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Yan X, Wang K, Shi C, Xu K, Lai B, Yang S, Sheng L, Zhang P, Chen Y, Mu Q, Ouyang G. MicroRNA-138 promotes the progression of multiple myeloma through targeting paired PAX5. Mutat Res 2024; 829:111869. [PMID: 38959562 DOI: 10.1016/j.mrfmmm.2024.111869] [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: 10/26/2022] [Revised: 06/05/2024] [Accepted: 06/11/2024] [Indexed: 07/05/2024]
Abstract
BACKGROUND Multiple myeloma cancer stem cells (MMSC) have been considered as the leading cause of multiple myeloma (MM) drug resistance and eventual relapse, microRNAs (miRNAs) collectively participate in the progression of MM. However, the pathogenesis of miR-138 in MMSC is still not fully understood. OBJECTIVE The intention of this study was to investigate the mechanism and role of miR-138 in multiple myeloma. METHOD Bone marrow samples and peripheral blood from patients and normal controls were collected. Use Magnet-based Cancer Stem Cell Isolation Kit to separate and extract MMSC. Real-time quantitative PCR (RT-qPCR) was carried out to determine mRNA level. Western blot was applied to detect protein levels. MTT and flow cytometry were conducted to examine the proliferation and apoptosis of MMSC. Finally, dual-luciferase reporter gene assays were performed to confirm that paired box 5 (PAX5) is a direct target for miR-138. RESULTS Compared with normal group, the expression of miR-138 in patients was significantly up-regulated, and the expression of miR-138 was in a negative correlation with PAX5. Additionally, downregulated miR-138 facilitated the apoptosis and inhibited the proliferation of MMSC in vitro and in vivo. Downregulated miR-138 moderated the expression of PAX5, Bcl-2, Bax, and Caspase-3. PAX5 was a direct target of miR-138. CONCLUSION Taken together, miR-138 plays a carcinogenic role in MM, and miR-138 adjusted the proliferation and apoptosis of MMSC by targeting PAX5. miR-138 has the probability of becoming a new medicinal target for the treatment of MM.
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Affiliation(s)
- Xiao Yan
- Department of Haematology, The First Affiliated Hospital of Ningbo University, China; Ningbo Clinical Research Center for Hematologic malignancies, China
| | - Keting Wang
- Health Science Center of Ningbo University, China
| | - Cong Shi
- Ningbo Clinical Research Center for Hematologic malignancies, China; Laboratory of Stem Cell Transplantation, The First Affiliated Hospital of Ningbo University, China
| | - Kaihong Xu
- Department of Haematology, The First Affiliated Hospital of Ningbo University, China; Ningbo Clinical Research Center for Hematologic malignancies, China
| | - Binbin Lai
- Ningbo Clinical Research Center for Hematologic malignancies, China; Laboratory of Stem Cell Transplantation, The First Affiliated Hospital of Ningbo University, China
| | - Shujun Yang
- Ningbo Clinical Research Center for Hematologic malignancies, China; Laboratory of Stem Cell Transplantation, The First Affiliated Hospital of Ningbo University, China
| | - Lixia Sheng
- Department of Haematology, The First Affiliated Hospital of Ningbo University, China; Ningbo Clinical Research Center for Hematologic malignancies, China
| | - Ping Zhang
- Department of Haematology, The First Affiliated Hospital of Ningbo University, China; Ningbo Clinical Research Center for Hematologic malignancies, China
| | - Ying Chen
- Ningbo Clinical Research Center for Hematologic malignancies, China; Laboratory of Stem Cell Transplantation, The First Affiliated Hospital of Ningbo University, China.
| | - Qitian Mu
- Ningbo Clinical Research Center for Hematologic malignancies, China; Laboratory of Stem Cell Transplantation, The First Affiliated Hospital of Ningbo University, China.
| | - Guifang Ouyang
- Department of Haematology, The First Affiliated Hospital of Ningbo University, China; Ningbo Clinical Research Center for Hematologic malignancies, China.
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Dżaman K, Czerwaty K. Extracellular Vesicle-Based Drug Delivery Systems for Head and Neck Squamous Cell Carcinoma: A Systematic Review. Pharmaceutics 2023; 15:pharmaceutics15051327. [PMID: 37242569 DOI: 10.3390/pharmaceutics15051327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 04/07/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
It is estimated that there are over 890,000 new cases of head and neck squamous cell carcinoma (HNSCC) worldwide each year, accounting for approximately 5% of all cancer cases. Current treatment options for HNSCC often cause significant side effects and functional impairments, thus there is a challenge to discover more acceptable treatment technologies. Extracellular vesicles (EVs) can be utilized for HNSCC treatment in several ways, for example, for drug delivery, immune modulation, as biomarkers for diagnostics, gene therapy, or tumor microenvironment modulation. This systematic review summarizes new knowledge regarding these options. Articles published up to 11 December 2022, were identified by searching the electronic databases PubMed/MEDLINE, Scopus, Web of Science, and Cochrane. Only full-text original research papers written in English were considered eligible for analysis. The quality of studies was assessed using the Office of Health Assessment and Translation (OHAT) Risk of Bias Rating Tool for Human and Animal Studies, modified for the needs of this review. Of 436 identified records, 18 were eligible and included. It is important to note that the use of EVs as a treatment for HNSCC is still in the early stages of research, so we summarized information on challenges such as EV isolation, purification, and standardization of EV-based therapies in HNSCC.
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Affiliation(s)
- Karolina Dżaman
- Department of Otolaryngology, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland
| | - Katarzyna Czerwaty
- Department of Otolaryngology, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland
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Wang Z, Liang J, Jiang S, Zhao G, Lu J, Jiang B. The Effect of miR-138 on the Function of Follicular Helper T Cells and the Differentiation of B Cells in Osteosarcoma. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2021; 2021:2057782. [PMID: 34858518 PMCID: PMC8632467 DOI: 10.1155/2021/2057782] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 10/29/2021] [Accepted: 11/05/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To explore the effect of miR-138 on the function of follicular helper T (Tfh) cells and the differentiation of B cells in osteosarcoma. METHODS Clinically collect peripheral blood from osteosarcoma (OS) patients and healthy volunteers (HC), as well as OS tumor tissues (OS tumor) and adjacent tissues with normal histology (normal group). The CD4+CXCR5+Tfh cells of OS patients were screened and isolated by flow cytometry, and the expression of Tfh cell membrane surface antigens PD-1 and CTLA-4 was detected. In addition, qRT-PCR was used to detect the expression of miR-138 in tissues and Tfh cells, and the correlation relationship between miR-138 and PD-1 and CTLA-4 was analyzed. After interference or overexpression of miR-138 in Tfh cells, coculture with untreated B cells was done, and the levels of IL-10, IL-12, IL-21, and INF-γ in Tfh cell culture medium and the levels of IgM, IgG, and IgA in B cell culture medium after coculture were measured by ELISA. Flow cytometry was used to detect the expression of B cell membrane surface antigens CD27 and CD38 after coculture. RESULTS The rate of PD-1- and CTLA-4 positive cells in the peripheral blood and tissues of the OS group was significantly increased, the expression of miR-138 was significantly reduced, and the expression of miR-138 was negatively correlated with the expression of PD-1 and CTLA-4. In addition, upregulation of miR-138 can lead to a significant increase in the level of IL-10 in the supernatant of Tfh cells and a significant decrease in the levels of IL-12, IL-21, and INF-γ, which in turn leads to increased levels of IgM, IgG, and IgA released by B cells. At the same time, it significantly increases the rate of CD27- and CD38-positive cells and promotes the maturation of B cells. Downregulating miR-138 has the opposite effect. CONCLUSION Downregulating the expression of miR-138 in osteosarcoma can improve the dysfunction of CD4+CXCR5+Tfh cells and promote the differentiation of B cells.
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Affiliation(s)
- Zhitao Wang
- Department of Traumatic Orthopaedics, Dongying People's Hospital, Shandong, China
| | - Jianxiao Liang
- Department of Radiology, Dongying People's Hospital, Shandong, China
| | - Shanyong Jiang
- Department of Traumatic Orthopaedics, Dongying People's Hospital, Shandong, China
| | - Gang Zhao
- Department of Traumatic Orthopaedics, Dongying People's Hospital, Shandong, China
| | - Jianshu Lu
- Department of Traumatic Orthopaedics, Dongying People's Hospital, Shandong, China
| | - Baoen Jiang
- Department of Traumatic Orthopaedics, Dongying People's Hospital, Shandong, China
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Deshmukh A, Rao KN, Arora RD, Nagarkar NM, Singh A, Shetty OS. Molecular Insights into Oral Malignancy. Indian J Surg Oncol 2021; 13:267-280. [DOI: 10.1007/s13193-021-01431-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/25/2021] [Indexed: 11/29/2022] Open
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Yoo JY, Yeh M, Wang YY, Oh C, Zhao ZM, Kaur B, Lee TJ. MicroRNA-138 Increases Chemo-Sensitivity of Glioblastoma through Downregulation of Survivin. Biomedicines 2021; 9:biomedicines9070780. [PMID: 34356844 PMCID: PMC8301402 DOI: 10.3390/biomedicines9070780] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/28/2021] [Accepted: 07/02/2021] [Indexed: 11/16/2022] Open
Abstract
Glioblastoma (GBM) is one of the most deadly cancers and poorly responses to chemotherapies, such as temozolomide (TMZ). Dysregulation of intrinsic signaling pathways in cancer cells are often resulted by dysregulated tumor suppressive microRNAs (miRNAs). Previously, we found miR-138 as one of tumor suppressive miRNAs that were significantly down-regulated in GBM. In this study, we demonstrated that ectopic over-expression of miR-138 sensitizes GBM cells to the treatment of TMZ and increased apoptotic cell death. Mechanistically, miR-138 directly repressed the expression of Survivin, an anti-apoptotic protein, to enhance caspase-induced apoptosis upon TMZ treatment. Using an intracranial GBM xenograft mice model, we also showed that combination of miR-138 with TMZ increases survival rates of the mice compared to the control mice treated with TMZ alone. This study provides strong preclinical evidence of the therapeutic benefit from restoration of miR-138 to sensitize the GBM tumor to conventional chemotherapy.
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Affiliation(s)
- Ji-Young Yoo
- Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (J.-Y.Y.); (M.Y.); (B.K.)
| | - Margaret Yeh
- Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (J.-Y.Y.); (M.Y.); (B.K.)
| | - Yin-Ying Wang
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (Y.-Y.W.); (Z.-M.Z.)
| | - Christina Oh
- Department of Biosciences, Rice University, Houston, TX 77005, USA;
| | - Zhong-Ming Zhao
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (Y.-Y.W.); (Z.-M.Z.)
- Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Balveen Kaur
- Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (J.-Y.Y.); (M.Y.); (B.K.)
| | - Tae-Jin Lee
- Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (J.-Y.Y.); (M.Y.); (B.K.)
