios GJ, Petropoulos M, Panagopoulos A, Anagnostopoulos AK, Villiou M, Vlachakis D, Bravou V, Stathopoulos GT, Taraviras S. DNA Replication Inhibitor Geminin and Retinoic Acid Signaling Participate in Complex Interactions Associated With Pluripotency. Cancer Genomics Proteomics 2019; 16:593-601. [PMID: 31659113 PMCID: PMC6885373 DOI: 10.21873/cgp.20162] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 09/23/2019] [Accepted: 10/10/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND/AIM Several links between DNA replication, pluripotency and development have been recently identified. The involvement of miRNA in the regulation of cell cycle events and pluripotency factors has also gained attention. MATERIALS AND METHODS In the present study, we used the g:Profiler platform to analyze transcription factor binding sites, miRNA networks and protein-protein interactions to identify novel links among the aforementioned processes. RESULTS AND CONCLUSION A complex circuitry between retinoic acid signaling, SWI/SNF components, pluripotency factors including Oct4, Sox2 and Nanog and cell cycle regulators was identified. It is suggested that the DNA replication inhibitor geminin plays a central role in this circuitry.
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Affiliation(s)
- Spyridon Champeris Tsaniras
- Department of Physiology, Medical School, University of Patras, Patras, Greece
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, U.S.A
| | | | | | | | - Athanasios K Anagnostopoulos
- International Institute of Anticancer Research, Kapandriti, Greece
- Proteomics Research Unit, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Maria Villiou
- Department of Physiology, Medical School, University of Patras, Patras, Greece
| | - Dimitrios Vlachakis
- Bioinformatics & Medical Informatics Laboratory, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Vasiliki Bravou
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, University of Patras, Patras, Greece
| | - Georgios T Stathopoulos
- Laboratory for Molecular Respiratory Carcinogenesis, Department of Physiology, Faculty of Medicine, University of Patras, Patras, Greece
| | - Stavros Taraviras
- Department of Physiology, Medical School, University of Patras, Patras, Greece
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Lima L, de Melo TCT, Marques D, de Araújo JNG, Leite ISF, Alves CX, Genre J, Silbiger VN. Modulation of all-trans retinoic acid-induced MiRNA expression in neoplastic cell lines: a systematic review. BMC Cancer 2019; 19:866. [PMID: 31470825 PMCID: PMC6717326 DOI: 10.1186/s12885-019-6081-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 08/23/2019] [Indexed: 12/13/2022] Open
Abstract
Background Cancer is a genetic and epigenetic disease that involves inactivation of tumor suppressor genes and activation of proto-oncogenes. All-trans retinoic acid (ATRA) is an isomer of retinoic acid involved in the onset of differentiation and apoptosis of a number of normal and cancer cells, functioning as an anti-cancer agent in several neoplasms. Ectopic changes in the expression of certain microRNAs (miRNAs) occur in response to ATRA, leading to phenotypic alterations in neoplastic cell lines. Moreover, the modulation of miRNA patterns upon ATRA-treatment may represent an effective chemopreventive and anti-cancer therapy strategy. The present systematic review was performed to provide an overview of the modulation of ATRA-induced miRNA expression in different types of neoplastic cells and identify the efficacy of intervention factors (i.e., concentration and duration of treatment) and how they influence expression profiles of oncogenesis-targeting miRNAs. Methods A systematic search was conducted according to the PRISMA statement via the US National Library of Medicine MEDLINE/PubMed bibliographic search engine. Results The search identified 31 experimental studies involving human cell lines from nine different cancer types (neuroblastoma, acute myeloid leukemia, breast cancer, lung cancer, pancreatic cancer, glioma, glioblastoma, embryonal carcinoma, and colorectal cancer) treated with ATRA at concentrations ranging from 10− 3 μmol/L to 102 μmol mol/L for 24 h to 21 days. Conclusion The concentrations used and the duration of treatment of cancer cells with ATRA varied widely. The presence of ATRA in the culture medium of cancer cells was able to modulate the expression of more than 300 miRNAs, and inhibit invasive behavior and deregulated growth of cancer cells, resulting in total tumor remission in some cases. ATRA may thus be broadly effective for neoplasm treatment and prevention, although these studies may not accurately represent in vivo conditions. Additional studies are required to elucidate ATRA-induced miRNA modulation during neoplasm treatment.
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Affiliation(s)
- Lara Lima
- Postgraduate Program in Nutrition, Federal University of Rio Grande do Norte, Natal, Brazil.,Laboratory of Bioanalysis and Molecular Biotechnology, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Diego Marques
- Laboratory of Bioanalysis and Molecular Biotechnology, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Jéssica Nayara Góes de Araújo
- Laboratory of Bioanalysis and Molecular Biotechnology, Federal University of Rio Grande do Norte, Natal, Brazil.,Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
| | | | - Camila Xavier Alves
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Julieta Genre
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Vivian Nogueira Silbiger
- Postgraduate Program in Nutrition, Federal University of Rio Grande do Norte, Natal, Brazil. .,Laboratory of Bioanalysis and Molecular Biotechnology, Federal University of Rio Grande do Norte, Natal, Brazil. .,Postgraduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, Brazil. .,Department of Clinical and Toxicological Analysis, Federal University of Rio Grande do Norte, Av. General Gustavo Cordeiro de Faria S/N, Petrópolis, Natal - RN, 59012-570, Brazil.
