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Torres-Ruiz S, Garrido-Cano I, Lameirinhas A, Burgués O, Hernando C, Martínez MT, Rojo F, Bermejo B, Tapia M, Carbonell-Asins JA, Peña CJ, Lluch A, Cejalvo JM, Tormo E, Eroles P. MiRNA-449 family is epigenetically repressed and sensitizes to doxorubicin through ACSL4 downregulation in triple-negative breast cancer. Cell Death Discov 2024; 10:372. [PMID: 39174500 PMCID: PMC11341569 DOI: 10.1038/s41420-024-02128-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/25/2024] [Accepted: 07/31/2024] [Indexed: 08/24/2024] Open
Abstract
Despite progress in breast cancer treatment, a significant portion of patients still relapse because of drug resistance. The involvement of microRNAs in cancer progression and chemotherapy response is well established. Therefore, this study aimed to elucidate the dysregulation of the microRNA-449 family (specifically, microRNA-449a, microRNA-449b-5p, and microRNA-449c-5p) and its impact on resistance to doxorubicin, a commonly used chemotherapeutic drug for the treatment of triple-negative breast cancer. We found that the microRNA-449 family is downregulated in triple-negative breast cancer and demonstrated its potential as a diagnostic biomarker. Besides, our findings indicate that the downregulation of the microRNA-449 family is mediated by the microRNAs-449/SIRT1-HDAC1 negative feedback loop. Moreover, it was found that the microRNA-449 family dysregulates the fatty acid metabolism by targeting ACSL4, which is a potential prognostic biomarker that mediates doxorubicin response through regulation of the drug extrusion pump ABCG2. Altogether, our results suggest that the microRNA-449 family might be a potential therapeutic target for the treatment of triple-negative breast cancer since it is implicated in doxorubicin response through ACSL4/ABCG2 axis regulation. Ultimately, our results also highlight the value of microRNAs-449 and ACSL4 as diagnostic and prognostic biomarkers in triple-negative breast cancer. Proposed model of miRNAs-449 downregulation in TNBC and doxorubicin response. MiRNAs-449 are downregulated in TNBC through a negative feedback loop with SIRT1 and HDAC1. Moreover, ACSL4 increases ABCG2 expression, thus diminishing the intracellular doxorubicin concentration and promoting doxorubicin resistance. MiRNAs-449 overexpression downregulates the ACSL4/ABCG2 axis and sensitizes doxorubicin-resistant cells to doxorubicin. Created with BioRender. TNBC: triple-negative breast cancer; DOX: doxorubicin; SIRT1: Sirtuin 1; HDAC1: Histone deacetylase 1; ACSL4: Acyl-CoA Synthetase Long-Chain Family Member 4; ABCG2: ATP-binding cassette superfamily G member 2.
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Affiliation(s)
| | - Iris Garrido-Cano
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Interuniversity Research Institute for Molecular Recognition and Technological Development (IDM), Universidad politécnica de Valencia, Universidad de Valencia, Valencia, Spain
- Bioengineering, Biomaterials and Nanomedicine Networking Biomedical Research Centre (CIBER-BBN), Madrid, Spain
| | | | - Octavio Burgués
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Department of Pathology, Hospital Clínico Universitario de València, Valencia, Spain
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain
| | - Cristina Hernando
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Department of Medical Oncology, Hospital Clínico Universitario de València, Valencia, Spain
| | - María Teresa Martínez
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Department of Medical Oncology, Hospital Clínico Universitario de València, Valencia, Spain
| | - Federico Rojo
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain
- Department of Pathology, Fundación Jiménez Díaz, Madrid, Spain
| | - Begoña Bermejo
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain
- Department of Medical Oncology, Hospital Clínico Universitario de València, Valencia, Spain
| | - Marta Tapia
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Department of Medical Oncology, Hospital Clínico Universitario de València, Valencia, Spain
| | | | | | - Ana Lluch
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain
- Department of Medical Oncology, Hospital Clínico Universitario de València, Valencia, Spain
- Department of Medicine, Universidad de Valencia, Valencia, Spain
| | - Juan Miguel Cejalvo
- INCLIVA Biomedical Research Institute, Valencia, Spain
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain
- Department of Medical Oncology, Hospital Clínico Universitario de València, Valencia, Spain
| | - Eduardo Tormo
- INCLIVA Biomedical Research Institute, Valencia, Spain.
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain.
| | - Pilar Eroles
- INCLIVA Biomedical Research Institute, Valencia, Spain.
- Center for Biomedical Network Research on Cancer (CIBERONC), Madrid, Spain.
- Department of Physiology, Universidad de Valencia, Valencia, Spain.
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2
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Chauhan M, Singh K, Chongtham C, A G A, Sharma P. miR-449a Mediated Repression of the Cell Cycle Machinery Prevents Neuronal Apoptosis. J Biol Chem 2024:107698. [PMID: 39173945 DOI: 10.1016/j.jbc.2024.107698] [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: 04/27/2024] [Revised: 07/18/2024] [Accepted: 08/08/2024] [Indexed: 08/24/2024] Open
Abstract
Aberrant activation of the cell cycle of terminally-differentiated neurons results in their apoptosis and is known to contribute to neuronal loss in various neurodegenerative disorders like Alzheimer's Disease. However, the mechanisms that regulate Cell Cycle Related Neuronal Apoptosis (CRNA) are poorly understood. We identified several miRNA that are dysregulated in neurons from a transgenic APP/PS1 mouse model for AD (TgAD). Several of these miRNA are known to and/or are predicted to target cell cycle-related genes. Detailed investigation on miR-449a revealed: a. it promotes neuronal differentiation by suppressing the neuronal cell cycle; b. its expression in cortical neurons was impaired in response to amyloid peptide Aβ42; c. loss of its expression resulted in aberrant activation of the cell cycle leading to apoptosis. miR-449a may prevent CRNA by targeting cyclin D1 and protein phosphatase CDC25A, which are important for G1-S transition. Importantly, the lentiviral mediated delivery of miR-449a in TgAD mouse brain significantly reverted the defects in learning and memory, which are associated with AD.
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Affiliation(s)
- Monika Chauhan
- Eukaryotic Gene Expression Laboratory, National Institute of Immunology, New Delhi-110067, India
| | - Komal Singh
- Eukaryotic Gene Expression Laboratory, National Institute of Immunology, New Delhi-110067, India
| | - Chen Chongtham
- Molecular Genetics Laboratory, National Institute of Immunology, New Delhi-110067, India
| | - Aneeshkumar A G
- Molecular Genetics Laboratory, National Institute of Immunology, New Delhi-110067, India
| | - Pushkar Sharma
- Eukaryotic Gene Expression Laboratory, National Institute of Immunology, New Delhi-110067, India.
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3
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Wu HH, Leng S, Sergi C, Leng R. How MicroRNAs Command the Battle against Cancer. Int J Mol Sci 2024; 25:5865. [PMID: 38892054 PMCID: PMC11172831 DOI: 10.3390/ijms25115865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/23/2024] [Accepted: 05/26/2024] [Indexed: 06/21/2024] Open
Abstract
MicroRNAs (miRNAs) are small RNA molecules that regulate more than 30% of genes in humans. Recent studies have revealed that miRNAs play a crucial role in tumorigenesis. Large sets of miRNAs in human tumors are under-expressed compared to normal tissues. Furthermore, experiments have shown that interference with miRNA processing enhances tumorigenesis. Multiple studies have documented the causal role of miRNAs in cancer, and miRNA-based anticancer therapies are currently being developed. This review primarily focuses on two key points: (1) miRNAs and their role in human cancer and (2) the regulation of tumor suppressors by miRNAs. The review discusses (a) the regulation of the tumor suppressor p53 by miRNA, (b) the critical role of the miR-144/451 cluster in regulating the Itch-p63-Ago2 pathway, and (c) the regulation of PTEN by miRNAs. Future research and the perspectives of miRNA in cancer are also discussed. Understanding these pathways will open avenues for therapeutic interventions targeting miRNA regulation.
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Affiliation(s)
- Hong Helena Wu
- 370 Heritage Medical Research Center, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB T6G 2S2, Canada;
| | - Sarah Leng
- Department of Laboratory Medicine and Pathology (5B4. 09), University of Alberta, Edmonton, AB T6G 2B7, Canada (C.S.)
| | - Consolato Sergi
- Department of Laboratory Medicine and Pathology (5B4. 09), University of Alberta, Edmonton, AB T6G 2B7, Canada (C.S.)
- Division of Anatomical Pathology, Children’s Hospital of Eastern Ontario (CHEO), University of Ottawa, 401 Smyth Road, Ottawa, ON K1H 8L1, Canada
| | - Roger Leng
- 370 Heritage Medical Research Center, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB T6G 2S2, Canada;
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Cossu AM, Melisi F, Noviello TMR, Pasquale LS, Grisolia P, Reale C, Bocchetti M, Falco M, Tammaro C, Accardo N, Longo F, Allosso S, Mesolella M, Addeo R, Perri F, Ottaiano A, Ricciardiello F, Amler E, Ambrosino C, Misso G, Ceccarelli M, Caraglia M, Scrima M. MiR-449a antagonizes EMT through IL-6-mediated trans-signaling in laryngeal squamous cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2024; 35:102140. [PMID: 38425711 PMCID: PMC10901858 DOI: 10.1016/j.omtn.2024.102140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 02/01/2024] [Indexed: 03/02/2024]
Abstract
MicroRNAs (miRNAs) are involved in post-transcriptional gene expression regulation and in mechanisms of cancer growth and metastases. In this light, miRNAs could be promising therapeutic targets and biomarkers in clinical practice. Therefore, we investigated if specific miRNAs and their target genes contribute to laryngeal squamous cell carcinoma (LSCC) development. We found a significant decrease of miR-449a in LSCC patients with nodal metastases (63.3%) compared with patients without nodal involvement (44%). The AmpliSeq Transcriptome of HNO-210 miR-449a-transfected cell lines allowed the identification of IL6-R as a potential target. Moreover, the downregulation of IL6-R and the phosphorylation reduction of the downstream signaling effectors, suggested the inhibition of the IL-6 trans-signaling pathway. These biochemical effects were paralleled by a significant inhibition of invasion and migration in vitro and in vivo, supporting an involvement of epithelial-mesenchymal transition. These findings indicate that miR-449a contributes to suppress the metastasization of LSCC by the IL-6 trans-signaling block and affects sensitivity to external stimuli that mimic pro-inflammatory conditions.
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Affiliation(s)
- Alessia Maria Cossu
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Federica Melisi
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Teresa Maria Rosaria Noviello
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
- Department of Electrical Engineering and Information Technology, University of Naples "Federico II", Napoli, Italy
| | - Lucia Stefania Pasquale
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Piera Grisolia
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Carla Reale
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Marco Bocchetti
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Michela Falco
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Chiara Tammaro
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Nunzio Accardo
- Ear, Nose, and Throat Unit, AORN "Antonio Cardarelli", Naples, Italy
| | - Francesco Longo
- Head and Neck Unit, Istituto Nazionale per lo Studio e la Cura dei Tumori, "Fondazione G. Pascale", IRCCS, Naples, Italy
| | - Salvatore Allosso
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, UOC Federico II, 80121 Naples, Italy
| | - Massimo Mesolella
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, UOC Federico II, 80121 Naples, Italy
| | - Raffaele Addeo
- Medical Oncology Unit, San Giovanni di Dio Hospital, 80027 Frattamaggiore, Italy
| | - Francesco Perri
- Head and Neck Unit, Istituto Nazionale per lo Studio e la Cura dei Tumori, "Fondazione G. Pascale", IRCCS, Naples, Italy
| | - Alessandro Ottaiano
- SSD Innovative Therapies for Abdominal Metastases, Abdominal Oncology, Istituto Nazionale per lo Studio e la Cura dei Tumori, "Fondazione G. Pascale", IRCCS, Naples, Italy
| | | | - Evzen Amler
- UCEEB, Czech Technical University, Třinecká 1024, 273 43 Buštěhrad, Czech
| | - Concetta Ambrosino
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
- Department of Science and Technology, University of Sannio, 82100 Benevento, Italy
| | - Gabriella Misso
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Michele Ceccarelli
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
- Department of Electrical Engineering and Information Technology, University of Naples "Federico II", Napoli, Italy
| | - Michele Caraglia
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
| | - Marianna Scrima
- Biogem Scarl, Institute of Genetic Research, 83031 Ariano Irpino, Italy
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5
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Sun QH, Kuang ZY, Zhu GH, Ni BY, Li J. Multifaceted role of microRNAs in gastric cancer stem cells: Mechanisms and potential biomarkers. World J Gastrointest Oncol 2024; 16:300-313. [PMID: 38425402 PMCID: PMC10900144 DOI: 10.4251/wjgo.v16.i2.300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 12/31/2023] [Accepted: 01/19/2024] [Indexed: 02/02/2024] Open
Abstract
MicroRNAs (miRNAs) have received much attention in the past decade as potential key epigenomic regulators of tumors and cancer stem cells (CSCs). The abnormal expression of miRNAs is responsible for different phenotypes of gastric cancer stem cells (GCSCs). Some specific miRNAs could be used as promising biomarkers and therapeutic targets for the identification of GCSCs. This review summarizes the coding process and biological functions of miRNAs and demonstrates their role and efficacy in gastric cancer (GC) metastasis, drug resistance, and apoptosis, especially in the regulatory mechanism of GCSCs. It shows that the overexpression of onco-miRNAs and silencing of tumor-suppressor miRNAs can play a role in promoting or inhibiting tumor metastasis, apart from the initial formation of GC. It also discusses the epigenetic regulation and potential clinical applications of miRNAs as well as the role of CSCs in the pathogenesis of GC. We believe that this review may help in designing novel therapeutic approaches for GC.
