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Lv Y, Yin W, Zhang Z. Non-coding RNAs as potential biomarkers of gallbladder cancer. CLINICAL & TRANSLATIONAL ONCOLOGY : OFFICIAL PUBLICATION OF THE FEDERATION OF SPANISH ONCOLOGY SOCIETIES AND OF THE NATIONAL CANCER INSTITUTE OF MEXICO 2022; 25:1489-1511. [PMID: 36576705 DOI: 10.1007/s12094-022-03056-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/20/2022] [Indexed: 12/29/2022]
Abstract
Gallbladder cancer (GBC) performs strongly invasive and poor prognosis, and adenocarcinoma is the most common histological type in it. Statistically, the 5-year survival rate of patients with advanced GBC is less than 5%. Such dismal outcome might be caused by chemotherapy resistance and native biology of tumor cells, regardless of emerging therapeutic strategies. Early diagnosis, depending on biomarkers, receptors and secretive proteins, is more important than clinical therapy, guiding the pathologic stage of cancer and the choice of medication. Therefore, it is in urgent need to understand the specific pathogenesis of GBC and strive to find promising novel biomarkers for early screening in GBC. Non-coding RNAs (ncRNAs), especially microRNAs (miRNAs, miRs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), are confirmed to participate in and regulate the occurrence and development of GBC. Exceptionally, lncRNAs and circRNAs could act as competing endogenous RNAs (ceRNAs) containing binding sites for miRNAs and crosstalk with miRNAs to target regulatory downstream protein-coding messenger RNAs (mRNAs), thus affecting the expression levels of specific proteins to participate in and regulate the development and progression of GBC. It follows that ncRNAs may become promising biomarkers and potential therapeutic targets for GBC. In this review, we mainly summarize the recent research progress of miRNAs and lncRNAs in regulating the development and progression of GBC, chemoresistance, and predicting the prognosis of patients, and highlight the potential applications of the lncRNA/circRNA-miRNA-mRNA cross-regulatory networks in early diagnosis, chemoresistance, and prognostic evaluation, aiming to better understand the pathogenesis of GBC and develop new diagnostic and therapeutic strategies.
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Affiliation(s)
- Yan Lv
- The Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, China Three Gorges University, Yichang, 443002, China.
- College of Basic Medical Science, China Three Gorges University, Life Science Building, No.8 Daxue Road, Yichang, 443002, China.
| | - Wanyue Yin
- College of Basic Medical Science, China Three Gorges University, Life Science Building, No.8 Daxue Road, Yichang, 443002, China
| | - Zhikai Zhang
- The Third-Grade Pharmacological Laboratory On Traditional Chinese Medicine, State Administration of Traditional Chinese Medicine, China Three Gorges University, Yichang, 443002, China
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Uzuner E, Ulu GT, Gürler SB, Baran Y. The Role of MiRNA in Cancer: Pathogenesis, Diagnosis, and Treatment. Methods Mol Biol 2022; 2257:375-422. [PMID: 34432288 DOI: 10.1007/978-1-0716-1170-8_18] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cancer is also determined by the alterations of oncogenes and tumor suppressor genes. These gene expressions can be regulated by microRNAs (miRNA). At this point, researchers focus on addressing two main questions: "How are oncogenes and/or tumor suppressor genes regulated by miRNAs?" and "Which other mechanisms in cancer cells are regulated by miRNAs?" In this work we focus on gathering the publications answering these questions. The expression of miRNAs is affected by amplification, deletion or mutation. These processes are controlled by oncogenes and tumor suppressor genes, which regulate different mechanisms of cancer initiation and progression including cell proliferation, cell growth, apoptosis, DNA repair, invasion, angiogenesis, metastasis, drug resistance, metabolic regulation, and immune response regulation in cancer cells. In addition, profiling of miRNA is an important step in developing a new therapeutic approach for cancer.
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Affiliation(s)
- Erez Uzuner
- Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Turkey
| | - Gizem Tugçe Ulu
- Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Turkey
| | - Sevim Beyza Gürler
- Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Turkey
| | - Yusuf Baran
- Molecular Biology and Genetics, Izmir Institute of Technology, Izmir, Turkey.