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Not Only Mutations Matter: Molecular Picture of Acute Myeloid Leukemia Emerging from Transcriptome Studies. JOURNAL OF ONCOLOGY 2019; 2019:7239206. [PMID: 31467542 PMCID: PMC6699387 DOI: 10.1155/2019/7239206] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 06/12/2019] [Indexed: 01/08/2023]
Abstract
The last two decades of genome-scale research revealed a complex molecular picture of acute myeloid leukemia (AML). On the one hand, a number of mutations were discovered and associated with AML diagnosis and prognosis; some of them were introduced into diagnostic tests. On the other hand, transcriptome studies, which preceded AML exome and genome sequencing, remained poorly translated into clinics. Nevertheless, gene expression studies significantly contributed to the elucidation of AML pathogenesis and indicated potential therapeutic directions. The power of transcriptomic approach lies in its comprehensiveness; we can observe how genome manifests its function in a particular type of cells and follow many genes in one test. Moreover, gene expression measurement can be combined with mutation detection, as high-impact mutations are often present in transcripts. This review sums up 20 years of transcriptome research devoted to AML. Gene expression profiling (GEP) revealed signatures distinctive for selected AML subtypes and uncovered the additional within-subtype heterogeneity. The results were particularly valuable in the case of AML with normal karyotype which concerns up to 50% of AML cases. With the use of GEP, new classes of the disease were identified and prognostic predictors were proposed. A plenty of genes were detected as overexpressed in AML when compared to healthy control, including KIT, BAALC, ERG, MN1, CDX2, WT1, PRAME, and HOX genes. High expression of these genes constitutes usually an unfavorable prognostic factor. Upregulation of FLT3 and NPM1 genes, independent on their mutation status, was also reported in AML and correlated with poor outcome. However, transcriptome is not limited to the protein-coding genes; other types of RNA molecules exist in a cell and regulate genome function. It was shown that microRNA (miRNA) profiles differentiated AML groups and predicted outcome not worse than protein-coding gene profiles. For example, upregulation of miR-10a, miR-10b, and miR-196b and downregulation of miR-192 were found as typical of AML with NPM1 mutation whereas overexpression of miR-155 was associated with FLT3-internal tandem duplication (FLT3-ITD). Development of high-throughput technologies and microarray replacement by next generation sequencing (RNA-seq) enabled uncovering a real variety of leukemic cell transcriptomes, reflected by gene fusions, chimeric RNAs, alternatively spliced transcripts, miRNAs, piRNAs, long noncoding RNAs (lncRNAs), and their special type, circular RNAs. Many of them can be considered as AML biomarkers and potential therapeutic targets. The relations between particular RNA puzzles and other components of leukemic cells and their microenvironment, such as exosomes, are now under investigation. Hopefully, the results of this research will shed the light on these aspects of AML pathogenesis which are still not completely understood.
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Li J, Yang G, Liu S, Wang L, Liang Z, Zhang H. Suv39h1 promotes facet joint chondrocyte proliferation by targeting miR-15a/Bcl2 in idiopathic scoliosis patients. Clin Epigenetics 2019; 11:107. [PMID: 31337422 PMCID: PMC6651996 DOI: 10.1186/s13148-019-0706-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 07/15/2019] [Indexed: 01/07/2023] Open
Abstract
Background Idiopathic scoliosis (IS) is a complex disease with an unclear etiology, and the worldwide prevalence is approximately 2–3%. As an important link between environmental factors and phenotypic differences, epigenetic changes, such as lncRNA, miRNA, and DNA methylation, have recently been reported to be associated with the development of IS. However, the correlation between histone methylation, another classical epigenetic mechanism, and IS has not been determined. In this study, we investigated the morphological changes, alterations in the levels of histone methylation, and cell proliferation-related pathway in inferior facet joint cartilage in 11 IS patients and 10 comparable controls. Results Compared with the control group, narrowed facet joint cartilage but increased proliferative chondrocytes and upregulated collagen type II (COL2A1) and B-cell lymphoma-2 (Bcl2) were observed in IS patients. Additionally, tri-methylation levels of H3K9 (H3K9me3) rather than other lysine sites were significantly increased in IS patients, coinciding with the upregulation of its specific enzyme, suppressor of variegation 3-9, drosophila homolog of 1 (SUV39H1). In addition, Bcl2-targeted miR-15a was downregulated in IS patients, and the level of H3K9me3 in the promoter region of the miR-15a host gene was remarkably increased in IS patients compared with the control group. Moreover, overexpressing SUV39H1 in ATDC5 cells with increased H3K9me3 levels led to similar changes, with increased expression of COL2A1 and Bcl2, decreased expression of miR-15a, and increased cell proliferation. Conclusions Thus, our study suggests that increased chondrocyte proliferation occurs in the facet joint cartilage of IS patients compared with the control group and may be promoted by the elevated levels of H3K9me3 and SUV39H1, which regulate the miR-15a/Bcl2 pathway. This dysregulation of chondrocyte proliferation could result in abnormal spinal growth and may additionally participate in the development and progression of IS. Electronic supplementary material The online version of this article (10.1186/s13148-019-0706-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jiong Li
- Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410008, China
| | - Guanteng Yang
- Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410008, China
| | - Shaohua Liu
- Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410008, China
| | - Longjie Wang
- Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410008, China
| | - Zhuotao Liang
- Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410008, China
| | - Hongqi Zhang
- Department of Spine Surgery, Xiangya Hospital, Central South University, No. 87, Xiangya Road, Changsha, 410008, China.
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Seleem M, Shabayek M, Ewida HA. MicroRNAs 342 and 450 together with NOX-4 activity and their association with coronary artery disease in diabetes. Diabetes Metab Res Rev 2019; 35:e3130. [PMID: 30681251 DOI: 10.1002/dmrr.3130] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 01/15/2019] [Accepted: 01/17/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Dysregulation of miRNAs has been associated with many clinical conditions, including coronary artery disease (CAD). MiRNAs roles in patients with type 2 diabetes mellitus (T2D) with or without CAD, however, have not been clearly understood. Therefore we studied the expression of miRNAs 342 and 450 and the activity of the NADPH oxidase 4 (NOX-4), and their association with anthropometric and biochemical parameters of hyperglycaemia and dyslipidaemia. SUBJECTS AND METHODS Blood was collected from 200 outpatient subjects, divided into four groups of 50 individuals including control, T2D, CAD, and T2D with CAD. CAD was further divided based on CAD with angina, CAD clots, and CAD ischaemia to differentiate the primary cause of CAD. We measured the miRNAs 342 and 450 expression and NOX-4 activity, in addition to routine parameters. RESULTS The expression of miRNAs 342 and 450 and NOX-4 activity was significantly different between groups. Furthermore, they presented significant correlations with routine parameters, providing evidence of a potentially beneficial role in stratifying the risk for CAD in patients with T2D. CONCLUSION The results of this study suggest that the expression of miRNAs 342 and 450 and NOX-4 activity may help identify those individuals with T2D at high risk for developing CAD as well as the prognosis in those with established CAD.