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Affiliation(s)
- Qian-Hui Sun
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Zi-Yu Kuang
- Graduate College, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Guang-Hui Zhu
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Bao-Yi Ni
- Department of Oncology, Heilongjiang University of Chinese Medicine, Harbin 150040, Heilongjiang Province, China
| | - Jie Li
- Department of Oncology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
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6
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Liu R, Huang B, Shao Y, Cai Y, Liu X, Ren Z. Identification of memory B-cell-associated miRNA signature to establish a prognostic model in gastric adenocarcinoma. J Transl Med 2023; 21:648. [PMID: 37735667 PMCID: PMC10515266 DOI: 10.1186/s12967-023-04366-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/17/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Memory B cells and microRNAs (miRNAs) play important roles in the progression of gastric adenocarcinoma (GAC), also known as stomach adenocarcinoma (STAD). However, few studies have investigated the use of memory B-cell-associated miRNAs in predicting the prognosis of STAD. METHODS We identified the marker genes of memory B cells by single-cell RNA sequencing (scRNA-seq) and identified the miRNAs associated with memory B cells by constructing an mRNA‒miRNA coexpression network. Then, univariate Cox, random survival forest (RSF), and stepwise multiple Cox regression (StepCox) algorithms were used to identify memory B-cell-associated miRNAs that were significantly related to overall survival (OS). A prognostic risk model was constructed and validated using these miRNAs, and patients were divided into a low-risk group and a high-risk group. In addition, the differences in clinicopathological features, tumour microenvironment, immune blocking therapy, and sensitivity to anticancer drugs in the two groups were analysed. RESULTS Four memory B-cell-associated miRNAs (hsa-mir-145, hsa-mir-125b-2, hsa-mir-100, hsa-mir-221) with significant correlations to OS were identified and used to construct a prognostic model. Time-dependent receiver operating characteristic (ROC) curve analysis confirmed the feasibility of the model. Kaplan‒Meier (K‒M) survival curve analysis showed that the prognosis was poor in the high-risk group. Comprehensive analysis showed that patients in the high-risk group had higher immune scores, matrix scores, and immune cell infiltration and a poor immune response. In terms of drug screening, we predicted eight drugs with higher sensitivity in the high-risk group, of which CGP-60474 was associated with the greatest sensitivity. CONCLUSIONS In summary, we identified memory B-cell-associated miRNA prognostic features and constructed a novel risk model for STAD based on scRNA-seq data and bulk RNA-seq data. Among patients in the high-risk group, STAD showed the highest sensitivity to CGP-60474. This study provides prognostic insights into individualized and precise treatment for STAD patients.
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Affiliation(s)
- Ruquan Liu
- School of Medical Information and Engineering, Guangdong Pharmaceutical University, Guangzhou, 510006, China
- Guangdong Province Precise Medicine Big Data of Traditional Chinese Medicine Engineering Technology Research Center, Guangzhou, 51006, China
| | - Biaojie Huang
- School of Medical Information and Engineering, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yongzhao Shao
- Department of Population Health, New York University Grossman School of Medicine, New York, NY, 10016, USA
| | - Yongming Cai
- School of Medical Information and Engineering, Guangdong Pharmaceutical University, Guangzhou, 510006, China
- Guangdong Province Precise Medicine Big Data of Traditional Chinese Medicine Engineering Technology Research Center, Guangzhou, 51006, China
| | - Xi Liu
- School of Medical Information and Engineering, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Zhonglu Ren
- School of Medical Information and Engineering, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
- Guangdong Province Precise Medicine Big Data of Traditional Chinese Medicine Engineering Technology Research Center, Guangzhou, 51006, China.
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7
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Parada-Cruz B, Aztatzi-Aguilar OG, Ramírez-Martínez G, Jacobo-Estrada TL, Cárdenas-González M, Escamilla-Rivera V, Martínez-Olivas MA, Narváez-Morales J, Ávila-Rojas SH, Álvarez-Salas LM, Barbier O. Inflammation- and cancer-related microRNAs in rat renal cortex after subchronic exposure to fluoride. Chem Biol Interact 2023; 379:110519. [PMID: 37121298 DOI: 10.1016/j.cbi.2023.110519] [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: 01/30/2023] [Revised: 04/10/2023] [Accepted: 04/27/2023] [Indexed: 05/02/2023]
Abstract
The proximal tubule is a target of subchronic exposure to fluoride (F) in the kidney. Early markers are used to classify kidney damage, stage, and prognosis. MicroRNAs (miRNAs) are small sequences of non-coding single-stranded RNA that regulate gene expression and play an essential role in developing many pathologies, including renal diseases. This study aimed to evaluate the expression of Cytokine-Chemokine molecules (IL-1α/1β/4/6/10, INF-γ, MIP-1α, MCP-1, RANTES, and TGF β1/2/3) and inflammation-related miRNAs to evidence the possible renal mechanisms involved in subchronic exposure to F. Total protein and miRNAs were obtained from the renal cortex of male Wistar rats exposed to 0, 15 and 50 mg NaF/L through drinking water during 40 and 80 days. In addition, cytokines-chemokines were analyzed by multiplexing assay, and a panel of 77 sequences of inflammatory-related miRNAs was analyzed by qPCR. The results show that cytokines-chemokines expression was concentration- and time-dependent with F, where the 50 mg NaF/L were the main altered groups. The miRNAs expression resulted in statistically significant differences in thirty-four miRNAs in the 50 mg NaF/L groups at 40 and 80 days. Furthermore, a molecular interaction network analysis was performed. The relevant pathways modified by subchronic exposure to fluoride were related to extracellular matrix-receptor interaction, Mucin type O-glycan biosynthesis, Gap junction, and miRNAs involved with renal cell carcinoma. Thus, F-induced cytokines-chemokines suggest subchronic inflammation; detecting miRNAs related to cancer and proliferation indicates a transition from renal epithelium to pathologic tissue after fluoride exposure.
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Affiliation(s)
- Benjamín Parada-Cruz
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
| | - Octavio Gamaliel Aztatzi-Aguilar
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
| | - Gustavo Ramírez-Martínez
- Departamento de Toxicología y Medicina Ambiental, Laboratorio de inmunología y genética. Inst. Nac. de Enf. Resp, Ismael Cosío Villegas, Calz. de Tlalpan 4502, Belisario Domínguez Secc 16, Tlalpan, 14080, Ciudad de México, CDMX, Mexico.
| | - Tania Libertad Jacobo-Estrada
- Departamento de Biociencias e Ingeniería, Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo, Instituto Politécnico Nacional, 30 de Junio de 1520 s/n, Col. Barrio la Laguna Ticomán, CP 07340, Ciudad de México, CDMX, Mexico.
| | - Mariana Cárdenas-González
- Laboratory of Systems Pharmacology, Harvard Program in Therapeutic Sciences, Harvard Medical School, 200 Longwood Ave, Boston, MA, 02115, USA.
| | - Vicente Escamilla-Rivera
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico; Department of Otolaryngology-Head & Neck Surgery, University of Arizona, Tucson, AZ, 85724, USA.
| | - Martha Adriana Martínez-Olivas
- Departamento de Biotecnología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
| | - Juana Narváez-Morales
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
| | - Sabino Hazael Ávila-Rojas
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
| | - Luis Marat Álvarez-Salas
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
| | - Olivier Barbier
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional 2508, Col. San Pedro Zacatenco, CP 07360, Ciudad de México, CDMX, Mexico.
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8
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Tong T, Zhou Y, Huang Q, Xiao C, Bai Q, Deng B, Chen L. The regulation roles of miRNAs in Helicobacter pylori infection. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2023:10.1007/s12094-023-03094-9. [PMID: 36781601 DOI: 10.1007/s12094-023-03094-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/17/2023] [Indexed: 02/15/2023]
Abstract
Helicobacter pylori is a kind of Gram-negative bacteria that parasitizes on human gastric mucosa. Helicobacter pylori infection is very common in human beings, which often causes gastrointestinal diseases, including chronic gastritis, duodenal ulcer and gastric cancer. MicroRNAs are a group of endogenous non-coding single stranded RNAs, which play an important role in cell proliferation, differentiation, autophagy, apoptosis and inflammation. In recent years, relevant studies have found that the expression of microRNA is changed after Helicobacter pylori infection, and then regulate the biological process of host cells. This paper reviews the regulation role of microRNAs on cell biological behavior through different signal pathways after Helicobacter pylori infection.
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Affiliation(s)
- Ting Tong
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China
| | - You Zhou
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China
| | - Qiaoling Huang
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China
| | - Cui Xiao
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China
| | - Qinqin Bai
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China
| | - Bo Deng
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China
| | - Lili Chen
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China. .,Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China. .,Hengyang Engineering Technology Research Center, Hengyang, 421001, Hunan, China.
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9
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Park SY, Kim SJ, To PK, Zhou R, Kim K, Kim KK, Jung C, Kim H. MicroRNA-122 targets δ-catenin to suppress the tumorigenic potential of prostate cancer cells. Am J Cancer Res 2022; 12:4853-4864. [PMID: 36381334 PMCID: PMC9641389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023] Open
Abstract
δ-Catenin is expressed abundantly in various human cancers, including prostate, brain, breast, and lung carcinomas, and is recognized as an oncogene that promotes cancer cell growth and tumorigenesis. Although several transcriptional and post-translational pathways for δ-catenin regulation have been identified in cancer cells, the potential effects of microRNA-mediated regulation remain elusive. Here, we used a δ-catenin 3'-UTR luciferase reporter assay to identify regulatory microRNAs. Subsequent bioinformatics analyses and molecular studies revealed that overexpression of miR-122 downregulated δ-catenin expression significantly via targeted binding to a seed sequence in the 3'-UTR region of δ-catenin, and suppressed the invasion, migration, and proliferation of prostate cancer cells in vitro. In a TRAMP-C2 mouse syngeneic prostate tumor model, stable expression of miR-122 decreased both δ-catenin expression and tumor growth. Mechanistically, overexpression of miR-122 inhibited the expression of δ-catenin-mediated downstream factors significantly in prostate cancer cells, including c-myc and cyclin D1. In cells overexpressing miR-122, there was no additive or synergistic effect of siRNA-mediated knockdown of δ-catenin on cell invasiveness, and overexpression of miR-122 alone had a more pronounced suppressive effect on cell invasion than knockdown of δ-catenin alone. These results suggest that miR-122 acts as tumor suppressor in prostate cancer, mainly by downregulating δ-catenin expression, but also by targeting other factors. Indeed, subsequent experiments showed that overexpression of miR-122 reduced the levels of the mRNAs encoding myc, snail, and VEGF in prostate cancer cells. Overall, our findings demonstrate that targeting of δ-catenin by miR-122 represses the motility and tumorigenesis of prostate cancer cells, indicating a tumor suppressive effect of this miRNA in prostate cancer.
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Affiliation(s)
- So-Yeon Park
- College of Pharmacy, Sunchon National UniversitySunchon 57922, Republic of Korea
| | - Sung Jin Kim
- College of Pharmacy, Sunchon National UniversitySunchon 57922, Republic of Korea
| | - Phuong Kim To
- Department of Anatomy, Chonnam National University Medical SchoolGwangju 61469, Republic of Korea
| | - Rui Zhou
- College of Pharmacy, Sunchon National UniversitySunchon 57922, Republic of Korea
| | - Kwonseop Kim
- College of Pharmacy, Chonnam National UniversityGwangju 61186, Republic of Korea
| | - Kyung Keun Kim
- Department of Pharmacology, Chonnam National University Medical SchoolGwangju 61469, Republic of Korea
| | - Chaeyong Jung
- Department of Anatomy, Chonnam National University Medical SchoolGwangju 61469, Republic of Korea
| | - Hangun Kim
- College of Pharmacy, Sunchon National UniversitySunchon 57922, Republic of Korea
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10
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Lei ZN, Teng QX, Tian Q, Chen W, Xie Y, Wu K, Zeng Q, Zeng L, Pan Y, Chen ZS, He Y. Signaling pathways and therapeutic interventions in gastric cancer. Signal Transduct Target Ther 2022; 7:358. [PMID: 36209270 PMCID: PMC9547882 DOI: 10.1038/s41392-022-01190-w] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/14/2022] [Accepted: 09/07/2022] [Indexed: 11/23/2022] Open
Abstract
Gastric cancer (GC) ranks fifth in global cancer diagnosis and fourth in cancer-related death. Despite tremendous progress in diagnosis and therapeutic strategies and significant improvements in patient survival, the low malignancy stage is relatively asymptomatic and many GC cases are diagnosed at advanced stages, which leads to unsatisfactory prognosis and high recurrence rates. With the recent advances in genome analysis, biomarkers have been identified that have clinical importance for GC diagnosis, treatment, and prognosis. Modern molecular classifications have uncovered the vital roles that signaling pathways, including EGFR/HER2, p53, PI3K, immune checkpoint pathways, and cell adhesion signaling molecules, play in GC tumorigenesis, progression, metastasis, and therapeutic responsiveness. These biomarkers and molecular classifications open the way for more precise diagnoses and treatments for GC patients. Nevertheless, the relative significance, temporal activation, interaction with GC risk factors, and crosstalk between these signaling pathways in GC are not well understood. Here, we review the regulatory roles of signaling pathways in GC potential biomarkers, and therapeutic targets with an emphasis on recent discoveries. Current therapies, including signaling-based and immunotherapies exploited in the past decade, and the development of treatment for GC, particularly the challenges in developing precision medications, are discussed. These advances provide a direction for the integration of clinical, molecular, and genomic profiles to improve GC diagnosis and treatments.
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Affiliation(s)
- Zi-Ning Lei
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Qiu-Xu Teng
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA
| | - Qin Tian
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Wei Chen
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Yuhao Xie
- Institute for Biotechnology, St. John's University, Queens, NY, 11439, USA
| | - Kaiming Wu
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Qianlin Zeng
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China
| | - Leli Zeng
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China.
| | - Yihang Pan
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China.
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, 11439, USA.
- Institute for Biotechnology, St. John's University, Queens, NY, 11439, USA.
| | - Yulong He
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, 518107, Shenzhen, Guangdong, China.
