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Liu S, Ruan Y, Chen X, He B, Chen Q. miR-137: a potential therapeutic target for lung cancer. Front Cell Dev Biol 2024; 12:1427724. [PMID: 39247624 PMCID: PMC11377224 DOI: 10.3389/fcell.2024.1427724] [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: 05/04/2024] [Accepted: 08/08/2024] [Indexed: 09/10/2024] Open
Abstract
Lung cancer is a prevalent malignancy and the leading cause of cancer-related deaths, posing a significant threat to human health. Despite advancements in treatment, the prognosis for lung cancer patients remains poor due to late diagnosis, cancer recurrence, and drug resistance. Epigenetic research, particularly in microRNAs, has introduced a new avenue for cancer prevention and treatment. MicroRNAs, including miR-137, play a vital role in tumor development by regulating various cellular processes. MiR-137 has garnered attention for its tumor-suppressive properties, with studies showing its potential in inhibiting cancer progression. In lung cancer, miR-137 is of particular interest, with numerous reports exploring its role and mechanisms. A comprehensive review is necessary to consolidate current evidence. This review highlights recent studies on miR-137 in lung cancer, covering cell proliferation, migration, apoptosis, drug resistance, and therapy, emphasizing its potential as a biomarker and therapeutic target for lung cancer treatment and prognosis.
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Affiliation(s)
- Shuanshuan Liu
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Yanyun Ruan
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Xu Chen
- Department of Pathology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Bao He
- Department of Neurosurgery, The First People's hospital of Kunshan, Affiliated Kunshan Hospital of Jiangsu University, Suzhou, Jiangsu, China
| | - Qi Chen
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
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2
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Pan T, Yang B, Yao S, Wang R, Zhu Y. Exploring the multifaceted role of adenosine nucleotide translocase 2 in cellular and disease processes: A comprehensive review. Life Sci 2024; 351:122802. [PMID: 38857656 DOI: 10.1016/j.lfs.2024.122802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/04/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024]
Abstract
Adenosine nucleotide translocases (ANTs) are a family of proteins abundant in the inner mitochondrial membrane, primarily responsible for shuttling ADP and ATP across the mitochondrial membrane. Additionally, ANTs are key players in balancing mitochondrial energy metabolism and regulating cell death. ANT2 isoform, highly expressed in undifferentiated and proliferating cells, is implicated in the development and drug resistance of various tumors. We conduct a detailed analysis of the potential mechanisms by which ANT2 may influence tumorigenesis and drug resistance. Notably, the significance of ANT2 extends beyond oncology, with roles in non-tumor cell processes including blood cell development, gastrointestinal motility, airway hydration, nonalcoholic fatty liver disease, obesity, chronic kidney disease, and myocardial development, making it a promising therapeutic target for multiple pathologies. To better understand the molecular mechanisms of ANT2, this review summarizes the structural properties, expression patterns, and basic functions of the ANT2 protein. In particular, we review and analyze the controversy surrounding ANT2, focusing on its role in transporting ADP/ATP across the inner mitochondrial membrane, its involvement in the composition of the mitochondrial permeability transition pore, and its participation in apoptosis.
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Affiliation(s)
- Tianhui Pan
- Laboratory of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, PR China
| | - Bin Yang
- Laboratory of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, PR China
| | - Sheng Yao
- Laboratory of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, PR China
| | - Rui Wang
- Laboratory of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, PR China
| | - Yongliang Zhu
- Laboratory of Gastroenterology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, PR China.
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3
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Gholamzad A, Khakpour N, Khosroshahi EM, Asadi S, Koohpar ZK, Matinahmadi A, Jebali A, Rashidi M, Hashemi M, Sadi FH, Gholamzad M. Cancer stem cells: The important role of CD markers, Signaling pathways, and MicroRNAs. Pathol Res Pract 2024; 256:155227. [PMID: 38490099 DOI: 10.1016/j.prp.2024.155227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/23/2024] [Accepted: 02/25/2024] [Indexed: 03/17/2024]
Abstract
For the first time, a subset of small cancer cells identified in acute myeloid leukemia has been termed Cancer Stem Cells (CSCs). These cells are notorious for their robust proliferation, self-renewal abilities, significant tumor-forming potential, spread, and resistance to treatments. CSCs are a global concern, as it found in numerous types of cancer, posing a real-world challenge today. Our review encompasses research on key CSC markers, signaling pathways, and MicroRNA in three types of cancer: breast, colon, and liver. These factors play a critical role in either promoting or inhibiting cancer cell growth. The reviewed studies have shown that as cells undergo malignant transformation, there can be an increase or decrease in the expression of different Cluster of Differentiation (CD) markers on their surface. Furthermore, alterations in essential signaling pathways, such as Wnt and Notch1, may impact CSC proliferation, survival, and movement, while also providing potential targets for cancer therapies. Additionally, some research has focused on MicroRNAs due to their dual role as potential therapeutic biomarkers and their ability to enhance CSCs' response to anti-cancer drugs. MicroRNAs also regulate a wide array of cellular processes, including the self-renewal and pluripotency of CSCs, and influence gene transcription. Thus, these studies indicate that MicroRNAs play a significant role in the malignancy of various tumors. Although the gathered information suggests that specific CSC markers, signaling pathways, and MicroRNAs are influential in determining the destiny of cancer cells and could be advantageous for therapeutic strategies, their precise roles and impacts remain incompletely defined, necessitating further investigation.
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Affiliation(s)
- Amir Gholamzad
- Department of Microbiology and Immunology, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Niloofar Khakpour
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Elaheh Mohandesi Khosroshahi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Saba Asadi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran
| | - Zeinab Khazaei Koohpar
- Department of Cell and Molecular Biology, Faculty of Biological Sciences,Tonekabon Branch,Islamic Azad University, Tonekabon, Iran
| | - Arash Matinahmadi
- Department of Cellular and Molecular Biology, Nicolaus Copernicus,Torun,Poland
| | - Ali Jebali
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran; Deprtment of Medical Nanotechnology,Faculty of Advanced Sciences and Technology,Tehran Medical Sciences,Islamic Azad University, Tehran, Iran
| | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical sciences, Islamic Azad University, Tehran, Iran.
| | | | - Mehrdad Gholamzad
- Department of Microbiology and Immunology, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
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Jesenko T, Brezar SK, Cemazar M, Biasin A, Tierno D, Scaggiante B, Grassi M, Grassi C, Dapas B, Truong NH, Abrami M, Zanconati F, Bonazza D, Rizzolio F, Parisi S, Pastorin G, Grassi G. Targeting Non-Coding RNAs for the Development of Novel Hepatocellular Carcinoma Therapeutic Approaches. Pharmaceutics 2023; 15:pharmaceutics15041249. [PMID: 37111734 PMCID: PMC10145575 DOI: 10.3390/pharmaceutics15041249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Hepatocellular carcinoma (HCC) remains a global health challenge, representing the third leading cause of cancer deaths worldwide. Although therapeutic advances have been made in the few last years, the prognosis remains poor. Thus, there is a dire need to develop novel therapeutic strategies. In this regard, two approaches can be considered: (1) the identification of tumor-targeted delivery systems and (2) the targeting of molecule(s) whose aberrant expression is confined to tumor cells. In this work, we focused on the second approach. Among the different kinds of possible target molecules, we discuss the potential therapeutic value of targeting non-coding RNAs (ncRNAs), which include micro interfering RNAs (miRNAs), long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs). These molecules represent the most significant RNA transcripts in cells and can regulate many HCC features, including proliferation, apoptosis, invasion and metastasis. In the first part of the review, the main characteristics of HCC and ncRNAs are described. The involvement of ncRNAs in HCC is then presented over five sections: (a) miRNAs, (b) lncRNAs, (c) circRNAs, (d) ncRNAs and drug resistance and (e) ncRNAs and liver fibrosis. Overall, this work provides the reader with the most recent state-of-the-art approaches in this field, highlighting key trends and opportunities for more advanced and efficacious HCC treatments.
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Affiliation(s)
- Tanja Jesenko
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia
| | - Simona Kranjc Brezar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia
| | - Maja Cemazar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Zaloska 2, SI-1000 Ljubljana, Slovenia
- Faculty of Health Sciences, University of Primorska, Polje 42, SI-6310 Izola, Slovenia
| | - Alice Biasin
- Department of Engineering and Architecture, Trieste University, via Valerio 6, I-34127 Trieste, Italy
| | - Domenico Tierno
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, I-34149 Trieste, Italy
| | - Bruna Scaggiante
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, I-34149 Trieste, Italy
| | - Mario Grassi
- Department of Engineering and Architecture, Trieste University, via Valerio 6, I-34127 Trieste, Italy
| | - Chiara Grassi
- Degree Course in Medicine, University of Trieste, I-34149 Trieste, Italy
| | - Barbara Dapas
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, I-34149 Trieste, Italy
| | - Nhung Hai Truong
- Faculty of Biology and Biotechnology, VNUHCM-University of Science, Ho Chi Minh City 70000, Vietnam
| | - Michela Abrami
- Department of Engineering and Architecture, Trieste University, via Valerio 6, I-34127 Trieste, Italy
| | - Fabrizio Zanconati
- Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital, Strada di Fiume, 447, I-34149 Trieste, Italy
| | - Deborah Bonazza
- Department of Medical, Surgical and Health Sciences, University of Trieste, Cattinara Hospital, Strada di Fiume, 447, I-34149 Trieste, Italy
| | - Flavio Rizzolio
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, I-33081 Aviano, Italy
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, I-30172 Venezia, Italy
| | - Salvatore Parisi
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, I-30172 Venezia, Italy
- Doctoral School in Molecular Biomedicine, University of Trieste, I-34149 Trieste, Italy
| | - Giorgia Pastorin
- Pharmacy Department, National University of Singapore, Block S9, Level 15, 4 Science Drive 2, Singapore 117544, Singapore
| | - Gabriele Grassi
- Department of Life Sciences, Cattinara University Hospital, Trieste University, Strada di Fiume 447, I-34149 Trieste, Italy
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Dou Z, Lu F, Hu J, Wang H, Li B, Li X. MicroRNA-6838-5p suppresses the self-renewal and metastasis of human liver cancer stem cells through downregulating CBX4 expression and inactivating ERK signaling. Biol Chem 2023; 404:29-39. [PMID: 36215729 DOI: 10.1515/hsz-2022-0156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 09/22/2022] [Indexed: 12/14/2022]
Abstract
Hepatocellular carcinoma (HCC) is the most common primary human liver malignancy with high mortality. Liver cancer stem cells (CSCs) have been demonstrated to contribute to the recurrence, metastasis and drug resistance of liver cancer. Human HCC cohort analysis indicated that the epigenetic regulator polycomb chromobox homologue 4 (CBX4) was overexpressed in human HCC. Moreover, we found that CBX4 expression was significantly higher in CD44+ CD133+ Hep3B CSCs. Functionally, we demonstrated that CBX4 regulated cell proliferation, self-renewal, and metastasis ability of Hep3B CSCs. Bioinformatics analysis predicted that CBX4 was a direct target of microRNA-6838-5p (miR-6838-5p), which was further confirmed by luciferase reporter assay. MiR-6838-6p was down-regulated in HCC tumors and overexpression of miR-6838-5p attenuated the malignant traits of human liver CSCs in vitro. In addition, we found that miR-6838-5p/CBX4 axis modulates the biological properties of human liver CSCs via regulating ERK signaling. Overexpression of miR-6838-5p suppressed Hep3B xenograft tumor growth in vivo, while CBX4 overexpression abrogated the suppression effect, restored the angiogenesis, epithelial-to-mesenchymal transition (EMT), and ERK signaling in Hep3B tumor. In summary, our findings suggest that miR-6838-5p/CBX4 axis regulates liver tumor development and metastasis, which could be utilized as potential therapeutic target for HCC treatment.
