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Zhuang C, Zhao J, Zhang S, Shahid M. Escherichia coli infection mediates pyroptosis via activating p53-p21 pathway-regulated apoptosis and cell cycle arrest in bovine mammary epithelial cells. Microb Pathog 2023; 184:106338. [PMID: 37683833 DOI: 10.1016/j.micpath.2023.106338] [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: 08/07/2023] [Revised: 09/05/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Escherichia coli (E. coli) is a major environmental pathogen that causes mammary tissue damage and cell death, which results in substantial economic losses. Pyroptosis, a novel form of programmed cell death characterized by DNA fragmentation, chromatin condensation, cell swelling and leakage of cell contents, often occurs after inflammatory apoptotic pathways activation. Our objective was to investigate the intraction between E. coli infection and bovine mammary epithelial cells (bMECs) with pyroptosis and to explore the underlying regulatory mechanism. bMECs were infected with E. coli for 6 h. Lactic dehydrogenase activities, interleukin (IL)-10, IL-1β, IL-18 and tumor necrosis factor-α concentrations, total apoptosis indexes, and protein expressions of P-cdc25c, P-CDK1, cleaved caspase 9, cleaved caspase 3, cleaved PARP, P-NF-κB, NLRP3, ASC, caspase 1, gasdermin D N-terminal, IL-1β and IL-18 were significantly increased in E. coli infected bMECs. Whereas, cell membrane potential, protein levels of cdc25c, CDK1, cyclin B1, and Bcl-2/Bax level were markedly reduced. Furthermore, Ac-DEVD-CHO (specific inhibitor of apoptosis) dramatically suppressed pyroptosis in bMECs. Moreover, expressions of p53 and p21 promptly improved after E. coli infection, however, Pifithrin-α (specific inhibitor of p53) inhibited p53-p21 pathway, apoptosis, cell cycle arrest and pyroptosis. These results elaborated that E. coli infection of bMECs induced pyroptosis through activating the p53-p21 pathway-mediated apoptosis and cell cycle arrest. Taken together, inhibition of pyroptosis via suppressing of p53-p21 pathway may be an effective therapeutic approach for treating E. coli-induced mastitis, offering efficient theoretical support for the protection and treatment of bovine mastitis.
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Affiliation(s)
- Cuicui Zhuang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China.
| | - Jinhui Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, PR China
| | - Shiyao Zhang
- China Agricultural Science and Technology Press Ltd, Beijing, 100081, PR China
| | - Muhammad Shahid
- Center of Microbiology and Biotechnology, Veterinary Research Institute, Khyber Pakhtunkhwa, Peshawar, 25000, Pakistan
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2
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Zhuo Y, Huang X, Lin NL, Yu FQ, Chen YX, Guan MH, Yi WQ, Lai FC. SiO 2/hyaluronic acid nanoparticles carry CaO 2, DOX and p53 plasmid to effectively achieve ion interference/chemical/gene multimodal therapy of lung cancer. Biomater Sci 2023. [PMID: 37140070 DOI: 10.1039/d2bm02075k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Monotherapy of lung cancer shows limited therapeutic effects due to its poorly targeted enrichment and low bioavailability. Using nanomaterials as carriers to form drug delivery systems has become a popular method to improve the targeting of anticancer drug therapy and patients' safety. However, the uniformity of the loaded drugs and the unsatisfactory effects are still the bottleneck in this field up to now. This study aims to construct a novel nanocomposite carrying 3 different types of anticancer drugs to enhance treatment efficacy. Herein, mesoporous silica (MSN) with high loading rate was constructed by dilute sulfuric acid thermal etching as the framework. Hyaluronic acid (HA) was loaded with CaO2, p53 and DOX to construct nanoparticle complexes-SiO2@CaO2@DOX@P53-HA. First, MSN was proved to be a porous sorbent with a mesoporous structure through BET analysis. The images obtained from the uptake experiment clearly show the gradual enrichment of the DOX and Ca2+ within the target cell. For in vitro experiments, the pro-apoptotic effects of SiO2@CaO2@DOX@P53-HA significantly increased compared to that of the single-agent group at different time points. Furthermore, in the tumor-bearing mouse experiment, the tumor volume was remarkably inhibited in the SiO2@CaO2@DOX@P53-HA group compared to that in the single-agent group. By observing the pathological sections of the euthanized mice, it is obvious that the tissues of the mice treated with the nanoparticles were more intact. Based on these beneficial results, it is believed that multimodal therapy is a meaningful treatment strategy for lung cancer.
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Affiliation(s)
- Yi Zhuo
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
| | - Xuan Huang
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
| | - Nan-Long Lin
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
| | - Feng-Qiang Yu
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
| | - Yan-Xun Chen
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
- Department of Thoracic Surgery, Quangang District Hospital, Quanzhou 362100, China
| | - Mao-Hao Guan
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
| | - Wei-Qiang Yi
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
| | - Fan-Cai Lai
- Department of Thoracic Surgery, the First Affiliated Hospital, Fujian Medical University, Fuzhou 350005, China.
- Department of Thoracic Surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China
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3
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The Strong Anti-Tumor Effect of Smp24 in Lung Adenocarcinoma A549 Cells Depends on Its Induction of Mitochondrial Dysfunctions and ROS Accumulation. Toxins (Basel) 2022; 14:toxins14090590. [PMID: 36136528 PMCID: PMC9502404 DOI: 10.3390/toxins14090590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/16/2022] [Accepted: 08/25/2022] [Indexed: 12/14/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) is the leading cause of death in lung cancer due to its aggressiveness and rapid migration. The potent antitumor effect of Smp24, an antimicrobial peptide derived from Egyptian scorpion Scorpio maurus palmatus via damaging the membrane and cytoskeleton have been reported earlier. However, its effects on mitochondrial functions and ROS accumulation in human lung cancer cells remain unknown. In the current study, we discovered that Smp24 can interact with the cell membrane and be internalized into A549 cells via endocytosis, followed by targeting mitochondria and affect mitochondrial function, which significantly causes ROS overproduction, altering mitochondrial membrane potential and the expression of cell cycle distribution-related proteins, mitochondrial apoptotic pathway, MAPK, as well as PI3K/Akt/mTOR/FAK signaling pathways. In summary, the antitumor effect of Smp24 against A549 cells is related to the induction of apoptosis, autophagy plus cell cycle arrest via mitochondrial dysfunction, and ROS accumulation. Accordingly, our findings shed light on the anticancer mechanism of Smp24, which may contribute to its further development as a potential agent in the treatment of lung cancer cells.
