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Wangzhou K, Fu W, Li M, Lu Z, Lai Z, Liu C, Tan Y, Hao C. microRNA-17 is a tumor suppressor in oral squamous cell carcinoma and is repressed by LSD1. Oral Dis 2023; 29:491-504. [PMID: 34152066 DOI: 10.1111/odi.13944] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 06/02/2021] [Accepted: 06/08/2021] [Indexed: 02/07/2023]
Abstract
OBJECTIVE The effects of epigenetic modifiers have been uncovered on cellular reprogramming and, specifically, on sustaining characteristics of cancer stem cells. We here aim to investigate whether lysine-specific demethylase 1 (LSD1) affects the development of oral squamous cell carcinoma (OSCC) by sustaining the cancer stem cells from OSCC (OSCSCs). METHODS RT-qPCR detection was firstly conducted to screen out research gene by determining differential expression of histone demethylases and methylases in identified OSCSCs. Then, microarray analysis was carried out in cells with poor expression of LSD1. RESULTS OSCSCs expressed high levels of LSD1, and LSD1 inhibition reduced cell viability, migration, invasion, and sphere formation of OSCSCs. Later mechanistic studies suggested that LSD1 inhibited microRNA (miR)-17 expression through histone demethylation. miR-17 bound to KPNA2, and LSD1 downstream genes were mainly enriched in the PI3K/AKT pathway. Importantly, miR-17 inhibitor reversed the inhibitory effect of si-LSD1 on cell activity, while si-KPNA2 abolished the promotive effect of miR-17 inhibitor on cell activity both in vitro and in vivo. CONCLUSION Overall, LSD1 functions as a cancer stem cell supporter in OSCC by catalyzing demethylation of miR-17 and activating the downstream KPNA2/PI3K/AKT pathway, which contributes to understanding of the mechanisms associated with epigenetic regulation in OSCC.
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Affiliation(s)
- Kaixin Wangzhou
- School of Management, Hainan Medical University, Haikou, China
| | - Wanren Fu
- Department of Stomatology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Mengmeng Li
- Department of Research and Education, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical, Haikou, China
| | - Zishao Lu
- Department of Stomatology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Zhiying Lai
- Department of Stomatology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Cheng Liu
- Department of Stomatology, Harbin Stomatological Hospital, Harbin, China
| | - Yi Tan
- Department of Stomatology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Chunbo Hao
- Department of Stomatology, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
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Siqueira JM, Heguedusch D, Rodini CO, Nunes FD, Rodrigues MFSD. Mechanisms involved in cancer stem cell resistance in head and neck squamous cell carcinoma. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:116-137. [PMID: 37065869 PMCID: PMC10099599 DOI: 10.20517/cdr.2022.107] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/04/2023] [Accepted: 02/08/2023] [Indexed: 04/18/2023]
Abstract
Despite scientific advances in the Oncology field, cancer remains a leading cause of death worldwide. Molecular and cellular heterogeneity of head and neck squamous cell carcinoma (HNSCC) is a significant contributor to the unpredictability of the clinical response and failure in cancer treatment. Cancer stem cells (CSCs) are recognized as a subpopulation of tumor cells that can drive and maintain tumorigenesis and metastasis, leading to poor prognosis in different types of cancer. CSCs exhibit a high level of plasticity, quickly adapting to the tumor microenvironment changes, and are intrinsically resistant to current chemo and radiotherapies. The mechanisms of CSC-mediated therapy resistance are not fully understood. However, they include different strategies used by CSCs to overcome challenges imposed by treatment, such as activation of DNA repair system, anti-apoptotic mechanisms, acquisition of quiescent state and Epithelial-mesenchymal transition, increased drug efflux capacity, hypoxic environment, protection by the CSC niche, overexpression of stemness related genes, and immune surveillance. Complete elimination of CSCs seems to be the main target for achieving tumor control and improving overall survival for cancer patients. This review will focus on the multi-factorial mechanisms by which CSCs are resistant to radiotherapy and chemotherapy in HNSCC, supporting the use of possible strategies to overcome therapy failure.
