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Shi M, Nan XR, Liu BQ. The Multifaceted Role of FUT8 in Tumorigenesis: From Pathways to Potential Clinical Applications. Int J Mol Sci 2024; 25:1068. [PMID: 38256141 PMCID: PMC10815953 DOI: 10.3390/ijms25021068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/07/2024] [Accepted: 01/13/2024] [Indexed: 01/24/2024] Open
Abstract
FUT8, the sole glycosyltransferase responsible for N-glycan core fucosylation, plays a crucial role in tumorigenesis and development. Aberrant FUT8 expression disrupts the function of critical cellular components and triggers the abnormality of tumor signaling pathways, leading to malignant transformations such as proliferation, invasion, metastasis, and immunosuppression. The association between FUT8 and unfavorable outcomes in various tumors underscores its potential as a valuable diagnostic marker. Given the remarkable variation in biological functions and regulatory mechanisms of FUT8 across different tumor types, gaining a comprehensive understanding of its complexity is imperative. Here, we review how FUT8 plays roles in tumorigenesis and development, and how this outcome could be utilized to develop potential clinical therapies for tumors.
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Affiliation(s)
| | | | - Bao-Qin Liu
- Department of Biochemistry & Molecular Biology, School of Life Sciences, China Medical University, Shenyang 110122, China; (M.S.); (X.-R.N.)
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2
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Zhang NZ, Zhao LF, Zhang Q, Fang H, Song WL, Li WZ, Ge YS, Gao P. Core fucosylation and its roles in gastrointestinal glycoimmunology. World J Gastrointest Oncol 2023; 15:1119-1134. [PMID: 37546555 PMCID: PMC10401475 DOI: 10.4251/wjgo.v15.i7.1119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/28/2023] [Accepted: 05/08/2023] [Indexed: 07/12/2023] Open
Abstract
Glycosylation is a common post-translational modification in eukaryotic cells. It is involved in the production of many biologically active glycoproteins and the regulation of protein structure and function. Core fucosylation plays a vital role in the immune response. Most immune system molecules are core fucosylated glycoproteins such as complements, cluster differentiation antigens, immunoglobulins, cytokines, major histocompatibility complex molecules, adhesion molecules, and immune molecule synthesis-related transcription factors. These core fucosylated glycoproteins play important roles in antigen recognition and clearance, cell adhesion, lymphocyte activation, apoptosis, signal transduction, and endocytosis. Core fucosylation is dominated by fucosyltransferase 8 (Fut8), which catalyzes the addition of α-1,6-fucose to the innermost GlcNAc residue of N-glycans. Fut8 is involved in humoral, cellular, and mucosal immunity. Tumor immunology is associated with aberrant core fucosylation. Here, we summarize the roles and potential modulatory mechanisms of Fut8 in various immune processes of the gastrointestinal system.
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Affiliation(s)
- Nian-Zhu Zhang
- Clinical Laboratory, The Second Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - Li-Fen Zhao
- Clinical Laboratory, The Second Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - Qian Zhang
- Department of Cell Therapy, Shanghai Tianze Yuntai Biomedical Co., Ltd., Shanghai 200100, China
| | - Hui Fang
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba 305-0005, Ibaraki, Japan
| | - Wan-Li Song
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wen-Zhe Li
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Yu-Song Ge
- Department of Neurology, The Second Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
| | - Peng Gao
- Clinical Laboratory, The Second Hospital of Dalian Medical University, Dalian 116023, Liaoning Province, China
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3
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Hu X, Lu Y, Zhou J, Wang L, Zhang M, Mao Y, Chen Z. Progress of regulatory RNA in small extracellular vesicles in colorectal cancer. Front Cell Dev Biol 2023; 11:1225965. [PMID: 37519298 PMCID: PMC10382209 DOI: 10.3389/fcell.2023.1225965] [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: 05/20/2023] [Accepted: 07/03/2023] [Indexed: 08/01/2023] Open
Abstract
Colorectal cancer (CRC) is the second most common malignant tumor of the gastrointestinal tract with the second highest mortality rate and the third highest incidence rate. Early diagnosis and treatment are important measures to reduce CRC mortality. Small extracellular vesicles (sEVs) have emerged as key mediators that facilitate communication between tumor cells and various other cells, playing a significant role in the growth, invasion, and metastasis of cancer cells. Regulatory RNAs have been identified as potential biomarkers for early diagnosis and prognosis of CRC, serving as crucial factors in promoting CRC cell proliferation, invasion and metastasis, angiogenesis, drug resistance, and immune cell differentiation. This review provides a comprehensive summary of the vital role of sEVs as biomarkers in CRC diagnosis and their potential application in CRC treatment, highlighting their importance as a promising avenue for further research and clinical translation.
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Affiliation(s)
- Xinyi Hu
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yukang Lu
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Jiajun Zhou
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Lanfeng Wang
- Department of Nephrology, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Mengting Zhang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Yiping Mao
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Zhiping Chen
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
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Antonarelli G, Pieri V, Porta FM, Fusco N, Finocchiaro G, Curigliano G, Criscitiello C. Targeting Post-Translational Modifications to Improve Combinatorial Therapies in Breast Cancer: The Role of Fucosylation. Cells 2023; 12:cells12060840. [PMID: 36980181 PMCID: PMC10047715 DOI: 10.3390/cells12060840] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/03/2023] [Accepted: 03/05/2023] [Indexed: 03/30/2023] Open
Abstract
Various tumors rely on post-translational modifications (PTMs) to promote invasiveness and angiogenesis and to reprogram cellular energetics to abate anti-cancer immunity. Among PTMs, fucosylation is a particular type of glycosylation that has been linked to different aspects of immune and hormonal physiological functions as well as hijacked by many types of tumors. Multiple tumors, including breast cancer, have been linked to dismal prognoses and increased metastatic potential due to fucosylation of the glycan core, namely core-fucosylation. Pre-clinical studies have examined the molecular mechanisms regulating core-fucosylation in breast cancer models, its negative prognostic value across multiple disease stages, and the activity of in vivo pharmacological inhibition, instructing combinatorial therapies and translation into clinical practice. Throughout this review, we describe the role of fucosylation in solid tumors, with a particular focus on breast cancer, as well as physiologic conditions on the immune system and hormones, providing a view into its potential as a biomarker for predicating or predicting cancer outcomes, as well as a potential clinical actionability as a biomarker.
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Affiliation(s)
- Gabriele Antonarelli
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Hemato-Oncology (DIPO), University of Milan, 20122 Milan, Italy
| | - Valentina Pieri
- Neural Stem Cell Biology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, 20132 Milan, Italy
- Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Francesca Maria Porta
- Division of Pathology, European Institute of Oncology (IEO), IRCCS, 20141 Milan, Italy
- School of Pathology, University of Milan, 20122 Milan, Italy
| | - Nicola Fusco
- Department of Oncology and Hemato-Oncology (DIPO), University of Milan, 20122 Milan, Italy
- Division of Pathology, European Institute of Oncology (IEO), IRCCS, 20141 Milan, Italy
| | | | - Giuseppe Curigliano
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Hemato-Oncology (DIPO), University of Milan, 20122 Milan, Italy
| | - Carmen Criscitiello
- Division of New Drugs and Early Drug Development for Innovative Therapies, European Institute of Oncology, IRCCS, 20139 Milan, Italy
- Department of Oncology and Hemato-Oncology (DIPO), University of Milan, 20122 Milan, Italy
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5
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Liu F, Qu R, Yang L, Shi G, Hao S, Hu C. Circular RNA Controls Tumor Occurrence and Development via Cell Cycle Regulation. Onco Targets Ther 2022; 15:993-1009. [PMID: 36134387 PMCID: PMC9484569 DOI: 10.2147/ott.s371629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 08/25/2022] [Indexed: 01/09/2023] Open
Abstract
Circular RNAs (circRNAs) participate in the occurrence and development of various diseases through different mechanisms, such as by acting as a microRNA (miRNA) sponge, interacting with RNA-binding proteins, and regulating gene transcription and protein translation. For example, the abnormal expression of specific circRNAs in tumor cells can alter key regulatory factors and the cell cycle network, resulting in cell cycle disorders and the development and metastasis of tumors. Here, we summarize the mechanisms involved in the circRNA-mediated processes that lead to uncontrolled cell cycle and tumor cell proliferation. Extensive studies investigating the abnormal expression of circRNAs in different cancer types have been conducted. The unique characteristics of circRNAs and their ability to regulate the cell cycle through diverse mechanisms is extremely valuable in tumor diagnosis, treatment, and prognosis. Our review may assist in further understanding the circRNA-mediated regulation of the cell cycle in tumors and provide insights for research on circRNA-based therapeutic strategies and biological diagnosis for cancer.
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Affiliation(s)
- Fang Liu
- Department of Hematology and Oncology, The Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Rongfeng Qu
- Department of Hematology and Oncology, The Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Limin Yang
- Department of Hematology and Oncology, The Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Guang Shi
- Department of Hematology and Oncology, The Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Shuhong Hao
- Department of Hematology and Oncology, The Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Chunmei Hu
- Department of Hematology and Oncology, The Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
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6
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Wang X, Zhu Y, Xie Q. The promising role and prognostic value of miR-198 in human diseases. Am J Transl Res 2022; 14:2749-2766. [PMID: 35559396 PMCID: PMC9091110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
The importance of microRNAs (miRNAs or miRs) has attracted more and more attention. MiRNA is an approximately 22-nucleotide, single-stranded, non-coding RNA molecule that affects the expression of downstream target genes. MiRNAs regulate the occurrence and development of human diseases. The objective of this article is to explore the abnormal expression of miR-198 in a variety of human diseases. The relationships between abnormally expressed miR-198 and clinicopathological characteristics are also summarized. Its roles in various diseases and potential molecular mechanisms include involvement in many biological processes, such as cell cycle regulation, proliferation, invasion, migration, apoptosis, and drug resistance. The potential value of miR-198 for disease diagnosis, treatment, and especially, prognosis, are discussed. More in-depth research on miRNA will support the conversion from basic research to clinical applications of this molecule.
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Affiliation(s)
- Xiaoping Wang
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450052, Henan, P. R. China
| | - Yanxia Zhu
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450052, Henan, P. R. China
| | - Qiuli Xie
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou University Zhengzhou 450052, Henan, P. R. China
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Fang G, Chen T, Mao R, Huang X, Ji L. Circular RNA circ_0089153 acts as a competing endogenous RNA to regulate colorectal cancer development by the miR-198/SUMO-specific peptidase 1 (SENP1) axis. Bioengineered 2021; 12:5664-5678. [PMID: 34516314 PMCID: PMC8806507 DOI: 10.1080/21655979.2021.1967076] [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] [Indexed: 12/13/2022] Open
Abstract
Increasing evidence has indicated the implications of circular RNAs (circRNAs) in the development of colorectal cancer (CRC). In this study, we investigated the functional role and mechanism of circ_0089153 in CRC pathogenesis. The expression levels of circ_0089153, microRNA (miR)-198, and SUMO-specific peptidase 1 (SENP1) were gauged by quantitative real-time PCR (qRT-PCR) or western blot. Cell proliferation, sphere formation, tube formation, and apoptosis abilities were detected by 5-Ethynyl-2ʹ-Deoxyuridine (EdU), sphere formation, tube formation, and flow cytometry assays, respectively. The direct relationship between miR-198 and circ_0089153 or SENP1 was verified by dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. The mouse xenograft assays were performed to evaluate the role of circ_0089153 in vivo. Our data showed that circ_0089153 was overexpressed in CRC tissues and cells. Depletion of circ_0089153 repressed cell proliferation, sphere formation ability, and enhanced cell apoptosis, as well as inhibited tube formation in vitro. Moreover, circ_0089153 depletion diminished tumor growth in vivo. Mechanistically, circ_0089153 targeted miR-198, and the effects of circ_0089153 were mediated by miR-198. SENP1 was identified as a direct and functional target of miR-198. Circ_0089153 worked as a competing endogenous RNA (ceRNA) to post-transcriptionally regulate SENP1 expression by miR-198. Our findings identify circ_0089153 as a novel regulator of CRC development through the regulation of the miR-198/SENP1 axis and establish a strong rationale for developing circ_0089153 as a promising therapeutic against CRC.
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Affiliation(s)
- Guan Fang
- Department of Colorectal and Anal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Tingting Chen
- Department of Breast Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Ruibo Mao
- Department of Colorectal and Anal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiaming Huang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Ling Ji
- Department of Colorectal and Anal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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8
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Shi J, Wang S, He Q, Liu K, Zhao W, Xie Q, Cheng L. TNF-α induces up-regulation of MicroRNA-27a via the P38 signalling pathway, which inhibits intervertebral disc degeneration by targeting FSTL1. J Cell Mol Med 2021; 25:7146-7156. [PMID: 34190406 PMCID: PMC8335690 DOI: 10.1111/jcmm.16745] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 05/16/2021] [Accepted: 06/03/2021] [Indexed: 12/16/2022] Open
Abstract
The mechanism of intervertebral disc degeneration is still unclear, and there are no effective therapeutic strategies for treating this condition. miRNAs are naturally occurring macromolecules in the human body and have many biological functions. Therefore, we hope to elucidate whether miRNAs are associated with intervertebral disc degeneration and the underlying mechanisms involved. In our study, differentially expressed miRNAs were predicted by the GEO database and then confirmed by qPCR and in situ hybridization. Apoptosis of nucleus pulposus cells was detected by flow cytometry and Bcl2, Bax and caspase 3. Deposition of extracellular matrix was assessed by Alcian blue staining, and the expression of COX2 and MMP13 was detected by immunofluorescence, Western blot and qPCR. Moreover, qPCR was used to detect the expression of miR27a and its precursors. The results showed that miR27a was rarely expressed in healthy intervertebral discs but showed increased expression in degenerated intervertebral discs. Ectopic miR27a expression inhibited apoptosis, suppressed the inflammatory response and attenuated the catabolism of the extracellular matrix by targeting FSTL1. Furthermore, it seems that the expression of miR27a was up-regulated by TNF-α via the P38 signalling pathway. So we conclude that TNF-α and FSTL1 engage in a positive feedback loop to promote intervertebral disc degeneration. At the same time, miR27a is up-regulated by TNF-α via the P38 signalling pathway, which ameliorates inflammation, apoptosis and matrix degradation by targeting FSTL1. Thus, this negative feedback mechanism might contribute to the maintenance of a low degeneration load and would be beneficial to maintain a persistent chronic disc degeneration.