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4
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In Vitro Growth Inhibition, Caspase-Dependent Apoptosis, and S and G2/M Phase Arrest in Breast Cancer Cells Induced by Fluorine-Incorporated Gold I Compound, Ph3PAu[SC(OMe)=NC6H4F-3]. Int J Breast Cancer 2022; 2022:7168210. [PMID: 35910309 PMCID: PMC9334116 DOI: 10.1155/2022/7168210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 05/11/2022] [Indexed: 11/18/2022] Open
Abstract
Gold-based anticancer compounds have been attracting increasing research interest due to their ability to kill cancer cells resistant to platinum-based compounds. Gold I- and gold III-based complexes have shown satisfactory anticancer activities. In this study, two new fluorine-incorporated gold (I) compounds such as Ph3PAu[SC(OMe)=NC6H4F-3] and DPPFeAu2[(SC(OMe)=NC6H4F-3)]2 were evaluated for their in vitro activities against human breast cancer cell lines, primary breast cancer cells, and breast cancer stem cells (parental breast cancer stem cells, BCSC-P, and breast cancer stem cells, BCSC). Assays for growth inhibition and cytotoxicity, including real-time cell analysis, were carried out to screen effective antibreast cancer compounds. In addition, further in vitro assays such as apoptosis, caspase 3/7 activity, and cell cycle analysis were performed to observe the action and mechanism of killing breast cancer cells by the selected gold I compound, Ph3PAu[SC(OMe)=NC6H4F-3]. The gold (I) compound, Ph3PAu[SC(OMe)=NC6H4F-3], showed low toxicity to H9c2 normal cells and significant growth inhibition in MDA-MB-231 and MCF-7 cells, primary breast cancer cells, and breast cancer stem cells (BCSC-P and BCSC). The IC50 doses of the gold (I) compound Ph3PAu[SC(OMe)=NC6H4F-3] against the breast cancer cell lines MDA-MB-231 and MCF-7 were approximately 6-fold lower than that of cisplatin (cis-diamineplatinum (II) dichloride, CDDP). Moreover, the compound Ph3PAu[SC(OMe)=NC6H4F-3] induced caspase 3/7-dependent apoptosis and cell cycle arrest at S and G2/M phases. Ph3PAu[SC(OMe)=NC6H4F-3], a gold (I) compound incorporated with fluorine, is a potential candidate for the treatment of breast cancer.
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5
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Park D. Fenbendazole Suppresses Growth and Induces Apoptosis of Actively Growing H4IIE Hepatocellular Carcinoma Cells via p21-Mediated Cell-Cycle Arrest. Biol Pharm Bull 2022; 45:184-193. [PMID: 35110505 DOI: 10.1248/bpb.b21-00697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Bendimidazole anthelmintics (BAs) have gained interest for their anticancer activity. The anticancer activity is mediated via multiple intracellular changes, which are not consistent under different conditions even in the same cells. We investigated the anticancer activity of fenbendazole (FZ, one of BAs) under two different growth conditions. The growth rate of H4IIE cells was dose-dependently decreased by FZ only in actively growing cells but not in fully confluent quiescent cells. Apoptosis-associated changes were also induced by FZ in actively growing cells. Markers of autophagy were not changed by FZ. The number of cells was markedly increased in sub-G1 phase but decreased in S- and G2/M phases by FZ. FZ up-regulated p21 (an inhibitor of cyclin-CDK) but suppressed the expression of cell cycle-promoting proteins (cyclin D1 and cyclin B1). FZ did not affect integrin αV or n-cadherin expression as well as cell migration. Glycolytic changes (glucose consumption and lactate production) and the generation of reactive oxygen species (ROS) were not affected by FZ. Although the activity of mitogen-activated protein kinases (MAPKs) was altered by FZ, the inhibition of MAPKs did not affect the pro-apoptotic activity of FZ. Taken together, FZ selectively suppressed the growth of cells via p21-mediated cell cycle arrest at G1/S and G2/M, and resulted in apoptosis only in actively growing cells but not in quiescent cells. Glucose metabolism, ROS generation, and MAPKs are unlikely targets of FZ at least in H4IIE rat hepatocellular carcinoma cells used in this study.
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Affiliation(s)
- Deokbae Park
- Department of Histology, School of Medicine, Institute of Medical Science, Jeju National University
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6
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Wu Z, Xia C, Zhang C, Tang D, Liu F, Ou Y, Gao J, Yi H, Yang D, Ma K. Adeno-associated virus-delivered alpha synuclein inhibits bladder cancer growth via the p53/p21 signaling pathway. Cancer Gene Ther 2022; 29:1193-1206. [PMID: 35064206 DOI: 10.1038/s41417-022-00425-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 10/18/2021] [Accepted: 12/15/2021] [Indexed: 11/09/2022]
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7
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Chai J, Yang W, Gao Y, Guo R, Peng Q, Abdel-Rahman MA, Xu X. Antitumor Effects of Scorpion Peptide Smp43 through Mitochondrial Dysfunction and Membrane Disruption on Hepatocellular Carcinoma. JOURNAL OF NATURAL PRODUCTS 2021; 84:3147-3160. [PMID: 34866381 DOI: 10.1021/acs.jnatprod.1c00963] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Smp43, a cationic antimicrobial peptide identified from the venom gland of the Egyptian scorpion Scorpio maurus palmatus, shows cytotoxicity toward hepatoma cell line HepG2 by membrane disruption. However, its underlying detailed mechanisms still remain to be further clarified. In the present study, we evaluated the cellular internalization of Smp43 and explored its effects on cell viability, cell cycle, apoptosis, autophagy, necrosis, and factor expression related to these cellular processes in human HepG2. Smp43 was found to suppress the growth of HepG2, Huh7, and human primary hepatocellular carcinoma cells while showing low toxicity to normal LO2 cells. Furthermore, Smp43 could interact with the cell membrane and be internalized into HepG2 cells via endocytosis and pore formation, which caused a ROS production increase, mitochondrial membrane potential decline, cytoskeleton disorganization, dysregulation of cyclin expression, mitochondrial apoptotic pathway activation, and alteration of MAPK as well as PI3K/Akt/mTOR signaling pathways. Finally, Smp43 showed effective antitumor protection in the HepG2 xenograft mice model. Overall, these findings indicate that Smp43 significantly exerts antitumor effects via induction of apoptosis, autophagy, necrosis, and cell cycle arrest due to its induction of mitochondrial dysfunction and membrane disruption. This discovery will extend the antitumor mechanisms of antimicrobial peptides and contribute to the development of antitumor agents against hepatocellular carcinoma.