- Correspondence:
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Yeh M, Wang YY, Yoo JY, Oh C, Otani Y, Kang JM, Park ES, Kim E, Chung S, Jeon YJ, Calin GA, Kaur B, Zhao Z, Lee TJ. MicroRNA-138 suppresses glioblastoma proliferation through downregulation of CD44. Sci Rep 2021; 11:9219. [PMID: 33911148 PMCID: PMC8080729 DOI: 10.1038/s41598-021-88615-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 04/07/2021] [Indexed: 02/06/2023] Open
Abstract
Tumor suppressive microRNAs (miRNAs) are increasingly implicated in the development of anti-tumor therapy by reprogramming gene network that are aberrantly regulated in cancer cells. This study aimed to determine the therapeutic potential of putative tumor suppressive miRNA, miR-138, against glioblastoma (GBM). Whole transcriptome and miRNA expression profiling analyses on human GBM patient tissues identified miR-138 as one of the significantly downregulated miRNAs with an inverse correlation with CD44 expression. Transient overexpression of miR-138 in GBM cells inhibited cell proliferation, cell cycle, migration, and wound healing capability. We unveiled that miR-138 negatively regulates the expression of CD44 by directly binding to the 3' UTR of CD44. CD44 inhibition by miR-138 resulted in an inhibition of glioblastoma cell proliferation in vitro through cell cycle arrest as evidenced by a significant induction of p27 and its translocation into nucleus. Ectopic expression of miR-138 also increased survival rates in mice that had an intracranial xenograft tumor derived from human patient-derived primary GBM cells. In conclusion, we demonstrated a therapeutic potential of tumor suppressive miR-138 through direct downregulation of CD44 for the treatment of primary GBM.
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Affiliation(s)
- Margaret Yeh
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Yin-Ying Wang
- Center for Precision Health, School of Biomedical Informatics, University of Texas Health Science Center at Houston, 7000 Fannin St. Suite 600, Houston, TX, 77030, USA
| | - Ji Young Yoo
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Christina Oh
- Department of Biosciences, Rice University, Houston, TX, USA
| | - Yoshihiro Otani
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Jin Muk Kang
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Eun S Park
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Eunhee Kim
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Sangwoon Chung
- Pulmonary, Allergy, Critical Care and Sleep Medicine, The Ohio State University Wexner Medical Center, Davis Heart and Lung Research Institute, Columbus, OH, USA
| | - Young-Jun Jeon
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon, South Korea
| | - George A Calin
- Department of Translational Molecular Pathology, Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Balveen Kaur
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics, University of Texas Health Science Center at Houston, 7000 Fannin St. Suite 600, Houston, TX, 77030, USA.
| | - Tae Jin Lee
- Department of Neurosurgery, McGovern Medical School, University of Texas Health Science Center at Houston, 6431 Fannin St., MSE R117B, Houston, TX, 77030, USA.
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Ishikawa M, Iwasaki M, Zhao H, Saito J, Hu C, Sun Q, Sakamoto A, Ma D. Sevoflurane and Desflurane Exposure Enhanced Cell Proliferation and Migration in Ovarian Cancer Cells via miR-210 and miR-138 Downregulation. Int J Mol Sci 2021; 22:ijms22041826. [PMID: 33673181 PMCID: PMC7917656 DOI: 10.3390/ijms22041826] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/04/2021] [Accepted: 02/08/2021] [Indexed: 12/24/2022] Open
Abstract
Inhalational anaesthetics were previously reported to promote ovarian cancer malignancy, but underlying mechanisms remain unclear. The present study aims to investigate the role of sevoflurane- or desflurane-induced microRNA (miRNA) changes on ovarian cancer cell behaviour. The cultured SKOV3 cells were exposed to 3.6% sevoflurane or 10.3% desflurane for 2 h. Expression of miR-138, -210 and -335 was determined with qRT-PCR. Cell proliferation and migration were assessed with wound healing assay, Ki67 staining and Cell Counting Kit-8 (CCK8) assay with or without mimic miR-138/-210 transfections. The miRNA downstream effector, hypoxia inducible factor-1α (HIF-1α), was also analysed with immunofluorescent staining. Sevoflurane or desflurane exposure to cancer cells enhanced their proliferation and migration. miR-138 expression was suppressed by both sevoflurane and desflurane, while miR-210 expression was suppressed only by sevoflurane. miR-335 expression was not changed by either sevoflurane or desflurane exposure. The administration of mimic miR-138 or -210 reduced the promoting effects of sevoflurane and desflurane on cancer cell proliferation and migration, in line with the HIF-1α expression changes. These data indicated that inhalational agents sevoflurane and desflurane enhanced ovarian cancer cell malignancy via miRNA deactivation and HIF-1α. The translational value of this work needs further study.
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Affiliation(s)
- Masashi Ishikawa
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan; (M.I.); (M.I.); (A.S.)
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
| | - Masae Iwasaki
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan; (M.I.); (M.I.); (A.S.)
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
| | - Hailin Zhao
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
| | - Junichi Saito
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
- Department of Anesthesiology, Graduate School of Medicine, Hirosaki University, Hirosaki, Aomori 036-8562, Japan
| | - Cong Hu
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
| | - Qizhe Sun
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
| | - Atsuhiro Sakamoto
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan; (M.I.); (M.I.); (A.S.)
| | - Daqing Ma
- Division of Anaesthetics, Pain Medicine and Intensive Care, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Chelsea & Westminster Hospital, London SW10 9NH, UK; (H.Z.); (J.S.); (C.H.); (Q.S.)
- Correspondence:
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Azzam P, Mroueh M, Francis M, Daher AA, Zeidan YH. Radiation-induced neuropathies in head and neck cancer: prevention and treatment modalities. Ecancermedicalscience 2020; 14:1133. [PMID: 33281925 PMCID: PMC7685771 DOI: 10.3332/ecancer.2020.1133] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Indexed: 12/24/2022] Open
Abstract
Head and neck cancer (HNC) is the sixth most common human malignancy with a global incidence of 650,000 cases per year. Radiotherapy (RT) is commonly used as an effective therapy to treat tumours as a definitive or adjuvant treatment. Despite the substantial advances in RT contouring and dosage delivery, patients suffer from various radiation-induced complications, among which are toxicities to the nervous tissues in the head and neck area. Radiation-mediated neuropathies manifest as a result of increased oxidative stress-mediated apoptosis, neuroinflammation and altered cellular function in the nervous tissues. Eventually, molecular damage results in the formation of fibrotic tissues leading to susceptible loss of function of numerous neuronal substructures. Neuropathic sequelae following irradiation in the head and neck area include sensorineural hearing loss, alterations in taste and smell functions along with brachial plexopathy, and cranial nerves palsies. Numerous management options are available to relieve radiation-associated neurotoxicities notwithstanding treatment alternatives that remain restricted with limited benefits. In the scope of this review, we discuss the use of variable management and therapeutic modalities to palliate common radiation-induced neuropathies in head and neck cancers.
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Affiliation(s)
- Patrick Azzam
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Manal Mroueh
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Marina Francis
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Alaa Abou Daher
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
| | - Youssef H Zeidan
- Department of Anatomy, Cell Biology and Physiology, Faculty of Medicine, American University of Beirut, Beirut 1107 2020, Lebanon
- Department of Radiation Oncology, American University of Beirut Medical Center, Beirut 1107 2020, Lebanon
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9
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Leseva MN, Binder AM, Ponsonby AL, Vuillermin P, Saffery R, Michels KB. Differential gene expression and limited epigenetic dysregulation at the materno-fetal interface in preeclampsia. Hum Mol Genet 2020; 29:335-350. [PMID: 31868881 DOI: 10.1093/hmg/ddz287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 11/26/2019] [Indexed: 12/31/2022] Open
Abstract
Despite the many advances made in the diagnosis and management of preeclampsia, this syndrome remains a leading cause of maternal mortality and life-long morbidity, as well as adverse fetal outcomes. Successful prediction and therapeutic intervention require an improved understanding of the molecular mechanisms, which underlie preeclampsia pathophysiology. We have used an integrated approach to discover placental genetic and epigenetic markers of preeclampsia and validated our findings in an independent cohort of women. We observed the microRNA, MIR138, to be upregulated in singleton preeclamptic placentas; however, this appears to be a female infant sex-specific effect. We did not identify any significant differentially methylated positions (DMPs) in singleton pregnancies, indicating that DNA methylation changes in mild forms of the disease are likely limited. However, we identified infant sex-specific preeclampsia-associated differentially methylated regions among singletons. Disease-associated DMPs were more obvious in a limited sampling of twin pregnancies. Interestingly, 2 out of the 10 most significant changes in methylation over larger regions overlap between singletons and twins and correspond to NAPRT1 and ZNF417.
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Affiliation(s)
- Milena N Leseva
- Institute for Prevention and Cancer Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg 79110, Germany
| | - Alexandra M Binder
- Department of Epidemiology, Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Anne-Louise Ponsonby
- Discovery Theme, Florey Institute of Neuroscience and Mental Health, Parkville, Victoria 3052, Australia.,Cell Biology Theme, The Murdoch Children's Research Institute, Royal Children's Hospital, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Peter Vuillermin
- Cell Biology Theme, The Murdoch Children's Research Institute, Royal Children's Hospital, University of Melbourne, Parkville, Victoria 3052, Australia.,School of Medicine, Deakin University, Geelong, Victoria 3220, Australia.,Child Health Research Unit, Barwon Health, Geelong, Victoria 3220, Australia
| | - Richard Saffery
- Cell Biology Theme, The Murdoch Children's Research Institute, Royal Children's Hospital, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Karin B Michels
- Institute for Prevention and Cancer Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg 79110, Germany.,Department of Epidemiology, Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA 90095, USA
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Ma HF, Lv GX, Zhang DH. miR-381 Mediates the Development of Head and Neck Squamous Cell Carcinoma via Targeting STC2. Onco Targets Ther 2020; 13:4485-4493. [PMID: 32547079 PMCID: PMC7247612 DOI: 10.2147/ott.s246289] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/28/2020] [Indexed: 12/14/2022] Open
Abstract
Objective miR-381 is implicated in the occurrence and development of various cancers, yet its role in head and neck squamous cell carcinoma (HNSCC) remains largely unknown. This study sought to research the direct target of miR-381 in HNSCC and investigate their roles in cancer progression. Methods miRNA and mRNA expression files of HNSCC were accessed from TCGA database and then processed for differential analysis. Bioinformatics databases were employed to predict the target mRNAs of the potential miRNA. qRT-PCR was conducted to determine the expression levels of the target miRNA and mRNA. Then, a series of in vitro experiments like CCK-8, colony formation assay, wound healing assay and transwell assay were performed to detect cell proliferation, migration and invasion. Dual-luciferase reporter gene assay was carried out for the further validation of the targeted relationship between the miRNA and mRNA. Results miR-381 was observed to be greatly down-regulated in HNSCC cells, and its overexpression could inhibit cell proliferation, migration and invasion. Besides, dual-luciferase reporter gene assay confirmed that STC2 was a direct target of miR-381, and their expression levels were reversely correlated. Moreover, rescue experiments demonstrated that overexpressing STC2 could rescue the inhibitory effect of miR-381 overexpression on cell proliferation, migration and invasion. Also, we verified that miR-381/STC2 exerted its function on HNSCC proliferation by mediating the FAK/PI3K/Akt/mTOR signaling pathway. Conclusion miR-381 suppresses cell proliferation, migration and invasion in HNSCC through targeting STC2, and participates in HNSCC development probably via the FAK/PI3K/Akt/mTOR signaling pathway.