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Affiliation(s)
- Juliana Mota Siqueira
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Daniele Heguedusch
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Camila Oliveira Rodini
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo 17012-230, Brazil
| | - Fabio Daumas Nunes
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Maria Fernanda Setúbal Destro Rodrigues
- Biophotonics Applied to Health Sciences, Nove de Julho University, UNINOVE, São Paulo 01504-001, Brazil
- Correspondence to: PhD. Maria Fernanda Setúbal Destro Rodrigues. Biophotonics Applied to Health Sciences, Nove de Julho University, UNINOVE, Rua Vergueiro, 235/249 - Liberdade, São Paulo 01504-001, Brazil. E-mail:
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Liang KY, Chun-Yu Ho D, Yang HP, Hsieh PL, Fang CY, Tsai LL, Chao SC, Liu CM, Yu CC. LINC01296 promotes cancer stemness traits in oral carcinomas by sponging miR-143. J Dent Sci 2023; 18:814-821. [PMID: 37021272 PMCID: PMC10068493 DOI: 10.1016/j.jds.2023.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/08/2023] [Indexed: 01/25/2023] Open
Abstract
Background/purpose Emerging evidence has shown that various failures in cancer therapy, such as drug resistance, metastasis, and cancer relapse are attributed to cancer stem cells (CSCs). Also, growing attention has been paid to the regulation of non-coding RNAs in cancer stemness. Here, we aimed to investigate the contribution of LINC01296 in the modulation of oral CSCs. Materials and methods The phenotypic assays including migration, invasion, and colony-forming abilities were carried out in CSCs of two types of oral cancer cells (SAS and GNM) following the knockdown of LINC01296. In addition, the percentage of cells expressing stemness marker, ALDH1, and drug resistance marker, ABCG2, was examined as well as the self-renewal capacity after silencing of LINC01296. Moreover, a luciferase reporter was used to validate the direct interaction between LINC01296 and miR-143. Results Our results showed that LINC01296 was significantly overexpressed in oral cancer tissues and positively correlated with stemness markers. The phenotypic and flow cytometry assays demonstrated that suppression of LINC01296 reduced the aggressiveness, cancer stemness features, and colony-forming and self-renewal abilities in oral CSCs. Furthermore, we demonstrated that LINC01296 may enhance cancer stemness features through suppression of the effect of miR-143. Conclusion Silencing of LINC01296 may be a promising direction for oral cancer therapy by reducing cancer stemness via regulation of miR-143.
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Affiliation(s)
- Kuang-Yuan Liang
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan
- Department of Dentistry, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung, Taiwan
- Department of Dentistry, Taichung Armed Forces General Hospital, Taichung, Taiwan
| | - Dennis Chun-Yu Ho
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hsiu-Pin Yang
- Department of Dentistry, Kaohsiung Armed Forces General Hospital Gangshan Branch, Kaohsiung, Taiwan
| | - Pei-Ling Hsieh
- Department of Anatomy, School of Medicine, China Medical University, Taichung, Taiwan
| | - Chih-Yuan Fang
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Lo-Lin Tsai
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Medical Research and Education, Lo-Hsu Medical Foundation, Lotung Poh-Ai Hospital, Yilan, Taiwan
| | - Shih-Chi Chao
- Department of Medical Research and Education, Lo-Hsu Medical Foundation, Lotung Poh-Ai Hospital, Yilan, Taiwan
- Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
| | - Chia-Ming Liu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Cheng-Chia Yu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan
- Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan
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Gao H, Shen Y, Feng Z, Cai Y, Yang J, Zhu Y, Peng Q. The clinical implications of circulating microRNAs as potential biomarkers in screening oral squamous cell carcinoma. Front Oncol 2022; 12:965357. [DOI: 10.3389/fonc.2022.965357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 10/26/2022] [Indexed: 11/19/2022] Open
Abstract
BackgroundRecent studies have highlighted the biomarker role of circulating miRNAs in oral squamous cell carcinoma (OSCC), indicating their potential application as early diagnostic markers for OSCC. However, the diagnostic results have proven inconclusive. This study was conducted to evaluate the diagnostic value of circulating miRNAs for OSCC diagnosis.MethodsEligible published studies were identified by a literature search carried out in several databases by using combinations of keywords associated with OSCC, circulating miRNAs, and diagnosis. The bivariate meta-analysis model was adopted to summarize the pooled parameters. Afterwards, we thoroughly explored the sources of heterogeneity after evaluating the risk of bias.ResultsA total of 60 studies focusing on 41 circulating miRNAs were included. The pooled sensitivity, specificity, and AUC were 0.75 (95%CI: 0.69-0.80), 0.76 (0.70-0.81), 0.82 (0.79-0.85), respectively. Subgroup analyses showed that miRNA combinations were more accurate than single miRNAs. Additionally, plasma may be a better matrix for miRNAs assays in OSCC diagnosis as the plasma-based miRNA assay had a higher level of diagnostic accuracy than serum-based miRNA assay. Subgroup analyses also suggested that using circulating miRNAs for OSCC diagnosis is more effective in Caucasians than in Asian ethnic groups. Finally, circulating miRNA assays based on large sample sizes have superior diagnostic accuracy than small sample sizes.ConclusionCirculating miRNAs might be applied as effective surrogate biomarkers for early diagnosis of OSCC. Nevertheless, future larger-scale prospective studies should be performed to enhance the diagnostic efficiency and investigate the miRNA combinations with more pronounced accuracy.
