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Abstract
Gastric cancer (GC) is one of the most common malignant tumors. The mechanism of how GC develops is vague, and therapies are inefficient. The function of microRNAs (miRNAs) in tumorigenesis has attracted the attention from many scientists. During the development of GC, miRNAs function in the regulation of different phenotypes, such as proliferation, apoptosis, invasion and metastasis, drug sensitivity and resistance, and stem-cell-like properties. MiRNAs were evaluated for use in diagnostic and prognostic predictions and exhibited considerable accuracy. Although many problems exist for the application of therapy, current studies showed the antitumor effects of miRNAs. This paper reviews recent advances in miRNA mechanisms in the development of GC and the potential use of miRNAs in the diagnosis and treatment of GC.
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You A, Fu L, Li Y, Li X, You B. MicroRNA-203 restrains epithelial-mesenchymal transition, invasion and migration of papillary thyroid cancer by downregulating AKT3. Cell Cycle 2020; 19:1105-1121. [PMID: 32308106 PMCID: PMC7217351 DOI: 10.1080/15384101.2020.1746490] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 01/15/2020] [Accepted: 03/06/2020] [Indexed: 02/07/2023] Open
Abstract
MicroRNAs (miRNAs) have been reported to serve pivotal roles in the regulation of papillary thyroid cancer (PTC) development; thus, the aim of this study is to identify the impact of miR-203 and AKT3 on the epithelial-mesenchymal transition (EMT), migration and invasion of PTC. MiR-203 and AKT3 expression in PTC tissues and cells were tested. TPC-1 cells and K1 cells were screened for follow-up experiments. Apoptosis-related proteins (Bcl-2 and Bax), EMT-related proteins (Vimentin and E-cadherin), proliferation-associated proteins (Ki67 and CDK4), invasion- and migration-related protein (MMP-2 and MMP-9) were verified. The effects of upregulated miR-203 and downregulated AKT3 on the biological characteristics of PTC cells in each group were detected via the gain- and loss-of-function assays. The targeting relationship between miR-203 and AKT3 was verified.MiR-203 expression declined and AKT3 heightened in PTC tissues and cells. Upregulated miR-203 and downregulated AKT3 reduced the tumor volume and weight, suppressed cell migration, colony formation, proliferation, invasion, proliferation-associated proteins (Ki67 and CDK4), invasion- and migration-related protein (MMP-2 and MMP-9) and promoted cell apoptosis, raised E-cadherin and decreased Vimentin protein expression in TPC-1 cells. On the contrary, the K1 cells with the downregulated miR-203 or upregulated AKT3 exhibited an opposite result. This study suggests that upregulated miR-203 suppresses EMT, invasion, proliferation and migration as well as induces apoptosis of PTC cells via downregulated AKT3.
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Affiliation(s)
- Anmin You
- Department of Nuclear Medicine, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan, China
| | - Liwu Fu
- Department of Nuclear Medicine, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan, China
| | - Yongjiao Li
- Department of Nuclear Medicine, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan, China
| | - Xingyi Li
- Department of Nuclear Medicine, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan, China
| | - Bin You
- Department of Nuclear Medicine, Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, Henan, China
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Abstract
This study aimed to detect serum miR-203 expression levels in AML and explore its potential clinical significance. Quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) was performed to measure the serum miR-203 levels in 134 patients with AML and 70 healthy controls. The results demonstrated that serum miR-203 expression was significantly reduced in AML patients compared with healthy controls. Receiver operating characteristic curve (ROC) analysis revealed miR-203 could distinguish AML cases from normal controls. Low serum miR-203 levels were associated with worse clinical features, as well as poorer overall survival and relapse free survival of AML patients. Moreover, multivariate analysis confirmed low serum miR-203 expression to be an independent unfavorable prognostic predictor for AML. The bioinformatics analysis showed that the downstream genes and pathways of miR-203 was closely associated with tumorigenesis. Downregulation of miR-203 in AML cell lines upregulated the expression levels of oncogenic promoters such as CREB1, SRC and HDAC1. Thus, these findings demonstrated that serum miR-203 might be a promising biomarker for the diagnosis and prognosis of AML.