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Rana V, Parama D, Khatoon E, Girisa S, Sethi G, Kunnumakkara AB. Reiterating the Emergence of Noncoding RNAs as Regulators of the Critical Hallmarks of Gall Bladder Cancer. Biomolecules 2021; 11:biom11121847. [PMID: 34944491 PMCID: PMC8699045 DOI: 10.3390/biom11121847] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 11/25/2021] [Accepted: 12/04/2021] [Indexed: 01/17/2023] Open
Abstract
Gall bladder cancer (GBC) is a rare and one of the most aggressive types of malignancies, often associated with a poor prognosis and survival. It is a highly metastatic cancer and is often not diagnosed at the initial stages, which contributes to a poor survival rate of patients. The poor diagnosis and chemoresistance associated with the disease limit the scope of the currently available surgical and nonsurgical treatment modalities. Thus, there is a need to explore novel therapeutic targets and biomarkers that will help relieve the severity of the disease and lead to advanced therapeutic strategies. Accumulating evidence has correlated the atypical expression of various noncoding RNAs (ncRNAs), including circular RNAs (circRNAs), long noncoding RNAs (lncRNAs), microRNAs (miRNAs), and small nucleolar RNAs (snoRNA) with the increased cell proliferation, epithelial-mesenchymal transition (EMT), invasion, migration, metastasis, chemoresistance, and decreased apoptosis in GBC. Numerous reports have indicated that the dysregulated expression of ncRNAs is associated with poor prognosis and lower disease-free and overall survival in GBC patients. These reports suggest that ncRNAs might be considered novel diagnostic and prognostic markers for the management of GBC. The present review recapitulates the association of various ncRNAs in the initiation and progression of GBC and the development of novel therapeutic strategies by exploring their functional and regulatory role.
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Affiliation(s)
- Varsha Rana
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India; (V.R.); (D.P.); (E.K.); (S.G.)
| | - Dey Parama
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India; (V.R.); (D.P.); (E.K.); (S.G.)
| | - Elina Khatoon
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India; (V.R.); (D.P.); (E.K.); (S.G.)
| | - Sosmitha Girisa
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India; (V.R.); (D.P.); (E.K.); (S.G.)
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
- Correspondence: (G.S.); (A.B.K.)
| | - Ajaikumar B. Kunnumakkara
- Cancer Biology Laboratory & DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India; (V.R.); (D.P.); (E.K.); (S.G.)
- Correspondence: (G.S.); (A.B.K.)
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Sui Z, Sui X. Long non-coding RNA TMPO-AS1 promotes cell proliferation, migration, invasion and epithelial-to-mesenchymal transition in gallbladder carcinoma by regulating the microRNA-1179/E2F2 axis. Oncol Lett 2021; 22:855. [PMID: 34777589 PMCID: PMC8581476 DOI: 10.3892/ol.2021.13116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/19/2021] [Indexed: 12/29/2022] Open
Abstract
Gallbladder carcinoma (GBC), which is a common tumor of the biliary system, poses a serious threat to human life and health. The present study aimed to investigate the molecular mechanism of the long non-coding (lnc)RNA thymopoietin antisense transcript 1 (TMPO-AS1)/microRNA (miRNA/miR)-1179/E2F transcription factor 2 (E2F2) axis in GBC. The viability, proliferation, migration, invasion and epithelial-to-mesenchymal transition (EMT) of GBC cell lines were assessed via the Cell Counting Kit-8, colony formation, Transwell migration and invasion, immunofluorescence and western blot assays. In the present study, lncRNA TMPO-AS1 was significantly upregulated in clinical GBC tissues and cell lines, and was highly expressed in stage III+IV patients with GBC compared with stage I+II patients with GBC. In addition, the overall survival rate of patients with low TMPO-AS1 expression levels was higher than those with high TMPO-AS1 expression levels. Furthermore, TMPO-AS1 knockdown inhibited the viability, proliferation, migration, invasion and EMT of GBC cell lines. In addition, miR-1179 expression was downregulated in clinical GBC tissues and cell lines, and negatively correlated with TMPO-AS1 expression. The results revealed that miR-1179 is a target of TMPO-AS1, which was confirmed via the dual-luciferase reporter assay and RNA pull-down analysis. Overexpression of miR-1179 inhibited the viability, proliferation, migration, invasion and EMT of GBC cell lines. Furthermore, E2F2 was verified as a direct target of miR-1179 by binding to its 3'-untranslated region. E2F2 expression was significantly upregulated in clinical GBC tissues and cell lines, and negatively correlated with miR-1179 expression. Notably, E2F2 knockdown partially hindered the effects of TMPO-AS1/miR-1179 on the proliferation and metastasis of GBC cell lines. Taken together, the results of the present study suggest that TMPO-AS1 potentially plays a tumor-promoting role in the occurrence and development of GBC, which may be achieved by regulating the miR-1179/E2F2 axis.
