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Li J, Song H, Chen T, Zhang S, Zhang C, Ma C, Zhang L, Wang T, Qian Y, Deng X. Lysine Methyltransferase 5A Promotes the Progression of Growth Hormone Pituitary Neuroendocrine Tumors through the Wnt/β-Catenin Signaling Pathway. Neuroendocrinology 2024; 114:589-601. [PMID: 38565081 PMCID: PMC11152009 DOI: 10.1159/000538560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 03/25/2024] [Indexed: 04/04/2024]
Abstract
INTRODUCTION Growth hormone (GH) secreting pituitary adenoma is considered one of the most harmful types of Pituitary Neuroendocrine Tumors (PitNETs). Our previous research has found that high expression of Lysine methyltransferase 5A (KMT5A) is closely related to the proliferation of PitNETs. The aim of this study was to investigate the role and molecular mechanism of KMT5A in the progression of GH PitNETs. METHODS Immunohistochemistry, qRT-PCR, and Western blot (WB) were used to assess the expression levels of KMT5A in human normal pituitary and GH PitNETs, as well as in rat normal pituitary and GH3 cells. Additionally, we utilized RNA interference technology and treatment with a selective KMT5A inhibitor to decrease the expression of KMT5A in GH3 cells. CCK-8, EdU, flow cytometry (FCM), clone formation, and WB assay were further employed to evaluate the impact of KMT5A on the proliferation of GH3 cells in vitro. A xenograft model was established to evaluate the role of KMT5A in GH PitNETs progression in vivo. RESULTS KMT5A was highly expressed in GH PitNETs and GH3 cells. Moreover, the reduction of KMT5A expression led to inhibited growth of GH PitNETs and increased apoptosis of tumor cells, as indicated by the findings from CCK-8, EdU, clone formation, and FCM assays. Additionally, WB analysis identified the Wnt/β-catenin signaling pathway as a potential mechanism through which KMT5A promotes GH PitNETs progression. CONCLUSION Our research suggests that KMT5A may facilitate the progression of GH PitNETs via the Wnt/β-catenin signaling pathway. Therefore, KMT5A may serve as a potential therapeutic target and molecular biomarker for GH PitNETs.
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Affiliation(s)
- Junjun Li
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Hao Song
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Guangyuan Central Hospital, Guangyuan, China
| | - Ting Chen
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Sixi Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Chao Zhang
- Xiangyang First People’s Hospital, Xiangyang, China
| | - Chen Ma
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Lingye Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Tengfei Wang
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yuan Qian
- The Clinical Medical Research Center for Obstetrics and Gynecology (Yunnan Joint Key Laboratory), Kunming City of Maternal and Child Health Hospital, Kunming City of Women and Children Hospital, Kunming, China
| | - Xingli Deng
- Department of Neurosurgery, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Puer People’s Hospital, Puer, China
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Szczepanek J, Tretyn A. MicroRNA-Mediated Regulation of Histone-Modifying Enzymes in Cancer: Mechanisms and Therapeutic Implications. Biomolecules 2023; 13:1590. [PMID: 38002272 PMCID: PMC10669115 DOI: 10.3390/biom13111590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/22/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
In the past decade, significant advances in molecular research have provided a deeper understanding of the intricate regulatory mechanisms involved in carcinogenesis. MicroRNAs, short non-coding RNA sequences, exert substantial influence on gene expression by repressing translation or inducing mRNA degradation. In the context of cancer, miRNA dysregulation is prevalent and closely associated with various stages of carcinogenesis, including initiation, progression, and metastasis. One crucial aspect of the cancer phenotype is the activity of histone-modifying enzymes that govern chromatin accessibility for transcription factors, thus impacting gene expression. Recent studies have revealed that miRNAs play a significant role in modulating these histone-modifying enzymes, leading to significant implications for genes related to proliferation, differentiation, and apoptosis in cancer cells. This article provides an overview of current research on the mechanisms by which miRNAs regulate the activity of histone-modifying enzymes in the context of cancer. Both direct and indirect mechanisms through which miRNAs influence enzyme expression are discussed. Additionally, potential therapeutic implications arising from miRNA manipulation to selectively impact histone-modifying enzyme activity are presented. The insights from this analysis hold significant therapeutic promise, suggesting the utility of miRNAs as tools for the precise regulation of chromatin-related processes and gene expression. A contemporary focus on molecular regulatory mechanisms opens therapeutic pathways that can effectively influence the control of tumor cell growth and dissemination.
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Affiliation(s)
- Joanna Szczepanek
- Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University, ul. Wilenska 4, 87-100 Torun, Poland
| | - Andrzej Tretyn
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, ul. Lwowska 1, 87-100 Torun, Poland;
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3
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Genetic variant in miR-17-92 cluster binding sites is associated with esophageal squamous cell carcinoma risk in Chinese population. BMC Cancer 2022; 22:1253. [PMID: 36461008 PMCID: PMC9719157 DOI: 10.1186/s12885-022-10360-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 11/23/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Single nucleotide polymorphisms (SNPs) located in microRNA (miRNA) binding sites can affect the interactions between miRNAs and target genes, which is related to cancer susceptibility and tumorigenesis. However, the association between SNPs located in miR-17-92 cluster binding sites and ESCC risk remains unclear. Therefore, we aimed to explore the relationship between polymorphisms in miR-17-92 cluster binding sites and ESCC susceptibility. METHODS Six SNPs in the binding sites of miR-17-92 cluster were selected using bioinformatics databases, and their association with ESCC risk was investigated in a case-control study (including 488 cases and 512 controls) based on the population from high incidence areas of ESCC in China. We evaluated the SNP-SNP and SNP-smoking interactions using generalized multifactor dimensionality reduction (GMDR). Moreover, the expression of the miR-17-92 cluster and its target genes was determined in ESCC and adjacent normal tissues by quantitative real-time polymerase chain reaction (qRT-PCR). The dual-luciferase reporter assay was conducted to verify the effect of SNPs on the binding affinity between miRNAs and target genes. RESULTS We found that the SNP rs1804506 C > T had a significant association with the decreased ESCC risk. The SNP rs1804506 T allele was associated with a significantly decreased risk of ESCC in the additive model (OR = 0.817, 95% CI = 0.681-0.981, P = 0.030). The rs1804506 T allele had more striking effects on reducing ESCC risk in older individuals, female or non-smoker subgroups. We also found a significant interaction effect between rs1366600 and smoking by GMDR methods (P = 0.011). Additionally, the expression levels of miR-19a-3p and TGFBR3 were significantly downregulated in ESCC tissues compared with normal tissues, and the carriers of rs1804506 TT genotype had lower expression level of TGFBR3 than those of rs1804506 CC/CT genotype. Following dual-luciferase reporter assay showed that the rs1804506 T allele reduced the binding of miR-19a-3p and TGFBR3 3'-UTR. CONCLUSIONS Our findings suggest that the rs1804506 polymorphism in miR-17-92 cluster binding sites contributes to the susceptibility of ESCC, which might provide new clues and scientific evidence for the etiology and biomarkers for the prevention and treatment of ESCC.