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Affiliation(s)
- Jie Shi
- Department of OrthopaedicQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
- Cheeloo College of MedicineShandong UniversityJinanChina
- NHC key Laboratory of OtorhinolaryngologyQilu HospitalCheeloo College of MedicineShandong UniversityJinanChina
| | - Shaoyi Wang
- Department of OrthopaedicQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
- Cheeloo College of MedicineShandong UniversityJinanChina
| | - Qiting He
- Department of OrthopaedicQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
- Cheeloo College of MedicineShandong UniversityJinanChina
- NHC key Laboratory of OtorhinolaryngologyQilu HospitalCheeloo College of MedicineShandong UniversityJinanChina
| | - Kaiwen Liu
- Department of OrthopaedicQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
- Cheeloo College of MedicineShandong UniversityJinanChina
| | - Wei Zhao
- Department of OrthopaedicQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
- Cheeloo College of MedicineShandong UniversityJinanChina
| | - Qing Xie
- Department of PharmacyQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
| | - Lei Cheng
- Department of OrthopaedicQilu HospitalCheeloo College of Medicine of Shandong UniversityJinanChina
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Li M, Chen H, Xia L, Huang P. Circular RNA circSP3 promotes hepatocellular carcinoma growth by sponging microRNA-198 and upregulating cyclin-dependent kinase 4. Aging (Albany NY) 2021; 13:18586-18605. [PMID: 34314379 PMCID: PMC8351711 DOI: 10.18632/aging.203303] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 07/14/2020] [Indexed: 12/25/2022]
Abstract
As a new class of endogenous noncoding RNAs, circular RNAs (circRNAs), have been found to influence cell development and function by sponging microRNAs. MicroRNA (miR)-198 is downregulated in various cancers, including hepatocellular carcinoma (HCC). We therefore searched for dysregulated circRNAs that could sponge miR-198 in HCC. By analyzing relevant circRNA databases (circBase, TargetScan and CircInteractome), we found that the miR-198-binding circRNA hsa_circSP3 is upregulated in HCC. CircSP3 expression correlated negatively with miR-198 expression in HCC tissues. Dual luciferase reporter assays indicated that circSP3 bound to miR-198. CircSP3 overexpression in HCC cells induced expression of cyclin-dependent kinase 4, a target gene of miR-198. Silencing circSP3 inhibited HCC cell proliferation and migration by downregulating cyclin-dependent kinase 4, whereas inhibiting miR-198 reversed those effects. In vivo experiments confirmed that circSP3 promoted xenograft tumor growth. These data suggest that circSP3 may be a novel biomarker for HCC.
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Affiliation(s)
- Molin Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing Medical University, Chongqing 400000, China
| | - Hang Chen
- Department of Oncology and Hematology, The People’s Hospital of Tongliang District, Chongqing 402560, China
| | - Lulu Xia
- College of Laboratory Medicine, Chongqing Medical University, Yuzhong, Chongqing 400042, China
| | - Ping Huang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing Medical University, Chongqing 400000, China
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Yuan C, Su Z, Liao S, Li D, Zhou Z, Wang Y, Quan M, Zeng L, Lv C, Shen C, Gong W, Wu J, Chen X, Hu W, Lv X, Si W, Yu X. miR-198 inhibits the progression of renal cell carcinoma by targeting BIRC5. Cancer Cell Int 2021; 21:390. [PMID: 34289837 PMCID: PMC8296723 DOI: 10.1186/s12935-021-02092-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 07/14/2021] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND miR-198 is involved in the formation, migration, invasion, and metastasis of various malignant cancers. However, the function and mechanism of action of miR-198 in the tumorigenesis of renal cell carcinoma (RCC) remain elusive. Here, we aimed to explore the role of miR198 in RCC. METHODS Immunohistochemistry was performed to estimate the level of survivin in RCC sections. Quantitative real-time polymerase chain reaction was performed to determine the expression level of miR-198 in fresh RCC tissues. Furthermore, the target relationship between miR-198 and BIRC5 was predicted using the TargetScanHuman 7.2 database and verified via dual-luciferase reporter assay and western blotting. The effects of miR-198 on the viability, apoptosis, invasion, and migration of A498 and ACHN cells were studied using Cell Counting Kit-8, flow cytometry, transwell migration assay, and wound healing assay, respectively. Additionally, a xenograft nude mouse model was established to evaluate the effect of miR-198 on RCC tumorigenesis. RESULTS The expression levels of BIRC5 and miR-198 were respectively higher and lower in RCC tissues than those in normal adjacent tissues. Furthermore, miR-198 could inhibit luciferase activity and reduce the protein level of survivin without affecting the BIRC5 mRNA levels. miR-198 inhibited cell viability, migration, and invasion and promoted cell apoptosis; co-transfection with BIRC5 could rescue these effects. Moreover, miR-198 could repress tumor growth in the xenograft nude mouse model of RCC. CONCLUSIONS Our study demonstrates that miR-198 suppresses RCC progression by targeting BIRC5.
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Affiliation(s)
- Chao Yuan
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Zhenhong Su
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Shengjie Liao
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Duanzhuo Li
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Zhiwen Zhou
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Yawen Wang
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Mingchun Quan
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Lingling Zeng
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China
| | - Cai Lv
- Department of Urology, Haikou Municipal Hospital, Haikou, 570208, Hainan, China
| | - Chenyi Shen
- Yixing Cancer Hospital, Dongshan Dong Lu No. 45, Yixing, 214200, Jiangsu, China
| | - Weida Gong
- Yixing Cancer Hospital, Dongshan Dong Lu No. 45, Yixing, 214200, Jiangsu, China
| | - Jianfeng Wu
- Yixing Cancer Hospital, Dongshan Dong Lu No. 45, Yixing, 214200, Jiangsu, China
| | - Xiaogang Chen
- Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Huangshi, 435000, Hubei, China
| | - Wenbing Hu
- Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Huangshi, 435000, Hubei, China
| | - Xu Lv
- Yixing Cancer Hospital, Dongshan Dong Lu No. 45, Yixing, 214200, Jiangsu, China.
| | - Wenxia Si
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China.
| | - Xin Yu
- Hubei Key Laboratory for Kidney Disease Pathogenesis and Intervention, Hubei Polytechnic University School of Medicine, Xialu District guilin north, road no. 16, Huangshi, 435003, Hubei, China. .,Zhaoqing Medical College, Zhaoqing, 526020, Guangdong, China.
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11
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Kang Y, Zhang Y, Sun Y. MicroRNA‑198 suppresses tumour growth and metastasis in oral squamous cell carcinoma by targeting CDK4. Int J Oncol 2021; 59:39. [PMID: 33982769 PMCID: PMC8121097 DOI: 10.3892/ijo.2021.5219] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 04/14/2021] [Indexed: 12/20/2022] Open
Abstract
MicroRNAs (miRNAs/miR) often contribute to the progression of oral squamous cell carcinoma (OSCC) via the regulation of mRNA. The present study aimed to investigate the role of miR‑198 in OSCC pathogenesis and explore the underlying mechanism. Reverse transcription‑quantitative (RT‑q)PCR was performed to determine miR‑198 expression in OSCC tissues and cell lines, and univariate and multivariate analyses were applied to evaluate the survival of patients with OSCC. The effects of miR‑198 on OSCC cell lines were studied in vitro and in vivo. A set of epithelial‑mesenchymal transition (EMT) markers were detected to determine whether miR‑198 was involved in EMT. Lastly, using luciferase assays, a novel target of miR‑198 was identified and the effect of the new target gene of miR‑198 on cell proliferation and invasion was also studied. It was identified that miR‑198 expression was decreased in OSCC tissues and cell lines, and low expression of miR‑198 was associated with poor overall survival and disease‑free survival. Overexpression of miR‑198 appeared to significantly inhibit the proliferation, invasion and EMT of OSCC cells. Moreover, the luciferase assay results showed that miR‑198 interacted with cyclin‑dependent kinase 4 (CDK4) by directly targeting the miRNA‑binding site in the CDK4 sequence, and RT‑qPCR results showed that CDK4 expression was increased in OSCC tissues and cell lines. In addition, transfection of small interfering RNA against CDK4 in OSCC cells showed similar inhibitory effects on cell proliferation, invasion and EMT, whereas CDK4 overexpression in OSCC cells partially reversed the inhibitory effects of the miR‑198 mimic. The present results indicated that miR‑198 suppressed OSCC tumour growth and metastasis by directly targeting CDK4 expression. Thus, miR‑198 may be a potential therapeutic target in the treatment of OSCC.
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Affiliation(s)
- Yuanyuan Kang
- Department of Emergency and Oral Medicine, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, Liaoning 110002, P.R. China
| | - Ying Zhang
- Department of Emergency and Oral Medicine, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, Liaoning 110002, P.R. China
| | - Yan Sun
- Department of Emergency and Oral Medicine, School and Hospital of Stomatology, China Medical University, Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, Liaoning 110002, P.R. China
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12
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Chiang AWT, Baghdassarian HM, Kellman BP, Bao B, Sorrentino JT, Liang C, Kuo CC, Masson HO, Lewis NE. Systems glycobiology for discovering drug targets, biomarkers, and rational designs for glyco-immunotherapy. J Biomed Sci 2021; 28:50. [PMID: 34158025 PMCID: PMC8218521 DOI: 10.1186/s12929-021-00746-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023] Open
Abstract
Cancer immunotherapy has revolutionized treatment and led to an unprecedented wave of immuno-oncology research during the past two decades. In 2018, two pioneer immunotherapy innovators, Tasuku Honjo and James P. Allison, were awarded the Nobel Prize for their landmark cancer immunotherapy work regarding “cancer therapy by inhibition of negative immune regulation” –CTLA4 and PD-1 immune checkpoints. However, the challenge in the coming decade is to develop cancer immunotherapies that can more consistently treat various patients and cancer types. Overcoming this challenge requires a systemic understanding of the underlying interactions between immune cells, tumor cells, and immunotherapeutics. The role of aberrant glycosylation in this process, and how it influences tumor immunity and immunotherapy is beginning to emerge. Herein, we review current knowledge of miRNA-mediated regulatory mechanisms of glycosylation machinery, and how these carbohydrate moieties impact immune cell and tumor cell interactions. We discuss these insights in the context of clinical findings and provide an outlook on modulating the regulation of glycosylation to offer new therapeutic opportunities. Finally, in the coming age of systems glycobiology, we highlight how emerging technologies in systems glycobiology are enabling deeper insights into cancer immuno-oncology, helping identify novel drug targets and key biomarkers of cancer, and facilitating the rational design of glyco-immunotherapies. These hold great promise clinically in the immuno-oncology field.
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Affiliation(s)
- Austin W T Chiang
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA. .,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.