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Oral Fibrosis and Oral Cancer: From Molecular Targets to Therapeutics. Int J Mol Sci 2022; 23:ijms23116110. [PMID: 35682789 PMCID: PMC9181066 DOI: 10.3390/ijms23116110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 05/19/2022] [Indexed: 12/10/2022] Open
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6
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Lu MY, Fang CY, Hsieh PL, Liao YW, Tsai LL, Yu CC. miR-509 inhibits cancer stemness properties in oral carcinomas via directly targeting PlK1. J Dent Sci 2022; 17:653-658. [PMID: 35756764 PMCID: PMC9201550 DOI: 10.1016/j.jds.2021.09.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 09/25/2021] [Indexed: 11/02/2022] Open
Abstract
Background/purpose Oral cancer is one of the common cancers worldwide. Emerging evidence has indicated that microRNAs (non-coding RNA molecules of approximately 22 nucleotides in length) are implicated in the regulation of cancer stemness. However, the functional role of microRNA-509 (miR-509) in the characteristics of oral cancer stem cells (CSCs) has not been unraveled. Materials and methods The expression level of miR-509 in ALDH1+ and sphere oral CSCs was examined by qRT-PCR. The aldehyde dehydrogenase 1 (ALDH1) activity and CD44 expression were assessed using flow cytometry. Self-renewal, transwell migration, and colony formation assays were conducted to measure the CSC phenotypes. Besides, a luciferase reporter assay was used to confirm the direct interaction between miR-509 and its target polo-like kinase 1 (plk1). Results We showed the expression of miR-509 was downregulated in the CSCs derived from oral cancer cells (SAS), and upregulation of miR-509 diminished the several CSCs features, including ALDH1 activity, self-renewal capacity, CD44 expression, migration, and colony-forming abilities. Moreover, the result from the luciferase reporter assay validated the direct binding of miR-509 to plk1. Conclusion Our results suggest that the miR-509/plk1 axis may mediate the cancer stemness in oral cancer, and targeting this axis may attenuate the progression of oral cancer.
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Affiliation(s)
- Ming-Yi Lu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan.,Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Chih-Yuan Fang
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan.,School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Pei-Ling Hsieh
- Department of Anatomy, School of Medicine, China Medical University, Taichung, Taiwan
| | - Yi-Wen Liao
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan.,Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
| | - Lo-Lin Tsai
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei, Taiwan.,School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Education and Research, Lo-Hsu Medical Foundation, Lotung Poh-Ai Hospital, Yilan, Taiwan
| | - Cheng-Chia Yu
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan.,Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan.,Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
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Hsieh PL, Chao SC, Chu PM, Yu CC. Regulation of Ferroptosis by Non-Coding RNAs in Head and Neck Cancers. Int J Mol Sci 2022; 23:3142. [PMID: 35328568 PMCID: PMC8950679 DOI: 10.3390/ijms23063142] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 02/06/2023] Open
Abstract
Ferroptosis is a newly identified mode of programmed cell death characterized by iron-associated accumulation of lipid peroxides. Emerging research on ferroptosis has suggested its implication in tumorigenesis and stemness of cancer. On the other hand, non-coding RNAs have been shown to play a pivotal role in the modulation of various genes that affect the progression of cancer cells and ferroptosis. In this review, we summarize recent advances in the theoretical modeling of ferroptosis and its relationship between non-coding RNAs and head and neck cancers. Aside from the significance of ferroptosis-related non-coding RNAs in prognostic relevance, we also review how these non-coding RNAs participate in the regulation of iron, lipid metabolism, and reactive oxygen species accumulation. We aim to provide a thorough grounding in the function of ferroptosis-related non-coding RNAs based on current knowledge in an effort to develop effective therapeutic strategies for head and neck cancers.