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Affiliation(s)
- Mae Seleem
- Department of Pharmacology and Biochemistry, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
| | - Marwa Shabayek
- Department of Pharmacology and Biochemistry, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
| | - Heba A Ewida
- Department of Pharmacology and Biochemistry, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt, Cairo, Egypt
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Yuan Z, Zhong L, Liu D, Yao J, Liu J, Zhong P, Yao S, Zhao Y, Li L, Chen M, Liu L, Liu B. MiR-15b regulates cell differentiation and survival by targeting CCNE1 in APL cell lines. Cell Signal 2019; 60:57-64. [PMID: 30965092 DOI: 10.1016/j.cellsig.2019.04.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 03/21/2019] [Accepted: 04/05/2019] [Indexed: 01/19/2023]
Abstract
MicroRNAs have been shown to be involved in various cell processes, including proliferation, apoptosis and differentiation. However, little is known about their function in granulopoiesis. In the present study, overexpression and knockdown experiments revealed that miR-15b was required to block the proliferation of NB4 and HL60 cells and induce them differentiated to granulocyte lineage. Moreover, we identified CCNE1 as a direct target of miR-15b, and demonstrated that CCNE1 was involved in cell differentiation and proliferation in acute promyelocytic leukemia cells. In addition, we demonstrated a novel pathway in which miR-15b regulated cells arrested in the G0/G1 phase and promoted terminal differentiation of cells by targeting CCNE1, which could modulate the cell cycle effort pRb in APL cells. These events blocked cell proliferation and promoted granulocyte differentiation. In conclusion, our data highlighted, for the first time, the important role of miR-15b in myeloid differentiation and suggested the potential role of miR-15b in cancer therapy.
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Affiliation(s)
- Zhen Yuan
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Liang Zhong
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Dongdong Liu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Juanjuan Yao
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Junmei Liu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Pengqiang Zhong
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Shifei Yao
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Yi Zhao
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Lianwen Li
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Min Chen
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China
| | - Lu Liu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Beizhong Liu
- Central Laboratory of Yong-Chuan Hospital, Chongqing Medical University, Chongqing 402160, China; Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China.
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Biersack B. Interplay of non-coding RNAs and approved antimetabolites such as gemcitabine and pemetrexed in mesothelioma. Noncoding RNA Res 2019; 3:213-225. [PMID: 30809600 PMCID: PMC6257890 DOI: 10.1016/j.ncrna.2018.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 11/03/2018] [Accepted: 11/03/2018] [Indexed: 12/13/2022] Open
Abstract
Gemcitabine and pemetrexed are clinically approved antimetabolites for the therapy of mesothelioma diseases. These drugs are often applied in combination with platinum complexes and other drugs. The activity of antimetabolites depended on the expression levels of certain non-coding RNAs, in particular, of small microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). The development of tumor resistance towards antimetabolites was regulated by non-coding RNAs. An overview of the interplay between gemcitabine/pemetrexed antimetabolites and non-coding RNAs in mesothelioma is provided. Further to this, various non-coding RNA-modulating agents are discussed which displayed positive effects on gemcitabine or pemetrexed treatment of mesothelioma diseases. A detailed knowledge of the connections of non-coding RNAs with antimetabolites will be constructive for the design of improved therapies in future.
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Key Words
- AKBA, 3-acetyl-11-keto-β-boswellic acid
- Anticancer drugs
- Bcl-2, B-cell lymphoma 2
- DADS, diallyl sulfide
- DHA, docosahexaenoic acid
- DIM, 3,3‘-diindolylmethane
- DMPM, diffuse malignant peritoneal mesothelioma
- EGCG, epigallocatechin-3-gallate
- EMT, epithelial-mesenchymal transition
- Gemcitabine
- HOTAIR, HOX transcript antisense RNA
- I3C, indole-3-carbinol
- Long non-coding RNA
- MALAT1, metastasis-associated lung adenocarcinoma transcript 1
- MPM, malignant pleural mesothelioma
- Mesothelioma
- MicroRNA
- NSCLC, non-small cell lung cancer
- NaB, sodium butyrate
- PDCD4, programmed cell death 4
- PEG, polyethylene glycole
- PEITC, phenethylisothiocyanate
- PTEN, phosphatase and tensin homolog
- Pemetrexed
- RA, retinoic acid
- SAHA, suberoylanilide hydroxamic acid
- SFN, sulforaphane
- TSA, trichostatin A
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Lee DH, Kim KC, Hwang CJ, Park KR, Jung YS, Kim SY, Kim JY, Song JK, Song MJ, Choi MK, Hwang DY, Han SB, Hong JT. Decreased Lung Tumor Development in SwAPP Mice through the Downregulation of CHI3L1 and STAT 3 Activity via the Upregulation of miRNA342-3p. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 16:63-72. [PMID: 30849743 PMCID: PMC6406047 DOI: 10.1016/j.omtn.2019.02.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 02/07/2019] [Accepted: 02/07/2019] [Indexed: 12/18/2022]
Abstract
We previously found that lung tumor development was reduced in a presenilin (PS) Alzheimer’s disease (AD) mouse model. Here, we investigated whether this reducing effect could occur in a different AD mouse model. We investigated urethane-induced (1 mg/g) lung tumor development and melanoma growth in Swedish amyloid precursor protein (SwAPP) transgenic mice. The expression of chitinase-3-like-1 (Chi3L1) increased during lung tumor development and melanoma growth, which was accompanied by an increase in the activity of signal transducer and activator of transcription 3 (STAT3) and the downregulation of miRNA342-3p in wild-type mice. Like tumor development, the expression of Chi3L1 and STAT3 activity was reduced in the SwAPP mice, whereas the expression of miRNA342-3p was upregulated. In addition, Chi3L1 knockdown in the lung cancer and melanoma tissues reduced cancer cell growth and STAT3 activity but enhanced miRNA342-3p expression. However, the miRNA342-3p mimic decreased Chi3L1 expression, cancer cell growth, and STAT3 activity. Moreover, a STAT3 inhibitor reduced Chi3L1 expression and cancer cell growth but enhanced miRNA342-3p expression. These data showed that lung tumor development was reduced through the decrease of Chi3L1 expression via the STAT3-dependent upregulation of miRNA342-3p. This study indicates that lung tumor development could be reduced in SwAPP AD mice.
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Affiliation(s)
- Dong Hun Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Ki Cheon Kim
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Chul Ju Hwang
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Kyung Ran Park
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Young Suk Jung
- College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - Sun Young Kim
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Ji Young Kim
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Ju Kyung Song
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Min Ji Song
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Min Ki Choi
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Dae Youn Hwang
- College of Natural Resources and Life Science, Pusan National University, Busan 46241, Republic of Korea
| | - Sang-Bae Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Osongsaengmyeong 1-ro 194-21, Osong-eup, Heungduk-gu, Cheongju, Chungbuk 28160, Republic of Korea.