| | - Hratch M Baghdassarian
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.,Bioinformatics and Systems Biology Graduate Program, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Benjamin P Kellman
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.,Bioinformatics and Systems Biology Graduate Program, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Bokan Bao
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.,Bioinformatics and Systems Biology Graduate Program, University of California, La Jolla, San Diego, CA, 92093, USA
| | - James T Sorrentino
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.,Bioinformatics and Systems Biology Graduate Program, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Chenguang Liang
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,Department of Bioengineering, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Chih-Chung Kuo
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.,Department of Bioengineering, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Helen O Masson
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,Department of Bioengineering, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Nathan E Lewis
- Department of Pediatrics, University of California, 9500 Gilman Drive MC 0760, La Jolla, San Diego, CA, 92093, USA.,The Novo Nordisk Foundation Center for Biosustainability at the University of California, La Jolla, San Diego, CA, 92093, USA.,Department of Bioengineering, University of California, La Jolla, San Diego, CA, 92093, USA.,The National Biologics Facility, Technical University of Denmark, Kongens Lyngby, Denmark
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13
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Giraud G, Kolovos P, Boltsis I, van Staalduinen J, Guyot B, Weiss-Gayet M, IJcken WV, Morlé F, Grosveld F. Interplay between FLI-1 and the LDB1 complex in murine erythroleukemia cells and during megakaryopoiesis. iScience 2021; 24:102210. [PMID: 33733070 PMCID: PMC7940982 DOI: 10.1016/j.isci.2021.102210] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 12/22/2020] [Accepted: 02/17/2021] [Indexed: 11/29/2022] Open
Abstract
Transcription factors are key players in a broad range of cellular processes such as cell-fate decision. Understanding how they act to control these processes is of critical importance for therapy purposes. FLI-1 controls several hematopoietic lineage differentiation including megakaryopoiesis and erythropoiesis. Its aberrant expression is often observed in cancer and is associated with poor prognosis. We showed that FLI-1 interacts with the LDB1 complex, which also plays critical roles in erythropoiesis and megakaryopoiesis. In this study, we aimed to unravel how FLI-1 and the LDB1 complex act together in murine erythroleukemia cells and in megakaryocyte. Combining omics techniques, we show that FLI-1 enables the recruitment of the LDB1 complex to regulatory sequences of megakaryocytic genes and to enhancers. We show as well for the first time that FLI-1 is able to modulate the 3D chromatin organization by promoting chromatin looping between enhancers and promoters most likely through the LDB1 complex. FLI-1 is important for the recruitment of the LDB1 complex FLI-1 is important for chromatin looping FLI-1 and the LDB1 complex co-regulate megakaryopoiesis
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Affiliation(s)
- Guillaume Giraud
- Department of Cell Biology, Erasmus Medical Centre, 3015CN Rotterdam, the Netherlands
| | - Petros Kolovos
- Department of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupolis 68100, Greece
| | - Ilias Boltsis
- Department of Cell Biology, Erasmus Medical Centre, 3015CN Rotterdam, the Netherlands
| | - Jente van Staalduinen
- Department of Cell Biology, Erasmus Medical Centre, 3015CN Rotterdam, the Netherlands
| | - Boris Guyot
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France.,Inserm U1052, Centre de Recherche en Cancérologie de Lyon, Lyon, France.,Université de Lyon, Lyon, France.,Department of Immunity, Virus and Microenvironment, Lyon, France
| | - Michele Weiss-Gayet
- Institut NeuroMyoGène, CNRS UMR 5310 - INSERM U1217 - Université de Lyon - Université Claude Bernard Lyon 1, Lyon, France
| | - Wilfred van IJcken
- Biomics Center, Erasmus University Medical Center, 3015CN Rotterdam, the Netherlands
| | - François Morlé
- Institut NeuroMyoGène, CNRS UMR 5310 - INSERM U1217 - Université de Lyon - Université Claude Bernard Lyon 1, Lyon, France
| | - Frank Grosveld
- Department of Cell Biology, Erasmus Medical Centre, 3015CN Rotterdam, the Netherlands
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14
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Kelel M, Yang RB, Tsai TF, Liang PH, Wu FY, Huang YT, Yang MF, Hsiao YP, Wang LF, Tu CF, Liu FT, Lee YL. FUT8 Remodeling of EGFR Regulates Epidermal Keratinocyte Proliferation during Psoriasis Development. J Invest Dermatol 2021; 141:512-522. [PMID: 32888953 DOI: 10.1016/j.jid.2020.07.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 07/16/2020] [Accepted: 07/31/2020] [Indexed: 12/20/2022]
Abstract
α-(1,6)-fucosyltransferase 8 (FUT8) is implicated in the pathogenesis of several malignancies, but its role in psoriasis is poorly understood. In this study, we show that FUT8 remodeling of EGFR plays a critical role in the development of psoriasis phenotypes. Notably, elevated FUT8 expression was associated with disease severity in the lesional epidermis of a patient with psoriasis. FUT8 gain of function promoted HaCaT cell proliferation, whereas short hairpin FUT8 reduced cell proliferation and induced a longer S phase with downregulation of cyclin A1 expression. Furthermore, cell proliferation, which is controlled by the activation of EGFR, was shown to be regulated by FUT8 core fucosylation of EGFR. Short hairpin FUT8 significantly reduced EGFR/protein kinase B signaling and slowed EGF‒EGFR complex trafficking to the perinuclear region. Moreover, short hairpin FUT8 reduced ligand-induced EGFR dimerization. Overactivated EGFR was observed in the lesional epidermis of both human patient and psoriasis-like mouse model, whereas conditional knockout of FUT8 in an IL-23 psoriasis-like mouse model ameliorated disease phenotypes and reduced EGFR activation in the epidermis. These findings implied that elevated FUT8 expression in the lesional epidermis is implicated in the development of psoriasis phenotypes, being required for EGFR overactivation and leading to keratinocyte hyperproliferation.
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Affiliation(s)
- Musin Kelel
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan; Taiwan International Graduate Program in Molecular Medicine, National Yang-Ming University and Academia Sinica, Taipei, Taiwan
| | - Ruey-Bing Yang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan; Ph.D. Program in Biotechnology Research and Development, College of Pharmacy, Taipei Medical University, Taipei, Taiwan; Institute of Pharmacology, National Yang-Ming University, Taipei, Taiwan
| | - Tsen-Fang Tsai
- Department of Dermatology, National Taiwan University Hospital, Taipei, Taiwan; Department of Dermatology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Pi-Hui Liang
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Fu-Yu Wu
- Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
| | - Yu-Tien Huang
- Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
| | - Ming-Fong Yang
- Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
| | - Yu-Ping Hsiao
- Department of Dermatology, Chung Shan Medical University Hospital and Chung Shan Medical University, Taichung, Taiwan
| | - Li-Fang Wang
- Department of Dermatology, National Taiwan University Hospital, Taipei, Taiwan; Department of Dermatology, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chen-Fen Tu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Fu-Tong Liu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Yungling L Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan; College of Public Health, China Medical University, Taichung, Taiwan.
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15
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Wang G, Li Y, Zhu H, Huo G, Bai J, Gao Z. Circ-PRKDC Facilitates the Progression of Colorectal Cancer Through miR-198/DDR1 Regulatory Axis. Cancer Manag Res 2020; 12:12853-12865. [PMID: 33364834 PMCID: PMC7751295 DOI: 10.2147/cmar.s273484] [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: 07/30/2020] [Accepted: 10/28/2020] [Indexed: 12/24/2022] Open
Abstract
Background Circular RNAs (circRNAs) play a crucial role in a variety of cancers, including colorectal cancer (CRC). This study aimed to explore the role of hsa_circ_0136666 (circ-PRKDC) in CRC and its potential mechanism. Methods The levels of circ-PRKDC, miR-198 and discoidin domain receptor 1 (DDR1) were measured using quantitative real-time polymerase chain reaction or Western blot. Cell viability was detected using cell counting kit-8 (CCK-8) assay. Cell apoptosis and cycle were evaluated via flow cytometry. Cell migration and invasion were examined using transwell assay. CyclinD1 protein level was determined via Western blot. The interaction among circ-PRKDC, miR-198 and DDR1 was confirmed by dual-luciferase reporter assay and RNA immunoprecipitation assay. Xenograft assay was performed to analyze tumor growth in vivo. Results Circ-PRKDC and DDR1 levels were increased, and miR-198 level was decreased in CRC tissues and cells. Circ-PRKDC depletion inhibited proliferation, migration and invasion, and expedited apoptosis and cell cycle arrest in SW480 and HCT116 cells. Silence of circ-PRKDC impeded CRC progression by sponging miR-198. Overexpression of miR-198 hindered CRC development via targeting DDR1. Moreover, circ-PRKDC silencing suppressed tumor growth in vivo. Conclusion Knockdown of circ-PRKDC inhibited CRC progression via modulating miR-198/DDR1 pathway.
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Affiliation(s)
- Guixiang Wang
- Department of Colorectal Surgery, Yan'an People's Hospital, Yan'an, Shaanxi, People's Republic of China
| | - Yajun Li
- Department of Colorectal Surgery, Yan'an People's Hospital, Yan'an, Shaanxi, People's Republic of China
| | - Hufei Zhu
- Department of Colorectal Surgery, Yan'an People's Hospital, Yan'an, Shaanxi, People's Republic of China
| | - Guoqiang Huo
- Department of Colorectal Surgery, Yan'an People's Hospital, Yan'an, Shaanxi, People's Republic of China
| | - Jingying Bai
- Department of Colorectal Surgery, Yan'an People's Hospital, Yan'an, Shaanxi, People's Republic of China
| | - Zhiyong Gao
- Department of General Surgery, Yanchuan County People's Hospital, Yan'an, Shaanxi, People's Republic of China
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16
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Dai Y, Hartke R, Li C, Yang Q, Liu JO, Wang LX. Synthetic Fluorinated l-Fucose Analogs Inhibit Proliferation of Cancer Cells and Primary Endothelial Cells. ACS Chem Biol 2020; 15:2662-2672. [PMID: 32930566 PMCID: PMC10901565 DOI: 10.1021/acschembio.0c00228] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Fucosylation is one of the most prevalent modifications on N- and O-glycans of glycoproteins, and it plays an important role in various cellular processes and diseases. Small molecule inhibitors of fucosylation have shown promise as therapeutic agents for sickle cell disease, arthritis, and cancer. We describe here the design and synthesis of a panel of fluorinated l-fucose analogs bearing fluorine atoms at the C2 and/or C6 positions of l-fucose as metabolic fucosylation inhibitors. Preliminary study of their effects on cell proliferation revealed that the 6,6-difluoro-l-fucose (3) and 6,6,6-trifluoro-l-fucose (6) showed significant inhibitory activity against proliferation of human colon cancer cells and human umbilical vein endothelial cells. In contrast, the previously reported 2-deoxy-2-fluoro-l-fucose (1) had no apparent effects on proliferations of all the cell lines tested. To understand the mechanism of cell proliferation inhibition by the fluorinated l-fucose analogs, we performed chemoenzymatic synthesis of the corresponding GDP-fluorinated l-fucose analogs and tested their inhibitory activities against the mammalian α1,6-fucosyltransferase (FUT8). Interestingly, the corresponding GDP derivatives of 6,6-difluoro-l-fucose (3) and 6,6,6-trifluoro-l-fucose (6), which are the stronger proliferation inhibitors, showed much weaker inhibitory activity against FUT8 than that of the 2-deoxy-2-fluoro-l-fucose (1). These results suggest that FUT8 is not the major target of the 6-fluorinated fucose analogs (3 and 6). Instead, other factors, such as the key enzymes involved in the de novo GDP-fucose biosynthetic pathway and/or other fucosyltransferases involved in the biosynthesis of tumor-associated glyco-epitopes are most likely the targets of the fluorinated l-fucose analogs to achieve cell proliferation inhibition. To our knowledge, this is the first comparative study of various fluorinated l-fucose analogs for suppressing the proliferation of human cancer and primary endothelial cells required for angiogenesis.
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Affiliation(s)
- Yuanwei Dai
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Ruth Hartke
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - Chao Li
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Qiang Yang
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Jun O Liu
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| | - Lai-Xi Wang
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
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17
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Rubén LC, Laura MR, Almudena FB, Emilio GM. Glycan array analysis of Pholiota squarrosa lectin and other fucose-oriented lectins. Glycobiology 2020; 31:459-476. [PMID: 33021632 DOI: 10.1093/glycob/cwaa093] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/14/2022] Open
Abstract
The α(1,6)fucose residue attached to the N-glycoprotein core is suspected to play an essential role in the progression of several types of cancer. Lectins remain the first choice for probing glycan modifications, although they may lack specificity. Thus, efforts have been made to identify new lectins with a narrower core fucose (CF) detection profile. Here, we present a comparison of the classical Aleuria aurantia lectin (AAL), Lens culinaris agglutinin (LCA) and Aspergillus oryzae lectin (AOL) with the newer Pholiota squarrosa lectin (PhoSL), which has been described as being specific for core fucosylated N-glycans. To this end, we studied the binding profiles of the four lectins using mammalian glycan arrays from the Consortium of Functional Glycomics. To validate their glycan specificity, we probed AOL, LCA and PhoSL in western-blot assays using protein extracts from eight common colorectal cancer (CRC) lines and colorectal biopsies from a small cohort of patients with CRC. The results showed that (i) LCA and PhoSL were the most specific lectins for detecting the presence of CF in a concentration-dependent manner; (ii) PhoSL exhibited the highest N-glycan sequence restriction, with preferential binding to core fucosylated paucimannosidic-type N-glycans, (iii) the recognition ability of PhoSL was highly influenced by the presence of terminal N-acetyl-lactosamine; (iv) LCA bound to paucimannosidic, bi-antennary and tri-antennary core fucosylated N-glycans and (v) AOL and AAL exhibited broader specificity towards fucosylation. Together, our results support the choice of LCA as the most appropriate lectin for CF detection, as validated in protein extracts from CRC cell lines and tissue specimens from patients with CRC.
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Affiliation(s)
- López-Cortés Rubén
- Doctoral Program in Methods and Applications in Life Sciences, Faculty of Biology, Universidade de Vigo, Campus Lagoas-Marcosende, Vigo, Pontevedra, Galicia ES36310, Spain
| | - Muinelo-Romay Laura
- Liquid Biopsy Analysis Unit, Translational Medical Oncology (Oncomet), Health Research Institute of Santiago de Compostela (IDIS), CIBERONC, Travesía da Choupana, Santiago de Compostela, A Coruña, Galicia ES15706, Spain
| | - Fernández-Briera Almudena
- Molecular Biomarkers, Biomedical Research Centre (CINBIO), Universidade de Vigo, Campus Lagoas-Marcosende, Vigo, Pontevedra, Galicia ES36310, Spain
| | - Gil Martín Emilio
- Nutrition and Food Science Group, Department of Biochemistry, Genetics and Immunology, Faculty of Biology, Universidade de Vigo. Campus Lagoas-Marcosende, Vigo, Pontevedra, Galicia ES36310, Spain
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18
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Abstract
Glycosylation is a sophisticated informational system that controls specific biological functions at the cellular and organismal level. Dysregulation of glycosylation may underlie some of the most complex and common diseases of the modern era. In the past 5 years, microRNAs have come to the forefront as a critical regulator of the glycome. Herein, we review the current literature on miRNA regulation of glycosylation and how this work may point to a new way to identify the biological importance of glycosylation enzymes.
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Affiliation(s)
- Chu T Thu
- Biomedical Chemistry Institute, Department of Chemistry, New York University, New York, New York 10003, United States
| | - Lara K Mahal
- Biomedical Chemistry Institute, Department of Chemistry, New York University, New York, New York 10003, United States
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19
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Shi Y, Fang N, Li Y, Guo Z, Jiang W, He Y, Ma Z, Chen Y. Circular RNA LPAR3 sponges microRNA-198 to facilitate esophageal cancer migration, invasion, and metastasis. Cancer Sci 2020; 111:2824-2836. [PMID: 32495982 PMCID: PMC7419039 DOI: 10.1111/cas.14511] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 05/06/2020] [Accepted: 05/28/2020] [Indexed: 12/19/2022] Open
Abstract
In this study, we explored expression and functions of circular RNA LPAR3 (circLPAR3) in esophageal squamous cell carcinoma (ESCC). The differential expression of circular RNAs (circRNAs) in 10 ESCC and corresponding paracarcinoma tissues was analyzed through circRNA microarray, then the candidate circRNAs were detected and verified through quantitative RT-PCR, and a novel circRNA was screened, which was circLPAR3. Circular RNA LPAR3 showed apparently high expression in ESCC tissues and cells, which was closely correlated with the clinical stage and lymph node metastasis of ESCC patients. Circular RNA LPAR3 was mainly located in the cytoplasm of ESCC cells, which was more stable than the baseline gene. Circular RNA LPAR3 upregulated MET gene expression through sponge adsorption of microRNA (miR)-198, activated the RAS/MAPK and the PI3K/Akt pathways, and promoted ESCC cell migration, invasion, and metastasis in vivo and in vitro. However, it had no effect on ESCC cell proliferation. Circular RNA LPAR3 can regulate the miR-198-MET signal axis to promote the migration, invasion, and metastasis of esophageal cancer cells, which can thereby serve as a potential diagnostic and therapeutic target of esophageal cancer.