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Affiliation(s)
- Pei-Ling Hsieh
- Department of Anatomy, School of Medicine, China Medical University, Taichung 404333, Taiwan; (P.-L.H.); (P.-M.C.)
| | - Shih-Chi Chao
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan;
- Department of Medical Research and Education, Lo-Hsu Medical Foundation, Lotung Poh-Ai Hospital, Yilan 265, Taiwan
| | - Pei-Ming Chu
- Department of Anatomy, School of Medicine, China Medical University, Taichung 404333, Taiwan; (P.-L.H.); (P.-M.C.)
| | - Cheng-Chia Yu
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan;
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
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8
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Hsieh PL, Huang CC, Yu CC. Emerging Role of MicroRNA-200 Family in Dentistry. Noncoding RNA 2021; 7:35. [PMID: 34208375 PMCID: PMC8293310 DOI: 10.3390/ncrna7020035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/30/2021] [Accepted: 06/03/2021] [Indexed: 12/15/2022] Open
Abstract
MicroRNAs (miRNAs) are endogenous non-coding RNAs ~22 nucleotides in length, which have been shown to participate in various biological processes. As one of the most researched miRNAs, the miR-200 family has been found to regulate several factors that are associated with the epithelial to mesenchymal transition (EMT) and cancer stem cells (CSCs) behavior. In this review, we briefly summarize the background of the miR-200 family and their implication in various dental diseases. We focus on the expression changes, biological functions, and clinical significance of the miR-200 family in oral cancer; periodontitis; oral potentially malignant disorder; gingival overgrowth; and other periodontal diseases. Additionally, we discuss the use of the miR-200 family as molecular biomarkers for diagnosis, prognostic, and therapeutic application.
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Affiliation(s)
- Pei-Ling Hsieh
- Department of Anatomy, School of Medicine, China Medical University, Taichung 404333, Taiwan;
| | - Chun-Chung Huang
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan;
| | - Cheng-Chia Yu
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan;
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan
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9
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Li Q, Sun Q, Zhu B. LncRNA XIST Inhibits the Progression of Oral Squamous Cell Carcinoma via Sponging miR-455-3p/BTG2 Axis. Onco Targets Ther 2020; 13:11211-11220. [PMID: 33177835 PMCID: PMC7650041 DOI: 10.2147/ott.s267937] [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: 07/21/2020] [Accepted: 09/07/2020] [Indexed: 12/12/2022] Open
Abstract
Objective Oral squamous cell carcinoma (OSCC) is one of the most common cancers, accounting for over 90% of malignant lesions in the oral cavity. Long non-coding RNAs play an important role in the development of OSCC. This study aimed to investigate the effects of lncRNA XIST on the malignant behaviors of OSCC cells and its possible molecular mechanisms. Methods Real-time quantitative PCR and Western blot were used to detect the RNA and protein level, respectively. CAL27 and SCC25 cells with the lowest expression level of XIST were used for further study. MTT, transwell assay, colony formation, and xenograft model were applied to examine the effect of XIST on the progression of OSCC. FISH assay was performed to investigate the co-location of XIST and miR-455-3p in OSCC cells. The bioinformatics analysis, luciferase, and RNA pull down assay were utilized to predict and verify the target genes of miR-455-3p. Results XIST was downregulated in OSCC tissues and cell lines. Overexpression of XIST inhibited the proliferation, migration, and invasion ability of OSCC cells. Bioinformatics analysis and luciferase reporter assay confirmed XIST could bind to miR-455-3p. Besides, miR-455-3p directly targeted BTG2 in OSCC cells. Rescue experiments further confirmed the positive interaction between miR-455-3p and XIST as well as between miR-455-3p and BTG2. Conclusion XIST was down-regulated in OSCC. XIST regulated the expression of BTG2 via sponging miR-455-3p. XIST/miR-455-3p/BTG2 signal axis inhibited the malignant progression of OSCC.