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11
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Awadalla A, Abol-Enein H, Hamam ET, Ahmed AE, Khirallah SM, El-Assmy A, Mostafa SA, Babalghith AO, Ali M, Abdel-Rahim M, Shokeir AA, Harraz AM. Identification of Epigenetic Interactions between miRNA and Gene Expression as Potential Prognostic Markers in Bladder Cancer. Genes (Basel) 2022; 13:genes13091629. [PMID: 36140796 PMCID: PMC9498328 DOI: 10.3390/genes13091629] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 11/20/2022] Open
Abstract
Purpose: To identify the role of a set of microRNAs and their target genes and protein expression levels in the pathogenesis of bladder cancer with a muscular invasion (T2−T4) and non-muscular invasion (T1). Methods: In 157 patients, bladder specimen was examined for the expression of a set of miRNAs including let-7a-5p, miRNA-449a-5p, miRNA-145-3P, miRNA-124-3P, miRNA-138-5p, and miRNA-23a-5p and their targeted genes; β-catenin, WNT7A, IRS2, FZD4, SOS1, HDAC1, HDAC2, HIF1α, and PTEN using the qRT-PCR technique. The prognostic effect of miRNAs and their targeted genes on cancer-specific survival (CSS) was evaluated in pT2−pT4 stages. Results: pT1 was found in 40 patients while pT2−4 was found in 117 patients. The expression of let-7a-5P, miR-124-3P, miR-449a-5P, and miR-138-5P significantly decreased in pT2−4 compared with pT1 (p < 0.001), in contrast, miR-23a-5P increased significantly in pT2−pT4 compared with pT1 (p < 0.001). Moreover, the expression of miR-145 did not show a significant change (p = 0.31). Higher expression levels of WNT7A, β-catenin, IRS2, FZD4, and SOS1 genes were observed in pT2−pT4 compared with pT1, whereas HDAC1, HDAC2, HIF1α, and PTEN genes were downregulated in pT2−pT4 compared with pT1. Lower CSS was significantly associated with lower expression of let-7a-5P, miR-124-3P, miR-449a-5P, and miR-138-5P. Higher expression of β-catenin, FZD4, IRS2, WNT7a, and SOS1 was significantly associated with worse CSS. In contrast, lower levels of HDAC1, HDAC2, HIF1α, and PTEN were associated with lower CSS. Conclusion: Our results support let-7a-5P, miR-124-3P, miR-138-5P, and their target genes can be developed as accurate biomarkers for prognosis in bladder cancer with a muscular invasion.
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Affiliation(s)
- Amira Awadalla
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
| | - Hassan Abol-Enein
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
| | - Eman T. Hamam
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
| | - Asmaa E. Ahmed
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
| | - Salma M. Khirallah
- Biochemistry Division, Chemistry Department, Faculty of Science, Port Said University, Port Said 42526, Egypt
| | - Ahmed El-Assmy
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
| | - Sally Abdallah Mostafa
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Ahmed O. Babalghith
- Medical Genetics Department, College of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Mohamed Ali
- Biochemistry Division, Chemistry Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Mona Abdel-Rahim
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
| | - Ahmed A. Shokeir
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
- Correspondence: ; Tel.: +20-50-2202222; Fax: +20-50-2202717
| | - Ahmed M. Harraz
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura 35516, Egypt
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12
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Murugan D, Rangasamy L. A perspective to weaponize microRNAs against lung cancer. Noncoding RNA Res 2022; 8:18-32. [PMID: 36262424 PMCID: PMC9556932 DOI: 10.1016/j.ncrna.2022.09.009] [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: 07/29/2022] [Revised: 09/25/2022] [Accepted: 09/26/2022] [Indexed: 12/02/2022] Open
Abstract
microRNAs are regulatory RNAs that silence specific mRNA by binding to it, inducing translational repression. Over the recent decades since the discovery of RNA interference, the field of microRNA therapeutics has expanded tremendously. The role of miRNAs in disease development has attracted researchers to investigate their potential in therapeutics. In lung cancer, multiple miRNAs are deregulated, and their involvement is observed in cell proliferation, immunomodulation, angiogenesis, and epithelial-mesenchymal transition. Thus, synthetic oligonucleotides are developed to downregulate the overexpressed miRNA or to upregulate the repressed miRNA. However, their clinical efficiency is limited due to the requirement for an effective delivery strategy. Advances in the current understanding of nanotechnology, biomaterial science, and disease molecular pathology have increased the chances of overcoming the limitations of miRNA-based therapy. This review enlists downregulated and upregulated miRNAs in lung cancer. This review also highlights the major contributions to miRNA-based therapeutics for lung cancer and strategies to overcome endosomal barriers. It also attempts to understand the nuances between current advancements in delivery methods, advantages, disadvantages, and practical issues for the large-scale development of miRNA-based therapeutics. Multiple miRNAs are deregulated in lung cancer, and they are involved in tumor progression. Synthetic oligonucleotides downregulate the overexpressed miRNA or to upregulate the repressed miRNA. This review also highlights the major contributions to miRNA-based therapeutics for lung cancer. It also attempts to understand the nuances between current advancements in delivery methods, advantages, disadvantages, and practical issues for the large-scale development of miRNA-based therapeutics.
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Affiliation(s)
- Dhanashree Murugan
- Drug Discovery Unit (DDU), Centre for Biomaterials, Cellular, and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore, 632014, Tamil Nadu, India
- School of Biosciences & Technology (SBST), Vellore Institute of Technology (VIT), Vellore, 632014, Tamil Nadu, India
| | - Loganathan Rangasamy
- Drug Discovery Unit (DDU), Centre for Biomaterials, Cellular, and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore, 632014, Tamil Nadu, India
- Corresponding author.
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13
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Jiang P, Ma X, Han S, Ma L, Ai J, Wu L, Zhang Y, Xiao H, Tian M, Tao WA, Zhang S, Chai R. Characterization of the microRNA transcriptomes and proteomics of cochlear tissue-derived small extracellular vesicles from mice of different ages after birth. Cell Mol Life Sci 2022; 79:154. [PMID: 35218422 PMCID: PMC11072265 DOI: 10.1007/s00018-022-04164-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 12/30/2021] [Accepted: 01/23/2022] [Indexed: 12/22/2022]
Abstract
The cochlea is an important sensory organ for both balance and sound perception, and the formation of the cochlea is a complex developmental process. The development of the mouse cochlea begins on embryonic day (E)9 and continues until postnatal day (P)21 when the hearing system is considered mature. Small extracellular vesicles (sEVs), with a diameter ranging from 30 to 200 nm, have been considered a significant medium for information communication in both physiological and pathological processes. However, there are no studies exploring the role of sEVs in the development of the cochlea. Here, we isolated tissue-derived sEVs from the cochleae of FVB mice at P3, P7, P14, and P21 by ultracentrifugation. These sEVs were first characterized by transmission electron microscopy, nanoparticle tracking analysis, and western blotting. Next, we used small RNA-seq and mass spectrometry to characterize the microRNA transcriptomes and proteomes of cochlear sEVs from mice at different ages. Many microRNAs and proteins were discovered to be related to inner ear development, anatomical structure development, and auditory nervous system development. These results all suggest that sEVs exist in the cochlea and are likely to be essential for the normal development of the auditory system. Our findings provide many sEV microRNA and protein targets for future studies of the roles of cochlear sEVs.
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Affiliation(s)
- Pei Jiang
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - Xiangyu Ma
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - Shanying Han
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Leyao Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jingru Ai
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - Leilei Wu
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - Yuan Zhang
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - Hairong Xiao
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - Mengyao Tian
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China
| | - W Andy Tao
- Department of Chemistry, Department of Biochemistry, Purdue University, West Lafayette, Indiana, 47907, USA.
- Center for Cancer Research, Purdue University, West Lafayette, Indiana, 47907, USA.
| | - Shasha Zhang
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China.
| | - Renjie Chai
- State Key Laboratory of Bioelectronics, Department of Otolaryngology Head and Neck Surgery, Zhongda Hospital, School of Life Sciences and Technology, Jiangsu Province High-Tech Key Laboratory for Bio-Medical Research, Southeast University, Nanjing, 210096, China.
- Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, China.
- Department of Otolaryngology Head and Neck Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Science, Beijing, China.
- Beijing Key Laboratory of Neural Regeneration and Repair, Capital Medical University, Beijing, 100069, China.
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14
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Kaller M, Hünten S, Siemens H, Hermeking H. Analysis of the p53/microRNA Network in Cancer. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1385:187-228. [DOI: 10.1007/978-3-031-08356-3_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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15
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Lan SH, Lin SC, Wang WC, Yang YC, Lee JC, Lin PW, Chu ML, Lan KY, Zuchini R, Liu HS, Wu SY. Autophagy Upregulates miR-449a Expression to Suppress Progression of Colorectal Cancer. Front Oncol 2021; 11:738144. [PMID: 34737955 PMCID: PMC8560741 DOI: 10.3389/fonc.2021.738144] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 10/04/2021] [Indexed: 12/18/2022] Open
Abstract
Many studies reported that microRNAs (miRNAs) target autophagy-related genes to affect carcinogenesis, however, autophagy-deficiency-related miRNA dysfunction in cancer development remains poorly explored. During autophagic progression, we identified miR-449a as the most up-regulated miRNA. MiR-449a expression was low in the tumor parts of CRC patient specimens and inversely correlated with tumor stage and metastasis with the AUC (area under the curve) of 0.899 and 0.736 as well as poor overall survival rate, indicating that miR-449a has the potential to be a prognostic biomarker. In the same group of CRC specimens, low autophagic activity (low Beclin 1 expression and high p62 accumulation) was detected, which was significantly associated with miR-449a expression. Mechanistic studies disclosed that autophagy upregulates miR-449a expression through degradation of the coactivator p300 protein which acetylates the transcription factor Forkhead Box O1 (FoxO1). Unacetylated FoxO1 translocated to the nucleus and bound to the miR-449a promoter to drive gene expression. Either activation of autophagy by the inducer or overexpression of exogenous miR-449a decreases the expression of target gene LEF-1 and cyclin D1, which lead to decreased proliferation, colony formation, migration, and invasion of CRC cells. Autophagy-miR-449a-tartet genes mediated suppression of tumor formation was further confirmed in the xenograft mouse model. In conclusion, this study reveals a novel mechanism wherein autophagy utilizes miR-449a-LEF1-cyclin D1 axis to suppress CRC tumorigenesis. Our findings open a new avenue toward prognosis and treatment of CRC patients by manipulating autophagy-miR-449a axis.
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Affiliation(s)
- Sheng-Hui Lan
- Department of Life Sciences and Institute of Genome Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shu-Ching Lin
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Chen Wang
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Chan Yang
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jenq-Chang Lee
- Department of Surgery, College of Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Pei-Wen Lin
- Center for Cancer Research, Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Man-Ling Chu
- Center for Cancer Research, Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Kai-Ying Lan
- Department of Life Sciences and Institute of Genome Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Roberto Zuchini
- Department of Gastroenterology, Hospital Centro Médico, Guatemala City, Guatemala
| | - Hsiao-Sheng Liu
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Center for Cancer Research, Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Master of Science Program in Tropical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shan-Ying Wu
- Department of Microbiology and Immunology, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
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16
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Mei D, Qi Y, Xia Y, Ma J, Hu H, Ai J, Chen L, Wu N, Liao D. Microarray profile analysis identifies ETS1 as potential biomarker regulated by miR-23b and modulates TCF4 in gastric cancer. World J Surg Oncol 2021; 19:311. [PMID: 34686186 PMCID: PMC8540102 DOI: 10.1186/s12957-021-02417-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 10/03/2021] [Indexed: 12/30/2022] Open
Abstract
Background Gastric cancer (GC), a common malignancy of the human digestive system, represents the second leading cause of cancer-related deaths worldwide. Early detection of GC has a significant impact on clinical outcomes. The aim of this study was to identify potential GC biomarkers. Methods In this study, we conducted a multi-step analysis of expression profiles in GC clinical samples downloaded from TCGA database to identify differentially expressed miRNAs (DEMs) and differentially expressed mRNAs (DEGs). Potential prognostic biomarkers from the available DEMs were then established using the Cox regression method. Gene ontology and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed to investigate the biological role of the predicted target genes of the miRNA biomarkers. Then, the prognostic DEM-mediated regulatory network was constructed based on transcription factor (TF)–miRNA–target interaction. Subsequently, the consensus genes were further determined based on the overlap between DEGs and these target genes of DEMs. Besides, expression profile, co-expression analysis, immunity, and prognostic values of these prognostic genes were also investigated to further explore the roles in the mechanism of GC tumorigenesis. Results We got five miRNAs, including miR-23b, miR-100, miR-143, miR-145, and miR-409, which are associated with the overall survival of GC patients. Subsequently, enrichment analysis of the target genes of the miRNA biomarkers shown that the GO biological process terms were mainly enriched in mRNA catabolic process, nuclear chromatin, and RNA binding. In addition, the KEGG pathways were significantly enriched in fatty acid metabolism, extracellular matrix (ECM) receptor interaction, and proteoglycans in cancer pathways. The transcriptional regulatory network consisting of 68 TFs, 4 DEMs, and 58 targets was constructed based on the interaction of TFs, miRNAs, and targets. The downstream gene ETS1 of miR-23b and TCF4 regulated by ETS1 were obtained by the regulatory network construction and co-expression analysis. High expression of ETS1 and TCF4 indicated poor prognosis in GC patients, particularly in the advanced stages. The expression of ETS1 and TCF4 was correlated with CD4+ T cells, CD8+ T cells, and B cells. Conclusions miR-23b, ETS1, and TCF4 were identified as the prognostic biomarkers. ETS1 and TCF4 had potential immune function in GC, which provided a theoretical basis for molecular-targeted combined immunotherapy in the future.
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Affiliation(s)
- Dinglian Mei
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Yalong Qi
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Yuanyuan Xia
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Jun Ma
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Hao Hu
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Jun Ai
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Liqiang Chen
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China
| | - Ning Wu
- Department of Oncology, Shanghai Pudong New Area Gongli Hospital, Shanghai, 200135, People's Republic of China
| | - Daixiang Liao
- The Department of Oncology, Beijing Mentougou District Hospital, Beijing, 102300, People's Republic of China.
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17
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Prashar A, Capurro MI, Jones NL. Under the Radar: Strategies Used by Helicobacter pylori to Evade Host Responses. Annu Rev Physiol 2021; 84:485-506. [PMID: 34672717 DOI: 10.1146/annurev-physiol-061121-035930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The body depends on its physical barriers and innate and adaptive immune responses to defend against the constant assault of potentially harmful microbes. In turn, successful pathogens have evolved unique mechanisms to adapt to the host environment and manipulate host defenses. Helicobacter pylori (Hp), a human gastric pathogen that is acquired in childhood and persists throughout life, is an example of a bacterium that is very successful at remodeling the host-pathogen interface to promote a long-term persistent infection. Using a combination of secreted virulence factors, immune subversion, and manipulation of cellular mechanisms, Hp can colonize and persist in the hostile environment of the human stomach. Here, we review the most recent and relevant information regarding how this successful pathogen overcomes gastric epithelial host defense responses to facilitate its own survival and establish a chronic infection. Expected final online publication date for the Annual Review of Physiology, Volume 84 is February 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Akriti Prashar
- Program in Cell Biology, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada;
| | - Mariana I Capurro
- Program in Cell Biology, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada;
| | - Nicola L Jones
- Program in Cell Biology, Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada; .,Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children, Toronto, Ontario, Canada.,Departments of Paediatrics and Physiology, University of Toronto, Toronto, Ontario, Canada
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18
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Re M, Tomasetti M, Monaco F, Amati M, Rubini C, Sollini G, Bajraktari A, Gioacchini FM, Santarelli L, Pasquini E. MiRNome analysis identifying miR-205 and miR-449a as biomarkers of disease progression in intestinal-type sinonasal adenocarcinoma. Head Neck 2021; 44:18-33. [PMID: 34647653 PMCID: PMC9292973 DOI: 10.1002/hed.26894] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 09/02/2021] [Accepted: 09/30/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Patients with intestinal-type sinonasal adenocarcinoma (ITAC) have an unfavorable prognosis, and new diagnostic and therapeutic approaches are needed to improve clinical management. METHODS Next-generation sequencing-based miRNome analysis was performed on 43 ITAC patients who underwent surgical resection, and microRNA (miRNA) data were obtained from 35 cases. Four miRNAs were identified, and their expression levels were detected by reverse-transcription quantitative polymerase chain reaction and related to the relevant patient outcome. Overall survival and disease-free survival rates were evaluated through the Kaplan-Meier method and log-rank test, and multivariate analysis was performed by means of Cox proportional hazard analysis. RESULTS High levels of miR-205 and miR-34c/miR-449 cluster expression were associated with an increased recurrence risk and, therefore, a worse prognosis. Multivariate analysis confirmed that miR-205 and miR-449 were significant prognostic predictors. CONCLUSIONS A high expression of miR-205 and miR-449 is independent predictors of poor survival for ITAC patients.