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Affiliation(s)
- Zhimin Dou
- Department of the First Clinical Medical College, Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
- Department of Critical Care Medicine, The First Hospital of Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
| | - Fei Lu
- Department of the First Clinical Medical College, Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
| | - Jinjing Hu
- Department of Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, The First Hospital of Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
| | - Haiping Wang
- Department of Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, The First Hospital of Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
| | - Bin Li
- Department of Critical Care Medicine, The First Hospital of Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
| | - Xun Li
- Department of the First Clinical Medical College, Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
- Department of Key Laboratory of Biotherapy and Regenerative Medicine of Gansu Province, The First Hospital of Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
- Department of General Surgery, The First Hospital of Lanzhou University, No.1, Donggang West Road, Chengguan District, Lanzhou, Gansu, 730000, China
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Mani N, Daiya A, Chowdhury R, Mukherjee S, Chowdhury S. Epigenetic adaptations in drug-tolerant tumor cells. Adv Cancer Res 2023; 158:293-335. [PMID: 36990535 DOI: 10.1016/bs.acr.2022.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Traditional chemotherapy against cancer is often severely hampered by acquired resistance to the drug. Epigenetic alterations and other mechanisms like drug efflux, drug metabolism, and engagement of survival pathways are crucial in evading drug pressure. Herein, growing evidence suggests that a subpopulation of tumor cells can often tolerate drug onslaught by entering a "persister" state with minimal proliferation. The molecular features of these persister cells are gradually unraveling. Notably, the "persisters" act as a cache of cells that can eventually re-populate the tumor post-withdrawal drug pressure and contribute to acquiring stable drug-resistant features. This underlines the clinical significance of the tolerant cells. Accumulating evidence highlights the importance of modulation of the epigenome as a critical adaptive strategy for evading drug pressure. Chromatin remodeling, altered DNA methylation, and de-regulation of non-coding RNA expression and function contribute significantly to this persister state. No wonder targeting adaptive epigenetic modifications is increasingly recognized as an appropriate therapeutic strategy to sensitize them and restore drug sensitivity. Furthermore, manipulating the tumor microenvironment and "drug holiday" is also explored to maneuver the epigenome. However, heterogeneity in adaptive strategies and lack of targeted therapies have significantly hindered the translation of epigenetic therapy to the clinics. In this review, we comprehensively analyze the epigenetic alterations adapted by the drug-tolerant cells, the therapeutic strategies employed to date, and their limitations and future prospects.
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LncRNA 1700020I14Rik promotes AKR1B10 expression and activates Erk pathway to induce hepatocyte damage in alcoholic hepatitis. Cell Death Dis 2022; 8:374. [PMID: 36028503 PMCID: PMC9418154 DOI: 10.1038/s41420-022-01135-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 11/29/2022]
Abstract
Alcoholic hepatitis (AH), a kind of alcoholic liver disease, shows poor prognosis. Long noncoding RNAs (lncRNAs) exert critical role in liver diseases. Here, we intended to investigate the possible molecular mechanism that 1700020I14Rik-based regulation of microRNA (miR)-137/Aldo-keto reductase family 1 member B10 (AKR1B10) affecting the inflammatory response and hepatocyte damage in AH. AH-related genes and the down-stream regulatory pathway were screnned by bioinformatics. Mouse normal hepatocyte cell line AML12 was selected to construct an ethanol-induced hepatocyte injury model for in vitro mechanistic validation, while we also established an AH mouse model using the ethanol with gradually increased concentration of 2–4% (v/v) for in vivo study. Specific role of 1700020I14Rik/miR-137/AKR1B10 in AML12 cell viability, proliferation and apoptotic capacity as well as inflammation and liver damage in mice were analyzed following ectopic and depletion approaches. We found elevated AKR1B10 and 1700020I14Rik but reduced miR-137 in AH. 1700020I14Rik was able to elevated miR-137-mediated AKR1B10. In vitro cell experiments and in vivo animal experiments validated that 1700020I14Rik reduced ethanol-induced hepatocyte damage and inflammation in AH mice through regulation of miR-137–mediated AKR1B10/Erk axis. The current study underlied that 1700020I14Rik could activate AKR1B10/Erk signaling through inhibition of miR-137, thereby promoting the hepatocyte damage in AH mice.
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He Q, Guo P, Bo Z, Yu H, Yang J, Wang Y, Chen G. Noncoding RNA-mediated molecular bases of chemotherapy resistance in hepatocellular carcinoma. Cancer Cell Int 2022; 22:249. [PMID: 35945536 PMCID: PMC9361533 DOI: 10.1186/s12935-022-02643-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 06/27/2022] [Indexed: 11/10/2022] Open
Abstract
Despite the significant progress in decreasing the occurrence and mortality of hepatocellular carcinoma (HCC), it remains a public health issue worldwide on the basis of its late presentation and tumor recurrence. To date, apart from surgical interventions, such as surgical resection, liver transplantation and locoregional ablation, current standard antitumor protocols include conventional cytotoxic chemotherapy. However, due to the high chemoresistance nature, most current therapeutic agents show dismal outcomes for this refractory malignancy, leading to disease relapse. Nevertheless, the molecular mechanisms involved in chemotherapy resistance remain systematically ambiguous. Herein, HCC is hierarchically characterized by the formation of primitive cancer stem cells (CSCs), progression of epithelial-mesenchymal transition (EMT), unbalanced autophagy, delivery of extracellular vesicles (EVs), escape of immune surveillance, disruption of ferroptosis, alteration of the tumor microenvironment and multidrug resistance-related signaling pathways that mediate the multiplicity and complexity of chemoresistance. Of note, anecdotal evidence has corroborated that noncoding RNAs (ncRNAs) extensively participate in the critical physiological processes mentioned above. Therefore, understanding the detailed regulatory bases that underlie ncRNA-mediated chemoresistance is expected to yield novel insights into HCC treatment. In the present review, a comprehensive summary of the latest progress in the investigation of chemotherapy resistance concerning ncRNAs will be elucidated to promote tailored individual treatment for HCC patients.
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Affiliation(s)
- Qikuan He
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Pengyi Guo
- Department of Cardiothoracic Surgery, Ningbo Yinzhou No. 2 Hospital, Ningbo, 315199, Zhejiang, China
| | - Zhiyuan Bo
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Haitao Yu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Jinhuan Yang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Yi Wang
- Department of Epidemiology and Biostatistics, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Gang Chen
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China.
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China.
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Sahoo OS, Pethusamy K, Srivastava TP, Talukdar J, Alqahtani MS, Abbas M, Dhar R, Karmakar S. The metabolic addiction of cancer stem cells. Front Oncol 2022; 12:955892. [PMID: 35957877 PMCID: PMC9357939 DOI: 10.3389/fonc.2022.955892] [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: 05/29/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Cancer stem cells (CSC) are the minor population of cancer originating cells that have the capacity of self-renewal, differentiation, and tumorigenicity (when transplanted into an immunocompromised animal). These low-copy number cell populations are believed to be resistant to conventional chemo and radiotherapy. It was reported that metabolic adaptation of these elusive cell populations is to a large extent responsible for their survival and distant metastasis. Warburg effect is a hallmark of most cancer in which the cancer cells prefer to metabolize glucose anaerobically, even under normoxic conditions. Warburg's aerobic glycolysis produces ATP efficiently promoting cell proliferation by reprogramming metabolism to increase glucose uptake and stimulating lactate production. This metabolic adaptation also seems to contribute to chemoresistance and immune evasion, a prerequisite for cancer cell survival and proliferation. Though we know a lot about metabolic fine-tuning in cancer, what is still in shadow is the identity of upstream regulators that orchestrates this process. Epigenetic modification of key metabolic enzymes seems to play a decisive role in this. By altering the metabolic flux, cancer cells polarize the biochemical reactions to selectively generate "onco-metabolites" that provide an added advantage for cell proliferation and survival. In this review, we explored the metabolic-epigenetic circuity in relation to cancer growth and proliferation and establish the fact how cancer cells may be addicted to specific metabolic pathways to meet their needs. Interestingly, even the immune system is re-calibrated to adapt to this altered scenario. Knowing the details is crucial for selective targeting of cancer stem cells by choking the rate-limiting stems and crucial branch points, preventing the formation of onco-metabolites.
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Affiliation(s)
- Om Saswat Sahoo
- Department of Biotechnology, National Institute of technology, Durgapur, India
| | - Karthikeyan Pethusamy
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | | | - Joyeeta Talukdar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Mohammed S. Alqahtani
- Radiological Sciences Department, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
- BioImaging Unit, Space Research Centre, Michael Atiyah Building, University of Leicester, Leicester, United Kingdom
| | - Mohamed Abbas
- Electrical Engineering Department, College of Engineering, King Khalid University, Abha, Saudi Arabia
- Computers and communications Department, College of Engineering, Delta University for Science and Technology, Gamasa, Egypt
| | - Ruby Dhar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Subhradip Karmakar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
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10
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El-Mahdy HA, Sallam AAM, Ismail A, Elkhawaga SY, Elrebehy MA, Doghish AS. miRNAs inspirations in hepatocellular carcinoma: Detrimental and favorable aspects of key performers. Pathol Res Pract 2022; 233:153886. [PMID: 35405621 DOI: 10.1016/j.prp.2022.153886] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/23/2022] [Accepted: 04/01/2022] [Indexed: 02/07/2023]
Abstract
Hepatocellular carcinoma (HCC) is the fourth leading cause of cancer-related deaths worldwide. HCC initiation, progression, and therapy failure are all influenced by various variables, including microRNAs (miRNAs). miRNAs are short non-coding RNA sequences that modulate target mRNA expression by deteriorating or repressing translation. miRNAs play an imperative role in HCC pathogenesis by triggering the induction of cancer stem cells (CSCs) and their proliferation, while also delaying apoptosis, sustaining the cell cycle, and inspiring angiogenesis, invasion, and metastasis. Additionally, miRNAs modulate crucial HCC-related molecular pathways such as the p53 pathway, the Wnt/β-catenin pathway, VEGFR2, and PTEN/PI3K/AKT pathway. Consequently, the goal of this review was to give an up-to-date overview of oncogenic and tumor suppressor (TS) miRNAs, as well as their potential significance in HCC pathogenesis and treatment responses, highlighting their underpinning molecular pathways in HCC initiation and progression. Similarly, the biological importance and clinical application of miRNAs in HCC are summarized.