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Affiliation(s)
- Yingmeng Guo
- a Department of Pediatric medicine, Linyi Central Hospital , Yishui , China
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Jiang Y, Jin S, Tan S, Shen Q, Xue Y. MiR-203 acts as a radiosensitizer of gastric cancer cells by directly targeting ZEB1. Onco Targets Ther 2019; 12:6093-6104. [PMID: 31440062 PMCID: PMC6679680 DOI: 10.2147/ott.s197539] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 03/29/2019] [Indexed: 12/11/2022] Open
Abstract
Objective: Gastric cancer (GC) is a common tumor malignancy with high incidence and poor prognosis. Radiotherapy is one of the main strategies for GC treatment, while development of radioresistance limits the effectiveness. microRNA-203 (miR-203) has been reported to participate in progression of GC, whereas its interaction with radiosensitivity of GC and the related mechanism remain largely unclear. Methods: The expressions of miR-203 and zinc finger E-box binding homeobox 1 (ZEB1) were measured in GC tissues and cells by quantitative real-time polymerase chain reaction or western blot. Survival fraction, cell viability and apoptosis were measured in GC cells after treatment of radiation by colony formation, 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay or flow cytometry, respectively. Tumor volume and weight were detected in murine xenograft model after radiation treatment. The interaction between miR-203 and ZEB1 was explored by bioinformatics analysis and luciferase activity assay. Results: miR-203 expression was down-regulated and ZEB1 mRNA level was up-regulated in GC. The expression of miR-203 was associated with radiosensitivity of GC cells. Moreover, overexpression of miR-203 decreased survival fraction, cell viability and tumor growth but promoted cell apoptosis in radiation-treated GC cells. However, knockdown of miR-203 played an opposite effect. ZEB1 was validated as a target of miR-203, and it was involved in miR-203-mediated radiosensitivity of GC cells in vitro and in vivo. Conclusion: miR-203 promoted radiosensitivity of GC cells by targeting ZEB1, indicating miR-203 as a promising radiosensitizer for GC treatment.
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Affiliation(s)
- Ying Jiang
- Department of Oncology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, People's Republic of China
| | - Shan Jin
- Department of Oncology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, People's Republic of China
| | - Shisheng Tan
- Department of Oncology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, People's Republic of China
| | - Qi Shen
- Department of Oncology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, People's Republic of China
| | - Yingbo Xue
- Department of Oncology, Guizhou Provincial People's Hospital, Guiyang, Guizhou, People's Republic of China
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Zheng Z, Rong G, Li G, Ren F, Ma Y. Diagnostic and prognostic significance of serum miR-203 in patients with acute myeloid leukemia. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2019; 12:1548-1556. [PMID: 31933972 PMCID: PMC6947105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 02/26/2019] [Indexed: 06/10/2023]
Abstract
MicroRNAs play important roles in the initiation and progression of acute myeloid leukemia (AML). This study aimed to detect serum miR-203 expression levels in AML and explore its potential clinical significance. Quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) was performed to measure the serum miR-203 levels in 134 patients with AML and 70 healthy controls. The results demonstrated that serum miR-203 expression was significantly reduced in AML patients compared with healthy controls. Receiver operating characteristic curve (ROC) analysis revealed miR-203 could distinguish AML cases from normal controls. Low serum miR-203 levels were associated with worse clinical features, as well as poorer overall survival and relapse free survival of AML patients. Moreover, multivariate analysis confirmed low serum miR-203 expression to be an independent unfavorable prognostic predictor for AML. The bioinformatics analysis showed that the downstream genes and pathways of miR-203 was closely associated with tumorigenesis. Downregulation of miR-203 in AML cell lines upregulated the expression levels of oncogenic promoters such as CREB1, SRC and HDAC1. Thus, these findings demonstrated that serum miR-203 might be a promising biomarker for the diagnosis and prognosis of AML.