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Kukita A, Sone K, Kaneko S, Kawakami E, Oki S, Kojima M, Wada M, Toyohara Y, Takahashi Y, Inoue F, Tanimoto S, Taguchi A, Fukuda T, Miyamoto Y, Tanikawa M, Mori-Uchino M, Tsuruga T, Iriyama T, Matsumoto Y, Nagasaka K, Wada-Hiraike O, Oda K, Hamamoto R, Osuga Y. The Histone Methyltransferase SETD8 Regulates the Expression of Tumor Suppressor Genes via H4K20 Methylation and the p53 Signaling Pathway in Endometrial Cancer Cells. Cancers (Basel) 2022; 14:5367. [PMID: 36358786 PMCID: PMC9655767 DOI: 10.3390/cancers14215367] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 08/01/2023] Open
Abstract
The histone methyltransferase SET domain-containing protein 8 (SETD8), which methylates histone H4 lysine 20 (H4K20) and non-histone proteins such as p53, plays key roles in human carcinogenesis. Our aim was to determine the involvement of SETD8 in endometrial cancer and its therapeutic potential and identify the downstream genes regulated by SETD8 via H4K20 methylation and the p53 signaling pathway. We examined the expression profile of SETD8 and evaluated whether SETD8 plays a critical role in the proliferation of endometrial cancer cells using small interfering RNAs (siRNAs). We identified the prognostically important genes regulated by SETD8 via H4K20 methylation and p53 signaling using chromatin immunoprecipitation sequencing, RNA sequencing, and machine learning. We confirmed that SETD8 expression was elevated in endometrial cancer tissues. Our in vitro results suggest that the suppression of SETD8 using siRNA or a selective inhibitor attenuated cell proliferation and promoted the apoptosis of endometrial cancer cells. In these cells, SETD8 regulates genes via H4K20 methylation and the p53 signaling pathway. We also identified the prognostically important genes related to apoptosis, such as those encoding KIAA1324 and TP73, in endometrial cancer. SETD8 is an important gene for carcinogenesis and progression of endometrial cancer via H4K20 methylation.
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Affiliation(s)
- Asako Kukita
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Kenbun Sone
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Syuzo Kaneko
- Division of Medical AI Research and Development, National Cancer Center Research Institute, Tokyo 104-0045, Japan
- Cancer Translational Research Team, RIKEN Center for Advanced Intelligence Project, Tokyo 103-0027, Japan
| | - Eiryo Kawakami
- Graduate School of Medicine, Chiba University, Chiba 263-8522, Japan
| | - Shinya Oki
- National Hospital Organization Tokyo Medical Center, Tokyo 152-8902, Japan
| | - Machiko Kojima
- Tazuke Kofukai, Medical Research Institute, Kitano Hospital, Osaka 530-8480, Japan
| | - Miku Wada
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yusuke Toyohara
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yu Takahashi
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Futaba Inoue
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Saki Tanimoto
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Ayumi Taguchi
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Tomohiko Fukuda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yuichiro Miyamoto
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Michihiro Tanikawa
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Mayuyo Mori-Uchino
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Tetsushi Tsuruga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Takayuki Iriyama
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Yoko Matsumoto
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Kazunori Nagasaka
- Department of Obstetrics and Gynecology, Teikyo University School of Medicine, Tokyo 173-0003, Japan
| | - Osamu Wada-Hiraike
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Katsutoshi Oda
- Division of Integrated Genomics, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Ryuji Hamamoto
- Division of Medical AI Research and Development, National Cancer Center Research Institute, Tokyo 104-0045, Japan
- Cancer Translational Research Team, RIKEN Center for Advanced Intelligence Project, Tokyo 103-0027, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
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Wu Y, Liu M, Zhang R, Sun M, Wei Q, Zhao K, Wang M. Potentially functional genetic variants of the Notch signaling pathway genes predict survival of Chinese patients with Esophageal Squamous Cell Carcinoma. J Gene Med 2022; 24:e3438. [PMID: 35821600 DOI: 10.1002/jgm.3438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/20/2022] [Accepted: 05/29/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The Notch signaling pathway is involved in progression of esophageal squamous cell carcinoma (ESCC), but the roles of single nucleotide polymorphisms (SNPs) of the Notch signaling pathway genes in the process remain unknown. METHODS The present study included 1,009 patients with histopathologically diagnosed ESCC at Fudan University Shanghai Cancer Center (FUSCC). The two-stage multivariate Cox proportional hazards regression analysis was used to estimate associations between 13,248 SNPs in 103 Notch signaling pathway genes and overall survival of the patients. RESULTS We found that overall survival of the patients was significantly associated with genotypes of HDAC9 rs1729318 (AT+TT vs AA: HR = 1.44, 95% CI = 1.16-1.80, Pcombined = 0.001) and HDAC9 rs1339555498 (GT +TT vs GG: HR = 1.38, 95% CI = 1.10-1.74, Pcombined = 0.005). Further receiver operator characteristic (ROC) curve analysis indicated that the model with both available clinical factors and these two SNPs improved the area under the ROC curve, compared with the model with clinical factors only (1-year: 0.66 vs. 0.64, P = 0.034). Additional expression quantitative trait loci (eQTL) analysis showed that the rs1729318 T variant genotypes were associated with increased mRNA expression levels of HDAC9 in normal esophageal muscular tissue (P = 0.003). CONCLUSIONS The results suggest that these two potential functional SNPs on HDAC9 may serve as biomarkers for predicting survival of ESCC patients. However, further studies are needed to confirm these findings.