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Affiliation(s)
- Massimo Re
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Marco Tomasetti
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Federica Monaco
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Monica Amati
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Corrado Rubini
- Department of Biomedical Sciences and Public Health, Anatomy Pathology and Histopathology Section, Polytechnic University of Marche, Ancona, Italy
| | | | - Arisa Bajraktari
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
| | | | - Lory Santarelli
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
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19
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Fu Z, Wang L, Li S, Chen F, Au-Yeung KKW, Shi C. MicroRNA as an Important Target for Anticancer Drug Development. Front Pharmacol 2021; 12:736323. [PMID: 34512363 PMCID: PMC8425594 DOI: 10.3389/fphar.2021.736323] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/10/2021] [Indexed: 12/15/2022] Open
Abstract
Cancer has become the second greatest cause of death worldwide. Although there are several different classes of anticancer drugs that are available in clinic, some tough issues like side-effects and low efficacy still need to dissolve. Therefore, there remains an urgent need to discover and develop more effective anticancer drugs. MicroRNAs (miRNAs) are a class of small endogenous non-coding RNAs that regulate gene expression by inhibiting mRNA translation or reducing the stability of mRNA. An abnormal miRNA expression profile was found to exist widely in cancer cell, which induces limitless replicative potential and evading apoptosis. MiRNAs function as oncogenes (oncomiRs) or tumor suppressors during tumor development and progression. It was shown that regulation of specific miRNA alterations using miRNA mimics or antagomirs can normalize the gene regulatory network and signaling pathways, and reverse the phenotypes in cancer cells. The miRNA hence provides an attractive target for anticancer drug development. In this review, we will summarize the latest publications on the role of miRNA in anticancer therapeutics and briefly describe the relationship between abnormal miRNAs and tumorigenesis. The potential of miRNA-based therapeutics for anticancer treatment has been critically discussed. And the current strategies in designing miRNA targeting therapeutics are described in detail. Finally, the current challenges and future perspectives of miRNA-based therapy are conferred.
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Affiliation(s)
- Zhiwen Fu
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
| | - Liu Wang
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
| | - Shijun Li
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
| | - Fen Chen
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
| | | | - Chen Shi
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Clinical Research Center for Precision Medicine for Critical Illness, Wuhan, China
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20
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Rastgar Rezaei Y, Zarezadeh R, Nikanfar S, Oghbaei H, Nazdikbin N, Bahrami-Asl Z, Zarghami N, Ahmadi Y, Fattahi A, Nouri M, Dittrich R. microRNAs in the pathogenesis of non-obstructive azoospermia: the underlying mechanisms and therapeutic potentials. Syst Biol Reprod Med 2021; 67:337-353. [PMID: 34355990 DOI: 10.1080/19396368.2021.1951890] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
miRNAs are involved in different biological processes, including proliferation, differentiation, and apoptosis. Interestingly, 38% of the X chromosome-linked miRNAs are testis-specific and have crucial roles in regulating the renewal and cell cycle of spermatogonial stem cells. Previous studies demonstrated that abnormal expression of spermatogenesis-related miRNAs could lead to nonobstructive azoospermia (NOA). Moreover, differential miRNAs expression in seminal plasma of NOA patients has been reported compared to normozoospermic men. However, the role of miRNAs in NOA pathogenesis and the underlying mechanisms have not been comprehensively studied. Therefore, the aim of this review is to mechanistically describe the role of miRNAs in the pathogenesis of NOA and discuss the possibility of using the miRNAs as therapeutic targets.Abbreviations: AMO: anti-miRNA antisense oligonucleotide; AZF: azoospermia factor region; CDK: cyclin-dependent kinase; DAZ: deleted in azoospermia; ESCs: embryonic stem cells; FSH: follicle-stimulating hormone; ICSI: intracytoplasmic sperm injection; JAK/STAT: Janus kinase/signal transducers and activators of transcription; miRNA: micro-RNA; MLH1: Human mutL homolog l; NF-κB: Nuclear factor-kappa B; NOA: nonobstructive azoospermia; OA: obstructive azoospermia; PGCs: primordial germ cells; PI3K/AKT: Phosphatidylinositol 3-kinase/protein kinase B; Rb: retinoblastoma tumor suppressor; ROS: Reactive Oxygen Species; SCOS: Sertoli cell-only syndrome; SIRT: sirtuin; SNPs: single nucleotide polymorphisms; SSCs: spermatogonial stem cells; TESE: testicular sperm extraction; TGF-β: transforming growth factor-beta.
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Affiliation(s)
- Yeganeh Rastgar Rezaei
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Zarezadeh
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saba Nikanfar
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hajar Oghbaei
- Department of Physiology, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Zahra Bahrami-Asl
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nosratollah Zarghami
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yadollah Ahmadi
- Department of Urology, Sina Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Fattahi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Obstetrics and Gynecology, Erlangen University Hospital, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
| | - Mohammad Nouri
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ralf Dittrich
- Department of Obstetrics and Gynecology, Erlangen University Hospital, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany
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21
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Yang W, Sun L, Cao X, Li L, Zhang X, Li J, Zhao H, Zhan C, Zang Y, Li T, Zhang L, Liu G, Li W. Detection of circRNA Biomarker for Acute Myocardial Infarction Based on System Biological Analysis of RNA Expression. Front Genet 2021; 12:686116. [PMID: 33995502 PMCID: PMC8120315 DOI: 10.3389/fgene.2021.686116] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 04/12/2021] [Indexed: 11/17/2022] Open
Abstract
Acute myocardial infarction (AMI) is myocardial necrosis caused by the persistent interruption of myocardial blood supply, which has high incidence rate and high mortality in middle-aged and elderly people in the worldwide. Biomarkers play an important role in the early diagnosis and treatment of AMI. Recently, more and more researches confirmed that circRNA may be a potential diagnostic biomarker and therapeutic target for cardiovascular diseases. In this paper, a series of biological analyses were performed to find new effective circRNA biomarkers for AMI. Firstly, the expression levels of circRNAs in blood samples of patients with AMI and those with mild coronary stenosis were compared to reveal circRNAs which were involved in AMI. Then, circRNAs which were significant expressed abnormally in the blood samples of patients with AMI were selected from those circRNAs. Next, a ceRNA network was constructed based on interactions of circRNA, miRNA and mRNA through biological analyses to detect crucial circRNA associated with AMI. Finally, one circRNA was selected as candidate biomarker for AMI. To validate effectivity and efficiency of the candidate biomarker, fluorescence in situ hybridization, hypoxia model of human cardiomyocytes, and knockdown and overexpression analyses were performed on candidate circRNA biomarker. In conclusion, experimental results demonstrated that the candidate circRNA was an effective biomarker for diagnosis and therapy of AMI.
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Affiliation(s)
- Wen Yang
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Li Sun
- Department of Cardiology, The First Affiliated Hospital, China University of Science and Technology, Hefei, China
| | - Xun Cao
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Luyifei Li
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Xin Zhang
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Jianqian Li
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Hongyan Zhao
- Department of Cardiology, The People's Hospital of Liaoning Province, Shenyang, China
| | - Chengchuang Zhan
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yanxiang Zang
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Tiankai Li
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Li Zhang
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Guangzhong Liu
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Weimin Li
- Department of Cardiology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
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22
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Olmo IG, Olmo RP, Gonçalves ANA, Pires RGW, Marques JT, Ribeiro FM. High-Throughput Sequencing of BACHD Mice Reveals Upregulation of Neuroprotective miRNAs at the Pre-Symptomatic Stage of Huntington's Disease. ASN Neuro 2021; 13:17590914211009857. [PMID: 33906482 PMCID: PMC8718118 DOI: 10.1177/17590914211009857] [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] [Indexed: 12/26/2022] Open
Abstract
Huntington’s disease (HD) is a genetic disorder marked by transcriptional alterations that result in neuronal impairment and death. MicroRNAs (miRNAs) are non-coding RNAs involved in post-transcriptional regulation and fine-tuning of gene expression. Several studies identified altered miRNA expression in HD and other neurodegenerative diseases, however their roles in early stages of HD remain elusive. Here, we deep-sequenced miRNAs from the striatum of the HD mouse model, BACHD, at the age of 2 and 8 months, representing the pre-symptomatic and symptomatic stages of the disease. Our results show that 44 and 26 miRNAs were differentially expressed in 2- and 8-month-old BACHD mice, respectively, as compared to wild-type controls. Over-representation analysis suggested that miRNAs up-regulated in 2-month-old mice control the expression of genes crucial for PI3K-Akt and mTOR cell signaling pathways. Conversely, miRNAs regulating genes involved in neuronal disorders were down-regulated in 2-month-old BACHD mice. Interestingly, primary striatal neurons treated with anti-miRs targeting two up-regulated miRNAs, miR-449c-5p and miR-146b-5p, showed higher levels of cell death. Therefore, our results suggest that the miRNAs altered in 2-month-old BACHD mice regulate genes involved in the promotion of cell survival. Notably, over-representation suggested that targets of differentially expressed miRNAs at the age of 8 months were not significantly enriched for the same pathways. Together, our data shed light on the role of miRNAs in the initial stages of HD, suggesting a neuroprotective role as an attempt to maintain or reestablish cellular homeostasis.
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Affiliation(s)
- Isabella G Olmo
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, Brazil
| | - Roenick P Olmo
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, Brazil.,CNRS UPR9022, Inserm U1257, Institut de Biologie Moléculaire et Cellulaire, Université de Strasbourg, Strasbourg, France
| | - André N A Gonçalves
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, Universidade de São Paulo, São Paulo, Brazil
| | - Rita G W Pires
- Department of Physiological Sciences, Center for Health Sciences, Universidade Federal do Espirito Santo, Vitoria, Brazil
| | - João T Marques
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, Brazil.,CNRS UPR9022, Inserm U1257, Institut de Biologie Moléculaire et Cellulaire, Université de Strasbourg, Strasbourg, France
| | - Fabíola M Ribeiro
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, Belo Horizonte, Brazil
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23
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Fu D, Chen Y, Xu D. Circulating miR-449a predicts survival outcome for colorectal cancer following curative resection: An observational study. Medicine (Baltimore) 2021; 100:e25022. [PMID: 33847612 PMCID: PMC8052019 DOI: 10.1097/md.0000000000025022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 02/10/2021] [Indexed: 01/04/2023] Open
Abstract
Previous studies showed that microRNA (miR)-449a may function as a tumor suppressor. However, the expression pattern and value of circulating miR-449a in colorectal cancer (CRC) remain unclear. Therefore, the purpose of this study was to measure circulating miR-449a level of CRC patients and evaluate its value for predicting prognosis.Plasma samples of 343 consecutive CRC patients and 162 healthy controls were obtained. Circulating miR-449a levels were measured by using real-time quantitative reverse transcription polymerase chain reactions. All enrolled patients were followed up in a regular interval after surgery. The clinical data and survival outcome of all 343 patients were collected. The correlation between circulating miR-449a level and survival outcomes was analyzed by univariate and multivariate analysis.Circulating miR-449a level in CRC patients was significantly decreased (P < .05) comparing with healthy controls. Low miR-449a was significantly associated with CEA and CA19-9 level (both P < .05). Furthermore, patients with a decreased miR-449a level had a lower 5-years overall survival (OS) rate than those with a high miR-449a (67.4% vs 76.9%, P = .03). Low circulating miR-449a level also been demonstrated as an independent risk factor for CRC in multivariate COX analysis (HR, 2.56; 95%CI: 1.15-8.63; P < .05).Circulating miR-449a was significantly decreased in CRC patients and closely related to poor prognosis, suggesting that miR-449a might can be used as a useful diagnostic and prognostic marker for CRC.
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Affiliation(s)
- Dengke Fu
- Department of Oncology, Chuiyangliu Hospital Affiliated to Tsinghua University
| | - Yang Chen
- Department of Oncology, Chuiyangliu Hospital Affiliated to Tsinghua University
| | - Dongkui Xu
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China
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24
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Li L, Tao X, Li Y, Gao Y, Li Q. CDC37L1 acts as a suppressor of migration and proliferation in gastric cancer by down-regulating CDK6. J Cancer 2021; 12:3145-3153. [PMID: 33976724 PMCID: PMC8100790 DOI: 10.7150/jca.56097] [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: 11/08/2020] [Accepted: 03/17/2021] [Indexed: 11/18/2022] Open
Abstract
The co-chaperone protein CDC37 (Cell division cycle 37) is well known to regulate multiple protein kinases and involved in tumor progression. However to date, little is known about its analogue CDC37L1 (Cell division cycle 37 like 1) in tumorigenesis. This study aimed to explore the expression and function of CDC37L1 in gastric cancer (GC). The immunohistochemical staining in a tissue microarray showed a weak expression of CDC37L1 in high grade GC tissues compared with low grade tissues. Consistently, data from online database analysis demonstrated that CDC37L1 level was decreased in stage 4 patients and low expression of CDC37L1 indicated a poor prognosis. Functional studies revealed that CDC37L1 could inhibit GC cell proliferation and migration in CCK8, EdU incorporation, colony formation and transwell assays. In the meantime, CDC37L1 also inhibited the tumorigenicity of GC cells in nude mice. Mechanistically, we found that CDC37L1 had an impact on CDK6 protein expression by western blotting. Palbociclib, a specific CDK4/6 inhibitor, was discovered to block the rapid growth phenotype of GC cells induced by CDC37L1 silencing. Taken together, these findings unveiled a tumor-suppressive role of CDC37L1 in GC, and CDK6 may act as a downstream effector in this process.
