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Wang Y, Gao F, Lu J. MEG3 rs7158663 genetic polymorphism is associated with the risk of hepatocellular carcinoma. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2024:1-11. [PMID: 38728583 DOI: 10.1080/15257770.2024.2350513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 04/24/2024] [Indexed: 05/12/2024]
Abstract
Recently, a meta-analysis has shown that a potentially functional genetic polymorphism (rs7158663 A > G) on the cancer-associated lncRNA MEG3 is associated with the risk of many types of cancer. Given the important role of MEG3 in the development of hepatocellular carcinoma (HCC), the current study evaluated the association of the rs7158663 genetic polymorphism with HCC risk. A total of 271 HCC patients and 267 healthy individuals were included in the current case-control study. Direct sequencing was used to detect the rs7158663 locus genotype of the included individuals. The case-control study showed that the MEG3 rs7158663 genetic polymorphism was associated with the increased risk of developing HCC [GA vs. GG: OR = 1.63, 95% CI = 1.14-2.34, p = 0.009; AA vs. GG: OR = 2.10, 95% CI = 1.10-4.08, p = 0.03; (GA + AA) vs. GG: OR = 1.70, 95% CI = 1.21-2.40, p = 0.003; A vs. G: OR = 1.53, 95% CI = 1.17-2.00, p = 0.002]. In addition, the genotype-tissue expression showed that the rs7158663 AA or GA genotype was associated with reduced MEG3 expression. Bioinformatic analysis showed that the rs7158663 genetic polymorphism not only affects the binding of transcription factors but also interacts with multiple genes through chromatin loops. In summary, the current findings suggest that the rs7158663 genetic polymorphism affecting MEG3 expression is associated with HCC risk and may serve as a marker of genetic susceptibility to HCC. However, the specific molecular mechanisms of the rs7158663 genetic polymorphism in the development of HCC need to be further revealed.
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Affiliation(s)
- Yong Wang
- Center of Interventional Radiology and Vascular Surgery, Department of Radiology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Fulei Gao
- Center of Interventional Radiology and Vascular Surgery, Department of Radiology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
| | - Jian Lu
- Center of Interventional Radiology and Vascular Surgery, Department of Radiology, Zhongda Hospital, Medical School, Southeast University, Nanjing, China
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Zhang L, Xing F, Bao L. Circ-0000979 promotes the development of gastric carcinoma by sponging miR-136 and modulating SP1 mRNA expression level. Histol Histopathol 2023; 38:1205-1217. [PMID: 36629013 DOI: 10.14670/hh-18-578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Circular RNAs (circRNAs) are a new class of non-coding RNAs that play pivotal biological roles in several types of cancer cells. However, the role of circ-0000979 in gastric cancer (GC) has never been explored. Therefore, the current study aims to examine the functional effects of circ-0000979 in GC development and progression. The expression level of circ-0000979 was validated using qRT-PCR analysis. We found that circ-0000979 is significantly upregulated in GC samples. Using AGS and HGC27 GC cell line, we examined the biological functions and regulatory mechanisms of circ-0000979 in GC in vitro and in vivo by knocking down circ-0000979. We found that circ-0000979 is sub-cellularly localized in the cytoplasm of GC cells. Functionally, silencing circ-0000979 leads to a significant reduction in GC cell proliferation and migration. In vivo assays showed that circ-0000979 knockdown markedly reduced GC tumor growth. CircRNA interactome predicted miR-136 as circ-0000979 targeting miRNA, while starbase prediction result showed that miR-136 targeted the 3'UTR region of SP1 mRNA. Taken together, our results demonstrated that circ-0000979, as a carcinogenic circRNA, promotes the progression of GC by regulating the miR-136/SP1 pathway. Circ-0000979 is a potential RNA-based therapeutic target for GC treatment.
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Affiliation(s)
- Lihua Zhang
- Department of Pathology, Fourth Medical Center of PLA General Hospital, Beijing, PR China
| | - Fengjuan Xing
- Department of Pathology, The Affliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shangdong province, PR China
| | - Lei Bao
- Department of Pathology, The Affliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shangdong province, PR China.