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Affiliation(s)
- Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Al-Aliaa M Sallam
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed Ismail
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Samy Y Elkhawaga
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11231, Cairo, Egypt
| | - Mahmoud A Elrebehy
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
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11
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An integrated bioinformatic investigation of mitochondrial solute carrier family 25 (SLC25) in colon cancer followed by preliminary validation of member 5 (SLC25A5) in tumorigenesis. Cell Death Dis 2022; 13:237. [PMID: 35288533 PMCID: PMC8921248 DOI: 10.1038/s41419-022-04692-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 02/07/2022] [Accepted: 02/24/2022] [Indexed: 12/13/2022]
Abstract
Solute carrier family 25 (SLC25) encodes transport proteins at the inner mitochondrial membrane and functions as carriers for metabolites. Although SLC25 genetic variants correlate with human metabolic diseases, their roles in colon cancer remain unknown. Cases of colon cancer were retrieved from The Cancer Genome Atlas, and the transcriptionally differentially expressed members (DEMs) of SLC25 were identified. DNA level alterations, clinicopathological characteristics, and clinical survival were also investigated. A risk score model based on the DEMs was constructed to further evaluate their prognostic values in a clinical setting. The results were preliminarily validated using bioinformatic analysis of datasets from the Gene Expression Omnibus, immunohistochemical evaluations in clinical specimens, and functional experiments in colon cancer-derived cell lines. Thirty-seven DEMs were identified among 53 members of SLC25. Eight of 37 DEMs were introduced into a risk score model using integrated LASSO regression and multivariate Cox regression. Validated by GSE395282 and GSE175356, DEMs with high-risk scores were associated with the phenotypes of increasing tumor immune infiltration and decreasing glycolysis and apoptosis contents. SLC25A5 was downregulated in cancer, and its upregulation was related to better overall survival in patients from public datasets and in clinical cases. High SLC25A5 expression was an independent prognostic factor for 79 patients after surgical treatment. A negative correlation between CD8 and SLC25A5 was determined in specimens from 106 patients with advanced colon cancer. SLC25A5 attenuated cell proliferation, upregulated the expression of programmed cell death-related signatures, and exerted its biological function by inhibiting the MAPK signaling pathway. Our study reveals that mitochondrial SLC25 has prognostic value in patients with colon cancer. The bioinformatic analyses by following verification in situ and in vitro provide direction for further functional and mechanistic studies on the identified member of SLC25.
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12
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Tseng CF, Chen LT, Wang HD, Liu YH, Shiah SG. Transcriptional suppression of Dicer by HOXB-AS3/EZH2 complex dictates Sorafenib resistance and cancer stemness. Cancer Sci 2022; 113:1601-1612. [PMID: 35253323 PMCID: PMC9128169 DOI: 10.1111/cas.15319] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 02/15/2022] [Accepted: 02/22/2022] [Indexed: 11/28/2022] Open
Abstract
Sorafenib is multi-kinase inhibitor for the standard treatment of advanced liver cancer patients. However, acquired resistance to sorafenib is responsible for a poor prognosis. Therefore, uncovering the molecular mechanisms underlying sorafenib sensitization can provide biomarkers for sorafenib treatment and improve sorafenib activity in a precise medication. Here, we report that epigenetic suppression of Dicer by HOXB-AS3/EZH2 complex is responsible for sorafenib resistance. We observed that Dicer expression is inversely correlated with EZH2 levels, HOXB-AS3 expression, sorafenib resistance and cancer stem cell properties in liver cancer patients. Furthermore, ectopic expression of Dicer induced liver cancer cells re-sensitization to sorafenib. Mechanistically, we found HOXB-AS3 physically interacts with EZH2 and recruits EZH2 to the Dicer promoter, resulting in epigenetic suppression of Dicer expression. These findings reveal that HOXB-AS3/EZH2 complex-mediated Dicer suppression plays an important role in sorafenib resistance and cancer stemness and provide potential therapeutic strategies for diagnosing and treating liver cancer patients.
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Affiliation(s)
- Chi-Feng Tseng
- Graduate Program of Biotechnology in Medicine, NTHU & NHRI.,Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan.,National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli Country, Taiwan
| | - Li-Tzong Chen
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli Country, Taiwan.,Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Internal Medicine, Kaohsiung Medical University Hospital and Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Horng-Dar Wang
- Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan
| | - Yi-Hong Liu
- Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan.,National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli Country, Taiwan
| | - Shine-Gwo Shiah
- National Institute of Cancer Research, National Health Research Institutes, Zhunan, Miaoli Country, Taiwan.,Program in Environmental and Occupational Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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13
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Dashti F, Mirazimi SMA, Rabiei N, Fathazam R, Rabiei N, Piroozmand H, Vosough M, Rahimian N, Hamblin MR, Mirzaei H. The role of non-coding RNAs in chemotherapy for gastrointestinal cancers. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 26:892-926. [PMID: 34760336 PMCID: PMC8551789 DOI: 10.1016/j.omtn.2021.10.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Gastrointestinal (GI) cancers, including colorectal, gastric, hepatic, esophageal, and pancreatic tumors, are responsible for large numbers of deaths around the world. Chemotherapy is the most common approach used to treat advanced GI cancer. However, chemoresistance has emerged as a critical challenge that prevents successful tumor elimination, leading to metastasis and recurrence. Chemoresistance mechanisms are complex, and many factors and pathways are involved. Among these factors, non-coding RNAs (ncRNAs) are critical regulators of GI tumor development and subsequently can induce resistance to chemotherapy. This occurs because ncRNAs can target multiple signaling pathways, affect downstream genes, and modulate proliferation, apoptosis, tumor cell migration, and autophagy. ncRNAs can also induce cancer stem cell features and affect the epithelial-mesenchymal transition. Thus, ncRNAs could possibly act as new targets in chemotherapy combinations to treat GI cancer and to predict treatment response.
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Affiliation(s)
- Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Nikta Rabiei
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Fathazam
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Negin Rabiei
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Haleh Piroozmand
- Faculty of Veterinary Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Neda Rahimian
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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14
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Wang R, Li S, Wen W, Zhang J. Multi-Omics Analysis of the Effects of Smoking on Human Tumors. Front Mol Biosci 2021; 8:704910. [PMID: 34796198 PMCID: PMC8592943 DOI: 10.3389/fmolb.2021.704910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 09/15/2021] [Indexed: 12/13/2022] Open
Abstract
Comprehensive studies on cancer patients with different smoking histories, including non-smokers, former smokers, and current smokers, remain elusive. Therefore, we conducted a multi-omics analysis to explore the effect of smoking history on cancer patients. Patients with smoking history were screened from The Cancer Genome Atlas database, and their multi-omics data and clinical information were downloaded. A total of 2,317 patients were included in this study, whereby current smokers presented the worst prognosis, followed by former smokers, while non-smokers showed the best prognosis. More importantly, smoking history was an independent prognosis factor. Patients with different smoking histories exhibited different immune content, and former smokers had the highest immune cells and tumor immune microenvironment. Smokers are under a higher incidence of genomic instability that can be reversed following smoking cessation in some changes. We also noted that smoking reduced the sensitivity of patients to chemotherapeutic drugs, whereas smoking cessation can reverse the situation. Competing endogenous RNA network revealed that mir-193b-3p, mir-301b, mir-205-5p, mir-132-3p, mir-212-3p, mir-1271-5p, and mir-137 may contribute significantly in tobacco-mediated tumor formation. We identified 11 methylation driver genes (including EIF5A2, GBP6, HGD, HS6ST1, ITGA5, NR2F2, PLS1, PPP1R18, PTHLH, SLC6A15, and YEATS2), and methylation modifications of some of these genes have not been reported to be associated with tumors. We constructed a 46-gene model that predicted overall survival with good predictive power. We next drew nomograms of each cancer type. Interestingly, calibration diagrams and concordance indexes are verified that the nomograms were highly accurate for the prognosis of patients. Meanwhile, we found that the 46-gene model has good applicability to the overall survival as well as to disease-specific survival and progression-free intervals. The results of this research provide new and valuable insights for the diagnosis, treatment, and follow-up of cancer patients with different smoking histories.
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Affiliation(s)
- Rui Wang
- Department of Hepatobiliary Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Shanshan Li
- Department of Nursing, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Wen Wen
- Department of Hepatobiliary Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Jianquan Zhang
- Department of Hepatobiliary Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
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15
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Zhang H, Chen N, Deng Z, Mai Y, Deng L, Chen G, Li Y, Pan B, Zhong W. Suppression of ANT2 by miR-137 Inhibits Prostate Tumorigenesis. Front Genet 2021; 12:687236. [PMID: 34539732 PMCID: PMC8448070 DOI: 10.3389/fgene.2021.687236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/28/2021] [Indexed: 12/24/2022] Open
Abstract
Prostate cancer (PCa) is a serious disease that affects men’s health. To date, no effective and long-lasting treatment option for this condition is available in clinical practice. ANT2 is highly expressed in a variety of hormone-related cancers, but its relationship and regulatory mechanism with PCa are unclear. In this study, we found that ANT2 expression was significantly upregulated in PCa tissues relative to control samples. Genetic knockdown of ANT2 effectively inhibited, while overexpression promoted, proliferation, migration, and invasion of PCa cells. In addition, miR-137 expression was reduced in prostate cancer tissues relative to control tissues. We identified a regulatory site for miR-137 in the 3′-UTR of ANT2 mRNA; luciferase reporter assays indicated that ANT2 is a direct target gene for miR-137. Transfecting cells with miR-137 mimics and/or an ANT2-encoding plasmid revealed that ANT2 promotes proliferation, migration, and invasion of PCa, whereas co-expression of miR-137 mimics inhibited these behaviors. These observations suggest that miR-137 mimics inhibit development of PCa by antagonizing expression of ANT2. Furthermore, tumorigenic assays in nude mice showed that miR-137 inhibitors abolished the inhibitory effect of ANT2 knockdown on PCa tumor growth. Collectively, our findings suggest that ANT2, a target gene of miR-137, is intimately involved in development of PCa, providing new evidence for the mechanism underlying pathogenesis of PCa as well as new options for targeted therapy.
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Affiliation(s)
- Heyuan Zhang
- Department of Urology, Meizhou People's Hospital (Huangtang Hospital), Meizhou, China.,Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou People's Hospital (Huangtang Hospital), Meizhou, China
| | - Nanhui Chen
- Department of Urology, Meizhou People's Hospital (Huangtang Hospital), Meizhou, China.,Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou People's Hospital (Huangtang Hospital), Meizhou, China
| | - Zhihai Deng
- Department of Urology, Gaozhou People's Hospital, Gaozhou, China
| | - Yang Mai
- Department of Urology, Guangzhou Twelfth People's Hospital, Guangzhou, China
| | - Limin Deng
- Department of Urology, Meizhou People's Hospital (Huangtang Hospital), Meizhou, China
| | - Guo Chen
- Department of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yutong Li
- Department of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Bin Pan
- Department of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Weifeng Zhong
- Department of Urology, Meizhou People's Hospital (Huangtang Hospital), Meizhou, China.,Department of Urology, Guangzhou Twelfth People's Hospital, Guangzhou, China
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16
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Hu X, Zhu H, Shen Y, Zhang X, He X, Xu X. The Role of Non-Coding RNAs in the Sorafenib Resistance of Hepatocellular Carcinoma. Front Oncol 2021; 11:696705. [PMID: 34367979 PMCID: PMC8340683 DOI: 10.3389/fonc.2021.696705] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 06/28/2021] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the second most common cause of cancer-related death. Sorafenib is approved by the U.S. Food and Drug Administration to be a first-line chemotherapy agent for patients with advanced HCC. A portion of advanced HCC patients can benefit from the treatment with sorafenib, but many patients ultimately develop sorafenib resistance, leading to a poor prognosis. The molecular mechanisms of sorafenib resistance are sophisticated and indefinite. Notably, non-coding RNAs (ncRNAs), which include long ncRNAs (lncRNAs), microRNAs (miRNAs) and circular RNAs (circRNAs), are critically participated in the occurrence and progression of tumors. Moreover, growing evidence has suggested that ncRNAs are crucial regulators in the development of resistance to sorafenib. Herein, we integrally and systematically summarized the molecular mechanisms and vital role of ncRNAs impact sorafenib resistance of HCC, and ultimately explored the potential clinical administrations of ncRNAs as new prognostic biomarkers and therapeutic targets for HCC.