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Affiliation(s)
- Hai-Feng Ma
- Department of Radiotherapy, Zhejiang Dongyang People's Hospital, Dongyang 322100, Zhejiang Province, People's Republic of China
| | - Guo-Xiao Lv
- Department of Radiotherapy, Zhejiang Dongyang People's Hospital, Dongyang 322100, Zhejiang Province, People's Republic of China
| | - Da-Hai Zhang
- Department of Radiotherapy, Zhejiang Dongyang People's Hospital, Dongyang 322100, Zhejiang Province, People's Republic of China
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Lu Z, He Q, Liang J, Li W, Su Q, Chen Z, Wan Q, Zhou X, Cao L, Sun J, Wu Y, Liu L, Wu X, Hou J, Lian K, Wang A. miR-31-5p Is a Potential Circulating Biomarker and Therapeutic Target for Oral Cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 16:471-480. [PMID: 31051332 PMCID: PMC6495075 DOI: 10.1016/j.omtn.2019.03.012] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 03/30/2019] [Accepted: 03/31/2019] [Indexed: 12/15/2022]
Abstract
MicroRNAs have been proposed as novel biomarkers for the diagnosis and treatment of many types of cancer. The levels of five candidate microRNAs (miRNAs) (miR-99a-5p, miR-31-5p, miR-138-5p, miR-21-5p, and miR-375-3p) in sera from oral cancer patients and paired tumor and normal tissues were detected by real-time qPCR. The diagnostic power of these miRNAs was analyzed by receiver operating characteristic (ROC) curves. Patient-derived xenograft (PDX) models of oral cancer were established and utilized to verify the potential therapeutic effect of miR-31-5p. Candidate miRNAs were screened from our previous studies and verified in 11 paired oral cancer and adjacent normal tissues. Only serum miR-31-5p levels were significantly different between oral cancer patients and healthy controls and between pre- and postoperative patients. Based on the logistic regression model, this panel of five miRNAs distinguished oral cancer patients from healthy control, with an area under the ROC curve (AUC) of 0.776 (sensitivity = 76.8% and specificity = 73.6%). Furthermore, a miR-31-5p mimic enhanced the proliferation of normal epithelial cells, and antagomiR-31-5p inhibited the proliferation of oral cancer cells in vitro. In vivo, antagomiR-31-5p significantly inhibited tumor growth in oral cancer PDX models. Our findings suggest that circulating miR-31-5p might act as an independent biomarker for oral cancer diagnosis and could serve as a therapeutic target for oral cancer.
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Affiliation(s)
- Zhiyuan Lu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Qianting He
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Jianfeng Liang
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Wuguo Li
- Animal Experiment Center, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Qiao Su
- Animal Experiment Center, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Zujian Chen
- Center for Molecular Biology of Oral Diseases, Department of Periodontics, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60601, USA
| | - Quan Wan
- Department of Oral and Maxillofacial Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, 510120 Guangzhou, China
| | - Xiaofeng Zhou
- Center for Molecular Biology of Oral Diseases, Department of Periodontics, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60601, USA
| | - Laurel Cao
- Guanghua College of Stomatology, Sun-Yat Sen University, 510080 Guangzhou, China
| | - Jingjing Sun
- Department of Stomatology, First Affiliated Hospital, Guangdong Pharmaceutical University, 510080 Guangzhou, China
| | - Yu Wu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Lin Liu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Xinming Wu
- Center for Molecular Biology of Oral Diseases, Department of Periodontics, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60601, USA
| | - Jinsong Hou
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, 510080 Guangzhou, China
| | - Keqian Lian
- Department of Stomatology, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China.
| | - Anxun Wang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-Sen University, 510080 Guangzhou, China.
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12
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Yang W, Ma J, Zhou W, Cao B, Zhou X, Zhang H, Zhao Q, Hong L, Fan D. Reciprocal regulations between miRNAs and HIF-1α in human cancers. Cell Mol Life Sci 2019; 76:453-471. [PMID: 30317527 PMCID: PMC11105242 DOI: 10.1007/s00018-018-2941-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 09/17/2018] [Accepted: 10/08/2018] [Indexed: 02/07/2023]
Abstract
Hypoxia inducible factor-1α (HIF-1α) is a central molecule involved in mediating cellular processes. Alterations of HIF-1α and hypoxically regulated microRNAs (miRNAs) are correlated with patients' outcome in various cancers, indicating their crucial roles on cancer development. Recently, an increasing number of studies have revealed the intricate regulations between miRNAs and HIF-1α in modulating a wide variety of processes, including proliferation, metastasis, apoptosis, and drug resistance, etc. miRNAs are a class of small noncoding RNAs which function as negative regulators by directly targeting mRNAs. Evidence shows that miRNAs can be regulated by HIF-1α at transcriptional level. In turn, HIF-1α itself can be modulated by many miRNAs whose alterations have been implicated in tumorigenesis, thus forming a reciprocal regulation network. These findings add a new layer of complexity to our understanding of HIF-1α regulatory networks. Here, we will provide a comprehensive overview of the current advances about the bidirectional interactions between HIF-1α and miRNAs in human cancers. Besides, the review will summarize the roles of miRNAs/HIF-1α crosstalk according to various cellular processes. Finally, the potential values of miRNAs/HIF-1α loops in clinical applications are discussed.
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Affiliation(s)
- Wanli Yang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China
| | - Jiaojiao Ma
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China
| | - Wei Zhou
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China
| | - Bo Cao
- Air Force Military Medical University, Xi'an, China
| | - Xin Zhou
- Air Force Military Medical University, Xi'an, China
| | - Hongwei Zhang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China
| | - Qingchuan Zhao
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China
| | - Liu Hong
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China.
| | - Daiming Fan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Air Force Military Medical University, Xi'an, China
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13
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Li L, Lu S, Liang X, Cao B, Wang S, Jiang J, Luo H, He S, Lang J, Zhu G. γδTDEs: An Efficient Delivery System for miR-138 with Anti-tumoral and Immunostimulatory Roles on Oral Squamous Cell Carcinoma. MOLECULAR THERAPY-NUCLEIC ACIDS 2018; 14:101-113. [PMID: 30594069 PMCID: PMC6307324 DOI: 10.1016/j.omtn.2018.11.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 11/11/2018] [Accepted: 11/16/2018] [Indexed: 02/05/2023]
Abstract
In this study, we sought to investigate the potential application of γδ T cell-derived extracellular vesicles (γδTDEs) as drug delivery system (DDS) for miR-138 in the treatment of oral squamous cell carcinoma (OSCC). Our data showed that overexpression of miR-138 in γδ T cells obtained miR-138-rich γδTDEs accompanying increased expansion and cytotoxicity of γδ T cells. γδTDEs inherited the cytotoxic profile of γδ T cells and could efficiently deliver miR-138 to OSCC cells, resulting in synergetic inhibition on OSCC both in vitro and in vivo. The pre-immunization by miR-138-rich γδTDEs inhibited the growth of OSCC tumors in immunocompetent C3H mice, but not in nude mice, suggesting an immunomodulatory role by miR-13-rich γδTDEs. γδTDEs and miR-138 additively increased the proliferation, interferon-γ (IFN-γ) production, and cytotoxicity of CD8+ T cells against OSCC cells. Only delivered by γδTDEs can miR-138 efficiently target programmed cell death 1 (PD-1) and CTLA-4 in CD8+ T cells. We conclude that γδTDEs delivering miR-138 could achieve synergetic therapeutic effects on OSCC, which is benefited from the individual direct anti-tumoral effects on OSCC and immunostimulatory effects on T cells by both γδTDEs and miR-138; γδTDEs could serve as an efficient DDS for microRNAs (miRNAs) in the treatment of cancer.
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Affiliation(s)
- Ling Li
- Department of Head and Neck Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Shun Lu
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Xinhua Liang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, P.R. China
| | - Bangrong Cao
- Department of Basic Research, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Shaoxin Wang
- Department of Head and Neck Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Jian Jiang
- Department of Head and Neck Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Huaichao Luo
- Department of Clinical Laboratory, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Shuya He
- Department of Clinical Laboratory, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China
| | - Jinyi Lang
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China.
| | - Guiquan Zhu
- Department of Head and Neck Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan 610041, P.R. China.
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14
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Lu P, Yin B, Liu L. MicroRNA-138 Suppresses Osteoblastic Differentiation of Valvular Interstitial Cells in Degenerative Calcific Aortic Valve Disease. Int Heart J 2018; 60:136-144. [PMID: 30464116 DOI: 10.1536/ihj.18-086] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of this study was to explore the function of miR-138 in the pathogenesis of degenerative calcific aortic valve disease (DCAVD).Aortic valve calcification tissue and normal tissue from DCAVD patients were collected to detect the expression of miR-138 by qRT-PCR, and immunohistochemical staining was performed to identify the phenotype of valve interstitial cells. QRT-PCR was performed to analyze the expression of miR-138, Runx2, MSX2, and ALP at day 7 after osteogenic differentiation. Alkaline phosphatase activity assay was performed at day 14 after osteogenic differentiation. Alizarin red staining was used to analyze the calcium nodule formation. TargetScan was used to predict potential targets of miR-138. QRT-PCR and Western blotting were performed to analyze the expression of FOXC1 in valve interstitial cells (VICs). The aortic valve calcification was evaluated by quantitative analysis of the velocity in the aortic annulus and transvalvular pressure gradients.In this study, we demonstrated the role of miR-138 in VIC osteogenesis. QRT-PCR results revealed miR-138 was significantly down-regulated in calcified aortic valves compared with non-calcified valves. MiR-138 overexpression inhibited VIC osteogenic differentiation in vitro, while down-regulation of miR-138 enhanced the process. Target prediction analysis and dual-luciferase reporter assay confirmed FOXC1 was a direct target of miR-138. Further research found FOXC1 overexpression promoted VIC osteogenic differentiation. In addition, animal experiments validated indirectly miR-138 could suppress aortic valve calcification.Our findings suggest miR-138 could function as a new inhibitor of VIC osteogenic differentiation, which may act by targeting FOXC1.