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Affiliation(s)
- Yijun Shi
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Na Fang
- Department of Molecular Cell Biology and Toxicology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yadong Li
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zizhang Guo
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Jiang
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yaozhou He
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zijian Ma
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yijiang Chen
- Department of Thoracic and Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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20
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Wang S, Zhang X, Yang C, Xu S. Micro
RNA
‐198‐5p inhibits the migration and invasion of non‐small lung cancer cells by targeting fucosyltransferase 8. Clin Exp Pharmacol Physiol 2019; 46:955-967. [PMID: 31381176 DOI: 10.1111/1440-1681.13154] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 07/19/2019] [Accepted: 07/31/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Siyao Wang
- Department of Thoracic Surgery The First Hospital of China Medical University Shenyang Liaoning China
| | - Xin Zhang
- Department of Thoracic Surgery The First Hospital of China Medical University Shenyang Liaoning China
| | - Chunlu Yang
- Department of Thoracic Surgery The First Hospital of China Medical University Shenyang Liaoning China
| | - Shun Xu
- Department of Thoracic Surgery The First Hospital of China Medical University Shenyang Liaoning China
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21
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Ray J, Hoey C, Huang X, Jeon J, Taeb S, Downes MR, Boutros PC, Liu SK. MicroRNA‑198 suppresses prostate tumorigenesis by targeting MIB1. Oncol Rep 2019; 42:1047-1056. [PMID: 31322262 PMCID: PMC6667842 DOI: 10.3892/or.2019.7234] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 07/12/2019] [Indexed: 01/11/2023] Open
Abstract
MicroRNAs are small non-coding RNA molecules which act as modulators of gene function, and have been identified as playing important roles in cancer as both tumor suppressors and oncogenes. The present study aimed to examine the role of miR-198 in prostate cancer aggression by analyzing how it influences several hallmarks of cancer. Abundance of miR-198 in prostate cancer and association with clinical characteristics was analyzed using a CPC-Gene prostate cancer dataset. Overexpression of miR-198 was performed using transient transfection of miR-198 mimic prior to assaying proliferation, cell cycle, and colony formation in LNCaP and DU145 cell lines using standard protocols. In vivo tumor formation in athymic nude mice was examined using LNCaP xenografts with stable overexpression conferred using lentiviral miR-198 transduction. Protein and mRNA abundance of MIB1 was determined using western blotting and RT-qPCR respectively, while miR-198 binding to MIB1 was validated using a luciferase reporter assay. miR-198 abundance was lower in high Gleason grade prostate cancer relative to intermediate and low-grade cancer. Overexpression of miR-198 diminished proliferation of prostate cancer cell lines, increased G0/G1 cell cycle arrest, and significantly impaired colony formation. Elevated miR-198 abundance was also demonstrated to impair tumor formation in vivo using LNCaP xenografts. Mindbomb E3 ubiquitin protein ligase 1 (MIB1) was demonstrated to be directly targeted by miR-198, and knockdown of MIB1 recapitulated the effects of miR-198 on proliferation and colony formation. The present evidence supports miR-198 as an important tumor suppressor in prostate cancer, and demonstrates for the first time that it acts by targeting MIB1. The present study reinforces the importance and complexity of miRNA in regulating prostate cancer aggression.
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Affiliation(s)
- Jessica Ray
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada
| | - Christianne Hoey
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada
| | - Xiaoyong Huang
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada
| | - Jouhyun Jeon
- Ontario Institute for Cancer Research, Toronto, Ontario M5G 0A3, Canada
| | - Samira Taeb
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada
| | - Michelle R Downes
- Department of Anatomic Pathology, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada
| | - Paul C Boutros
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5G 1L7, Canada
| | - Stanley K Liu
- Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario M4N 3M5, Canada
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22
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Wang SS, Fang YY, Huang JC, Liang YY, Guo YN, Pan LJ, Chen G. Clinical value of microRNA-198-5p downregulation in lung adenocarcinoma and its potential pathways. Oncol Lett 2019; 18:2939-2954. [PMID: 31402959 PMCID: PMC6676716 DOI: 10.3892/ol.2019.10610] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 06/13/2019] [Indexed: 12/13/2022] Open
Abstract
Lung adenocarcinoma (LUAD), the main subtype of non-small cell lung cancer, is known to be regulated by various microRNAs (miRs/miRNAs); however, the role of miR-198-5p in LUAD has not been clarified. In the present study, the clinical value of miR-198-5p in LUAD and its potential molecular mechanism was evaluated. miR-198-5p expression was examined by reverse transcription-quantitative PCR (RT-qPCR) in 101 paired LUAD and adjacent normal lung tissues. Subsequently, the miR-198-5p expression level was determined from microarray data from the Gene Expression Omnibus, ArrayExpress and by meta-analyses. Furthermore, the target mRNAs of miR-198-5p from 12 miRNA-mRNA predictive tools were intersected with The Cancer Genome Atlas (TCGA)-based differentially expressed genes. In addition, Gene Ontology annotation and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were conducted to determine the possible mechanism of miR-198-5p in LUAD. The Search Tool for the Retrieval of Interacting Genes/Proteins database was employed to construct a protein-protein interaction network among the potential target genes of miR-198-5p. The results showed that miR-198-5p expression was lower in LUAD tissues than in adjacent non-cancerous lung tissues (4.469±2.495 vs. 5.301±2.502; P=0.015). Meta-analyses, including the data from the present study and online microarray data, also verified the downregulation of miR-198-5p in 584 cases of LUAD. The expression of miR-198-5p was associated with the age, blood vessel invasion, Tumor-Node-Metastasis stage, and lymph node metastasis of patients with LUAD and served as an independent prognostic factor for survival. The hub genes of miR-198-5p were upregulated in LUAD, according to TCGA and The Human Protein Atlas. For the KEGG pathway analysis, the most enriched KEGG pathway was the p53 signaling pathway (P=1.42×10−6). These findings indicated that the downregulation of miR-198-5p may play a pivotal role in the development of LUAD by targeting various signaling pathways.
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Affiliation(s)
- Shi-Shuo Wang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Ye-Ying Fang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Radiation Oncology Clinical Medical Research Center of Guangxi, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Jia-Cheng Huang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Yue-Ya Liang
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Yi-Nan Guo
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Lin-Jiang Pan
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Radiation Oncology Clinical Medical Research Center of Guangxi, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
| | - Gang Chen
- Department of Pathology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region 530021, P.R. China
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23
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MicroRNA-198 inhibits proliferation and induces apoptosis by directly suppressing FGFR1 in gastric cancer. Biosci Rep 2019; 39:BSR20181258. [PMID: 31138759 PMCID: PMC6558723 DOI: 10.1042/bsr20181258] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 04/09/2019] [Accepted: 04/30/2019] [Indexed: 01/05/2023] Open
Abstract
MicroRNAs (miRNAs) are increasingly recognized as important therapeutic targets in cancer. Here we aim to investigate the role of miR-198, a broad-spectrum tumor suppressor, in gastric cancer (GC). MiR-198 overexpression was achieved by transfection of miR-198 mimics, followed by evaluation of cell viability using cell-counting kit 8. Cell cycle arrest and apoptosis were assessed by Annexin-V-FITC/Propidium Iodide (PI) staining flow cytometry respectively. The target of miR-198 was identified by bioinformatical analysis and confirmed by dual-luciferase assay, along with real-time PCR and Western blot analyses of target gene expression after transfection of miR-198 mimics. GC tissues were characterized by miR-198 down-regulation. Restoration of miR-198 expression attenuated GC cell proliferation and colony formation, meanwhile inducing significant G0/G1 arrest. Furthermore, combinatory therapy of cisplatin and miR-198 induced greater anti-tumor effects than treatment with cisplatin single therapy. We also identified fibroblast growth factor receptor 1 (FGFR1) as a direct target gene of miR-198. Furthermore, FGFR1 silencing elicited a similar tumor-suppressive effect as miR-198 overexpression. FGFR1 overexpression antagonized the anti-tumor effects of miR-198 overexpression. MiR-198/FGFR1 axis plays an important role in proliferation and apoptosis of GC. Therapies targeted to miR-198 can potentially improve GC treatment.
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24
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Georges S, Calleja LR, Jacques C, Lavaud M, Moukengue B, Lecanda F, Quillard T, Gabriel MT, Cartron PF, Baud'huin M, Lamoureux F, Heymann D, Ory B. Loss of miR-198 and -206 during primary tumor progression enables metastatic dissemination in human osteosarcoma. Oncotarget 2018; 9:35726-35741. [PMID: 30515265 PMCID: PMC6254661 DOI: 10.18632/oncotarget.26284] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 10/23/2018] [Indexed: 01/04/2023] Open
Abstract
The metastatic dissemination is a complex multistep process by which tumor cells from a primary site enter into the systemic circulation to finally spread at distant sites. Even if this mechanism is rare at the tumor level, it remains the major cause of Osteosarcoma-patients’ relapse and mortality. MicroRNAs (miRNAs) have recently been described as novel epigenetics’ genes’ expression regulators actively implicated in cancer progression and dissemination. The understanding of their implication in the metastatic spreading could help clinicians to improve the outcome of osteosarcoma. We established the miRNA’s expression-profile between primary bone-tumors (PTs), circulating tumor cells (CTCs) and lung metastatic (META) samples from in vivo mice xenograft models. Our results show that the expression level of the miR-198 and -206 was decreased in META samples, in which the expression of the metastasis-related receptor C-Met was up-regulated. Those expression variations were validated in osteosarcoma patient biopsies from matching primary tumors and lung metastasis. We validated in vitro the endogenous miRNAs inhibitory effects on both migration and invasion, as well as we confirmed by luciferase assays that the C-Met receptor is one of their bona-fide targets. The anti-metastatic effect of these miRNAs was also validated in vivo, as their direct injections into the tumors reduce the number of lung-metastases and prolongs the overall survival of the treated animals. All together, our results suggest the absence of the miR-198 and -206 as powerful predictive biomarkers of the tumor cell dissemination and the rationale of their potential therapeutic use in the treatment of Osteosarcoma.
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Affiliation(s)
- Steven Georges
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Lidia Rodriguez Calleja
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Camille Jacques
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Melanie Lavaud
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Brice Moukengue
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Fernando Lecanda
- Division of Oncology, Adhesion and Metastasis Laboratory, Center for Applied Medic al Research, University of Navarra, Pamplona, Navarra 31008, Spain
| | - Thibaut Quillard
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Marta Tellez Gabriel
- INSERM, UMR-S 1238, Nantes 44035, France.,European Associated Laboratory Sarcoma Research Unit, INSERM, University of Sheffield, Sheffield S10 2TN, UK
| | - Pierre-François Cartron
- Equipe Apoptose et Progression Tumorale, Centre de Recherche en Cancérologie et Immunologie Nantes Angers, CRCINA, INSERM, U1232, Université de Nantes, Université d'Angers, Nantes 44035, France.,LaBCT, Institut de Cancérologie de l'Ouest, Saint Herblain 44800, France.,European Associated Laboratory Sarcoma Research Unit, INSERM, University of Sheffield, Sheffield S10 2TN, UK.,Cancéropole Grand-Ouest, Réseau Epigénétique (RepiCGO), France
| | - Marc Baud'huin
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - François Lamoureux
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France
| | - Dominique Heymann
- Equipe Apoptose et Progression Tumorale, Centre de Recherche en Cancérologie et Immunologie Nantes Angers, CRCINA, INSERM, U1232, Université de Nantes, Université d'Angers, Nantes 44035, France.,European Associated Laboratory Sarcoma Research Unit, INSERM, University of Sheffield, Sheffield S10 2TN, UK
| | - Benjamin Ory
- INSERM, UMR-S 1238, Nantes 44035, France.,PhyOs, Sarcomes Osseux et Remodelage des Tissus Calcifiés, Université de Nantes, Nantes 44035, France.,Cancéropole Grand-Ouest, Réseau Epigénétique (RepiCGO), France
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25
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Duan X, Jiang B, Yang J, Zhou L, Tian B, Mao X. FOXP3 inhibits MYC expression via regulating miR-198 and influences cell viability, proliferation and cell apoptosis in HepG2. Cancer Med 2018; 7:6182-6192. [PMID: 30378283 PMCID: PMC6308052 DOI: 10.1002/cam4.1780] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/24/2018] [Accepted: 08/22/2018] [Indexed: 12/12/2022] Open
Abstract
Objective Our study aimed to explore the effects of FOXP3 expression on liver neoplasms cells and to further investigate the relationship between FOXP3 and proto‐oncogene MYC. Methods QRT‐PCR was used for assessment of FOXP3 expression in liver neoplasms tissues and para‐carcinoma tissues. The effects of FOXP3 on cell viability were determined by CCK8 assay, clone formation experiment, and flow cytometry. For miRNA selection, chips were used to figure out the differentially expressed miRNAs in FOXP3‐overexpressing HepG2 cells. The result was followed by bioinformatics prediction to screen the possible MYC‐targeted miRNAs, and it was examined by dual luciferase assay and ChIP assay. The expression levels of MYC protein and apoptosis‐associated proteins (bcl2 and bax) were measured by Western blot assay. Results It showed an under‐regulated expression of FOXP3 in liver neoplasm tissues from qRT‐PCR results. Overexpression of FOXP3 contributed to cell apoptosis as well as suppressed tumor cells’ proliferation. MiR‐198 was detected to be highly expressed in FOXP3‐overexpressing HepG2 cells. FOXP3 regulated the transcription level of miR‐198 by binding to its promoter sequence and overexpressed miR‐198 could suppress tumor cells’ proliferation and promote cell apoptosis. There existed targeted relationship between miR‐198 and MYC gene. MiR‐198 inhibited cancer by suppressing the expression of MYC in liver neoplasm. Conclusion FOXP3 up‐regulated miR‐198 expression by binding to its promoter sequence specifically, while miR‐198 inhibited proto‐oncogene MYC via targeted relationship. High level of miR‐198 contributed to the apoptosis of tumor cells and suppressed cell viability meanwhile.