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Affiliation(s)
- Xinyao Hu
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, China.,Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hua Zhu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yang Shen
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, China.,Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoyu Zhang
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, China.,Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaoqin He
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, China.,Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ximing Xu
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, China.,Cancer Center, Renmin Hospital of Wuhan University, Wuhan, China
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17
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Zeng Z, Lu Q, Liu Y, Zhao J, Zhang Q, Hu L, Shi Z, Tu Y, Xiao Z, Xu Q, Huang D. Effect of the Hypoxia Inducible Factor on Sorafenib Resistance of Hepatocellular Carcinoma. Front Oncol 2021; 11:641522. [PMID: 34307125 PMCID: PMC8292964 DOI: 10.3389/fonc.2021.641522] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 06/16/2021] [Indexed: 12/11/2022] Open
Abstract
Sorafenib a multi-target tyrosine kinase inhibitor, is the first-line drug for treating advanced hepatocellular carcinoma (HCC). Mechanistically, it suppresses tumor angiogenesis, cell proliferation and promotes apoptosis. Although sorafenib effectively prolongs median survival rates of patients with advanced HCC, its efficacy is limited by drug resistance in some patients. In HCC, this resistance is attributed to multiple complex mechanisms. Previous clinical data has shown that HIFs expression is a predictor of poor prognosis, with further evidence demonstrating that a combination of sorafenib and HIFs-targeted therapy or HIFs inhibitors can overcome HCC sorafenib resistance. Here, we describe the molecular mechanism underlying sorafenib resistance in HCC patients, and highlight the impact of hypoxia microenvironment on sorafenib resistance.
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Affiliation(s)
- Zhi Zeng
- The Medical College of Qingdao University, Qingdao, China.,Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China
| | - Qiliang Lu
- The Medical College of Qingdao University, Qingdao, China.,Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China
| | - Yang Liu
- The Medical College of Qingdao University, Qingdao, China.,Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China
| | - Junjun Zhao
- Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China.,Graduate Department, Bengbu Medical College, Bengbu, China
| | - Qian Zhang
- The Medical College of Qingdao University, Qingdao, China
| | - Linjun Hu
- The Medical College of Qingdao University, Qingdao, China.,Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China
| | - Zhan Shi
- The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Yifeng Tu
- The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Zunqiang Xiao
- The Second Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Qiuran Xu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China
| | - Dongsheng Huang
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, China
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18
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Zhao W, Ma B, Tian Z, Han H, Tang J, Dong B, An G, Cao B, Wang B. Inhibiting CBX4 efficiently protects hepatocellular carcinoma cells against sorafenib resistance. Br J Cancer 2021; 124:1237-1248. [PMID: 33473171 PMCID: PMC8007794 DOI: 10.1038/s41416-020-01240-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 12/07/2020] [Accepted: 12/10/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND This study aimed to investigate the possible role of inhibiting chromobox protein homologue 4 (CBX4) to deregulate of cancer stem cells (CSCs) and to evaluate the contribution of these molecules to sorafenib resistance in advanced hepatocellular carcinoma (HCC). METHODS HCC cell lines and a xenograft mouse model with resistance to sorafenib were employed to analyse the effects of miR424 on CSC characteristics. RNA expression was analysed by RT-PCR and next-generation sequencing in a cohort of HCC cancer patients and sorafenib-resistant (SR) cell lines, respectively, to validate the key microRNAs and targets in the network. RESULTS MicroRNA and mRNA profiles of SR cell lines identified miR424 and its direct target CBX4 as significantly associated with stem-cell-like properties, poor survival, and clinical characteristics. Functional experiments demonstrated that miR424 suppressed CBX4 and CBX4 induced nuclear translocation of YAP1 protein but was not associated with protein production. When YAP1 and CBX4 were modulated with CA3 and UNC3866, tumorigenicity and stem-like properties were extremely inhibited, thus indicating that these compounds exerted a strong anti-tumour effect in vivo against SR HCC cells. CONCLUSIONS Our results revealed that blocking CBX4 expression is critical in response to sorafenib resistance with advanced HCC.
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Affiliation(s)
- Wei Zhao
- grid.412474.00000 0001 0027 0586Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Cell Biology, Peking University Cancer Hospital and Institute, 100142 Beijing, P.R. China
| | - Bo Ma
- grid.412474.00000 0001 0027 0586Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Lymphoma, Peking University Cancer Hospital and Institute, 100142 Beijing, P.R. China
| | - Zhihua Tian
- grid.412474.00000 0001 0027 0586Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Central Laboratory, Peking University Cancer Hospital and Institute, 100142 Beijing, P.R. China
| | - Haibo Han
- grid.412474.00000 0001 0027 0586Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Laboratory Center, Peking University Cancer Hospital and Institute, 100142 Beijing, P.R. China
| | - Jintian Tang
- grid.459346.90000 0004 1758 0312Department of Hepatopancreatobiliary Surgery, Affiliated Tumor Hospital of Xinjiang Medical University, 830011 Urumqi, Xinjiang P.R. China
| | - Bin Dong
- grid.412474.00000 0001 0027 0586Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Central Laboratory, Peking University Cancer Hospital and Institute, 100142 Beijing, P.R. China
| | - Guo An
- grid.412474.00000 0001 0027 0586Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Laboratory Animal, Peking University Cancer Hospital and Institute, 100142 Beijing, P.R. China
| | - Baoshan Cao
- grid.411642.40000 0004 0605 3760Department of Medical Oncology and Radiation Sickness, Peking University Third Hospital, 100191 Beijing, P.R. China
| | - Boqing Wang
- grid.459346.90000 0004 1758 0312Department of Hepatopancreatobiliary Surgery, Affiliated Tumor Hospital of Xinjiang Medical University, 830011 Urumqi, Xinjiang P.R. China
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19
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Antimicrobial Peptide TP4 Targets Mitochondrial Adenine Nucleotide Translocator 2. Mar Drugs 2020; 18:md18080417. [PMID: 32784874 PMCID: PMC7459631 DOI: 10.3390/md18080417] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/04/2020] [Accepted: 08/07/2020] [Indexed: 12/26/2022] Open
Abstract
Tilapia piscidin (TP) 4 is an antimicrobial peptide derived from Nile tilapia (Oreochromis niloticus), which shows broad-spectrum antibacterial activity and excellent cancer-killing ability in vitro and in vivo. Like many other antimicrobial peptides, TP4 treatment causes mitochondrial toxicity in cancer cells. However, the molecular mechanisms underlying TP4 targeting of mitochondria remain unclear. In this study, we used a pull-down assay on A549 cell lysates combined with LC-MS/MS to discover that TP4 targets adenine nucleotide translocator (ANT) 2, a protein essential for adenine nucleotide exchange across the inner membrane. We further showed that TP4 accumulates in mitochondria and colocalizes with ANT2. Moreover, molecular docking studies showed that the interaction requires Phe1, Ile2, His3, His4, Ser11, Lys14, His17, Arg21, Arg24 and Arg25 residues in TP4 and key residues within the cavity of ANT2. These findings suggest a mechanism by which TP4 may induce mitochondrial dysfunction to disrupt cellular energy metabolism.
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20
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Shen Q, Jiang S, Wu M, Zhang L, Su X, Zhao D. LncRNA HEIH Confers Cell Sorafenib Resistance in Hepatocellular Carcinoma by Regulating miR-98-5p/PI3K/AKT Pathway. Cancer Manag Res 2020; 12:6585-6595. [PMID: 32821157 PMCID: PMC7419617 DOI: 10.2147/cmar.s241383] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 05/10/2020] [Indexed: 12/31/2022] Open
Abstract
Background The hepatocellular carcinoma up-regulated EZH2-associated long non-coding RNA (HEIH) has been identified to act as an oncogene to promote cell tumorigenesis in hepatocellular carcinoma (HCC); however, the roles of HEIH in sorafenib resistance in HCC cells remain elusive. Materials and Methods The expression of HEIH and microRNA (miR)-98-5p was detected using quantitative real-time polymerase chain reaction. Cell viability, apoptosis, migration and invasion were analyzed using cell counting kit-8 assay, flow cytometry and transwell assay. Western blot was used to measure the levels of apoptosis-related protein and phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT) pathway-related protein. The interaction between HEIH and miR-98-5p was confirmed by dual-luciferase reporter and RNA immunoprecipitation assay. In vivo experiments were performed using murine xenograft models. Results HEIH was up-regulated in sorafenib-resistant HCC tissues and cell lines, and HEIH silence weakened sorafenib resistance by suppressing cell viability, invasion and migration, decreasing the IC50 values to sorafenib, and increasing apoptosis in sorafenib-resistant HCC cells in vitro and reinforced the anti-tumor effects of sorafenib in vivo. HEIH was a sponge of miR-98-5p, and miR-98-5p inhibition reversed the sorafenib sensitivity induced by HEIH deletion in sorafenib-resistant HCC cells. MiR-98-5p inhibition could activate PI3K/AKT pathway, and enhanced sorafenib resistance by regulating the activation of PI3K/AKT pathway in sorafenib-resistant HCC cells. Besides, HEIH also activated PI3K/AKT pathway through regulating miR-98-5p in sorafenib-resistant HCC cells. Conclusion HEIH conferred an advantage to sorafenib resistance in HCC by the activation of PI3K/AKT pathway through miR-98-5p, indicating a potential therapeutic strategy for HCC chemotherapy.
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Affiliation(s)
- Qian Shen
- Department of Nephrology, Putuo Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200062, People's Republic of China
| | - Shenhua Jiang
- Department of Pediatrics, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, People's Republic of China
| | - Mingyun Wu
- Department of Pediatrics, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, People's Republic of China
| | - Lei Zhang
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, People's Republic of China
| | - Xue Su
- Department of Nephrology, Putuo Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200062, People's Republic of China
| | - Ding Zhao
- Department of Oncology, Yancheng TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Yancheng, Jiangsu, 224000, People's Republic of China
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21
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The mechanisms of sorafenib resistance in hepatocellular carcinoma: theoretical basis and therapeutic aspects. Signal Transduct Target Ther 2020; 5:87. [PMID: 32532960 PMCID: PMC7292831 DOI: 10.1038/s41392-020-0187-x] [Citation(s) in RCA: 481] [Impact Index Per Article: 120.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/14/2020] [Accepted: 04/26/2020] [Indexed: 02/07/2023] Open
Abstract
Sorafenib is a multikinase inhibitor capable of facilitating apoptosis, mitigating angiogenesis and suppressing tumor cell proliferation. In late-stage hepatocellular carcinoma (HCC), sorafenib is currently an effective first-line therapy. Unfortunately, the development of drug resistance to sorafenib is becoming increasingly common. This study aims to identify factors contributing to resistance and ways to mitigate resistance. Recent studies have shown that epigenetics, transport processes, regulated cell death, and the tumor microenvironment are involved in the development of sorafenib resistance in HCC and subsequent HCC progression. This study summarizes discoveries achieved recently in terms of the principles of sorafenib resistance and outlines approaches suitable for improving therapeutic outcomes for HCC patients.