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Mukherjee S, Akbar I, Kumari B, Vrati S, Basu A, Banerjee A. Japanese Encephalitis Virus-induced let-7a/b interacted with the NOTCH-TLR7 pathway in microglia and facilitated neuronal death via caspase activation. J Neurochem 2019; 149:518-534. [PMID: 30556910 DOI: 10.1111/jnc.14645] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/30/2018] [Accepted: 12/06/2018] [Indexed: 12/16/2022]
Abstract
MicroRNAs (miRNAs) released from the activated microglia upon neurotropic virus infection may exacerbate the neuronal damage. Here, we identified let-7a and let-7b (let-7a/b) as one of the essential miRNAs over-expressed upon Japanese Encephalitis virus (JEV) infection and released in the culture supernatant of the JEV-infected microglial cells through extracellular vesicles. The let-7a/b was previously reported to modulate inflammation in microglial cells through Toll-like receptor 7 (TLR7) pathways; although their role in accelerating JEV pathogenesis remain unexplored. Therefore, we studied the role of let-7a/b in modulating microglia-mediated inflammation during JEV infection and investigated the effect of let-7a/b-containing exosomes on primary neurons. To this end, we examined let-7a/b and NOTCH signaling pathway in TLR7 knockdown (KD) mice. We observed that TLR7 KD or inhibition of let-7a/b suppressed the JEV-induced NOTCH activation possibly via NF-κB dependent manner and subsequently, attenuated JEV-induced TNFα production in microglial cells. Furthermore, exosomes secreted from let-7a/b over-expressed microglia when transferred to uninfected mice brain induced caspase activation. Exosomes secreted from virus-infected or let-7a/b over-expressed microglia when co-incubated with mouse neuronal (Neuro2a) cells or primary cortical neurons also facilitated caspase activation leading to neuronal death. Thus, our results provide evidence for the multifaceted role of let-7a/b miRNAs in JEV pathogenesis. Let-7a/b can interact with TLR7 and NOTCH signaling pathway and enhance TNFα release from microglia. On the other hand, the exosomes secreted by JEV-infected microglia can activate caspases in uninfected neuronal cells which possibly contribute to bystander neuronal death. Cover Image for this issue: doi: 10.1111/jnc.14506.
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Affiliation(s)
| | | | - Bharti Kumari
- Translational Health Science and Technology Institute, Faridabad, India
| | - Sudhanshu Vrati
- Translational Health Science and Technology Institute, Faridabad, India.,Regional Center for Biotechnology, Faridabad, India
| | | | - Arup Banerjee
- Translational Health Science and Technology Institute, Faridabad, India.,Regional Center for Biotechnology, Faridabad, India
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Regulation of TLR signaling pathways by microRNAs: implications in inflammatory diseases. Cent Eur J Immunol 2018; 43:482-489. [PMID: 30799997 PMCID: PMC6384427 DOI: 10.5114/ceji.2018.81351] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 11/13/2017] [Indexed: 12/19/2022] Open
Abstract
The control of the immune response during the development of some diseases is crucial for the maintenance or restoration of homeostasis. Several mechanisms can initiate inflammation, one of which is the activation of toll-like receptors (TLRs), necessary to initiate the immune response to eliminate an infection. However, inappropriate activation can compromise immunological homeostasis, leading to pathologies such as autoimmune diseases, chronic inflammation, and even cancer. Regulatory mechanisms that intervene in the initiation or modulation of inflammation include microRNAs (miRNAs), which have emerged as key post-transcriptional regulators of proteins involved in distinct cellular processes, such as regulation of the immune response. The focus of this review is on the diverse roles of miRNAs in the regulation of TLR-signaling pathways by targeting multiple molecules, including TLRs, the signaling proteins and cytokines induced by TLRs. It will also address the relationships of these molecules with some diseases that involve inflammation such as rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), cancer, as well as bacterial or viral infections.
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37
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Biersack B. Relations between approved platinum drugs and non-coding RNAs in mesothelioma. Noncoding RNA Res 2018; 3:161-173. [PMID: 30809599 PMCID: PMC6260483 DOI: 10.1016/j.ncrna.2018.08.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 08/29/2018] [Indexed: 12/23/2022] Open
Abstract
Malignant mesothelioma diseases feature an increasing risk due to their severe forms and their association with asbestos exposure. Platinum(II) complexes such as cisplatin and carboplatin are clinically approved for the therapy of mesothelioma often in combination with antimetabolites such as pemetrexed or gemcitabine. It was observed that pathogenic properties of mesothelioma cells and the response of mesothelioma tumors towards platinum-based drugs are strongly influenced by non-coding RNAs, in particular, by small microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). These non-coding RNAs controlled drug sensitivity and the development of tumor resistance towards platinum drugs. An overview of the interactions between platinum drugs and non-coding RNAs is given and the influence of non-coding RNAs on platinum drug efficacy in mesothelioma is discussed. Suitable non-coding RNA-modulating agents with potentially beneficial effects on cisplatin treatment of mesothelioma diseases are mentioned. The understanding of mesothelioma diseases concerning the interactions of non-coding RNAs and platinum drugs will optimize existing therapy schemes and pave the way to new treatment options in future.
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Key Words
- ABC, ATP-binding cassette
- AKBA, 3-acetyl-11-keto-β-boswellic acid
- AKI, acute kidney injury
- Anticancer drugs
- Bcl-2, B-cell lymphoma 2
- CAF, cancer-associated fibroblast
- CBDCA, cyclobutane-1,1-dicarboxylate
- Carboplatin
- Cisplatin
- DADS, diallyl sulfide
- DHA, docosahexaenoic acid
- DIM, 3,3′-diindolylmethane
- DMPM, diffuse malignant peritoneal mesothelioma
- EGCG, epigallocatechin-3-gallate
- EMT, epithelial-mesenchymal transition
- HOTAIR, HOX transcript antisense RNA
- I3C, indole-3-carbinol
- Long non-coding RNA
- MALAT1, metastasis-associated lung adenocarcinoma transcript 1
- MPM, malignant pleural mesothelioma
- MRP1, multidrug resistance protein 1
- Mesothelioma
- MicroRNA
- NSCLC, non-small cell lung cancer
- NaB, sodium butyrate
- PDCD4, programmed cell death 4
- PEG, polyethylene glycole
- PEITC, phenethylisothiocyanate
- PTEN, phosphatase and tensin homolog
- RA, retinoic acid
- SAHA, suberoylanilide hydroxamic acid
- SFN, sulforaphane
- TNBC, triple-negative breast cancer
- TSA, trichostatin A
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38
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Budhwar S, Verma P, Verma R, Rai S, Singh K. The Yin and Yang of Myeloid Derived Suppressor Cells. Front Immunol 2018; 9:2776. [PMID: 30555467 PMCID: PMC6280921 DOI: 10.3389/fimmu.2018.02776] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 11/12/2018] [Indexed: 02/06/2023] Open
Abstract
In recent years, most of our knowledge about myeloid derived suppressor cells (MDSCs) has come from cancer studies, which depicts Yin side of MDSCs. In cancer, inherent immunosuppressive action of MDSCs favors tumor progression by inhibiting antitumor immune response. However, recently Yang side of MDSCs has also been worked out and suggests the role in maintenance of homeostasis during non-cancer situations like pregnancy, obesity, diabetes, and autoimmune disorders. Continued work in this area has armored the biological importance of these cells as master regulators of immune system and prompted scientists all over the world to look from a different perspective. Therefore, explicating Yin and Yang arms of MDSCs is obligatory to use it as a double edged sword in a much smarter way. This review is an attempt toward presenting a synergistic coalition of all the facts and controversies that exist in understanding MDSCs, bring them on the same platform and approach their "Yin and Yang" nature in a more comprehensive and coherent manner.