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Affiliation(s)
- Li Li
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Xinyi Tao
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
- Department of Medical Experimental Techniques, Jinzhou Medical University, Jinzhou 121001, China
| | - Yandong Li
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Yong Gao
- Department of Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Qinchuan Li
- Department of Thoracic Surgery, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
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25
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Hypermethylated miR-424 in Colorectal Cancer Subsequently Upregulates VEGF. J Gastrointest Cancer 2021; 53:380-386. [PMID: 33675468 DOI: 10.1007/s12029-021-00614-0] [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] [Accepted: 02/22/2021] [Indexed: 10/22/2022]
Abstract
PURPOSE Colorectal cancer (CRC) is the second leading cause of death from cancer in adults. Recent advances have shown that cancer cells can have some epigenetic changes involved in all stages of cancer. It has also been shown that miR-424 acts as gene expression regulators in many biological processes, including angiogenesis with mediators such as VEGF. In the current study, to identify the potential role of miR-424 in colorectal cancer progression, methylation status of miR-424 promoter region and its expression level have been evaluated. Besides, the correlation between VEGF level and miR-424 expression level has been assessed. METHODS Methylation status miR-424 promoter was assessed using methylation-specific polymerase chain reaction (MSP). The expression level of miR-424 in human colorectal cancer tissue was analyzed by quantitative PCR. HCT116 cell line was selected to evaluate the correlation between the miR-424 expression level and the promoter's methylation status. VEGF expression, one out of mir-424 targets involved in angiogenesis and cancer progression, was measured by western blot analysis in the pairs of cancer tissues and their adjacent tissues. RESULTS Our results have revealed that the promoter region of miR-424 is methylated in cancer cells compared to normal cells, leading to downregulation of miR-424 in the colorectal cancer tissues compared to the normal tissues. Also, we found that the expression protein's level of VEGF in the tumor cells is increased compared with normal tissues. CONCLUSION The present study suggests that hypermethylation downregulates miR-424. VEGF expression is upregulated with decreased miR-424 in colorectal cancer, which results in cancer progression.
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26
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Bauer S, Ratz L, Heckmann-Nötzel D, Kaczorowski A, Hohenfellner M, Kristiansen G, Duensing S, Altevogt P, Klauck SM, Sültmann H. miR-449a Repression Leads to Enhanced NOTCH Signaling in TMPRSS2:ERG Fusion Positive Prostate Cancer Cells. Cancers (Basel) 2021; 13:964. [PMID: 33669024 PMCID: PMC7975324 DOI: 10.3390/cancers13050964] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 02/18/2021] [Accepted: 02/18/2021] [Indexed: 12/24/2022] Open
Abstract
About 50% of prostate cancer (PCa) tumors are TMPRSS2:ERG (T2E) fusion-positive (T2E+), but the role of T2E in PCa progression is not fully understood. We were interested in investigating epigenomic alterations associated with T2E+ PCa. Using different sequencing cohorts, we found several transcripts of the miR-449 cluster to be repressed in T2E+ PCa. This repression correlated strongly with enhanced expression of NOTCH and several of its target genes in TCGA and ICGC PCa RNA-seq data. We corroborated these findings using a cellular model with inducible T2E expression. Overexpression of miR-449a in vitro led to silencing of genes associated with NOTCH signaling (NOTCH1, HES1) and HDAC1. Interestingly, HDAC1 overexpression led to the repression of HES6, a negative regulator of the transcription factor HES1, the primary effector of NOTCH signaling, and promoted cell proliferation by repressing the cell cycle inhibitor p21. Inhibition of NOTCH as well as knockdown of HES1 reduced the oncogenic properties of PCa cell lines. Using tissue microarray analysis encompassing 533 human PCa cores, ERG-positive areas exhibited significantly increased HES1 expression. Taken together, our data suggest that an epigenomic regulatory network enhances NOTCH signaling and thereby contributes to the oncogenic properties of T2E+ PCa.
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Affiliation(s)
- Simone Bauer
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), and National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany; (S.B.); (D.H.-N.); (S.M.K.)
- Medical Faculty, Heidelberg University, 69120 Heidelberg, Germany
| | - Leonie Ratz
- Department of Obstetrics and Gynecology, University Hospital of Cologne, 50937 Cologne, Germany;
| | - Doreen Heckmann-Nötzel
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), and National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany; (S.B.); (D.H.-N.); (S.M.K.)
- Computer Assisted Medical Interventions, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Adam Kaczorowski
- Molecular Urooncology, Department of Urology, University Hospital Heidelberg, 69120 Heidelberg, Germany; (A.K.); (S.D.)
| | - Markus Hohenfellner
- Department of Urology, University Hospital Heidelberg and National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany;
| | - Glen Kristiansen
- Center for Integrated Oncology, Institute of Pathology, University of Bonn, 53127 Bonn, Germany;
| | - Stefan Duensing
- Molecular Urooncology, Department of Urology, University Hospital Heidelberg, 69120 Heidelberg, Germany; (A.K.); (S.D.)
- Department of Urology, University Hospital Heidelberg and National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany;
| | - Peter Altevogt
- Skin Cancer Unit, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany;
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Sabine M. Klauck
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), and National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany; (S.B.); (D.H.-N.); (S.M.K.)
| | - Holger Sültmann
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), and National Center for Tumor Diseases (NCT), 69120 Heidelberg, Germany; (S.B.); (D.H.-N.); (S.M.K.)
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27
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Yue X, Dong C, Ye Z, Zhu L, Zhang X, Wang X, Mo F, Li Z, Pan B. LncRNA SNHG7 sponges miR-449a to promote pituitary adenomas progression. Metab Brain Dis 2021; 36:123-132. [PMID: 32880813 DOI: 10.1007/s11011-020-00611-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 08/21/2020] [Indexed: 02/04/2023]
Abstract
This study aimed to characterize the expression status and potentially mechanistic involvement of SNHG7 in pituitary adenoma. Relative expression of SNHG7 and miR-449a was analyzed by real-time PCR. Cell viability was measured with Cell Counting Kit-8 (CCK-8). Cell apoptosis was determined by PI/Annexin V double staining followed by flow cytometry analysis. Cell invasion and migration were analyzed by wound healing and transwell assays, respectively. The regulatory action of miR-449a on SNHG7 was interrogated by luciferase reporter assay. We also investigated the pro-tumor activity of SNHG7 with the MMQ xenograft tumor mouse model. We identified the aberrant up-regulation of SNHG7 in pituitary adenoma both in vivo and in vitro, which associated with poor survival outcome. siRNA-mediated SNHG7-knockdown decreased cell viability, increased apoptosis and compromised migration and invasion. We further predicted and validated that SNHG7 negatively regulated miR-449a via sponging. Concurrent inhibition of miR-449a restored cell viability, apoptosis, migration and invasion influenced by SNHG7-deficiency. Most importantly, we demonstrated that SNHG7-silencing delayed xenograft tumor progression, which was accompanied with increased miR-449a and decreased Ki67 intensity. Our study highlighted the essential oncogenic properties of the SNHG7/miR-449a axis in pituitary adenoma.
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Affiliation(s)
- Xiongfei Yue
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Ce Dong
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Zhanying Ye
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Lin Zhu
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Xiaoyang Zhang
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Xiaoyan Wang
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Feng Mo
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Zheng Li
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China
| | - Baogen Pan
- Neurosurgery Department, Hebei General Hospital, NO.348 Heping West Road, Shijiazhuang, 050000, Hebei, China.
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Potter ML, Hill WD, Isales CM, Hamrick MW, Fulzele S. MicroRNAs are critical regulators of senescence and aging in mesenchymal stem cells. Bone 2021; 142:115679. [PMID: 33022453 PMCID: PMC7901145 DOI: 10.1016/j.bone.2020.115679] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 07/16/2020] [Accepted: 07/28/2020] [Indexed: 01/10/2023]
Abstract
MicroRNAs (miRNAs) have recently come under scrutiny for their role in various age-related diseases. Similarly, cellular senescence has been linked to disease and aging. MicroRNAs and senescence likely play an intertwined role in driving these pathologic states. In this review, we present the connection between these two drivers of age-related disease concerning mesenchymal stem cells (MSCs). First, we summarize key miRNAs that are differentially expressed in MSCs and other musculoskeletal lineage cells during senescence and aging. Additionally, we also reviewed miRNAs that are regulated via traditional senescence-associated secretory phenotype (SASP) cytokines in MSC. Lastly, we summarize miRNAs that have been found to target components of the cell cycle arrest pathways inherently activated in senescence. This review attempts to highlight potential miRNA targets for regenerative medicine applications in age-related musculoskeletal disease.
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Affiliation(s)
- Matthew L Potter
- Department of Orthopedics, Augusta University, Augusta, GA, United States of America
| | - William D Hill
- Medical University of South Carolina, Charleston, SC 29403, United States of America; Ralph H Johnson Veterans Affairs Medical Center, Charleston, SC, 29403, United States of America
| | - Carlos M Isales
- Department of Orthopedics, Augusta University, Augusta, GA, United States of America; Department of Medicine, Augusta University, Augusta, GA, United States of America; Institute of Healthy Aging, Augusta University, Augusta, GA, United States of America
| | - Mark W Hamrick
- Department of Orthopedics, Augusta University, Augusta, GA, United States of America; Institute of Healthy Aging, Augusta University, Augusta, GA, United States of America; Department of Cell Biology and Anatomy, Augusta University, Augusta, GA, United States of America
| | - Sadanand Fulzele
- Department of Orthopedics, Augusta University, Augusta, GA, United States of America; Department of Medicine, Augusta University, Augusta, GA, United States of America; Institute of Healthy Aging, Augusta University, Augusta, GA, United States of America; Department of Cell Biology and Anatomy, Augusta University, Augusta, GA, United States of America.
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Li B, Wang Z, Yang F, Huang J, Hu X, Deng S, Tian M, Si X. miR‑449a‑5p suppresses CDK6 expression to inhibit cardiomyocyte proliferation. Mol Med Rep 2020; 23:14. [PMID: 33179102 PMCID: PMC7673318 DOI: 10.3892/mmr.2020.11652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 09/02/2020] [Indexed: 12/27/2022] Open
Abstract
Induction of cardiomyocyte (CM) proliferation is a promising approach for cardiac regeneration following myocardial injury. MicroRNAs (miRs) have been reported to regulate CM proliferation. In particular, miR‑449a‑5p has been identified to be associated with CM proliferation in previous high throughput functional screening data. However, whether miR‑449a‑5p regulates CM proliferation has not been thoroughly investigated. This study aimed to explore whether miR‑449a‑5p modulates CM proliferation and to identify the molecular mechanism via which miR‑449a‑5p regulates CM proliferation. The current study demonstrated that miR‑449a‑5p expression levels were significantly increased during heart development. Furthermore, the results suggested that miR‑449a‑5p mimic inhibited CM proliferation <em>in vitro</em> as determined via immunofluorescence for ki67 and histone H3 phosphorylated at serine 10 (pH3), as well as the numbers of CMs. However, miR‑449a‑5p knockdown promoted CM proliferation. CDK6 was identified as a direct target gene of miR‑449a‑5p, and CDK6 mRNA and protein expression was suppressed by miR‑449a‑5p. Moreover, CDK6 gain‑of‑function increased CM proliferation. Overexpression of CDK6 also blocked the inhibitory effect of miR‑449a‑5p on CM proliferation, indicating that CDK6 was a functional target of miR‑449a‑5p in CM proliferation. In conclusion, miR‑449a‑5p inhibited CM proliferation by targeting CDK6, which provides a potential molecular target for preventing myocardial injury.
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Affiliation(s)
- Bing Li
- School of Medicine, Guizhou University, Guiyang, Guizhou 550025, P.R. China
| | - Zhi Wang
- Department of Emergency Medicine, Qingdao Municipal Hospital (Group), Qingdao, Shandong 266011, P.R. China
| | - Fan Yang
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Jing Huang
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Xingwei Hu
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Shiyan Deng
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Maobo Tian
- Department of Cardiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Xiaoyun Si
- Department of Cardiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
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Identification of the Key microRNAs and miRNA-mRNA Interaction Networks during the Ovarian Development of Hens. Animals (Basel) 2020; 10:ani10091680. [PMID: 32957620 PMCID: PMC7552605 DOI: 10.3390/ani10091680] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 12/15/2022] Open
Abstract
It is well-known that multiple functional miRNAs are found in mammals' ovaries, which are linked not only to ovarian development, but also to maturation and apoptosis. However, there is still a lack of knowledge regarding the role of miRNAs in the hen ovary. In the present study, we analyzed the miRNA sequencing libraries of ovaries at the four different developmental stages of hens (15, 20, 30, and 68 W) and a total of 677 known miRNAs and 61 novel miRNAs were identified. In total, 209 of them were differently expressed miRNAs (DE miRNAs) obtained from comparisons of the four stages, including 84 upregulated and 125 downregulated DE miRNAs. Furthermore, the five key DE miRNAs gga-miR-2954, gga-miR-6634-5p, gga-miR-449b-5p, gga-miR-449c-3p, and gga-miR449c-5p were screened using an analysis of the miRNA-mRNA interaction network and functional enrichment annotated in seven significantly enriched pathways, such as endocytosis, lysine degradation, the biosynthesis of amino acids, and the MAPK signaling pathway, which may primarily participate in cell differentiation and proliferation, steroid hormone biosynthesis, and angiogenesis by targeting the related genes. For instance, gga-miR-449 family members were predicted to target 15 genes, including TGFB1, TPM1, TPM3, and CAMKB2, which were reported to regulate follicular growth, selection, and the ovulatory cycle. Taken together, our results illustrate the ovarian miRNA profiles of the four classic developmental stages of hens and highlight the significant role of miRNAs in ovarian development and functions. However, in-depth research needs to be carried out to validate the potential functional miRNAs found in this study.
