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Tsotridou E, Georgiou E, Tragiannidis A, Avgeros C, Tzimagiorgis G, Lambrou M, Papakonstantinou E, Galli-Tsinopoulou A, Hatzipantelis E. miRNAs as predictive biomarkers of response to treatment in pediatric patients with acute lymphoblastic leukemia. Oncol Lett 2024; 27:71. [PMID: 38192661 PMCID: PMC10773203 DOI: 10.3892/ol.2023.14204] [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: 07/11/2023] [Accepted: 12/06/2023] [Indexed: 01/10/2024] Open
Abstract
MicroRNAs (miRNAs/miRs) are promising prognostic biomarkers in pediatric acute lymphoblastic leukemia (ALL). The present study aimed to identify miRNAs that could serve as prognostic biomarkers or as novel therapeutic targets in ALL. The expression levels of 84 miRNAs were assessed in the bone marrow aspirates of 10 pediatric patients with newly diagnosed ALL at diagnosis and on day 33 of induction of the ALL Intercontinental Berlin-Frankfurt-Münster 2009 protocol, and associations with established prognostic factors were evaluated. The levels at diagnosis of 25 miRNAs were associated with ≥2 prognostic factors. Higher expression levels of let-7c-5p, miR-106b-5p, miR-26a-5p, miR-155-5p, miR-191-5p, miR-30b-5p and miR-31-5p were significantly associated with a good prednisone response. The expression levels of miR-125b-5p, miR-150-5p and miR-99a-5p were significantly higher in standard- or intermediate-risk patients compared with those in high-risk patients (P=0.017, P=0.033 and P=0.017, respectively), as well as in those with a complete response at the end of induction (P=0.044 for all three miRNAs). The change in expression levels between diagnosis and the end of induction differed significantly between risk groups for three miRNAs: miR-206, miR-210 and miR-99a (P=0.033, P=0.047 and P=0.008, respectively), with the post induction levels of miR-206 increased in high-risk patients, whilst miR-210 and miR-99a levels were increased in intermediate/standard risk patients. Therefore, miRNAs that could be integrated into the risk stratification of pediatric ALL after further evaluation in larger patient cohorts were identified.
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Affiliation(s)
- Eleni Tsotridou
- Children and Adolescent Hematology-Oncology Unit, 2nd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki AHEPA University Hospital, Thessaloniki 546 36, Greece
| | - Elisavet Georgiou
- Laboratory of Biological Chemistry, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 541 24, Greece
| | - Athanasios Tragiannidis
- Children and Adolescent Hematology-Oncology Unit, 2nd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki AHEPA University Hospital, Thessaloniki 546 36, Greece
| | - Chrysostomos Avgeros
- Laboratory of Biological Chemistry, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 541 24, Greece
| | - Georgios Tzimagiorgis
- Laboratory of Biological Chemistry, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki 541 24, Greece
| | - Maria Lambrou
- Department of Pediatric Hematology and Oncology, Hippokration General Hospital, Thessaloniki 546 42, Greece
| | - Eugenia Papakonstantinou
- Department of Pediatric Hematology and Oncology, Hippokration General Hospital, Thessaloniki 546 42, Greece
| | - Assimina Galli-Tsinopoulou
- Children and Adolescent Hematology-Oncology Unit, 2nd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki AHEPA University Hospital, Thessaloniki 546 36, Greece
| | - Emmanouel Hatzipantelis
- Children and Adolescent Hematology-Oncology Unit, 2nd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki AHEPA University Hospital, Thessaloniki 546 36, Greece
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Akyüz N, Janjetovic S, Ghandili S, Bokemeyer C, Dierlamm J. EBV and 1q Gains Affect Gene and miRNA Expression in Burkitt Lymphoma. Viruses 2023; 15:1808. [PMID: 37766215 PMCID: PMC10537407 DOI: 10.3390/v15091808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 09/29/2023] Open
Abstract
Abnormalities of the long arm of chromosome 1 (1q) represent the most frequent secondary chromosomal aberrations in Burkitt lymphoma (BL) and are observed almost exclusively in EBV-negative BL cell lines (BL-CLs). To verify chromosomal abnormalities, we cytogenetically investigated EBV-negative BL patient material, and to elucidate the 1q gain impact on gene expression, we performed qPCR with six 1q-resident genes and analyzed miRNA expression in BL-CLs. We observed 1q aberrations in the form of duplications, inverted duplications, isodicentric chromosome idic(1)(q10), and the accumulation of 1q12 breakpoints, and we assigned 1q21.2-q32 as a commonly gained region in EBV-negative BL patients. We detected MCL1, ARNT, MLLT11, PDBXIP1, and FCRL5, and 64 miRNAs, showing EBV- and 1q-gain-dependent dysregulation in BL-CLs. We observed MCL1, MLLT11, PDBXIP1, and 1q-resident miRNAs, hsa-miR-9, hsa-miR-9*, hsa-miR-92b, hsa-miR-181a, and hsa-miR-181b, showing copy-number-dependent upregulation in BL-CLs with 1q gains. MLLT11, hsa-miR-181a, hsa-miR-181b, and hsa-miR-183 showed exclusive 1q-gains-dependent and FCRL5, hsa-miR-21, hsa-miR-155, hsa-miR-155*, hsa-miR-221, and hsa-miR-222 showed exclusive EBV-dependent upregulation. We confirmed previous data, e.g., regarding the EBV dependence of hsa-miR-17-92 cluster members, and obtained detailed information considering 1q gains in EBV-negative and EBV-positive BL-CLs. Altogether, our data provide evidence for a non-random involvement of 1q gains in BL and contribute to enlightening and understanding the EBV-negative and EBV-positive BL pathogenesis.
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Affiliation(s)
| | | | | | | | - Judith Dierlamm
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, University Clinic Hamburg-Eppendorf, 20251 Hamburg, Germany; (N.A.); (S.J.); (S.G.); (C.B.)
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3
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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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4
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MiRNAs in Hematopoiesis and Acute Lymphoblastic Leukemia. Int J Mol Sci 2023; 24:ijms24065436. [PMID: 36982511 PMCID: PMC10049736 DOI: 10.3390/ijms24065436] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 03/14/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common kind of pediatric cancer. Although the cure rates in ALL have significantly increased in developed countries, still 15–20% of patients relapse, with even higher rates in developing countries. The role of non-coding RNA genes as microRNAs (miRNAs) has gained interest from researchers in regard to improving our knowledge of the molecular mechanisms underlying ALL development, as well as identifying biomarkers with clinical relevance. Despite the wide heterogeneity reveled in miRNA studies in ALL, consistent findings give us confidence that miRNAs could be useful to discriminate between leukemia linages, immunophenotypes, molecular groups, high-risk-for-relapse groups, and poor/good responders to chemotherapy. For instance, miR-125b has been associated with prognosis and chemoresistance in ALL, miR-21 has an oncogenic role in lymphoid malignancies, and the miR-181 family can act either as a oncomiR or tumor suppressor in several hematological malignancies. However, few of these studies have explored the molecular interplay between miRNAs and their targeted genes. This review aims to state the different ways in which miRNAs could be involved in ALL and their clinical implications.
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Rzepiel A, Horváth A, Kutszegi N, Gézsi A, Sági JC, Almási L, Egyed B, Lőrincz P, Visnovitz T, Kovács GT, Szalai C, Semsei ÁF, Erdélyi DJ. MiR-128-3p as blood based liquid biopsy biomarker in childhood acute lymphoblastic leukemia. Mol Cell Probes 2023; 67:101893. [PMID: 36640912 DOI: 10.1016/j.mcp.2023.101893] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 12/27/2022] [Accepted: 01/05/2023] [Indexed: 01/13/2023]
Abstract
BACKGROUND Minimal residual disease (MRD) is one of the most valuable independent prognostic factors in acute lymphoblastic leukemia (ALL). Bone marrow (BM) aspiration, however, is an invasive process. Previous studies have shown that microRNAs (miR) and extracellular vesicle (EV)-related miRs show different expression profiles at the presence of malignant cells compared to healthy controls. In our previous project, we have reported that two miRs previously described to be overexpressed in blasts were significantly decreased over the first week of the therapy of patients with ALL in the platelet free plasma fraction (PFP) of peripheral blood samples (PB). The aim of the current study was to assess the relation between day 15 flow cytometry (FC) MRD and expression of miR-128-3p and miR-222-3p miRs in exosome-enriched fraction (EEF) of PFP to evaluate whether their expression in EEF correlates with day 15 FC MRD more precisely. METHODS PB was collected from 13 patients diagnosed with pediatric pre-B ALL at 4 time points. Expression of miR-128-3p and miR-222-3p was measured by qPCR in PFP and EEF. RESULTS Positive correlation was found between changes of miR-128-3p expression in EEF or PFP by day 8 of chemotherapy and day 15 FC MRD (rEEF = 0.99, pEEF = 1.13E-9 and rPFP = 0.99, pPFP = 4.75E-9, respectively). Furthermore, the decrease of miR-128-3p in EEF by day 15 of treatment also showed a positive correlation with day 15 FC MRD (rEEF = 0.96; pEEF = 4.89E-5). CONCLUSION Our results show that circulating miRs are potential biomarkers of ALL MRD, asmiR-128-3p level both in PFP and EEF predicts day 15 FC MRD. In addition, the assessment of the EEF gave a more promising result.
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Affiliation(s)
- Andrea Rzepiel
- Dept. of Paediatrics, Semmelweis University, Budapest, Hungary
| | - Anna Horváth
- Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary; HCEMM-SE Molecular Oncohematology Research Group, 1st Dept. of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Nóra Kutszegi
- Dept. of Paediatrics, Semmelweis University, Budapest, Hungary; Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - András Gézsi
- Dept. of Measurement and Information Systems, Budapest University of Technology and Economics, Budapest, Hungary
| | - Judit C Sági
- Dept. of Paediatrics, Semmelweis University, Budapest, Hungary; Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary; Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary
| | - Laura Almási
- Dept. of Paediatrics, Semmelweis University, Budapest, Hungary
| | - Bálint Egyed
- Dept. of Paediatrics, Semmelweis University, Budapest, Hungary; Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary; HCEMM-SE Molecular Oncohematology Research Group, 1st Dept. of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Péter Lőrincz
- Dept. of Anatomy, Cell and Developmental Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Tamás Visnovitz
- Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary; Dept. of Plant Physiology and Molecular Plant Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Gábor T Kovács
- Dept. of Paediatrics, Semmelweis University, Budapest, Hungary
| | - Csaba Szalai
- Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary; Heim Pál Children Hospital, Budapest, Hungary
| | - Ágnes F Semsei
- Dept. of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary.
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6
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Ziętara KJ, Lejman J, Wojciechowska K, Lejman M. The Importance of Selected Dysregulated microRNAs in Diagnosis and Prognosis of Childhood B-Cell Precursor Acute Lymphoblastic Leukemia. Cancers (Basel) 2023; 15:428. [PMID: 36672378 PMCID: PMC9856444 DOI: 10.3390/cancers15020428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/30/2022] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
B-cell precursor acute lymphoblastic leukemia (BCP-ALL) is a frequent type of childhood hematological malignancy. The disease is classified into several subtypes according to genetic abnormalities. MicroRNAs (miRNAs) are involved in pathological processes (e.g., proliferation, apoptosis, differentiation). A miRNA is a group of short non-coding RNAs with relevant regulatory effects on gene expression achieved by suppression of the translation or degradation of messenger RNA (mRNA). These molecules act as tumor suppressors and/or oncogenes in the pathogenesis of pediatric leukemias. The characteristic features of miRNAs are their stable form and the possibility of secretion to the circulatory system. The role of miRNA in BCP-ALL pathogenesis is still emerging, but several studies have suggested using miRNA expression profiles as biomarkers for diagnosis, prognosis, and response to therapy in leukemia. The dysregulation of some miRNAs involved in childhood acute lymphoid leukemia, such as miR-155, miR-200c, miR-100, miR-181a, miR125b, and miR146a is discussed, showing their possible employment as therapeutic targets. In the current review, the capabilities of miRNAs in non-invasive diagnostics and their prognostic potential as biomarkers are presented.
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Affiliation(s)
- Karolina Joanna Ziętara
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland
| | - Jan Lejman
- Independent Public Health Care Facility of The Ministry of Internal Affairs and Administration in Lublin, 20-331 Lublin, Poland
| | - Katarzyna Wojciechowska
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-059 Lublin, Poland
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-059 Lublin, Poland
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7
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Thastrup M, Duguid A, Mirian C, Schmiegelow K, Halsey C. Central nervous system involvement in childhood acute lymphoblastic leukemia: challenges and solutions. Leukemia 2022; 36:2751-2768. [PMID: 36266325 PMCID: PMC9712093 DOI: 10.1038/s41375-022-01714-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 09/17/2022] [Accepted: 09/22/2022] [Indexed: 11/10/2022]
Abstract
Delivery of effective anti-leukemic agents to the central nervous system (CNS) is considered essential for cure of childhood acute lymphoblastic leukemia. Current CNS-directed therapy comprises systemic therapy with good CNS-penetration accompanied by repeated intrathecal treatments up to 26 times over 2-3 years. This approach prevents most CNS relapses, but is associated with significant short and long term neurotoxicity. Despite this burdensome therapy, there have been no new drugs licensed for CNS-leukemia since the 1960s, when very limited anti-leukemic agents were available and there was no mechanistic understanding of leukemia survival in the CNS. Another major barrier to improved treatment is that we cannot accurately identify children at risk of CNS relapse, or monitor response to treatment, due to a lack of sensitive biomarkers. A paradigm shift in treating the CNS is needed. The challenges are clear - we cannot measure CNS leukemic load, trials have been unable to establish the most effective CNS treatment regimens, and non-toxic approaches for relapsed, refractory, or intolerant patients are lacking. In this review we discuss these challenges and highlight research advances aiming to provide solutions. Unlocking the potential of risk-adapted non-toxic CNS-directed therapy requires; (1) discovery of robust diagnostic, prognostic and response biomarkers for CNS-leukemia, (2) identification of novel therapeutic targets combined with associated investment in drug development and early-phase trials and (3) engineering of immunotherapies to overcome the unique challenges of the CNS microenvironment. Fortunately, research into CNS-ALL is now making progress in addressing these unmet needs: biomarkers, such as CSF-flow cytometry, are now being tested in prospective trials, novel drugs are being tested in Phase I/II trials, and immunotherapies are increasingly available to patients with CNS relapses. The future is hopeful for improved management of the CNS over the next decade.