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Xu J, Qu Q, Liu B, Shen L. The circular RNA circ_0030018/miR-136/migration and invasion enhancer 1 (MIEN1) axis promotes the progression of polycystic ovary syndrome. Bioengineered 2022; 13:5999-6011. [PMID: 35184658 PMCID: PMC8974126 DOI: 10.1080/21655979.2022.2041796] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Affiliation(s)
- Jing Xu
- Department of General Gynecology, Chongqing Health Center for Women and Children, Chongqing China
| | - Qinghua Qu
- Department of Gynecological Endocrinology, Chongqing Health Center for Women and Children, Chongqing China
| | - Bao Liu
- Department of General Gynecology, Chongqing Health Center for Women and Children, Chongqing China
| | - Liyuan Shen
- Department of General Gynecology, Chongqing Health Center for Women and Children, Chongqing China
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Long Noncoding RNA MIR100HG Knockdown Attenuates Hepatocellular Carcinoma Progression by Regulating MicroRNA-146b-5p/Chromobox 6. Gastroenterol Res Pract 2021; 2021:6832518. [PMID: 34381502 PMCID: PMC8352691 DOI: 10.1155/2021/6832518] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/08/2021] [Accepted: 07/14/2021] [Indexed: 02/07/2023] Open
Abstract
Purpose Hepatocellular carcinoma (HCC) accounts for approximately ninety percent of primary liver cancer. This study attempted to investigate the effects of the long noncoding RNA MIR100HG (MIR100HG) in HCC and the underlying molecular mechanism. Materials and Methods qRT-PCR was implemented to analyze the expression of MIR100HG, microRNA-146b-5p (miR-146b-5p), and Chromobox 6 (CBX6). The correlation between MIR100HG and clinicopathological features of HCC patients was assessed. Additionally, the effects of MIR100HG knockdown on HCC cell viability, migration, and invasion were explored. The interactions among MIR100HG, miR-146b-5p, and CBX6 were confirmed. Furthermore, rescue experiments were conducted to investigate whether MIR100HG knockdown modulates HCC cell behaviors through modulating the miR-146b-5p/CBX6 axis. Results The expression of MIR100HG and CBX6 was enhanced, while miR-146b-5p was inhibited in HCC cells. High MIR100HG expression was positively associated with the TNM tumor stage and Edmondson-Steiner grading in HCC patients. MIR100HG knockdown considerably reduced the HCC cell viability, migration, and invasion. In addition, MIR100HG directly targeted miR-146b-5p, and miR-146b-5p directly targeted CBX6 in HCC cells. Moreover, miR-146b-5p suppression or CBX6 elevation evidently rescued the suppressed viability, migration, and invasion of HCC cells caused by MIR100HG knockdown. Conclusions Knockdown of MIR100HG inhibited the viability, migration, and invasion of HCC cells by targeting the miR-146b-5p/CBX6 axis, offering a potential therapeutic target for HCC therapy.
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Gong Z, Huang W, Wang B, Liang N, Long S, Li W, Zhou Q. Interplay between cyclooxygenase‑2 and microRNAs in cancer (Review). Mol Med Rep 2021; 23:347. [PMID: 33760116 PMCID: PMC7974460 DOI: 10.3892/mmr.2021.11986] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 02/23/2021] [Indexed: 02/06/2023] Open
Abstract
Tumor‑associated inflammation and aberrantly expressed biomarkers have been demonstrated to play crucial roles in the cancer microenvironment. Cyclooxygenase‑2 (COX‑2), a prominent inflammatory factor, is highly expressed in tumor cells and contributes to tumor growth, recurrence and metastasis. Overexpression of COX‑2 may occur at both transcriptional and post‑transcriptional levels. Thus, an improved understanding of the regulatory mechanisms of COX‑2 can facilitate the development of novel antitumor therapies. MicroRNAs (miRNAs) are a group of small non‑coding RNAs that act as translation repressors of target mRNAs, and play vital roles in regulating cancer development and progression. The present review discusses the association between miRNAs and COX‑2 expression in different types of cancer. Understanding the regulatory role of miRNAs in COX‑2 post‑transcription can provide novel insight for suppressing COX‑2 expression via gene silencing mechanisms, which offer new perspectives and future directions for the development of novel COX‑2 selective inhibitors based on miRNAs.