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Affiliation(s)
- Zhenghui Sui
- Department of General Surgery, The People's Hospital of Danyang and Affiliated Danyang Hospital of Nantong University, Danyang, Jiangsu 212300, P.R. China
| | - Xin Sui
- Department of General Surgery, The People's Hospital of Danyang and Affiliated Danyang Hospital of Nantong University, Danyang, Jiangsu 212300, P.R. China
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Cui K, Bian X. The microRNA cluster miR-30b/-30d prevents tumor cell switch from an epithelial to a mesenchymal-like phenotype in GBC. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2021; 20:716-725. [PMID: 33738326 PMCID: PMC7937539 DOI: 10.1016/j.omtm.2020.11.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 11/24/2020] [Indexed: 02/07/2023]
Abstract
As a malignancy of the gastrointestinal tract, gallbladder cancer (GBC) continues to exhibit notable rates of mortality. The current study aimed at investigating the effects associated with miR-30b and miR-30d (miR-30b/-30d) patterns in tumor cells undergoing epithelial-to-mesenchymal transition (EMT) in GBC. It identified that miR-30b and miR-30d, composed as a miRNA cluster, exhibited lower levels in the cancerous tissues from 50 patients with GBC relative to the gallbladder tissues from 35 patients with chronic cholecystitis. As expected, elevated expression of miR-30b/-30d was found to inhibit the EMT process, as evidenced by enhanced E-cadherin and reduced N-cadherin and vimentin in human GBC cells treated with miR-30b mimic, miR-30d mimic, and miR-30b/-30d mimic. Semaphorin-6B (SEMA6B) was identified as a target gene of miR-30b/-30d. Silencing of SEMA6B by its specific small interfering RNA (siRNA) mimicked the effect of miR-30b/-30d upregulation on the GBC cell EMT. Consistently, SEMA6B overexpression promoted this phenotypic switch even in the presence of miR-30b/-30d mimic. The tumorigenicity assay data obtained from nude mice also further supported the notion that miR-30b/-30d inhibited EMT of GBC cells. Thus, based on the key findings of the current study, we concluded that the miR-30b/-30d cluster may provide a potential avenue for targeting mesenchymal-like, invasive tumor cells in GBC.
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Affiliation(s)
- Kang Cui
- Clinical Laboratory, Linyi People's Hospital, Linyi 276003, P.R. China
| | - Xinyan Bian
- Anorectal Branch, Linyi People's Hospital, Linyi 276003, P.R. China
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Tulsyan S, Hussain S, Mittal B, Saluja SS, Tanwar P, Rath GK, Goodman M, Kaur T, Mehrotra R. A systematic review with in silico analysis on transcriptomic profile of gallbladder carcinoma. Semin Oncol 2020; 47:398-408. [DOI: 10.1053/j.seminoncol.2020.02.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 02/21/2020] [Indexed: 01/17/2023]
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Pancewicz J. A brief overview of clinical significance of novel Notch2 regulators. Mol Cell Oncol 2020; 7:1776084. [PMID: 32944632 PMCID: PMC7480808 DOI: 10.1080/23723556.2020.1776084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 10/24/2022]
Abstract
The Notch pathway is an essential signaling system allowing neighboring cells to communicate and accomplish their proper developmental role in physiological condition. Nevertheless, there are many controversies conferring its function in pathological condition, particularly in cancer. It has been discovered that epigenetic regulation, posttranslational modifications, gene overexpression, and mutations may lead to the dysregulation of the Notch pathway. Additionally, Notch-mediated signaling can support tumor-suppressing mechanisms in certain types of cancer or may have oncogenic functions in others. Notch2 is one of the receptors commonly expressed in a variety of cancer cells, including gastric, hematological, and lung cancer. Moreover, it can be dysregulated in other diseases. In efforts to explain the role of Notch2 in the pathogenesis of cancer, recent studies indicated an association between this receptor and dysregulation of miRNAs, tumor-associated stromal cell, and modulation in tumor cells. Consequently, Notch2 function in the carcinogenesis process is unquestionable, whereas information according to the effect of its inhibition in tumor is still obscure. Hence, the aim of our study was to evaluate the current state of knowledge conferring Notch2 inhibition, with a particular focus on its role in cancer.
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Affiliation(s)
- Joanna Pancewicz
- Department of Histology and Embryology, Medical University of Bialystok, Bialystok, Poland
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