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Affiliation(s)
- Maria Thastrup
- Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Alasdair Duguid
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
| | - Christian Mirian
- Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Protein Research, Proteomics Program, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kjeld Schmiegelow
- Department of Pediatrics and Adolescent Medicine, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Christina Halsey
- Wolfson Wohl Cancer Research Centre, School of Cancer Sciences, College of Medical Veterinary and Life Sciences, University of Glasgow, Glasgow, UK.
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Leoncini P, Vitullo P, Reddel S, Tocco V, Paganelli V, Stocchi F, Mariggiò E, Massa M, Nigita G, Veneziano D, Fadda P, Scarpa M, Pigazzi M, Bertaina A, Rota R, Pagliara D, Merli P. MicroRNA profiling of paediatric AML with FLT-ITD or MLL-rearrangements: Expression signatures and in vitro modulation of miR-221-3p and miR-222-3p with BRD4/HATs inhibitors. Oncol Rep 2022; 48:221. [DOI: 10.3892/or.2022.8436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 08/10/2022] [Indexed: 11/18/2022] Open
Affiliation(s)
- Pier Leoncini
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Patrizia Vitullo
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Sofia Reddel
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Valeria Tocco
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Valeria Paganelli
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Francesca Stocchi
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Elena Mariggiò
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Michele Massa
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, I-00161 Rome, Italy
| | - Giovanni Nigita
- Department of Cancer Biology and Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210-1239, USA
| | - Dario Veneziano
- Department of Cancer Biology and Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210-1239, USA
| | - Paolo Fadda
- Genomics Shared Resource, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210-1239, USA
| | - Mario Scarpa
- Department of Biomedical Research, Urology Research laboratory, University of Bern, CH-3008 Bern, Switzerland
| | - Martina Pigazzi
- Department of Women's and Children's Health (SDB), Hematology-Oncology Laboratory, University of Padova, I-35128 Padova, Italy
| | - Alice Bertaina
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Rossella Rota
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Daria Pagliara
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
| | - Pietro Merli
- Department of Paediatric Haematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children's Hospital, IRCCS, I-00146 Rome, Italy
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Kogut S, Paculova H, Rodriguez P, Boyd J, Richman A, Palaria A, Schjerven H, Frietze S. Ikaros Regulates microRNA Networks in Acute Lymphoblastic Leukemia. EPIGENOMES 2022; 6:37. [PMID: 36278683 PMCID: PMC9624360 DOI: 10.3390/epigenomes6040037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/24/2022] Open
Abstract
The hematopoietic transcription factor Ikaros (IKZF1) regulates normal B cell development and functions as a tumor suppressor in precursor B cell acute lymphoblastic leukemia (B-ALL). MicroRNAs (miRNAs) are small regulatory RNAs that through post-transcriptional gene regulation play critical roles in intracellular processes including cell growth in cancer. However, the role of Ikaros in the regulation of miRNA expression in developing B cells is unknown. In this study, we examined the Ikaros-regulated miRNA targets using human IKZF1-mutated Ph+ B-ALL cell lines. Inducible expression of wild-type Ikaros (the Ik1 isoform) caused B-ALL growth arrest and exit from the cell cycle. Global miRNA expression analysis revealed a total of 31 miRNAs regulated by IK1, and ChIP-seq analysis showed that Ikaros bound to several Ik1-responsive miRNA genes. Examination of the prognostic significance of miRNA expression in B-ALL indicate that the IK1-regulated miRNAs hsa-miR-26b, hsa-miR-130b and hsa-miR-4649 are significantly associated with outcome in B-ALL. Our findings establish a potential regulatory circuit between the tumor-suppressor Ikaros and the oncogenic miRNA networks in IKZF1-mutated B-ALL. These results indicate that Ikaros regulates the expression of a subset of miRNAs, of which several may contribute to B-ALL growth.
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Affiliation(s)
- Sophie Kogut
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA
| | - Hana Paculova
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA
| | - Princess Rodriguez
- Department of Microbiology and Molecular Genetics, University of Vermont, Burlington, VT 05405, USA
| | - Joseph Boyd
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA
| | - Alyssa Richman
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA
- Cellular Molecular Biomedical Sciences Program, University of Vermont, Burlington, VT 05405, USA
| | - Amrita Palaria
- Department of Laboratory Medicine, University of California, San Francisco, CA 94143, USA
| | - Hilde Schjerven
- Department of Laboratory Medicine, University of California, San Francisco, CA 94143, USA
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA 94143, USA
| | - Seth Frietze
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA
- The University of Vermont Cancer Center, Burlington, VT 05405, USA
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10
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Chang YH, Jou ST, Yen CT, Lin CY, Yu CH, Chang SK, Lu MY, Chang HH, Pai CH, Hu CY, Lin KH, Lin SR, Lin DT, Chen HY, Yang YL, Lin SW, Yu SL. A microRNA signature for clinical outcomes of pediatric ALL patients treated with TPOG protocols. Am J Cancer Res 2022; 12:4764-4774. [PMID: 36381326 PMCID: PMC9641388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023] Open
Abstract
MicroRNA (miRNA) expression is reportedly associated with clinical outcomes in childhood acute lymphoblastic leukemia (ALL). Here, we aimed at investigating whether miRNA expression is associated with clinical outcomes in pediatric ALL patients treated with the Taiwan Pediatric Oncology Group (TPOG) protocols. The expression of 397 miRNAs was measured using stem-loop quantitative real-time polymerase chain reaction miRNA arrays in 60 pediatric ALL patients treated with TPOG-ALL-93 or TPOG-ALL-97 VHR (very high-risk) protocols. In order to identify prognosis-related miRNAs, original cohort was randomly split into the training and testing cohort in a 2:1 ratio, and univariate Cox proportional hazards regression was applied to identify associations between event-free survival (EFS) and expressions of miRNAs. Four prognosis-related miRNAs were selected and validated in another independent cohort composed of 103 patients treated with the TPOG-ALL-2002 protocol. Risk score, including the impact of four prognosis-related miRNAs, was calculated for each patients, followed by grouping patients into the high or low risk-score groups. Irrespective of the training, testing, or validation cohort, risk-score group was significantly associated with EFS and overall survival (OS). Risk-score group combining with clinical characteristics including the age onset (≥10 years), white blood cell counts (≥100 × 109/L), cell type (T- or B-cell), sex, and risk groups of the treatment protocols were used as predictors of EFS using the multivariate Cox proportional hazards regression. Results showed that the risk-score group was the strongest predictor. In the validation cohort, hazard ratios (HRs) of the risk-score group were 7.06 (95% CI=1.93-25.84, p-value =0.003) and 14.03 (95% CI=3.34-59.04, p-value =0.003) for EFS and OS, respectively. High risk-score group had higher risk of having poor prognosis and risk of death than that in the low risk group. Accuracy of the prediction model for 5-year EFS could reach 0.76. For the prediction of 5-year OS, accuracy was 0.75. In conclusion, a miRNA signature was associated with clinical outcomes in childhood ALL patients treated with TPOG protocols and might be a suitable prognostic biomarker.
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Affiliation(s)
- Ya-Hsuan Chang
- Institute of Statistical Science Academia SinicaTaipei, Taiwan
| | - Shiann-Tarng Jou
- Department of Pediatrics, National Taiwan University HospitalTaipei, Taiwan
- Department of Pediatrics, College of Medicine, National Taiwan UniversityTaipei, Taiwan
| | - Ching-Tzu Yen
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
| | - Chien-Yu Lin
- Institute of Statistical Science Academia SinicaTaipei, Taiwan
| | - Chih-Hsiang Yu
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
| | - Sheng-Kai Chang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
| | - Meng-Yao Lu
- Department of Pediatrics, National Taiwan University HospitalTaipei, Taiwan
- Department of Pediatrics, College of Medicine, National Taiwan UniversityTaipei, Taiwan
| | - Hsiu-Hao Chang
- Department of Pediatrics, National Taiwan University HospitalTaipei, Taiwan
- Department of Pediatrics, College of Medicine, National Taiwan UniversityTaipei, Taiwan
| | - Chen-Hsueh Pai
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
| | - Chung-Yi Hu
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
| | - Kai-Hsin Lin
- Department of Pediatrics, National Taiwan University HospitalTaipei, Taiwan
| | - Shu-Rung Lin
- Department of Bioscience Technology, College of Science, Chung-Yuan Christian UniversityTaoyuan, Taiwan
| | - Dong-Tsamn Lin
- Department of Pediatrics, National Taiwan University HospitalTaipei, Taiwan
- Department of Pediatrics, College of Medicine, National Taiwan UniversityTaipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University HospitalTaipei, Taiwan
- Department of Laboratory Medicine, College of Medicine, National Taiwan UniversityTaipei, Taiwan
| | - Hsuan-Yu Chen
- Institute of Statistical Science Academia SinicaTaipei, Taiwan
| | - Yung-Li Yang
- Department of Pediatrics, National Taiwan University HospitalTaipei, Taiwan
- Department of Pediatrics, College of Medicine, National Taiwan UniversityTaipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University HospitalTaipei, Taiwan
- Department of Laboratory Medicine, College of Medicine, National Taiwan UniversityTaipei, Taiwan
| | - Shu-Wha Lin
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University HospitalTaipei, Taiwan
| | - Sung-Liang Yu
- Department of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan UniversityTaipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University HospitalTaipei, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan UniversityTaipei, Taiwan
- Graduate Institute of Pathology, College of Medicine, National Taiwan UniversityTaipei, Taiwan
- Institute of Medical Device and Imaging, College of Medicine, National Taiwan UniversityTaipei, Taiwan
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11
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Wang Q, Yue C, Liu Q, Che X. Exploration of differentially expressed mRNAs and miRNAs for pediatric acute myeloid leukemia. Front Genet 2022; 13:865111. [PMID: 36160019 PMCID: PMC9499657 DOI: 10.3389/fgene.2022.865111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 08/08/2022] [Indexed: 11/21/2022] Open
Abstract
Background: To establish a comprehensive differential gene profile for pediatric acute myeloid leukemia patients (pAML) based on two independent databases and verify the differentially expressed genes using in vitro and in vivo analyses. Methods: The mRNA and miRNA sequencing information of GSE2191 and GSE35320, clinically recruited pAML individuals, and human AML cell line (NB4 cells) were utilized in the study. Results: Compared with the control sample, pAML patients demonstrated a total of 778 differentially expressed genes, including 565 upregulated genes and 213 downregulated genes. The genes including ZC3H15, BCLAF1, PPIG, DNTTIP2, SRSF11, KTN1, UBE3A, PRPF40A, TMED5, and GNL2 were the top 10 potential hub genes. At the same time, 12 miRNAs demonstrated remarkable differential expressions in pAML individuals compared with control individuals, as five upregulated and seven downregulated miRNAs. The hsa-miR-133, hsa-miR-181, and hsa-miR-195 were significantly downregulated. Building a miRNA–mRNA regulatory network, hsa-miR-133 regulated ZC3H15, BCLAF1, SRSF11, KTN1, PRPF40A, and GNL2. Using the NB4 cell model, hsa-miR-133 treatment inhibited cell proliferation capacity, which could be attenuated by a single mRNA transfection or a combination of ZC3H15 and BCLAF1. At the same time, hsa-miR-133 mimic treatment could significantly accelerate cell apoptosis in NB4 cells, which was also ZC3H15- and BCLAF1-dependent. The concentrations of ZC3H15 and BCLAF1 were investigated in peripheral blood using the ELISA method for the clinical control and pAML samples. In pAML samples, the expression levels of ZC3H15 and BCLAF1 were significantly enhanced (p < 0.01), regardless of the classification. Conclusion: Collectively, this study hypothesized several promising candidates for pAML formation.
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Affiliation(s)
- Qing Wang
- Department of Clinical Laboratory, The General Hospital of Tianjin Medical University, Tianjin, China
| | - Chao Yue
- Department of Blood Transfusion, The Fifth Central Hospital of Tianjin, Tianjin, China
| | - Qin Liu
- Department of Clinical Laboratory, The Fifth Central Hospital of Tianjin, Tianjin, China
| | - Xuchun Che
- Department of Immunology, Tianjin Key Laboratory of Cellular and Molecular Immunology, Key Laboratory of Educational Ministry of China, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- *Correspondence: Xuchun Che,
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12
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MicroRNAs and the Diagnosis of Childhood Acute Lymphoblastic Leukemia: Systematic Review, Meta-Analysis and Re-Analysis with Novel Small RNA-Seq Tools. Cancers (Basel) 2022; 14:cancers14163976. [PMID: 36010971 PMCID: PMC9406077 DOI: 10.3390/cancers14163976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/14/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary MicroRNAs (miRNAs) have been under the spotlight for the last three decades. These non-coding RNAs seem to be dynamic regulators of mRNA stability and translation, in addition to interfering with transcription. Circulating miRNAs play a critical role in cell-to-cell interplay; therefore, they can serve as disease biomarkers. Meta-analysis of published data revealed that the CC genotype of rs4938723 in pri-miR-34b/c and the TT genotype of rs543412 in miR-100 confer protection against acute lymphoblastic leukemia (ALL) in children. Reanalysis of small RNA-seq data with novel tools identified significantly overexpressed members of the miR-128, miR-181, miR-130 and miR-17 families and significantly lower expression of miR-30, miR-24-2 and miR143~145 clusters, miR-574 and miR-618 in pediatric T-ALL cases compared with controls. Inconsistencies in methodology and study designs in most published material preclude reproducibility, and further cohort studies need to be conducted in order to empower novel tools, such as ALLSorts and RNAseqCNV. Abstract MicroRNAs (miRNAs) have been implicated in childhood acute lymphoblastic leukemia (ALL) pathogenesis. We performed a systematic review and meta-analysis of miRNA single-nucleotide polymorphisms (SNPs) in childhood ALL compared with healthy children, which revealed (i) that the CC genotype of rs4938723 in pri-miR-34b/c and the TT genotype of rs543412 in miR-100 confer protection against ALL occurrence in children; (ii) no significant association between rs2910164 genotypes in miR-146a and childhood ALL; and (iii) SNPs in DROSHA, miR-449b, miR-938, miR-3117 and miR-3689d-2 genes seem to be associated with susceptibility to B-ALL in childhood. A review of published literature on differential expression of miRNAs in children with ALL compared with controls revealed a significant upregulation of the miR-128 family, miR-130b, miR-155, miR-181 family, miR-210, miR-222, miR-363 and miR-708, along with significant downregulation of miR-143 and miR-148a, seem to have a definite role in childhood ALL development. MicroRNA signatures among childhood ALL subtypes, along with differential miRNA expression patterns between B-ALL and T-ALL cases, were scrutinized. With respect to T-ALL pediatric cases, we reanalyzed RNA-seq datasets with a robust and sensitive pipeline and confirmed the significant differential expression of hsa-miR-16-5p, hsa-miR-19b-3p, hsa-miR-92a-2-5p, hsa-miR-128-3p (ranked first), hsa-miR-130b-3p and -5p, hsa-miR-181a-5p, -2-3p and -3p, hsa-miR-181b-5p and -3p, hsa-miR-145-5p and hsa-miR-574-3p, as described in the literature, along with novel identified miRNAs.