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Affiliation(s)
- Jinwei Chai
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Wanren Yang
- General Surgery Center, Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yahua Gao
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ruiyin Guo
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Qing Peng
- General Surgery Center, Department of Hepatobiliary Surgery II, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | | | - Xueqing Xu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
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8
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Siri M, Behrouj H, Dastghaib S, Zamani M, Likus W, Rezaie S, Hudecki J, Khazayel S, Łos MJ, Mokarram P, Ghavami S. Casein Kinase-1-Alpha Inhibitor (D4476) Sensitizes Microsatellite Instable Colorectal Cancer Cells to 5-Fluorouracil via Authophagy Flux Inhibition. Arch Immunol Ther Exp (Warsz) 2021; 69:26. [PMID: 34536148 PMCID: PMC8449776 DOI: 10.1007/s00005-021-00629-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023]
Abstract
Adjuvant chemotherapy with 5-fluorouracil (5-FU) does not improve survival of patients suffering from a form of colorectal cancer (CRC) characterized by high level of microsatellite instability (MSI-H). Given the importance of autophagy and multi-drug-resistant (MDR) proteins in chemotherapy resistance, as well as the role of casein kinase 1-alpha (CK1α) in the regulation of autophagy, we tested the combined effect of 5-FU and CK1α inhibitor (D4476) on HCT116 cells as a model of MSI-H colorectal cancer. To achieve this goal, the gene expression of Beclin1 and MDR genes, ABCG2 and ABCC3 were analyzed using quantitative real-time polymerase chain reaction. We used immunoblotting to measure autophagy flux (LC3, p62) and flow cytometry to detect apoptosis. Our findings showed that combination treatment with 5-FU and D4476 inhibited autophagy flux. Moreover, 5-FU and D4476 combination therapy induced G2, S and G1 phase arrests and it depleted mRNA of both cell proliferation-related genes and MDR-related genes (ABCG2, cyclin D1 and c-myc). Hence, our data indicates that targeting of CK1α may increase the sensitivity of HCT116 cells to 5-FU. To our knowledge, this is the first description of sensitization of CRC cells to 5-FU chemotherapy by CK1α inhibitor.
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Affiliation(s)
- Morvarid Siri
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, P.O Box: 1167, Shiraz, Iran
| | - Hamid Behrouj
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, P.O Box: 1167, Shiraz, Iran
| | - Sanaz Dastghaib
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, P.O Box: 1167, Shiraz, Iran
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mozhdeh Zamani
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Wirginia Likus
- Department of Anatomy, School of Health Science in Katowice, Medical University of Silesia, ul. Medyków 18, 40-762, Katowice, Poland
| | - Sedigheh Rezaie
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, P.O Box: 1167, Shiraz, Iran
| | - Jacek Hudecki
- Laryngology Department, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
| | - Saeed Khazayel
- Department of Research and Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Marek J Łos
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pathology, Unii Lubelskiej 1, Pomeranian Medical University, 71-344, Szczecin, Poland.
| | - Pooneh Mokarram
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, P.O Box: 1167, Shiraz, Iran.
| | - Saeid Ghavami
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Research Institute of Oncology and Hematology, Cancer Care Manitoba, University of Manitoba, Winnipeg, Canada.
- Faculty of Medicine, Katowice School of Technology, Katowice, Poland.
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada.
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9
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Czauderna C, Poplawski A, O Rourke CJ, Castven D, Pérez-Aguilar B, Becker D, Heilmann-Heimbach S, Odenthal M, Amer W, Schmiel M, Drebber U, Binder H, Ridder DA, Schindeldecker M, Straub BK, Galle PR, Andersen JB, Thorgeirsson SS, Park YN, Marquardt JU. Epigenetic modifications precede molecular alterations and drive human hepatocarcinogenesis. JCI Insight 2021; 6:e146196. [PMID: 34375307 PMCID: PMC8492348 DOI: 10.1172/jci.insight.146196] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 07/22/2021] [Indexed: 12/24/2022] Open
Abstract
Development of primary liver cancer is a multi-stage process. Detailed understanding of sequential epigenetic alterations is largely missing. Here, we performed Infinium Human Methylation 450k BeadChips and RNA sequencing analyses for genome-wide methylome and transcriptome profiling of cirrhotic liver (n=7), low- (n=4) and high-grade (n=9) dysplastic lesions, early (n=5) and progressed (n=3) hepatocellular carcinomas (HCC) synchronously detected in eight HCC patients with chronic hepatitis B infection. Integrative analyses of epigenetically driven molecular changes were identified and validated in two independent cohorts comprising 887 HCC. Mitochondrial DNA sequencing was further employed for clonality analyses and indicates multi-clonal origin in the majority of investigated HCC. Alterations in DNA methylation progressively increased from CL to dysplastic lesions and reached a maximum in early HCC. Associated early alterations identified by IPA pathway analyses involved apoptosis, immune regulation and stemness pathways, while late changes centered on cell survival, proliferation and invasion. We further validated putative 23 epi-drivers with concomitant expression changes and associated with overall survival. Functionally, Striatin 4 (STRN4) was demonstrated to be epigenetically regulated and inhibition of STRN4 significantly suppressed tumorigenicity of HCC cell lines.Overall, application of integrative genomic analyses defines epigenetic driver alterations and provides promising targets for novel therapeutic approaches.
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Affiliation(s)
- Carolin Czauderna
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | - Alicia Poplawski
- Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), Johannes Gutenberg University, Mainz, Germany
| | - Colm J O Rourke
- Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Darko Castven
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | | | - Diana Becker
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | | | | | - Wafa Amer
- Institute of Pathology, University of Cologne, Cologne, Germany
| | - Marcel Schmiel
- Institute of Pathology, University of Cologne, Cologne, Germany
| | - Uta Drebber
- Institute of Pathology, University of Cologne, Cologne, Germany
| | - Harald Binder
- Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Dirk A Ridder
- Department of Pathology, University Medical Center Mainz, Mainz, Germany
| | | | - Beate K Straub
- Department of Pathology, University Medical Center Mainz, Mainz, Germany
| | - Peter R Galle
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
| | - Jesper B Andersen
- Department of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Snorri S Thorgeirsson
- Laboratory of Experimental Carcinogenesis (LEC), National Cancer Institute, NIH, Bethesda, United States of America
| | - Young Nyun Park
- Department of Pathology, Yonsei University, Seoul, Korea, Republic of
| | - Jens U Marquardt
- Department of Medicine I, University Medical Center Mainz, Mainz, Germany
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10
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Pterostilbene Suppresses both Cancer Cells and Cancer Stem-Like Cells in Cervical Cancer with Superior Bioavailability to Resveratrol. Molecules 2020; 25:molecules25010228. [PMID: 31935877 PMCID: PMC6982958 DOI: 10.3390/molecules25010228] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 12/25/2019] [Accepted: 01/04/2020] [Indexed: 12/27/2022] Open
Abstract
Increasing studies have reported that cancer stem cells (CSCs) play critical roles in therapeutic resistance, recurrence, and metastasis of tumors, including cervical cancer. Pterostilbene, a dimethylated derivative of resveratrol, is a plant polyphenol compound with potential chemopreventive activity. However, the therapeutic effect of pterostilbene against cervical CSCs remains unclear. In this study, we compared the anticancer effects of resveratrol and pterostilbene using both HeLa cervical cancer adherent and stem-like cells. Pterostilbene more effectively inhibited the growth and clonogenic survival, as well as metastatic ability of HeLa adherent cells than those of resveratrol. Moreover, the superior inhibitory effects of pterostilbene compared to resveratrol were associated with the enhanced activation of multiple mechanisms, including cell cycle arrest at S and G2/M phases, induction of ROS-mediated caspase-dependent apoptosis, and inhibition of matrix metalloproteinase (MMP)-2/-9 expression. Notably, pterostilbene exhibited a greater inhibitory effect on the tumorsphere-forming and migration abilities of HeLa cancer stem-like cells compared to resveratrol. This greater effect was achieved through more potent inhibition of the expression levels of stemness markers, such as CD133, Oct4, Sox2, and Nanog, as well as signal transducer and activator of transcription 3 signaling. These results suggest that pterostilbene might be a potential anticancer agent targeting both cancer cells and cancer stem-like cells of cervical cancer via the superior bioavailability to resveratrol.