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Affiliation(s)
- Xiaohui Duan
- Department of Hepatobiliary Surgery/Research Laboratory of Hepatobiliary Tumor, Hunan Provincial People's Hospital, Changsha, China
| | - Bo Jiang
- Department of Hepatobiliary Surgery/Research Laboratory of Hepatobiliary Tumor, Hunan Provincial People's Hospital, Changsha, China
| | - Jianhui Yang
- Department of Hepatobiliary Surgery/Research Laboratory of Hepatobiliary Tumor, Hunan Provincial People's Hospital, Changsha, China
| | - Lixue Zhou
- Department of Hepatobiliary Surgery/Research Laboratory of Hepatobiliary Tumor, Hunan Provincial People's Hospital, Changsha, China
| | - Bingzhang Tian
- Department of Hepatobiliary Surgery/Research Laboratory of Hepatobiliary Tumor, Hunan Provincial People's Hospital, Changsha, China
| | - Xianhai Mao
- Department of Hepatobiliary Surgery/Research Laboratory of Hepatobiliary Tumor, Hunan Provincial People's Hospital, Changsha, China
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26
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Wang R, Shen J, Wang Q, Zhang M. Bortezomib inhibited the progression of diffuse large B-cell lymphoma via targeting miR-198. Biomed Pharmacother 2018; 108:43-49. [PMID: 30216798 DOI: 10.1016/j.biopha.2018.08.151] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/25/2018] [Accepted: 08/28/2018] [Indexed: 10/28/2022] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of non-Hodgkin lymphoma, which is an aggressive malignancy with high variance of clinical features and response to the treatment. The proteasome inhibitor bortezomib (BTZ) has been demonstrated to suppress the progression of DLBCL, however, the underlying molecular mechanisms by which BTZ regulates the growth of DLBCL cells remain largely unknown. Increasing evidence has suggested that microRNAs (miRNAs) are novel targets of anti-cancer drugs to modulate the progression of cancers. Here, we showed BTZ treatment significantly inhibited the proliferation of DLBCL CRL-2630 cells. Mechanistically, exposure of BTZ up-regulated the expression of miR-198 in DLBCL cells. Depletion of miR-198 significantly reversed the inhibitory effect of BTZ on the proliferation of CRL-2630 cells. To further characterize the involvement of miR-198 in BTZ-induced growth defects of CRL-2630 cells, the downstream targets of miR-198 were predicted with the bioinformatics tools. The results showed that miR-198 bound the 3'-untranslated region (UTR) of the high mobility group AT-hook 1 (HMGA1) and suppressed the expression of HMGA1 in DLBCL cells. Consistently, BTZ treatment decreased the level of HMAG1 and inhibited the migration of DLBCL cells. Our results provided the possible mechanism by which BTZ suppressed the growth of DLBCL cells.
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Affiliation(s)
- Ruihuan Wang
- The Second Hematology Department, Cangzhou Central Hospital, 061001, China.
| | - Jie Shen
- The Second Hematology Department, Cangzhou Central Hospital, 061001, China
| | - Qing Wang
- The Second Hematology Department, Cangzhou Central Hospital, 061001, China
| | - Minjuan Zhang
- The Second Hematology Department, Cangzhou Central Hospital, 061001, China
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27
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Mattiotti A, Prakash S, Barnett P, van den Hoff MJB. Follistatin-like 1 in development and human diseases. Cell Mol Life Sci 2018; 75:2339-2354. [PMID: 29594389 PMCID: PMC5986856 DOI: 10.1007/s00018-018-2805-0] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 02/27/2018] [Accepted: 03/22/2018] [Indexed: 12/19/2022]
Abstract
Follistatin-like 1 (FSTL1) is a secreted glycoprotein displaying expression changes during development and disease, among which cardiovascular disease, cancer, and arthritis. The cardioprotective role of FSTL1 has been intensively studied over the last years, though its mechanism of action remains elusive. FSTL1 is involved in multiple signaling pathways and biological processes, including vascularization and regulation of the immune response, a feature that complicates its study. Binding to the DIP2A, TLR4 and BMP receptors have been shown, but other molecular partners probably exist. During cancer progression and rheumatoid arthritis, controversial data have been reported with respect to the proliferative, apoptotic, migratory, and inflammatory effects of FSTL1. This controversy might reside in the extensive post-transcriptional regulation of FSTL1. The FSTL1 primary transcript also encodes for a microRNA (miR-198) in primates and multiple microRNA-binding sites are present in the 3'UTR. The switch between expression of the FSTL1 protein and miR-198 is an important regulator of tumour metastasis and wound healing. The glycosylation state of FSTL1 is a determinant of biological activity, in cardiomyocytes the glycosylated form promoting proliferation and the non-glycosylated working anti-apoptotic. Moreover, the glycosylation state shows differences between species and tissues which might underlie the differences observed in in vitro studies. Finally, regulation at the level of protein secretion has been described.
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Affiliation(s)
- Andrea Mattiotti
- Department of Medical Biology, Academic Medical Center, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands
| | - Stuti Prakash
- Department of Medical Biology, Academic Medical Center, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands
| | - Phil Barnett
- Department of Medical Biology, Academic Medical Center, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands
| | - Maurice J B van den Hoff
- Department of Medical Biology, Academic Medical Center, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands.
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28
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Sundaram GM, Quah S, Sampath P. Cancer: the dark side of wound healing. FEBS J 2018; 285:4516-4534. [PMID: 29905002 DOI: 10.1111/febs.14586] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 05/17/2018] [Accepted: 06/13/2018] [Indexed: 12/19/2022]
Abstract
Complex multicellular organisms have evolved sophisticated mechanisms to rapidly resolve epithelial injuries. Epithelial integrity is critical to maintaining internal homeostasis. An epithelial breach represents the potential for pathogen ingress and fluid loss, both of which may have severe consequences if not limited. The mammalian wound healing response involves a finely tuned, self-limiting series of cellular and molecular events orchestrated by the transient activation of specific signalling pathways. Accurate regulation of these events is essential; failure to initiate key steps at the right time delays healing and leads to chronic wounds, while aberrant initiation of wound healing processes may produce cell behaviours that promote cancer progression. In this review, we discuss how wound healing pathways co-opted in cancer lose their stringent regulation and become compromised in their reversibility. We hypothesize on how the commandeering of wound healing 'master regulators' is involved in this process, and also highlight the implications of these findings in the treatment of both chronic wounds and cancer.
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Affiliation(s)
- Gopinath M Sundaram
- Institute of Medical Biology, Agency for Science Technology & Research (A*STAR), Singapore City, Singapore
| | - Shan Quah
- Institute of Medical Biology, Agency for Science Technology & Research (A*STAR), Singapore City, Singapore
| | - Prabha Sampath
- Institute of Medical Biology, Agency for Science Technology & Research (A*STAR), Singapore City, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore.,Program in Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore City, Singapore
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29
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Doherty M, Theodoratou E, Walsh I, Adamczyk B, Stöckmann H, Agakov F, Timofeeva M, Trbojević-Akmačić I, Vučković F, Duffy F, McManus CA, Farrington SM, Dunlop MG, Perola M, Lauc G, Campbell H, Rudd PM. Plasma N-glycans in colorectal cancer risk. Sci Rep 2018; 8:8655. [PMID: 29872119 PMCID: PMC5988698 DOI: 10.1038/s41598-018-26805-7] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 05/16/2018] [Indexed: 12/22/2022] Open
Abstract
Aberrant glycosylation has been associated with a number of diseases including cancer. Our aim was to elucidate changes in whole plasma N-glycosylation between colorectal cancer (CRC) cases and controls in one of the largest cohorts of its kind. A set of 633 CRC patients and 478 age and gender matched controls was analysed. Additionally, patients were stratified into four CRC stages. Moreover, N-glycan analysis was carried out in plasma of 40 patients collected prior to the initial diagnosis of CRC. Statistically significant differences were observed in the plasma N-glycome at all stages of CRC, this included a highly significant decrease in relation to the core fucosylated bi-antennary glycans F(6)A2G2 and F(6)A2G2S(6)1 (P < 0.0009). Stage 1 showed a unique biomarker signature compared to stages 2, 3 and 4. There were indications that at risk groups could be identified from the glycome (retrospective AUC = 0.77 and prospective AUC = 0.65). N-glycome biomarkers related to the pathogenic progress of the disease would be a considerable asset in a clinical setting and it could enable novel therapeutics to be developed to target the disease in patients at risk of progression.
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Affiliation(s)
- Margaret Doherty
- National Institute for Bioprocessing Research & Training, Dublin, Ireland.
- Institute of Technology Sligo, Department of Life Sciences, Sligo, Ireland.
| | - Evropi Theodoratou
- Centre for Global Health Research, Usher Institute for Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, UK
| | - Ian Walsh
- Bioprocessing Technology Institute, Agency for Science, Technology and Research (A*STAR), 20 Biopolis Way, #06-01 Centros, Singapore, 138668, Singapore
| | - Barbara Adamczyk
- National Institute for Bioprocessing Research & Training, Dublin, Ireland
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Henning Stöckmann
- National Institute for Bioprocessing Research & Training, Dublin, Ireland
| | - Felix Agakov
- Pharmatics Limited, Edinburgh Bioquarter, 9 Little France Road, Edinburgh, UK
| | - Maria Timofeeva
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, UK
| | | | | | - Fergal Duffy
- National Institute for Bioprocessing Research & Training, Dublin, Ireland
| | - Ciara A McManus
- National Institute for Bioprocessing Research & Training, Dublin, Ireland
| | - Susan M Farrington
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, UK
| | - Malcolm G Dunlop
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, UK
| | - Markus Perola
- Department of Health, The National Institute for Health and Welfare, Helsinki, Finland
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
- University of Zagreb Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Harry Campbell
- Centre for Global Health Research, Usher Institute for Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, UK
| | - Pauline M Rudd
- National Institute for Bioprocessing Research & Training, Dublin, Ireland
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30
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Gao S, Zhao ZY, Wu R, Zhang Y, Zhang ZY. Prognostic value of microRNAs in colorectal cancer: a meta-analysis. Cancer Manag Res 2018; 10:907-929. [PMID: 29750053 PMCID: PMC5935085 DOI: 10.2147/cmar.s157493] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background Numerous studies have shown that miRNA levels are closely related to the survival time of patients with colon, rectal, or colorectal cancer (CRC). However, the outcomes of different investigations have been inconsistent. Accordingly, a meta-analysis was conducted to study associations among the three types of cancers. Materials and methods Studies published in English that estimated the expression levels of miRNAs with survival curves in CRC were identified until May 20, 2017 by online searches in PubMed, Embase, Web of Science, and the Cochrane Library by two independent authors. Pooled HRs with 95% CIs were used to estimate the correlation between miRNA expression and overall survival. Results A total of 63 relevant articles regarding 13 different miRNAs, with 10,254 patients were ultimately included. CRC patients with high expression of blood miR141 (HR 2.52, 95% CI 1.68-3.77), tissue miR21 (HR 1.31, 95% CI 1.12-1.53), miR181a (HR 1.52, 95% CI 1.26-1.83), or miR224 (HR 2.12, 95% CI 1.04-4.34), or low expression of tissue miR126 (HR 1.55, 95% CI 1.24-1.93) had significantly poor overall survival (P<0.05). Conclusion In general, blood miR141 and tissue miR21, miR181a, miR224, and miR126 had significant prognostic value. Among these, blood miR141 and tissue miR224 were strong biomarkers of prognosis for CRC.
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Affiliation(s)
- Song Gao
- Second Department of Clinical Oncology, Shengjing Hospital of China Medical University
| | - Zhi-Ying Zhao
- School of Computer Science and Engineering, Northeastern University, Shenyang
| | - Rong Wu
- Second Department of Clinical Oncology, Shengjing Hospital of China Medical University
| | - Yue Zhang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhen-Yong Zhang
- Second Department of Clinical Oncology, Shengjing Hospital of China Medical University
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Liang YY, Huang JC, Tang RX, Chen WJ, Chen P, Cen WL, Shi K, Gao L, Gao X, Liu AG, Peng XT, Chen G, Huang SN, Fang YY, Gu YY. Clinical value of miR-198-5p in lung squamous cell carcinoma assessed using microarray and RT-qPCR. World J Surg Oncol 2018; 16:22. [PMID: 29394946 PMCID: PMC5797354 DOI: 10.1186/s12957-018-1320-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Accepted: 01/16/2018] [Indexed: 12/20/2022] Open
Abstract
Background To examine the clinical value of miR-198-5p in lung squamous cell carcinoma (LUSC). Methods Gene Expression Omnibus (GEO) microarray datasets were used to explore the miR-198-5p expression and its diagnostic value in LUSC. Real-time reverse transcription quantitative polymerase chain reaction was used to evaluate the expression of miR-198-5p in 23 formalin-fixed, paraffin-embedded (FFPE) LUSC tissues and corresponding non-cancerous tissues. The correlation between miR-198-5p expression and clinic pathological features was assessed. Meanwhile, putative target messenger RNAs of miR-198-5p were identified based on the analysis of differentially expressed genes in the Cancer Genome Atlas (TCGA) and 12 miRNA prediction tools. Subsequently, the putative target genes were sent to Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses. Results MiR-198-5p was low expressed in LUSC tissues. The combined standard mean difference (SMD) values of miR-198-5p expression based on GEO datasets were − 0.30 (95% confidence interval (CI) − 0.54, − 0.06) and − 0.39 (95% CI − 0.83, 0.05) using fixed effect model and random effect model, respectively. The sensitivity and specificity were not sufficiently high, as the area under the curve (AUC) was 0.7749 (Q* = 0.7143) based on summarized receiver operating characteristic (SROC) curves constructed using GEO datasets. Based on the in-house RT-qPCR, miR-198-5p expression was 4.3826 ± 1.7660 in LUSC tissues and 4.4522 ± 1.8263 in adjacent normal tissues (P = 0.885). The expression of miR-198-5p was significantly higher in patients with early TNM stages (I-II) than that in cases with advanced TNM stages (III-IV) (5.4400 ± 1.5277 vs 3.5690 ± 1.5228, P = 0.008). Continuous variable-based meta-analysis of GEO and PCR data displayed the SMD values of − 0.26 (95% CI − 0.48, − 0.04) and − 0.34 (95% CI − 0.71, 0.04) based on fixed and random effect models, respectively. As for the diagnostic value of miR-198-5p, the AUC based on the SROC curve using GEO and PCR data was 0.7351 (Q* = 0.6812). In total, 542 genes were identified as the targets of miR-198-5p. The most enriched Gene Ontology terms were epidermis development among biological processes, cell junction among cellular components, and protein dimerization activity among molecule functions. The pathway of non-small cell lung cancer was the most significant pathway identified using Kyoto Encyclopedia of Genes and Genomes analysis. Conclusion The expression of miR-198-5p is related to the TNM stage. Thus, miR-198-5p might play an important role via its target genes in LUSC.