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13
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Implication of microRNAs in Carcinogenesis with Emphasis on Hematological Malignancies and Clinical Translation. Int J Mol Sci 2022; 23:ijms23105838. [PMID: 35628648 PMCID: PMC9143361 DOI: 10.3390/ijms23105838] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/07/2022] [Accepted: 05/20/2022] [Indexed: 11/30/2022] Open
Abstract
MicroRNAs (miRNAs) are evolutionarily conserved small non-coding RNAs, that are involved in the multistep process of carcinogenesis, contributing to all established hallmarks of cancer. In this review, implications of miRNAs in hematological malignancies and their clinical utilization fields are discussed. As components of the complex regulatory network of gene expression, influenced by the tissue microenvironment and epigenetic modifiers, miRNAs are “micromanagers” of all physiological processes including the regulation of hematopoiesis and metabolic pathways. Dysregulated miRNA expression levels contribute to both the initiation and progression of acute leukemias, the metabolic reprogramming of malignantly transformed hematopoietic precursors, and to the development of chemoresistance. Since they are highly stable and can be easily quantified in body fluids and tissue specimens, miRNAs are promising biomarkers for the early detection of hematological malignancies. Besides novel opportunities for differential diagnosis, miRNAs can contribute to advanced chemoresistance prediction and prognostic stratification of acute leukemias. Synthetic oligonucleotides and delivery vehicles aim the therapeutic modulation of miRNA expression levels. However, major challenges such as efficient delivery to specific locations, differences of miRNA expression patterns between pediatric and adult hematological malignancies, and potential side effects of miRNA-based therapies should be considered.
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14
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Illarregi U, Telleria J, Bilbao‑Aldaiturriaga N, Lopez‑Lopez E, Ballesteros J, Martin‑Guerrero I, Gutierrez‑Camino A. lncRNA deregulation in childhood acute lymphoblastic leukemia: A systematic review. Int J Oncol 2022; 60:59. [DOI: 10.3892/ijo.2022.5348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 02/03/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Unai Illarregi
- Department of Genetics, Physical Anthropology and Animal Physiology, University of The Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Jaione Telleria
- Department of Genetics, Physical Anthropology and Animal Physiology, University of The Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Nerea Bilbao‑Aldaiturriaga
- Department of Genetics, Physical Anthropology and Animal Physiology, University of The Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Elixabet Lopez‑Lopez
- Department of Biochemistry and Molecular Biology, University of The Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Javier Ballesteros
- Department of Neuroscience, University of The Basque Country (UPV/EHU) and CIBERSAM, Medical School, 48940 Leioa, Spain
| | - Idoia Martin‑Guerrero
- Department of Genetics, Physical Anthropology and Animal Physiology, University of The Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Angela Gutierrez‑Camino
- Division of Hematology‑Oncology, CHU Sainte‑Justine Research Center, Montreal, QC H3T 1C5, Canada
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Olmedo-Suárez MÁ, Ramírez-Díaz I, Pérez-González A, Molina-Herrera A, Coral-García MÁ, Lobato S, Sarvari P, Barreto G, Rubio K. Epigenetic Regulation in Exposome-Induced Tumorigenesis: Emerging Roles of ncRNAs. Biomolecules 2022; 12:513. [PMID: 35454102 PMCID: PMC9032613 DOI: 10.3390/biom12040513] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 02/06/2023] Open
Abstract
Environmental factors, including pollutants and lifestyle, constitute a significant role in severe, chronic pathologies with an essential societal, economic burden. The measurement of all environmental exposures and assessing their correlation with effects on individual health is defined as the exposome, which interacts with our unique characteristics such as genetics, physiology, and epigenetics. Epigenetics investigates modifications in the expression of genes that do not depend on the underlying DNA sequence. Some studies have confirmed that environmental factors may promote disease in individuals or subsequent progeny through epigenetic alterations. Variations in the epigenetic machinery cause a spectrum of different disorders since these mechanisms are more sensitive to the environment than the genome, due to the inherent reversible nature of the epigenetic landscape. Several epigenetic mechanisms, including modifications in DNA (e.g., methylation), histones, and noncoding RNAs can change genome expression under the exogenous influence. Notably, the role of long noncoding RNAs in epigenetic processes has not been well explored in the context of exposome-induced tumorigenesis. In the present review, our scope is to provide relevant evidence indicating that epigenetic alterations mediate those detrimental effects caused by exposure to environmental toxicants, focusing mainly on a multi-step regulation by diverse noncoding RNAs subtypes.
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Affiliation(s)
- Miguel Ángel Olmedo-Suárez
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Licenciatura en Médico Cirujano, Universidad de la Salud del Estado de Puebla (USEP), Puebla 72000, Mexico
| | - Ivonne Ramírez-Díaz
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Facultad de Biotecnología, Campus Puebla, Universidad Popular Autónoma del Estado de Puebla (UPAEP), Puebla 72410, Mexico
| | - Andrea Pérez-González
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Licenciatura en Médico Cirujano, Universidad de la Salud del Estado de Puebla (USEP), Puebla 72000, Mexico
| | - Alejandro Molina-Herrera
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Licenciatura en Médico Cirujano, Universidad de la Salud del Estado de Puebla (USEP), Puebla 72000, Mexico
| | - Miguel Ángel Coral-García
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Decanato de Ciencias de la Salud, Campus Puebla, Universidad Popular Autónoma del Estado de Puebla (UPAEP), Puebla 72410, Mexico
| | - Sagrario Lobato
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Licenciatura en Médico Cirujano, Universidad de la Salud del Estado de Puebla (USEP), Puebla 72000, Mexico
| | - Pouya Sarvari
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
| | - Guillermo Barreto
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Laboratoire IMoPA, CNRS, Université de Lorraine, UMR 73635 Nancy, France
- Lung Cancer Epigenetic, Max-Planck-Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Karla Rubio
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Puebla 72160, Mexico; (M.Á.O.-S.); (I.R.-D.); (A.P.-G.); (A.M.-H.); (M.Á.C.-G.); (S.L.); (P.S.); (G.B.)
- Licenciatura en Médico Cirujano, Universidad de la Salud del Estado de Puebla (USEP), Puebla 72000, Mexico
- Laboratoire IMoPA, CNRS, Université de Lorraine, UMR 73635 Nancy, France
- Lung Cancer Epigenetic, Max-Planck-Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
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16
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Said F, Tantawy M, Sayed A, Ahmed S. Clinical Significance of MicroRNA-29a and MicroRNA-100 Gene Expression in Pediatric Acute Myeloid Leukemia. J Pediatr Hematol Oncol 2022; 44:e391-e395. [PMID: 33902066 DOI: 10.1097/mph.0000000000002168] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 02/19/2021] [Indexed: 11/26/2022]
Abstract
AIM The aim of this study was to evaluate the diagnostic and prognostic performance of miRNA-29a and miRNA-100 in pediatric acute myeloid leukemia (AML). PATIENTS AND METHODS In all, 73 children with diagnosed pediatric AML (based on standard morphologic, cytochemical, cytogenetic, immunologic, and molecular workup, and the French-American British classification) admitted to Children's Cancer Hospital Egypt (CCHE-57357), and 9 healthy age-matched and sex-matched controls were recruited for a case-control study. Gene expression levels of miRNA-29a and miRNA-100 were assessed using real-time quantitative RT-PCR. RESULTS When diagnosed, patients had a significantly higher expression of miRNA-100 as against controls (median [range]: 12.99 [0.92-851.38] vs. 0.26 [0.03-2.67], P<0.001), with a significantly lower expression of miRNA-29a (2.08 [0.02-19.72] vs. 24.95 [15.48-42.54], P<0.001). Likewise, high-risk patients according to cytogenetic stratification had significantly higher miRNA-100 expression and lower miRNA-29a expression. Both miRNA-100 and miRNA-29a performed well as diagnostic markers of pediatric AML with an area under the curve of 0.977 (95% confidence interval [95% CI: 0.943-1.0]) and 0.994 (0.982-1.0) for miRNA-100 and miRNA-29a, respectively. Both miRNA-29a (odds ratio [95% CI]: 0.160 [0.054-0.474], P=0.001) and miRNA-100 (odds ratio [95% CI]: 1.997 [1.994-2.001], P=0.047) were identified as significant predictors of treatment response. CONCLUSION The miRNA-29a and miRNA-100 expression may serve as diagnostic and prognostic markers in pediatric AML.
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Affiliation(s)
- Fadwa Said
- Departmens of Clinical Pathology
- Hematology Laboratory
| | | | - Ahmed Sayed
- Genomics Program
- Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Sonia Ahmed
- Pediatric Oncology, National Cancer Institute, Cairo University
- Pediatric Oncology Department, Children's Cancer Hospital (CCHE-57357)
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17
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Chen X, Chen Y, Zhang M, Cheng H, Mai H, Yi M, Xu H, Yuan X, Liu S, Wen F. HucMSC exosomes promoted imatinib-induced apoptosis in K562-R cells via a miR-145a-5p/USP6/GLS1 axis. Cell Death Dis 2022; 13:92. [PMID: 35091542 PMCID: PMC8799639 DOI: 10.1038/s41419-022-04531-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 12/17/2021] [Accepted: 01/13/2022] [Indexed: 01/22/2023]
Abstract
Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm with increasing incidence worldwide. Growing evidence suggests that ubiquitin-specific proteases (USPs) play a role in cancer treatment. Dysregulation of miR-146a has been found in both adult and pediatric patients with acute leukemia. Knockdown of glutaminase-1 (GLS1) resulted in inhibition of tumor growth. However, the role of miR-146a-5p/USP6/GLS1 in leukemia and chemoresistance of leukemia cells remains to be elucidated. In the current study, USP6 level was increased in bone marrow aspiration specimens of patients with CML and associated with poor prognosis. USP6 was significantly upregulated in imatinib (IM)-resistant clinical samples compared with IM-sensitive samples. USP6 overexpression significantly inhibited IM-induced apoptosis of leukemia cells. Overexpressing USP6 significantly increased GLS1 ubiquitination to decrease GLS protein. A mechanism study indicated that USP6 regulation of IM resistance of CML cells was GLS1 dependent and regulated by miR-146a-5p. Administration of human umbilical cord mesenchymal stem cell (hucMSC) exosomes promoted IM-induced cell apoptosis through miR-145a-5p/USP6. Therefore, hucMSC exosomes promoted IM-induced apoptosis of K562-R cells by suppressing GLS1 ubiquitination to increase GLS protein via miR-146a-5p and its target GLS1. The findings highlight the importance of miR-146a-5p/USP6/GLS1 signaling in chemoresistance of leukemia and provide new insights into therapeutic strategies for chemoresistant leukemia.
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Affiliation(s)
- Xiaowen Chen
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China.,Shenzhen Institute of Pediatrics, Shenzhen Children's Hospital, Shenzhen, 518038, China
| | - Yixin Chen
- Department of Oncology, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, 518020, China
| | - Min Zhang
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China.,Shenzhen Institute of Pediatrics, Shenzhen Children's Hospital, Shenzhen, 518038, China
| | - Hui Cheng
- Department of Hematology, Changhai Hospital, Naval Military Medical University, Shanghai, 200433, China
| | - Huirong Mai
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China
| | - Meng Yi
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China
| | - Huanli Xu
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China
| | - Xiuli Yuan
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China
| | - Sixi Liu
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China.
| | - Feiqiu Wen
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, 518038, China. .,Shenzhen Institute of Pediatrics, Shenzhen Children's Hospital, Shenzhen, 518038, China.
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18
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Ali MM, Mohamed RH, Sayed AA, Ahmed S, Yassin DA, El-Sayed WM. miR-370 is better than miR-375 as a non-invasive diagnostic biomarker for pediatric acute myeloid leukemia patients. Cancer Biomark 2022; 34:403-411. [PMID: 35094987 DOI: 10.3233/cbm-210360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: Acute myeloid leukemia (AML) is characterized by heterogeneity in phenotypic, genotypic, and clinical traits. miRNAs play an important role in pathogenesis and diagnosis of adult AML. Such information is not available about miRNA expression role in pediatric AML. OBJECTIVE: We aimed to investigate the expression of miR-370 and miR-375 as new diagnostic biomarkers to discriminate pediatric AML patients and to predict their roles in the disease molecular basis. METHODS: The expression of both miR-370 and miR-375 in peripheral blood (PB) of pediatric AML patients was assessed by QPCR; their impact for diagnosis was evaluated by ROC curve and their roles in pediatric AML development were predicted by bioinformatics analysis. RESULTS: The expression of miR-370 and miR-375 levels were significantly decreased in pediatric AML patients, suggesting them as tumor suppressor miRNAs as supported by bioinformatics analysis. MiR-370 showed better potential and sensitivity toscreen pediatric AML patients and more significant correlation with AML risk than miR-375. This is the first study to report the positive correlation between both miR-370 and miR-375. CONCLUSION: miR-370 level in peripheral blood can serve as a potential non-invasive diagnostic biomarker and was significantly correlated with AML risk. We strongly recommend PB miRNAs as diagnostic biomarkers for pediatric AML.