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Affiliation(s)
- Ping Lu
- Department of Cardiac Surgery, Qianfoshan Hospital, Shandong University
| | - Beibei Yin
- Department of Oncology, Qianfoshan Hospital, Shandong University
| | - Luqi Liu
- Department of Cardiac Surgery, Qianfoshan Hospital, Shandong University
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15
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Wang W, Liu Z, Zhao L, Sun J, He Q, Yan W, Lu Z, Wang A. Hexokinase 2 enhances the metastatic potential of tongue squamous cell carcinoma via the SOD2-H2O2 pathway. Oncotarget 2018; 8:3344-3354. [PMID: 27926482 PMCID: PMC5356886 DOI: 10.18632/oncotarget.13763] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 11/16/2016] [Indexed: 12/21/2022] Open
Abstract
The glycolytic enzyme hexokinase (HK2), which is aberrantly expressed in various types of tumours, is associated with metastasis. However, its role in the progression and metastasis of tongue squamous cell carcinoma (TSCC) remains unclear. The results of our study showed that HK2 expression is often deregulated in TSCC patients. Increased HK2 expression was associated with tumour stage, clinical stage, lymph node metastasis, but not pathological grade, and reduced overall survival. Microarray and western blotting analyses revealed increases in HK2 expression in TSCC cells with higher metastatic potential. The following effects were observed with HK2 knockdown: inhibition of cell migration and invasion; reduced SOD2 activity and intracellular H2O2 levels; suppression of pERK1/2, Slug and Vimentin expression; and inhibition of tumour growth and lung metastasis in vivo. Conversely, HK2 overexpression promoted cell migration and invasion, increased SOD2 activity and intracellular H2O2, and enhanced expression of pERK1/2, Slug and Vimentin. Thus, our results demonstrate that deregulation of HK2 expression has an important function in the progression of TSCC and may serve as a biomarker of its metastatic potential in TSCC patients. HK2 enhances the metastatic potential of TSCC by stimulating the SOD2-H2O2 pathway.
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Affiliation(s)
- Wei Wang
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Zhonghua Liu
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Luodan Zhao
- Department of Stomatology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510120, China.,Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Jingjing Sun
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Qianting He
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Wangxiang Yan
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Zhiyuan Lu
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
| | - Anxun Wang
- Department of Oral and Maxillofacial Surgery, First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China
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16
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Zhao L, Yu H, Yi S, Peng X, Su P, Xiao Z, Liu R, Tang A, Li X, Liu F, Shen S. The tumor suppressor miR-138-5p targets PD-L1 in colorectal cancer. Oncotarget 2018; 7:45370-45384. [PMID: 27248318 PMCID: PMC5216728 DOI: 10.18632/oncotarget.9659] [Citation(s) in RCA: 166] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 05/13/2016] [Indexed: 12/14/2022] Open
Abstract
microRNAs (miRNAs) play critical roles in cancer development and progression. This study investigated the effects of miR-138-5p in human colorectal cancer (CRC) development. miR-138-5p was frequently downregulated in CRC tissues and was associated with advanced clinical stage, lymph node metastasis and poor overall survival. We found that miR-138-5p decreased expression of programmed cell death ligand 1 (PD-L1) through interaction with its PD-L1 3′ untranslated region. miR-138-5p also dramatically suppressed CRC cell growth in vitro and inhibited tumorigenesis in vivo. PD-L1 and miR-138-5p levels were inversely correlated in human CRC tumors, and miR-138-5p inhibited PD-L1 expression in tumor models. These results suggest that miR-138-5p is a tumor suppressor in CRC, and its effects are exerted at least partially through PD-L1 downregulation. Low miR-138-5p and high PD-L1 levels correlated with shorter overall CRC patient survival, indicating that miR-138-5p and PD-L1 may serve as CRC biomarkers for risk group assignment, optimal therapy selection and clinical outcome prediction. Targeting PD-L1, possibly by administering miR-138-5p mimics, might be a clinically effective anti-CRC therapeutic strategy.
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Affiliation(s)
- Lian Zhao
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
| | - Haibo Yu
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shuijing Yi
- Department of Gynaecology and Obstetrics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiaowei Peng
- Department of Breast Oncology Plastic and Head and Neck, The Affiliated Cancer Hospital of Xiangya Medical School, Hunan, China
| | - Peng Su
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
| | - Zhiming Xiao
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Rui Liu
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Anliu Tang
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
| | - Xiayu Li
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
| | - Fen Liu
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
| | - Shourong Shen
- Department of Gastroenterology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, Changsha, Hunan, China
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17
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Zhang F, Li T, Han L, Qin P, Wu Z, Xu B, Gao Q, Song Y. TGFβ1-induced down-regulation of microRNA-138 contributes to epithelial-mesenchymal transition in primary lung cancer cells. Biochem Biophys Res Commun 2018; 496:1169-1175. [DOI: 10.1016/j.bbrc.2018.01.164] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 01/26/2018] [Indexed: 02/07/2023]
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18
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Stojcheva N, Schechtmann G, Sass S, Roth P, Florea AM, Stefanski A, Stühler K, Wolter M, Müller NS, Theis FJ, Weller M, Reifenberger G, Happold C. MicroRNA-138 promotes acquired alkylator resistance in glioblastoma by targeting the Bcl-2-interacting mediator BIM. Oncotarget 2017; 7:12937-50. [PMID: 26887050 PMCID: PMC4914333 DOI: 10.18632/oncotarget.7346] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 01/26/2016] [Indexed: 11/25/2022] Open
Abstract
Glioblastoma is the most aggressive brain tumor in adults with a median survival below 12 months in population-based studies. The main reason for tumor recurrence and progression is constitutive or acquired resistance to the standard of care of surgical resection followed by radiotherapy with concomitant and adjuvant temozolomide (TMZ/RT→TMZ). Here, we investigated the role of microRNA (miRNA) alterations as mediators of alkylator resistance in glioblastoma cells. Using microarray-based miRNA expression profiling of parental and TMZ-resistant cultures of three human glioma cell lines, we identified a set of differentially expressed miRNA candidates. From these, we selected miR-138 for further functional analyses as this miRNA was not only upregulated in TMZ-resistant versus parental cells, but also showed increased expression in vivo in recurrent glioblastoma tissue samples after TMZ/RT→TMZ treatment. Transient transfection of miR-138 mimics in glioma cells with low basal miR-138 expression increased glioma cell proliferation. Moreover, miR-138 overexpression increased TMZ resistance in long-term glioblastoma cell lines and glioma initiating cell cultures. The apoptosis regulator BIM was identified as a direct target of miR-138, and its silencing mediated the induced TMZ resistance phenotype. Altered sensitivity to apoptosis played only a minor role in this resistance mechanism. Instead, we identified the induction of autophagy to be regulated downstream of the miR-138/BIM axis and to promote cell survival following TMZ exposure. Our data thus define miR-138 as a glioblastoma cell survival-promoting miRNA associated with resistance to TMZ therapy in vitro and with tumor progression in vivo.
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Affiliation(s)
- Nina Stojcheva
- Laboratory of Molecular Neuro-Oncology, Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.,Neuroscience Center Zurich, University of Zurich, Zurich, Switzerland
| | - Gennadi Schechtmann
- Department of Neuropathology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Steffen Sass
- Institute of Computational Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Patrick Roth
- Laboratory of Molecular Neuro-Oncology, Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.,Neuroscience Center Zurich, University of Zurich, Zurich, Switzerland
| | - Ana-Maria Florea
- Department of Neuropathology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Anja Stefanski
- Molecular Proteomics Laboratory, Biological and Medical Research Center (BMFZ), Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Kai Stühler
- Molecular Proteomics Laboratory, Biological and Medical Research Center (BMFZ), Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Marietta Wolter
- Department of Neuropathology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Nikola S Müller
- Institute of Computational Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Fabian J Theis
- Institute of Computational Biology, Helmholtz Center Munich, German Research Center for Environmental Health, Neuherberg, Germany.,Department of Mathematics, Technische Universität München, Garching, Germany
| | - Michael Weller
- Laboratory of Molecular Neuro-Oncology, Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.,Neuroscience Center Zurich, University of Zurich, Zurich, Switzerland
| | - Guido Reifenberger
- Department of Neuropathology, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ) Heidelberg, partner site Essen/Düsseldorf, Germany
| | - Caroline Happold
- Laboratory of Molecular Neuro-Oncology, Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.,Neuroscience Center Zurich, University of Zurich, Zurich, Switzerland
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19
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Wang X, Qi G, Zhang J, Wu J, Zhou N, Li L, Ma J. Knockdown of Long Noncoding RNA Small Nucleolar RNA Host Gene 12 Inhibits Cell Growth and Induces Apoptosis by Upregulating miR-138 in Nonsmall Cell Lung Cancer. DNA Cell Biol 2017; 36:892-900. [PMID: 28872894 DOI: 10.1089/dna.2017.3830] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Small nucleolar RNA host gene 12 (SNHG12) is a novel long noncoding RNA identified to be upregulated and functions as an oncogene in several cancers. However, the function of SNHG12 and its target genes in modulating nonsmall cell lung cancer (NSCLC) development are rarely reported. In the present study, we validated that SNHG12 was overexpressed, while miR-138 was low-expressed, in NSCLC cells compared with normal human lung epithelial cells. SNHG12 harbored the binding site of miR-138 and inversely regulated the expression miR-138. Knockdown of SNHG12 inhibited proliferation and colony-forming ability, induced apoptosis, and increased caspase-3 activity of NSCLC cells, whereas miR-138 downregulation restored these effects. Furthermore, SNHG12 knockdown decreased volumes and weight of xenograft tumors in a NSCLC mouse model. Taken together, these findings suggested that knockdown of SNHG12 suppressed cell growth and induced apoptosis by upregulating miR-138 in NSCLC.
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Affiliation(s)
- Xiaoyan Wang
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
| | - Guanbin Qi
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
| | - Juanjuan Zhang
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
| | - Jingcan Wu
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
| | - Nannan Zhou
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
| | - Lei Li
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
| | - Jing Ma
- Department of Pneumology, Huaihe Hospital of Henan University , Kaifeng, China
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20
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An alternative microRNA-mediated post-transcriptional regulation of GADD45A by p53 in human non-small-cell lung cancer cells. Sci Rep 2017; 7:7153. [PMID: 28769054 PMCID: PMC5541050 DOI: 10.1038/s41598-017-07332-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 06/28/2017] [Indexed: 01/30/2023] Open
Abstract
GADD45A (growth arrest and DNA damage inducible alpha), a stress response gene induced by genotoxic and nongenotoxic stresses, is implicated in various key processes, including the control of cell cycle checkpoints and DNA repair. The expression of GADD45A is directly regulated by numerous transcription factors, with p53 being the most representative. Moreover, post-transcriptional regulation also plays a role in GADD45A expression. However, little is known about the regulatory effects of microRNAs (miRNAs) on GADD45A expression. As a potential tumour suppressor, miR-138 has pleiotropic biological functions in various cancers. We have previously reported p53-mediated activation of miR-138 in human non-small-cell lung cancer (NSCLC) cells. In this study, we found that miR-138 specifically targeted AGO2, which affects the stability and maturation of miR-130b. Decreased expression of miR-130b promoted the expression of GADD45A and resulted in the G2/M phase arrest and proliferation inhibition in human NSCLC cells. Our results suggested that p53 could alternatively upregulate GADD45A in human NSCLC cells through a post-transcriptional pathway in which miR-138 is involved.