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Affiliation(s)
- Yue-Ya Liang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Jia-Cheng Huang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Rui-Xue Tang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Wen-Jie Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Peng Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Wei-Luan Cen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Ke Shi
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Li Gao
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Xiang Gao
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - An-Gui Liu
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Xiao-Tong Peng
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Su-Ning Huang
- Department of Radiotherapy, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Ye-Ying Fang
- Department of Radiotherapy, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China.
| | - Yong-Yao Gu
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, People's Republic of China.
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Cimadamore A, Gasparrini S, Mazzucchelli R, Doria A, Cheng L, Lopez-Beltran A, Santoni M, Scarpelli M, Montironi R. Long Non-coding RNAs in Prostate Cancer with Emphasis on Second Chromosome Locus Associated with Prostate-1 Expression. Front Oncol 2017; 7:305. [PMID: 29312884 PMCID: PMC5732923 DOI: 10.3389/fonc.2017.00305] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 11/27/2017] [Indexed: 12/18/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are a class of RNA with transcripts longer than 200 nucleotides that lack functional open reading frames. They play various roles in human carcinoma, such as dysregulating gene expression in prostate cancer (PCa), which results in cancer initiation, development, and progression. The non-coding RNA SChLAP1 (second chromosome locus associated with prostate-1) is highly expressed in approximately 25% of PCas with higher prevalence in metastatic compared to localized PCa. Its expression is detectable non-invasively in PCa patient urine samples. Experimental data suggest that targeting SChLAP1 may represent a novel therapeutic application in PCa. This contribution focuses on the role of lncRNAs SChLAP1 expression in PCa diagnosis and prognosis.
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Affiliation(s)
- Alessia Cimadamore
- Section of Pathological Anatomy, School of Medicine, Polytechnic University of the Marche Region, United Hospitals, Ancona, Italy
| | - Silvia Gasparrini
- Section of Pathological Anatomy, School of Medicine, Polytechnic University of the Marche Region, United Hospitals, Ancona, Italy
| | - Roberta Mazzucchelli
- Section of Pathological Anatomy, School of Medicine, Polytechnic University of the Marche Region, United Hospitals, Ancona, Italy
| | - Andrea Doria
- Section of Pathological Anatomy, School of Medicine, Polytechnic University of the Marche Region, United Hospitals, Ancona, Italy
| | - Liang Cheng
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Antonio Lopez-Beltran
- Department of Pathology and Surgery, Faculty of Medicine, Universidad de Córdoba, Córdoba, Spain
| | | | - Marina Scarpelli
- Section of Pathological Anatomy, School of Medicine, Polytechnic University of the Marche Region, United Hospitals, Ancona, Italy
| | - Rodolfo Montironi
- Section of Pathological Anatomy, School of Medicine, Polytechnic University of the Marche Region, United Hospitals, Ancona, Italy
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Qin Z, Wei X, Jin N, Wang Y, Zhao R, Hu Y, Yan W, Li J, Zhou Q. MiR-199a targeting ROCK1 to affect kidney cell proliferation, invasion and apoptosis. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:1920-1925. [PMID: 29130345 DOI: 10.1080/21691401.2017.1396224] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Renal cell carcinoma (RCC) is one of the three most common cancers of urinary tract cancer, accounting for 2-3% of all systemic cancers. Recent studies have found that miR-199a is lowly expressed in RCC, may act as a tumour suppressor gene to induce the occurrence of kidney cancer. In the present study, we investigated the role of miR-199a in the progression and metastasis of RCC. The results showed that miR-199a significantly downregulated in RCC and cell lines. Overexpression of miR-199a in RCC cell lines significantly inhibited cell proliferation, migration and invasion. Furthermore, the qRT-PCR and western blot results showed that miR-199a overexpression significantly downregulated ROCK-1 mRNA and protein levels. ROCK1 was identified as a target of miR-199a, and ectopic expression of miR-199a downregulated ROCK1 by direct binding to its 3' untranslated region. Together, these findings indicate that miR-199a acts as a tumour suppressor and its downregulation in tumour tissues may contribute to the progression and metastasis of RCC through a mechanism involving ROCK1, suggesting miR-199a as a potential new diagnostic and therapeutic target for the treatment of RCC.
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Affiliation(s)
- Zhigang Qin
- a Department of Neurosurgery , China-Japan Union Hospital of Jilin University , Changchun , China
| | - Xin Wei
- b Department of Urology , China-Japan Union Hospital of Jilin University , Changchun , China
| | - Ning Jin
- b Department of Urology , China-Japan Union Hospital of Jilin University , Changchun , China
| | - Yao Wang
- b Department of Urology , China-Japan Union Hospital of Jilin University , Changchun , China
| | - Rui Zhao
- b Department of Urology , China-Japan Union Hospital of Jilin University , Changchun , China
| | - Yangqing Hu
- c Department of Nephrology , The Affiliated Hospital of Shao Yang University , Shaoyang , China
| | - Weijian Yan
- c Department of Nephrology , The Affiliated Hospital of Shao Yang University , Shaoyang , China
| | - Junke Li
- c Department of Nephrology , The Affiliated Hospital of Shao Yang University , Shaoyang , China
| | - Qiaoling Zhou
- d Department of Nephrology , Xiangya Hospital Central South University , Changsha , China
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García-Casas A, García-Olmo DC, García-Olmo D. Further the liquid biopsy: Gathering pieces of the puzzle of genometastasis theory. World J Clin Oncol 2017; 8:378-388. [PMID: 29067274 PMCID: PMC5638713 DOI: 10.5306/wjco.v8.i5.378] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 08/03/2017] [Accepted: 09/05/2017] [Indexed: 02/06/2023] Open
Abstract
Metastasis is the major cause of mortality in cancer disease and still constitutes one of the most controversial mechanism, not yet fully understood. What is almost beyond doubt is that circulatory system is crucial for cancer propagation. Regarding this system, much attention has been recently paid to liquid biopsy. This technique is aimed to detect circulating tumor cells (CTCs) and circulating nucleic acids so it can be used as a tool for diagnostic, prognostic and follow-up of patients. Whereas CTCs tend to be scarce in serum and plasma from cancer patient, abundant circulating nucleic acids can be detected in the same location. This fact, together with the genetic origin of cancer, stands out the relevance of circulating nucleic acids and shed light into the role of nucleic acids as drivers of metastasis, a recently discovered phenomenon called Genometastasis. This innovative theory supports the transfer of oncogenes from cancer cells to normal and susceptible cells located in distant target organs through circulatory system. What is more, many biological processes haven been described to deliver and secrete circulating nucleic acids into the circulation which can allow such horizontal transfer of oncogenes. In this review, we focus not only on these mechanisms but also we demonstrate its putative role in cancer propagation and give insights about possible therapeutic strategies based on this theory. Our objective is to demonstrate how findings about cell-to-cell communications and previous results can agree with this unprecedented theory.
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Affiliation(s)
| | - Dolores C García-Olmo
- Centre de Recerca Experimental Biomèdica Aplicada(CREBA), IRBLLEIDA, 25138 Lleida, Spain
| | - Damián García-Olmo
- Department of Surgery, Universidad Autónoma de Madrid, Instituto de Investigación Sanitaria, Fundación Jiménez Díaz, 28050 Madrid, Spain
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Liang Y, Wang H, Sun Y, Chen S, Wang H, Huang R, Zhao X, Fu W, Yang C. miR-198-induced upregulation of Livin may be associated with the prognosis and contribute to the oncogenesis of lung adenocarcinoma. Oncol Rep 2017; 38:2096-2104. [PMID: 28765921 PMCID: PMC5652946 DOI: 10.3892/or.2017.5866] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 06/29/2017] [Indexed: 12/20/2022] Open
Abstract
Livin, a member of the inhibitor of apoptosis protein (IAP) family, is expressed at a high level in lung adenocarcinoma and influences the progression of cancer, and its response to chemotherapy and radiotherapy. Aberrant microRNA (miRNA) expression has also been associated with cancer initiation and development. However, the clinical significance of Livin and its relationship with miRNAs in lung adenocarcinoma are still unclear. In the present study, the expression level of Livin in 90 pairs of lung adenocarcinoma and their adjacent tissues were detected by immunohistochemistry staining. Spearman correlation and Kaplan-Meier, univariate and multivariate analyses were applied to evaluate the correlation between the expression of Livin and clinical characteristics. With the integration of bioinformatics analysis and dual-luciferase reporter gene assays, we identified the miRNA that can target Livin mRNA. The functional effects of miRNA-mediated Livin knockdown were assessed by Cell Counting Kit-8 (CCK-8) and apoptosis assays, and cell cycle analysis. The present study revealed that Livin was upregulated in lung adenocarcinoma tissues and may be associated with the poor prognosis in lung adenocarcinoma patients. The overexpression of Livin is partly caused by the downregulation of miR-198. Further exploration revealed that miRNA-198-mediated silencing of Livin significantly inhibited cell growth and enhanced apoptosis of A549 cells, accompanied by marked upregulation of caspase-3. Finally, we observed that the miR-198 overexpression and Livin neutralization had similar effects on improving cisplatin chemosensitivity in A549 cells. Overall, these findings suggest that Livin has the potential to become a biomarker for predicting the prognosis of lung adenocarcinoma and may provide a promising strategy for assisting chemotherapy of lung adenocarcinoma through the miR-198/Livin/caspase-3 regulatory network.
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Affiliation(s)
- Yicheng Liang
- Department of Thoracic Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Hetan Wang
- Department of Medical Genetics, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Yuanyuan Sun
- Department of Medical Genetics, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Sheng Chen
- Department of Medical Genetics, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Haoyou Wang
- Department of Thoracic Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Rong Huang
- Department of Thoracic Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Xinyi Zhao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China
| | - Weineng Fu
- Department of Medical Genetics, China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Chunlu Yang
- Department of Thoracic Surgery, First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
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Li Y, Sun Z, Liu B, Shan Y, Zhao L, Jia L. Tumor-suppressive miR-26a and miR-26b inhibit cell aggressiveness by regulating FUT4 in colorectal cancer. Cell Death Dis 2017. [PMID: 28640257 PMCID: PMC5520934 DOI: 10.1038/cddis.2017.281] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Metastasis is a multistep molecular network process, which is the major cause of death in patients with colorectal cancer (CRC). MicroRNAs (miRNAs) play pivotal roles in tumorigenesis as either tumor suppressors or oncogenes. Increased expression of fucosyltransferase4 (FUT4) has been reported to be associated with the invasive and metastatic properties of CRC. Here to identify potential key miRNAs and their target genes for colorectal cancer (CRC), we compared miRNA expression profiles between metastatic CRC cell SW620 and primary CRC cell SW480. Microarray analysis revealed that there were 85 differentially expressed miRNAs in SW620 cells with highly metastatic potential compared to SW480 cells with lowly metastatic potential. The expression of miR-26a and miR-26b were lower in SW620 cells than in SW480 cells, as well as downregulated in tumor tissues than in adjacent normal tissues of CRC patients. By applying bioinformatic approaches for the prediction of miRNA targeting 3'-UTR of FUT4, we identified FUT4 as one of the miR-26a/26b-targeted genes, while the expression of the target gene exhibited patterns opposite to that of miR-26a/26b in CRC cell lines, tumor tissues and corresponding adjacent tissues. Forced miR-26a/26b expression affected migratory behavior of CRC cells and FUT4 expression, while altered expression of FUT4 in CRC cell lines modulated progression upon transfection with miR-26a/26b mimic or inhibiter. FUT4 also regulated directly aggressiveness of SW620 and SW480 cells. Moreover, statistical analyses revealed that low miR-26a/26b levels and high expression of FUT4 were positively correlated with poor overall survival. The identified CRC-restricted miR-26a and miR-26b might be implicated in cancer progression via their target gene FUT4, suggesting their potential usage in CRC treatment.