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Affiliation(s)
- Mona M. Ali
- Department of Zoology, Faculty of Science, Ain Shams University, Cairo, Egypt
- Department of Zoology, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Rania Hassan Mohamed
- Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
- Department of Zoology, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Ahmed A. Sayed
- Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
- Department of Research, Genomics program, Children’s Cancer Hospital Egypt (CCHE57357), Cairo, Egypt
| | - Sonia Ahmed
- Department of Pediatric Oncology, National Cancer Institute, Cairo University/Children’s Cancer Hospital Egypt (CCHE57357), Cairo, Egypt
| | - Dina A. Yassin
- Department of Clinical Pathology, National Cancer Institute, Cairo University/Children’s Cancer Hospital Egypt (CCHE57357), Cairo, Egypt
| | - Wael M. El-Sayed
- Department of Zoology, Faculty of Science, Ain Shams University, Cairo, Egypt
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19
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Ganesan S, Mathews V, Vyas N. Microenvironment and drug resistance in acute myeloid leukemia: Do we know enough? Int J Cancer 2021; 150:1401-1411. [PMID: 34921734 DOI: 10.1002/ijc.33908] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 12/18/2022]
Abstract
Acute myeloid leukemia (AMLs), as the name suggests, often develop suddenly and are very progressive forms of cancer. Unlike in acute promyelocytic leukemia, a subtype of AML, the outcomes in most other AMLs remain poor. This is mainly attributed to the acquired drug resistance and lack of targeted therapy. Different studies across laboratories suggest that the cellular mechanisms to impart therapy resistance are often very dynamic and should be identified in a context-specific manner. Our review highlights the progress made so far in identifying the different cellular mechanisms of mutation-independent therapy resistance in AML. It reiterates that for more effective outcomes cancer therapies should acquire a more tailored approach where the protective interactions between the cancer cells and their niches are identified and targeted.
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Affiliation(s)
- Saravanan Ganesan
- Department of Haematology, Christian Medical College, Vellore, India
| | - Vikram Mathews
- Department of Haematology, Christian Medical College, Vellore, India
| | - Neha Vyas
- Division of Molecular Medicine, St. John's Research Institute, SJNAHS, Bengaluru, India
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20
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Durmaz B, Bagca BG, Cogulu O, Susluer SY, Alpay A, Aksoylar S, Gunduz C. Antileukemic Effects of Anti-miR-146a, Anti-miR-155, Anti-miR-181a, and Prednisolone on Childhood Acute Lymphoblastic Leukemia. BIOMED RESEARCH INTERNATIONAL 2021; 2021:3207328. [PMID: 34877353 PMCID: PMC8645370 DOI: 10.1155/2021/3207328] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 10/26/2021] [Indexed: 12/13/2022]
Abstract
Prednisolone has been used frequently in the treatment of acute lymphoblastic leukemia. However, to overcome the challenges of the treatment, the development of additional therapies is of great importance. Small, non-protein-coding RNAs, namely, microRNAs (miRNAs), are critical epigenetic regulators with physiological and pathological importance. This study is aimed at determining the effects of miR-146a, miR-155, and miR-181a inhibition with their corresponding anti-miRs on both leukemic and healthy cells, individually and with prednisolone. Leukemic (SUP-B15) and healthy B-lymphocyte (NCI-BL 2171) cell lines were used in this study. A total of 12 experimental groups included individual and combinational silenced ALL-associated miRNAs (hsa-miR-155, hsa-miR-146a, and hsa-miR-181a) and their combination with prednisolone. Cytotoxicity, proliferation, cell cycle, and apoptosis analyses were performed by using WST-1, trypan blue, APC-BrdU, Annexin V, and JC-1 methods in each study group, respectively. To control the effectiveness of anti-miR transfection and prednisolone application, miRNA expression analysis was performed from all groups. Anti-miR application was effective on the viability, proliferation, cell cycle, and apoptosis of leukemia cells, and this effect was increased with prednisolone administration. In addition, this activity was found to be very low on healthy cells. In conclusion, anti-miR applications may have the potential for clinical use of adjuvant to or as an alternative to conventional therapies for childhood acute lymphoblastic leukemia.
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Affiliation(s)
- Burak Durmaz
- Ege University, Faculty of Medicine, Department of Medical Genetics, 35100, Bornova, Izmir, Turkey
| | - Bakiye Goker Bagca
- Aydin Adnan Menderes University, Faculty of Medicine, Department of Medical Biology, 09100 Aydin, Turkey
| | - Ozgur Cogulu
- Ege University, Faculty of Medicine, Department of Pediatrics, 35100, Bornova, Izmir, Turkey
| | - Sunde Yilmaz Susluer
- Ege University, Faculty of Medicine, Department of Medical Biology, 35100, Bornova, Izmir, Turkey
| | - Araz Alpay
- Ege University, Institute of Health Sciences, 35100, Bornova, Izmir, Turkey
| | - Serap Aksoylar
- Ege University, Faculty of Medicine, Department of Pediatrics, 35100, Bornova, Izmir, Turkey
| | - Cumhur Gunduz
- Ege University, Faculty of Medicine, Department of Medical Biology, 35100, Bornova, Izmir, Turkey
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21
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Chen H, Wang J, Wang H, Liang J, Dong J, Bai H, Jiang G. Advances in the application of Let-7 microRNAs in the diagnosis, treatment and prognosis of leukemia. Oncol Lett 2021; 23:1. [PMID: 34820000 PMCID: PMC8607238 DOI: 10.3892/ol.2021.13119] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 10/18/2021] [Indexed: 12/14/2022] Open
Abstract
The lethal-7 (Let-7) family of microRNAs (miRNAs) controls the process of development and differentiation, but is also related to the occurrence of tumors and a poor prognosis of patients with tumors. Thus, a more comprehensive exploration of its functions will provide further insights into these processes, and may promote the diagnosis and treatment of tumors. Leukemia is a type of progressive malignant disease, and its pathogenesis involves a variety of epigenetic factors. Amongst the several related epigenetic factors, the Let-7 miRNAs are an important family of molecules that play a crucial role in maintaining a variety of critical biological processes, including development, differentiation and proliferation. In the present study, the role of Let-7 as a tumor suppressor gene and oncogene is reviewed, and the complex regulatory functions of several Let-7 family members in different subtypes of leukemia are described. The current body of knowledge thus far indicates that Let-7 is not only a potential diagnostic and prognostic marker of leukemia, but also a potential therapeutic target for the treatment of affected patients, with particular potential when targeted by adjuvant treatments alongside traditional treatment to improve their survival rate.
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Affiliation(s)
- Hao Chen
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Jiewei Wang
- Department of Transfusion, Jinan Zhangqiu District Maternal and Child Health Care Hospital, Jinan, Shandong 250200, P.R. China
| | - Huan Wang
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Jingru Liang
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Jinhua Dong
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China
| | - Houqiao Bai
- Department of Hematology, The Affiliated Weihai Second Municipal Hospital of Qingdao University, Weihai, Shandong 264200, P.R. China
| | - Guosheng Jiang
- School of Life Science and Technology, Weifang Medical University, Weifang, Shandong 261053, P.R. China.,Institute of Immunology and Biotechnology Transformation, Binzhou Medical University, Yantai, Shandong 264000, P.R. China
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22
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Circulating miR-146a expression as a non-invasive predictive biomarker for acute lymphoblastic leukemia. Sci Rep 2021; 11:22783. [PMID: 34815474 PMCID: PMC8611079 DOI: 10.1038/s41598-021-02257-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/27/2021] [Indexed: 01/10/2023] Open
Abstract
Dysregulation of non-coding microRNAs during the course of tumor development, invasion and/or progression to the distant organs, makes them a promising candidate marker for the diagnosis of cancer and associated malignancies. This exploratory study aims at evaluating the usefulness of plasma concentration of circulating mir-146a as a non-invasive biomarker for acute lymphoblastic leukemia (ALL). Total RNA including miRNA was isolated from 110 plasma samples of patients (n = 66), healthy controls (n = 24) and follow up (n = 20) cases and reverse transcribed. Relative concentrations were assessed using real-time quantitative PCR and fold-change was calculated by 2−ΔΔCt method. Finally, relative concentrations were correlated to clinicopathological factors. Patients (n = 66) were analyzed to determine fold expression of miR-146a in plasma samples of ALL. Before chemotherapy, pediatric (n = 42) and adult (n = 24) showed overexpression of miR-146a compared with healthy controls (P < 0.0001). There was no effect of age and gender on mir-146a expression in plasma. mirR-146a expression was independent of clinical and hematological features. Moreover, miR-146a levels in plasma of paired samples (n = 20) after treatment showed significant decrease in expression (P < 0.001). Expression of plasma miR-146a may be utilized as non-invasive marker to diagnose and predict prognosis in pediatric and adult patients with ALL. Moreover predicted targets may be utilized for ALL therapy in future.
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23
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Kumari P, Sharma I, Saha SC, Srinivasan R, Minhas P. Diagnostic potential of differentially regulated microRNAs among endometriosis, endometrioid ovarian cancer, and endometrial cancer. J Cancer Res Ther 2021; 17:1003-1011. [PMID: 34528556 DOI: 10.4103/jcrt.jcrt_969_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background There is an increased risk of developing endometrioid ovarian and endometrial cancer in patients with endometriosis and there are no definitive diagnostic biomarkers available for these three associated diseases. Therefore, we evaluated the diagnostic potential of differentially expressed microRNAs (miRNAs) from the tissue samples of endometriosis, endometrioid ovarian cancer, and endometrial cancer to establish them as biomarkers for these diseases. Materials and Methods Ten samples of each, i.e., endometriosis, endometrioid ovarian cancer, endometrial cancer and control healthy endometrium were enrolled after obtaining ethical clearance. Differential expression of miR-16, miR-20a, miR-99b, miR-125a, miR-143, and miR-145 and some of their target genes, i.e., vascular endothelial growth factor (VEGF), hypoxia inducible factor 1A (HIF1A), cyclooxygenase 2 (COX2), and tumor necrosis factor (TNF) were quantified using quantitative reverse transcription polymerase chain reaction. Receiver operating characteristic (ROC) curve analysis was performed to predict the diagnostic potential. Results miR-16 and miR-20a were significantly downregulated, whereas miR-99b, miR-125a, and miR-143 were significantly upregulated in all three diseased samples. miR-145 was significantly upregulated in endometriosis and endometrioid ovarian cancer but significantly downregulated in endometrial cancer. mRNA levels of VEGF, HIF1A, COX2, and TNF were significantly increased in all three diseased samples as compared to control samples. ROC curve analysis revealed that for endometriosis, miR-99b, and miR-125a were giving highest area under curve (AUC) (0.950 and 0.733, respectively), for endometrioid carcinoma of ovary miR-143 was giving highest AUC (0.933) and for endometrioid endometrial cancer miR-16 (AUC = 0.815), miR-99b (AUC = 0.920), and miR-145 (AUC = 0.985) were found to be best predictors. Conclusion These findings suggest that these miRNAs can act as good predictors and discriminators of these three diseases and might serve as potential biomarkers for them.
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Affiliation(s)
- Priti Kumari
- Department of Zoology, Panjab University, Chandigarh, India
| | - Indu Sharma
- Department of Zoology, Panjab University, Chandigarh, India
| | - Subhas Chandra Saha
- Department of Obstetrics and Gynecology; Department of Cytology and Gynecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Radhika Srinivasan
- Department of Obstetrics and Gynecology; Department of Cytology and Gynecological Pathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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24
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O'Brien G, Cruz-Garcia L, Zyla J, Brown N, Finnon R, Polanska J, Badie C. Kras mutations and PU.1 promoter methylation are new pathways in murine radiation-induced AML. Carcinogenesis 2021; 41:1104-1112. [PMID: 31646336 PMCID: PMC7422620 DOI: 10.1093/carcin/bgz175] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/17/2019] [Accepted: 10/21/2019] [Indexed: 12/16/2022] Open
Abstract
Therapy-related and more specifically radiotherapy-associated acute myeloid leukaemia (AML) is a well-recognized potential complication of cytotoxic therapy for the treatment of a primary cancer. The CBA mouse model is used to study radiation leukaemogenesis mechanisms with Sfpi1/PU.1 deletion and point mutation already identified as driving events during AML development. To identify new pathways, we analysed 123 mouse radiation-induced AML (rAML) samples for the presence of mutations identified previously in human AML and found three genes to be mutated; Sfpi1 R235 (68%), Flt3-ITD (4%) and Kras G12 (3%), of which G12R was previously unreported. Importantly, a significant decrease in Sfpi1 gene expression is found almost exclusively in rAML samples without an Sfpi1 R235 mutation and is specifically associated with up-regulation of mir-1983 and mir-582-5p. Moreover, this down-regulation of Sfpi1 mRNA is negatively correlated with DNA methylation levels at specific CpG sites upstream of the Sfpi1 transcriptional start site. The down regulation of Sfpi1/PU.1 has also been reported in human AML cases revealing one common pathway of myeloid disruption between mouse and human AML where dysregulation of Sfpi1/PU.1 is a necessary step in AML development.
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Affiliation(s)
- Gráinne O'Brien
- Public Health England, Centre for Radiation, Chemical and Environmental Hazards, Oxfordshire, UK
| | - Lourdes Cruz-Garcia
- Public Health England, Centre for Radiation, Chemical and Environmental Hazards, Oxfordshire, UK
| | - Joanna Zyla
- Silesian University of Technology, Data Mining Division, Gliwice, Poland
| | - Natalie Brown
- Public Health England, Centre for Radiation, Chemical and Environmental Hazards, Oxfordshire, UK
| | - Rosemary Finnon
- Public Health England, Centre for Radiation, Chemical and Environmental Hazards, Oxfordshire, UK
| | - Joanna Polanska
- Silesian University of Technology, Data Mining Division, Gliwice, Poland
| | - Christophe Badie
- Public Health England, Centre for Radiation, Chemical and Environmental Hazards, Oxfordshire, UK
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25
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Tang M, Liu C, Liu D, Liu J, Liu J, Deng L. PMDFI: Predicting miRNA-Disease Associations Based on High-Order Feature Interaction. Front Genet 2021; 12:656107. [PMID: 33897768 PMCID: PMC8063614 DOI: 10.3389/fgene.2021.656107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 02/18/2021] [Indexed: 12/23/2022] Open
Abstract
MicroRNAs (miRNAs) are non-coding RNA molecules that make a significant contribution to diverse biological processes, and their mutations and dysregulations are closely related to the occurrence, development, and treatment of human diseases. Therefore, identification of potential miRNA–disease associations contributes to elucidating the pathogenesis of tumorigenesis and seeking the effective treatment method for diseases. Due to the expensive cost of traditional biological experiments of determining associations between miRNAs and diseases, increasing numbers of effective computational models are being used to compensate for this limitation. In this study, we propose a novel computational method, named PMDFI, which is an ensemble learning method to predict potential miRNA–disease associations based on high-order feature interactions. We initially use a stacked autoencoder to extract meaningful high-order features from the original similarity matrix, and then perform feature interactive learning, and finally utilize an integrated model composed of multiple random forests and logistic regression to make comprehensive predictions. The experimental results illustrate that PMDFI achieves excellent performance in predicting potential miRNA–disease associations, with the average area under the ROC curve scores of 0.9404 and 0.9415 in 5-fold and 10-fold cross-validation, respectively.