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Wang Z, Liu X, Liu X, Niu D. Long Non-Coding RNA BLACAT1 Promotes the Tumorigenesis of Gastric Cancer by Sponging microRNA-149-5p and Targeting KIF2A. Cancer Manag Res 2020; 12:6629-6640. [PMID: 32801897 PMCID: PMC7402705 DOI: 10.2147/cmar.s258178] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/09/2020] [Indexed: 12/14/2022] Open
Abstract
Objective Gastric cancer (GC) is a gastrointestinal tumor. This study is aimed to explore the regulatory mechanism of long non-coding RNA BLACAT1 (BLACAT1)/microRNA-149-5p (miR-149-5p)/KIF2A cascade on GC. Methods The expression of BLACAT1, miR-149-5p and KIF2A in GC was detected by qRT-PCR. The proliferation, migration and invasion of GC cells in vitro were analyzed by MTT, wound-healing and transwell assay, respectively. The xenograft tumor model was constructed in nude mice to confirm the inhibition effect of BLACAT1 knockdown on GC in vivo. Then, dual-luciferase reporter assay was used to detect the interactions among BLACAT1, miR-149-5p and KIF2A. Western blot assay was performed to determine the protein expression of KIF2A. Results The expression of BLACAT1 and KIF2A was up-regulated in GC, but miR-149-5p expression was down-regulated. Silencing of BLACAT1 retarded the proliferation, migration and invasion of GC cells in vitro and the growth of tumor xenograft in vivo. Moreover, BLACAT1 acted as the molecular sponge of miR-149-5p to up-regulate KIF2A expression. At last, feedback experiments suggested that BLACAT1 accelerated the proliferation, migration and invasion of GC cells by regulating miR-149-5p/KIF2A axis. Conclusion BLACAT1 facilitated the tumorigenesis of GC through regulating miR-149-5p/KIF2A axis, which indicated BLACAT1/miR-149-5p/KIF2A cascade may be a new therapeutic target.
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Affiliation(s)
- Zhengkun Wang
- Department of Gastrointestinal Surgery, Affiliated Hospital of Qingdao University, Qingdao City, Shandong Province 266000, People's Republic of China
| | - Xichun Liu
- Department of Gastrointestinal Surgery, Affiliated Hospital of Qingdao University, Qingdao City, Shandong Province 266000, People's Republic of China
| | - Xiaolei Liu
- Department of General Surgery, Affiliated Hospital of Qingdao University, Qingdao City, Shandong Province 266000, People's Republic of China
| | - Dongguang Niu
- Department of Gastrointestinal Surgery, Affiliated Hospital of Qingdao University, Qingdao City, Shandong Province 266000, People's Republic of China
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Ebrahimi Ghahnavieh L, Tabatabaeian H, Ebrahimi Ghahnavieh Z, Honardoost MA, Azadeh M, Moazeni Bistgani M, Ghaedi K. Fluctuating expression of miR-584 in primary and high-grade gastric cancer. BMC Cancer 2020; 20:621. [PMID: 32615958 PMCID: PMC7345521 DOI: 10.1186/s12885-020-07116-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 06/25/2020] [Indexed: 12/24/2022] Open
Abstract
Background Gastric cancer is the fifth most common cancer worldwide. Along with environmental factors, such as Helicobacter pylori (H. pylori) infection, genetic changes play important roles in gastric tumor formations. miR-584 is a less well-characterized microRNA (miRNA), with apparent activity in human cancers. However, miR-584 expression pattern in gastric cancer development has remained unclear. This study aims to analyze the expression of miR-584 in gastric cancer samples and investigates the associations between this miRNA and H. pylori infection and clinical characteristics. Methods The expression level of miR-584 was studied in primary gastric cancers versus healthy control gastric mucosa samples using the RT-qPCR method. The clinical data were analyzed statistically in terms of miR-584 expression. In silico studies were employed to study miR-584 more broadly in order to assess its expression and find new potential target genes. Results Both experimental and in silico studies showed up-regulation of miR-584 in patients with gastric cancer. This up-regulation seems to be induced by H. pylori infection since the infected samples showed increased levels of miR-584 expression. Deeper analyses revealed that miR-584 undergoes a dramatic down-regulation in late stages, invasive and lymph node-metastatic gastric tumors. Bioinformatics studies demonstrated that miR-584 has a substantial role in cancer pathways and has the potential to target STAT1 transcripts. Consistent with the inverse correlation between TCGA RNA-seq data of miR-584 and STAT1 transcripts, the qPCR analysis showed a significant negative correlation between these two RNAs in a set of clinical samples. Conclusion miR-584 undergoes up-regulation in the stage of primary tumor formation; however, becomes down-regulated upon the progression of gastric cancer. These findings suggest the potential of miR-584 as a diagnostic or prognostic biomarker in gastric cancer.
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Affiliation(s)
| | - Hossein Tabatabaeian
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran. .,Anahid Cancer Clinic, Isfahan Healthcare City, Isfahan, Iran.
| | - Zhaleh Ebrahimi Ghahnavieh
- Department of Medical Education, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammad Amin Honardoost
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | | | - Mohamad Moazeni Bistgani
- Department of Surgery, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Kamran Ghaedi
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran. .,Department of Cellular Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran.
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Jiang N, Pan W, Li J, Cao T, Shen H. Upregulated Circular RNA hsa_circ_0008433 Regulates Pathogenesis in Endometriosis Via miRNA. Reprod Sci 2020; 27:2002-2017. [PMID: 32548806 DOI: 10.1007/s43032-020-00219-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 05/18/2020] [Indexed: 12/27/2022]
Abstract
circRNAs (circular RNAs) play important roles in the development of endometriosis. This study aimed to explore the functions of circRNAs on endometriosis. Two ectopic, two paired eutopic, and two normal endometrial tissue samples were collected for RNA-seq to obtain circRNA profiles and construct a circRNA-miRNA-mRNA network. The validation of 9 circRNAs in 15 patients was assessed by qRT-PCR. We selected hsa_circ_0008433 as the potential biomarker, followed by examining cell proliferation, colony formation, migration, angiopoiesis, cell cycle, and apoptosis. Furthermore, the expression of apoptosis-related proteins was detected using immunofluorescence (IF) and Western blotting. Bioinformatic analysis was used to select the potential target miRNA and genes of hsa_circ_0008433. A total of 209 upregulated and 117 downregulated differentially expressed circRNAs were identified from the eutopic and ectopic endometrial tissue samples. Eight circRNA levels were significantly increased in ectopic endometrial tissue sample compared with eutopic endometrial tissue. The hsa_circ_0008433 knockdown inhibited endometrial stromal cell proliferation, migration, colony formation, and angiopoiesis; promoted cell apoptosis; and downregulated Ki67 and PCNA expression levels. Moreover, the hsa_circ_0008433 knockdown increased Bax and E-CAD expression and decreased Bcl2, CDKN1B, and CyclinD1 levels. Ten potential target miRNAs of hsa_circ_0008433 were selected, and six of them occur significantly aberrant in hsa_circ_0008433-expressing cells. Increased hsa_circ_0008433 levels regulate epithelial mesenchymal transition (EMT) in endometriosis through the circRNA-miRNA-mRNA axis.
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Affiliation(s)
- Nan Jiang
- The First Affiliated Hospital, Sun Yat-Sen University, No. 58 Zhongshan Second Road, Guangzhou, 510080, Guangdong, China
| | - Wenwei Pan
- The First Affiliated Hospital, Sun Yat-Sen University, No. 58 Zhongshan Second Road, Guangzhou, 510080, Guangdong, China
| | - Jinhui Li
- The First Affiliated Hospital, Sun Yat-Sen University, No. 58 Zhongshan Second Road, Guangzhou, 510080, Guangdong, China
| | - Tiefeng Cao
- The First Affiliated Hospital, Sun Yat-Sen University, No. 58 Zhongshan Second Road, Guangzhou, 510080, Guangdong, China
| | - Huimin Shen
- The First Affiliated Hospital, Sun Yat-Sen University, No. 58 Zhongshan Second Road, Guangzhou, 510080, Guangdong, China.
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Lee TY, Huang KY, Chuang CH, Lee CY, Chang TH. Incorporating deep learning and multi-omics autoencoding for analysis of lung adenocarcinoma prognostication. Comput Biol Chem 2020; 87:107277. [PMID: 32512487 DOI: 10.1016/j.compbiolchem.2020.107277] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 04/30/2020] [Indexed: 12/25/2022]
Abstract
Lung cancer is the most occurring cancer type, and its mortality rate is also the highest, among them lung adenocarcinoma (LUAD) accounts for about 40 % of lung cancer. There is an urgent need to develop a prognosis prediction model for lung adenocarcinoma. Previous LUAD prognosis studies only took single-omics data, such as mRNA or miRNA, into consideration. To this end, we proposed a deep learning-based autoencoding approach for combination of four-omics data, mRNA, miRNA, DNA methylation and copy number variations, to construct an autoencoder model, which learned representative features to differentiate the two optimal patient subgroups with a significant difference in survival (P = 4.08e-09) and good consistency index (C-index = 0.65). The multi-omics model was validated though four independent datasets, i.e. GSE81089 for mRNA (n = 198, P = 0.0083), GSE63805 for miRNA (n = 32, P = 0.018), GSE63384 for DNA methylation (n = 35, P = 0.009), and TCGA independent samples for copy number variations (n = 94, P = 0.0052). Finally, a functional analysis was performed on two survival subgroups to discover genes involved in biological processes and pathways. This is the first study incorporating deep autoencoding and four-omics data to construct a robust survival prediction model, and results show the approach is useful at predicting LUAD prognostication.
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Affiliation(s)
- Tzong-Yi Lee
- Warshel Institute for Computational Biology, The Chinese University of Hong Kong, Shenzhen, China; School of Life and Health Science, The Chinese University of Hong Kong, Shenzhen, China; School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China.
| | - Kai-Yao Huang
- Warshel Institute for Computational Biology, The Chinese University of Hong Kong, Shenzhen, China; School of Life and Health Science, The Chinese University of Hong Kong, Shenzhen, China; School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, China.
| | - Cheng-Hsiang Chuang
- Department of Computer Science and Engineering, Yuan Ze University, Taoyuan 320, Taiwan.
| | - Cheng-Yang Lee
- Graduate Institute of Biomedical Informatics, Taipei Medical University, Taipei City, Taiwan.
| | - Tzu-Hao Chang
- Graduate Institute of Biomedical Informatics, Taipei Medical University, Taipei City, Taiwan; Clinical Big Data Research Center, Taipei Medical University Hospital, Taipei City, Taiwan.
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Ahadi A. Dysregulation of miRNAs as a signature for diagnosis and prognosis of gastric cancer and their involvement in the mechanism underlying gastric carcinogenesis and progression. IUBMB Life 2020; 72:884-898. [DOI: 10.1002/iub.2259] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 02/08/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Alireza Ahadi
- Department of Medical Genetics, School of MedicineShahid Beheshti University of Medical Sciences Tehran Iran
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Role of Non-Coding RNAs in Lung Circadian Clock Related Diseases. Int J Mol Sci 2020; 21:ijms21083013. [PMID: 32344623 PMCID: PMC7215637 DOI: 10.3390/ijms21083013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 02/06/2023] Open
Abstract
Circadian oscillations are regulated at both central and peripheral levels to maintain physiological homeostasis. The central circadian clock consists of a central pacemaker in the suprachiasmatic nucleus that is entrained by light dark cycles and this, in turn, synchronizes the peripheral clock inherent in other organs. Circadian dysregulation has been attributed to dysregulation of peripheral clock and also associated with several diseases. Components of the molecular clock are disrupted in lung diseases like chronic obstructive pulmonary disease (COPD), asthma and IPF. Airway epithelial cells play an important role in temporally organizing magnitude of immune response, DNA damage response and acute airway inflammation. Non-coding RNAs play an important role in regulation of molecular clock and in turn are also regulated by clock components. Dysregulation of these non-coding RNAs have been shown to impact the expression of core clock genes as well as clock output genes in many organs. However, no studies have currently looked at the potential impact of these non-coding RNAs on lung molecular clock. This review focuses on the ways how these non-coding RNAs regulate and in turn are regulated by the lung molecular clock and its potential impact on lung diseases.
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Kawasaki H, Takeuchi T, Ricciardiello F, Lombardi A, Biganzoli E, Fornili M, De Bortoli D, Mesolella M, Cossu AM, Scrima M, Capasso R, Falco M, Motta G, Motta G, Testa D, De Luca S, Oliva F, Abate T, Mazzone S, Misso G, Caraglia M. Definition of miRNA Signatures of Nodal Metastasis in LCa: miR-449a Targets Notch Genes and Suppresses Cell Migration and Invasion. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 20:711-724. [PMID: 32402942 PMCID: PMC7218231 DOI: 10.1016/j.omtn.2020.04.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 04/08/2020] [Accepted: 04/17/2020] [Indexed: 01/14/2023]
Abstract
Laryngeal cancer (LCa), a neoplasm of the head and neck region, is a leading cause of death worldwide. Surgical intervention remains the mainstay of LCa treatment, but a crucial point is represented by the possible nodal involvement. Therefore, it is urgently needed to develop biomarkers and therapeutic tools able to drive treatment approaches for LCa. In this study, we investigated deregulated microRNAs (miRNAs) in tissues from LCa patients with either lymph node metastases (N+) or not (N−). miRNA expression profiling was performed by a comprehensive PCR array and subsequent validation by RT-qPCR. Results showed a significant decrease of miR-449a expression in N+ compared to N− patients, and miR-133b down-modulation in LCa tissues compared to paired normal ones. Receiver operating characteristic (ROC) curve analysis revealed the potential diagnostic power of miR-133b for LCa detection. According to the validation results, we selected miR-449a for further in vitro studies. Ectopic miR-449a expression in the LCa cell line Hep-2 inhibited invasion and motility in vitro, slowed cell proliferation, and induced the downregulation of Notch1 and Notch2 as direct targets of miR-449a. Collectively, this study provides new promising biomarkers for LCa diagnosis and a new opportunity to use miR-449a for the treatment of nodal metastases in LCa patients.