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Pyruvate kinase M2 deregulation enhances the metastatic potential of tongue squamous cell carcinoma. Oncotarget 2017; 8:68252-68262. [PMID: 28978113 PMCID: PMC5620253 DOI: 10.18632/oncotarget.19291] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 06/20/2017] [Indexed: 01/18/2023] Open
Abstract
Pyruvate kinase M2 (PKM2) has been verified to correlate with the prognosis of many types of cancer. However, its role in the development and metastasis of tongue squamous cell carcinoma (TSCC) remains unclear. The immunohistochemistry (IHC) results confirmed that PKM2 is overexpressed in patients with TSCC. PKM2 up-regulation was related to lymph node metastasis and associated with reduced overall survival. According to the microarray analysis and Western blots, PKM2 expression was up-regulated in TSCC cells with enhanced metastatic potential. PKM2 knockdown inhibited cell migration and invasion, reduced SOD2 (manganese superoxide dismutase) activity and the intracellular H2O2 level, and inhibited tumour growth and lung metastasis in vivo. PKM2 overexpression promoted cell migration and invasion, and increased SOD2 activity and the intracellular H2O2 level. Moreover, miR-138 directly targeted PKM2 and inhibited PKM2 expression. Thus, PKM2 deregulation plays an important role in TSCC and may serve as a biomarker of metastatic potential or as a therapeutic target in patients with TSCC. PKM2, a miR-138 target gene, enhances the metastatic potential of TSCC through the SOD2-H2O2 pathway.
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22
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He SJ, Xiang CQ, Zhang Y, Lu XT, Chen HW, Xiong LX. Recent progress on the effects of microRNAs and natural products on tumor epithelial-mesenchymal transition. Onco Targets Ther 2017; 10:3435-3451. [PMID: 28744148 PMCID: PMC5513877 DOI: 10.2147/ott.s139546] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Epithelial–mesenchymal transition (EMT) is a biological process of phenotypic transition of epithelial cells that can promote physiological development as well as tissue healing and repair. In recent years, cancer researchers have noted that EMT is closely related to the occurrence and development of tumors. When tumor cells undergo EMT, they can develop enhanced migration and local tissue invasion abilities, which can lead to metastatic growth. Nevertheless, two researches in NATURE deny its necessity in specific tumors and that is discussed in this review. The degree of EMT and the detection of EMT-associated marker molecules can also be used to judge the risk of metastasis and to evaluate patients’ prognosis. MicroRNAs (miRNAs) are noncoding small RNAs, which can inhibit gene expression and protein translation through specific binding with the 3′ untranslated region of mRNA. In this review, we summarize the miRNAs that are reported to influence EMT through transcription factors such as ZEB, SNAIL, and TWIST, as well as some natural products that regulate EMT in tumors. Moreover, mutual inhibition occurs between some transcription factors and miRNAs, and these effects appear to occur in a complex regulatory network. Thus, understanding the role of miRNAs in EMT and tumor growth may lead to new treatments for malignancies. Natural products can also be combined with conventional chemotherapy to enhance curative effects.
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Affiliation(s)
- Shu-Jin He
- Department of Pathophysiology, Medical College, Nanchang University.,Second Clinical Medical College, Nanchang University
| | - Chu-Qi Xiang
- Department of Pathophysiology, Medical College, Nanchang University.,First Clinical Medical College, Nanchang University
| | - Yu Zhang
- First Clinical Medical College, Nanchang University
| | - Xiang-Tong Lu
- Department of Pathophysiology, Medical College, Nanchang University
| | - Hou-Wen Chen
- Department of Pathophysiology, Medical College, Nanchang University.,Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang, People's Republic of China
| | - Li-Xia Xiong
- Department of Pathophysiology, Medical College, Nanchang University.,Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang, People's Republic of China
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Ghallab NA, Kasem RF, El-Ghani SFA, Shaker OG. Gene expression of miRNA-138 and cyclin D1 in oral lichen planus. Clin Oral Investig 2017; 21:2481-2491. [PMID: 28275859 DOI: 10.1007/s00784-017-2091-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 01/03/2017] [Indexed: 12/26/2022]
Abstract
OBJECTIVES This study aimed to evaluate microRNA-138 (miR-138) gene expression and its target cyclin D1 (CCND1) gene and protein expression in oral lichen planus (OLP) mucosa in an attempt to investigate their possible roles in OLP immunopathogenesis. METHODS Sixty oral biopsy specimens were harvested from 30 healthy subjects and 30 OLP patients, subdivided into reticular, atrophic, and erosive groups (n = 10 each). Samples were subjected to quantitative real-time polymerase chain reaction analysis for quantification of miR-138 and CCND1 relative gene expression and immunohistochemical analysis to determine CCND1 protein expression. RESULTS Samples from OLP patients had a significant underexpression of miR-138 gene and overexpression of CCND1 at both gene and protein levels compared to normal mucosa samples. The lowest levels of miR-138 expression were observed in atrophic and erosive OLP compared to reticular OLP, and the highest levels of CCND1 gene and protein expression were in atrophic OLP. An inverse correlation was demonstrated between the miR-138 expression and both CCND1 gene and protein expression in OLP patients. A significant positive correlation between CCND1 gene and protein expression was also observed. CONCLUSION Downregulation of miR-138 increases the gene and protein expression of its potential target CCND1 in OLP mucosa which might have a pivotal role in the disease pathogenesis. CLINICAL RELEVANCE This research implied that miR-138 may have a role in identification of symptomatic OLP lesions. MiR-138 might be considered as a potential tool in future OLP molecular therapy.
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Affiliation(s)
- Noha A Ghallab
- Department of Oral Medicine, Periodontology and Diagnosis, Faculty of Oral and Dental Medicine, Cairo University, 43 Zahraa Street, Dokki, Giza, Egypt.
| | - Rehab Fawzy Kasem
- Department of Oral Pathology, Faculty of Oral and Dental Medicine, Cairo University, Giza, Egypt
| | - Safa Fathy Abd El-Ghani
- Department of Oral Pathology, Faculty of Oral and Dental Medicine, Cairo University, Giza, Egypt
| | - Olfat G Shaker
- Department of Medical Biochemistry& Molecular Biology, Faculty of Medicine, Cairo University, Giza, Egypt
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Ji M, Wang W, Yan W, Chen D, Ding X, Wang A. Dysregulation of AKT1, a miR-138 target gene, is involved in the migration and invasion of tongue squamous cell carcinoma. J Oral Pathol Med 2017; 46:731-737. [PMID: 28122142 DOI: 10.1111/jop.12551] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND AKT1, also known as PKBα, is abnormally expressed in various malignancies. In this study, we aimed to evaluate the role of AKT1 in the tongue squamous cell carcinoma (TSCC) and further clarify the mechanisms of AKT1 in the migration and invasion of TSCC. METHODS At first, immunohistochemistry (IHC) was conducted to detect the expression of AKT1 in TSCC. Then, we determined the role of AKT1 in the migration and invasion of TSCC and further investigated whether AKT1 was the target gene of miR-138 using dual luciferase reporter assays and Western blot. RESULTS Immunohistochemistry results suggested that AKT1 dysregulation was a frequent event in TSCC, and upregulation of AKT1 was correlated with lymph node metastasis and associated with reduced overall survival. UM1 cells with higher migratory and invasive abilities had more robust AKT1 protein expression than UM2 cells with lower migratory and invasive abilities. The migration and invasion abilities were inhibited in UM1 cells upon AKT1 knockdown, meanwhile resulted in a decline of metastasis-related proteins (vimentin, slug, and pERK1/2), and upregulation of E-cadherin. Luciferase assays revealed that AKT1 was directly targeted by miR-138, and ectopic transfection of miR-138 reduced the expression of AKT1 protein. CONCLUSIONS Our results confirm that upregulation of AKT1, a miR-138 target gene, is a frequent event in TSCC and contributes to the aggressive behaviors and poor prognosis of TSCC.
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Affiliation(s)
- Muyuan Ji
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Wei Wang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Wangxiang Yan
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Dan Chen
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Xueqiang Ding
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Anxun Wang
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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25
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Patent Highlights April-May 2016. Pharm Pat Anal 2016; 5:301-6. [PMID: 27531596 DOI: 10.4155/ppa-2016-0027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A snapshot of noteworthy recent developments in the patent literature of relevance to pharmaceutical and medical research and development.
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26
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Dahiya K, Dhankhar R. Updated overview of current biomarkers in head and neck carcinoma. World J Methodol 2016; 6:77-86. [PMID: 27018324 PMCID: PMC4804254 DOI: 10.5662/wjm.v6.i1.77] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 11/25/2015] [Accepted: 03/09/2016] [Indexed: 02/06/2023] Open
Abstract
Squamous cell cancer is the most common type of malignancy arising from the epithelial cells of the head and neck region. Head and neck squamous cell carcinoma (HNSCC) is one of the predominant causes of cancer related casualties worldwide. Overall prognosis in this disease has improved to some extent with the advancements in therapeutic modalities but detection of primary tumor at its initial stage and prevention of relapse are the major targets to be achieved for further improvement in terms of survival rate of patients. Latest achievements in basic research regarding molecular characterization of the disease has helped in better perception of the molecular mechanisms involved in HNSCC progression and also in recognizing and targeting various molecular biomarkers associated with HNSCC. In the present article, we review the information regarding latest and potential biomarkers for the early detection of HNSCC. A detailed molecular characterization, ultimately, is likely to improve the development of new therapeutic strategies, potentially relevant to diagnosis and prognosis of head and neck cancers. The need for more accurate and timely disease prediction has generated enormous research interests in this field.
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27
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Brito BDL, Lourenço SV, Damascena AS, Kowalski LP, Soares FA, Coutinho-Camillo CM. Expression of stem cell-regulating miRNAs in oral cavity and oropharynx squamous cell carcinoma. J Oral Pathol Med 2016; 45:647-654. [PMID: 26841253 DOI: 10.1111/jop.12424] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2015] [Indexed: 12/19/2022]
Abstract
BACKGROUND Head and neck squamous cell carcinoma (HNSCC) is the sixth most common tumor worldwide and is histologically heterogeneous. Studies have demonstrated the presence of stem cell markers in HNSCC, and microRNAs (miRNAs) have emerged as powerful regulators of differentiation, controlling the self-renewal of stem cells. miRNAs are non-coding RNA molecules that regulate gene expression post-transcriptionally. Many miRNAs have been described as regulators of stem cells in different types of cancer. METHODS We have analyzed the expression of let-7a, miR-34, miR-125b, miR-138, miR-145, miR-183, miR-200b, miR-203, and miR-205 by real-time RT-PCR (qPCR), in 35 oral cavity and oropharynx squamous cell carcinoma (SCC) samples and 10 non-neoplastic oral mucosa controls, to determine possible associations between the expression of these miRNAs and clinical and pathological features of these tumors. RESULTS We observed downregulation of miR-200b and miR-203 in 60.0% and 71.4% of the samples, respectively. Upregulation of miR-138 and miR-183 was observed in 50.0% of the samples. Downregulation of let-7a was associated with perineural invasion. Upregulation of miR-138, miRNA-145, and miR-205 was associated with advanced tumor stages, vascular invasion, and lymph node metastasis, respectively. CONCLUSIONS Our study provides evidence of the expression of miRNAs associated with stem cell regulation in oral cavity and oropharynx SCC and the association of these miRNAs with clinical and pathological features of these tumors.