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Affiliation(s)
- Zhuanzhen Zheng
- The Second Hospital of Shanxi Medical UniversityTaiyuan 030001, Shanxi Province, China
| | - Gong Rong
- Shanxi Academy of Medical Sciences, Shanxi University HospitalTaiyuan 030006, Shanxi Province, China
| | - Guoxia Li
- The Second Hospital of Shanxi Medical UniversityTaiyuan 030001, Shanxi Province, China
| | - Fanggang Ren
- The Second Hospital of Shanxi Medical UniversityTaiyuan 030001, Shanxi Province, China
| | - Yanping Ma
- The Second Hospital of Shanxi Medical UniversityTaiyuan 030001, Shanxi Province, China
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Liu W, Cui Z, Zan X. Identifying cancer‐related microRNAs based on subpathways. IET Syst Biol 2018; 12:273-278. [DOI: 10.1049/iet-syb.2018.5025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Wenbin Liu
- Institute of Computational Science and Technology, Guangzhou UniversityGuangzhouPeople's Republic of China
| | - Zhendong Cui
- Institute of Computational Science and Technology, Guangzhou UniversityGuangzhouPeople's Republic of China
| | - Xiangzhen Zan
- Department of Information EngineeringWenzhou Vocational College of Science and TechnologyWenzhouPeople's Republic of China
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Sawaki K, Kanda M, Kodera Y. Review of recent efforts to discover biomarkers for early detection, monitoring, prognosis, and prediction of treatment responses of patients with gastric cancer. Expert Rev Gastroenterol Hepatol 2018; 12:657-670. [PMID: 29902383 DOI: 10.1080/17474124.2018.1489233] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gastric cancer (GC) is the leading cause of cancer-related death worldwide. Despite recent advances in diagnosis and therapy, the prognosis of patients with GC is poor. Many patients have inoperable disease upon diagnosis or experience recurrent disease after curative gastrectomy. Unfortunately, tumor markers for GC, such as serum carcinoembryonic antigen and carbohydrate antigen 19-9, lack sufficient sensitivity and specificity. Therefore, effective biomarkers are required to detect early GC and to predict tumor recurrence and chemosensitivity. Areas covered: Here we aimed to review recent developments in techniques that improve the detection of aberrant expression of GC-associated molecules, including protein coding genes, microRNAs, long noncoding RNAs, and methylated promoter DNAs. Expert commentary: Detection of genetic and epigenetic alterations in gastric tissue or in the circulation will likely improve the diagnosis and management of GC to achieve significantly improved outcomes.
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Affiliation(s)
- Koichi Sawaki
- a Department of Gastroenterological Surgery (Surgery II) , Nagoya University Graduate School of Medicine , Nagoya , Japan
| | - Mitsuro Kanda
- a Department of Gastroenterological Surgery (Surgery II) , Nagoya University Graduate School of Medicine , Nagoya , Japan
| | - Yasuhiro Kodera
- a Department of Gastroenterological Surgery (Surgery II) , Nagoya University Graduate School of Medicine , Nagoya , Japan
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Genome-Wide Screen for MicroRNAs Reveals a Role for miR-203 in Melanoma Metastasis. J Invest Dermatol 2018; 138:882-892. [DOI: 10.1016/j.jid.2017.09.049] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 08/30/2017] [Accepted: 09/11/2017] [Indexed: 11/18/2022]
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Gao P, Wang S, Jing F, Zhan J, Wang Y. microRNA-203 suppresses invasion of gastric cancer cells by targeting ERK1/2/Slug/ E-cadherin signaling. Cancer Biomark 2018; 19:11-20. [PMID: 28269747 DOI: 10.3233/cbm-160167] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND AIMS Growing evidence suggests that microRNA plays an essential role in the development and metastasis of many tumors, including gastric cancer (GC). Expression of microRNA-203 (miR-203) has been reported to decrease in GC. In addition, overexpression of miR-203 inhibits grow of GC cells in vitro and in vivo. However, whether miR-203 affects cell migration and invasion of GC remains unclear. This study aimed to reveal the role of miR-203 on migration and invasion of GC, and its potential mechanisms. METHODS Synthetic pre-miR-203 (miR-203), anti-miR-203 and scrambled negative control RNAs was transfected into the gastric cancer SGC7901 cells to generate miR-203 or anti-miR-203-transfected stable clones. The roles of miR-203 on cell invasion and motility were then analyzed by Transwell migration assay and Wound healing assay in vitro. Using siRNA to targeting ERK1/2, Slug, and E-cadherin or Slug cDNA transfection (to increase Slug expression) to examine the miR-203 signaling pathway. We also examined the efficacies of miR-203 or anti-miR-203 on peritoneal metastasis of SGC7901 cells in the nude mouse model. RESULTS Overexpression of miR-203 inhibits SGC7901 cell invasion and motility, followed by decreased phospho-ERK1/2 (pERK1/2) and Slug expression, as well as increased E-cadherin expression. Re-expression of Slug in miR-203/SGC7901cells decreased E-cadherin expression and restored the invasive phenotypes. Targeting E-cadherin in miR-203/SGC7901cells also restored the invasive phenotypes. Inhibition of miR-203 promotes SGC7901 cell invasion and motility, followed by increased phospho-ERK1/2 (pERK1/2) and Slug expression, as well as decreased E-cadherin expression. Targeting ERK1/2 or Slug in anti-miR-203/SGC7901cells increased E-cadherin expression and reversed the invasive phenotypes. In addition, targeting ERK1/2 decreased Slug and increased the E-cadherin expression. Significantly, we found that miR-203 could exert marked inhibition of the peritoneal metastasis of SGC7901 in nude mice in vivo. Targeting miR-203 could exert marked promotion of the peritoneal metastasis of SGC7901 in nude mice in vivo. CONCLUSIONS miR-203/ERK1/2/Slug/E-cadherin signaling pathway plays an essential role on SGC7901 cell invasion and motility. miR-203 can be novel modalities to prevent peritoneal metastasis of invasive cancers such as gastric cancer.