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Affiliation(s)
- Snehil Budhwar
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Priyanka Verma
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Rachna Verma
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Sangeeta Rai
- Department of Obstetrics and Gynecology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Kiran Singh
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
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Espín-Pérez A, Krauskopf J, Chadeau-Hyam M, van Veldhoven K, Chung F, Cullinan P, Piepers J, van Herwijnen M, Kubesch N, Carrasco-Turigas G, Nieuwenhuijsen M, Vineis P, Kleinjans JCS, de Kok TMCM. Short-term transcriptome and microRNAs responses to exposure to different air pollutants in two population studies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 242:182-190. [PMID: 29980036 DOI: 10.1016/j.envpol.2018.06.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 06/17/2018] [Accepted: 06/17/2018] [Indexed: 05/18/2023]
Abstract
Diesel vehicle emissions are the major source of genotoxic compounds in ambient air from urban areas. These pollutants are linked to risks of cardiovascular diseases, lung cancer, respiratory infections and adverse neurological effects. Biological events associated with exposure to some air pollutants are widely unknown but applying omics techniques may help to identify the molecular processes that link exposure to disease risk. Most data on health risks are related to long-term exposure, so the aim of this study is to investigate the impact of short-term exposure (two hours) to air pollutants on the blood transcriptome and microRNA expression levels. We analyzed transcriptomics and microRNA expression using microarray technology on blood samples from volunteers participating in studies in London, the Oxford Street cohort, and, in Barcelona, the TAPAS cohort. Personal exposure levels measurements of particulate matter (PM10, PM2.5), ultrafine particles (UFPC), nitrogen oxides (NO2, NO and NOx), black carbon (BC) and carbon oxides (CO and CO2) were registered for each volunteer. Associations between air pollutant levels and gene/microRNA expression were evaluated using multivariate normal models (MVN). MVN-models identified compound-specific expression of blood cell genes and microRNAs associated with air pollution despite the low exposure levels, the short exposure periods and the relatively small-sized cohorts. Hsa-miR-197-3p, hsa-miR-29a-3p, hsa-miR-15a-5p, hsa-miR-16-5p and hsa-miR-92a-3p are found significantly expressed in association with exposures. These microRNAs target also relevant transcripts, indicating their potential relevance in the research of omics-biomarkers responding to air pollution. Furthermore, these microRNAs are also known to be associated with diseases previously linked to air pollution exposure including several cancers such lung cancer and Alzheimer's disease. In conclusion, we identified in this study promising compound-specific mRNA and microRNA biomarkers after two hours of exposure to low levels of air pollutants during two hours that suggest increased cancer risks.
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Affiliation(s)
- Almudena Espín-Pérez
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands.
| | - Julian Krauskopf
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Marc Chadeau-Hyam
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Karin van Veldhoven
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Fan Chung
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Paul Cullinan
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Jolanda Piepers
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Marcel van Herwijnen
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Nadine Kubesch
- Centre for Epidemiology and Screening, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Paolo Vineis
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Jos C S Kleinjans
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Theo M C M de Kok
- Department of Toxicogenomics, GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
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40
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Yang X, Tan Y, Wang P, Zhang H, Zhao M, Zhao X, Wang K. PML-RARα interferes with erythropoiesis by repressing LMO2 in acute promyelocytic leukaemia. J Cell Mol Med 2018; 22:6275-6284. [PMID: 30320491 PMCID: PMC6237603 DOI: 10.1111/jcmm.13917] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 07/06/2018] [Accepted: 08/27/2018] [Indexed: 12/21/2022] Open
Abstract
The PML‐RARα fusion gene, generated by the t(15;17) chromosome translocation, is regarded as the initiating factor of acute promyelocytic leukaemia (APL). In addition to the well‐known effects on blocking myeloid differentiation at the promyelocytic stage, promyelocytic leukaemia‐retinoic acid receptor α (PML‐RARα) has also been reported to interfere with multiple differentiation processes, including erythroid differentiation. However, the detailed molecular mechanism by which PML‐RARα impairs erythropoiesis has not yet been fully addressed. By chromatin immunoprecipitation‐PCR assay, we found that PML‐RARα bound to the distal promoter region of LMO2 (LIM‐only protein 2), a critical erythroid‐specific transcription factor. Luciferase reporter assays and qRT‐PCR results demonstrated that PML‐RARα down‐regulated the expression of the LMO2 distal transcript through transrepressing its promoter activity. Analysis of gene expression profiling data from large cohorts of acute myeloid leukaemia (AML) patients confirmed that LMO2 expressed at a markedly lower level in APL patients in comparison to non‐APL AML patients. Further flow cytometry analysis demonstrated that PML‐RARα inhibited erythropoietin‐induced erythroid differentiation by down‐regulating LMO2 expression. Our findings reveal a previously unidentified mechanism, by which PML‐RARα interferes with erythropoiesis through directly targeting and transrepressing LMO2 expression in the development of APL.