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11
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Chen SL, Liu LL, Wang CH, Lu SX, Yang X, He YF, Zhang CZ, Yun JP. Loss of RDM1 enhances hepatocellular carcinoma progression via p53 and Ras/Raf/ERK pathways. Mol Oncol 2019; 14:373-386. [PMID: 31670863 PMCID: PMC6998392 DOI: 10.1002/1878-0261.12593] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 09/20/2019] [Accepted: 10/29/2019] [Indexed: 12/12/2022] Open
Abstract
Hepatocellular carcinoma (HCC), with its ineffective therapeutic options and poor prognosis, represents a global threat. In the present study, we show that RAD52 motif 1 (RDM1), a key regulator of DNA double‐strand break repair and recombination, is downregulated in HCC tissues and suppresses tumor growth. In clinical HCC samples, low expression of RDM1 correlates with larger tumor size, poor tumor differentiation, and unfavorable survival. In vitro and in vivo data demonstrate that knockdown of RDM1 increases HCC cell proliferation, colony formation, and cell population at G2/M phase, whereas RDM1 overexpression results in the opposite phenotypes. Mechanistically, RDM1 binds to the tumor suppressor p53 and enhances its protein stability. In the presence of p53, RDM1 suppresses the phosphorylation of Raf and ERK. Overexpression of p53 or treatment with ERK inhibitor significantly abolishes cell proliferation induced by the depletion of RDM1. In addition, overexpression of methyltransferase‐like 3 markedly induces N6‐methyladenosine modification of RDM1 mRNA and represses its expression. Taken together, our study indicates that RDM1 functions as a tumor suppressor and may be a potential prognostic and therapeutic factor for HCC.
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Affiliation(s)
- Shi-Lu Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Li-Li Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Chun-Hua Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Shi-Xun Lu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xia Yang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yang-Fan He
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Chris Zhiyi Zhang
- Key Laboratory of Functional Protein Research of Guangdong Higher Education Institutes, Institute of Life and Health Engineering, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Jing-Ping Yun
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou, China
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12
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Shen S, Dean DC, Yu Z, Duan Z. Role of cyclin-dependent kinases (CDKs) in hepatocellular carcinoma: Therapeutic potential of targeting the CDK signaling pathway. Hepatol Res 2019; 49:1097-1108. [PMID: 31009153 DOI: 10.1111/hepr.13353] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 02/23/2019] [Accepted: 03/28/2019] [Indexed: 12/12/2022]
Abstract
Liver cancer is the fourth leading cause of cancer related mortality in the world, with hepatocellular carcinoma (HCC) representing the most common primary subtype. Two-thirds of HCC patients have advanced disease when diagnosed, and for these patients, treatment strategies remain limited. In addition, there is a high incidence of tumor recurrence after surgical resection with the current treatment regimens. The development of novel and more effective agents is required. Cyclin-dependent kinases (CDKs) constitute a family of 21 different protein kinases involved in regulating cell proliferation, apoptosis, and drug resistance, and are evaluated in preclinical and clinical trials as chemotherapeutics. To summarize and discuss the therapeutic potential of targeting CDKs in HCC, recent published articles identified from PubMed were comprehensively reviewed. The key words included hepatocellular carcinoma, cyclin-dependent kinases, and CDK inhibitors. This review focuses on the emerging evidence from studies describing the genetic and functional aspects of CDKs in HCC. We also present an overview of CDK inhibitors that have shown efficacy in laboratory studies of HCC. Although many of the studies assessing CDK-targeting therapies in HCC are at the preclinical stage, there is significant evidence that CDK inhibitors used alone or in combination with established chemotherapy drugs could have significant applications in HCC.
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Affiliation(s)
- Shen Shen
- Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Sarcoma Biology Laboratory, Department of Orthopedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, USA
| | - Dylan C Dean
- Sarcoma Biology Laboratory, Department of Orthopedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, USA
| | - Zujiang Yu
- Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhenfeng Duan
- Precision Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Sarcoma Biology Laboratory, Department of Orthopedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, USA
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13
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van Jaarsveld MTM, Deng D, Wiemer EAC, Zi Z. Tissue-Specific Chk1 Activation Determines Apoptosis by Regulating the Balance of p53 and p21. iScience 2019; 12:27-40. [PMID: 30665195 PMCID: PMC6348202 DOI: 10.1016/j.isci.2019.01.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/16/2018] [Accepted: 12/31/2018] [Indexed: 12/11/2022] Open
Abstract
The DNA damage response (DDR) protects cells against genomic instability. Surprisingly, little is known about the differences in DDR across tissues, which may affect cancer evolutionary trajectories and chemotherapy response. Using mathematical modeling and quantitative experiments, we found that the DDR is regulated differently in human breast and lung primary cells. Equal levels of cisplatin-DNA lesions caused stronger Chk1 activation in lung cells, leading to resistance. In contrast, breast cells were more resistant and showed more Chk2 activation in response to doxorubicin. Further analyses indicate that Chk1 activity played a regulatory role in p53 phosphorylation, whereas Chk2 activity was essential for p53 activation and p21 expression. We propose a novel “friction model,” in which the balance of p53 and p21 levels contributes to the apoptotic response in different tissues. Our results suggest that modulating the balance of p53 and p21 dynamics could optimize the response to chemotherapy. Breast and lung cells show different sensitivities to chemotherapeutic drugs Lung cells activate Chk1 more strongly than breast cells with chemotherapeutic drugs Active Chk1 plays a regulatory role in p53 activation and apoptosis responses The balance of p53 and p21 dynamics drives the apoptosis response to DNA damage
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Affiliation(s)
- Marijn T M van Jaarsveld
- Max Planck Institute for Molecular Genetics, Otto Warburg Laboratory, Ihnestr. 63-73, 14195 Berlin, Germany
| | - Difan Deng
- Max Planck Institute for Molecular Genetics, Otto Warburg Laboratory, Ihnestr. 63-73, 14195 Berlin, Germany
| | - Erik A C Wiemer
- Erasmus University Medical Center, Erasmus MC Cancer Institute, Department of Medical Oncology, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands
| | - Zhike Zi
- Max Planck Institute for Molecular Genetics, Otto Warburg Laboratory, Ihnestr. 63-73, 14195 Berlin, Germany.