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Affiliation(s)
- Yuanna Wu
- Cancer Institute, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Yiwu Research Institute of Fudan University, Yiwu, Zhejiang, China
| | - Ming Liu
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Shanghai Key Laboratory of Radiation Oncology, Shanghai, China
| | - Ruoxin Zhang
- Yiwu Research Institute of Fudan University, Yiwu, Zhejiang, China.,School of Public Health, Fudan University, Key Laboratory of Public Health Safety, Ministry of Education, Shanghai, China
| | - Menghong Sun
- Department of Pathology, Tissue Bank, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Qingyi Wei
- Duke Cancer Institute, Duke University Medical Center, Durham, North Carolina, USA.,Department of Population Health Sciences, Duke University School of Medicine, Durham, North Carolina, USA
| | - Kuaile Zhao
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Yiwu Research Institute of Fudan University, Yiwu, Zhejiang, China.,Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Mengyun Wang
- Cancer Institute, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Yiwu Research Institute of Fudan University, Yiwu, Zhejiang, China
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Epi-miRNAs: Regulators of the Histone Modification Machinery in Human Cancer. JOURNAL OF ONCOLOGY 2022; 2022:4889807. [PMID: 35087589 PMCID: PMC8789461 DOI: 10.1155/2022/4889807] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/14/2021] [Indexed: 12/18/2022]
Abstract
Cancer is a leading cause of death and disability worldwide. Epigenetic deregulation is one of the most critical mechanisms in carcinogenesis and can be classified into effects on DNA methylation and histone modification. MicroRNAs are small noncoding RNAs involved in fine-tuning their target genes after transcription. Various microRNAs control the expression of histone modifiers and are involved in a variety of cancers. Therefore, overexpression or downregulation of microRNAs can alter cell fate and cause malignancies. In this review, we discuss the role of microRNAs in regulating the histone modification machinery in various cancers, with a focus on the histone-modifying enzymes such as acetylases, deacetylases, methyltransferases, demethylases, kinases, phosphatases, desumoylases, ubiquitinases, and deubiquitinases. Understanding of microRNA-related aberrations underlying histone modifiers in pathogenesis of different cancers can help identify novel therapeutic targets or early detection approaches that allow better management of patients or monitoring of treatment response.
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LncRNA LINC00473 is involved in the progression of invasive pituitary adenoma by upregulating KMT5A via ceRNA-mediated miR-502-3p evasion. Cell Death Dis 2021; 12:580. [PMID: 34091587 PMCID: PMC8179925 DOI: 10.1038/s41419-021-03861-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/18/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023]
Abstract
Long noncoding RNAs (lncRNAs) and their crosstalks with other RNAs have been revealed to be closely related to tumorigenesis and development, but their role in invasive pituitary adenoma (IPA) remains largely unclear. In our study, LINC00473 was identified as the most upregulated lncRNA in IPA by whole transcriptome RNA sequencing (RNA-Seq). Further, its related signaling pathway LINC00473/miR-502-3p/KMT5A was obtained by constructing a competing endogenous RNA (ceRNA) regulatory network. Their expression in IPA and non-invasive pituitary adenoma (NIPA) tissues was verified by qRT-PCR. Then the effects and mechanisms of LINC00473 and its ceRNA network on the proliferation of pituitary adenoma (PA) cells were confirmed by gene overexpression or silencing techniques combined with CCK-8 assay, EdU staining, flow cytometry assay, and double luciferase reporter gene assay in PA cell lines AtT-20 and GT1-1 in vitro and in a xenograft model in vivo. LINC00473 is overexpressed in IPA and can promote PA cells proliferation. Mechanistically, overexpression of LINC00473 restricts miR-502-3p through the ceRNA mechanism, upregulates KMT5A expression, and promotes the expression of cyclin D1 and CDK2, which is conducive to the cell cycle process, thereby promoting the proliferation of PA cells, involving IPA progression.
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Wu J, Zhao Q, Zhao Y, Zhang X, Tian Y, Guo Z. Dicer increases the indication for trastuzumab treatment in gastric cancer patients via overexpression of human epidermal growth factor receptor 2. Sci Rep 2021; 11:6993. [PMID: 33772068 PMCID: PMC7997953 DOI: 10.1038/s41598-021-86485-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 03/08/2021] [Indexed: 01/01/2023] Open
Abstract
The low proportion of gastric cancer (GC) patients with high HER2 expression limits the clinical application of trastuzumab, a humanized epidermal growth factor receptor 2 (HER2) antibody targeting for GC treatment. We found that Dicer was positively correlated with HER2 expression in GC tissue by immunostaining as well as induce HER2 overexpression without increasing invasiveness of GC cell. In addition, both the growth of GC referring to cell proliferation, invasion, migration and apoptosis was inhibited by Dicer overexpression. Moreover, the HER2 overexpression induced by Dicer provided more effective and additive target for trastuzumab to amplify the inhibition effect for GC cells in vitro and in vivo. Furthermore, as assessed in a subsequent experiment, calcitriol induced HER2 overexpression and amplified the inhibition effect of trastuzumab in GC cells referring to proliferation. Our finding demonstrated the calcitriol might increase indication of trastuzumab by inducing HER2 overexpression in GC patients. Dicer would be a potential target that extend the clinical indications of HER2 antibody in patients with low or negative HER2, who were not fit for HER2 antibody treatment before.
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Affiliation(s)
- Jianhua Wu
- Animal Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Qun Zhao
- Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Yue Zhao
- Department of Gastroenterology and Hepatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Xiaoyun Zhang
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050011, People's Republic of China
| | - Yuan Tian
- Department of Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, People's Republic of China
| | - Zhanjun Guo
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, 12 Jiankang Road, Shijiazhuang, 050011, People's Republic of China.
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Epigenetic Modifier SETD8 as a Therapeutic Target for High-Grade Serous Ovarian Cancer. Biomolecules 2020; 10:biom10121686. [PMID: 33339442 PMCID: PMC7766894 DOI: 10.3390/biom10121686] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/26/2020] [Accepted: 12/14/2020] [Indexed: 01/29/2023] Open
Abstract
The histone methyltransferase SETD8, which methylates the lysine 20 of histone H4 (H4K20), is reportedly involved in human carcinogenesis along with nonhistone proteins such as p53. However, its expression profiles and functions in the context of high-grade serous ovarian carcinoma (HGSOC) are still unknown. The purpose of this study was to investigate the role of SETD8 in HGSOC. We performed quantitative real-time PCR and immunohistochemistry to detect the expression of SETD8 in HGSOC samples and normal ovarian specimens. Then, we assessed the effect of the inhibition of SETD8 expression using small interfering RNA (siRNA) and a selective inhibitor (UNC0379) on cell proliferation and apoptosis in HGSOC cells. The expression of SETD8 was significantly upregulated in clinical ovarian cancer specimens compared to that in the corresponding normal ovary. In addition, suppression of SETD8 expression in HGSOC cells with either siRNA or UNC0379 resulted in reduced levels of H4K20 monomethylation, inhibition of cell proliferation, and induction of apoptosis. Furthermore, UNC0379 showed a long-term antitumor effect against HGSOC cells, as demonstrated by colony-formation assays. SETD8 thus constitutes a promising therapeutic target for HGSOC, warranting further functional studies.