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Affiliation(s)
- Xianwen Yang
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yun Tan
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ping Wang
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hui Zhang
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ming Zhao
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xujie Zhao
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kankan Wang
- State Key Laboratory of Medical Genomics and Shanghai Institute of Hematology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Sino-French Research Center for Life Sciences and Genomics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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41
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High-throughput chemical screening to discover new modulators of microRNA expression in living cells by using graphene-based biosensor. Sci Rep 2018; 8:11413. [PMID: 30061704 PMCID: PMC6065314 DOI: 10.1038/s41598-018-29633-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 07/16/2018] [Indexed: 12/30/2022] Open
Abstract
MicroRNAs (miRNAs) are important regulatory RNAs that control gene expression in various biological processes. Therefore, control over the disease-related miRNA expression is important both for basic research and for a new class of therapeutic modality to treat serious diseases such as cancer. Here, we present a high-throughput screening strategy to identify small molecules that modulate miRNA expression in living cells. The screen enables simultaneous monitoring of the phenotypic cellular changes associated with the miRNA expression by measuring quantitative fluorescent signals corresponding to target miRNA level in living cells based on a novel biosensor composed of peptide nucleic acid and nano-sized graphene oxide. In this study, the biosensor based cellular screening of 967 compounds (including FDA-approved drugs, enzyme inhibitors, agonists, and antagonists) in cells identified four different classes of small molecules consisting of (i) 70 compounds that suppress both miRNA-21 (miR-21) expression and cell proliferation, (ii) 65 compounds that enhance miR-21 expression and reduce cell proliferation, (iii) 2 compounds that suppress miR-21 expression and increase cell proliferation, and (iv) 21 compounds that enhance both miR-21 expression and cell proliferation. We further investigated the hit compounds to correlate cell morphology changes and cell migration ability with decreased expression of miR-21.
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42
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Abstract
MicroRNAs are short regulatory RNAs that posttranscriptionally modulate gene expression and thus play crucial roles in controlling cancer-onset, growth, and progression processes. miR107, a highly conserved microRNA that maps to intron 5 of the PANK1 gene, contributes to the regulation of normal and tumor biological processes. Studies have reported that miR107 has oncogenic or tumor-suppressor functions in different human tumors. The pleiotropic functions of miR107 in various cancers are achieved via its targeting different genes that are involved in tumor proliferation, invasiveness, metastasis, angiogenesis, and chemotherapy-response pathways. The carcinogenicity or cancer-suppressor effects of miR107 occur in a tissue- and cell-specific manner, and the expression level of miR107 can be affected by various factors, including epigenetic and genetic factors, treatment exposure, and daily diet. A comprehensive analysis of the current literature suggests that miR107 functions as a central element in the regulation of cancer networks and can be used as a potential diagnostic and prognostic biomarker and drug target for therapeutic intervention.
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Affiliation(s)
- Zhiying Luo
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China, .,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, Hunan, China,
| | - Yi Zheng
- Department of Pharmacy, Hunan Province Maternal and Child Health, Changsha, Hunan, China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China, .,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, Hunan, China,
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43
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Impact of dietary compounds on cancer-related gut microbiota and microRNA. Appl Microbiol Biotechnol 2018; 102:4291-4303. [PMID: 29589094 DOI: 10.1007/s00253-018-8935-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Revised: 03/12/2018] [Accepted: 03/13/2018] [Indexed: 02/07/2023]
Abstract
Cancer is one of the most common causes of death worldwide. Extensive research has been conducted on cancer; regardless, the link between cancer and diet remains undetermined. Recent studies have emphasized the importance of miRNAs in cancer-associated pathways from the perspective of dietary modulation. We highlighted the recent data on dietary modulation of gut microbiota and miRNAs related to cancer on the basis of recently published results. The targets of miRNAs are oncogenes or tumor suppressors that mediate the progression and initiation of carcinogenesis. Different miRNAs display complex expression profiles in response to dietary manipulation. Various dietary components, such as fatty acids, resveratrol, isothiocyanate, and curcumin, have been effectively used in cancer prevention and treatment. This potency is attributed to the capability of these components to alter miRNA expression, thereby modulating the vital pathways involved in metastasis, invasion, apoptosis, tumor growth, and cell proliferation.
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44
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Zhang C, Wang S, Liu Y, Yang C. Epigenetics in myeloid derived suppressor cells: a sheathed sword towards cancer. Oncotarget 2018; 7:57452-57463. [PMID: 27458169 PMCID: PMC5303001 DOI: 10.18632/oncotarget.10767] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 07/10/2016] [Indexed: 12/16/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs), a heterogeneous population of cells composed of progenitors and precursors to myeloid cells, are deemed to participate in the development of tumor-favoring immunosuppressive microenvironment. Thus, the regulatory strategies targeting MDSCs' expansion, differentiation, accumulation and function could possibly be effective “weapons” in anti-tumor immunotherapies. Epigenetic mechanisms, which involve DNA modification, covalent histone modification and RNA interference, result in the heritable down-regulation or silencing of gene expression without a change in DNA sequences. Epigenetic modification of MDSC's functional plasticity leads to the remodeling of its characteristics, therefore reframing the microenvironment towards countering tumor growth and metastasis. This review summarized the pertinent findings on the DNA methylation, covalent histone modification, microRNAs and small interfering RNAs targeting MDSC in cancer genesis, progression and metastasis. The potentials as well as possible obstacles in translating into anti-cancer therapeutics were also discussed.
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Affiliation(s)
- Chao Zhang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Shuo Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
| | - Yufeng Liu
- General Surgery, Department of Nursing, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Cheng Yang
- Department of Plastic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Shanghai, China
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45
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Lu W, Hu Y, Ma Q, Zhou L, Jiang L, Li Z, Zhao S, Xu Y, Shi W, Li S, Liu Y. miR-223 increases gallbladder cancer cell sensitivity to docetaxel by downregulating STMN1. Oncotarget 2018; 7:62364-62376. [PMID: 27577078 PMCID: PMC5308733 DOI: 10.18632/oncotarget.11634] [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: 01/25/2016] [Accepted: 08/23/2016] [Indexed: 01/23/2023] Open
Abstract
Background MicroRNAs (miRs) are involved in cancer carcinogenesis, and certain regulatory miRs could provide promising therapeutic methods for refractory malignancies, such as gallbladder cancer (GBC). miR-223 was found to play a pivotal role in enhancing chemotherapeutic effects, therefore evoking interest in the role of miR-223 in GBC. Results miR-223 was decreased in GBC tissues and cell lines, and ectopic miR- 223 expression exhibited multiple anti-tumorigenic effects in GBC cells, including decreased proliferation, migration and invasion in vitro. However, treatment with a miR-223 inhibitor increased cell viability. We determined that STMN1 was negatively correlated with and regulated by miR-223 in GBC. miR-223 increased GBC sensitivity to docetaxel in vitro and in vivo, and the induced sensitivity to docetaxel was suppressed by the restoration of STMN1 expression. Methods We examined miR-223 expression in GBC tissue and GBC cell lines using qRT-PCR. The effects of modulated miR-223 expression in GBC cells were assayed using Cell Counting Kit-8 (CCK8), flow cytometry, and wound-healing and invasion assays. Susceptibility to docetaxel was evaluated in miR-223/STMN1-modulated GBC cells and xenograft tumor models. The protein expression of relevant genes was examined by Western blotting. Conclusions These findings indicated that miR-223 might serve as an onco-suppressor that enhances susceptibility to docetaxel by downregulating STMN1 in GBC, highlighting its promising therapeutic value.