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Affiliation(s)
- Mingyan Tang
- School of Computer Science and Engineering, Central South University, Changsha, China
| | - Chenzhe Liu
- School of Computer Science and Engineering, Central South University, Changsha, China
| | - Dayun Liu
- School of Computer Science and Engineering, Central South University, Changsha, China
| | - Junyi Liu
- School of Computer Science and Engineering, Central South University, Changsha, China
| | - Jiaqi Liu
- School of Computer Science and Engineering, Central South University, Changsha, China
| | - Lei Deng
- School of Computer Science and Engineering, Central South University, Changsha, China
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26
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MiR-7 in Cancer Development. Biomedicines 2021; 9:biomedicines9030325. [PMID: 33806891 PMCID: PMC8004586 DOI: 10.3390/biomedicines9030325] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 12/17/2022] Open
Abstract
MicroRNAs (miRNAs) are short non-coding RNA involved in the regulation of specific mRNA translation. They participate in cellular signaling circuits and can act as oncogenes in tumor development, so-called oncomirs, as well as tumor suppressors. miR-7 is an ancient miRNA involved in the fine-tuning of several signaling pathways, acting mainly as tumor suppressor. Through downregulation of PI3K and MAPK pathways, its dominant role is the suppression of proliferation and survival, stimulation of apoptosis and inhibition of migration. Besides these functions, it has numerous additional roles in the differentiation process of different cell types, protection from stress and chromatin remodulation. One of the most investigated tissues is the brain, where its downregulation is linked with glioblastoma cell proliferation. Its deregulation is found also in other tumor types, such as in liver, lung and pancreas. In some types of lung and oral carcinoma, it can act as oncomir. miR-7 roles in cell fate determination and maintenance of cell homeostasis are still to be discovered, as well as the possibilities of its use as a specific biotherapeutic.
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27
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Rodriguez PD, Paculova H, Kogut S, Heath J, Schjerven H, Frietze S. Non-Coding RNA Signatures of B-Cell Acute Lymphoblastic Leukemia. Int J Mol Sci 2021; 22:ijms22052683. [PMID: 33799946 PMCID: PMC7961854 DOI: 10.3390/ijms22052683] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/01/2021] [Accepted: 03/03/2021] [Indexed: 12/15/2022] Open
Abstract
Non-coding RNAs (ncRNAs) comprise a diverse class of non-protein coding transcripts that regulate critical cellular processes associated with cancer. Advances in RNA-sequencing (RNA-Seq) have led to the characterization of non-coding RNA expression across different types of human cancers. Through comprehensive RNA-Seq profiling, a growing number of studies demonstrate that ncRNAs, including long non-coding RNA (lncRNAs) and microRNAs (miRNA), play central roles in progenitor B-cell acute lymphoblastic leukemia (B-ALL) pathogenesis. Furthermore, due to their central roles in cellular homeostasis and their potential as biomarkers, the study of ncRNAs continues to provide new insight into the molecular mechanisms of B-ALL. This article reviews the ncRNA signatures reported for all B-ALL subtypes, focusing on technological developments in transcriptome profiling and recently discovered examples of ncRNAs with biologic and therapeutic relevance in B-ALL.
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Affiliation(s)
- Princess D. Rodriguez
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA; (P.D.R.); (H.P.); (S.K.)
| | - Hana Paculova
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA; (P.D.R.); (H.P.); (S.K.)
| | - Sophie Kogut
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA; (P.D.R.); (H.P.); (S.K.)
| | - Jessica Heath
- The University of Vermont Cancer Center, University of Vermont, Burlington, VT 05405, USA;
- Department of Biochemistry, University of Vermont, Burlington, VT 05405, USA
- Department of Pediatrics, University of Vermont, Burlington, VT 05405, USA
| | - Hilde Schjerven
- Department of Laboratory Medicine, University of California, San Francisco, CA 94143, USA;
| | - Seth Frietze
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, VT 05405, USA; (P.D.R.); (H.P.); (S.K.)
- The University of Vermont Cancer Center, University of Vermont, Burlington, VT 05405, USA;
- Department of Biochemistry, University of Vermont, Burlington, VT 05405, USA
- Correspondence:
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28
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Hassan NM, Refaat LA, Ismail GN, Abdellateif M, Fadel SA, AbdelAziz RS. Diagnostic, prognostic and predictive values of miR-100 and miR-210 in pediatric acute lymphoblastic Leukemia. ACTA ACUST UNITED AC 2021; 25:405-413. [PMID: 33191875 DOI: 10.1080/16078454.2020.1843753] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND : microRNAs are playing important roles in the diagnosis and prognosis of pediatric acute lymphoblastic leukemia (ALL). METHODS Expression levels of miR-100 and miR-210 were assessed in bone marrow aspirate of 85 pediatric ALL patients compared to 12 healthy control using quantitative real-time polymerase chain reaction. Data were correlated with relevant clinico-pathological features of the patients, response to treatment, disease-free survival (DFS), and overall survival (OS). RESULTS miR-100 was significantly downregulated in ALL patients [median: 1.21, range: 0-434.3] compared to the control group [median: 8.41, range; 0-840.3, P = 0.035]. miR-210 was significantly upregulated in ALL patients [median: 6.34, range: 1.16-1088.7] compared to the control group [median: 2.57, range: 0.11-709.2, P = 0.025]. The sensitivity, specificity, and area under curve of miR-100 were (64.7%, 62.5%, and 0.642; respectively, P = 0.035) at a cut-off 2.6 and that of miR-210 were (60%, 58.3% and 0.650; respectively, P = 0.025) at a cut-off 3.5. miR-100 overexpression associated with shorter DFS and OS (P = 0.033 and 0.046; respectively). Patients with miR-100 lowexpression showed a significant incidence of late death ( P = 0.024). There was no significant association between miR-210 expression and DFS, OS, incidence of early or late death. CONCLUSION : miR-100 and miR-210 could be used as potential diagnostic markers for pediatric ALL. miR-100 is a useful prognostic and predictive biomarker for childhood ALL.
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Affiliation(s)
- Naglaa M Hassan
- Clinical Pathology Department, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Lobna A Refaat
- Clinical Pathology Department, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Ghada N Ismail
- Clinical Pathology Department, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Mona Abdellateif
- Medical Biochemistry and Molecular Biology, Cancer Biology Department, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Sayed A Fadel
- Pediatric Oncology Department, National Cancer Institute, Cairo University, Cairo, Egypt
| | - Rania S AbdelAziz
- Clinical Pathology Department, National Cancer Institute, Cairo University, Cairo, Egypt
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29
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El‐maadawy EA, Bakry RM, Moussa MM, El‐Naby S, Talaat RM. Alteration in miRNAs expression in paediatric acute lymphocyticleukaemia: Insight into patients' therapeutic response. Clin Exp Pharmacol Physiol 2021. [DOI: 10.1111/1440-1681.13386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Eman A. El‐maadawy
- Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI) University of Sadat City Sadat City Egypt
| | - Rania M. Bakry
- South Egypt Cancer Institute Assiut University Asyut Egypt
| | - Mohamed M. Moussa
- Clinical Hematology and Bone Marrow Transplantation Ain‐Shams University Cairo Egypt
| | - SobhyHasab El‐Naby
- Zoology Department Faculty of Science Menoufia University Menoufia Egypt
| | - Roba M. Talaat
- Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI) University of Sadat City Sadat City Egypt
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30
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Kim KU, Kim WH, Jeong CH, Yi DY, Min H. More than Nutrition: Therapeutic Potential of Breast Milk-Derived Exosomes in Cancer. Int J Mol Sci 2020; 21:E7327. [PMID: 33023062 PMCID: PMC7582863 DOI: 10.3390/ijms21197327] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/01/2020] [Accepted: 10/02/2020] [Indexed: 12/16/2022] Open
Abstract
Human breast milk (HBM) is an irreplaceable source of nutrition for early infant growth and development. Breast-fed children are known to have a low prevalence and reduced risk of various diseases, such as necrotizing enterocolitis, gastroenteritis, acute lymphocytic leukemia, and acute myeloid leukemia. In recent years, HBM has been found to contain a microbiome, extracellular vesicles or exosomes, and microRNAs, as well as nutritional components and non-nutritional proteins, including immunoregulatory proteins, hormones, and growth factors. Especially, the milk-derived exosomes exert various physiological and therapeutic function in cell proliferation, inflammation, immunomodulation, and cancer, which are mainly attributed to their cargo molecules such as proteins and microRNAs. The exosomal miRNAs are protected from enzymatic digestion and acidic conditions, and play a critical role in immune regulation and cancer. In addition, the milk-derived exosomes are developed as drug carriers for delivering small molecules and siRNA to tumor sites. In this review, we examined the various components of HBM and their therapeutic potential, in particular of exosomes and microRNAs, towards cancer.
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Affiliation(s)
- Ki-Uk Kim
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (K.-U.K.); (W.-H.K.); (C.H.J.)
| | - Wan-Hoon Kim
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (K.-U.K.); (W.-H.K.); (C.H.J.)
| | - Chi Hwan Jeong
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (K.-U.K.); (W.-H.K.); (C.H.J.)
| | - Dae Yong Yi
- Department of Pediatrics, Chung-Ang University College of Medicine, Seoul 06974, Korea
- Department of Pediatrics, Chung-Ang University Hospital, Seoul 06973, Korea
| | - Hyeyoung Min
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (K.-U.K.); (W.-H.K.); (C.H.J.)
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31
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Lin L, Huang Y, Zhuang W, Lin P, Ma X. miR-100 inhibits cell proliferation in mantle cell lymphoma by targeting mTOR. Exp Hematol Oncol 2020; 9:25. [PMID: 32999755 PMCID: PMC7519521 DOI: 10.1186/s40164-020-00182-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/20/2020] [Indexed: 12/27/2022] Open
Abstract
Background miR-100 is reported to be associated with cell proliferation and apoptosis. However, the function of miR-100 in mantle cell lymphoma (MCL) is unknown. The purpose of this study is to analyze the abnormal expression of miR-100 and mTOR in MCL together with their potential biological function and pathogenesis. Method Eighteen MCL tissue samples and 3 cell lines (Jeko-1, Mino, Granta-519) were investigated in this research study, while eighteen samples of proliferative lymphadenitis from patients and peripheral lymphocyte cells from healthy volunteers served as controls. The expression and alteration of miR-100 and mTOR mRNA were detected by RT-PCR. The expression and alteration of mTOR protein were explored by Western blot. LV-miR-100-up and LV-mTOR-RNAi were constructed and transfected by lentivirus transfection. Cell proliferation, cell apoptosis and the cell cycle were detected using CCK-8 and flow cytometry. Bioinformatics prediction software was used to predict the miR-100 target gene of mTOR. A double luciferase experiment was used to verify miR-100 targeting at the mTOR-3′-UTR. The interaction between miR-100 and mTOR was further studied using recovery experiments. GraphPad Prism 7 software (version 7.2) was used for statistical analysis, and a P value < 0.05 was considered statistically significant. Results We found that the expression of miR-100 mRNA in MCL tissues and cell lines was lower, while that of the mTOR protein was higher. There was a negative correlation between miR-100 and mTOR in both MCL tissues and cell lines. Promoting miR-100 and inhibiting mTOR could inhibit cell proliferation, induce cell apoptosis and block the cell cycle in the G1 phase. A double luciferase reporter assay showed that mTOR was one of the target genes of miR-100. The recovery experiment demonstrated that PV-mTOR-up partially set off the effect of LV-miR-100-up on decreasing mTOR expression, inhibiting proliferation, inducing apoptosis and blocking the cell cycle in G1 phase in both Jeko-1 and Mino cells. Conclusions Abnormal expression of miR-100 and mTOR was found in MCL, which included downregulation of miR-100 and upregulation of mTOR. The expression of mTOR is negatively correlated with miR-100. It may play an important role in MCL pathogenesis. miR-100 up-regulation can inhibit cell proliferation, promote cell apoptosis, and inhibit cell cycle in G1 phase by targeting the mTOR gene. miR-100 may potentially be an anti-mantle cell lymphoma gene.
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Affiliation(s)
- Luhui Lin
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian China
| | - Yiqun Huang
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian China
| | - Wei Zhuang
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian China
| | - Ping Lin
- Graduate School, Fujian Medical University, Fuzhou, Fujian China
| | - Xudong Ma
- Department of Hematology, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian China
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Szczepanek J. Role of microRNA dysregulation in childhood acute leukemias: Diagnostics, monitoring and therapeutics: A comprehensive review. World J Clin Oncol 2020; 11:348-369. [PMID: 32855905 PMCID: PMC7426929 DOI: 10.5306/wjco.v11.i6.348] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/18/2020] [Accepted: 05/22/2020] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are short noncoding RNAs that regulate the expression of genes by sequence-specific binding to mRNA to either promote or block its translation; they can also act as tumor suppressors (e.g., let-7b, miR-29a, miR-99, mir-100, miR-155, and miR-181) and/or oncogenes (e.g., miR-29a, miR-125b, miR-143-p3, mir-155, miR-181, miR-183, miR-196b, and miR-223) in childhood acute leukemia (AL). Differentially expressed miRNAs are important factors associated with the initiation and progression of AL. As shown in many studies, they can be used as noninvasive diagnostic and prognostic biomarkers, which are useful in monitoring early stages of AL development or during therapy (e.g., miR-125b, miR-146b, miR-181c, and miR-4786), accurate classification of different cellular or molecular AL subgroups (e.g., let-7b, miR-98, miR-100, miR-128b, and miR-223), and identification and development of new therapeutic agents (e.g., mir-10, miR-125b, miR-203, miR-210, miR-335). Specific miRNA patterns have also been described for commonly used AL therapy drugs (e.g., miR-125b and miR-223 for doxorubicin, miR-335 and miR-1208 for prednisolone, and miR-203 for imatinib), uncovering miRNAs that are associated with treatment response. In the current review, the role of miRNAs in the development, progression, and therapy monitoring of pediatric ALs will be presented and discussed.