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10
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Zhang X, Peng Y, Yuan Y, Gao Y, Hu F, Wang J, Zhu X, Feng X, Cheng Y, Wei Y, Fan X, Xie Y, Lv Y, Ashktorab H, Smoot D, Li S, Meltzer SJ, Hou G, Jin Z. Histone methyltransferase SET8 is regulated by miR-192/215 and induces oncogene-induced senescence via p53-dependent DNA damage in human gastric carcinoma cells. Cell Death Dis 2020; 11:937. [PMID: 33127874 PMCID: PMC7599338 DOI: 10.1038/s41419-020-03130-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 10/09/2020] [Accepted: 10/12/2020] [Indexed: 12/21/2022]
Abstract
Gastric cancer (GC) is the most common cancer throughout the world. Despite advances of the treatments, detailed oncogenic mechanisms are largely unknown. In our previous study, we investigated microRNA (miR) expression profiles in human GC using miR microarrays. We found miR-192/215 were upregulated in GC tissues. Then gene microarray was implemented to discover the targets of miR-192/215. We compared the expression profile of BGC823 cells transfected with miR-192/215 inhibitors, and HFE145 cells transfected with miR-192/-215 mimics, respectively. SET8 was identified as a proposed target based on the expression change of more than twofold. SET8 belongs to the SET domain-containing methyltransferase family and specifically catalyzes monomethylation of H4K20me. It is involved in diverse functions in tumorigenesis and metastasis. Therefore, we focused on the contributions of miR-192/215/SET8 axis to the development of GC. In this study, we observe that functionally, SET8 regulated by miR-192/215 is involved in GC-related biological activities. SET8 is also found to trigger oncogene-induced senescence (OIS) in GC in vivo and in vitro, which is dependent on the DDR (DNA damage response) and p53. Our findings reveal that SET8 functions as a negative regulator of metastasis via the OIS-signaling pathway. Taken together, we investigated the functional significance, molecular mechanisms, and clinical impact of miR-192/215/SET8/p53 in GC.
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Affiliation(s)
- Xiaojing Zhang
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Yin Peng
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Yuan Yuan
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Yuli Gao
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Fan Hu
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Jian Wang
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Xiaohui Zhu
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Xianling Feng
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Yulan Cheng
- grid.21107.350000 0001 2171 9311Department of Medicine/GI Division, Johns Hopkins University School of Medicine and Sidney Ki-mmel Comprehensive Cancer Center, Baltimore, MD 21287 USA
| | - Yanjie Wei
- grid.458489.c0000 0001 0483 7922Center for High Performance Computing, Shenzhen Institutes of Advanced Technology, Shenzhen, Guangdong 518000 People’s Republic of China
| | - Xinmin Fan
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Yaohong Xie
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Yansi Lv
- grid.263488.30000 0001 0472 9649Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518060 People’s Republic of China
| | - Hassan Ashktorab
- grid.257127.40000 0001 0547 4545Department of Medicine and Cancer Center, Howard University College of Medicine, Washington, DC 20060 USA
| | - Duane Smoot
- Department of Medicine, Meharry Medical Center, Nashville, TN 37208 USA
| | - Song Li
- grid.454883.6Shenzhen Science & Technology Development Exchange Center, Shenzhen Science and Technology Building, Shenzhen, Guangdong 518055 People’s Republic of China
| | - Stephen J. Meltzer
- grid.21107.350000 0001 2171 9311Department of Medicine/GI Division, Johns Hopkins University School of Medicine and Sidney Ki-mmel Comprehensive Cancer Center, Baltimore, MD 21287 USA
| | - Gangqiang Hou
- Department of Medical Image Center, Kangning Hospital, Shenzhen, Guangdong Province, 518000, People's Republic of China.
| | - Zhe Jin
- Guangdong Key Laboratory for Genome Stability & Disease Prevention and Regional Immunity and Diseases, Department of Pathology, Shenzhen University School of Medicine, Shenzhen, Guangdong, 518060, People's Republic of China.
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11
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Liao L, Yao Z, Fang W, He Q, Xu WW, Li B. Epigenetics in Esophageal Cancer: From Mechanisms to Therapeutics. SMALL METHODS 2020; 4:2000391. [DOI: 10.1002/smtd.202000391] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Indexed: 02/05/2023]
Affiliation(s)
- Long Liao
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes Institute of Life and Health Engineering College of Life Science and Technology Jinan University Guangzhou 510632 China
| | - Zi‐Ting Yao
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes Institute of Life and Health Engineering College of Life Science and Technology Jinan University Guangzhou 510632 China
| | - Wang‐Kai Fang
- The Key Laboratory of Molecular Biology for High Cancer Incidence Coastal Chaoshan Area Department of Biochemistry and Molecular Biology Shantou University Medical College Shantou 515041 China
| | - Qing‐Yu He
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes Institute of Life and Health Engineering College of Life Science and Technology Jinan University Guangzhou 510632 China
| | - Wen Wen Xu
- MOE Key Laboratory of Tumor Molecular Biology and Guangdong Provincial Key Laboratory of Bioengineering Medicine National Engineering Research Center of Genetic Medicine Institute of Biomedicine College of Life Science and Technology Jinan University Guangzhou 510632 China
| | - Bin Li
- MOE Key Laboratory of Tumor Molecular Biology and Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes Institute of Life and Health Engineering College of Life Science and Technology Jinan University Guangzhou 510632 China
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12
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Sha Z, Lai R, Zhang X, Zhao Y, Wu J, Geng C, Guo Z. A Polymorphism at the microRNA Binding Site in the 3' Untranslated Region of KRT81 Is Associated with Breast Cancer. DNA Cell Biol 2020; 39:1886-1894. [PMID: 32678982 DOI: 10.1089/dna.2019.5179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Single nucleotide polymorphisms in miRNA binding sites (miR-SNPs) are associated with cancer risk. We assessed the relationship between five miR-SNPs in the 3' untranslated region (3'-UTR) of RYR3 (rs1044129), KIAA0423 (rs1053667), C14orf101 (rs4901706), GOLGA7 (rs11337), and KRT81 (rs3660) and the risk of breast cancer (BC). The CC genotype of rs3660 located in the 3'-UTR of KRT81 was identified for its association with lower BC risk (odds ratio, 0.093; 95% confidence interval, 0.045-0.193; p = 0.000). Immunnochemical analysis and Renilla luciferase reporter assays indicated that the CC genotype of KRT81 was associated with lower expression of KRT81 (p < 0.05). The subsequently functional analysis showed that knockdown the KRT81 could inhibit proliferation and promote apoptosis of the MDA-MB-231 BC cells (p < 0.05) with monocyte chemotactic protein-1 (MCP-1) deregulation. Meanwhile, KRT81 overexpression could promote the proliferation and inhibit the apoptosis of MCF-7 BC cells (p < 0.05). Our data demonstrated that the KRT81 expressional change modulated by rs3660 miR-SNP could modify the carcinogenesis of BC, thereby KRT81 would be a new target for BC treatment.