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Affiliation(s)
- Bárbara de Lima Brito
- International Research Center, A.C. Camargo Cancer Center, São Paulo, SP, Brazil.,Department of Anatomic Pathology, A.C. Camargo Cancer Center, São Paulo, SP, Brazil
| | - Silvia Vanessa Lourenço
- Department of General Pathology, Dental School, University of São Paulo, São Paulo, SP, Brazil
| | | | - Luiz Paulo Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, AC Camargo Cancer Center, São Paulo, SP, Brazil
| | - Fernando Augusto Soares
- Department of Anatomic Pathology, A.C. Camargo Cancer Center, São Paulo, SP, Brazil.,Department of General Pathology, Dental School, University of São Paulo, São Paulo, SP, Brazil
| | - Cláudia Malheiros Coutinho-Camillo
- International Research Center, A.C. Camargo Cancer Center, São Paulo, SP, Brazil. .,Department of Anatomic Pathology, A.C. Camargo Cancer Center, São Paulo, SP, Brazil.
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28
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Wei J, Nduom EK, Kong LY, Hashimoto Y, Xu S, Gabrusiewicz K, Ling X, Huang N, Qiao W, Zhou S, Ivan C, Fuller GN, Gilbert MR, Overwijk W, Calin GA, Heimberger AB. MiR-138 exerts anti-glioma efficacy by targeting immune checkpoints. Neuro Oncol 2015; 18:639-48. [PMID: 26658052 DOI: 10.1093/neuonc/nov292] [Citation(s) in RCA: 152] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Accepted: 10/31/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Antibody therapeutic targeting of the immune checkpoints cytotoxic T-lymphocyte-associated molecule 4 (CTLA-4) and programmed cell death 1 (PD-1) has demonstrated marked tumor regression in clinical trials. MicroRNAs (miRNAs) can modulate multiple gene transcripts including possibly more than one immune checkpoint and could be exploited as immune therapeutics. METHODS Using online miRNA targeting prediction algorithms, we searched for miRNAs that were predicted to target both PD-1 and CTLA-4. MiR-138 emerged as a leading candidate. The effects of miR-138 on CTLA-4 and PD-1 expression and function in T cells were determined and the therapeutic effect of intravenous administration of miR-138 was investigated in both immune-competent and -incompetent murine models of GL261 glioma. RESULTS Target binding algorithms predicted that miR-138 could bind the 3' untranslated regions of CTLA-4 and PD-1, which was confirmed with luciferase expression assays. Transfection of human CD4+ T cells with miR-138 suppressed expression of CTLA-4, PD-1, and Forkhead box protein 3 (FoxP3) in transfected human CD4+ T cells. In vivo miR-138 treatment of GL261 gliomas in immune-competent mice demonstrated marked tumor regression, a 43% increase in median survival time (P = .011), and an associated decrease in intratumoral FoxP3+ regulatory T cells, CTLA-4, and PD-1 expression. This treatment effect was lost in nude immune-incompetent mice and with depletion of CD4+ or CD8+ T cells, and miR-138 had no suppressive effect on glioma cells when treated directly at physiological in vivo doses. CONCLUSIONS MiR-138 exerts anti-glioma efficacy by targeting immune checkpoints which may have rapid translational potential as a novel immunotherapeutic agent.
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Affiliation(s)
- Jun Wei
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Edjah K Nduom
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Ling-Yuan Kong
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Yuuri Hashimoto
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Shuo Xu
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Konrad Gabrusiewicz
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Xiaoyang Ling
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Neal Huang
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Wei Qiao
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Shouhao Zhou
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Cristina Ivan
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Greg N Fuller
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Mark R Gilbert
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Willem Overwijk
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - George A Calin
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
| | - Amy B Heimberger
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas (J.W., E.K.N., L.-Y.K., Y.H., S.X., K.G., X.L., N.H., A.B.H.); Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.Q., S.Z.); Center for RNA Interference and Non-Coding RNAs, The University of Texas MD Anderson Cancer Center, Houston, Texas (C.I.); Departments of Neuropathology, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.N.F.); Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (M.R.G.); Departments of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas (W.O.); Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas (G.A.C.); Department of Neurosurgery, Qilu Hospital of Shandong University, Jinan, China (S.X.)
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Zhou X, Luan X, Chen Z, Francis M, Gopinathan G, Li W, Lu X, Li S, Wu C, Diekwisch TGH. MicroRNA-138 Inhibits Periodontal Progenitor Differentiation under Inflammatory Conditions. J Dent Res 2015; 95:230-7. [PMID: 26518300 DOI: 10.1177/0022034515613043] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Inflammatory conditions as they occur during periodontal disease often result in decreased alveolar bone levels and a loss of connective tissue homeostasis. Here we have focused on the effect of microRNA-138 (miR-138) as a potential regulator of periodontal stem cells as they affect homeostasis during inflammatory conditions. Our data indicate that miR-138 was significantly upregulated in our periodontal disease animal model. Interaction of miR-138 with a predicted targeting site on the osteocalcin (OC) promoter resulted in a 3.7-fold reduction of luciferase activity in promoter assays compared with controls; and miR-138 overexpression in periodontal progenitors significantly inhibited OC (3.4-fold), Runx2 (2.8-fold), and collagen I (2.6-fold). Moreover, treatment with inflammatory modulators such as interleukin (IL)-6 and lipopolysaccharide (LPS) resulted in a significant 2.2-fold (IL-6) or 1.9-fold (LPS) increase in miR-138 expression, while OC and Runx2 expression was significantly decreased as a result of treatment with each inflammatory mediator. Further defining the role of miR-138 in the OC-mediated control of mineralization, we demonstrated that the LPS-induced downregulation of OC expression was partially reversed after miR-138 knockdown. LPS, miR-138 mimic, and OC small interfering RNA inhibited osteoblast differentiation marker alkaline phosphatase activity, while miR-138 inhibitor and OC protein addition enhanced alkaline phosphatase activity. Supporting the role of OC as an essential modulator of osteoblast differentiation, knockdown of miR-138 or addition of OC protein partially rescued alkaline phosphatase activity in periodontal ligament (PDL) cells subjected to LPS treatment. Our data establish miR-138 inhibitor as a potential therapeutic agent for the prevention of the bone loss associated with advanced periodontal disease.
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Affiliation(s)
- X Zhou
- Department of Periodontics, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA Center for Molecular Biology of Oral Diseases, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - X Luan
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - Z Chen
- Department of Periodontics, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA Center for Molecular Biology of Oral Diseases, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - M Francis
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - G Gopinathan
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - W Li
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - X Lu
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - S Li
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - C Wu
- Department of Pediatric Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL, USA
| | - T G H Diekwisch
- Department of Periodontics, Baylor College of Dentistry, Dallas, TX, USA
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30
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Li J, Wang Q, Wen R, Liang J, Zhong X, Yang W, Su D, Tang J. MiR-138 inhibits cell proliferation and reverses epithelial-mesenchymal transition in non-small cell lung cancer cells by targeting GIT1 and SEMA4C. J Cell Mol Med 2015; 19:2793-805. [PMID: 26283050 PMCID: PMC4687704 DOI: 10.1111/jcmm.12666] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Accepted: 07/03/2015] [Indexed: 01/02/2023] Open
Abstract
Non-small-cell lung cancer (NSCLC) is one of the most common and lethal malignant tumours worldwide with a poor 5-year survival rate. Recent studies indicated that miRNAs have been involved in the tumorigenic driver pathways in NSCLC, but the relevant molecular mechanisms are not well-understood. In this study, we investigated the biological functions and molecular mechanisms of miR-138 in human NSCLC. The effects of miR-138 on the NSCLC cell growth and epithelial-mesenchymal transition (EMT) were first examined. Then the targeting connections of miR-138 with G-protein-coupled receptor kinase-interacting protein 1 (GIT1) and semaphorin 4C (SEMA4C) were confirmed by dual luciferase reporter assays. Finally, the effects of GIT1 and SEMA4C on the NSCLC cell growth and EMT were investigated respectively. We found that the ectopic expression of miR-138 resulted in a significant inhibition of NSCLC growth and reversion of EMT. GIT1 and SEMA4C were identified as two novel targets of miR-138. Furthermore, GIT1 and SEMA4C knockdown inhibited the cell growth and reversed EMT, just like the effects of miR-138 overexpression on NSCLC cells, whereas ectopic expression of GIT1 and SEMA4C partly rescued the suppressive effects of miR-138 in NSCLC cells. These data represent a crucial step towards the understanding of the novel roles and molecular mechanism of miR-138, GIT1 and SEMA4C in NSCLC progression, which may provide some new targets or prognostic biomarkers for NSCLC treatment, thus having implications in translational oncology.
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Affiliation(s)
- Jiefang Li
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Qinrong Wang
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Ruiling Wen
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Jieman Liang
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Xiaoling Zhong
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Wei Yang
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Dongxiang Su
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
| | - Jun Tang
- KingMed Diagnostics and KingMed School of Laboratory Medicine, Guangzhou Medical University, Guangzhou, China
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31
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Martin D, Abba MC, Molinolo AA, Vitale-Cross L, Wang Z, Zaida M, Delic NC, Samuels Y, Lyons JG, Gutkind JS. The head and neck cancer cell oncogenome: a platform for the development of precision molecular therapies. Oncotarget 2015; 5:8906-23. [PMID: 25275298 PMCID: PMC4253406 DOI: 10.18632/oncotarget.2417] [Citation(s) in RCA: 149] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The recent elucidation of the genomic landscape of head and neck squamous cell carcinoma (HNSCC) has provided a unique opportunity to develop selective cancer treatment options. These efforts will require the establishment of relevant HNSCC models for preclinical testing. Here, we performed full exome and transcriptome sequencing of a large panel of HNSCC-derived cells from different anatomical locations and human papillomavirus (HPV) infection status. These cells exhibit typical mutations in TP53, FAT1, CDK2NA, CASP8, and NOTCH1, and copy number variations (CNVs) and mutations in PIK3CA, HRAS, and PTEN that reflect the widespread activation of the PI3K-mTOR pathway. SMAD4 alterations were observed that may explain the decreased tumor suppressive effect of TGF-β in HNSCC. Surprisingly, we identified HPV+ HNSCC cells harboring TP53 mutations, and documented aberrant TP53 expression in a subset of HPV+ HNSCC cases. This analysis also revealed that most HNSCC cells harbor multiple mutations and CNVs in epigenetic modifiers (e.g., EP300, CREBP, MLL1, MLL2, MLL3, KDM6A, and KDM6B) that may contribute to HNSCC initiation and progression. These genetically-defined experimental HNSCC cellular systems, together with the identification of novel actionable molecular targets, may now facilitate the pre-clinical evaluation of emerging therapeutic agents in tumors exhibiting each precise genomic alteration.