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Affiliation(s)
- Joanna Szczepanek
- Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University, Toruń 87100, Poland
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Egyed B, Kutszegi N, Sági JC, Gézsi A, Rzepiel A, Visnovitz T, Lőrincz P, Müller J, Zombori M, Szalai C, Erdélyi DJ, Kovács GT, Semsei ÁF. MicroRNA-181a as novel liquid biopsy marker of central nervous system involvement in pediatric acute lymphoblastic leukemia. J Transl Med 2020; 18:250. [PMID: 32571344 PMCID: PMC7310470 DOI: 10.1186/s12967-020-02415-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 06/15/2020] [Indexed: 12/16/2022] Open
Abstract
Background Refractory central nervous system (CNS) involvement is among the major causes of therapy failure in childhood acute leukemia. Applying contemporary diagnostic methods, CNS disease is often underdiagnosed. To explore more sensitive and less invasive CNS status indicators, we examined microRNA (miR) expressions and extracellular vesicle (EV) characteristics. Methods In an acute lymphoblastic leukemia (ALL) discovery cohort, 47 miRs were screened using Custom TaqMan Advanced Low-Density Array gene expression cards. As a validation step, a candidate miR family was further scrutinized with TaqMan Advanced miRNA Assays on serial cerebrospinal fluid (CSF), bone marrow (BM) and peripheral blood samples with different acute leukemia subtypes. Furthermore, small EV-rich fractions were isolated from CSF and the samples were processed for immunoelectron microscopy with anti-CD63 and anti-CD81 antibodies, simultaneously. Results Regarding the discovery study, principal component analysis identified the role of miR-181-family (miR-181a-5p, miR-181b-5p, miR-181c-5p) in clustering CNS-positive (CNS+) and CNS-negative (CNS‒) CSF samples. We were able to validate miR-181a expression differences: it was about 52 times higher in CSF samples of CNS+ ALL patients compared to CNS‒ cases (n = 8 vs. n = 10, ΔFC = 52.30, p = 1.5E−4), and CNS+ precursor B cell subgroup also had ninefold higher miR-181a levels in their BM (p = 0.04). The sensitivity of CSF miR-181a measurement in ALL highly exceeded those of conventional cytospin in the initial diagnosis of CNS leukemia (90% vs. 54.5%). Pellet resulting from ultracentrifugation of CNS+ CSF samples of ALL patients showed atypical CD63−/CD81− small EVs in high density by immunoelectron microscopy. Conclusions After validating in extensive cohorts, quantification of miR-181a or a specific EV subtype might provide novel tools to monitor CNS disease course and further adjust CNS-directed therapy in pediatric ALL.
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Affiliation(s)
- Bálint Egyed
- 2nd Department of Pediatrics, Semmelweis University, 7-9 Tűzoltó Str, Budapest, 1094, Hungary.,Department of Genetics, Cell- and Immunobiology, Semmelweis University, 4 Nagyvárad Sqr, Budapest, 1089, Hungary
| | - Nóra Kutszegi
- 2nd Department of Pediatrics, Semmelweis University, 7-9 Tűzoltó Str, Budapest, 1094, Hungary
| | - Judit C Sági
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, 4 Nagyvárad Sqr, Budapest, 1089, Hungary
| | - András Gézsi
- MTA-SE Immune-Proteogenomics Extracellular Vesicle Research Group, Semmelweis University, 4 Nagyvárad Sqr, Budapest, 1089, Hungary.,Department of Measurements and Information Systems, Budapest University of Technology and Economics, 2 Magyar tudosok korutja, Budapest, 1117, Hungary
| | - Andrea Rzepiel
- 2nd Department of Pediatrics, Semmelweis University, 7-9 Tűzoltó Str, Budapest, 1094, Hungary
| | - Tamás Visnovitz
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, 4 Nagyvárad Sqr, Budapest, 1089, Hungary
| | - Péter Lőrincz
- Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, 1/c Pázmány Promenade, Budapest, 1117, Hungary
| | - Judit Müller
- 2nd Department of Pediatrics, Semmelweis University, 7-9 Tűzoltó Str, Budapest, 1094, Hungary
| | - Marianna Zombori
- Heim Pal National Pediatric Institute, 86 Üllői Str, Budapest, 1089, Hungary
| | - Csaba Szalai
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, 4 Nagyvárad Sqr, Budapest, 1089, Hungary.,Heim Pal National Pediatric Institute, 86 Üllői Str, Budapest, 1089, Hungary
| | - Dániel J Erdélyi
- 2nd Department of Pediatrics, Semmelweis University, 7-9 Tűzoltó Str, Budapest, 1094, Hungary
| | - Gábor T Kovács
- 2nd Department of Pediatrics, Semmelweis University, 7-9 Tűzoltó Str, Budapest, 1094, Hungary
| | - Ágnes F Semsei
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, 4 Nagyvárad Sqr, Budapest, 1089, Hungary.
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Amankwah EK, Devidas M, Teachey DT, Rabin KR, Brown PA. Six Candidate miRNAs Associated With Early Relapse in Pediatric B-Cell Acute Lymphoblastic Leukemia. Anticancer Res 2020; 40:3147-3153. [PMID: 32487609 DOI: 10.21873/anticanres.14296] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/14/2020] [Accepted: 04/24/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM Few studies have evaluated the role of miRNAs in pediatric acute lymphoblastic leukemia (ALL) relapse and a consensus of a clinically significant miRNA signature is yet to be identified. In this study, we evaluated miRNAs associated with pediatric B-ALL early relapse in two independent sample sets. MATERIALS AND METHODS We performed global miRNA profiling on diagnostic bone marrow specimens from six early relapse (≤3 years after diagnosis) and six age- and cytogenetics-matched prolonged remission (≥4 years) patients (first set) and an independent set of 14 early relapse and 14 matched prolonged remission specimens (second set). RESULTS Twelve and 39 top differentially expressed miRNAs were observed in the first and second sets, respectively; however, there was no overlap between the top candidates. In post-hoc analyses six miRNAs (miR-101-3p, miR-4774-5p, miR-1324, miR-631, miR-4699-5p and miR-922) among the top candidates in the second, but not the first set, were consistently upregulated in early relapse compared to remission specimens in both first (fold change=1.13-2.19, q<0.38) and second (fold change=1.48-4.78, all q<0.05) sets. Four (miR-631, mir-101-3p, miR-922 and miR-1324) of these miRNAs have been previously implicated in key functional oncogenic pathways in adult cancers. CONCLUSION This study suggests that six candidate miRNAs, not previously implicated in pediatric ALL, are associated with early relapse in pediatric B-ALL. Validation and investigation of mechanistic roles of these miRNAs in a larger cohort are warranted, so that they may be used as prognostic markers for early relapse of pediatric B-ALL.
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Affiliation(s)
- Ernest K Amankwah
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, U.S.A. .,Cancer and Blood Disorders Institute, Johns Hopkins All Children's Hospital, St. Petersburg, FL, U.S.A
| | - Meenakshi Devidas
- Children's Oncology Group Data Center, University of Florida, Gainesville, FL, U.S.A
| | - David T Teachey
- Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, U.S.A
| | - Karen R Rabin
- Texas Children's Cancer and Hematology Centers, Baylor College of Medicine, Houston, TX, U.S.A
| | - Patrick A Brown
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, U.S.A.,Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, U.S.A
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Rashed WM, Hamza MM, Matboli M, Salem SI. MicroRNA as a prognostic biomarker for survival in childhood acute lymphoblastic leukemia: a systematic review. Cancer Metastasis Rev 2020; 38:771-782. [PMID: 31807971 DOI: 10.1007/s10555-019-09826-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Recent studies suggest abnormal microRNA (miRNA) expression may have potential prognostic value in childhood acute lymphoblastic leukemia (ALL). In this systematic review, we searched different databases (PubMed, ASH, ASCO, and SIOP) for studies published from 2008 to 2018 that evaluated the prognostic impact of miRNAs in childhood ALL. We also used DIANA-miRPath v3.0 to further characterize the functional role of the significant prognostic miRNAs identified in our systematic review. Here we evaluate 15 studies with a total of 38 different miRNAs and 1545 children with B-cell ALL (B-ALL) or T-cell ALL (T-ALL) recruited over approximately 3 decades (1984-2016) with different treatment protocols and ethnicities. Out of the 15 studies examined, 14 reported 32 dysregulated miRNAs with significant prognostic impact in pediatric ALL patients. Only one Brazilian study reported no significant prognostic effect of 7 miRNAs, while the seventh miRNA (miR-100) showed prognostic significance in a Chinese study. Using DIANA-TarBase v7.0 of DIANA-miRPath v3.0, pathway enrichment analysis revealed 25 miRNAs modulated 24 molecular pathways involved in cancer development. To remove the effect of salvage therapy, 9 studies carried out multivariate cox regression analysis for both relapse-free survival and disease-free survival to develop a panel of 23 miRNAs acting as independent prognostic biomarkers. To enhance the clinical application, utility, and validity of the miRNAs discussed here, their potential prognostic value should be confirmed in larger cohort studies within different ethnicities and different ALL protocols adjusted for other contemporary validated prognostic factors in childhood ALL.
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Affiliation(s)
- Wafaa M Rashed
- Clinical Trials Unit, Clinical Research, Children's Cancer Hospital Egypt-57357 (CCHE-57357), Cairo, Egypt.
| | - Mahmoud M Hamza
- Biostatistics Unit, Clinical Research, Children's Cancer Hospital Egypt-57357 (CCHE-57357), Cairo, Egypt
| | - Marwa Matboli
- Biochemistry Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sherin I Salem
- Cytogenetics Department, Children's Cancer Hospital Egypt-57357 (CCHE-57357), Cairo, Egypt
- National Cancer Institute, Cairo University, Giza, Egypt
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Sun Y, Wang H, Luo C. MiR-100 regulates cell viability and apoptosis by targeting ATM in pediatric acute myeloid leukemia. Biochem Biophys Res Commun 2020; 522:855-861. [PMID: 31801665 DOI: 10.1016/j.bbrc.2019.11.156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 11/22/2019] [Indexed: 12/20/2022]
Abstract
Acute myeloid leukemia (AML) is the most common pediatric malignancy and a major cause of morbidity and mortality in children. miR-100 is associated with progression of various diseases including AML. The aim of this study was to explore the underlying molecule mechanisms of miR-100 involved in AML. The expressions of miR-100 and ataxia telangiectasia mutated (ATM) in pediatric AML patients and cell lines were monitored using qRT-PCR and western blot assays. MTT assay was carried to evaluate cell viability. Cell apoptosis was measured by flow cytometry. The binding sites between miR-100 and ATM were predicted by mirtarbase database. Luciferase reporter assay was used to confirm the relationship between miR-100 and ATM. miR-100 expression was highly expressed in bone marrow of AML patients and cell lines. Moreover, Knockdown of miR-100 led to the inhibition of viability and promotion of apoptosis in Kasumi-1 and MV-4-11 cells. miR-100 harbored the 3'UTR of ATM. Meanwhile, the expression of ATM was downregulated in bone marrow of AML patients and AML cell lines. Subsequently, a negative correlation between miR-100 and ATM in bone marrow of AML patients was also observed. Furthermore, ectopic expression of ATM repressed cell viability while enhanced apoptosis. Notably, loss of ATM attenuated the effect of miR-100 depletion on cell viability and apoptosis in AML cells. miR-100 participates in cell viability and apoptosis by targeting ATM in pediatric AML.
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Affiliation(s)
- Yin Sun
- Department of Pediatrics, Tengzhou Central People's Hospital, Tengzhou, 277500, Shandong, China
| | - Hongxiang Wang
- Department of Pediatrics, Tengzhou Central People's Hospital, Tengzhou, 277500, Shandong, China
| | - Chibao Luo
- Department of Pediatrics, Tengzhou Central People's Hospital, Tengzhou, 277500, Shandong, China.
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Aberuyi N, Rahgozar S, Ghodousi ES, Ghaedi K. Drug Resistance Biomarkers and Their Clinical Applications in Childhood Acute Lymphoblastic Leukemia. Front Oncol 2020; 9:1496. [PMID: 32010613 PMCID: PMC6978753 DOI: 10.3389/fonc.2019.01496] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 12/12/2019] [Indexed: 12/12/2022] Open
Abstract
Biomarkers are biological molecules found in body fluids or tissues, which can be considered as indications of a normal or abnormal process, or of a condition or disease. There are various types of biomarkers based on their application and molecular alterations. Treatment-sensitivity or drug resistance biomarkers include prognostic and predictive molecules with utmost importance in selecting appropriate treatment protocols and improving survival rates. Acute lymphoblastic leukemia (ALL) is the most prevalent hematological malignancy diagnosed in children with nearly 80% cure rate. Despite the favorable survival rates of childhood ALL (chALL), resistance to chemotherapeutic agents and, as a consequence, a dismal prognosis develops in a significant number of patients. Therefore, there are urgent needs to have robust, sensitive, and disease-specific molecular prognostic and predictive biomarkers, which could allow better risk classification and then better clinical results. In this article, we review the currently known drug resistance biomarkers, including somatic or germ line nucleic acids, epigenetic alterations, protein expressions and metabolic variations. Moreover, biomarkers with potential clinical applications are discussed.
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Affiliation(s)
- Narges Aberuyi
- Division of Cellular and Molecular Biology, Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Sciences and Technologies, University of Isfahan, Isfahan, Iran
| | - Soheila Rahgozar
- Division of Cellular and Molecular Biology, Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Sciences and Technologies, University of Isfahan, Isfahan, Iran
| | - Elaheh Sadat Ghodousi
- Division of Cellular and Molecular Biology, Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Sciences and Technologies, University of Isfahan, Isfahan, Iran
| | - Kamran Ghaedi
- Division of Cellular and Molecular Biology, Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Sciences and Technologies, University of Isfahan, Isfahan, Iran
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Conti I, Varano G, Simioni C, Laface I, Milani D, Rimondi E, Neri LM. miRNAs as Influencers of Cell-Cell Communication in Tumor Microenvironment. Cells 2020; 9:cells9010220. [PMID: 31952362 PMCID: PMC7016744 DOI: 10.3390/cells9010220] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 12/14/2022] Open
Abstract
microRNAs (miRNAs) are small noncoding RNAs that regulate gene expression at the posttranscriptional level, inducing the degradation of the target mRNA or translational repression. MiRNAs are involved in the control of a multiplicity of biological processes, and their absence or altered expression has been associated with a variety of human diseases, including cancer. Recently, extracellular miRNAs (ECmiRNAs) have been described as mediators of intercellular communication in multiple contexts, including tumor microenvironment. Cancer cells cooperate with stromal cells and elements of the extracellular matrix (ECM) to establish a comfortable niche to grow, to evade the immune system, and to expand. Within the tumor microenvironment, cells release ECmiRNAs and other factors in order to influence and hijack the physiological processes of surrounding cells, fostering tumor progression. Here, we discuss the role of miRNAs in the pathogenesis of multicomplex diseases, such as Alzheimer’s disease, obesity, and cancer, focusing on the contribution of both intracellular miRNAs, and of released ECmiRNAs in the establishment and development of cancer niche. We also review growing evidence suggesting the use of miRNAs as novel targets or potential tools for therapeutic applications.