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Affiliation(s)
- Ziyue Sha
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Ruixue Lai
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Xiaoyun Zhang
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Yufei Zhao
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Jianhua Wu
- Department of Animal Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Cuizhi Geng
- Department of Breast Center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Zhanjun Guo
- Department of Immunology and Rheumatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
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13
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Epigenetic Alterations in Oesophageal Cancer: Expression and Role of the Involved Enzymes. Int J Mol Sci 2020; 21:ijms21103522. [PMID: 32429269 PMCID: PMC7278932 DOI: 10.3390/ijms21103522] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/12/2020] [Accepted: 05/13/2020] [Indexed: 12/25/2022] Open
Abstract
Oesophageal cancer is a life-threatening disease, accounting for high mortality rates. The poor prognosis of this malignancy is mostly due to late diagnosis and lack of effective therapies for advanced disease. Epigenetic alterations may constitute novel and attractive therapeutic targets, owing to their ubiquity in cancer and their reversible nature. Herein, we offer an overview of the most important studies which compared differences in expression of enzymes that mediate epigenetic alterations between oesophageal cancer and normal mucosa, as well as in vitro data addressing the role of these genes/proteins in oesophageal cancer. Furthermore, The Cancer Genome Atlas database was interrogated for the correlation between expression of these epigenetic markers and standard clinicopathological features. We concluded that most epigenetic players studied thus far are overexpressed in tumours compared to normal tissue. Furthermore, functional assays suggest an oncogenic role for most of those enzymes, supporting their potential as therapeutic targets in oesophageal cancer.
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14
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Wu J, Qiao K, Du Y, Zhang X, Cheng H, Peng L, Guo Z. Downregulation of histone methyltransferase SET8 inhibits progression of hepatocellular carcinoma. Sci Rep 2020; 10:4490. [PMID: 32161353 PMCID: PMC7066161 DOI: 10.1038/s41598-020-61402-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 02/26/2020] [Indexed: 11/09/2022] Open
Abstract
The expression of lysine methyltransferase SET8, which is involved in carcinogenesis of many types of human cancers through monomethylation of histone H4 lysine 20 (H4K20), is associated with the prognosis of hepatocellular carcinoma (HCC). We performed a functional analysis for SET8 to assess its effect on HCC progression. SET8 knockdown inhibited proliferation, migration and invasion of HCC cells. SET8 knockdown also inhibited tumour growth in a human xenograft mouse model. Overexpression of SET8 displayed the reverse effect, while treatment with the SET8 inhibitor UNC0379 produced an effect similar to SET8 knockdown. In addition, drug sensitivity testing in SET8-siRNA transfected HCC cells indicated that docetaxel inhibited cell growth dramatically, as demonstrated by the Cell Counting Kit-8 (CCK-8) assay. Furthermore, gene expression microarray analysis showed that genes altered after SET8 knockdown were clustered in pathways related to tumorigenesis and metastasis. Our data suggests that targeting SET8 for HCC therapy can inhibit the proliferation and invasion of HCC cells as well as increase their sensitivity to chemotherapy.
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Affiliation(s)
- Jianhua Wu
- Animal center, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Kuangyuan Qiao
- Basic Medical College, Hebei Medical University, Shijiazhuang, P.R. China
| | - Yanming Du
- Department of Rheumatology and Immuology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Xiaoyun Zhang
- Department of Rheumatology and Immuology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Haichao Cheng
- Department of Hepatobiliary Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
| | - Li Peng
- Department of Hepatobiliary Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China.
| | - Zhanjun Guo
- Department of Rheumatology and Immuology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China.
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15
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Piao L, Li H, Feng Y, Yang Z, Kim S, Xuan Y. SET domain-containing 5 is a potential prognostic biomarker that promotes esophageal squamous cell carcinoma stemness. Exp Cell Res 2020; 389:111861. [PMID: 31981592 DOI: 10.1016/j.yexcr.2020.111861] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 02/07/2023]
Abstract
SET domain-containing 5 (SETD5) is an uncharacterized member of the protein lysine methyltransferase family. Although it was reported that SETD5 gene mutations are associated with the several types of human cancer, its functional role in esophageal squamous cell carcinoma (ESCC) progression has not been fully elucidated. In the present study, we used tissue samples from 147 patients with ESCC and ESCC cell lines to determine the clinicopathological significance of SETD5 in ESCC and its effects on ESCC stemness. We performed immunohistochemical staining, immunofluorescence imaging, and tumor sphere formation, colony formation, flow cytometry, wound healing, Transwell, and western blotting assays. SETD5 expression was upregulated in ESCC tissue and associated with primary tumor (pT) stage, clinical stage, lymph node metastasis, shorter overall survival rate, and disease-free survival rate. Cox regression analyses indicated that SETD5 is an independent poor prognostic factor of ESCC. In addition, SETD5 expression was correlated with cancer stemness-related protein, hypoxia-inducible factor-1α (HIF-1α), and CD68 expression. Moreover, immunofluorescence analysis revealed that SETD5 was co-localized with CD44 and SOX2 in TE10 and TE11 cells and that exposing cells to cobalt chloride increased HIF-1α, SETD5, and stemness-related protein expression in a time-dependent manner. Furthermore, SETD5 expression was significantly correlated with the expression of cell cycle-related genes and PI3K/Akt signaling pathway-related proteins. Finally, knocking down SETD5 downregulated the expression of stemness-related and PI3K/Akt signaling pathway proteins, while inhibiting tumor spheroid formation, cell proliferation, migration, and invasion in ESCC cells. These results indicate that SETD5 expression is associated with cancer stemness and that SETD5 is a potential prognostic biomarker and therapeutic target for ESCC.
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Affiliation(s)
- Lihua Piao
- Institute for Regenerative Medicine, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China
| | - Haoyue Li
- Institute for Regenerative Medicine, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China; Department of Pathology, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China
| | - Ying Feng
- Institute for Regenerative Medicine, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China; Department of Pathology, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China
| | - Zhaoting Yang
- Institute for Regenerative Medicine, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China; Department of Pathology, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China
| | - Seokhyung Kim
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, 110-745, South Korea
| | - Yanhua Xuan
- Institute for Regenerative Medicine, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China; Department of Pathology, Yanbian University College of Medicine, Yanji, 133002, Jilin Province, PR China.
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16
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Smolinska A, Swoboda J, Fendler W, Lerch MM, Sendler M, Moskwa P. MiR-502 is the first reported miRNA simultaneously targeting two components of the classical non-homologous end joining (C-NHEJ) in pancreatic cell lines. Heliyon 2020; 6:e03187. [PMID: 32042960 PMCID: PMC7002776 DOI: 10.1016/j.heliyon.2020.e03187] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 11/22/2019] [Accepted: 01/06/2020] [Indexed: 12/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest cancers. Acquired inherited and/or somatic mutations drive its development. In order to prevent the formation of these mutations, precise and immediate repair of any DNA damage is indispensable. Non-homologous end-joining (NHEJ) is the key mechanism of DNA double-strand break repair. Here, we report that miR-502 targets two components in pancreatic cell lines, Ku70 and XLF of the C-NHEJ. Interestingly, we also observed an attenuated cell cycle response to gamma ionizing radiation (γ-IR) via diminished phosphorylation of checkpoint kinase 1 (Chk1) on serine 345 in these cell lines. Altogether, pancreatic cells showed increased susceptibility to γ-IR via direct inhibition of DNA double-strand break repair and attenuation of the cell cycle response.