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Affiliation(s)
- Peng Gao
- Department of Emergency Surgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Shijie Wang
- Department of Gastroenterology, People's Hospital of Juxian, Rizhao, Shandong, China
| | - Fuchun Jing
- Department of General Surgery, The Second Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Jiang Zhan
- Department of General Surgery, The Second Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yunhui Wang
- Department of General Surgery, The Second Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
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Qian YY, Li K, Liu QY, Liu ZS. Long non-coding RNA PTENP1 interacts with miR-193a-3p to suppress cell migration and invasion through the PTEN pathway in hepatocellular carcinoma. Oncotarget 2017; 8:107859-107869. [PMID: 29296207 PMCID: PMC5746109 DOI: 10.18632/oncotarget.22305] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/13/2017] [Indexed: 12/13/2022] Open
Abstract
Long non-coding RNA PTENP1, the pseudogene of PTEN tumor suppressor, was previously reported to be a tumour suppressor in some cancer types. However, the precise effects mediated by PTENP1 transcripts within intricate regulatory networks involving molecular interactions with PTEN and tumorigenicity in hepatocellular carcinoma (HCC) remains elusive. Here, we identify the critical biological functions of PTENP1 and discuss whether PTENP1 could directly interact with miR-193a-3p to affect the progression of HCC both in vitro and in vivo. We demonstrated that PTENP1 level in the HCC tissues was significantly lower compared with those in the adjacent normal tissues. And PTENP1 was able to repress cell invasion, metastasis, and proliferation capacity in HCC cell lines. The overexpression of PTENP1 inhibited HCC growth both in vitro and in vivo. There were a binding sequence and direct interaction between PTENP1 and miR-193a-3p. PTENP1 as an endogenous sponge interacted with miR-193a-3p, leading to regulate the downstream PTEN/Akt pathway. These results suggested that PTENP1 with its suppression effect might serve as novel biomarkers and potent therapeutic strategies in HCC.
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Affiliation(s)
- Yu-Yuan Qian
- Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Kun Li
- Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Quan-Yan Liu
- Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Zhi-Su Liu
- Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
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Chu SJ, Wang G, Zhang PF, Zhang R, Huang YX, Lu YM, Da W, Sun Q, Zhang J, Zhu JS. Retraction Note: MicroRNA-203 suppresses gastric cancer growth by targeting PIBF1/Akt signaling. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2017; 36:61. [PMID: 28468640 PMCID: PMC5415773 DOI: 10.1186/s13046-017-0529-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 04/04/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Shao-Jun Chu
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Shanghai, 200233, China
| | - Ge Wang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Peng-Fei Zhang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Rui Zhang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Yan-Xia Huang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Yun-Min Lu
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Wei Da
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Qun Sun
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China
| | - Jing Zhang
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China.
| | - Jin-Shui Zhu
- Department of Gastroenterology, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, Yishan Road No. 600, Shanghai, 200233, China.