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Affiliation(s)
- Hiromichi Kawasaki
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy; Drug Discovery Laboratory, Wakunaga Pharmaceutical, Hiroshima, Japan
| | - Takashi Takeuchi
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy; Molecular Diagnostics Division, Wakunaga Pharmaceutical, Hiroshima, Japan
| | | | - Angela Lombardi
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Elia Biganzoli
- Unit of Medical Statistics, Biometry and Bioinformatics "Giulio A. Maccacaro," Department of Clinical Sciences and Community Health & DSRC, University of Milan Campus Cascina Rosa, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Marco Fornili
- Unit of Medical Statistics, Biometry and Bioinformatics "Giulio A. Maccacaro," Department of Clinical Sciences and Community Health & DSRC, University of Milan Campus Cascina Rosa, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Davide De Bortoli
- Unit of Medical Statistics, Biometry and Bioinformatics "Giulio A. Maccacaro," Department of Clinical Sciences and Community Health & DSRC, University of Milan Campus Cascina Rosa, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy
| | - Massimo Mesolella
- Ear, Nose, and Throat Unit, AORN "Antonio Cardarelli," Naples, Italy
| | - Alessia Maria Cossu
- IRGS, Biogem, Molecular Oncology and Precision Medicine Laboratory, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Marianna Scrima
- IRGS, Biogem, Molecular Oncology and Precision Medicine Laboratory, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Rosanna Capasso
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Michela Falco
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Giovanni Motta
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Gaetano Motta
- Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Domenico Testa
- Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Stefania De Luca
- Department of Mental and Physical Health and Preventive Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy
| | - Flavia Oliva
- Ear, Nose, and Throat Unit, AORN "Antonio Cardarelli," Naples, Italy
| | - Teresa Abate
- Ear, Nose, and Throat Unit, AORN "Antonio Cardarelli," Naples, Italy
| | - Salvatore Mazzone
- Ear, Nose, and Throat Unit, AORN "Antonio Cardarelli," Naples, Italy
| | - Gabriella Misso
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy.
| | - Michele Caraglia
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy; IRGS, Biogem, Molecular Oncology and Precision Medicine Laboratory, Via Camporeale, 83031 Ariano Irpino, Italy.
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Oduah EI, Grossman SR. Harnessing the vulnerabilities of p53 mutants in lung cancer - Focusing on the proteasome: a new trick for an old foe? Cancer Biol Ther 2020; 21:293-302. [PMID: 32041464 PMCID: PMC7515531 DOI: 10.1080/15384047.2019.1702403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 11/02/2019] [Accepted: 12/01/2019] [Indexed: 12/25/2022] Open
Abstract
Gain-of-function (GOF) p53 mutations occur commonly in human cancer and lead to both loss of p53 tumor suppressor function and acquisition of aggressive cancer phenotypes. The oncogenicity of GOF mutant p53 is highly related to its abnormal protein stability relative to wild type p53, and overall stoichiometric excess. We provide an overview of the mechanisms of dysfunction and abnormal stability of GOF p53 specifically in lung cancer, the leading cause of cancer-related mortality, where, depending on histologic subtype, 33-90% of tumors exhibit GOF p53 mutations. As a distinguishing feature and oncogenic mechanism in lung and many other cancers, GOF p53 represents an appealing and cancer-specific therapeutic target. We review preclinical evidence demonstrating paradoxical depletion of GOF p53 by proteasome inhibitors, as well as preclinical and clinical studies of proteasome inhibition in lung cancer. Finally, we provide a rationale for a reexamination of proteasome inhibition in lung cancer, focusing on tumors expressing GOF p53 alleles.
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Affiliation(s)
- Eziafa I. Oduah
- Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Steven R. Grossman
- Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, USA
- VCU Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, USA
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39
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Predicting potential miRNA-disease associations by combining gradient boosting decision tree with logistic regression. Comput Biol Chem 2020; 85:107200. [DOI: 10.1016/j.compbiolchem.2020.107200] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 01/04/2020] [Accepted: 01/05/2020] [Indexed: 12/19/2022]
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40
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Setty BA, Jinesh GG, Arnold M, Pettersson F, Cheng CH, Cen L, Yoder SJ, Teer JK, Flores ER, Reed DR, Brohl AS. The genomic landscape of undifferentiated embryonal sarcoma of the liver is typified by C19MC structural rearrangement and overexpression combined with TP53 mutation or loss. PLoS Genet 2020; 16:e1008642. [PMID: 32310940 PMCID: PMC7192511 DOI: 10.1371/journal.pgen.1008642] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 04/30/2020] [Accepted: 01/31/2020] [Indexed: 12/30/2022] Open
Abstract
Undifferentiated embryonal sarcoma of the liver (UESL) is a rare and aggressive malignancy. Though the molecular underpinnings of this cancer have been largely unexplored, recurrent chromosomal breakpoints affecting a noncoding region on chr19q13, which includes the chromosome 19 microRNA cluster (C19MC), have been reported in several cases. We performed comprehensive molecular profiling on samples from 14 patients diagnosed with UESL. Congruent with prior reports, we identified structural variants in chr19q13 in 10 of 13 evaluable tumors. From whole transcriptome sequencing, we observed striking expressional activity of the entire C19MC region. Concordantly, in 7 of 7 samples undergoing miRNAseq, we observed hyperexpression of the miRNAs within this cluster to levels >100 fold compared to matched normal tissue or a non-C19MC amplified cancer cell line. Concurrent TP53 mutation or copy number loss was identified in all evaluable tumors with evidence of C19MC overexpression. We find that C19MC miRNAs exhibit significant negative correlation to TP53 regulatory miRNAs and K-Ras regulatory miRNAs. Using RNA-seq we identified that pathways relevant to cellular differentiation as well as mRNA translation machinery are transcriptionally enriched in UESL. In summary, utilizing a combination of next-generation sequencing and high-density arrays we identify the combination of C19MC hyperexpression via chromosomal structural event with TP53 mutation or loss as highly recurrent genomic features of UESL.
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Affiliation(s)
- Bhuvana A. Setty
- Division of Hematology/Oncology/BMT, Nationwide Children’s Hospital, Columbus, Ohio, United States of America
- Department of Pediatrics, The Ohio State University Wexner Medical Center Columbus, Ohio, United States of America
| | - Goodwin G. Jinesh
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center, Florida, United States of America
| | - Michael Arnold
- Department of Pathology and Laboratory Medicine, Nationwide Children's Hospital, Columbus, Ohio, United States of America
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States of America
| | - Fredrik Pettersson
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Chia-Ho Cheng
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Ling Cen
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Sean J. Yoder
- Molecular Genomics Core Facility, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Jamie K. Teer
- Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Elsa R. Flores
- Department of Molecular Oncology, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Damon R. Reed
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center, Florida, United States of America
- Adolescent and Young Adult Program, Moffitt Cancer Center, Tampa, Florida, United States of America
- Sarcoma Department, Moffitt Cancer Center, Tampa, Florida, United States of America
| | - Andrew S. Brohl
- Chemical Biology and Molecular Medicine Program, Moffitt Cancer Center, Florida, United States of America
- Sarcoma Department, Moffitt Cancer Center, Tampa, Florida, United States of America
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41
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Fu W, Liu Z, Zhang J, Shi Y, Zhao R, Zhao H. Effect of miR-144-5p on the proliferation, migration, invasion and apoptosis of human umbilical vein endothelial cells by targeting RICTOR and its related mechanisms. Exp Ther Med 2020; 19:1817-1823. [PMID: 32104237 PMCID: PMC7027162 DOI: 10.3892/etm.2019.8369] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 10/08/2019] [Indexed: 12/21/2022] Open
Abstract
The purpose of the present study was to investigate the effect of microRNA (miR)-144-5p on human umbilical vein endothelial cells (HUVECs) to explore the role of miR-144-5p in atherosclerosis. miR-144-5p expression was upregulated in HUVECs using miR-144-5p mimics. The relative expression level of miR-144-5p in HUVECs was detected using reverse transcription-quantitative PCR (RT-qPCR). Cell proliferation was detected by performing an MTT assay. Apoptosis was determined via flow cytometry. Cell migration ability was detected by a wound-healing assay. Cell invasion was determined by a transwell assay. The protein levels of phosphorylated (p)-PI3K, p-Akt and endothelial nitric oxide synthase (eNOS) were detected using western blot analysis. The binding sites between miR-144-5p and 3'-untranslated region of rapamycin-insensitive companion of mTOR (RICTOR) mRNA were predicted by TargetScan and confirmed by a dual luciferase reporter assay. The present study showed that miR-144-5p mimics significantly inhibited cell proliferation and induced apoptosis in HUVECs. In addition, miR-144-5p mimics could suppress migration and invasion of HUVECs. Further analysis identified that RICTOR was a direct target gene of miR-144-5p. Moreover, miR-144-5p upregulation decreased the protein level of p-PI3K, p-Akt and eNOS. In conclusion, miR-144-5p regulated HUVEC proliferation, migration, invasion, and apoptosis through affecting the PI3K-Akt-eNOS signaling pathway by altering the expression of RICTOR. These results indicated that miR-144-5p may be a potential target for the prevention and treatment of atherosclerosis.
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Affiliation(s)
- Wei Fu
- Department of Cardiology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Zidong Liu
- Department of Cardiology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Jing Zhang
- Department of Cardiology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Yuxue Shi
- Department of Cardiology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Ruiyao Zhao
- Department of Cardiology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
| | - Heng Zhao
- Department of Cardiology, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121000, P.R. China
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Rossi M, Gorospe M. Noncoding RNAs Controlling Telomere Homeostasis in Senescence and Aging. Trends Mol Med 2020; 26:422-433. [PMID: 32277935 DOI: 10.1016/j.molmed.2020.01.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 12/23/2019] [Accepted: 01/21/2020] [Indexed: 12/12/2022]
Abstract
Aging is a universal and time-dependent biological decline associated with progressive deterioration of cells, tissues, and organs. Age-related decay can eventually lead to pathology such as cardiovascular and neurodegenerative diseases, cancer, and diabetes. A prominent molecular process underlying aging is the progressive shortening of telomeres, the structures that protect the ends of chromosomes, eventually triggering cellular senescence. Noncoding (nc)RNAs are emerging as major regulators of telomere length homeostasis. In this review, we describe the impact of ncRNAs on telomere function and discuss their implications in senescence and age-related diseases. We discuss emerging therapeutic strategies targeting telomere-regulatory ncRNAs in aging pathology.
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Affiliation(s)
- Martina Rossi
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, Maryland 21224, USA.
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林 爱, 卜 文, 汪 萍, 高 继, 杨 建, 丁 飞, 李 铁. [miR-449a/b negatively regulates E2F1 to suppress proliferation of gastric cancer cells]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2020; 40:13-19. [PMID: 32376557 PMCID: PMC7040752 DOI: 10.12122/j.issn.1673-4254.2020.01.03] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To investigate the possible role of miR-449a/b in the occurrence of gastric cancer. METHODS The expression of miR-449a/b and E2F1 mRNA in gastric cancer cells BGC-823 and gastric mucosal cells GES-1 were detected with qRT-PCR. miR-449a/b mimics or a negative control was transiently transfected into BGC-823 cells, and the changes in cell proliferation, apoptosis, and migration ability were assessed using CCK-8 assay, flow cytometry, and scratch wound healing assay, respectively. Western blotting was used to observe the effects of miR-449a/b upregulation on its target gene expression. The effects of transfection with an E2F1-over-expressing plasmid or an empty plasmid were analyzed on the expression level of miR-449a/b in BGC-823 cells using qRT-PCR and digital PCR. RESULTS The gastric cancer cell line BGC-823 showed significantly a lowered expression of miR-449a/b compared with the normal gastric mucosal cell line GES-1 (P < 0.01). Overexpression of miR-449a/b obviously inhibited the proliferation and migration and promoted apoptosis of BGC-823 cells (P < 0.05). Overexpression E2F1 in the cells resulted in significantly up-regulated expression of miR-449a/b (P < 0.001). Upregulation of miR-449a/b caused significant down-regulation of its direct target genes CDK4 and CDK6 and also of the expression of E2F1 protein via the CDKs-pRb-E2F1 signaling pathway. CONCLUSIONS The low expression of miR-449a/b and the high expression of E2F1 are both involved in the occurrence and progression of gastric cancer, and miR-449a/b negatively regulates E2F1 to inhibit the proliferation of gastric cancer cells.
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Affiliation(s)
- 爱琴 林
- 皖南医学院 医学生物学教研室,安徽 芜湖 241002Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
| | - 文婕 卜
- 皖南医学院 医学生物学教研室,安徽 芜湖 241002Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
| | - 萍 汪
- 皖南医学院 医学生物学教研室,安徽 芜湖 241002Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
| | - 继光 高
- 皖南医学院 医学生物学教研室,安徽 芜湖 241002Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
| | - 建课 杨
- 皖南医学院 医学生物学教研室,安徽 芜湖 241002Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
| | - 飞雨 丁
- 皖南医学院 临床医学院,安徽 芜湖 241002Clinical College of Medicine, Wannan Medical College, Wuhu 241002, China
| | - 铁臣 李
- 皖南医学院 医学生物学教研室,安徽 芜湖 241002Department of Medical Biology, Wannan Medical College, Wuhu 241002, China
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Hou Y, Feng F, Yang R. Effect of miR‑449a‑mediated Notch signaling pathway on the proliferation, apoptosis and invasion of papillary thyroid carcinoma cells. Oncol Rep 2019; 43:471-480. [PMID: 31894345 PMCID: PMC6967094 DOI: 10.3892/or.2019.7443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 11/15/2019] [Indexed: 01/21/2023] Open
Abstract
The present study aimed to investigate the effect of miR‑449a‑mediated Notch signaling pathway on the proliferation, apoptosis and invasion of papillary thyroid carcinoma cells. Human papillary thyroid carcinoma cell line TPC‑1 was selected, and cells were grouped and transfected: Control group (without any treatment), negative control (NC) group (transfection with NC plasmid), miR‑449a mimic group (transfection with miR‑449a mimic), miR‑449a inhibitor group (transfection with miR‑449a inhibitor), DAPT group (addition of γ‑secretase inhibitor DAPT to inhibit the Notch signaling pathway), and miR‑449a inhibitor + DAPT group (transfection with miR‑449a inhibitor and addition of DAPT). The target relationship between miR‑449a and Notch1 was detected by dual‑luciferase reporter assay. qRT‑PCR and western blotting were used to assess the expression of miR‑449a, Notch1 and Jagged1 in cells. Cell proliferation was detected using EdU; the cell cycle and apoptosis were detected by flow cytometry; cell invasion ability was detected by Transwell assay. PCNA, MMP‑2, MMP‑9, Bcl‑2 and Bax mRNA and protein expression were assessed by qRT‑PCR and western blotting. The results revealed that miR‑449a negatively regulated Notch1. Compared with the control group, there was significantly increased miR‑449a expression in the miR‑449a mimic group, and there was significantly decreased expression of Notch1, Jagged1, PCNA, MMP‑2, MMP‑9 and Bcl‑2, increased Bax, reduced cell proliferation, increased G1‑phase cell fraction, decreased S‑phase cell fraction, an increased apoptosis rate, and decreased invasion ability in the miR‑449a mimic group and DAPT group (all P<0.05). However, the results in the miR‑449a inhibitor group were the opposite of those in miR‑449a mimic group (all P<0.05). There was no significant difference in cell proliferation, apoptosis and invasion in the NC group and miR‑449a inhibitor + DAPT group compared to the control group (all P>0.05). miR‑449a overexpression can inhibit Notch signaling pathway, thereby inhibiting the proliferation and invasion of papillary thyroid carcinoma cells and promoting cell apoptosis.