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Affiliation(s)
- Ilaria Conti
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
| | - Gabriele Varano
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
| | - Carolina Simioni
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
| | - Ilaria Laface
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
| | - Daniela Milani
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
| | - Erika Rimondi
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
| | - Luca M. Neri
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (I.C.); (G.V.); (C.S.); (I.L.); (D.M.); (E.R.)
- LTTA—Electron Microscopy Center, University of Ferrara, 44121 Ferrara, Italy
- Correspondence: ; Tel.: +39-0532-455940
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Gutierrez-Camino A, Garcia-Obregon S, Lopez-Lopez E, Astigarraga I, Garcia-Orad A. miRNA deregulation in childhood acute lymphoblastic leukemia: a systematic review. Epigenomics 2019; 12:69-80. [PMID: 31833405 DOI: 10.2217/epi-2019-0154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Despite remarkable improvements in survival of childhood acute lymphoblastic leukemia (ALL), nonresponding or relapsing patients still represent one of the most frequent causes of death by disease in children. Accurate patient risk stratification based on genetic markers could increases survival rates. miRNAs can represent novel candidates with diagnostic, predictive and prognostic potential; however, many groups investigated their involvement with contradictory results. Aim: To clarify the role of miRNAs as biomarkers through a systematic review. Results: From a revision of 45 manuscripts, we found that miR-128 and miR-181 overexpression could represent markers for ALL diagnosis and underexpression of miR-708 and miR-99a could be markers for bad prognosis. Conclusion: These signatures could refine classification and risk stratification of patients and improve ALL outcome.
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Affiliation(s)
- Angela Gutierrez-Camino
- Department of Genetics, Physical Anthropology & Animal Physiology, University of the Basque Country, UPV/EHU, Leioa, 48940, Spain.,BioCruces Bizkaia Health Research Institute, Pediatric Oncology Group, Barakaldo, 48903, Spain.,Division of Hematology-Oncology, Research Center, Sainte-Justine University Health Center, Montreal, QC H3T 1C5, Canada
| | - Susana Garcia-Obregon
- BioCruces Bizkaia Health Research Institute, Pediatric Oncology Group, Barakaldo, 48903, Spain
| | - Elixabet Lopez-Lopez
- Department of Genetics, Physical Anthropology & Animal Physiology, University of the Basque Country, UPV/EHU, Leioa, 48940, Spain.,BioCruces Bizkaia Health Research Institute, Pediatric Oncology Group, Barakaldo, 48903, Spain
| | - Itziar Astigarraga
- BioCruces Bizkaia Health Research Institute, Pediatric Oncology Group, Barakaldo, 48903, Spain.,Department of Pediatrics, University Hospital Cruces, Barakaldo, 48903, Spain.,Department of Pediatrics, University of the Basque Country, UPV/EHU, Leioa, 48940, Spain
| | - Africa Garcia-Orad
- Department of Genetics, Physical Anthropology & Animal Physiology, University of the Basque Country, UPV/EHU, Leioa, 48940, Spain.,BioCruces Bizkaia Health Research Institute, Pediatric Oncology Group, Barakaldo, 48903, Spain
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Gado MM, Mousa NO, Badawy MA, El Taweel MA, Osman A. Assessment of the Diagnostic Potential of miR-29a-3p and miR-92a-3p as Circulatory Biomarkers in Acute Myeloid Leukemia. Asian Pac J Cancer Prev 2019; 20:3625-3633. [PMID: 31870103 PMCID: PMC7173384 DOI: 10.31557/apjcp.2019.20.12.3625] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Indexed: 02/06/2023] Open
Abstract
Background: Acute myeloid leukemia (AML) is a set of Myeloproliferative neoplasms that are identified by excessive growth of myeloid blasts and production of abnormal blood cells. AML is the most common type of acute leukemia that occurs in adults. In addition, AML progresses rapidly and is considered a fatal disease. Thus, there is an urgent need to find new targets for molecularly designed therapies. In This study, we evaluated the circulatory levels of microRNA-29a-3p (miR-29a-3p) and miR-92a-3p beside exploring the expression pattern of their target gene myeloid cell leukemia sequence1 (MCL1) to investigate the role of these molecules in AML pathophysiology and to assess their ability to diagnose AML patients. Methods: 40 adult AML patients along with 20 healthy subjects were enrolled in this study. Plasma were separated from venous blood samples, collected on EDTA, of all individuals were used to assess circulating miRNAs’ levels. In the meantime, total RNA was extracted from isolated leukocytes and was used to quantify target mRNA transcript levels. Results: Our data revealed that the circulating levels of miR-29a-3p and miR-92a-3p exhibited significant reduction in 90% and 100% of AML patients, respectively, when compared to the control group (p<0.001). On the other hand, the transcript level of the target gene of these miRNAs, MCL1, showed a sharp increase in 77.5% (p<0.001) of AML patients, along with a negative correlation with its regulatory miRNAs, miR-29a-3p and miR-92a-3p. Conclusion: Our data validates the negative regulatory role of miR-29a-3p and miR-92a-3p to the expression levels of MCL1 in peripheral blood and indicates that these miRNAs can be used as non-invasive diagnostic markers. Furthermore, our study highlights the therapeutic potential of miR-29a-3p and miR-92a-3p to target and downregulate a very important gene (MCL1), which is highly implicated in the pathogenesis of AML.
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Affiliation(s)
- Marwa M Gado
- Biotechnology/Biomolecular Chemistry program, Chemistry Department, faculty of Science, Cairo University, Giza, Egypt
| | - Nahla O Mousa
- Biotechnology/Biomolecular Chemistry program, Chemistry Department, faculty of Science, Cairo University, Giza, Egypt.,Biotechnology Program, Biology Department, The American University in Cairo, Cairo, Egypt
| | - M A Badawy
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Maha A El Taweel
- Clinical Pathology Department, National Cancer institute, Cairo university, Giza, Egypt
| | - Ahmed Osman
- 5Biochemistry Department, faculty of science, Ain Shams university, Abbasyia, Cairo, Egypt.,Biotechnology Program, Basic and Applied Sciences Institute, Egypt-Japan University of Science and Technology, Borg Al Arab, Alexandria, Egypt
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Rzepiel A, Kutszegi N, Gézsi A, Sági JC, Egyed B, Péter G, Butz H, Nyírő G, Müller J, Kovács GT, Szalai C, Semsei ÁF, Erdélyi DJ. Circulating microRNAs as minimal residual disease biomarkers in childhood acute lymphoblastic leukemia. J Transl Med 2019; 17:372. [PMID: 31727091 PMCID: PMC6854698 DOI: 10.1186/s12967-019-2114-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 10/26/2019] [Indexed: 12/21/2022] Open
Abstract
Background Treatment stratification based on bone marrow minimal residual disease (MRD) at set time points has resulted in considerably improved survival in pediatric acute lymphoblastic leukemia (ALL). Treatment response is assessed using bone marrow samples. MicroRNAs (miRs) easily traffic among fluid spaces and are more stable than most other RNA classes. We examined the role of circulating miRs as putative less invasive MRD biomarkers. Methods In an exploratory experiment, expression of 46 preselected miRs was studied in platelet-free blood plasma samples of 15 de novo, 5 relapsed ALL patients and 10 controls by Custom TaqMan Array Advanced MicroRNA Card. Based on their high expression in ALL compared to controls, and on the reduction observed along the induction therapy, four miRs were selected for further analyses: miR-128-3p, -181a-5p, -181b-5p and 222-3p. Their expression was measured by qPCR at 4 time points in 27 de novo ALL patients treated in the ALL IC-BFM 2009 study. Results The expression of all 4 miRs significantly decreased over the first week of therapy (miR-128-3p: log2 fold change − 2.86; adjusted p 3.6 × 10−7; miR-181b-5p: log2 fold change − 1.75; adjusted p 1.48 × 10−2; miR-181a-5p: log2 fold change -1.33; adjusted p 3.12 × 10−2; miR-222-3p: log2 fold change − 1.25; adjusted p 1.66 × 10−2). However, no significant further reduction in miR expression was found after the 8th day of therapy. Measured drop in expression of 2 miRs at day 8 strongly correlated with day 15 bone marrow flow cytometry MRD results (miR-128-3p: Pearson’s r = 0.88, adjusted p = 2.71 × 10−4; miR-222-3p: r = 0.81, adjusted p = 2.99 × 10−3). Conclusion In conclusion, these circulating miRs might act as biomarkers of residual leukemia. MiR-128-3p and miR-222-3p in blood predict day 15 flow cytometry MRD results 7 days earlier. Although, their sensitivity falls behind that of bone marrow flow cytometry MRD at day 15.
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Affiliation(s)
- Andrea Rzepiel
- 2nd Department of Paediatrics, Semmelweis University, Budapest, Hungary
| | - Nóra Kutszegi
- 2nd Department of Paediatrics, Semmelweis University, Budapest, Hungary.,Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - András Gézsi
- MTA-SE Immune-Proteogenomics Extracellular Vesicle Research Group, Budapest, Hungary.,Department of Measurement and Information Systems, Budapest University of Technology and Economics, Budapest, Hungary
| | - Judit C Sági
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Bálint Egyed
- 2nd Department of Paediatrics, Semmelweis University, Budapest, Hungary.,Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | | | - Henriett Butz
- Department of Laboratory Medicine, Semmelweis University, Budapest, Hungary
| | - Gábor Nyírő
- MTA-SE Molecular Medicine Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
| | - Judit Müller
- 2nd Department of Paediatrics, Semmelweis University, Budapest, Hungary
| | - Gábor T Kovács
- 2nd Department of Paediatrics, Semmelweis University, Budapest, Hungary
| | - Csaba Szalai
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary.,Heim Pál Children's Hospital, Budapest, Hungary
| | - Ágnes F Semsei
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Dániel J Erdélyi
- 2nd Department of Paediatrics, Semmelweis University, Budapest, Hungary.
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Lv N, Li C, Liu X, Qi C, Wang Z. miR-34b Alleviates High Glucose-Induced Inflammation and Apoptosis in Human HK-2 Cells via IL-6R/JAK2/STAT3 Signaling Pathway. Med Sci Monit 2019; 25:8142-8151. [PMID: 31665127 PMCID: PMC6842269 DOI: 10.12659/msm.917128] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Background It is well established that inflammation and apoptosis of renal tubular epithelial cells caused by hyperglycemia contribute to the development of diabetic nephropathy (DN). Although microRNAs (miRNAs) are known to have roles in inflammation-related disorders, the exact role of miR-34b in DN has not been defined, and the regulatory mechanism has been unclear. This study aimed to clarify the role of miR-34b in DN pathogenesis. Material/Methods Expression of miR-34b, IL-6R, and other key factors of inflammation, apoptosis (TNF-α, IL-1β, IL-6, caspase-3) in high glucose (HG)-induced HK-2 cells were measured by real-time PCR, Western blot, and flow cytometric cell apoptosis assays. We used luciferase reporter assay to detect the target of miR-34b. Moreover, the targeting gene of miR-34b and its downstream JAK2/STAT3 signaling pathway were explored. Results It was demonstrated that miR-34b overexpression inhibited apoptosis and expression levels of TNF-α, IL-1β, IL-6, and caspase-3 in HG-treated HK-2 cells. We also found that IL-6R is a direct target of miR-34b, which could rescue inflammation and apoptosis in HG-treated HK-2 cells transfected with miR-34b mimic. Furthermore, we showed that overexpression of miR-34b inhibited the IL-6R/JAK2/STAT3 signaling pathway in HG-treated HK-2 cells. Conclusions Our data suggest that overexpression of miR-34b improves inflammation and ameliorates apoptosis in HG-induced HK-2 cells via the IL-6R/JAK2/STAT3 pathway, indicating that miR-34b could be a promising therapeutic target in DN.
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Affiliation(s)
- Na Lv
- Department of Endocrinology, Dongying People's Hospital, Dongying, Shangdong, China (mainland)
| | - Chunqing Li
- Department of Endocrinology, Dongying People's Hospital, Dongying, Shangdong, China (mainland)
| | - Xin Liu
- Department of Endocrinology, Dongying People's Hospital, Dongying, Shangdong, China (mainland)
| | - Caihui Qi
- Department of Endocrinology, Dongying People's Hospital, Dongying, Shangdong, China (mainland)
| | - Zhenqing Wang
- Department of Endocrinology, Dongying People's Hospital, Dongying, Shangdong, China (mainland)
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43
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Wang L, Zhang H, Lei D. microRNA-146a Promotes Growth of Acute Leukemia Cells by Downregulating Ciliary Neurotrophic Factor Receptor and Activating JAK2/STAT3 Signaling. Yonsei Med J 2019; 60:924-934. [PMID: 31538427 PMCID: PMC6753346 DOI: 10.3349/ymj.2019.60.10.924] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/17/2019] [Accepted: 07/30/2019] [Indexed: 02/07/2023] Open
Abstract
PURPOSE Acute leukemia (AL) is classified as acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML). This study aimed to investigate the effect of miR-146a on childhood AL and its underlying molecular mechanisms. MATERIALS AND METHODS Bone marrow samples were obtained from 39 AL children and 10 non-cancer controls. The expressions of miR-146a and ciliary neurotrophic factor receptor (CNTFR) were detected by quantitative real-time polymerase chain reaction (qRT-PCR) in ALL and AML pediatric patients, as well as ALL (Jurkat) and AML (HL-60) cells. Correlations between miR-146a and clinical indicators were explored. A targeting relationship between miR-146a and CNTFR was detected by dual luciferase reporter gene assay. Cell proliferation, apoptosis, migration, and invasion of Jurkat and HL-60 cells were measured by MTT assay, flow cytometry, and transwell assay, respectively. LIF expression was detected by qRT-PCR in Jurkat and HL-60 cells. The expression of p-JAK2, JAK2, p-STAT3, and STAT3 in HL-60 cells was measured by Western blot. RESULTS miR-146a was increased in ALL and AML pediatric patients, while CNTFR was decreased. miR-146a expression was associated with immunophenotype, karyotype, fusion gene, and SIL-TAL1. CNTFR was a target gene of miR-146a. miR-146a could promote cell proliferation, migration, and invasion, as well as inhibit cell apoptosis in Jurkat and HL-60 cells by downregulating CNTFR. Meanwhile, miR-146a inhibited the expression of LIF and activated JAK2/STAT3 pathway by downregulating CNTFR. CONCLUSION miR-146a could promote the proliferation, migration, and invasion and inhibit the apoptosis of AL Jurkat and HL-60 cells by downregulating CNTFR and activating the JAK2/STAT3 pathway.