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Lu Y, Wang J, Liu L, Yu L, Zhao N, Zhou X, Lu X. Curcumin increases the sensitivity of Paclitaxel-resistant NSCLC cells to Paclitaxel through microRNA-30c-mediated MTA1 reduction. Tumour Biol 2017; 39:1010428317698353. [PMID: 28443468 DOI: 10.1177/1010428317698353] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Non-small-cell lung cancer is one of the most lethal cancers in the worldwide. Although Paclitaxel-based combinational therapies have long been used as a standard treatment in aggressive non-small-cell lung cancers, Paclitaxel resistance emerges as a major clinical problem. It has been demonstrated that Curcumin from Curcuma longa as a traditional Chinese medicine can inhibit cancer cell proliferation. However, the role of Curcumin in Paclitaxel-resistant non-small-cell lung cancer cells is not clear. In this study, we investigated the effect of Curcumin on the Paclitaxel-resistant non-small-cell lung cancer cells and found that Curcumin treatment markedly increased the sensitivity of Paclitaxel-resistant non-small-cell lung cancer cells to Paclitaxel. Mechanically, the study revealed that Curcumin could reduce the expression of metastasis-associated gene 1 (MTA1) gene through upregulation of microRNA-30c in Paclitaxel-resistant non-small-cell lung cancer cells. During the course, MTA1 reduction sensitized Paclitaxel-resistant non-small-cell lung cancer cells and enhanced the effect of Paclitaxel. Taken together, our studies indicate that Curcumin increases the sensitivity of Paclitaxel-resistant non-small-cell lung cancer cells to Paclitaxel through microRNA-30c-mediated MTA1 reduction. Curcumin might be a potential adjuvant for non-small-cell lung cancer patients during Paclitaxel treatment.
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Affiliation(s)
- Yimin Lu
- 1 Department of Respiratory, The First People's Hospital of Kunshan Affiliated to Jiangsu University, Suzhou, China
| | - Jun Wang
- 2 Department of Respiratory, Suzhou Kowloon Hospital Affiliated with Shanghai Jiao Tong University School of Medicine, Suzhou, China
| | - Lei Liu
- 1 Department of Respiratory, The First People's Hospital of Kunshan Affiliated to Jiangsu University, Suzhou, China
| | - Lequn Yu
- 1 Department of Respiratory, The First People's Hospital of Kunshan Affiliated to Jiangsu University, Suzhou, China
| | - Nian Zhao
- 1 Department of Respiratory, The First People's Hospital of Kunshan Affiliated to Jiangsu University, Suzhou, China
| | - Xingju Zhou
- 1 Department of Respiratory, The First People's Hospital of Kunshan Affiliated to Jiangsu University, Suzhou, China
| | - Xudong Lu
- 1 Department of Respiratory, The First People's Hospital of Kunshan Affiliated to Jiangsu University, Suzhou, China
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Wang L, Mou Y, Meng D, Sun Y, Chen X, Yang X, Jia C, Song X, Li X. MicroRNA-203 inhibits tumour growth and metastasis through PDPN. Clin Otolaryngol 2016; 42:620-628. [PMID: 27775879 DOI: 10.1111/coa.12785] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/16/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVE MicroRNAs play an important role in regulating hypopharyngeal cancer development. miR-203 has been previously shown to possess antitumour capabilities in many cancers, but not in hypopharyngeal cancer. DESIGN Using human normal and hypopharyngeal cancer specimens, we explored the expression levels of miR-203 in the two groups and further correlated them with different stages of cancer and lymph node metastasis. SETTING AND PARTICIPANTS Applying human pharynx FaDu cancer cells and lentiviral transduction technique, we investigated the effects of miR-203 on cancer cell viability, migration and invasion. Moreover, we studied the novel relationship between miR-203 and podoplanin (PDPN) in hypopharyngeal cancer. RESULTS The downregulated levels of miR-203 in human hypopharyngeal cancer tissues were associated with advanced cancer stages and lymph node metastasis. High levels of miR-203 inhibited cell viability, migration and invasion of hypopharyngeal cancer cells. Further studies suggested miR-203 directly targeted and inhibited PDPN expression. PDPN silencing suppresses hypopharyngeal cancer cell abilities. In addition, PDPN overexpression was able to reverse miR-203 inhibitory effects on cell viability, migration and invasion. CONCLUSION PDPN acts as an oncogene to promote hypopharyngeal cancer cell viability, migration and invasion. miR-203 directly targets PDPN to suppress its expression, thus exerting inhibitory effects on cancer metastasis.