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14
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Moringa peregrina Leaves Extracts Induce Apoptosis and Cell Cycle Arrest of Hepatocellular Carcinoma. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2698570. [PMID: 30713850 PMCID: PMC6332967 DOI: 10.1155/2019/2698570] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 12/06/2018] [Accepted: 12/17/2018] [Indexed: 11/18/2022]
Abstract
Moringa grows in the tropical and subtropical regions of the world. The genus Moringa belongs to family Moringaceae. It is found to possess various medicinal uses including hypoglycemic, analgesic, anti-inflammatory, hypolipidemic, and antioxidant activities. In this study, we investigated the antimicrobial and the anticancer activity of the Moringa peregrina as well as Moringa oleifera leaves extracts grown locally in Egypt. Results indicated that most of the extracts were found to possess high antimicrobial activity against gram-positive bacteria, gram-negative bacteria, and fungus. The survival rate of cancer cells was decreased in both hepatocellular carcinoma (HepG2) and breast carcinoma (MCF-7) cell lines when treated with Moringa leaves extracts. In addition, the cell cycle progression, apoptosis, and cancer-related genes confirmed its anticancer effect. The toxicity of each extract was also tested using the normal melanocytes cell line HFB4. The toxicity was low in both Moringa peregrina and Moringa oleifera leaves extracts. Furthermore, GC/MS analysis fractionized the phytochemicals content for each potential extract. In conclusion, results suggested that the Moringa peregrina and Moringa oleifera leaves extracts possess antimicrobial and anticancer properties which could be attributed to the bioactive phytochemical compounds present inside the extracts from this plant. These findings can be used to develop new drugs, especially for liver cancer chemotherapy.
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15
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Zhao Z, Li J, Ding XN, Zhou L, Sun DG. ADAM28 dramatically regulates the biological features of human gingival fibroblasts. Odontology 2018; 107:333-341. [PMID: 30552542 DOI: 10.1007/s10266-018-0403-0] [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: 05/20/2018] [Accepted: 11/25/2018] [Indexed: 11/29/2022]
Abstract
This study was to explore the effects of a disintegrin and metalloproteinase 28 (ADAM28) on the proliferation, differentiation, and apoptosis of human gingival fibroblasts (HGFs) and probable mechanism. After ADAM28 antisense oligodeoxynucleotide (AS-ODN) and sense oligodeoxynucleotide (S-ODN) were transfected into HGFs by Lipofectamine 2000, respectively, the expression discrepancies of ADAM28 among various groups were evaluated by reverse transcription-polymerase chain reaction (RT-PCR) and Western-blotting. Methabenzthiazuron (MTT) and cell-cycle assays were used to test the HGFs proliferation activity. Annexin V fluorescein isothiocyanate (FITC)/propidium iodide (PI) and alkaline phosphatase (ALP) analysis were performed separately to measure apoptosis and the cytodifferentiation standard. Immunocytochemistry and Western-blotting were carried out to determine the influence of ADAM28 AS-ODN on HGFs expressing core binding factor α1 (Cbfα1), cementum protein 1 (CEMP1), osteopontin (OPN) and dentin matrix protein 1 (DMP1). The AS-ODN group displayed the lowest expression level in HGFs, meanwhile the ADAM28 S-ODN group showed the highest. Furthermore, blocking of ADAM28 could inhibit the proliferation of HGFs, enhance HGFs differentiation and induce apoptosis of HGFs. Whereas, overexpression of ADAM28 generated the opposite effects and inhibited apoptosis. ADAM28 AS-ODN was able to notably suppress the expressions of Cbfα1 and CEMP1, and ADAM28 had positive correlations with cbfα1 and CEMP1. These provided conspicuous evidence that ADAM28 may play a crucial role in root development as a potential regulator of growth, differentiation, and apoptosis of HGFs.
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Affiliation(s)
- Zheng Zhao
- Qingdao Stomatological Hospital, No.17 De-xian Road, Qingdao, 266000, Shandong, People's Republic of China.
| | - Jie Li
- Qingdao Stomatological Hospital, No.17 De-xian Road, Qingdao, 266000, Shandong, People's Republic of China
| | - Xiu-Na Ding
- Qingdao Stomatological Hospital, No.17 De-xian Road, Qingdao, 266000, Shandong, People's Republic of China
| | - Lei Zhou
- Qingdao Stomatological Hospital, No.17 De-xian Road, Qingdao, 266000, Shandong, People's Republic of China
| | - De-Gang Sun
- Qingdao Stomatological Hospital, No.17 De-xian Road, Qingdao, 266000, Shandong, People's Republic of China
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16
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Al-Hrout A, Chaiboonchoe A, Khraiwesh B, Murali C, Baig B, El-Awady R, Tarazi H, Alzahmi A, Nelson DR, Greish YE, Ramadan W, Salehi-Ashtiani K, Amin A. Safranal induces DNA double-strand breakage and ER-stress-mediated cell death in hepatocellular carcinoma cells. Sci Rep 2018; 8:16951. [PMID: 30446676 PMCID: PMC6240095 DOI: 10.1038/s41598-018-34855-0] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 10/26/2018] [Indexed: 12/21/2022] Open
Abstract
Poor prognoses remain the most challenging aspect of hepatocellular carcinoma (HCC) therapy. Consequently, alternative therapeutics are essential to control HCC. This study investigated the anticancer effects of safranal against HCC using in vitro, in silico, and network analyses. Cell cycle and immunoblot analyses of key regulators of cell cycle, DNA damage repair and apoptosis demonstrated unique safranal-mediated cell cycle arrest at G2/M phase at 6 and 12 h, and at S-phase at 24 h, and a pronounced effect on DNA damage machinery. Safranal also showed pro-apoptotic effect through activation of both intrinsic and extrinsic initiator caspases; indicating ER stress-mediated apoptosis. Gene set enrichment analysis provided consistent findings where UPR is among the top terms of up-regulated genes in response to safranal treatment. Thus, proteins involved in ER stress were regulated through safranal treatment to induce UPR in HepG2 cells.
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Affiliation(s)
- Ala'a Al-Hrout
- Biology Department, College of Science, UAE University, P.O. Box 15551, Al-Ain, UAE
| | - Amphun Chaiboonchoe
- Laboratory of Algal, Synthetic, and Systems Biology, Division of Science and Math, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE
| | - Basel Khraiwesh
- Laboratory of Algal, Synthetic, and Systems Biology, Division of Science and Math, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE
- Center for Genomics and Systems Biology (CGSB), Division of Science, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE
| | - Chandraprabha Murali
- Biology Department, College of Science, UAE University, P.O. Box 15551, Al-Ain, UAE
| | - Badriya Baig
- Biology Department, College of Science, UAE University, P.O. Box 15551, Al-Ain, UAE
| | - Raafat El-Awady
- College of Pharmacy and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Hamadeh Tarazi
- College of Pharmacy and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Amnah Alzahmi
- Laboratory of Algal, Synthetic, and Systems Biology, Division of Science and Math, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE
| | - David R Nelson
- Laboratory of Algal, Synthetic, and Systems Biology, Division of Science and Math, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE
| | | | - Wafaa Ramadan
- College of Pharmacy and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, UAE
| | - Kourosh Salehi-Ashtiani
- Laboratory of Algal, Synthetic, and Systems Biology, Division of Science and Math, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE.