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Affiliation(s)
- Zexiong Gong
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Weiguo Huang
- Cancer Research Institute, Medical College of University of South China, Hengyang, Hunan 421001, P.R. China
| | - Baiyun Wang
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Na Liang
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Songkai Long
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Wanjun Li
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
| | - Qier Zhou
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, Hunan 421002, P.R. China
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Sun MX, He XP, Huang PY, Qi Q, Sun WH, Liu GS, Hua J. Acetyl-11-keto-β-boswellic acid inhibits proliferation and induces apoptosis of gastric cancer cells through the phosphatase and tensin homolog /Akt/ cyclooxygenase-2 signaling pathway. World J Gastroenterol 2020; 26:5822-5835. [PMID: 33132637 PMCID: PMC7579763 DOI: 10.3748/wjg.v26.i38.5822] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/08/2020] [Accepted: 08/25/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Gastric cancer is one of the most common malignant tumors of the digestive system worldwide, posing a serious danger to human health. Cyclooxygenase (COX)-2 plays an important role in the carcinogenesis and progression of gastric cancer. Acetyl-11-keto-β-boswellic acid (AKBA) is a promising drug for cancer therapy, but its effects and mechanism of action on human gastric cancer remain unclear.
AIM To evaluate whether the phosphatase and tensin homolog (PTEN)/Akt/COX-2 signaling pathway is involved in the anti-tumor effect of AKBA in gastric cancer.
METHODS Human poorly differentiated BGC823 and moderately differentiated SGC7901 gastric cancer cells were routinely cultured in Roswell Park Memorial Institute 1640 medium supplemented with 10% fetal bovine serum and 1% penicillin/streptomycin. Gastric cancer cell proliferation was determined by methyl thiazolyl tetrazolium colorimetric assay. Apoptosis was measured by flow cytometry. Cell migration was assessed using the wound-healing assay. Expression of Bcl-2, Bax, proliferating cell nuclear antigen, PTEN, p-Akt, and COX-2 were detected by Western blot analysis. A xenograft nude mouse model of human gastric cancer was established to evaluate the anti-cancer effect of AKBA in vivo.
RESULTS AKBA significantly inhibited the proliferation of gastric cancer cells in a dose- and time-dependent manner, inhibited migration in a time-dependent manner, and induced apoptosis in a dose-dependent manner in vitro; it also inhibited tumor growth in vivo. AKBA up-regulated the expression of PTEN and Bax, and down-regulated the expression of proliferating cell nuclear antigen, Bcl-2, p-Akt, and COX-2 in a dose-dependent manner. The PTEN inhibitor bpv (Hopic) reversed the high expression of PTEN and low expression of p-Akt and COX-2 that were induced by AKBA. The Akt inhibitor MK2206 combined with AKBA down- regulated the expression of p-Akt and COX-2, and the combined effect was better than that of AKBA alone.
CONCLUSION AKBA inhibits the proliferation and migration and promotes the apoptosis of gastric cancer cells through the PTEN/Akt/COX-2 signaling pathway.
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Affiliation(s)
- Meng-Xue Sun
- Department of Geriatric Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
| | - Xiao-Pu He
- Department of Geriatric Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
| | - Pei-Yun Huang
- Department of Geriatric Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
| | - Qi Qi
- Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
| | - Wei-Hao Sun
- Department of Geriatric Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
| | - Gao-Shuang Liu
- Department of Geriatric Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
| | - Jie Hua
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, Jiangsu Province, China
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Peng Z, Li M, Tan X, Xiang P, Wang H, Luo Y, Yang Y, Huang H, Chen Z, Xia H, Li Y, Zhang J, Gu C, Liu M, Wang Q, Chen M, Yang J. miR-211-5p alleviates focal cerebral ischemia-reperfusion injury in rats by down-regulating the expression of COX2. Biochem Pharmacol 2020; 177:113983. [PMID: 32311346 DOI: 10.1016/j.bcp.2020.113983] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 04/15/2020] [Indexed: 12/14/2022]
Abstract
The present study was to investigate the role of microRNA (miR)-211-5p on cerebral ischemia-reperfusion injury (CIRI) and clarify its underlying mechanisms. Middle cerebral artery occlusion/reperfusion (MCAO/R) was operated on male Sprague Dawley (SD) rats, oxygen-glucose deprivation/reperfusion (OGD/R) was conducted on pheochromocytoma-12 (PC12) cells. Here, we found that miR-211-5p and Cyclooxygenase (COX2) expressions were altered in the plasma, cortex and hippocampus of MCAO/R-treated rats, as well as in the OGD/R-treaded PC12 cells. In vivo, overexpression of miR-211-5p resulted in decrease of infarct volumes, neurological deficit scores and histopathological damage. In vitro, miR-211-5p overexpression significantly decreased cell apoptosis and Lactate dehydrogenase (LDH) release rate, increased cell viability. Furthermore, our data showed that miR-211-5p overexpression markedly reduced the expressions of COX2 mRNA and protein, and the contents of Prostaglandin D2 (PGD2), PGE2, tumor necrosis factor-α (TNF-α) and Interleukin-1β (IL-1β). In addition, inhibition of COX2 significantly rescued the effects of miR-211-5p inhibitor. At last, dual luciferase experimental data showed that miR-211-5p regulated the mRNA stability of COX2 by directly binding to the 3'-untranslated region (3'-UTR) of COX2. In conclusion, our data suggested the neuroprotective effects of miR-211-5p on CIRI by targeting COX2.