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22
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Gao Y, Gu J, Wang Y, Fu D, Zhang W, Zheng G, Wang X. Hepatitis B virus X protein boosts hepatocellular carcinoma progression by downregulating microRNA-137. Pathol Res Pract 2020; 216:152981. [PMID: 32527447 DOI: 10.1016/j.prp.2020.152981] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/30/2020] [Accepted: 04/13/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a frequent diagnosed malignancy. microRNAs (miRs) are involved in various cellular processes during cancer development. This study attempted to probe the miR-based mechanism in hepatitis B virus X protein (HBx) small interfering RNA (siRNA)-treated HCC cells. METHODS HBx expression in hepatocyte and HCC cells was detected, and cells with highest HBx expression were screened out and transfected with HBx-siRNAs. Then the effect of HBx on HCC cell proliferation was detected. miRs differentially expressed in HBx-siRNA-transfected MHCC97H cells were analyzed and verified. miR-137 methylation was analyzed by bioinformatics, and miR-137 restoration was detected after Aza treatment. Furthermore, miR-137 methylation in MHCC97H cells with HBx knockdown or HBx overexpression was detected by methylation specific PCR. The targeting relationship between miR-137 and Notch1 was verified. Then the gain-and-loss functions of miR-137 or/and Notch1 were performed to estimate their roles in HCC cell proliferation. The effects of HBx-siRNA and overexpressed miR-137 in vivo were observed by tumor xenograft in nude mice and immunohistochemistry. RESULTS HBx-siRNA weakened MHCC97H cell proliferation and tumor growth. miR-137 was highly expressed in HBx-siRNA-treated HCC cells and targeted Notch1. HBx knockdown decreased miR-137 methylation and restored miR-137 expression. miR-137 overexpression prevented HCC cell proliferation and tumor growth, while miR-137 downregulation reversed the repressing effects of HBx-siRNA on HCC cell proliferation. Inhibition of Notch1 reversed HCC cell proliferation induced by miR-137 downregulation. CONCLUSION Overexpression of miR-137 blocks HCC cell proliferation in HBx-siRNA-treated MHCC97H cells by targeting Notch1. This study may offer novel target for HCC treatment.
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Affiliation(s)
- Yong Gao
- Department of Clinical Laboratory, Fuyang Second People's Hospital, Fuyang Infectious Disease Clinical College, Anhui Medical University, Fuyang, 236015, Anhui, PR China
| | - Juan Gu
- Center for Precision Medicine, Anhui No. 2 Provincial People's Hospital, Hefei, 230041, Anhui, PR China; Department of Pathology, The Fifth People's Hospital of Wuxi, The Medical School of Jiangnan University, Wuxi, 214000, Jiangsu, PR China
| | - Yueping Wang
- Center for Precision Medicine, Anhui No. 2 Provincial People's Hospital, Hefei, 230041, Anhui, PR China; Department of Pathology, The Fifth People's Hospital of Wuxi, The Medical School of Jiangnan University, Wuxi, 214000, Jiangsu, PR China; Department of Biology, College of Arts & Science, Massachusetts University, Boston, MA, 02125, USA
| | - Decai Fu
- Department of Pathology, The Fifth People's Hospital of Wuxi, The Medical School of Jiangnan University, Wuxi, 214000, Jiangsu, PR China
| | - Wensheng Zhang
- Center for Precision Medicine, Anhui No. 2 Provincial People's Hospital, Hefei, 230041, Anhui, PR China
| | - Guofu Zheng
- Center for Precision Medicine, Anhui No. 2 Provincial People's Hospital, Hefei, 230041, Anhui, PR China
| | - Xuedong Wang
- Center for Precision Medicine, Anhui No. 2 Provincial People's Hospital, Hefei, 230041, Anhui, PR China; Department of Pathology, The Fifth People's Hospital of Wuxi, The Medical School of Jiangnan University, Wuxi, 214000, Jiangsu, PR China.
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Li T, Li Y, Liu T, Hu B, Li J, Liu C, Liu T, Li F. Mitochondrial PAK6 inhibits prostate cancer cell apoptosis via the PAK6-SIRT4-ANT2 complex. Theranostics 2020; 10:2571-2586. [PMID: 32194820 PMCID: PMC7052886 DOI: 10.7150/thno.42874] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 01/11/2020] [Indexed: 12/18/2022] Open
Abstract
Rationale: P21-activated kinase 6 (PAK6) is a member of the class II PAKs family, which is a conserved family of serine/threonine kinases. Although the effects of PAK6 on many malignancies, especially in prostate cancer, have been studied for a long time, the role of PAK6 in mitochondria remains unknown. Methods: The expression of PAK6, SIRT4 and ANT2 in prostate cancer and adjacent non-tumor tissues was detected by immunohistochemistry. Immunofuorescence and immunoelectron microscopy were used to determine the subcellular localization of PAK6. Immunoprecipitation, immunofuorescence and ubiquitination assays were performed to determine how PAK6 regulates SIRT4, how SIRT4 regulates ANT2, and how PAK6 regulates ANT2. Flow cytometry detection and xenograft models were used to evaluate the impact of ANT2 mutant expression on the prostate cancer cell cycle and apoptosis regulation. Results: The present study revealed that the PAK6-SIRT4-ANT2 complex is involved in mitochondrial apoptosis in prostate cancer cells. It was found that PAK6 is mainly located in the mitochondrial inner membrane, in which PAK6 promotes SIRT4 ubiquitin-mediated proteolysis. Furthermore, SIRT4 deprives the ANT2 acetylation at K105 to promote its ubiquitination degradation. Hence, PAK6 adjusts the acetylation level of ANT2 through the PAK6-SIRT4-ANT2 pathway, in order to regulate the stability of ANT2. Meanwhile, PAK6 directly phosphorylates ANT2 atT107 to inhibit the apoptosis of prostate cancer cells. Therefore, the phosphorylation and deacetylation modifications of ANT2 are mutually regulated, leading to tumor growth in vivo. Consistently, these clinical prostate cancer tissue evaluations reveal that PAK6 is positively correlated with ANT2 expression, but negatively correlated with SIRT4. Conclusion: These present findings suggest the pivotal role of the PAK6-SIRT4-ANT2 complex in the apoptosis of prostate cancer. This complex could be a potential biomarker for the treatment and prognosis of prostate cancer.
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Affiliation(s)
- Tingting Li
- Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, Shenyang 110122, Liaoning, China
| | - Yang Li
- Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, Shenyang 110122, Liaoning, China
| | - Tong Liu
- Medical Research Center, Peking University Third Hospital, 49 North Garden Road, Haidian District, Beijing 100191, China
| | - Bingtao Hu
- Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, Shenyang 110122, Liaoning, China
| | - Jiabin Li
- Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, Shenyang 110122, Liaoning, China
| | - Chen Liu
- Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, Shenyang 110122, Liaoning, China
| | - Tao Liu
- Department of Urology, the First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning, China
| | - Feng Li
- Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, Shenyang 110122, Liaoning, China
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24
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Ziogas IA, Sioutas G, Mylonas KS, Tsoulfas G. Role of MicroRNA in the Diagnosis and Management of Hepatocellular Carcinoma. Microrna 2020; 9:25-40. [PMID: 31218966 DOI: 10.2174/2211536608666190619155406] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/11/2019] [Accepted: 05/06/2019] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Hepatocellular Carcinoma (HCC) is one of the most common malignant tumors in the world and comes third in cancer-induced mortality. The need for improved and more specific diagnostic methods that can detect early-stage disease is immense, as it is amenable to curative modalities, while advanced HCC is associated with low survival rates. microRNA (miRNA) expression is deregulated in HCC and this can be implemented both diagnostically and therapeutically. OBJECTIVE To provide a concise review on the role of miRNA in diagnosis, prognosis, and treatment of HCC. METHODS We conducted a comprehensive review of the PubMed bibliographic database. RESULTS Multiple miRNAs are involved in the pathogenesis of HCC. Measurement of the levels of these miRNAs either in tumor tissue or in the blood constitutes a promising diagnostic, as well as prognostic tool. OncomiRs are miRNAs that promote tumorigenesis, thus inhibiting them by administering antagomiRs is a promising treatment option. Moreover, replacement of the depleted miRNAs is another potential therapeutic approach for HCC. Modification of miRNA levels may also regulate sensitivity to chemotherapeutic agents. CONCLUSION miRNA play a pivotal role in HCC pathogenesis and once the underlying mechanisms are elucidated, they will become part of everyday clinical practice against HCC.
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Affiliation(s)
- Ioannis A Ziogas
- Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Surgery Working Group, Society of Junior Doctors, Athens, Greece
| | - Georgios Sioutas
- Surgery Working Group, Society of Junior Doctors, Athens, Greece
- Medical School, Democritus University of Thrace, Alexandroupolis, Greece
| | - Konstantinos S Mylonas
- Surgery Working Group, Society of Junior Doctors, Athens, Greece
- Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Tsoulfas
- 1st Department of Surgery, Aristotle University of Thessaloniki, Thessaloniki, Greece
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25
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Du F, Yu L, Wu Y, Wang S, Yao J, Zheng X, Xie S, Zhang S, Lu X, Liu Y, Chen W. miR-137 alleviates doxorubicin resistance in breast cancer through inhibition of epithelial-mesenchymal transition by targeting DUSP4. Cell Death Dis 2019; 10:922. [PMID: 31801953 PMCID: PMC6892819 DOI: 10.1038/s41419-019-2164-2] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 10/14/2019] [Accepted: 10/18/2019] [Indexed: 12/14/2022]
Abstract
Acquired resistance to chemotherapy is a major obstacle in breast cancer (BC) treatment. Accumulated evidence has uncovered that microRNAs (miRNAs) are vital regulators of chemoresistance in cancer. Growing studies reveal that miR-137 acts as a suppressor in tumor progression. However, it remains obscure the role of miR-137 in modulating the sensitivity of BC cells to doxorubicin (DOX). In this study, we demonstrate that miR-137 exerts a significant effect on repressing the development of chemoresistance of BC cells in response to DOX via attenuating epithelial-mesenchymal transition (EMT) of tumor cells in vitro and in vivo. MiR-137 overexpression dramatically elevated the sensitivity of BC cells to DOX as well as impaired the DOX-promoted EMT of tumor cells. Mechanistically, miR-137 directly targeted dual-specificity phosphatase 4 (DUSP4) to impact on the EMT and chemoresistance of BC cells upon DOX treatment. Consistently, decreased DUSP4 efficiently enhanced the sensitivity of BC cells to DOX while overexpressed DUSP4 significantly diminished the beneficial effect of miR-137 on BC cells chemoresistance. Moreover, the increased miR-137 heightened the sensitivity of BC cells-derived tumors to DOX through targeting DUSP4 in vivo. Together, our results provide a novel insight into the DOX resistance of BC cells and miR-137 may serve as a new promising therapeutic target for overcoming chemoresistance in BC.