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Affiliation(s)
- Yang Li
- College of Laboratory Medicine, Dalian Medical University, Liaoning Province, Dalian 116044, China
| | - Zheng Sun
- College of Laboratory Medicine, Dalian Medical University, Liaoning Province, Dalian 116044, China
| | - Bing Liu
- College of Laboratory Medicine, Dalian Medical University, Liaoning Province, Dalian 116044, China
| | - Yujia Shan
- College of Laboratory Medicine, Dalian Medical University, Liaoning Province, Dalian 116044, China
| | - Lifen Zhao
- College of Laboratory Medicine, Dalian Medical University, Liaoning Province, Dalian 116044, China
| | - Li Jia
- College of Laboratory Medicine, Dalian Medical University, Liaoning Province, Dalian 116044, China
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Li Y, Luo H, Xiao N, Duan J, Wang Z, Wang S. Long Noncoding RNA SChLAP1 Accelerates the Proliferation and Metastasis of Prostate Cancer via Targeting miR-198 and Promoting the MAPK1 Pathway. Oncol Res 2017; 26:131-143. [PMID: 28492138 PMCID: PMC7844842 DOI: 10.3727/096504017x14944585873631] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Prostate cancer has become the most commonly diagnosed and the second leading cause of cancer-related deaths in males. The long noncoding RNA second chromosome locus associated with prostate-1 (SChLAP1) has been found to be overexpressed in a subset of prostate cancer. However, the significance and mechanism of SChLAP1 in prostate cancer are not well known. In this study, we explored the role of SChLAP1 in prostate cancer tissues, cell lines, and mouse models. The effect of SChLAP1 on miR-198 and MAPK1 was specifically examined. We found that SChLAP1 expression was significantly increased in prostate cancer cells and tissues. Knockdown of SChLAP1 promoted apoptosis and inhibited cell proliferation and invasion in vitro and in vivo. In addition, a potential bonding site between miR-198 and SChLAP1 was predicted, and a low expression of miR-198 was found in prostate cancer tissues and cells. Knockdown of SChLAP1 significantly increased the expression of miR-198, and SChLAP1 overexpression markedly decreased it, indicating that SChLAP1 acted as a negative regulator in the expression of miR-198. Furthermore, our results showed that SChLAP1 interacted with miR-198 and subsequently modulated the MAPK1 signaling pathway in prostate cancer. In conclusion, our study has identified a novel pathway through which SChLAP1 exerts its oncogenic role in prostate cancer at the level of miRNAs and provided a molecular basis for potential applications of SChLAP1 in the prognosis and treatment of prostate cancer.
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Affiliation(s)
- Ye Li
- Department of Urology, Lanzhou University Second Hospital, Lanzhou, P.R. China
| | - Haihong Luo
- Department of Medical Services, Lanzhou University Second Hospital, Lanzhou, P.R. China
| | - Nan Xiao
- Department of Urology, Lanzhou University Second Hospital, Lanzhou, P.R. China
| | - Jianmin Duan
- Department of Urology, Lanzhou University Second Hospital, Lanzhou, P.R. China
| | - Zhiping Wang
- Department of Urology, Lanzhou University Second Hospital, Lanzhou, P.R. China
| | - Shuanke Wang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, P.R. China
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Epigenetic Bases of Aberrant Glycosylation in Cancer. Int J Mol Sci 2017; 18:ijms18050998. [PMID: 28481247 PMCID: PMC5454911 DOI: 10.3390/ijms18050998] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 04/27/2017] [Accepted: 05/02/2017] [Indexed: 02/07/2023] Open
Abstract
In this review, the sugar portions of glycoproteins, glycolipids, and glycosaminoglycans constitute the glycome, and the genes involved in their biosynthesis, degradation, transport and recognition are referred to as “glycogenes“. The extreme complexity of the glycome requires the regulatory layer to be provided by the epigenetic mechanisms. Almost all types of cancers present glycosylation aberrations, giving rise to phenotypic changes and to the expression of tumor markers. In this review, we discuss how cancer-associated alterations of promoter methylation, histone methylation/acetylation, and miRNAs determine glycomic changes associated with the malignant phenotype. Usually, increased promoter methylation and miRNA expression induce glycogene silencing. However, treatment with demethylating agents sometimes results in silencing, rather than in a reactivation of glycogenes, suggesting the involvement of distant methylation-dependent regulatory elements. From a therapeutic perspective aimed at the normalization of the malignant glycome, it appears that miRNA targeting of cancer-deranged glycogenes can be a more specific and promising approach than the use of drugs, which broad target methylation/acetylation. A very specific type of glycosylation, the addition of GlcNAc to serine or threonine (O-GlcNAc), is not only regulated by epigenetic mechanisms, but is an epigenetic modifier of histones and transcription factors. Thus, glycosylation is both under the control of epigenetic mechanisms and is an integral part of the epigenetic code.
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Hu Y, Tang Z, Jiang B, Chen J, Fu Z. miR-198 functions as a tumor suppressor in breast cancer by targeting CUB domain-containing protein 1. Oncol Lett 2017; 13:1753-1760. [PMID: 28454320 DOI: 10.3892/ol.2017.5673] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2015] [Accepted: 08/05/2016] [Indexed: 12/25/2022] Open
Abstract
The molecular mechanisms underlying the dysregulation of microRNAs (miRs) have been previously documented in breast cancer. miR-198 has been reported to be deregulated in several human cancers. However, the detailed effects of miR-198 on breast cancer progression remain unclear. Using quantitative polymerase chain reaction analysis, we demonstrated in the present study that miR-198 was downregulated in breast cancer tissues and cell lines, and that downregulation of miR-198 was significantly correlated with lymph node metastasis. Functional studies revealed that miR-198 inhibited cell proliferation and migration and promoted cell adhesion in aggressive breast cancer cells in vitro. In addition, we observed that CUB domain-containing protein 1 (CDCP1) was a direct target of miR-198, and that knockdown of CDCP1 inhibited cell proliferation and migration, and promoted cell adhesion, which was similar to the effects of overexpression of miR-198. Taken together, we provide evidence to characterize the role of miR-198/CDCP1 interaction in breast cancer, which may be useful in breast cancer therapy.
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Affiliation(s)
- Yingbin Hu
- Department of Colorectal Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China
| | - Ziyuan Tang
- Department of Colorectal Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China
| | - Bonian Jiang
- Department of Colorectal Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China
| | - Juying Chen
- Department of Colorectal Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China
| | - Zhongpin Fu
- Department of Colorectal Surgery, The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P.R. China
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Okagawa Y, Takada K, Arihara Y, Kikuchi S, Osuga T, Nakamura H, Kamihara Y, Hayasaka N, Usami M, Murase K, Miyanishi K, Kobune M, Kato J. Activated p53 with Histone Deacetylase Inhibitor Enhances L-Fucose-Mediated Drug Delivery through Induction of Fucosyltransferase 8 Expression in Hepatocellular Carcinoma Cells. PLoS One 2016; 11:e0168355. [PMID: 27977808 PMCID: PMC5158067 DOI: 10.1371/journal.pone.0168355] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 11/30/2016] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The prognosis of advanced hepatocellular carcinoma (HCC) is dismal, underscoring the need for novel effective treatments. The α1,6-fucosyltransferase (fucosyltransferase 8, FUT8) has been reported to accelerate malignant potential in HCC. Our study aimed to investigate the regulation of FUT8 expression by p53 and develop a novel therapeutic strategy for targeting HCC cells using L-fucose-mediated drug delivery. METHODS Binding sites for p53 were searched for within the FUT8 promoter region. FUT8 expression was assessed by immunoblotting. Chromatin immunoprecipitation (ChIP) assays were performed to analyze p53 binding to the FUT8 promoter. The delivery of Cy5.5-encapsulated L-fucose-liposomes (Fuc-Lip-Cy5.5) to a Lens Culinaris agglutinin-reactive fraction of α-fetoprotein (AFP-L3)-expressing HCC cells was analyzed by flow cytometry. The induction of FUT8 by histone deacetylase inhibitor (HDACi) -inducing acetylated -p53 was evaluated by immunoblotting. Flow cytometric analysis was performed to assess whether the activation of p53 by HDACi affected the uptake of Fuc-Lip-Cy5.5 by HCC cells. The cytotoxicity of an L-fucose-bound liposome carrying sorafenib (Fuc-Lip-sorafenib) with HDACi was assessed in vivo and in vitro. RESULTS The knock down of p53 with siRNA led to decreased FUT8 expression. ChIP assays revealed p53 binds to the FUT8 promoter region. Flow cytometric analyses demonstrated the specific uptake of Fuc-Lip-Cy5.5 into AFP-L3-expressing HCC cells in a p53- and FUT8-dependent manner. HDACi upregulated the uptake of Fuc-Lip-Cy5.5 by HCC cells by increasing FUT8 via acetylated -p53. The addition of a HDACi increased apoptosis induced by Fuc-Lip-sorafenib in HCC cells. CONCLUSIONS Our findings reveal that FUT8 is a p53 target gene and suggest that p53 activated by HDACi induces Fuc-Lip-sorafenib uptake by HCC cells, highlighting this pathway as a promising therapeutic intervention for HCC.
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Affiliation(s)
- Yutaka Okagawa
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kohichi Takada
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yohei Arihara
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shohei Kikuchi
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takahiro Osuga
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hajime Nakamura
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yusuke Kamihara
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Naotaka Hayasaka
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Makoto Usami
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kazuyuki Murase
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Koji Miyanishi
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masayoshi Kobune
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Junji Kato
- Department of Medical Oncology and Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
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Exosomes as miRNA Carriers: Formation-Function-Future. Int J Mol Sci 2016; 17:ijms17122028. [PMID: 27918449 PMCID: PMC5187828 DOI: 10.3390/ijms17122028] [Citation(s) in RCA: 232] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 11/25/2016] [Accepted: 11/30/2016] [Indexed: 02/06/2023] Open
Abstract
Exosomes, which are one of the smallest extracellular vesicles released from cells, have been shown to carry different nucleic acids, including microRNAs (miRNAs). miRNAs significantly regulate cell growth and metabolism by posttranscriptional inhibition of gene expression. The rapidly changing understanding of exosomes’ formation and function in delivering miRNAs from cell to cell has prompted us to review current knowledge in exosomal miRNA secretion mechanisms as well as possible therapeutic applications for personalized medicine.
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Huang WT, Wang HL, Yang H, Ren FH, Luo YH, Huang CQ, Liang YY, Liang HW, Chen G, Dang YW. Lower expressed miR-198 and its potential targets in hepatocellular carcinoma: a clinicopathological and in silico study. Onco Targets Ther 2016; 9:5163-80. [PMID: 27578984 PMCID: PMC5001667 DOI: 10.2147/ott.s108828] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Purpose To investigate the clinicopathological value and potential roles of microRNA-198 (miR-198) in hepatocellular carcinoma (HCC). Methods Ninety-five formalin-fixed paraffin-embedded HCC and the para-cancerous liver tissues were gathered. Real-time reverse transcription quantitative polymerase chain reaction was applied to determine the miR-198 expression. The association between the miR-198 expression and clinicopathological features was examined. Meanwhile, potential target messenger RNAs of miR-198 in HCC were obtained from 14 miRNA prediction databases and natural language processing method, in which we pooled the genes related to the tumorigenesis and progression of HCC and classified them by their frequency. The selected target genes were finally analyzed in the Gene Ontology analysis and Kyoto Encyclopedia of Genes and Genomes pathway. Results miR-198 expression was significantly lower in HCC than that in adjacent noncancerous liver tissues (1.30±0.72 vs 2.01±0.58, P<0.001). Low miR-198 expression was also correlated to hepatitis C virus infection (r=−0.48, P<0.001), tumor capsular infiltration (r=−0.43, P<0.001), metastasis (r=−0.26, P<0.010), number of tumor nodes (r=−0.25, P=0.013), vaso-invasion (r=−0.24, P=0.017), and clinical tumor node metastasis stage (r=−0.23, P=0.024). Altogether, 1,048 genes were achieved by the concurrent prediction from at least four databases and natural language processing indicated 1,800 genes for HCC. Further, 127 overlapping targets were further proceeded with for pathway analysis. The most enriched Gene Ontology terms in the potential target messenger RNAs of miR-198 were cell motion, cell migration, cell motility, and regulation of cell proliferation in biological process; organelle lumen, membrane-enclosed lumen, and nuclear lumen in cellular component; and enzyme binding, protein domain-specific binding, and protein kinase activity in molecular function. Kyoto Encyclopedia of Genes and Genomes analysis showed that these target genes were obviously involved in focal adhesion and pathways in cancer. Conclusion Lower expression of miR-198 was related to several clinicopathological parameters in HCC patients. miR-198 might play a regulatory role through its target genes in the development of HCC.
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Affiliation(s)
| | | | - Hong Yang
- Department of Ultrasonography, First Affiliated Hospital of Guangxi Medical University, Nanning, People's Republic of China
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Vučković F, Theodoratou E, Thaçi K, Timofeeva M, Vojta A, Štambuk J, Pučić-Baković M, Rudd PM, Đerek L, Servis D, Wennerström A, Farrington SM, Perola M, Aulchenko Y, Dunlop MG, Campbell H, Lauc G. IgG Glycome in Colorectal Cancer. Clin Cancer Res 2016; 22:3078-86. [PMID: 26831718 PMCID: PMC5860729 DOI: 10.1158/1078-0432.ccr-15-1867] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Accepted: 12/31/2015] [Indexed: 11/16/2022]
Abstract
PURPOSE Alternative glycosylation has significant structural and functional consequences on IgG and consequently also on cancer immunosurveillance. Because of technological limitations, the effects of highly heritable individual variations and the differences in the dynamics of changes in IgG glycosylation on colorectal cancer were never investigated before. EXPERIMENTAL DESIGN Using recently developed high-throughput UPLC technology for IgG glycosylation analysis, we analyzed IgG glycome composition in 760 patients with colorectal cancer and 538 matching controls. Effects of surgery were evaluated in 28 patients sampled before and three times after surgery. A predictive model was built using regularized logistic regression and evaluated using a 10-cross validation procedure. Furthermore, IgG glycome composition was analyzed in 39 plasma samples collected before initial diagnosis of colorectal cancer. RESULTS We have found that colorectal cancer associates with decrease in IgG galactosylation, IgG sialylation and increase in core-fucosylation of neutral glycans with concurrent decrease of core-fucosylation of sialylated glycans. Although a model based on age and sex did not show discriminative power (AUC = 0.499), the addition of glycan variables into the model considerably increased the discriminative power of the model (AUC = 0.755). However, none of these differences were significant in the small set of samples collected before the initial diagnosis. CONCLUSIONS Considering the functional relevance of IgG glycosylation for both tumor immunosurveillance and clinical efficacy of therapy with mAbs, individual variation in IgG glycosylation may turn out to be important for prediction of disease course or the choice of therapy, thus warranting further, more detailed studies of IgG glycosylation in colorectal cancer. Clin Cancer Res; 22(12); 3078-86. ©2016 AACR.