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Affiliation(s)
- Lei Wang
- Department of Pediatrics, Jinan Second Maternal and Child Health Hospital, Jinan, Shandong, China
| | - Hongyan Zhang
- Department of Pediatrics, Jinan First People's Hospital, Jinan, Shandong, China
| | - Donghong Lei
- Department of Pediatrics II, Yulin First Hospital, Suide, Shaanxi, China.
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44
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Galardi A, Colletti M, Di Paolo V, Vitullo P, Antonetti L, Russo I, Di Giannatale A. Exosomal MiRNAs in Pediatric Cancers. Int J Mol Sci 2019; 20:ijms20184600. [PMID: 31533332 PMCID: PMC6770697 DOI: 10.3390/ijms20184600] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/13/2019] [Accepted: 09/17/2019] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs) have generated great attention in oncology as they play a fundamental role in the regulation of gene expression and their aberrant expression is present in almost all types of tumors including pediatric ones. The discovery that miRNAs can be transported by exosomes, which are vesicles of 40–120 nm involved in cellular communication, that are produced by different cell types, and that are present in different biological fluids, has opened the possibility of using exosomal miRNAs as biomarkers. The possibility to diagnose and monitor the progression and response to drugs through molecules that can be easily isolated from biological fluids represents a particularly important aspect in the pediatric context where invasive techniques are often used. In recent years, the idea of liquid biopsy as well as studies on the possible role of exosomal miRNAs as biomarkers have developed greatly. In this review, we report an overview of all the evidences acquired in recent years on the identification of exosomal microRNAs with biomarker potential in pediatric cancers. We discuss the following herein: neuroblastoma, hepatoblastoma, sarcomas (osteosarcoma, Ewing’s sarcoma and rhabdoid tumors, and non-rhabdomyosarcoma soft tissue sarcoma), brain tumors, lymphomas, and leukemias.
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Affiliation(s)
- Angela Galardi
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
| | - Marta Colletti
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
| | - Virginia Di Paolo
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
| | - Patrizia Vitullo
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
| | - Loretta Antonetti
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
| | - Ida Russo
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
| | - Angela Di Giannatale
- Department of Pediatric Hematology/Oncology, IRCCS, Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy.
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Correia NC, Barata JT. MicroRNAs and their involvement in T-ALL: A brief overview. Adv Biol Regul 2019; 74:100650. [PMID: 31548132 PMCID: PMC6899521 DOI: 10.1016/j.jbior.2019.100650] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 08/30/2019] [Accepted: 09/03/2019] [Indexed: 12/19/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignancy in which the transformed clone is arrested during T-cell development. Several genetic and epigenetic events have been implicated in this transformation. MicroRNAs (miRNAs) are small, non-coding RNAs that primarily function as endogenous translational repressors of protein-coding genes. The involvement of miRNAs in the regulation of cancer progression is well-established, namely by down-regulating the expression of key oncogenes or tumor suppressors and thereby preventing or promoting tumorigenesis, respectively. Similar to other cancers, several miRNA genes have been identified and implicated in the context of T-ALL. In this review we focused on the most studied microRNAs associated with T-ALL pathogenesis.
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Affiliation(s)
- Nádia C Correia
- Division of Stem Cells and Cancer, Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), Heidelberg, Germany.
| | - João T Barata
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028, Lisbon, Portugal.
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46
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Sharifi H, Jafari Najaf Abadi MH, Razi E, Mousavi N, Morovati H, Sarvizadeh M, Taghizadeh M. MicroRNAs and response to therapy in leukemia. J Cell Biochem 2019; 120:14233-14246. [PMID: 31081139 DOI: 10.1002/jcb.28892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 03/11/2019] [Accepted: 03/22/2019] [Indexed: 12/26/2022]
Abstract
A variety of epigenetic factors involved in leukemia pathogenesis. Among various epigenetic factors, microRNAs (miRNAs) have emerged as important players, which affect a sequence of cellular and molecular signaling pathways. Leukemia is known as progressive cancer, which is related to many health problems in the world. It has been shown that the destruction of the blood-forming organs could lead to abnormal effects on the proliferation and development of leukocytes and their precursors. Despite many attempts for approved effective and powerful therapies for patients with leukemia, finding and developing new therapeutic approaches are required. One of the important aspects of leukemia therapy, identification of underlying cellular and molecular mechanisms involved in the pathogenesis of leukemia. Several miRNAs (ie, miR-103, miR-101, mit-7, let-7i, miR-424, miR-27a, and miR-29c) and play major roles in response to therapy in patients with leukemia. miRNAs exert their effects by targeting a variety of targets, which are associated with response to therapy in patients with leukemia. It seems that more understanding about the roles of miRNAs in response to therapy in patients with leukemia could contribute to better treatment of patients with leukemia. Here, for the first time, we summarized various miRNAs, which are involved in response to therapy in the treatment patients with leukemia.
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Affiliation(s)
- Hossein Sharifi
- The Advocate Center for Clinical Research, Ayatollah Yasrebi Hospital, Kashan, Iran
| | | | - Ebrahim Razi
- The Advocate Center for Clinical Research, Ayatollah Yasrebi Hospital, Kashan, Iran
| | - Nousin Mousavi
- Department of Surgery, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamid Morovati
- Department of Medical Mycology and Parasitology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mostafa Sarvizadeh
- The Advocate Center for Clinical Research, Ayatollah Yasrebi Hospital, Kashan, Iran
| | - Mohsen Taghizadeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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47
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Xue Y, Yang X, Hu S, Kang M, Chen J, Fang Y. A genetic variant in miR-100 is a protective factor of childhood acute lymphoblastic leukemia. Cancer Med 2019; 8:2553-2560. [PMID: 30848099 PMCID: PMC6536980 DOI: 10.1002/cam4.2082] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 01/26/2019] [Accepted: 02/13/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND In the past decade, miR-100, miR-146a, and miR-210 were reported to be dysregulated in childhood acute lymphoblastic leukemia (ALL). However, effects of genetic variants in these three microRNAs have not been investigated in Chinese population. METHODS In this study, we conducted a case-control study to evaluate the relationship between genetic variants in miR-100, miR-146a, and miR-210 and the risk of childhood ALL in Chinese population. Subsequently, plasma expression level of miR-100 was also detected. RESULT We found that subjects carrying mutant homozygous TT genotype of miR-100 rs543412 had a statistically significantly decreased risk of childhood ALL (adjusted odds ratio [OR] = 0.73, 95% confidence interval [CI] = 0.55-0.97, P = 0.029). This protective effect was also observed among subjects whose parents were ever drinkers (adjusted OR = 0.53, 95% CI = 0.29-0.94), or whose living house were ever painted (adjusted OR = 0.57, 95% CI = 0.34-0.94). Besides, rs543412 variant homozygous TT had a significantly protective role in patients with childhood B-ALL. Finally, we found that expression level of miR-100 in plasma of childhood ALL cases was significantly higher than that of noncancer controls. CONCLUSION Our study suggested that there was significant association between the polymorphisms in miR-100 (rs543412) and decreased susceptibility to childhood ALL.
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Affiliation(s)
- Yao Xue
- Department of Hematology and OncologyChildren’s Hospital of Nanjing Medical UniversityNanjingChina
- Key Laboratory of HematologyNanjing Medical UniversityNanjingChina
| | - Xiaoyun Yang
- Department of Hematology and OncologyChildren’s Hospital of Nanjing Medical UniversityNanjingChina
- Key Laboratory of HematologyNanjing Medical UniversityNanjingChina
| | - Shaoyan Hu
- Department of Hematology and OncologySoochow University Affiliated Children’s HospitalSuzhouChina
| | - Meiyun Kang
- Department of Hematology and OncologyChildren’s Hospital of Nanjing Medical UniversityNanjingChina
- Key Laboratory of HematologyNanjing Medical UniversityNanjingChina
| | - Jing Chen
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Department of Hematology and Oncology, Shanghai Children’s Medical CenterShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yongjun Fang
- Department of Hematology and OncologyChildren’s Hospital of Nanjing Medical UniversityNanjingChina
- Key Laboratory of HematologyNanjing Medical UniversityNanjingChina
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48
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Iacona JR, Lutz CS. miR-146a-5p: Expression, regulation, and functions in cancer. WILEY INTERDISCIPLINARY REVIEWS-RNA 2019; 10:e1533. [PMID: 30895717 DOI: 10.1002/wrna.1533] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 02/19/2019] [Accepted: 02/20/2019] [Indexed: 12/14/2022]
Abstract
Cancer as we know it is actually an umbrella term for over 100 very unique malignancies in various tissues throughout the human body. Each type, and even subtype of cancer, has different genetic, epigenetic, and other cellular events responsible for malignant development and metastasis. Recent work has indicated that microRNAs (miRNAs) play a major role in these processes, sometimes by promoting cancer growth and other times by suppressing tumorigenesis. miRNAs are small, noncoding RNAs that negatively regulate expression of specific target genes. This review goes into an in-depth look at the most recent finding regarding the significance of one particular miRNA, miR-146a-5p, and its involvement in cancer. Target gene validation and pathway analysis have provided mechanistic insight into this miRNA's purpose in assorted tissues. Additionally, this review outlines novel findings that suggest miR-146a-5p may be useful as a noninvasive biomarker and as a targeted therapeutic in several cancers. This article is categorized under: RNA in Disease and Development > RNA in Disease Regulatory RNAs/RNAi/Riboswitches > Regulatory RNAs.
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Affiliation(s)
- Joseph R Iacona
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers New Jersey Medical School and the School of Graduate Studies, Health Sciences Campus - Newark, Newark, New Jersey
| | - Carol S Lutz
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers New Jersey Medical School and the School of Graduate Studies, Health Sciences Campus - Newark, Newark, New Jersey
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Increased Expression of MicroRNA 551a by c-Fos Reduces Focal Adhesion Kinase Levels and Blocks Tumorigenesis. Mol Cell Biol 2019; 39:MCB.00577-18. [PMID: 30670568 DOI: 10.1128/mcb.00577-18] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 01/03/2019] [Indexed: 12/14/2022] Open
Abstract
Breast cancer is a recurrent type of cancer among women worldwide. Despite remarkable progress in the prevention, detection, and treatment of breast cancer, it still remains a major chronic problem worldwide and poses significant challenges, like metastasis to distant organs, demanding the need for novel biomarkers and therapeutic targets. Focal adhesion kinase (FAK), a member of the protein tyrosine kinases, has been shown to be expressed in high levels in breast tumors. Of late, FAK has emerged as an impending curative target in breast carcinoma, with few of the small molecular inhibitors reaching the clinical trial stage. In the current study, we established that microRNA 551a (miR-551a) precisely regulates FAK by binding to the complementary sequences in the 3' untranslated region (UTR) of mRNAs of FAK and inhibits its expression in breast carcinoma cell lines. Further, results from human breast carcinoma samples illustrated that miR-551a levels were substantially downregulated in tumor samples, with a concurrent rise in the expression of FAK. Functional experimental studies using miR-551a-overexpressing breast cancer cells and nude mouse xenograft models revealed the tumor suppressor role of miR-551a. We also found that miR-551a expression decreased the invasion and migratory ability of breast carcinoma cells by inhibiting MMP-9 activity. Regulation studies performed utilizing promoter luciferase assays, chromatin immunoprecipitation (ChIP), and electrophoretic mobility shift assay (EMSA) revealed that c-Fos binds to the miR-551a promoter and activates it. Further, we observed a considerable increase in the amount of miR-551a levels upon c-Fos overexpression. All of these results showed that miR-551a can be of clinical relevance in understanding the regulation of FAK in breast tumorigenesis.
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50
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Zare N, Eskandari N, Mehrzad V, Javanmard SH. The expression level of hsa-miR-146a-5p in plasma-derived exosomes of patients with diffuse large B-cell lymphoma. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2019; 24:10. [PMID: 30988678 PMCID: PMC6421886 DOI: 10.4103/jrms.jrms_507_18] [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: 07/02/2018] [Revised: 09/02/2018] [Accepted: 10/14/2018] [Indexed: 12/16/2022]
Abstract
Background: The standard treatment for patients with diffuse large B-cell lymphoma (DLBCL) had been rituximab-based immunochemotherapy. However, the biological and clinical heterogeneity within DLBCL seems to affect treatment outcome. Therefore, the evaluation of miRNA levels might be useful in predicting treatment response and relapse risk. miR-146a is a modulator of innate and acquired immunity and may play an important role in predicting treatment response. The aim of the present study was to compare the expression level of miR-146a in plasma-derived exosomes of responsive DLBCL patients (response to R-CHOP (Rituximab, and Cyclophosphamide, Hydroxydaunorubicin, Oncovine and Prednisone)), refractory DLBCL patients (resistant to R-CHOP), patients receiving R-CHOP, and healthy donors. Materials and Methods: After the preparation of plasma and isolation of exosomes, the presence of plasma-derived exosome was confirmed by Zetaseizer, electron microscope, and Western blot. The patients’ medical records were collected and analyzed. The expression level of exosomal miR-146a was evaluated in DLBCL patients and healthy donors using real-time polymerase chain reaction (PCR). The −ΔCt values of miR-146a were compared among responsive patients (n = 17), refractory patients (n = 16), patients receiving R-CHOP therapy (n = 15), and healthy donors (n = 6). Results: The presence and size of plasma-derived exosomes were confirmed. Our findings did not show any significant difference in the expression level of exosomal miR-146a between DLBCL patients and healthy donors (P = 0.48). As well, the clinical and histopathological parameters were not correlated with the expression level of exosomal miR-146a or plasma miR-146a. The expression level of plasma miR-146 was lower than the expression level of exosomal miR-146 (P = 0.01). Conclusion: Exosomal miR-146a might be useful as a promising “liquid biopsy” biomarker in predicting treatment response and relapse risk; however, we could not find significant differences due to small sample size.
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Affiliation(s)
- Nasrin Zare
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nahid Eskandari
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Valiollah Mehrzad
- Department of Hematology and Medical Oncology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Department of Physiology, School of Medicine and Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
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