- Center for Genomics and Systems Biology (CGSB), Division of Science, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, UAE.
| | - Amr Amin
- Biology Department, College of Science, UAE University, P.O. Box 15551, Al-Ain, UAE.
- Zoology Department, Cairo University, Giza, Egypt.
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17
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Yang XF, Zhao ZJ, Liu JJ, Yang XH, Gao Y, Zhao S, Shi S, Huang KQ, Zheng HC. SAHA and/or MG132 reverse the aggressive phenotypes of glioma cells: An in vitro and vivo study. Oncotarget 2018; 8:3156-3169. [PMID: 27911270 PMCID: PMC5356872 DOI: 10.18632/oncotarget.13680] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 11/15/2016] [Indexed: 11/30/2022] Open
Abstract
To elucidate the anti-tumor effects and molecular mechanisms of SAHA (a histone deacetylase inhibitor) and MG132 (a proteasome inhibitor) on the aggressive phenotypes of glioma cells, we treated U87 and U251 cells with SAHA or/and MG132, and detected phenotypes’ assays with phenotype-related molecules examined. It was found that SAHA or/and MG132 treatment suppressed proliferation in both concentration- and time-dependent manners, inhibited energy metabolism, migration, invasion and lamellipodia formation, and induced G2 arrest and apoptosis in the glioma cells. The treatment with SAHA increased the expression of acetyl-histones 3 and 4, which were recruited to the promoters of p21, p27, Cyclin D1, c-myc and Nanog to down-regulate their transcriptional levels. Expression of acetyl-histones 3 and 4 was higher in gliomas than normal brain tissues. Both drugs’ exposure suppressed tumor growth in nude mice by inducing apoptosis and inhibiting proliferation, but increased serum aminotransferase and creatinine. These results indicated that SAHA and/or MG132 may suppress the aggressive phenotypes of glioma cells. They might be employed to treat the glioma if both hepatic and renal injuries are prevented.
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Affiliation(s)
- Xue-Feng Yang
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Zhi-Juan Zhao
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Jia-Jie Liu
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Xiang-Hong Yang
- Department of Pathology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Yang Gao
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Shuang Zhao
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Shuai Shi
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Ke-Qiang Huang
- Department of Stomatology, The Second Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China
| | - Hua-Chuan Zheng
- Cancer Center, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, China.,Life Science Institute of Jinzhou Medical University, Jinzhou 121001, China
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18
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Lien W, Chen T, Sheu S, Lin T, Kang F, Yu C, Kuan T, Huang B, Wang C. 7‐hydroxy‐staurosporine, UCN‐01, induces DNA damage response, and autophagy in human osteosarcoma U2‐OS cells. J Cell Biochem 2018; 119:4729-4741. [DOI: 10.1002/jcb.26652] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 12/20/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Wei‐Chih Lien
- Department of Physical Medicine and RehabilitationNational Cheng Kung University HospitalCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
- Department of Cell Biology and AnatomyCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Ting‐Yu Chen
- Department of Cell Biology and AnatomyCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
- Institute of Basic Medical SciencesCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Shi‐Yuan Sheu
- School of MedicineChung Shan Medical UniversityTaichungTaiwan
- Department of Integrated Chinese and Western MedicineChung Shan Medical University HospitalTaichungTaiwan
| | - Tzu‐Chien Lin
- Department of Cell Biology and AnatomyCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Fu‐Chi Kang
- Department of AnesthesiaChi Mei Medical CenterChialiTainanTaiwan
| | - Chung‐Hsing Yu
- Department of OrthopedicsChi Mei Medical CenterChialiTainanTaiwan
| | - Ta‐Shen Kuan
- Department of Physical Medicine and RehabilitationNational Cheng Kung University HospitalCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
- Department of Physical Medicine and RehabilitationCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
| | - Bu‐Miin Huang
- Department of Cell Biology and AnatomyCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
- Department of Medical ResearchChina Medical University HospitalChina Medical UniversityTaichungTaiwan
| | - Chia‐Yih Wang
- Department of Cell Biology and AnatomyCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
- Institute of Basic Medical SciencesCollege of MedicineNational Cheng Kung UniversityTainanTaiwan
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19
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Zhan L, Cao H, Wang G, Lyu Y, Sun X, An J, Wu Z, Huang Q, Liu B, Xing J. Drp1-mediated mitochondrial fission promotes cell proliferation through crosstalk of p53 and NF-κB pathways in hepatocellular carcinoma. Oncotarget 2018; 7:65001-65011. [PMID: 27542250 PMCID: PMC5323133 DOI: 10.18632/oncotarget.11339] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 07/28/2016] [Indexed: 01/01/2023] Open
Abstract
Mitochondria are highly dynamic and undergo constant fusion and fission that are essential for maintaining physiological functions of cells. Recently, we have reported that increased mitochondrial fission promotes autophagy and apoptosis resistance in hepatocellular carcinoma (HCC) cell through ROS-mediated coordinated regulation of NF-κB and p53 pathways. However, little is known about the roles of mitochondrial dynamics in HCC cell proliferation, another key feature of cancer cells. In this study, we systematically investigated the functional role of mitochondrial fission in the regulation of HCC cell proliferation. Furthermore, the underlying molecular mechanisms were deeply explored. We found that, increased mitochondrial fission by forced expression of Drp1 promoted the proliferation of HCC cells both in vitro and in vivo mainly by facilitating G1/S phase transition of cell cycle. Whereas, Drp1 knockdown or treatment with mitochondrial division inhibitor-1 induced significant G1 phase arrest in HCC cells and reduced tumor growth in the xenotransplantation model. We further demonstrated that the proliferation-promoting role of Drp1-mediated mitochondrial fission was mediated via p53/p21 and NF-κB/cyclins pathways. Moreover, the crosstalk between p53 and NF-κB pathways was proved to be involved in the regulation of mitochondrial fission-mediated cell proliferation. In conclusion, our findings demonstrate that Drp1-mediated mitochondrial fission plays a critical role in the regulation of cell cycle progression and HCC cell proliferation. Thus, targeting Drp1-dependent mitochondrial fission may provide a novel strategy for suppressing tumor growth of HCC.