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Affiliation(s)
- Wei Lu
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunping Hu
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiang Ma
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Linzhu Zhou
- Institute of Chemistry, Shanghai Jiao Tong University, Shanghai, China
| | - Lin Jiang
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhizhen Li
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shuai Zhao
- Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuzhen Xu
- Department of Gastrointestinal Surgery, Xu Zhou Center Hospital, Affiliated to Medical College of Southeast University, Jiangsu, China
| | - Weibin Shi
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Sheng Li
- Department of Biochemistry, Dalian Medical University, Liaoning, China
| | - Yingbin Liu
- Department of General Surgery, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Institute of Biliary Tract Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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46
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Mangiavacchi A, Sorci M, Masciarelli S, Larivera S, Legnini I, Iosue I, Bozzoni I, Fazi F, Fatica A. The miR-223 host non-coding transcript linc-223 induces IRF4 expression in acute myeloid leukemia by acting as a competing endogenous RNA. Oncotarget 2018; 7:60155-60168. [PMID: 27517498 PMCID: PMC5312375 DOI: 10.18632/oncotarget.11165] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 07/26/2016] [Indexed: 11/25/2022] Open
Abstract
Alterations in genetic programs required for terminal myeloid differentiation and aberrant proliferation characterize acute myeloid leukemia (AML) cells. Here, we identify the host transcript of miR-223, linc-223, as a novel functional long non-coding RNA (lncRNA) in AML. We show that from the primary nuclear transcript, the alternative production of miR-223 and linc-223 is finely regulated during monocytic differentiation. Moreover, linc-223 expression inhibits cell cycle progression and promotes monocytic differentiation of AML cells. We also demonstrate that endogenous linc-223 localizes in the cytoplasm and acts as a competing endogenous RNA for miR-125-5p, an oncogenic microRNA in leukemia. In particular, we show that linc-223 directly binds to miR-125-5p and that its knockdown increases the repressing activity of miR-125-5p resulting in the downregulation of its target interferon regulatory factor 4 (IRF4), which it was previously shown to inhibit the oncogenic activity of miR-125-5p in vivo. Furthermore, data from primary AML samples show significant downregulation of linc-223 in different AML subtypes. Therein, these findings indicate that the newly identified lncRNA linc-223 may have an important role in myeloid differentiation and leukemogenesis, at least in part, by cross-talking with IRF4 mRNA.
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Affiliation(s)
- Arianna Mangiavacchi
- Department of Biology and Biotechnology "C. Darwiny", Sapienza University of Rome, Rome, 00185, Italy.,Present address: KAUST Environmental Epigenetics Research Program, Biological Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Melissa Sorci
- Department of Biology and Biotechnology "C. Darwiny", Sapienza University of Rome, Rome, 00185, Italy
| | - Silvia Masciarelli
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Rome, 00185, Italy
| | - Simone Larivera
- Department of Biology and Biotechnology "C. Darwiny", Sapienza University of Rome, Rome, 00185, Italy
| | - Ivano Legnini
- Department of Biology and Biotechnology "C. Darwiny", Sapienza University of Rome, Rome, 00185, Italy
| | - Ilaria Iosue
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Rome, 00185, Italy
| | - Irene Bozzoni
- Department of Biology and Biotechnology "C. Darwiny", Sapienza University of Rome, Rome, 00185, Italy.,Center for Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Rome, 00161, Italy.,Institute Pasteur Fondazione Cenci-Bolognetti, Sapienza University of Rome, Rome, 00185, Italy
| | - Francesco Fazi
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Rome, 00185, Italy
| | - Alessandro Fatica
- Department of Biology and Biotechnology "C. Darwiny", Sapienza University of Rome, Rome, 00185, Italy
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Yilmaz AF, Kaymaz B, Aktan Ç, Soyer N, Kosova B, Güneş A, Şahin F, Cömert M, Saydam G, Vural F. Determining expression of miRNAs that potentially regulate STAT5A and 5B in dasatinib-sensitive K562 cells. Turk J Biol 2017; 41:926-934. [PMID: 30814857 DOI: 10.3906/biy-1705-66] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
In the era of tyrosine kinase inhibitors, resistance still constitutes a problem in chronic myeloid leukemia (CML) patients; thus, new pathway-specific inhibitors like miRNAs have become important in the treatment of refractory patients. There are no satisfying data regarding the miRNAs and anti-miRNA treatment targeting STAT5A and 5B. In this study, we first researched the effect of dasatinib on apoptosis in the CML cell line K562. The expressions of miRNAs possibly targeting both STAT5A and 5B were then determined. The down- and upregulation of the miRNAs were compared using the ΔΔCT method. At the last stage of the study, we used a new primer probe in order to validate the results. The level of hsa-miR-940 was decreased 4.4 times and the levels of hsa-miR-527 and hsa-miR-518a-5p were increased 12.1 and 8 times, respectively, in the dasatinib-treated group when compared to the control group. We detected similar results in the validation step. As a conclusion, we determined the expression profiles of miRNAs targeting STAT5A and 5B that had an important role in the pathogenesis of CML. The data obtained could lead to determining new therapeutic targets for CML patients.