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Affiliation(s)
- Agnieszka Smolinska
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Julia Swoboda
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Wojciech Fendler
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland.,Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Markus M Lerch
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Matthias Sendler
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
| | - Patryk Moskwa
- University Medicine Greifswald, Department of Internal Medicine A, Greifswald, Germany
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17
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Javadinia SA, Shahidsales S, Fanipakdel A, Mostafapour A, Joudi-Mashhad M, Ferns GA, Avan A. The Esophageal Cancer and the PI3K/AKT/mTOR Signaling Regulatory microRNAs: a Novel Marker for Prognosis, and a Possible Target for Immunotherapy. Curr Pharm Des 2019; 24:4646-4651. [PMID: 30636576 DOI: 10.2174/1381612825666190110143258] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 12/24/2018] [Accepted: 12/31/2018] [Indexed: 01/25/2023]
Abstract
The Phosphatidylinositol 3-kinase/AKT/Mammalian Target of Rapamycin (PI3K/AKT/mTOR) pathway has a critical regulatory role in cell biology including translation, transcription, and autophagy. Dysregulation of this pathway is involved in the pathogenesis, development, and prognosis of esophageal cancer that has been assessed in the recent years and its potential as a target in therapy. This report summarizes the current knowledge about PI3K/AKT/mTOR pathway and its cross-talk with a focus on the value of targeting this pathway as a potential therapeutic target in the treatment of esophageal cancer.
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Affiliation(s)
- Seyed A Javadinia
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Azar Fanipakdel
- Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Asma Mostafapour
- Metabolic syndrome Research center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Joudi-Mashhad
- Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Department of Medical Education, Brighton and Sussex Medical School Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex, United Kingdom
| | - Amir Avan
- Metabolic syndrome Research center, Mashhad University of Medical Sciences, Mashhad, Iran
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18
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Xiao Y, Su M, Ou W, Wang H, Tian B, Ma J, Tang J, Wu J, Wu Z, Wang W, Zhou Y. Involvement of noncoding RNAs in epigenetic modifications of esophageal cancer. Biomed Pharmacother 2019; 117:109192. [PMID: 31387188 DOI: 10.1016/j.biopha.2019.109192] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/19/2019] [Accepted: 06/28/2019] [Indexed: 12/16/2022] Open
Abstract
Esophageal cancer (EC) is a serious digestive malignancy and is a leading cause of cancer-related mortality. Apart from genetic mutations, many epigenetic alterations including DNA methylation and histone modifications associated with chromatin remodeling have been identified in the regulation of gene expression in EC. Recently, noncoding RNAs, and mainly lncRNAs and miRNAs, have been revealed to be involved in the epigenetic regulation of EC. In this review, we focus on describing new insights on epigenetic processes associated with noncoding RNAs, which have been characterized to be responsible for the development and progression of EC.
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Affiliation(s)
- Yuhang Xiao
- Department of Pharmacy, Xiangya Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Min Su
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China; Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Wei Ou
- Department of Pharmacy, The First People's Hospital of Yue Yang, Yue Yang, PR China
| | - Hui Wang
- Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Bo Tian
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Junliang Ma
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Jinming Tang
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Jie Wu
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Zhining Wu
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China
| | - Wenxiang Wang
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China; Hunan Key Laboratory of Translational Radiation Oncology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China.
| | - Yong Zhou
- Department of the 2nd Thoracic Surgery, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, PR China.
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19
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Lin ZZ, Ming DS, Chen YB, Zhang JM, Chen HH, Jiang JJ, Zhang ZS. KMT5A promotes metastasis of clear cell renal cell carcinoma through reducing cadherin-1 expression. Oncol Lett 2019; 17:4907-4913. [PMID: 31186699 PMCID: PMC6507477 DOI: 10.3892/ol.2019.10163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 12/17/2018] [Indexed: 01/04/2023] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is one of the most common types of kidney cancer and is accompanied by a poor prognosis due to a high potential for metastasis and recurrence. The mechanism of ccRCC metastasis is not well known. N-lysine methyltransferase KMT5A serves a crucial role in the progression of human cancer; however, the function of KMT5A in the development of ccRCCs has not yet been investigated, which has triggered an interest in investigating the potential association between KMT5A and ccRCC. The present study demonstrates for the first time that KMT5A is a driving factor in ccRCC metastasis. The KMT5A expression level was revealed to be significantly higher in ccRCC tissues compared with adjacent normal tissues. Patients with ccRCC whose tumors expressed high levels of KMT5A were demonstrated to have significantly shorter postoperative survival times. In vitro knockdown of KMT5A expression in 786-O cells inhibited cell migration and invasion. KMT5A reduced cadherin-1 (CDH1) protein levels by directly inhibiting its transcription. The CDH1 mRNA levels were inversely correlated with KMT5A expression in ccRCC samples. Patients with high tumor KMT5A or low CDH1 levels had the poorest prognosis with the shortest overall survival (OS) time, and this combination was demonstrated to be an independent prognostic indicator for patient OS time in ccRCC, more accurate than monitoring KMT5A or CDH1 alone. Together, these results indicate that KMT5A serves a vital role in ccRCC development and progression, and it may be a novel target for ccRCC treatment and prevention.
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Affiliation(s)
- Zhen-Zhong Lin
- Department of Clinical Laboratory, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - De-Song Ming
- Department of Clinical Laboratory, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Ya-Bin Chen
- Department of Clinical Laboratory, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Jian-Ming Zhang
- Department of Clinical Laboratory, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Hui-Hua Chen
- Department of Clinical Laboratory, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Jian-Jia Jiang
- Department of Endocrinology, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
| | - Zhi-Shan Zhang
- Department of Clinical Laboratory, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
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20
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Involving the microRNA Targetome in Esophageal-Cancer Development and Behavior. Cancers (Basel) 2018; 10:cancers10100381. [PMID: 30322005 PMCID: PMC6210990 DOI: 10.3390/cancers10100381] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/09/2018] [Accepted: 10/10/2018] [Indexed: 02/07/2023] Open
Abstract
Esophageal cancer (EC) is the eighth most common and sixth leading cause of cancer-related mortality in the world. Despite breakthroughs in EC diagnosis and treatment, patients with complete pathologic response after being submitted to chemoradiotherapy are still submitted to surgery, despite its high morbidity. Single-nucleotide polymorphisms (SNPs) in miRNA, miRNA-binding sites, and in its biogenesis pathway genes can alter miRNA expression patterns, thereby influencing cancer risk and prognosis. In this review, we systematized the information available regarding the impact of these miR-SNPs in EC development and prognosis. We found 34 miR-SNPs that were associated with EC risk. Despite the promising applicability of these miR-SNPs as disease biomarkers, they still lack validation in non-Asian populations. Moreover, there should be more pathway-based approaches to evaluate the cumulative effect of multiple unfavorable genotypes and, consequently, identify miR-SNPs signatures capable of predicting EC therapy response and prognosis.