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Affiliation(s)
- Feiya Du
- Department of Orthopaedics, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Ling Yu
- Department of Nephrology, the Children' s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ying Wu
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,Tongde Hospital of Zhejiang province, Hangzhou, Zhejiang, 310012, China
| | - Shuqian Wang
- Department of General Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, China
| | - Jia Yao
- Department of General Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, China
| | - Xiaoxiao Zheng
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,Tongde Hospital of Zhejiang province, Hangzhou, Zhejiang, 310012, China
| | - Shangzhi Xie
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,Tongde Hospital of Zhejiang province, Hangzhou, Zhejiang, 310012, China
| | - Shufeng Zhang
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,Tongde Hospital of Zhejiang province, Hangzhou, Zhejiang, 310012, China
| | - Xuemei Lu
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,Tongde Hospital of Zhejiang province, Hangzhou, Zhejiang, 310012, China
| | - Yu Liu
- Department of General Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, China.
| | - Wei Chen
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy Combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,Tongde Hospital of Zhejiang province, Hangzhou, Zhejiang, 310012, China.
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26
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Wang Y, Jiang F, Jiao K, Ju L, Liu Q, Li Y, Miao L, Li Z. De-methylation of miR-148a by arsenic trioxide enhances sensitivity to chemotherapy via inhibiting the NF-κB pathway and CSC like properties. Exp Cell Res 2019; 386:111739. [PMID: 31759055 DOI: 10.1016/j.yexcr.2019.111739] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/22/2019] [Accepted: 11/17/2019] [Indexed: 02/08/2023]
Abstract
Chemo-resistance to conventional therapy is a major barrier requiring further investigation in hepatocellular carcinoma (HCC). Cancer stem like cells (CSCs) contribute to the tumorigenicity, progression, and chemo-resistance of malignancies. Studies have implicated the anti-cancer effects of arsenic trioxide (ATO) and have explored the underlying mechanisms. However, whether ATO might reverse chemo-resistance by inhibiting the CSC like properties remains under investigation. Here, we explored the potential of ATO in chemotherapy in constructed multiple drug resistant (MDR) liver cancer cells. ATO re-sensitized the MDR Bel-7402 cells (BelMDR) cells to chemotherapeutic drugs, an effect mediated by the inhibition of NF-κB pathway and CSCs properties. For the molecular mechanisms, via inducing the DNA de-methylation, ATO activated the microRNA-148a (miR-148a), leading to the repression of NF-κB pathway by targeting the 3'-UTR of p65. In summary, epigenetic regulation of miR-148a by ATO is an important mechanism in drug resistance that decreases the expression of NF-κB and hence represses CSC like phenotype. These findings may suggest a novel mechanism for HCC treatment.
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Affiliation(s)
- Yuting Wang
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Fei Jiang
- Department of Occupational and Environmental Health, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, China
| | - Kailin Jiao
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Liang Ju
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Qinqiang Liu
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China
| | - Yuan Li
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Lin Miao
- The Second Affiliated Hospital of Nanjing Medical University, Nanjing, 210011, China.
| | - Zhong Li
- Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China.
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27
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Lai Y, Feng B, Abudoureyimu M, Zhi Y, Zhou H, Wang T, Chu X, Chen P, Wang R. Non-coding RNAs: Emerging Regulators of Sorafenib Resistance in Hepatocellular Carcinoma. Front Oncol 2019; 9:1156. [PMID: 31750247 PMCID: PMC6848262 DOI: 10.3389/fonc.2019.01156] [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: 08/20/2019] [Accepted: 10/16/2019] [Indexed: 12/24/2022] Open
Abstract
As the first oral multi-target anti-tumor drug proved for the treatment of patients with advanced liver cancer in 2007, sorafenib has changed the landscape of advanced hepatocellular carcinoma (HCC) treatment. However, drug resistance largely hinders its clinical application. Non-coding RNAs (ncRNAs), including microRNAs (miRNAs), and long non-coding (lncRNAs), have recently been demonstrated playing critical roles in a variety of cancers including HCC, while the mechanisms of ncRNAs in HCC sorafenib resistance have not been extensively characterized yet. Herein, we summarize the mechanisms of recently reported ncRNAs involved in sorafenib resistance and discuss the potential strategies for their application in the battle against HCC.
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Affiliation(s)
- Yongting Lai
- Department of Medical Oncology, Nanjing School of Clinical Medicine, Jinling Hospital, Southern Medical University, Nanjing, China
| | - Bing Feng
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Mubalake Abudoureyimu
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Yingru Zhi
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Hao Zhou
- Department of Medical Oncology, Jinling Hospital, Nanjing Medical University, Nanjing, China
| | - Ting Wang
- Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Xiaoyuan Chu
- Department of Medical Oncology, Nanjing School of Clinical Medicine, Jinling Hospital, Southern Medical University, Nanjing, China.,Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
| | - Ping Chen
- Department of Oncology, First People's Hospital of Yancheng, Fourth Affiliated Hospital of Nantong University, Yancheng, China
| | - Rui Wang
- Department of Medical Oncology, Nanjing School of Clinical Medicine, Jinling Hospital, Southern Medical University, Nanjing, China.,Department of Medical Oncology, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, China
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28
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Wei L, Wang X, Lv L, Liu J, Xing H, Song Y, Xie M, Lei T, Zhang N, Yang M. The emerging role of microRNAs and long noncoding RNAs in drug resistance of hepatocellular carcinoma. Mol Cancer 2019; 18:147. [PMID: 31651347 PMCID: PMC6814027 DOI: 10.1186/s12943-019-1086-z] [Citation(s) in RCA: 237] [Impact Index Per Article: 47.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 10/04/2019] [Indexed: 12/11/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is the fifth most common malignancy worldwide and the second most lethal human cancer. A portion of patients with advanced HCC can significantly benefit from treatments with sorafenib, adriamycin, 5-fluorouracil and platinum drugs. However, most HCC patients eventually develop drug resistance, resulting in a poor prognosis. The mechanisms involved in HCC drug resistance are complex and inconclusive. Human transcripts without protein-coding potential are known as noncoding RNAs (ncRNAs), including microRNAs (miRNAs), small nucleolar RNAs (snoRNAs), long noncoding RNAs (lncRNAs) and circular RNA (circRNA). Accumulated evidences demonstrate that several deregulated miRNAs and lncRNAs are important regulators in the development of HCC drug resistance which elucidates their potential clinical implications. In this review, we summarized the detailed mechanisms by which miRNAs and lncRNAs affect HCC drug resistance. Multiple tumor-specific miRNAs and lncRNAs may serve as novel therapeutic targets and prognostic biomarkers for HCC.
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Affiliation(s)
- Ling Wei
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Xingwu Wang
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Liyan Lv
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Jibing Liu
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China.,Department of Intervention Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Huaixin Xing
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Yemei Song
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Mengyu Xie
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Tianshui Lei
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Nasha Zhang
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China.
| | - Ming Yang
- Shandong Provincial Key Laboratory of Radiation Oncology, Cancer Research Center, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China.
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Pratama MY, Pascut D, Massi MN, Tiribelli C. The role of microRNA in the resistance to treatment of hepatocellular carcinoma. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:577. [PMID: 31807558 DOI: 10.21037/atm.2019.09.142] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hepatocellular carcinoma (HCC) is the second most common cause of cancer-related death with a limited efficacy of treatment for intermediate and advanced stages of the disease. Several therapeutic approaches such as trans-arterial chemoembolization (TACE) with anthracyclines, cisplatin and multikinase inhibitor sorafenib have been appealing choices of treatments yet failed to reach a satisfactory outcome mainly due to the numerous mechanisms that influence patient's response. MicroRNAs (miRNAs) are key regulators of many intracellular processes related to drug resistance. This phenomenon has been linked to the modulation of several complex pathways, ranging from the loss of ability of drug accumulation, protective mechanism of autophagy, adaptive mechanism of cancer cells towards the drugs-induced environment, decrease DNA damage and suppression of downstream events that transduce its signal into apoptosis. We summarize the recent findings on the involvement of miRNAs in various drug resistance-related mechanisms in the development of resistance to anthracyclines, cisplatin and sorafenib therapies. Furthermore, we describe the possible application of miRNAs as circulating biomarkers predicting therapy response in HCC. Thus, the undeniable potential and paramount role of miRNA in drug resistance may eventually lead to improved clinical strategies and outcomes for HCC patients.
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Affiliation(s)
- Muhammad Yogi Pratama
- Fondazione Italiana Fegato, AREA Science Park Bazovizza, Trieste, Italy.,Faculty of Medicine, Universitas Hasanuddin, Makassar, Indonesia
| | - Devis Pascut
- Fondazione Italiana Fegato, AREA Science Park Bazovizza, Trieste, Italy
| | | | - Claudio Tiribelli
- Fondazione Italiana Fegato, AREA Science Park Bazovizza, Trieste, Italy
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30
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CPAP promotes angiogenesis and metastasis by enhancing STAT3 activity. Cell Death Differ 2019; 27:1259-1273. [PMID: 31511651 PMCID: PMC7206147 DOI: 10.1038/s41418-019-0413-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 08/09/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022] Open
Abstract
Centrosomal P4.1-associated protein (CPAP) is overexpressed in hepatocellular carcinoma (HCC) and positively correlated with recurrence and vascular invasion. Here, we found that CPAP plays an important role in HCC malignancies. Functional characterization indicated that CPAP overexpression increases tumor growth, angiogenesis, and metastasis ex vivo and in vivo. In addition, overexpressed CPAP contributes to sorafenib resistance. Mechanical investigation showed that the expression level of CPAP is positively correlated with activated STAT3 in HCC. CPAP acts as a transcriptional coactivator of STAT3 by directly binding with STAT3. Interrupting the interaction between CPAP and STAT3 attenuates STAT3-mediated tumor growth and angiogenesis. Overexpression of CPAP upregulates several STAT3 target genes such as IL-8 and CD44 that are involved in angiogenesis, and CPAP mRNA expression is positively correlated with the levels of both mRNAs in HCC. Knocked-down expression of CPAP impairs IL-6-mediated STAT3 activation, target gene expression, cell migration, and invasion abilities. IL-6/STAT3-mediated angiogenesis is significantly increased by CPAP overexpression and can be blocked by decreased expression of IL-8. Our findings not only shed light on the importance of CPAP in HCC malignancies, but also provide potential therapeutic strategies for inhibiting the angiogenesis pathway and treating metastatic HCC.