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Affiliation(s)
- Asu Fergün Yilmaz
- Department of Hematology, İzmir Kâtip Çelebi University Atatürk Training and Research Hospital , İzmir , Turkey
| | - Burçin Kaymaz
- Department of Medical Biology, Ege University Hospital , İzmir , Turkey
| | - Çağdaş Aktan
- Department of Medical Biology, School of Medicine, Beykent University , İstanbul , Turkey
| | - Nur Soyer
- Department of Hematology, Internal Medicine, Ege University Hospital , İzmir , Turkey
| | - Buket Kosova
- Department of Medical Biology, Ege University Hospital , İzmir , Turkey
| | - Ajda Güneş
- Department of Hematology, Sivas Numune Hospital , Sivas , Turkey
| | - Fahri Şahin
- Department of Hematology, Internal Medicine, Ege University Hospital , İzmir , Turkey
| | - Melda Cömert
- Department of Hematology, Internal Medicine, İnönü University Hospital , Malatya , Turkey
| | - Güray Saydam
- Department of Hematology, Internal Medicine, Ege University Hospital , İzmir , Turkey
| | - Filiz Vural
- Department of Hematology, Internal Medicine, Ege University Hospital , İzmir , Turkey
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48
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High expression of RUNX1 is associated with poorer outcomes in cytogenetically normal acute myeloid leukemia. Oncotarget 2017; 7:15828-39. [PMID: 26910834 PMCID: PMC4941280 DOI: 10.18632/oncotarget.7489] [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: 10/15/2015] [Accepted: 01/24/2016] [Indexed: 12/13/2022] Open
Abstract
Depending on its expression level, RUNX1 can act as a tumor promoter or suppressor in hematological malignancies. The clinical impact of RUNX1 expression in cytogenetically normal acute myeloid leukemia (CN-AML) remained unknown, however. We evaluated the prognostic significance of RUNX1 expression using several public microarray datasets. In the testing group (n = 157), high RUNX1 expression (RUNX1high) was associated with poorer overall survival (OS; P = 0.0025) and event-free survival (EFS; P = 0.0025) than low RUNX1 expression (RUNX1low). In addition, the prognostic significance of RUNX1 was confirmed using European Leukemia Net (ELN) genetic categories and multivariable analysis, which was further validated using a second independent CN-AML cohort (n = 162, OS; P = 0.03953). To better understand the mechanisms of RUNX1, we investigated genome-wide gene/microRNAs expression signatures and cell signaling pathways associated with RUNX1 expression status. Several known oncogenes/oncogenic microRNAs and cell signaling pathways were all up-regulated, while some anti-oncogenes and molecules of immune activation were down-regulated in RUNX1high CN-AML patients. These findings suggest RUNX1high is a prognostic biomarker of unfavorable outcome in CN-AML, which is supported by the distinctive gene/microRNA signatures and cell signaling pathways.
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49
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Lee J, Kim CJ, Kim JS, Lee DC, Ahn S, Yoon BH. Increased miR-223 expression in foetal organs is a signature of acute chorioamnionitis with systemic consequences. J Cell Mol Med 2017; 22:1179-1189. [PMID: 29083107 PMCID: PMC5783880 DOI: 10.1111/jcmm.13377] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 08/13/2017] [Indexed: 01/14/2023] Open
Abstract
Acute chorioamnionitis, frequently observed in preterm placentas, is a major risk factor for the development of infection and non-infection-related adverse perinatal outcomes. MicroRNAs play important roles in immune cell development and function as well as in the development of cancers and neurologic diseases. We sought to investigate the changes in microRNA-223 (miR-223) expression and the functional significance of the changes in miR-223 expression in foetal organs in the presence of acute chorioamnionitis. Using formalin-fixed, paraffin-embedded (FFPE) tissue samples from foetal or neonatal autopsy cases, which are the most practical option to study the changes in several organs simultaneously, miR-223 expression profiles in foetal thymus, lung and liver were compared between cases with and without acute chorioamnionitis. Total RNA was extracted from FFPE specimens and qRT-PCR was conducted. miR-223-3p expression levels in foetal thymus (2.55-fold), lung (1.93-fold) and liver (1.70-fold) were significantly higher in cases with acute chorioamnionitis than in those without. Transfection of pre-miR-223-3p in Jurkat cells and luciferase assay and ribonucleoprotein immunoprecipitation followed by qRT-PCR analysis confirmed the binding of miR-223 to the 3' untranslated region (3'UTR) of forkhead box O1 (FoxO1) mRNA and the regulation of FoxO1 by miR-223. We report for the first time that foetuses with inflammation in the chorioamniotic membranes show increased expression of miR-223 in the thymus, lung and liver. Furthermore, FoxO1 is a target of miR-223. These findings suggest that post-transcriptional regulation of genes by miR-223 is a component of the foetal inflammatory response, which has systemic consequences in the foetus.
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Affiliation(s)
- JoonHo Lee
- Department of Obstetrics and Gynecology, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Yonsei University Health system, Seoul, Korea
| | - Chong Jai Kim
- Department of Pathology, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung-Sun Kim
- Department of Pathology, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Deug-Chan Lee
- Department of Biomedical Technology, Kangwon National University College of Biomedical Science, Chuncheon, Korea
| | - Sejin Ahn
- Department of Biomedical Technology, Kangwon National University College of Biomedical Science, Chuncheon, Korea
| | - Bo Hyun Yoon
- Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
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50
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Schläfli AM, Isakson P, Garattini E, Simonsen A, Tschan MP. The autophagy scaffold protein ALFY is critical for the granulocytic differentiation of AML cells. Sci Rep 2017; 7:12980. [PMID: 29021535 PMCID: PMC5636880 DOI: 10.1038/s41598-017-12734-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 09/13/2017] [Indexed: 01/12/2023] Open
Abstract
Acute myeloid leukemia (AML) is a malignancy of myeloid progenitor cells that are blocked in differentiation. Acute promyelocytic leukemia (APL) is a rare form of AML, which generally presents with a t(15;17) translocation causing expression of the fusion protein PML-RARA. Pharmacological doses of all-trans retinoic acid (ATRA) induce granulocytic differentiation of APL cells leading to cure rates of >80% if combined with conventional chemotherapy. Autophagy is a lysosomal degradation pathway for the removal of cytoplasmic content and recycling of macromolecules. ATRA induces autophagy in ATRA-sensitive AML and APL cells and autophagy inhibition attenuates ATRA-triggered differentiation. In this study, we aimed at identifying if the autophagy-linked FYVE-domain containing protein (ALFY/WDFY3) is involved in autophagic degradation of protein aggregates contributes to ATRA therapy-induced autophagy. We found that ALFY mRNA levels increase significantly during the course of ATRA-induced differentiation of APL and AML cell lines. Importantly ALFY depletion impairs ATRA-triggered granulocytic differentiation of these cells. In agreement with its function in aggrephagy, knockdown of ALFY results in reduced ATRA-induced proteolysis. Our data further suggest that PML-RARα is an autophagy substrate degraded with the help of ALFY. In summary, we present a crucial role for ALFY in retinoid triggered maturation of AML cells.
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Affiliation(s)
- Anna M Schläfli
- Division of Experimental Pathology, Institute of Pathology, University of Bern, Bern, Switzerland.,Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Pauline Isakson
- Clinical immunology & transfusion medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - E Garattini
- Laboratory of Molecular Biology, Istituto di Ricerche Farmacologiche 'Mario Negri', Milano, Italy
| | - Anne Simonsen
- Department of Molecular Medicine, Institute for Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Mario P Tschan
- Division of Experimental Pathology, Institute of Pathology, University of Bern, Bern, Switzerland. .,Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland.
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