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Affiliation(s)
- Daniel Martin
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, USA
| | - Martin C Abba
- CINIBA, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina
| | - Alfredo A Molinolo
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, USA
| | - Lynn Vitale-Cross
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, USA
| | - Zhiyong Wang
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, USA
| | - Moraima Zaida
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, USA
| | - Naomi C Delic
- Dermatology, University of Sydney, Camperdown, Australia. Cancer Services, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Yardena Samuels
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot, Israel
| | - J Guy Lyons
- Dermatology, University of Sydney, Camperdown, Australia. Cancer Services, Royal Prince Alfred Hospital, Camperdown, Australia
| | - J Silvio Gutkind
- Oral and Pharyngeal Cancer Branch, National Institutes of Health, Bethesda, USA
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32
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MicroRNA-138 regulates the balance of Th1/Th2 via targeting RUNX3 in psoriasis. Immunol Lett 2015; 166:55-62. [DOI: 10.1016/j.imlet.2015.05.014] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 05/13/2015] [Accepted: 05/25/2015] [Indexed: 11/18/2022]
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33
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Venza M, Visalli M, Biondo C, Oteri R, Agliano F, Morabito S, Caruso G, Caffo M, Teti D, Venza I. Epigenetic effects of cadmium in cancer: focus on melanoma. Curr Genomics 2015; 15:420-35. [PMID: 25646071 PMCID: PMC4311387 DOI: 10.2174/138920291506150106145932] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Revised: 11/07/2014] [Accepted: 11/17/2014] [Indexed: 01/01/2023] Open
Abstract
Cadmium is a highly toxic heavy metal, which has a destroying impact on organs. Exposure to cadmium causes severe health problems to human beings due to its ubiquitous environmental presence and features of the pathologies associated with pro-longed exposure. Cadmium is a well-established carcinogen, although the underlying mechanisms have not been fully under-stood yet. Recently, there has been considerable interest in the impact of this environmental pollutant on the epigenome. Be-cause of the role of epigenetic alterations in regulating gene expression, there is a potential for the integration of cadmium-induced epigenetic alterations as critical elements in the cancer risk assessment process. Here, after a brief review of the ma-jor diseases related to cadmium exposure, we focus our interest on the carcinogenic potential of this heavy metal. Among the several proposed pathogenetic mechanisms, particular attention is given to epigenetic alterations, including changes in DNA methylation, histone modifications and non-coding RNA expression. We review evidence for a link between cadmium-induced epigenetic changes and cell transformation, with special emphasis on melanoma. DNA methylation, with reduced expression of key genes that regulate cell proliferation and apoptosis, has emerged as a possible cadmium-induced epigenetic mechanism in melanoma. A wider comprehension of mechanisms related to this common environmental contaminant would allow a better cancer risk evaluation.
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Affiliation(s)
- Mario Venza
- Department of Experimental Specialistic Medical, Surgical and Odontostomatology Sciences, University of Messina, Messina, Italy
| | - Maria Visalli
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Carmelo Biondo
- Department of Pediatric, Gynecological, Microbiological and Biomedical Sciences, University of Messina, Messina, Italy
| | - Rosaria Oteri
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Federica Agliano
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Silvia Morabito
- Department of Experimental Specialistic Medical, Surgical and Odontostomatology Sciences, University of Messina, Messina, Italy
| | - Gerardo Caruso
- Department of Neurosciences, University of Messina, Messina, Italy
| | - Maria Caffo
- Department of Neurosciences, University of Messina, Messina, Italy
| | - Diana Teti
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Isabella Venza
- Department of Experimental Specialistic Medical, Surgical and Odontostomatology Sciences, University of Messina, Messina, Italy
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Increased expression of miR-93 is associated with poor prognosis in head and neck squamous cell carcinoma. Tumour Biol 2015; 36:3949-56. [PMID: 25578493 PMCID: PMC4445482 DOI: 10.1007/s13277-015-3038-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Accepted: 01/02/2015] [Indexed: 12/27/2022] Open
Abstract
MicroRNA-93-5p (miR-93) is a novel oncogenic microRNA (miRNA) and is elevated in diverse human malignancies. Aberrant expression and dysfunction of miR-93 are involved in many types of human tumours. However, the exact role of miR-93 remains unclear in head and neck squamous cell carcinoma (HNSCC). The objective of this study is to determine the expression pattern and clinical significance of miR-93 in HNSCC. MiR-93 expression levels in 103 primary HNSCC tissues and 16 corresponding non-cancerous epithelia were analysed by miRNA in situ hybridisation and correlated with the clinicopathological parameters and patient outcomes. Moreover, the expression of miR-93 was examined in four HNSCC cell lines and 17 pairs of HNSCC tissues and their corresponding adjacent tissues using quantitative real-time PCR (qRT-PCR). The miR-93 levels in HNSCC tissues and cell lines were significantly higher than those in the non-cancerous tissues. Notably, high miR-93 expression was significantly associated with T classification, lymph node metastasis and clinical stage. Kaplan-Meier survival analysis demonstrated that patients with high miR-93 expression had poorer overall survival than patients with low miR-93 expression. Multivariate Cox regression analysis revealed that miR-93 overexpression and lymph node metastasis were independent prognostic factors in patients with HNSCC. This study demonstrated that miR-93 expression was significantly increased in HNSCC tissue samples and cell lines and that miR-93 overexpression was associated with tumour progression, metastasis and poor prognosis in HNSCC patients. These results suggest that miR-93 may play a critical role in the initiation and progression of HNSCC, indicating that miR-93 may be a valuable marker for the prediction of metastasis and prognosis in HNSCC.
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35
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Chen P, Zeng M, Zhao Y, Fang X. Upregulation of Limk1 caused by microRNA-138 loss aggravates the metastasis of ovarian cancer by activation of Limk1/cofilin signaling. Oncol Rep 2014; 32:2070-6. [PMID: 25190487 DOI: 10.3892/or.2014.3461] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 06/24/2014] [Indexed: 11/06/2022] Open
Abstract
LIM kinase 1 (Limk1) is associated with cell prolife-ration and metastasis and its dysregulated expression has been observed in many types of cancer. The present study aimed to examine the role of Limk1 in the development of ovarian cancer, as well as the underlying molecular mechanism involved. The results showed that increased Limk1 and decreased miR-138 expression co-existed in ovarian cancer. Furthermore, knockout of Limk1 or the overexpression of miR-138 resulted in reduced cell invasion and migration, while silencing of miR-138 led to enhancement of the invasion and migration of ovarian cancer cells. Cell growth was inhibited by the overexpression of miR-138, although not by the knockout of Limk1. miR-138 directly targeted Limk1 and inhibited ovarian cancer cell growth by PCNA and Bcl-2. Moreover, Limk1/cofilin/p-cofilin is likely a critical signaling pathway involving in miR-138 modulation of ovarian cancer cell metastasis. The results provide evidence supporting miR-138/Limk1 as a novel diagnostic or therapeutic target for ovarian cancer.
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Affiliation(s)
- Puxiang Chen
- Department of Gynecology and Obstetrics, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Mengjun Zeng
- Department of Gynecology and Obstetrics, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Yan Zhao
- Department of Gynecology and Obstetrics, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
| | - Xiaolin Fang
- Department of Gynecology and Obstetrics, the Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, P.R. China
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36
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Shen KH, Liao ACH, Hung JH, Lee WJ, Hu KC, Lin PT, Liao RF, Chen PS. α-Solanine inhibits invasion of human prostate cancer cell by suppressing epithelial-mesenchymal transition and MMPs expression. Molecules 2014; 19:11896-914. [PMID: 25116803 PMCID: PMC6271914 DOI: 10.3390/molecules190811896] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 08/02/2014] [Accepted: 08/05/2014] [Indexed: 01/22/2023] Open
Abstract
α-Solanine, a naturally occurring steroidal glycoalkaloid found in nightshade (Solanum nigrum Linn.), was found to inhibit proliferation and induce apoptosis of tumor cells. However, the mechanism involved in suppression of cancer cell metastasis by α-solanine remains unclear. This study investigates the suppression mechanism of α-solanine on motility of the human prostate cancer cell PC-3. Results show that α-solanine reduces the viability of PC-3 cells. When treated with non-toxic doses of α-solanine, cell invasion is markedly suppressed by α-solanine. α-Solanine also significantly elevates epithelial marker E-cadherin expression, while it concomitantly decreases mesenchymal marker vimentin expression, suggesting it suppresses epithelial-mesenchymal transition (EMT). α-Solanine reduces the mRNA level of matrix metalloproteinase-2 (MMP-2), MMP-9 and extracellular inducer of matrix metalloproteinase (EMMPRIN), but increases the expression of reversion-inducing cysteine-rich protein with kazal motifs (RECK), and tissue inhibitor of metalloproteinase-1 (TIMP-1) and TIMP-2. Immunoblotting assays indicate α-solanine is effective in suppressing the phosphorylation of phosphatidylinositide-3 kinase (PI3K), Akt and ERK. Moreover, α-solanine downregulates oncogenic microRNA-21 (miR-21) and upregulates tumor suppressor miR-138 expression. Taken together, the results suggest that inhibition of PC-3 cell invasion by α-solanine may be, at least in part, through blocking EMT and MMPs expression. α-Solanine also reduces ERK and PI3K/Akt signaling pathways and regulates expression of miR-21 and miR-138. These findings suggest an attractive therapeutic potential of α-solanine for suppressing invasion of prostate cancer cell.
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Affiliation(s)
- Kun-Hung Shen
- Division of Urology, Department of Surgery, Chi Mei Medical Center, Tainan 710, Taiwan.
| | - Alex Chien-Hwa Liao
- Division of Urology, Department of Surgery, Chi Mei Medical Center, Tainan 710, Taiwan.
| | - Jui-Hsiang Hung
- Department of Biotechnology, Chia Nan University of Pharmacy & Science, Tainan 717, Taiwan.
| | - Wei-Jiunn Lee
- Department of Urology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
| | - Kai-Chieh Hu
- Department of Biotechnology, Chia Nan University of Pharmacy & Science, Tainan 717, Taiwan.
| | - Pin-Tsen Lin
- Department of Biotechnology, Chia Nan University of Pharmacy & Science, Tainan 717, Taiwan.
| | - Ruei-Fang Liao
- Department of Biotechnology, Chia Nan University of Pharmacy & Science, Tainan 717, Taiwan.
| | - Pin-Shern Chen
- Department of Biotechnology, Chia Nan University of Pharmacy & Science, Tainan 717, Taiwan.
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Sethi N, Wright A, Wood H, Rabbitts P. MicroRNAs and head and neck cancer: reviewing the first decade of research. Eur J Cancer 2014; 50:2619-35. [PMID: 25103455 DOI: 10.1016/j.ejca.2014.07.012] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 07/09/2014] [Indexed: 12/16/2022]
Abstract
MicroRNAs are a class of non-coding RNA which regulate gene expression. Their discovery in humans in 2000 has led to an explosion in research in this area in terms of their role as a biomarker, therapeutic target as well as trying to elucidate their function. This review aims to summarise the function of microRNAs as well as to examine how dysregulation at any step in their biogenesis or functional pathway can play a role in the development of cancer. We review which microRNAs are implicated as oncogenic or tumour suppressor in head and neck cancer as well as the data available on the use of microRNAs as diagnostic and prognostic marker. We also discuss routes for future research.