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21
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Xu J, Pan X, Hu Z. MiR-502 mediates esophageal cancer cell TE1 proliferation by promoting AKT phosphorylation. Biochem Biophys Res Commun 2018; 501:119-123. [PMID: 29709473 DOI: 10.1016/j.bbrc.2018.04.188] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 04/24/2018] [Indexed: 01/08/2023]
Abstract
Esophageal cancer is one of the most common cancers in the world and esophageal squamous cell carcinoma is one of the two main types in esophageal cancer. MicroRNA is a small non-coding RNA molecule functions in many different cancers including esophageal cancer. We found miR-502 was up-regulated in esophageal tissues, which indicated miRNA-502 may play important roles in esophageal cancer. In this study, we used esophageal cancer cell line TE1 as an in vitro model for investigating the role of miR-502 in promoting the proliferation of the cancer cells. We found that overexpressing miR-502 in TE1 cells promoted the proliferation and inhibited the apoptosis induced by dox. Down-regulating miR-502 made the opposite phenomenon. Furthermore, western blot showed that miR-502 enhanced the phosphorylation levels of AKT pathways, which may be the mechanism of the overgrowth for esophageal cancer cell. Our data provide the evidence of a role for miR-502 in the regulation the proliferation of esophageal cancer cell through promoting the phosphorylation of AKT signaling. Due to its ability to promote the overgrowth of esophageal cancer cell, miR-502 may be a novel target for esophageal cancer therapeutic.
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Affiliation(s)
- Jing Xu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210000, PR China.
| | - Xiongxiong Pan
- Department of Anesthesiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210000, PR China.
| | - Zhendong Hu
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital, Nanjing, 210000, PR China.
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22
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Ma Z. Downregulation of SETD8 by miR-382 is involved in glioma progression. Pathol Res Pract 2018; 214:356-360. [PMID: 29487005 DOI: 10.1016/j.prp.2018.01.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/26/2017] [Accepted: 01/09/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND SETD8 (named PR-SET7 or KMT5a) has been reported to regulate various biological processes including carcinogenesis. However, the role of SETD8 in glioma progression has not been investigated. METHOD qPCR and western blot were used to detect the expression levels of miR-382 and SETD8. MTT and wound healing assay used to detect the cell proliferation and migratory capability. A predicted target of miR-382 (SETD8) was first validated using a luciferase assay. RESULTS In this study, we found that SETD8 expression was evidently upregulated in glioma tissues and glioma cells, compared with the adjacent normal tissues and normal human astrocytes (NHA). Next, we showed that SETD8 evidently induced cell proliferation and migration in vitro and in vivo. In addition,dual-luciferase assays revealed that miR-382 directly regulates oncogenic SETD8 expression in U87 and U251 cells. Finally a statistically significant inverse correlation of miR-382 and SETD8 expression was observed in 30 glioma patients. CONCLUSION These data indicated that oncogenic SETD8 was regulated by miR-382 and involved glioma progression, revealing new therapeutic targets for glioma cancer.
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Affiliation(s)
- Zhiming Ma
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, PR China.
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Zhang S, Guo Z, Xu J, Wang J, Zhang J, Cui L, Zhang H, Liu Y, Bai Y. miR-502-mediated histone methyltransferase SET8 expression is associated with clear cell renal cell carcinoma risk. Oncol Lett 2017; 14:7131-7138. [PMID: 29250163 PMCID: PMC5727589 DOI: 10.3892/ol.2017.7115] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 07/27/2017] [Indexed: 12/20/2022] Open
Abstract
Genetic variants may affect the interactions between microRNAs (miRNAs/miRs) and their target genes by modulating their binding affinity or by creating, or destroying a miRNA-binding site. SET domain containing (lysine methyltransferase) 8 (SET8) is the sole lysine methyltransferase that catalyzes the monomethylation of histone H4 lysine 20, and is associated with tumor growth, invasion and metastasis. In the present study, the rs16917496 polymorphism within the miR-502 binding site of the SET8 mRNA 3' untranslated region (3'UTR) in patients with clear cell renal cell carcinoma (ccRCC) and healthy controls was genotyped. The SET8 CC genotype was associated with a decreased ccRCC risk compared with the CT [P=0.003; odds ratio (OR)=0.318; 95% confidence interval (CI), 0.146-0.691], TT (P=0.011; OR=0.402; 95% CI, 0.197-0.819) and CT+TT (P=0.004; OR=0.370; 95% CI, 0.186-0.736) genotypes. The SET8 CC genotype was associated with reduced SET8 expression based on immunostaining of ccRCC tissue. Low SET8 protein levels were negatively associated with tumor-node-metastasis staging in patients with ccRCC according to the size of tumor and lymph node metastases. SET8-knockdown inhibited renal carcinoma 786-O cell proliferation, migration and invasion. c-Myc and matrix metalloproteinase-7 mRNA expression were downregulated upon SET8-knockdown in renal carcinoma 786-O cells. These data indicated that SET8 may be a functional tumor promoter and that its activation, which is partially regulated by changing the miR-502 and SET8 3'UTR binding affinity, may serve an important role in ccRCC development.