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31
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Role of miRNA-Regulated Cancer Stem Cells in the Pathogenesis of Human Malignancies. Cells 2019; 8:cells8080840. [PMID: 31530793 PMCID: PMC6721829 DOI: 10.3390/cells8080840] [Citation(s) in RCA: 186] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/28/2019] [Accepted: 07/31/2019] [Indexed: 12/12/2022] Open
Abstract
Recent biomedical discoveries have revolutionized the concept and understanding of carcinogenesis, a complex and multistep phenomenon which involves accretion of genetic, epigenetic, biochemical, and histological changes, with special reference to MicroRNAs (miRNAs) and cancer stem cells (CSCs). miRNAs are small noncoding molecules known to regulate expression of more than 60% of the human genes, and their aberrant expression has been associated with the pathogenesis of human cancers and the regulation of stemness features of CSCs. CSCs are the small population of cells present in human malignancies well-known for cancer resistance, relapse, tumorigenesis, and poor clinical outcome which compels the development of novel and effective therapeutic protocols for better clinical outcome. Interestingly, the role of miRNAs in maintaining and regulating the functioning of CSCs through targeting various oncogenic signaling pathways, such as Notch, wingless (WNT)/β-Catenin, janus kinases/ signal transducer and activator of transcription (JAK/STAT), phosphatidylinositol 3-kinase/ protein kinase B (PI3/AKT), and nuclear factor kappa-light-chain-enhancer of activated B (NF-kB), is critical and poses a huge challenge to cancer treatment. Based on recent findings, here, we have documented the regulatory action or the underlying mechanisms of how miRNAs affect the signaling pathways attributed to stemness features of CSCs, such as self-renewal, differentiation, epithelial to mesenchymal transition (EMT), metastasis, resistance and recurrence etc., associated with the pathogenesis of various types of human malignancies including colorectal cancer, lung cancer, breast cancer, head and neck cancer, prostate cancer, liver cancer, etc. We also shed light on the fact that the targeted attenuation of deregulated functioning of miRNA related to stemness in human carcinogenesis could be a viable approach for cancer treatment.
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32
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Chen S, Yang C, Sun C, Sun Y, Yang Z, Cheng S, Zhuge B. miR-21-5p Suppressed the Sensitivity of Hepatocellular Carcinoma Cells to Cisplatin by Targeting FASLG. DNA Cell Biol 2019; 38:865-873. [PMID: 31225740 DOI: 10.1089/dna.2018.4529] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Accumulating evidence has suggested that microRNAs play important roles in the development of hepatocellular carcinoma (HCC) and are involved in drug resistance. miR-21-5p was overexpressed in a variety of cancers and promoted the tumorigenesis; however, the function of miR-21-5p in HCC still remains unknown. In this study, our results showed that miR-21-5p was highly expressed in HCC tissues and cell lines. Notably, the level of miR-21-5p was relatively higher in cisplatin (DDP)-resistant HCC patients. Overexpression of miR-21-5p attenuated the inhibitory effect of DDP on the proliferation and apoptosis of HCC cells. Mechanistically, the luciferase report assay-identified FAS ligand (FASLG) was a direct target of miR-21-5p. Overexpression of miR-21-5p decreased both the mRNA and protein levels of FASLG in HCC cells. FASLG was downregulated in HCC tissues and was significantly negatively correlated with the expression of miR-21-5p. Restoring the expression of FASLG upregulated the chemosensitivity of HCC cells expressing miR-21-5p. In conclusion, our results demonstrated that miR-21-5p targeted FASLG and suppressed the sensitivity of HCC cells to DDP treatment.
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Affiliation(s)
- Shifeng Chen
- 1Clinical Lab, Yan-tai Yuhuangding Hospital, Yan-tai, China
| | - Chunyun Yang
- 2Clinical Lab, Laizhou Central Hospital, Laizhou, China
| | - Chengming Sun
- 1Clinical Lab, Yan-tai Yuhuangding Hospital, Yan-tai, China
| | - Yong Sun
- 3Clinical Lab, Yantai Laiyang Central Hospital, Yantai, China
| | - Zongjun Yang
- 4Clinical Lab, Qingdao Women and Children's Hospital, Qingdao, China
| | - Shaoyun Cheng
- 5Clinical Lab, The Third People's Hospital of Qingdao, Qingdao, China
| | - Baozhong Zhuge
- 6Clinical Lab, Linyi People's Hospital, Linyi City, China
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Chen X, Tan W, Li W, Li W, Zhu S, Zhong J, Shang C, Chen Y. miR-1226-3p Promotes Sorafenib Sensitivity of Hepatocellular Carcinoma via Downregulation of DUSP4 Expression. J Cancer 2019; 10:2745-2753. [PMID: 31258782 PMCID: PMC6584923 DOI: 10.7150/jca.31804] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/25/2019] [Indexed: 12/24/2022] Open
Abstract
Background: Sorafenib appears to increase the survival rate of hepatocellular carcinoma (HCC) patients, but its response rate is seriously limited due to drug resistance. Molecular mechanisms underlying sorafenib resistance are still unknown. Herein, we explored the possible role of miR-1226-3p in sorafenib resistance of HCC. Methods: The miR-1226-3p expression level in HCC cell lines was evaluated by qRT-PCR. Cell viabilities to sorafenib were measured by CCK-8 assay. Cell apoptosis and proliferation were detected by flow cytometry and EdU proliferation assay. A luciferase reporter of DUSP4 3'-UTR was used for validation as a target gene of miR-1226-3p. Finally, the effects of in vivo antitumor efficacy of miR-1226-3p combined with sorafenib were evaluated by HCC tumor xenografts in nude mice. Results: Bioinformatics analysis from Gene Expression Omnibus (GEO) datasets GSE56059 suggested that miR-1226-3p expression was downregulated in HCC patients who showed progressive disease (PD) after sorafenib treatment. SK-HEP-1 cells expressed lower levels of miR-1226-3p than HepG2 cells. We confirmed that SK-HEP-1 cells were more resistant to sorafenib compared to HepG2 cells. In addition, miR-1226-3p mimic increased cell apoptosis of SK-HEP-1 cells, whereas miR-1226-3p inhibitor significantly impaired cell apoptosis of HepG2 cells after sorafenib treatment. Moreover, we validated that miR-1226-3p directly targeted dual specificity phosphatase 4 (DUSP4), and further demonstrated that knockdown of DUSP4 reduced sorafenib resistance by regulating the JNK-Bcl-2 axis. Conclusions: miR-1226-3p promotes sorafenib sensitivity of HCC through downregulation of DUSP4 expression, and targeting miR-1226-3p may be a novel therapeutic strategy for overcoming sorafenib resistance.
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Affiliation(s)
- Xianqing Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Wenliang Tan
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Wenxin Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Wenda Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Sicong Zhu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of SICU, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jinyi Zhong
- Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Changzhen Shang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yajin Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Hepatobiliary Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
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34
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Wang ZC, Huang FZ, Xu HB, Sun JC, Wang CF. MicroRNA-137 inhibits autophagy and chemosensitizes pancreatic cancer cells by targeting ATG5. Int J Biochem Cell Biol 2019; 111:63-71. [PMID: 30710750 DOI: 10.1016/j.biocel.2019.01.020] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 12/29/2018] [Accepted: 01/29/2019] [Indexed: 12/26/2022]
Abstract
PURPOSE Autophagy play an important role in tumor chemotherapy resistance. It has been reported that miR-137 expression was reducedand involved in the regulation of sensitivity of PC cells to chemotherapy. However, little is known about the underlying molecular mechanisms. In this study, we hypothesized that miR-137 might sensitize PC cells to chemotherapy thought regulating cell autophagy. METHODS Cell survival was determined with MTT assay. Apoptotic cells were assessed with flow cytometric analysis. Fluorescence intensity of GFP-LC3 and RFP-GFP-LC3 were examined with immunofluorescence analysis to determine the autophagy and autophagic flux level. Western blotting assay was used to determine protein expression levels of LC3II/LC3I, P62, FUNDC1 and ATG5. mRNA expression level of miR-137 was detected by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Dual-luciferase reporter assay was used to evaluate the directly binding of miR-137 with its targets. Xenograft model was setup to evaluate tumor growth. RESULTS The results showed that doxorubicin (Dox) induced autophagy but downregulated the expression level of miR-137 in pancreatic cancer (PC) cells. In turn, overexpression of miR-137 enhanced the effect of Dox on decreasing cell survival, inducing cell apoptosis and inhibiting autophagy rather than influencing autophagic flux in PC cells. Further mechanistic study identified that ATG5 was a direct target of miR-137. Moreover, overexpression of ATG5 dramatically reversed the promotion of apoptosis and inhibition of autophagy mediated by higher expression level of miR-137. We also demonstrated that miR-137 sensitized PANC-1 cells to Dox through inhibiting ATG5 and autophagy in vivo. CONCLUSIONS Our findings demonstrated for the first time that miR-137 was able to promote sensitivity of PC cells to chemotherapy via inhibition of autophagy mediated by ATG5. Therefore, miR-137 may act as a potential therapeutic target for pancreatic cancer.
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Affiliation(s)
- Zhi-Chao Wang
- Department of Hepatobiliary and Pancreatic Surgery, The Third Xiangya Hospital of Central South University, Changsha, 410013, PR China
| | - Fei-Zhou Huang
- Department of Hepatobiliary and Pancreatic Surgery, The Third Xiangya Hospital of Central South University, Changsha, 410013, PR China
| | - Hong-Bo Xu
- Department of Surgery, The Third Xiangya Hospital of Central South University, Changsha 410013, PR China
| | - Ji-Chun Sun
- Department of Hepatobiliary and Pancreatic Surgery, The Third Xiangya Hospital of Central South University, Changsha, 410013, PR China
| | - Chang-Fa Wang
- Department of Hepatobiliary and Pancreatic Surgery, The Third Xiangya Hospital of Central South University, Changsha, 410013, PR China.
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35
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Sadri Nahand J, Bokharaei-Salim F, Salmaninejad A, Nesaei A, Mohajeri F, Moshtzan A, Tabibzadeh A, Karimzadeh M, Moghoofei M, Marjani A, Yaghoubi S, Keyvani H. microRNAs: Key players in virus-associated hepatocellular carcinoma. J Cell Physiol 2018; 234:12188-12225. [PMID: 30536673 DOI: 10.1002/jcp.27956] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 11/19/2018] [Indexed: 12/12/2022]
Abstract
Hepatocellular carcinoma (HCC) is known as one of the major health problems worldwide. Pathological analysis indicated that a variety of risk factors including genetical (i.e., alteration of tumor suppressors and oncogenes) and environmental factors (i.e., viruses) are involved in beginning and development of HCC. The understanding of these risk factors could guide scientists and clinicians to design effective therapeutic options in HCC treatment. Various viruses such as hepatitis B virus (HBV) and hepatitis C virus (HCV) via targeting several cellular and molecular pathways involved in HCC pathogenesis. Among various cellular and molecular targets, microRNAs (miRNAs) have appeared as key players in HCC progression. miRNAs are short noncoding RNAs which could play important roles as oncogenes or tumor suppressors in several malignancies such as HCC. Deregulation of many miRNAs (i.e., miR-222, miR-25, miR-92a, miR-1, let-7f, and miR-21) could be associated with different stages of HCC. Besides miRNAs, exosomes are other particles which are involved in HCC pathogenesis via targeting different cargos, such as DNAs, RNAs, miRNAs, and proteins. In this review, we summarize the current knowledge of the role of miRNAs and exosomes as important players in HCC pathogenesis. Moreover, we highlighted HCV- and HBV-related miRNAs which led to HCC progression.