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Affiliation(s)
- Yujie Hou
- Department of Endocrinology, Second People's Hospital of Guilin, Guilin, Guangxi Zhuang Autonomous Region 541002, P.R. China
| | - Feiling Feng
- Department of Pathophysiology, Guilin Medical University, Guilin, Guangxi Zhuang Autonomous Region 541001, P.R. China
| | - Ronghua Yang
- Department of Internal Medicine, Guilin Medical University, Guilin, Guangxi Zhuang Autonomous Region 541002, P.R. China
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Han B, Huang J, Yang Z, Zhang J, Wang X, Xu N, Meng H, Wu J, Huang Q, Yang X, Shen R, Sun C. miR-449a Is Related to Short-Term Recurrence of Hepatocellular Carcinoma and Inhibits Migration and Invasion by Targeting Notch1. Onco Targets Ther 2019; 12:10975-10987. [PMID: 31853185 PMCID: PMC6916688 DOI: 10.2147/ott.s216997] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 11/19/2019] [Indexed: 12/23/2022] Open
Abstract
PURPOSE To explore the effect of miR-449a inhibits migration and invasion by targeting Notch1 and regulating epithelial-mesenchymal transition (EMT) in hepatocellular carcinoma (HCC), and further study on the molecular mechanism. PATIENTS AND METHODS The expression of miR-449a and Notch1 in HCC cells and tissues was detected by qRT-PCR. The HCC cell line HCCLM3 and SMMC-7721 were transfected with miR-449a. The invasion and migration of HCC cell lines were detected by transwell assay and wound healing assay. The Notch pathway and EMT related protein were detected with Western Blotting. The specific binding site of mir-449a on notch1 gene was detected by luciferase assay. RESULTS We found the expression of miR-449a was related to short-term recurrence of hepatocellular carcinoma after hepatectomy and acted as independent risk factors of DFS and OS. The expression of miR-449a decreased in tumor tissues and HCC cell lines, but the expression of Notch1 increased. The overexpressed miR-449a promoted the invasiveness in vitro by regulating EMT via Notch pathway. Mechanically, miR-449a inhibited the translation of Notch1 protein by binding to 3' UTR of its mRNA directly. CONCLUSION miR-449a is short-term recurrence-related miRNA and inhibits the invasion and metastasis ability of HCC cells by regulating EMT via Notch pathway. miR-449a may be a new effective therapeutic target for HCC.
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Affiliation(s)
- Bing Han
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Hospital of Qingdao University, Qingdao City266003, Shandong Province, People’s Republic of China
- Asian Liver Center, Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Jiawei Huang
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Zhenjie Yang
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Hospital of Qingdao University, Qingdao City266003, Shandong Province, People’s Republic of China
| | - Jiaqi Zhang
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Xiaomin Wang
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Ning Xu
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Haining Meng
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Junyu Wu
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Qiao Huang
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Xi Yang
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Ruowu Shen
- Department of Special Medicine, School of Basic Medical College, Qingdao University, Qingdao City266021, Shandong Province, People’s Republic of China
| | - Chuandong Sun
- Department of Hepatobiliary and Pancreatic Surgery, The Affiliated Hospital of Qingdao University, Qingdao City266003, Shandong Province, People’s Republic of China
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Duan A, Kong L, An T, Zhou H, Yu C, Li Y. Star-PAP regulates tumor protein D52 through modulating miR-449a/34a in breast cancer. Biol Open 2019; 8:bio.045914. [PMID: 31649118 PMCID: PMC6899025 DOI: 10.1242/bio.045914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Tumor protein D52 (TPD52) is an oncogene amplified and overexpressed in various cancers. Tumor-suppressive microRNA-449a and microRNA-34a (miR-449a/34a) were recently reported to inhibit breast cancer cell migration and invasion via targeting TPD52. However, the upstream events are not clearly defined. Star-PAP is a non-canonical poly (A) polymerase which could regulate the expression of many miRNAs and mRNAs, but its biological functions are not well elucidated. The present study aimed to explore the regulative roles of Star-PAP in miR-449a/34a and TPD52 expression in breast cancer. We observed a negative correlation between the expression of TPD52 and Star-PAP in breast cancer. Overexpression of Star-PAP inhibited TPD52 expression, while endogenous Star-PAP knockdown led to increased TPD52. Furthermore, RNA immunoprecipitation assay suggested that Star-PAP could not bind to TPD52, independent of the 3′-end processing. RNA pull-down assay showed that Star-PAP could bind to 3′region of miR-449a. In line with these results, blunted cell proliferation or cell apoptosis caused by Star-PAP was rescued by overexpression of TPD52 or downregulation of miR-449a/34a. Our findings identified that Star-PAP regulates TPD52 by modulating miR-449a/34a, which may be an important molecular mechanism underlying the tumorigenesis of breast cancer and provide a rational therapeutic target for breast cancer treatment. Summary: Star-PAP is an important regulator of miR-449a/34a and was first identified indirectly regulating TPD52 via modulating miR-449a/34a. Furthermore, Star-PAP-miR-449a/34a-TPD52 axis is involved in proliferation and apoptosis of breast cancer cells.
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Affiliation(s)
- Aizhu Duan
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Lingmei Kong
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P.R. China
| | - Tao An
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P.R. China
| | - Hongyu Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P.R. China
| | - Chunlei Yu
- Institute of Materia Medica, School of Pharmacy, North Sichuan Medical College, Nanchong, Sichuan, 637100, P.R. China
| | - Yan Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, P.R. China
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Yang J, Song H. Identification of long noncoding RNA RP11-169F17.1 and RP11-669N7.2 as novel prognostic biomarkers of stomach adenocarcinoma based on integrated bioinformatics analysis. Epigenomics 2019; 11:1307-1321. [PMID: 31368349 DOI: 10.2217/epi-2019-0115] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Aim: We aim to identify differentially expressed long noncoding RNAs (lncRNAs) and explored their functional roles in stomach adenocarcinoma. Materials & methods: Based on public omics data, we identified disregulated lncRNAs and investigated their prognostic values and potential functions based on ceRNA hypothesis. Results: Among the 52 differentially expressed lncRNAs, upregulated RP11-169F17.1 and RP11-669N7.2 were significantly associated with both poor overall survival and disease-free survival. RP11-169F17.1 and RP11-669N7.2 strongly correlated with microRNAs in cancer, cell proliferation and differentiation. RP11-169F17.1 and RP11-669N7.2 closely related to Helicobacter pylori infection-induced gastritis, duodenal ulcer, gastric cancer and mucosa-associated lymphoid tissue lymphoma. Conclusion: RP11-169F17.1 and RP11-669N7.2 act as novel prognostic biomarkers of stomach adenocarcinoma and may also play an important role in H. pylori infection-induced gastric diseases.
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Affiliation(s)
- Jue Yang
- The Key Laboratory of Endemic & Ethnic Diseases, Guizhou Medical University, Ministry of Education, Guiyang 550004, PR China.,The State Key Laboratory of Functions & Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, PR China
| | - Hui Song
- The Key Laboratory of Endemic & Ethnic Diseases, Guizhou Medical University, Ministry of Education, Guiyang 550004, PR China.,The Key Laboratory of Medical Molecular Biology, Guizhou Medical University, Guizhou Province, Guiyang 550004, PR China
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Shirjang S, Mansoori B, Asghari S, Duijf PHG, Mohammadi A, Gjerstorff M, Baradaran B. MicroRNAs in cancer cell death pathways: Apoptosis and necroptosis. Free Radic Biol Med 2019; 139:1-15. [PMID: 31102709 DOI: 10.1016/j.freeradbiomed.2019.05.017] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 05/01/2019] [Accepted: 05/14/2019] [Indexed: 02/07/2023]
Abstract
To protect tissues and the organism from disease, potentially harmful cells are removed through programmed cell death processes, including apoptosis and necroptosis. These types of cell death are critically controlled by microRNAs (miRNAs). MiRNAs are short RNA molecules that target and inhibit expression of many cellular regulators, including those controlling programmed cell death via the intrinsic (Bcl-2 and Mcl-1), extrinsic (TRAIL and Fas), p53-and endoplasmic reticulum (ER) stress-induced apoptotic pathways, as well as the necroptosis cell death pathway. In this review, we discuss the current knowledge of apoptosis and necroptosis pathways and how these are impaired in cancer cells. We focus on how miRNAs disrupt apoptosis and necroptosis, thereby critically contributing to malignancy. Understanding which and how miRNAs and their targets affect cell death pathways could open up novel therapeutic opportunities for cancer patients. Indeed, restoration of pro-apoptotic tumor suppressor miRNAs (apoptomiRs) or inhibition of oncogenic miRNAs (oncomiRs) represent strategies that are currently being trialed or are already applied as miRNA-based cancer therapies. Therefore, better understanding the cancer type-specific expression of apoptomiRs and oncomiRs and their underlying mechanisms in cell death pathways will not only advance our knowledge, but also continue to provide new opportunities to treat cancer.
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Affiliation(s)
- Solmaz Shirjang
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Mansoori
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, 5000 Odense, Denmark
| | - Samira Asghari
- Department of Medical Biotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pascal H G Duijf
- University of Queensland Diamantina Institute, The University of Queensland, Translational Research Institute, Brisbane, Australia
| | - Ali Mohammadi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, 5000 Odense, Denmark
| | - Morten Gjerstorff
- Department of Cancer and Inflammation Research, Institute for Molecular Medicine, University of Southern Denmark, 5000 Odense, Denmark.
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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49
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Zhao M, Liu Q, Liu W, Zhou H, Zang X, Lu J. MicroRNA‑140 suppresses Helicobacter pylori‑positive gastric cancer growth by enhancing the antitumor immune response. Mol Med Rep 2019; 20:2484-2492. [PMID: 31322226 DOI: 10.3892/mmr.2019.10475] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 11/14/2018] [Indexed: 11/06/2022] Open
Abstract
Immune checkpoint blockade is a promising therapeutic strategy against various human malignancies. MicroRNAs (miRNAs/miRs) regulate gene expression, by repressing mRNA translation or promoting its degradation. The aim of the current study was to investigate the role and molecular mechanisms of miR‑140 in Helicobacter pylori (Hp)‑associated gastric cancer, and to examine its relationship with immune function in gastric cancer. Gastritis tissue samples from gastritis patients, and gastric cancer tissue samples from gastric cancer patients were collected for miR‑140 expression detection. miR‑140 expression was detected using reverse transcription‑quantitative polymerase chain reaction, and protein expression was measured by western blotting. TargetScan and dual luciferase reporter assays were used to reveal the association between miR‑140 and programmed cell death‑ligand 1 (PD‑L1). BGC823 cell proliferation was detected by MTT assays. Ex vivo immune analysis by flow cytometry and ELISA were used to analyze immune function. It was demonstrated that miR‑140 expression was significantly reduced in Hp‑positive gastric cancer. PD‑L1 was confirmed as a direct target of miR‑140 in gastric cancer cells. In addition, PD‑L1 expression was significantly increased in Hp‑positive gastric cancer. Overexpression of miR‑140 significantly suppressed gastric cancer cell proliferation through regulating PD‑L1 expression. In vivo experiments also revealed that miR‑140 markedly repressed tumor growth in the C57BL/6 mice. Furthermore, it was determined that the tumor‑suppressive role of miR‑140 in gastric cancer was associated with increased cytotoxic CD8+ T cell and reduced myeloid‑derived suppressive and regulatory T cell infiltration. miR‑140 significantly prevented mammalian target of rapamycin signaling in gastric cancer cells. Notably, these miR‑140 overexpression‑induced alterations were inhibited by PD‑L1 plasmid. These findings indicated that miR‑140 exerted an anti‑gastric cancer effect by targeting immune checkpoint molecule PD‑L1. Thus, miR‑140 may be a promising and novel immunotherapeutic target for gastric cancer treatment.
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Affiliation(s)
- Min Zhao
- Department of Pathology, The First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing 100048, P.R. China
| | - Qian Liu
- Department of Pathology, The First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing 100048, P.R. China
| | - Wenxiang Liu
- Department of Pathology, The First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing 100048, P.R. China
| | - He Zhou
- Department of Pathology, The First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing 100048, P.R. China
| | - Xuan Zang
- Department of Pathology, The First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing 100048, P.R. China
| | - Jiangyang Lu
- Department of Pathology, The First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing 100048, P.R. China
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50
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Zhang J, Zhao T, Han F, Hu Y, Li Y. Photothermal and gene therapy combined with immunotherapy to gastric cancer by the gold nanoshell-based system. J Nanobiotechnology 2019; 17:80. [PMID: 31277667 PMCID: PMC6612092 DOI: 10.1186/s12951-019-0515-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 07/02/2019] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND The gastric cancer is the second most malignant tumor in the world. HER-2 is one of the key targets for the gastric cancer therapy. Anti-HER-2 antibodies like trastuzumab, exhibits the satisfactory therapeutic effect in clinical. However, the drug resistance problem limits its application. METHOD In this study, we develop a gold nanoshell (Gold Nanoshell) drug carrier for delivery and selective photo-thermal release of genes which target HER-2 and immunologic adjuvant CPG sequence in gastric tumor cells. The drug delivery system generated a multidimensional treatment strategy which includes gene-, immune- and photothermal-therapy. RESULTS The whole gold nanoshell drug delivery system exhibits the well gene transduction ability and combined treatment effect. Both in vitro and in vivo results demonstrate the multiple therapeutic effects of the drug delivery system is better than the monotherapy. CONCLUSIONS This study indicates the multiple combined therapy based on the gold nanoshell system would be a promising translational treatment for gastric cancer.
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Affiliation(s)
- Jiayu Zhang
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, 130033, Jilin, China
| | - Tiancheng Zhao
- Department of Endoscopic Center, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, 130033, Jilin, China
| | - Fanglei Han
- Department of Anesthesiology, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, 130033, Jilin, China
| | - Yu Hu
- Pathology Department, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, 130033, Jilin, China.
| | - Yezhou Li
- Department of Vascular Surgery, China-Japan Union Hospital of Jilin University, No. 126 XianTai Street, Changchun, 130033, Jilin, China.
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