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Affiliation(s)
- L Wang
- Department of Otorhinolaryngology, Qilu Hospital of Shandong University, Jinan, Shandong, China.,Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - Y Mou
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - D Meng
- Intensive Care Unit, Yuhuangding Hospital, Yantai, Shandong, China
| | - Y Sun
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - X Chen
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - X Yang
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - C Jia
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - X Song
- Department of Otorhinolaryngology Head and Neck Surgery, Yuhuangding Hospital, Yantai, Shandong, China
| | - X Li
- Department of Otorhinolaryngology, Qilu Hospital of Shandong University, Jinan, Shandong, China
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Wang J, Jiao Y, Cui L, Jiang L. miR-30 functions as an oncomiR in gastric cancer cells through regulation of P53-mediated mitochondrial apoptotic pathway. Biosci Biotechnol Biochem 2016; 81:119-126. [PMID: 27729002 DOI: 10.1080/09168451.2016.1238294] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The present study was designed to investigate the role of miR-30 in the development of Gastric cancer (GC). miR-30 expression was increased in GC tissues and cell lines. Downregulation of miR-30 inhibited cell proliferation and promoted apoptosis in HGC-27 cells. Upregulation of miR-30 enhanced the proliferation and inhibited apoptosis. P53 expression was decreased in GC tissues. P53 expression was correlated with miR-30 expression. Downregulation of miR-30 increased P53 expression. Knockdown of P53 inhibited miR-30-inhibitor-induced suppression of cell proliferation and increase of apoptosis. Downregulation of miR-30 increased ROS generation which was inhibited by shP53. miR-30 inhibitors induced a decrease in mitochondrial oxygen consumption, cytoplasmic release of cytochrome c, and activation of Caspase 3 and 9, activating mitochondrial apoptotic pathway. Downregulation of P53 and N-acetyl-cysteine suppressed miR-30 inhibitors-activated mitochondrial dysfunction and apoptotic events. In conclusion, we identified that miR-30 functioned as a potential oncomiR through P53/ROS-mediated regulation of mitochondrial apoptotic pathway.
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Affiliation(s)
- Jianjun Wang
- a Department of General Surgery , Hongqi Hospital, Mudanjiang Medical College , Mudanjiang , China
| | - Yang Jiao
- a Department of General Surgery , Hongqi Hospital, Mudanjiang Medical College , Mudanjiang , China
| | - Lunmeng Cui
- b Intensive Care Unit, Hongqi Hospital, Mudanjiang Medical College , Mudanjiang , China
| | - Lili Jiang
- c Department of Urology , Hongqi Hospital, Mudanjiang Medical College , Mudanjiang , China
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Linc00152 Functions as a Competing Endogenous RNA to Confer Oxaliplatin Resistance and Holds Prognostic Values in Colon Cancer. Mol Ther 2016; 24:2064-2077. [PMID: 27633443 DOI: 10.1038/mt.2016.180] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 09/07/2016] [Indexed: 02/06/2023] Open
Abstract
Long noncoding RNAs act as crucial regulators in plenty of human cancers, yet their potential roles and molecular mechanisms in chemoresistance are poorly understood. This study showed that a novel lncRNA, long intergenic noncoding RNA 152 (Linc00152 ), promoted tumor progression and conferred resistance to oxaliplatin (L-OHP)-induced apoptosis in vitro and in vivo. It antagonized chemosensitivity through acting as a competing endogenous RNA to modulate the expression of miR-193a-3p, and then erb-b2 receptor tyrosine kinase 4 (ERBB4). Knockdown of ERBB4 in colon cancer cells decreased AKT phosphorylation, which resulted in decreased L-OHP resistance. Consistent with above findings, the specific AKT signaling inhibitor and activator were used, respectively, which demonstrated that Linc00152 contributed to L-OHP resistance at least partly through activating AKT pathway. Further studies indicated that Linc00152 was increased and appeared to be an independent prognostic factor for decreased survival and increased disease recurrence in stage II and III colon cancer patients undergoing L-OHP-based chemotherapy after surgery. Collectively, our findings established Linc00152 as a candidate prognostic indicator of outcome and drug responsiveness in colon cancer patients, and the involvement of competing endogenous RNAs mechanism in Linc00152/miR-193a-3p/ERBB4/AKT signaling axis may provide a novel choice in the investigation of drug resistance.