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Affiliation(s)
- Qingbin Li
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, People's Republic of China
| | - Qiang Sun
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, People's Republic of China
| | - Baoyu Zhu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, People's Republic of China
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Ashrafizadeh M, Zarrabi A, Hashemipour M, Vosough M, Najafi M, Shahinozzaman M, Hushmandi K, Khan H, Mirzaei H. Sensing the scent of death: Modulation of microRNAs by Curcumin in gastrointestinal cancers. Pharmacol Res 2020; 160:105199. [DOI: 10.1016/j.phrs.2020.105199] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/06/2020] [Accepted: 09/07/2020] [Indexed: 02/06/2023]
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Hsieh PL, Liao YW, Hsieh CW, Chen PN, Yu CC. Soy Isoflavone Genistein Impedes Cancer Stemness and Mesenchymal Transition in Head and Neck Cancer through Activating miR-34a/RTCB Axis. Nutrients 2020; 12:nu12071924. [PMID: 32610494 PMCID: PMC7400540 DOI: 10.3390/nu12071924] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/20/2020] [Accepted: 06/24/2020] [Indexed: 02/07/2023] Open
Abstract
Genistein, a soy-derived phytoestrogen, has been shown to exhibit anti-neoplastic activities in various cancers. Nevertheless, its effects on the elimination of tumor-initiating cells of head and neck cancer (HNC-TICs) remain unclear. Here, we investigated the inhibitory effect of genistein on HNC-TICs and potential mechanisms. Our results demonstrated that genistein lowered the proliferation of HNC-TICs by examining the percentage of ALDH1+ or CD44+ cells. Aside from the downregulation of epithelial-mesenchymal transition (EMT) in HNC-TICs, genistein restricted their tumor propagating capacities in a dose-dependent fashion. Moreover, genistein potentiated cell death caused by three commonly used chemotherapeutic agents (doxorubicin, cisplatin, and 5-FU). Our findings proved that genistein induced ROS production through upregulation of miR-34a, leading to apoptosis in HNC-TICs. The genistein-elicited miR-34a reduced self-renewal, migration, invasion capacities and ALDH1 activity, which may be partly owing to the repression of EMT. Furthermore, we showed that RTCB was a novel target that was negatively regulated by miR-34a and involved in the tumor repressive effect of genistein. Besides, the in vivo study validated that genistein retarded tumor growth through the elevation of miR-34a and suppression of RTCB. These results suggested that genistein-induced miR-34a contributed to the ROS-associated apoptosis and diminished stemness properties via repression of RTCB in HNC-TICs.
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Affiliation(s)
- Pei-Ling Hsieh
- Department of Anatomy, School of Medicine, China Medical University, Taichung 40402, Taiwan;
| | - Yi-Wen Liao
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan;
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung 402, Taiwan;
| | - Pei-Ni Chen
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung 40201, Taiwan;
| | - Cheng-Chia Yu
- School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan;
- Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan
- Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Correspondence: ; Tel.: +886-4-2471-8668
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Ashrafizadeh M, Zarrabi A, Hushmandi K, Hashemi F, Hashemi F, Samarghandian S, Najafi M. MicroRNAs in cancer therapy: Their involvement in oxaliplatin sensitivity/resistance of cancer cells with a focus on colorectal cancer. Life Sci 2020; 256:117973. [PMID: 32569779 DOI: 10.1016/j.lfs.2020.117973] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 06/06/2020] [Accepted: 06/10/2020] [Indexed: 02/08/2023]
Abstract
The resistance of cancer cells into chemotherapy has restricted the efficiency of anti-tumor drugs. Oxaliplatin (OX) being an anti-tumor agent/drug is extensively used in the treatment of various cancer diseases. However, its frequent application has led to chemoresistance. As a consequence, studies have focused in finding underlying molecular pathways involved in OX resistance. MicroRNAs (miRs) are short endogenous non-coding RNAs that are able to regulate vital biological mechanisms such as cell proliferation and cell growth. The abnormal expression of miRs occurs in pathological events, particularly cancer. In the present review, we describe the involvement of miRs in OX resistance and sensitivity. The miRs are able to induce the oncogene factors and mechanisms, resulting in stimulation OX chemoresistance. Also, onco-suppressor miRs can enhance the sensitivity of cancer cells into OX chemotherapy and trigger apoptosis and cell cycle arrest, leading to reduced viability and progression of cancer cells. MiRs can also enhance the efficacy of OX chemotherapy. It is worth mentioning that miRs affect various down-stream targets in OX resistance/sensitivity such as STAT3, TGF-β, ATG4B, FOXO1, LATS2, NF-κB and so on. By identification of these miRs and their upstream and down-stream mediators, further studies can focus on targeting them to sensitize cancer cells into OX chemotherapy and induce apoptotic cell death.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla 34956, Istanbul, Turkey; Center of Excellence for Functional Surfaces and Interfaces (EFSUN), Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, Istanbul 34956, Turkey
| | | | - Farid Hashemi
- DVM. Graduated, Young Researcher and Elite Club, Kazerun Branch, Islamic Azad University, Kazeroon, Iran
| | - Fardin Hashemi
- Student Research Committee, Department of Physiotherapy, Faculty of Rehabilitation, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeed Samarghandian
- Healthy Ageing Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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