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Affiliation(s)
- Neeraj Sethi
- Leeds Institute of Cancer and Pathology, Wellcome Trust Brenner Building, St James' University Hospital, Leeds, West Yorkshire LS9 7TF, UK.
| | - Alexander Wright
- Leeds Institute of Cancer and Pathology, Wellcome Trust Brenner Building, St James' University Hospital, Leeds, West Yorkshire LS9 7TF, UK
| | - Henry Wood
- Leeds Institute of Cancer and Pathology, Wellcome Trust Brenner Building, St James' University Hospital, Leeds, West Yorkshire LS9 7TF, UK
| | - Pamela Rabbitts
- Leeds Institute of Cancer and Pathology, Wellcome Trust Brenner Building, St James' University Hospital, Leeds, West Yorkshire LS9 7TF, UK
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38
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Han L, Zhang G, Zhang N, Li H, Liu Y, Fu A, Zheng Y. Prognostic potential of microRNA-138 and its target mRNA PDK1 in sera for patients with non-small cell lung cancer. Med Oncol 2014; 31:129. [PMID: 25064732 DOI: 10.1007/s12032-014-0129-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Accepted: 07/07/2014] [Indexed: 02/08/2023]
Abstract
microRNA (miR)-138 has been recognized as a potential tumor suppressor via regulating 3-phosphoinositide-dependent protein kinase-1 (PDK1) expression in non-small cell lung cancer (NSCLC) cells. The aim of this study was to investigate miR-138 and PDK1 mRNA expression in serum of NSCLC and their associations with patients' prognosis. miR-138 and PDK1 mRNA expressions in 100 NSCLCs and 100 healthy control sera were detected by quantitative real-time PCR. miR-138 expression level was significantly lower in NSCLC serum samples than in healthy control serum samples (P < 0.001), while PDK1 mRNA expression level was significantly increased in NSCLC serum samples compared to healthy control serum samples (P < 0.001). In addition, miR-138 downregulation and PDK1 upregulation were both significantly associated with advanced tumor-node-metastasis (TNM) stage (both P = 0.002) and positive lymph node metastasis (both P = 0.01) of NSCLC patients. Moreover, the overall survival of NSCLC patients with low miR-138 expression or high PDK1 mRNA expression was obviously shorter than those with high miR-138 expression or low PDK1 mRNA expression (both P < 0.001). Notably, NSCLC patients with combined miR-138 downregulation and PDK1 upregulation (miR-138-low/PDK1-high) had shortest overall survival (P < 0.001). Furthermore, multivariate analysis showed that miR-138 expression (P = 0.01), PDK1 expression (P = 0.01), and combined expression of miR-138 and PDK1 (miR-138/PDK1, P = 0.001) were all independent prognostic factors for overall survival in NSCLC patients. Deregulation of miR-138/PDK1 cascade may be implicated in carcinogenesis and cancer progression of human NSCLC. More importantly, miR-138 and PDK1 may synergistically predict patients' prognosis and their combination may represent a promising prognostic biomarker of human NSCLC.
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Affiliation(s)
- Lihong Han
- Department of Respiratory Medicine, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, 471009, Henan Province, China
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Cadmium Impairs p53 Activity in HepG2 Cells. ISRN TOXICOLOGY 2014; 2014:976428. [PMID: 25101185 PMCID: PMC3976861 DOI: 10.1155/2014/976428] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 01/15/2014] [Indexed: 11/18/2022]
Abstract
Cadmium and cadmium compounds are contaminants of the environment, food, and drinking water and are important constituents of cigarette smoke. Cd exposure has also been associated with airborne particulate CdO and with Cd-containing quantum dots in medical therapy. Adverse cadmium effects reported in the literature have stimulated during recent years an ongoing discussion to better elucidate cadmium outcomes at cell and molecular level. The present work is designed to gain an insight into the mechanism of p53 impairment at gene and protein level to understand Cd-induced resistance to apoptosis. We used a hepatoma cell line (HepG2) derived from liver, known to be metal responsive. At genotoxic cadmium concentrations no cell cycle arrest was observed. The p53 at gene and protein level was not regulated. Fluorescence images showed that p53 was correctly translocated into the nucleus but that the p21Cip1/WAF-1, a downstream protein of p53 network involved in cell cycle regulation, was not activated at the highest cadmium concentrations used. The miRNAs analysis revealed an upregulation of mir-372, an miRNA able to affect p21Cip1/WAF-1 expression and promote cell cycle progression and proliferation. The role of metallothioneins and possible conformational changes of p53 are discussed.
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Ruland R, Florea AM. Are microRNAs key players in epithelial skin cancers? A review focused on basal cell carcinoma and squamous cell carcinoma. ACTA ACUST UNITED AC 2014. [DOI: 10.5339/jlghs.2014.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The cancer of the skin is an increasing problem for public health worldwide. The fair skin populations that are environmentally or occupationally exposed to solar ultraviolet (UV)-radiation are the most affected. Intensive research investigating the molecular mechanisms of skin cancer is ongoing, however the role of noncoding RNAs in the pathology of cutaneous cell carcinoma is not fully understood. Accumulating evidence show that miRNAs play an important role in physiologic, pathologic and carcinogenic processes but their role in epithelial skin cancers (i.e. basal cell carcinoma and squamous cell carcinoma) was to date not sufficiently highlighted. MiRNAs are single-stranded small RNAs which specifically target mRNAs for translational repression and/or mRNA decay. In this review we focus on the latest findings in this area of research reviewing the newest research trends and perspectives.
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Affiliation(s)
- Rebecca Ruland
- Environmental Toxicology, University of Trier, FBVI, Universitätsring 15, 54296, Trier
| | - Ana-Maria Florea
- Environmental Toxicology, University of Trier, FBVI, Universitätsring 15, 54296, Trier
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Islam M, Datta J, Lang JC, Teknos TN. Down regulation of RhoC by microRNA-138 results in de-activation of FAK, Src and Erk1/2 signaling pathway in head and neck squamous cell carcinoma. Oral Oncol 2014; 50:448-56. [PMID: 24565984 DOI: 10.1016/j.oraloncology.2014.01.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 01/16/2014] [Accepted: 01/23/2014] [Indexed: 12/27/2022]
Abstract
OBJECTIVE RhoC a pro-metastatic oncogene is constitutively active in many head and neck squamous cell carcinomas. MicroRNA-138 which possesses a documented tumor suppressor function can bind to the 3'UTR of RhoC mRNA and inhibit its activity. We hypothesize that miR-138 can inhibit the function of RhoC and consequently the activation of downstream target molecules involve in the signaling cascade. For this reason we investigated the role of miR-138 in HNSCC. METHODS In vitro studies were carried out to evaluate the role of miR-138 in HNSCC cell lines and in primary tumors obtained from HNSCC patients. Real time RT-PCR, Western blot, cell motility, invasion and colony formation assays were performed according to standard procedures. RESULTS Data obtained by G-LISA and real time PCR shows an inverse correlation between RhoC expression and miR-138 in HNSCC cell lines. Additionally, we obtained a similar pattern of RhoC and miR-138 expression in primary tumors from HNSCC patients. Over expression of miR-138 in HNSCC lines showed down regulation of RhoC, as well as a decrease in cell motility, invasion colony and stress fiber formation. Furthermore, a significant down regulation was observed for FAK, Src and Erk(1/2) upon miR-138 overexpression. CONCLUSION These findings strongly suggest that the inhibition of RhoC can be achieved by over expressing miR-138, which further attenuates the downstream signaling cascade leading to cancer progression and survival. Moreover, this study for the first time shows that down regulation of FAK, Src and Erk(1/2) by miR-138 overexpression is due to inhibition of RhoC in HNSCC.
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Affiliation(s)
- Mozaffarul Islam
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA; Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University, Wexner Medical Center, Columbus, OH, USA.
| | - Jharna Datta
- Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University, Wexner Medical Center, Columbus, OH, USA
| | - James C Lang
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA; Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University, Wexner Medical Center, Columbus, OH, USA
| | - Theodoros N Teknos
- Department of Otolaryngology-Head and Neck Surgery, The Ohio State University, Wexner Medical Center, Columbus, OH, USA; Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, The Ohio State University, Wexner Medical Center, Columbus, OH, USA
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Long L, Huang G, Zhu H, Guo Y, Liu Y, Huo J. Down-regulation of miR-138 promotes colorectal cancer metastasis via directly targeting TWIST2. J Transl Med 2013; 11:275. [PMID: 24171926 PMCID: PMC4228492 DOI: 10.1186/1479-5876-11-275] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 10/18/2013] [Indexed: 12/14/2022] Open
Abstract
Background Colorectal cancer (CRC) is the most common digestive system malignancy. The molecular events involved in the development and progression of CRC remain unclear. Recently, more and more evidences have showed that deregulated miRNAs participate in colorectal carcinogenesis. Methods The expression levels of miR-138 were first examined in CRC cell lines and tumor tissues by real-time PCR. The in vitro and in vivo functional effects of miR-138 were examined further. Luciferase reporter assays were conducted to confirm the targeting associations. Kaplan-Meier analysis and log-rank tests were performed to estimate the overall survival and disease free survival rate. Results miR-138 was found to be down-regulated in human colorectal cancer tissues and cell lines. Ectopic expression of miR-138 resulted in a dramatic inhibition of CRC migration and invasion in vitro and in vivo. Twist basic helix-loop-helix transcription factor 2 gene (TWIST2) was identified as one of the functional target. Restoration of miR-138 resulted in a dramatic reduction of the expression of TWIST2 at both mRNA and protein levels by directly targeting its 3′-untranslated region (3′UTR). Up-regulation of TWIST2 was detected in CRC tumors compared with adjacent normal tissues (P < 0.001) and is inversely correlated with miR-138 expression. We also identified that down-regulation of miR-138 was associated with lymph node metastasis, distant metastasis, and always predicted poor prognosis. Conclusion These data highlight a pivotal role for miR-138 in the regulation of CRC metastasis by targeting TWIST2, and suggest a potential application of miR-138 in prognosis prediction and CRC treatment.
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Affiliation(s)
- Limin Long
- Department of Gastroenterology, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China.
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Wu TS, Yang JJ, Yu FY, Liu BH. Cardiotoxicity of mycotoxin citrinin and involvement of microRNA-138 in zebrafish embryos. Toxicol Sci 2013; 136:402-12. [PMID: 24052562 DOI: 10.1093/toxsci/kft206] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Citrinin (CTN) is a fungal secondary metabolite that contaminates various foodstuffs and animal feeds; it also exhibits organotoxicity in several animal models. In this study, the zebrafish was used to elucidate the mechanism of CTN cardiotoxicity in developing embryos. Following CTN administration, the gross morphology of the embryonic heart was apparently altered, including heart malformation, pericardial edema, and red blood accumulation. Whole-mount immunostaining and histological analysis of ventricle and atrium indicated incorrect heart looping and reduced size of heart chambers. From the perspective of cardiac function, the heartbeat and blood flow rate of embryos were significantly decreased in the presence of CTN. CTN also modulated the expression of tbx2a and jun B genes, but not that of bmp4 and nkx2.5. Furthermore, the heart areas of CTN-exposed embryos demonstrated an elevated levels of aldh1a2 and cspg2 messenger RNA; these 2 cardiac-related genes are known to be involved in retinoic acid (RA) pathway as well as downstream targets of microRNA-138 (miR-138) in zebrafish. CTN treatment also downregulated the expression of miR-138. Moreover, overexpression of miR-138 was able to rescue the heart defects generated by CTN. These results support the notion that CTN exposure has a severe impact on heart development, affecting heart morphogenesis through the dysregulation of miR-138, RA signaling, and tbx2a.
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