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Wu XY, Liu WT, Wu ZF, Chen C, Liu JY, Wu GN, Yao XQ, Liu FK, Li G. Identification of HRAS as cancer-promoting gene in gastric carcinoma cell aggressiveness. Am J Cancer Res 2016; 6:1935-1948. [PMID: 27725900 PMCID: PMC5043104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 06/21/2016] [Indexed: 06/06/2023] Open
Abstract
Gastric carcinoma is one of the most lethal malignancies of cancers and its prognosis remains dismal due to the paucity of effective therapeutic targets. Herein, we showed that HRAS is markedly up-regulated in gastric carcinoma. Prognostic analysis indicated that HRAS expression might be a prognostic indicator for the survival of patients with gastric carcinoma. Ectopic expression of HRAS in gastric carcinoma cells accelerated proliferation, migration, invasion, angiogenesis, and clone formation ability of gastric carcinoma cells in vitro. Furthermore, HRAS over-expressing significantly promoted the tumorigenicity of gastric carcinoma cells in vivo whereas silencing endogenous HRAS caused opposite outcomes. Moreover, we demonstrated that HRAS enhanced gastric carcinoma aggressiveness by activating VEGFA/PI3K/AKT pathway and Raf-1 signaling. Together, our results provide new evidence that HRAS overexpression promotes the progression of gastric carcinoma and might represent a novel therapeutic target for its treatment.
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Affiliation(s)
- Xiao Yu Wu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Wen Tao Liu
- Department of Surgery, Ruijin Hospital, Shanghai Jiaotong University, Shanghai Institute of Digestive Surgery197 Ruijin 2 Road, Shanghai 200025, China
| | - Zhen Feng Wu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Che Chen
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Jia Yun Liu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Guan Nan Wu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Xue Quan Yao
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Fu Kun Liu
- Department of Surgical Oncology, Affiliated Hospital of Nanjing University of Traditional Chinese MedicineNo. 155 Hanzhong Road, Nanjing 210029, Jiangsu, China
| | - Gang Li
- Department of General Surgery, Jiangsu Cancer Hospital, The Affiliated Cancer Hospital of Nanjing Medical UniversityNo. 42 Baiziting, Nanjing 210009, Jiangsu, China
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Zhang B, Ji S, Ma F, Ma Q, Lu X, Chen X. miR-489 acts as a tumor suppressor in human gastric cancer by targeting PROX1. Am J Cancer Res 2016; 6:2021-2030. [PMID: 27725907 PMCID: PMC5043111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 08/09/2016] [Indexed: 06/06/2023] Open
Abstract
Dysregulation of microRNAs (miRNAs) are linked to tumorigenesis and tumor progression. In this study, we examined the expression of miR-489 in gastric cancer tissues and cells. Loss- and gain-of-function experiments were done to determine the roles of miR-489 in gastric cancer cell proliferation and invasion. Bioinformatic prediction, luciferase reporter assays, and Western blot analysis were employed to identify the target gene(s) of miR-489. We found that miR-489 was significantly (P < 0.05) downregulated in human gastric cancer tissues and cell lines, compared to their non-malignant counterparts. Enforced expression of miR-489 significantly suppressed gastric cancer cell proliferation and invasion, while miR-489 knockdown enhanced the aggressive behaviors of gastric cancer cells. Prospero homeobox 1 (PROX1) was identified to be a direct target of miR-489. A significant negative correlation was seen between miR-489 and PROX1 protein expression in gastric cancer tissues (r = -0.462, P = 0.023). Silencing of PROX1 phenocopied the suppressive effects of miR-489 in gastric cancer cells. Rescue experiments demonstrated that overexpression of a miR-489-resistant form of PROX1 significantly prevented the reduction in cell proliferation and invasion induced by miR-489 overexpression. In vivo studies confirmed that miR-489 overexpression retarded the growth of xenograft tumors, which was accompanied by reduced PROX1 expression. Overall, these data provide evidence for the suppressive activity of miR-489 in gastric cancer, which is ascribed to targeting of PROX1. The miR-489/PROX1 axis may represent a potential therapeutic target for this disease.
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Affiliation(s)
- Bin Zhang
- Department of General Surgery, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University Zhengzhou, China
| | - Sheqing Ji
- Department of General Surgery, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University Zhengzhou, China
| | - Fei Ma
- Department of General Surgery, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University Zhengzhou, China
| | - Qi Ma
- Department of General Surgery, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University Zhengzhou, China
| | - Xianzhi Lu
- Department of General Surgery, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University Zhengzhou, China
| | - Xiaobing Chen
- Department of General Surgery, Henan Cancer Hospital, The Affiliated Cancer Hospital of Zhengzhou University Zhengzhou, China
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18
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Arias Sosa LA, Bernal Gómez BM, Cuspoca Orduz AF. Supresión tumoral por microARN en el cáncer gástrico. GACETA MEXICANA DE ONCOLOGÍA 2016. [DOI: 10.1016/j.gamo.2016.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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