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Affiliation(s)
- Zhe Peng
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Miaomiao Li
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Xiaodan Tan
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Pu Xiang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Hong Wang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Ying Luo
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Yang Yang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Haifeng Huang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Zhihao Chen
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Hui Xia
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Yuke Li
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Jiahua Zhang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Chao Gu
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Maozhu Liu
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Qiong Wang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Mengyuan Chen
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China
| | - Junqing Yang
- College of Pharmacy, Chongqing Medical University, Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing 400016, China.
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Abstract
Abdominal tumors (AT) in children account for approximately 17% of all pediatric solid tumor cases, and frequently exhibit embryonal histological features that differentiate them from adult cancers. Current molecular approaches have greatly improved the understanding of the distinctive pathology of each tumor type and enabled the characterization of novel tumor biomarkers. As seen in abdominal adult tumors, microRNAs (miRNAs) have been increasingly implicated in either the initiation or progression of childhood cancer. Moreover, besides predicting patient prognosis, they represent valuable diagnostic tools that may also assist the surveillance of tumor behavior and treatment response, as well as the identification of the primary metastatic sites. Thus, the present study was undertaken to compile up-to-date information regarding the role of dysregulated miRNAs in the most common histological variants of AT, including neuroblastoma, nephroblastoma, hepatoblastoma, hepatocarcinoma, and adrenal tumors. Additionally, the clinical implications of dysregulated miRNAs as potential diagnostic tools or indicators of prognosis were evaluated.
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9
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Inhibition of PSMD4 blocks the tumorigenesis of hepatocellular carcinoma. Gene 2019; 702:66-74. [DOI: 10.1016/j.gene.2019.03.063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 03/14/2019] [Accepted: 03/27/2019] [Indexed: 02/07/2023]
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Tang D, Zhao L, Peng C, Ran K, Mu R, Ao Y. LncRNA CRNDE promotes hepatocellular carcinoma progression by upregulating SIX1 through modulating miR‐337‐3p. J Cell Biochem 2019; 120:16128-16142. [PMID: 31099050 DOI: 10.1002/jcb.28894] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/10/2019] [Accepted: 03/22/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Dan Tang
- Department of Hepatobiliary and Pancreatic Surgery Affiliated Hospital of Zunyi Medical College Zunyi Guizhou China
| | - Lijin Zhao
- Department of Hepatobiliary and Pancreatic Surgery Affiliated Hospital of Zunyi Medical College Zunyi Guizhou China
| | - Cijun Peng
- Department of Hepatobiliary and Pancreatic Surgery Affiliated Hospital of Zunyi Medical College Zunyi Guizhou China
| | - Kaiqiong Ran
- Department of Hepatobiliary and Pancreatic Surgery Affiliated Hospital of Zunyi Medical College Zunyi Guizhou China
| | - Rui Mu
- Department of Hepatobiliary and Pancreatic Surgery Affiliated Hospital of Zunyi Medical College Zunyi Guizhou China
| | - Yu Ao
- Department of Hepatobiliary and Pancreatic Surgery Affiliated Hospital of Zunyi Medical College Zunyi Guizhou China
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Chu Y, Hu X, Wang G, Wang Z, Wang Y. Downregulation of miR-136 promotes the progression of osteosarcoma and is associated with the prognosis of patients with osteosarcoma. Oncol Lett 2019; 17:5210-5218. [PMID: 31186737 DOI: 10.3892/ol.2019.10203] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 02/02/2019] [Indexed: 12/20/2022] Open
Abstract
Osteosarcoma (OS) is the most common bone tumor in children and young adults, and is an aggressive tumor with poor prognosis. MicroRNAs (miRNAs) are aberrantly expressed in various types of cancer, and contribute to cancer tumorigenesis and progression. In the present study, the potential prognostic value and biological function of miRNA-136 (miR-136) in OS was investigated. Reverse transcription-quantitative polymerase chain reaction analysis was used to evaluate the expression of miR-136 in OS tissues and cell lines. Kaplan-Meier survival analysis and Cox regression analysis were conducted to investigate the prognostic significance of miR-136. Various in vitro cell based assays were used to evaluate the effects of miR-136 on the biological behavior of OS cells. A luciferase assay was performed to determine the key miR-136 targets associated with OS. The expression of miR-136 was significantly downregulated in osteosarcoma tissues and cells compared with the normal controls (all P<0.05). Decreased miR-136 expression was significantly associated with Enneking staging (P=0.030) and distant metastasis (P=0.016). Decreased miR-136 expression in patients was associated with shorter overall survival compared with patients with increased expression levels (log-rank test; P<0.05). The expression of miR-136 was indicated as an independent prognostic factor for the patients (hazard ratio=0.496; 95% confidence interval=0.250-0.987; P=0.046). MTT, transwell and Matrigel assays demonstrated that upregulation of miR-136 decreased proliferation, migration and invasion of OS cells. Bioinformatics and luciferase assays demonstrated that migration and invasion enhancer 1 (MIEN1) is a direct target of miR-136. Together, the results suggested that miR-136 functions as a tumor suppressor gene to regulate proliferation, migration and invasion of OS cells. MIEN1 was a potential target of miR-136. Additionally, miR-136 may serve as a prognostic biomarker for OS.