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Affiliation(s)
| | - Evropi Theodoratou
- Centre for Population Health Sciences, University of Edinburgh, Edinburgh, United Kingdom. Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, United Kingdom
| | - Kujtim Thaçi
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Maria Timofeeva
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, United Kingdom
| | | | - Jerko Štambuk
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | | | - Pauline M Rudd
- National Institute for Bioprocessing Research and Training, Dublin, Ireland
| | - Lovorka Đerek
- Department of Medical Biochemistry and Laboratory Medicine, Clinical Hospital Merkur, Zagreb, Croatia
| | - Dražen Servis
- Allgemein- und Viszeralchirurgie, St. Anna Krankenhaus, Herne, Germany
| | - Annika Wennerström
- Department of Health, The National Institute for Health and Welfare, Helsinki, Finland
| | - Susan M Farrington
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, United Kingdom
| | - Markus Perola
- Department of Health, The National Institute for Health and Welfare, Helsinki, Finland
| | | | - Malcolm G Dunlop
- Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, United Kingdom
| | - Harry Campbell
- Centre for Population Health Sciences, University of Edinburgh, Edinburgh, United Kingdom. Colon Cancer Genetics Group, Institute of Genetics and Molecular Medicine, University of Edinburgh and Medical Research Council Human Genetics Unit, Edinburgh, United Kingdom
| | - Gordan Lauc
- Genos Glycoscience Research Laboratory, Zagreb, Croatia. Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia.
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Enzymes for N-Glycan Branching and Their Genetic and Nongenetic Regulation in Cancer. Biomolecules 2016; 6:biom6020025. [PMID: 27136596 PMCID: PMC4919920 DOI: 10.3390/biom6020025] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 04/15/2016] [Accepted: 04/21/2016] [Indexed: 02/07/2023] Open
Abstract
N-glycan, a fundamental and versatile protein modification in mammals, plays critical roles in various physiological and pathological events including cancer progression. The formation of N-glycan branches catalyzed by specific N-acetylglucosaminyltransferases [GnT-III, GnT-IVs, GnT-V, GnT-IX (Vb)] and a fucosyltransferase, Fut8, provides functionally diverse N-glycosylated proteins. Aberrations of these branches are often found in cancer cells and are profoundly involved in cancer growth, invasion and metastasis. In this review, we focus on the GlcNAc and fucose branches of N-glycans and describe how their expression is dysregulated in cancer by genetic and nongenetic mechanisms including epigenetics and nucleotide sugar metabolisms. We also survey the roles that these N-glycans play in cancer progression and therapeutics. Finally, we discuss possible applications of our knowledge on basic glycobiology to the development of medicine and biomarkers for cancer therapy.
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Zhang S, Zhao Y, Wang L. MicroRNA-198 inhibited tumorous behaviors of human osteosarcoma through directly targeting ROCK1. Biochem Biophys Res Commun 2016; 472:557-65. [PMID: 26970302 DOI: 10.1016/j.bbrc.2016.03.040] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Accepted: 03/09/2016] [Indexed: 10/22/2022]
Abstract
Osteosarcoma is an aggressive primary sarcoma of bone and occurs mainly in adolescents and young adults. The prognosis of OS remains poor, and most of them will die due to local relapse or metastases. The discovery of microRNAs provides a new possibility for the early diagnosis and treatment of OS. Thus, the aim of this study was to explore the expression and functions of microRNA-198 (miR-198) in osteosarcoma. The expression levels of miR-198 were determined by qRT-PCR in osteosarcoma tissues and cell lines. Cell proliferation assays, migration and invasion assays were adopted to investigate the effects of miR-198 on tumorous behaviors of osteosarcoma cells. The results showed that miR-198 expression levels were lower in osteosarcoma tissues and cell lines. In addition, low miR-198 expression levels were correlated with TNM stage and distant metastasis. After miR-198 mimics transfection, cell proliferation, migration and invasion were significantly suppressed in the osteosarcoma cells. Furthermore, ROCK1 was identified as a novel direct target of miR-198 in osteosarcoma. These findings suggested that miR-198 may act not only as a novel prognostic marker, but also as a potential target for molecular therapy of osteosarcoma.
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Affiliation(s)
- Shilian Zhang
- Department of Pediatrics, Affiliated Hospital of Weifang Medical University, China.
| | - Yuehua Zhao
- Department of Pediatrics, Affiliated Hospital of Weifang Medical University, China
| | - Lijie Wang
- Department of Pediatrics, Affiliated Hospital of Weifang Medical University, China
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Cui Z, Zheng X, Kong D. Decreased miR-198 expression and its prognostic significance in human gastric cancer. World J Surg Oncol 2016; 14:33. [PMID: 26852230 PMCID: PMC4744396 DOI: 10.1186/s12957-016-0784-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 01/27/2016] [Indexed: 12/31/2022] Open
Abstract
Background MicroRNAs (miRNAs) have been proved to play important roles in the tumorigenesis and development of human gastric cancer (GC). Our study aims to investigate the expression and clinical significance of miR-198 in GC patients. Methods Quantitative real-time polymerase chain reaction (RT-PCR) was performed to evaluate miR-198 levels in 106 pairs of GC specimens and adjacent noncancerous tissues. Then, the associations of miR-198 expression with clinicopathological factors and patient’s survival were determined. Results The expression levels of miR-198 in GC tissues were significantly lower than those in corresponding noncancerous tissues (p < 0.01). Decreased miR-198 expression was significantly associated with larger tumor size, deeper invasion depth, positive lymph node metastasis, advanced tumor-node-metastasis (TNM) stage, and shorter overall survival. Moreover, multivariate regression analysis identified low miR-198 expression as an independent predictor of poor survival. Conclusions These findings suggested that miR-198 downregulation may be associated with progression of GC and that this miR may be an independent prognostic marker for GC patients.
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Affiliation(s)
- Zhigang Cui
- Department of Oncology, Tianjin Nankai Hospital, No.6 of Changjiang Road, Nankai District, Tianjin, 300100, People's Republic of China
| | - Xin Zheng
- Department of Oncology, Tianjin Nankai Hospital, No.6 of Changjiang Road, Nankai District, Tianjin, 300100, People's Republic of China
| | - Di Kong
- Department of Oncology, Tianjin Nankai Hospital, No.6 of Changjiang Road, Nankai District, Tianjin, 300100, People's Republic of China.
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Fucosylation is associated with the malignant transformation of intraductal papillary mucinous neoplasms: a lectin microarray-based study. Surg Today 2016; 46:1217-23. [PMID: 26754572 DOI: 10.1007/s00595-015-1299-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 11/26/2015] [Indexed: 02/08/2023]
Abstract
PURPOSE Intraductal papillary mucinous neoplasm (IPMN) is an intraductal mucin-producing pancreatic neoplasm with the potential for malignant transformation. Changes in glycans expressed on the cell surface and glycotransferases play important roles in malignant transformation. We conducted this study to analyze glycan alterations in IPMNs by using a lectin microarray and to identify the factors associated with altered glycans and their relationships with malignant transformation. METHODS Using a lectin microarray, we evaluated glycan expression in 22 samples of IPMN with carcinoma, obtained from curative resections performed in our department. We also used immunohistochemistry to investigate fucosyltransferase 8 (Fut 8) protein expression, which is associated with glycan alterations in IPMNs. RESULTS The lectin microarray demonstrated that only two lectins, Aleuria aurantia lectin (AAL) and Aspergillus oryzae L-fucose-specific lectin (AOL), which bind to fucose, exhibited significant sequential increases from normal pancreatic duct to adenoma and carcinoma. Similarly, Fut 8 protein expression, which is associated with AAL and AOL, sequentially and significantly increased from the normal pancreatic duct to adenoma and carcinoma. CONCLUSIONS Lectin microarray analysis suggested that fucosylation is associated with the malignant transformation of IPMNs.
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Wu S, Zhang G, Li P, Chen S, Zhang F, Li J, Jiang C, Chen X, Wang Y, Du Y, Sun Q, Zhao G. miR-198 targets SHMT1 to inhibit cell proliferation and enhance cell apoptosis in lung adenocarcinoma. Tumour Biol 2015; 37:5193-202. [PMID: 26553359 DOI: 10.1007/s13277-015-4369-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 11/03/2015] [Indexed: 12/16/2022] Open
Abstract
MiR-198 is involved in tumorigenesis, migration, invasion, and metastasis of various malignant cancers. However, the exact expression levels of miR-198 and the molecular mechanism underlying its role in lung adenocarcinoma require further exploration. In this study, quantitative real-time PCR was applied to study miR-198 and serine hydroxymethyltransferase 1 (SHMT1) expression in 47 paired lung adenocarcinoma tissues and adjacent nontumor lung tissues. Clinicopathological characters were analyzed. Pearson's correlation analysis was used to detect the relationship between miR-198 and SHMT1 expression. The function of miR-198 was explored by measuring cell proliferation, cell apoptosis, and the cell-cycle in vitro and in vivo. The target gene of miR-198 was certified using dual luciferase report assay. We found that in lung adenocarcinoma, miR-198 was significantly downregulated and SHMT1 was inversely upregulated. A strong negative correlation was noticed between miR-198 and SHMT1 expression. Further analysis revealed that miR-198 expression was associated with TNM stage and lymph node metastasis. Upregulated miR-198 could inhibit cell proliferation, enhance cell apoptosis, and lead to cell-cycle arrest in lung adenocarcinoma, which showed a more effective alteration than SHMT1 siRNA. Moreover, we identified SHMT1 as a target gene of miR-198. In conclusion, miR-198 suppressed proliferation of lung adenocarcinoma cells both in vitro and in vivo by directly targeting SHMT1. miR-198 may be a potential therapeutic target for lung adenocarcinoma in the near future.
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Affiliation(s)
- Shujun Wu
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China
| | - Guojun Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China.
| | - Ping Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China
| | - Shanshan Chen
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China
| | - Furui Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China
| | - Juan Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China
| | - Chenyang Jiang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, People' s Republic of China
| | - Xiaonan Chen
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, People' s Republic of China
| | - Yuanyuan Wang
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, People' s Republic of China
| | - Yuwen Du
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, People' s Republic of China
| | - Qianqian Sun
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, People' s Republic of China
| | - Guoqiang Zhao
- School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, People' s Republic of China.
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Abstract
Background: MiR-198 has been considered as an inhibitor of cell proliferation, invasion, migration and a promoter of apoptosis in most cancer cells, while its effect on non-cancer cells is poorly understood. Methods: The effect of miR-198 transfection on HaCaT cell proliferation was firstly detected using Cell Count Kit-8 and the cell cycle progression was analyzed by flow cytometry. Using bioinformatics analyses and luciferase assay, a new target of miR-198 was searched and identified. Then, the effect of the new target gene of miR-198 on cell proliferation and cell cycle was also detected. Results: Here we showed that miR-198 directly bound to the 3′-UTR of CCND2 mRNA, which was a key regulator in cell cycle progression. Overexpressed miR-198 repressed CCND2 expression at mRNA and protein levels and subsequently led to cell proliferation inhibition and cell cycle arrest in the G1 phase. Transfection ofSiCCND2 in HaCaT cells showed similar inhibitory effects on cell proliferation and cell cycle progression. Conclusion: In conclusion, we have identified that miR-198 inhibited HaCaT cell proliferation by directly targeting CCND2.
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Wang Y, Fukuda T, Isaji T, Lu J, Im S, Hang Q, Gu W, Hou S, Ohtsubo K, Gu J. Loss of α1,6-fucosyltransferase inhibits chemical-induced hepatocellular carcinoma and tumorigenesis by down-regulating several cell signaling pathways. FASEB J 2015; 29:3217-27. [PMID: 25873065 DOI: 10.1096/fj.15-270710] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 03/31/2015] [Indexed: 12/28/2022]
Abstract
Up-regulation of core fucosylation catalyzed by α1,6-fucosyltransferase (Fut8) has been observed in hepatocellular carcinoma (HCC). Here, to explore the role of Fut8 expression in hepatocarcinogensis, we established the chemical-induced HCC models in the male wild-type (WT; Fut8(+/+)), hetero (Fut8(+/-)), and knockout (KO; Fut8(-/-)) mice by use of diethylnitrosamine (DEN) and pentobarbital (PB). In the Fut8(+/+) and Fut8(+/-) mice, multiple large and vascularized nodules were induced with an increased expression of Fut8 after DEN and PB treatment. However, the formation of HCC in Fut8(-/-) mice was suppressed almost completely. This potent inhibitory effect of Fut8 deficiency on tumorigenesis was also confirmed by the abolished tumor formation of Fut8 KO human hepatoma cell line cells by use of a xenograft tumor model. Furthermore, loss of the Fut8 gene resulted in attenuated responses to epidermal growth factor (EGF) and hepatocyte growth factor (HGF) in the HepG2 cell line, which provides the possible mechanisms for the contribution of Fut8 to hepatocarcinogensis. Taken together, our study clearly demonstrated that core fucosylation acts as a critical functional modulator in the liver and implicated Fut8 as a prognostic marker, as well as a novel, therapeutic target for HCC.
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Affiliation(s)
- Yuqin Wang
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Tomohiko Fukuda
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Tomoya Isaji
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Jishun Lu
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Sanghun Im
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Qinglei Hang
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Wei Gu
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Sicong Hou
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Kazuaki Ohtsubo
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
| | - Jianguo Gu
- *Division of Regulatory Glycobiology, Tohoku Pharmaceutical University, Sendai, Miyagi, Japan; and Department of Analytical Biochemistry, Faculty of Life Sciences, Kumamoto University, Japan
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