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Affiliation(s)
- Lei Zhan
- Department of Gastroenterology, Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China
| | - Haiyan Cao
- State Key Laboratory of Cancer Biology and Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Gang Wang
- State Key Laboratory of Cancer Biology and Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Yinghua Lyu
- State Key Laboratory of Cancer Biology and Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Xiacheng Sun
- State Key Laboratory of Cancer Biology and Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Jiaze An
- Department of Hepatobiliary Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhenbiao Wu
- Department of Clinical Immunology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Qichao Huang
- State Key Laboratory of Cancer Biology and Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Bingrong Liu
- Department of Gastroenterology, Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China
| | - Jinliang Xing
- State Key Laboratory of Cancer Biology and Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
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20
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Ji L, Zhong B, Jiang X, Mao F, Liu G, Song B, Wang CY, Jiao Y, Wang JP, Xu ZB, Li X, Zhan B. Actein induces autophagy and apoptosis in human bladder cancer by potentiating ROS/JNK and inhibiting AKT pathways. Oncotarget 2017; 8:112498-112515. [PMID: 29348843 PMCID: PMC5762528 DOI: 10.18632/oncotarget.22274] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 09/20/2017] [Indexed: 02/06/2023] Open
Abstract
Human bladder cancer is a common genitourinary malignant cancer worldwide. However, new therapeutic strategies are required to overcome its stagnated survival rate. Triterpene glycoside Actein (ACT), extracted from the herb black cohosh, suppresses the growth of human breast cancer cells. Our study attempted to explore the role of ACT in human bladder cancer cell growth and to reveal the underlying molecular mechanisms. We found that ACT significantly impeded the bladder cancer cell proliferation via induction of G2/M cycle arrest. Additionally, ACT administration triggered autophagy and apoptosis in bladder cancer cells, proved by the autophagosome formation, LC3B-II accumulation, improved cleavage of Caspases/poly (ADP-ribose) polymerase (PARP). Furthermore, reduction of reactive oxygen species (ROS) and p-c-Jun N-terminal kinase (JNK) could markedly reverse ACT-induced autophagy and apoptosis. In contrast, AKT and mammalian target of rapamycin (mTOR) were greatly de-phosphorylated by ACT, while suppressing AKT and mTOR activity could enhance the effects of ACT on apoptosis and autophagy induction. In vivo, ACT reduced the tumor growth with little toxicity. Taken together, our findings indicated that ACT suppressed cell proliferation, induced autophagy and apoptosis through promoting ROS/JNK activation, and blunting AKT pathway in human bladder cancer, which indicated that ACT might be an effective candidate against human bladder cancer in future.
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Affiliation(s)
- Lu Ji
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Bing Zhong
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Xi Jiang
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Fei Mao
- Department of Urology, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Gang Liu
- Department of Orthopaedics, Huai’an First People's Hospital, Nanjing Medical University, Huai’an 223300, China
| | - Bin Song
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Cheng-Yuan Wang
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Yong Jiao
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Jiang-Ping Wang
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Zhi-Bin Xu
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Xing Li
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
| | - Bo Zhan
- Branch of Raw Material and Natural Products, Far East Biological Products Co. LTD., Nanjing 210009, China
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21
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Jia C, Lu Y, Bi B, Chen L, Yang Q, Yang P, Guo Y, Zhu J, Zhu N, Liu T. Platelet-rich plasma ameliorates senescence-like phenotypes in a cellular photoaging model. RSC Adv 2017. [DOI: 10.1039/c6ra26725d] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Platelet-rich plasma (PRP) is a portion of blood plasma enriched with platelets widely investigated for accelerating bone and soft tissue healing.
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22
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Hu Y, Bai J, Hou SX, Tang JS, Shi XX, Qin J, Ren N. Hypoxia-Inducible Factor 1-Alpha Regulates Cancer-Inhibitory Effect of Human Mesenchymal Stem Cells. Cell Biochem Biophys 2016; 72:131-6. [PMID: 25572053 DOI: 10.1007/s12013-014-0420-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Mesenchymal stem cells (MSCs) have been shown to be able to inhibit cancer cells growth. In this study, we investigate the role and the molecular mechanism of hypoxia-inducible factor 1-alpha (HIF-1α) in inhibition of cancer cell proliferation by human MSCs through depletion and overexpression of HIF-1α in human MSCs. We found that the cell culture medium from HIF-1α-depleted Z3 cells significantly promotes breast cancer MCF-7 cell proliferation and colony formation. The expression of p21 is increased in MCF-7 cells, but p53 level remains unchanged. In contrast, the cultured medium from HIF-1α-overexpressed Z3 cells dramatically inhibits MCF-7 cell proliferation and colony formation. The expression of p21 is inhibited in MCF-7 cells, but p53 does not change. We conclude HIF-1α promotes inhibitory effect of human MCSs on breast cancer cell proliferation and colony formation. This process is tightly correlated with cell cycle protein p21 level in cancer cells.
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Affiliation(s)
- Yuan Hu
- Institute of Orthopedics, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China.
| | - Jing Bai
- Department of Cardiology, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China
| | - Shu-Xun Hou
- Institute of Orthopedics, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China
| | - Jin-Shu Tang
- Institute of Orthopedics, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China
| | - Xiu-Xiu Shi
- Institute of Orthopedics, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China
| | - Jiang Qin
- Institute of Orthopedics, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China
| | - Neng Ren
- Institute of Orthopedics, The First Affiliated Hospital of Chinese PLA General Hospital, 51 Fucheng Road, Haidian District, Beijing, 100048, China
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23
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HIF-α Promotes Chronic Myelogenous Leukemia Cell Proliferation by Upregulating p21 Expression. Cell Biochem Biophys 2016; 72:179-83. [PMID: 25596666 DOI: 10.1007/s12013-014-0434-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We sought to determine the expression levels of hypoxia-inducible factor-1α (HIF-1α) in the bone marrow chronic myelogenous leukemia (CML) patients. We also tried to determine the roles HIF-1α in the proliferation of CML cells by small interfering RNA (siRNA) knockdown. Real-time PCR was performed to determine the expression levels of HIF-1α in the bone marrows of CML patients and healthy volunteers. HIF-1α knockdown by siRNA in K562 cells was confirmed by RT-PCR. Proliferation and colony formation of the treated cells were determined by CCK8 after HIF-1α knockdown. RT-PCR and western blotting were performed to detect mRNA and protein levels of p21 and p53 in K562 cells. HIF-1α mRNA expression in the bone marrow of CML patients was significantly higher than that in the control, which was statistically significant (P < 0.05). HIF-1α knockdown dramatically reduced the proliferation of K562 cells, which was also statistically significant (P < 0.05). HIF-1α knockdown markedly reduced the colony formation ability of K562 cells, which was also statistically significant (P < 0.05). The mRNA and protein expression of p21 were significantly reduced in K562 cell after HIF-1α knockdown with affecting the mRNA and protein levels of p53. HIF-α promotes chronic CML cell proliferation by up-regulating p21 expression.