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Affiliation(s)
- Yanchen Chu
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Xiaoli Hu
- Department of Obstetrics and Gynecology, Women and Children's Hospital of Linyi City, Linyi, Shandong 276000, P.R. China
| | - Guangfeng Wang
- Department of Medical Administration, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Zhijie Wang
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Yanjin Wang
- Department of Orthopedics, Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
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Yu J, Jiang L, Gao Y, Sun Q, Liu B, Hu Y, Han X. Interaction between BMSCs and EPCs promotes IUA angiogenesis via modulating PI3K/Akt/Cox2 axis. Am J Transl Res 2018; 10:4280-4289. [PMID: 30662670 PMCID: PMC6325499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 11/05/2018] [Indexed: 06/09/2023]
Abstract
Intrauterine adhesion (IUA) is a common disease among women after uterus operation. BMSCs are commonly used as a therapeutic agent for IUA treatment, but the underlying mechanism is not fully delineated. Here we showed that BMSCs co-cultured with EPCs promotes proliferative ability and decreases apoptosis ratio of BMSCs and EPCs. In addition, BMSCs promote the differentiation of EPCs into vascular endothelial cells, and BMSCs derived epithelial cells are also induced by EPCs. We also found that the levels of Collagen Type I, vascular endothelial growth factor (VEGF), granulocyte-macrophage colony stimulating factor (GM-CSF) and bone morphogenetic protein (BMP-2) are significantly increased in the co-culturing system comparing to those of the BMSCs or EPCs alone group. Of note, PI3K/Akt/Cox2 axis is activated in the co-culturing system and LY294002 abrogates the co-culturing system's effects on cell proliferation, apoptosis and cytokines secretion, which are reversed by synergistically overexpressing Cox2. In conclusion, our in vitro experiments proved that the interaction of BMSCs and EPCs might promote angiogenesis and alleviate IUA pathogenesis by regulating PI3K/Akt/Cox2 axis mediated modulation of cell apoptosis, proliferation, differentiation and angiogenesis-associated cytokines secretion.
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Affiliation(s)
- Jing Yu
- Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University, Cancer Hospital of Yunnan ProvinceKunming, China
| | - Lijuan Jiang
- Department of Scientific Research and Education, The First Affiliated Hospital of Yunnan University of Traditional Chinese MedicineKunming, Yunnan, China
| | - Yutao Gao
- Department of Gynecology, The First Affiliated Hospital of Kunming Medical UniversityKunming, Yunnan, China
| | - Qijian Sun
- Department of Gynecology, The First Affiliated Hospital of Kunming Medical UniversityKunming, Yunnan, China
| | - Beibei Liu
- Department of Gynecology, The First Affiliated Hospital of Kunming Medical UniversityKunming, Yunnan, China
| | - Yong Hu
- Department of Gynecology, The First Affiliated Hospital of Kunming Medical UniversityKunming, Yunnan, China
| | - Xuesong Han
- Department of Gynecology, The First Affiliated Hospital of Kunming Medical UniversityKunming, Yunnan, China
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Tong D, Liu Q, Wang LA, Xie Q, Pang J, Huang Y, Wang L, Liu G, Zhang D, Lan W, Jiang J. The roles of the COX2/PGE2/EP axis in therapeutic resistance. Cancer Metastasis Rev 2018; 37:355-368. [DOI: 10.1007/s10555-018-9752-y] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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