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Affiliation(s)
- Javid Sadri Nahand
- Department of Virology, Iran University of Medical Sciences, Tehran, Iran
| | | | - Arash Salmaninejad
- Drug Applied Research Center, Student Research Committee, Tabriz University of Medical Science, Tabriz, Iran.,Department of Medical Genetics, Medical Genetics Research Center, Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abolfazl Nesaei
- Department of Basic Sciences, Faculty of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Fatemeh Mohajeri
- Department of Infectious Disease, School of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Azadeh Moshtzan
- Department of Infectious Disease, School of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Alireza Tabibzadeh
- Department of Virology, Iran University of Medical Sciences, Tehran, Iran
| | | | - Mohsen Moghoofei
- Department of Microbiology, Faculty of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Arezo Marjani
- Department of Virology, Iran University of Medical Sciences, Tehran, Iran
| | - Shoeleh Yaghoubi
- Department of Infectious Disease, School of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Hossein Keyvani
- Department of Virology, Iran University of Medical Sciences, Tehran, Iran
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36
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MiR-137 suppresses migration and invasion by targeting EZH2-STAT3 signaling in human hepatocellular carcinoma. Pathol Res Pract 2018; 214:1980-1986. [DOI: 10.1016/j.prp.2018.08.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 07/26/2018] [Accepted: 08/06/2018] [Indexed: 02/07/2023]
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37
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Corrà F, Agnoletto C, Minotti L, Baldassari F, Volinia S. The Network of Non-coding RNAs in Cancer Drug Resistance. Front Oncol 2018; 8:327. [PMID: 30211115 PMCID: PMC6123370 DOI: 10.3389/fonc.2018.00327] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 07/31/2018] [Indexed: 12/12/2022] Open
Abstract
Non-coding RNAs (ncRNAs) have been implicated in most cellular functions. The disruption of their function through somatic mutations, genomic imprinting, transcriptional and post-transcriptional regulation, plays an ever-increasing role in cancer development. ncRNAs, including notorious microRNAs, have been thus proposed to function as tumor suppressors or oncogenes, often in a context-dependent fashion. In parallel, ncRNAs with altered expression in cancer have been reported to exert a key role in determining drug sensitivity or restoring drug responsiveness in resistant cells. Acquisition of resistance to anti-cancer drugs is a major hindrance to effective chemotherapy and is one of the most important causes of relapse and mortality in cancer patients. For these reasons, non-coding RNAs have become recent focuses as prognostic agents and modifiers of chemo-sensitivity. This review starts with a brief outline of the role of most studied non-coding RNAs in cancer and then highlights the modulation of cancer drug resistance via known ncRNAs based mechanisms. We identified from literature 388 ncRNA-drugs interactions and analyzed them using an unsupervised approach. Essentially, we performed a network analysis of the non-coding RNAs with direct relations with cancer drugs. Within such a machine-learning framework we detected the most representative ncRNAs-drug associations and groups. We finally discussed the higher integration of the drug-ncRNA clusters with the goal of disentangling effectors from downstream effects and further clarify the involvement of ncRNAs in the cellular mechanisms underlying resistance to cancer treatments.
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Affiliation(s)
- Fabio Corrà
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Chiara Agnoletto
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Linda Minotti
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Federica Baldassari
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Stefano Volinia
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
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38
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Vasuri F, Visani M, Acquaviva G, Brand T, Fiorentino M, Pession A, Tallini G, D’Errico A, de Biase D. Role of microRNAs in the main molecular pathways of hepatocellular carcinoma. World J Gastroenterol 2018; 24:2647-2660. [PMID: 29991871 PMCID: PMC6034147 DOI: 10.3748/wjg.v24.i25.2647] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/18/2018] [Accepted: 06/16/2018] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common primary liver malignant neoplasia. HCC is characterized by a poor prognosis. The need to find new molecular markers for its diagnosis and prognosis has led to a progressive increase in the number of scientific studies on this topic. MicroRNAs (miRNAs) are small non-coding RNA that play a role in almost all main cellular pathways. miRNAs are involved in the regulation of expression of the major tumor-related genes in carcinogenesis, acting as oncogenes or tumor suppressor genes. The aim of this review was to identify papers published in 2017 investigating the role of miRNAs in HCC tumorigenesis. miRNAs were classified according to their role in the main molecular pathways involved in HCC tumorigenesis: (1) mTOR; (2) Wnt; (3) JAK/STAT; (4) apoptosis; and (5) MAPK. The role of miRNAs in prognosis/response prediction was taken into consideration. Bearing in mind that the analysis of miRNAs in serum and other body fluids would be crucial for clinical management, the role of circulating miRNAs in HCC patients was also investigated. The most represented miRNA-regulated pathway in HCC is mTOR, but apoptosis, Wnt, JAK/STAT or MAPK pathways are also influenced by miRNA expression levels. These miRNAs could thus be used in clinical practice as diagnostic, prognostic or therapeutic targets for HCC treatment.
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Affiliation(s)
- Francesco Vasuri
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), S.Orsola-Malpighi Hospital, University of Bologna, Bologna 40138, Italy
| | - Michela Visani
- Department of Medicine (Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale), Molecular Diagnostic Unit, Azienda USL di Bologna, University of Bologna - School of Medicine, Bologna 40138, Italy
| | - Giorgia Acquaviva
- Department of Medicine (Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale), Molecular Diagnostic Unit, Azienda USL di Bologna, University of Bologna - School of Medicine, Bologna 40138, Italy
| | - Thomas Brand
- Department of Pharmacy and Biotechnology (Dipartimento di Farmacia e Biotecnologie), University of Bologna, Bologna 40127, Italy
| | - Michelangelo Fiorentino
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), S.Orsola-Malpighi Hospital, University of Bologna, Bologna 40138, Italy
| | - Annalisa Pession
- Department of Pharmacy and Biotechnology (Dipartimento di Farmacia e Biotecnologie), Molecular Diagnostic Unit, Azienda USL di Bologna, University of Bologna, Bologna 40138, Italy
| | - Giovanni Tallini
- Department of Medicine (Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale), Molecular Diagnostic Unit, Azienda USL di Bologna, University of Bologna - School of Medicine, Bologna 40138, Italy
| | - Antonia D’Errico
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), S.Orsola-Malpighi Hospital, University of Bologna, Bologna 40138, Italy
| | - Dario de Biase
- Department of Pharmacy and Biotechnology (Dipartimento di Farmacia e Biotecnologie), Molecular Diagnostic Unit, Azienda USL di Bologna, University of Bologna, Bologna 40138, Italy
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Zhao J, Fu Y, Wu J, Li J, Huang G, Qin L. The Diverse Mechanisms of miRNAs and lncRNAs in the Maintenance of Liver Cancer Stem Cells. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8686027. [PMID: 29888282 PMCID: PMC5977062 DOI: 10.1155/2018/8686027] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 04/03/2018] [Indexed: 12/26/2022]
Abstract
Liver cancer is the second leading cause of cancer-related death worldwide. The high frequency of recurrence and metastasis is the main reason for poor prognosis. Liver cancer stem cells (CSCs) have unlimited self-renewal, differentiation, and tumor-regenerating capacities. The maintenance of CSCs may account for the refractory features of liver cancer. Despite extensive investigations, the underlying regulatory mechanisms of liver CSCs remain elusive. miRNA and lncRNA, two major classes of the ncRNA family, can exert important roles in various biological processes, and their diverse regulatory mechanisms in CSC maintenance have acquired increasing attention. However, to the best of our knowledge, there is a lack of reviews summarizing these findings. Therefore, we systematically recapitulated the latest studies on miRNAs and lncRNAs in sustaining liver CSCs. Moreover, we highlighted the potential clinical application of these dysregulated ncRNAs as novel diagnostic and prognostic biomarkers and therapeutic targets. This review not only sheds new light to fully understand liver CSCs but also provides valuable clues on targeting ncRNAs to block or eradicate CSCs in cancer treatment.
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Affiliation(s)
- Jing Zhao
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
- Cancer Metastasis Institute, Fudan University, Shanghai 200040, China
| | - Yan Fu
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jing Wu
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Juan Li
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Guangjian Huang
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Lunxiu Qin
- Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
- Cancer Metastasis Institute, Fudan University, Shanghai 200040, China
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40
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Kanthaje S, Makol A, Chakraborti A. Sorafenib response in hepatocellular carcinoma: MicroRNAs as tuning forks. Hepatol Res 2018; 48:5-14. [PMID: 29055114 DOI: 10.1111/hepr.12991] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/08/2017] [Accepted: 10/17/2017] [Indexed: 12/17/2022]
Abstract
Hepatocellular carcinoma (HCC) is the primary liver malignancy that contributes towards the second most common cause of cancer-related mortality. The targeted chemotherapeutic agent, sorafenib, is known to show a statistically significant but limited overall survival advantage in advanced HCC. However, the individual patient response towards sorafenib varies drastically, with most experiencing stable disease and few with partial response; complete response is very rare. Progressive disease despite the treatment is also evident in many patients, indicating drug resistance. These varied responses have been linked with the modulation of several intracellular signaling pathways. Notably, the regulation of these pathways through diverse operating biomolecules, including microRNAs (miRNAs), is the focus of recent studies. MicroRNAs are tiny, non-coding RNA molecules that regulate the expression of several target genes. In addition, miRNAs are known to play a role in the progression of HCC carcinogenesis. Interestingly, miRNAs have also been identified to play differential roles in terms of sorafenib response in HCC such as biomarkers and functional modulation of cellular response to sorafenib, hence, they are also being therapeutically evaluated. This review outlines the role of reported miRNAs in different aspects of sorafenib response in HCC.
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Affiliation(s)
- Shruthi Kanthaje
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ankita Makol
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Anuradha Chakraborti
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Gao L, Dai C, Feng Z, Zhang L, Zhang Z. MiR-137 inhibited inflammatory response and apoptosis after spinal cord injury via targeting of MK2. J Cell Biochem 2017; 119:3280-3292. [PMID: 29125882 DOI: 10.1002/jcb.26489] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 11/09/2017] [Indexed: 12/29/2022]
Abstract
Spinal cord injuries are common and troublesome disorder, which is mediated by various signal pathways and mechanisms. MK2 is also involved in numerous inflammatory diseases including spinal cord injury. The role of microRNA-137 (miR-137) and its detailed working mechanism in spinal cord injuries remain unclear. In the present study, we found that an elevated MK2 but a decreased miR-137 was expressed in serum specimens of patients with spinal cord injury and in hydrogen peroxide-treated C8-D1A and C8-B4 cells. Meanwhile, we suggested that upregulation of miR-137 could inhibit the expression of TNF-α and IL-6, two markers of inflammatory response after SCI, and apoptosis in hydrogen peroxide-treated C8-D1A and C8-B4 cells. Furthermore, we verified that MK2 was a direct target of miR-137 thorough a constructed luciferase assay. Even further, we elucidated that miR-137 could suppress the inflammatory response and apoptosis via negative regulation of MK2. Finally, through an animal model trial performed using mice, we demonstrated the protective effect of how miR-137 works on inflammatory response and apoptosis after spinal cord injury. Considering all the forementioned, our findings revealed that miR-137 inhibited inflammatory response and apoptosis after spinal cord injury via the targeting of MK2. The outcomes of the present study might indicate a new target in molecular treatment of SCI.
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Affiliation(s)
- Lin Gao
- Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Chenfei Dai
- Department of Orthopedics, The Eleventh People's Hospital of Shenyang, Shenyang, P.R. China
| | - Zhiping Feng
- Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Lixin Zhang
- Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, P.R. China
| | - Zhiqiang Zhang
- Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, P.R. China
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