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Affiliation(s)
- Shenglei Zhang
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Zhanjun Guo
- Department of Gastroenterology and Hepatology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Jinsheng Xu
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Jing Wang
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Junxia Zhang
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Liwen Cui
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Huiran Zhang
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Yueping Liu
- Department of Pathology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
| | - Yaling Bai
- Department of Nephrology, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei 050011, P.R. China
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24
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Teng MS, Hsu LA, Juan SH, Lin WC, Lee MC, Su CW, Wu S, Ko YL. A GDF15 3' UTR variant, rs1054564, results in allele-specific translational repression of GDF15 by hsa-miR-1233-3p. PLoS One 2017; 12:e0183187. [PMID: 28806401 PMCID: PMC5555568 DOI: 10.1371/journal.pone.0183187] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 07/31/2017] [Indexed: 12/23/2022] Open
Abstract
Growth differentiation factor 15 (GDF15) is a strong predictor of cardiovascular events and mortality in individuals with or without cardiovascular diseases. Single nucleotide polymorphisms (SNPs) in microRNA (miRNA) target sites, also known as miRSNPs, are known to enhance or weaken miRNA-mRNA interactions and have been linked to diseases such as cardiovascular disease and cancer. In this study, we aimed to elucidate the functional significance of the miRSNP rs1054564 in regulating GDF15 levels. Two rs1054564-containing binding sites for hsa-miR-873-5p and hsa-miR-1233-3p were identified in the 3′ untranslated region (UTR) of the GDF15 transcript using bioinformatics tools. Their activities were further characterized by in vitro reporter assays. Bioinformatics prediction suggested that miRNA binding sites harboring the rs1054564-G allele had lower free energies than those with the C allele and therefore were better targets with higher affinities for both hsa-miR-873-5p and hsa-miR-1233-3p. Reporter assays showed that luciferase activity was significantly decreased by rs1054564-G-containing 3′ UTRs for both miRNAs (P < 0.05) and was restored by miRNA inhibitors. Comparing the fold suppression of the two miRNAs, only that of hsa-miR-1233-3p showed significant changes between the rs1054564-G- and C-containing 3′ UTRs (P = 0.034). In addition, western blots showed that transfection of both miRNA mimics significantly decreased endogenous GDF15 expression in a melanoma cell line (P < 0.05). Taken together, our findings demonstrate that GDF15 is a target of hsa-miR-873-5p and hsa-miR-1233-3p and that the rs1054564-C allele partially abolishes hsa-miR-1233-3p-mediated translational suppression of GDF15. These results suggest that rs1054564 confers allele-specific translational repression of GDF15 via hsa-miR-1233-3p. Our work thus provides biological insight into the previously reported clinical association between rs1054564 and plasma GDF15 levels.
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Affiliation(s)
- Ming-Sheng Teng
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
| | - Lung-An Hsu
- The First Cardiovascular Division, Department of Internal Medicine, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Shu-Hui Juan
- Graduate Institute of Medical Sciences, Department of Physiology, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wen-Chi Lin
- Department of Life Science, Chinese Culture University, Taipei, Taiwan
| | - Ming-Cheng Lee
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
| | - Cheng-Wen Su
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
| | - Semon Wu
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- Department of Life Science, Chinese Culture University, Taipei, Taiwan
- * E-mail: (SW); (YLK)
| | - Yu-Lin Ko
- Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- Cardiovascular Center and Division of Cardiology, Department of Internal Medicine and Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- School of Medicine, Tzu Chi University, Hualien, Taiwan
- * E-mail: (SW); (YLK)
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25
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Narouie B, Ziaee SAM, Basiri A, Hashemi M. Functional polymorphism at the miR-502-binding site in the 3' untranslated region of the SETD8 gene increased the risk of prostate cancer in a sample of Iranian population. Gene 2017; 626:354-357. [PMID: 28578017 DOI: 10.1016/j.gene.2017.05.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/20/2017] [Accepted: 05/31/2017] [Indexed: 12/30/2022]
Abstract
MicroRNAs (miRNAs), a class of non-coding RNAs, bind to the 3' untranslated regions (3'-UTRs) of target mRNAs and regulate gene expression. Genetic variations in miRNA binding domains influence the susceptibility to several diseases such as cancer. Several studies investigated the impact of single-nucleotide polymorphism (SNP) rs16917496 T>C within the 3'-UTR of SETD8 on cancer susceptibility, but the results were controversial. In addition, no study has been conducted to inspect the impact of this SNP in prostate cancer (PCa). Thus, the present study aimed to find out the possible association between rs16917496 polymorphism at the 3'UTR of SETD8 and PCa risk. This case-control study was done on 169 patients with pathologically confirmed PCa and 182 benign prostatic hyperplasia (BPH). Genotyping was done using PCR-RFLP method. The findings revealed that rs16917496 variant significantly increased the risk of PCa in codominant (OR=2.54, 95%CI=1.50-4.30, p<0.001, TC VS TT and OR=3.03, 95%CI=1.63-5.66, p<0.001, CC vs TT), dominant (OR=2.86, 95%CI=1.62-4.43, p<0.001, p<0.001). The C allele significantly increased the risk of PCa (OR=1.72, 95%CI=1.28-2.33, p<0.001) compared to T allele. In conclusion, the findings indicated that rs16917496 polymorphism may be a risk for predisposition to PCa in an Iranian population. Further studies with larger sample sizes and different ethnicities are required to confirm our findings.
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Affiliation(s)
- Behzad Narouie
- Urology and Nephrology Research Center, Department of Urology, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran 198396-3113, Iran
| | - Seyed Amir Mohsen Ziaee
- Urology and Nephrology Research Center, Department of Urology, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran 198396-3113, Iran
| | - Abbas Basiri
- Urology and Nephrology Research Center, Department of Urology, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran 198396-3113, Iran
| | - Mohammad Hashemi
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan 98167-43181, Iran; Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan 98167-43181, Iran.
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26
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Serum microRNAs are non-invasive biomarkers for the presence and progression of subarachnoid haemorrhage. Biosci Rep 2017; 37:BSR20160480. [PMID: 28115593 PMCID: PMC5322746 DOI: 10.1042/bsr20160480] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 12/18/2016] [Accepted: 01/23/2017] [Indexed: 01/06/2023] Open
Abstract
miRNAs are important regulators of translation and have been associated with the pathogenesis of a number of cardiovascular diseases including stroke and may be possible prognostic biomarkers. The purpose of the present study was to determine the expression levels of miRNAs in the sera of subarachnoid haemorrhage (SAH) patients and to evaluate their relationships with the severity and clinical outcome of SAH. Serum samples on day 3 after the onset of SAH were subjected to microarray analysis with Exqion miRCURYTM LNA array and quantitative PCR analysis. Serum samples from SAH patients (n=60) and healthy controls (n=10) were subjected to quantitative PCR analysis. The severities and clinical outcomes of the SAH patients were evaluated with the WFNS grade and the Modified Rankin Scale (mRS). Three miRNAs, miR-502-5p, miR-1297 and miR-4320 were significantly up-regulated in the sera of SAH patients when compared with the healthy controls. The serum miR-502-5p and miR-1297 levels were significantly higher in the patients with severe SAH and a poor outcome than in those with mild SAH and a good outcome (P<0.05). The areas under the receiver operating characteristic (ROC) curves (AUCs) of miR-502-5p, miR-1297 and miR-4320 to distinguish the SAH patients from the healthy controls were 0.958 (P<0.001), 0.950 (P<0.001) and 0.843 (P<0.001) respectively. Taken together, these results indicate that miR-502-5p and miR-1297 are potentially valuable indicators of the diagnosis, severity and prognosis of SAH, and miR-4320 was a potentially valuable indicator of the diagnosis of SAH.
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