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Hyperthermia enhances 17-DMAG efficacy in hepatocellular carcinoma cells with aggravated DNA damage and impaired G2/M transition. Sci Rep 2016; 6:38072. [PMID: 27909289 PMCID: PMC5133462 DOI: 10.1038/srep38072] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 10/20/2016] [Indexed: 02/06/2023] Open
Abstract
Due to the lack of effective treatment, hepatocellular carcinoma (HCC) is one of the malignancies with low survival rates worldwide. Combination of hyperthermia and chemotherapy has shown promising results in several abdominal tumours, but high expression of HSP90 in tumours attenuated the efficacy of hyperthermia. Thus a combination of hyperthermia and inhibition of HSP90 might be a feasible therapeutic strategy for HCC. One hepatic cell line (L02) and two HCC cell lines (Huh7 and HepG2) were heated at 42 °C for 0, 0.5 or 4 h with or without 100 nM 17-dimethylaminoethylamino-17-demethoxygeldanamycin (17-DMAG). HCC cells of the combination group exhibited more G2/M arrest and higher apoptotic rates which might result from suffering from more reactive oxygen species and serious DNA damage. Heat shock/17-DMAG co-treatment of HCC cells also destabilized CDK1, Cyclin B1 and CDC25C with a concomitant decreased proportion of cells in the M phase. Furthermore, co-treatment impaired the interaction of HSP90α with CDC37 and with CDK1, accompanied with decreased soluble CDK1. Combination of 17-DMAG with a 1.5-h whole body hyperthermia treatment attenuated tumour growth in xenograft mice models. These results suggest hyperthermia sensitize HCC to 17-DMAG, and combination of hyperthermia with 17-DMAG might be a potential therapeutic strategy for HCC.
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Ronco C, Martin AR, Demange L, Benhida R. ATM, ATR, CHK1, CHK2 and WEE1 inhibitors in cancer and cancer stem cells. MEDCHEMCOMM 2016; 8:295-319. [PMID: 30108746 DOI: 10.1039/c6md00439c] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 11/25/2016] [Indexed: 12/15/2022]
Abstract
DNA inevitably undergoes a high number of damages throughout the cell cycle. To preserve the integrity of the genome, cells have developed a complex enzymatic machinery aimed at sensing and repairing DNA lesions, pausing the cell cycle to provide more time to repair, or induce apoptosis if damages are too severe. This so-called DNA-damage response (DDR) is yet considered as a major source of resistance to DNA-damaging treatments in oncology. Recently, it has been hypothesized that cancer stem cells (CSC), a sub-population of cancer cells particularly resistant and with tumour-initiating ability, allow tumour re-growth and cancer relapse. Therefore, DDR appears as a relevant target to sensitize cancer cells and cancer stem cells to classical radio- and chemotherapies as well as to overcome resistances. Moreover, the concept of synthetic lethality could be particularly efficiently exploited in DDR. Five kinases play pivotal roles in the DDR: ATM, ATR, CHK1, CHK2 and WEE1. Herein, we review the drugs targeting these proteins and the inhibitors used in the specific case of CSC. We also suggest molecules that may be of interest for preclinical and clinical researchers studying checkpoint inhibition to sensitize cancer and cancer stem cells to DNA-damaging treatments.
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Affiliation(s)
- Cyril Ronco
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice , UMR7272 - Parc Valrose , 06108 Nice Cedex 2 , France . ; ; Tel: +33 4 92076143
| | - Anthony R Martin
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice , UMR7272 - Parc Valrose , 06108 Nice Cedex 2 , France . ; ; Tel: +33 4 92076143
| | - Luc Demange
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice , UMR7272 - Parc Valrose , 06108 Nice Cedex 2 , France . ; ; Tel: +33 4 92076143.,Université Paris Descartes , Sorbonne Paris Cité , UFR des Sciences Pharmaceutiques , 4 avenue de l'Observatoire , Paris Fr-75006 , France.,Université Paris Descartes , Sorbonne Paris Cité , UFR Biomédicale des Saints Pères , 45 rue des Saints Pères , France
| | - Rachid Benhida
- Université Côte d'Azur , CNRS , Institut de Chimie de Nice , UMR7272 - Parc Valrose , 06108 Nice Cedex 2 , France . ; ; Tel: +33 4 92076143
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Zhao XX, Chang JJ, Wang QL, Lu R, Li LJ, Sun X, Xie WD, Li X. 5,6-Dihydroxy-3,7,4'-trimethoxyflavonol induces G2/M cell cycle arrest and apoptosis in human hepatocellular carcinoma cells. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2016; 18:1079-1090. [PMID: 27314303 DOI: 10.1080/10286020.2016.1191473] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 05/15/2016] [Indexed: 06/06/2023]
Abstract
5,6-Dihydroxy-3,7,4'-trimethoxyflavonol (AH5), 5,6,3'-trihydroxy-3,7,4'-trimethoxyflavonol (AH22), artemetin, and oroxylin A are four flavonoids with the same 2-phenyl-chromone skeleton isolated from the Chinese herb Aster himalaicus. The aim of this study was to evaluate the structure-activity relationship of these four analogs and the mediation of AH5 cytotoxicity via G2/M arrest and apoptosis in human hepatocellular carcinoma (HCC) cells. 3-(4,5-Dimethythiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay indicated AH5 showed the better potency to inhibit proliferation in human HCC cells, which suggested hydroxyl binding to C6 is necessary to anticancer properties, whereas binding to C3' attenuated the activities and increased toxicity in tested cells. Flow cytometry analysis revealed that AH5-induced G2/M arrest and significantly apoptosis in these cell lines. HepG-2 cells were used to further evaluate the antitumor effects and mechanisms of AH5. AH5-induced apoptosis was further confirmed by 4',6-diamidino-2-phenylindole (DAPI) staining and the increased ratio of Bax/Bcl-2. Moreover, AH5 induced the release of cytochrome C and the activation of caspase-9 and caspase-3, thus suggesting mitochondria activation might be involved. Western blot showed that AH5 induced the phosphorylation of Cdc2 and decreased the level of Cyclin B1. These results demonstrated that AH5 could be a proapoptotic leading compound for developing novel anticancer drugs.
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Affiliation(s)
- Xin-Xin Zhao
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Juan-Juan Chang
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Qi-Lin Wang
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Rong Lu
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Ling-Jun Li
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Xiao Sun
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Wei-Dong Xie
- a School of Ocean , Shandong University , Weihai 264209 , China
| | - Xia Li
- a School of Ocean , Shandong University , Weihai 264209 , China
- b School of Pharmaceutical Sciences , Shandong University , Jinan 250012 , China
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27
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Wei RJ, Lin SS, Wu WR, Chen LR, Li CF, Chen HD, Chou CT, Chen YC, Liang SS, Chien ST, Shiue YL. A microtubule inhibitor, ABT-751, induces autophagy and delays apoptosis in Huh-7 cells. Toxicol Appl Pharmacol 2016; 311:88-98. [PMID: 27678524 DOI: 10.1016/j.taap.2016.09.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 09/15/2016] [Accepted: 09/22/2016] [Indexed: 12/28/2022]
Abstract
The objective was to investigate the upstream mechanisms of apoptosis which were triggered by a novel anti-microtubule drug, ABT-751, in hepatocellular carcinoma-derived Huh-7 cells. Effects of ABT-751 were evaluated by immunocytochemistry, flow cytometric, alkaline comet, soft agar, immunoblotting, CytoID, green fluorescent protein-microtubule associated protein 1 light chain 3 beta detection, plasmid transfection, nuclear/cytosol fractionation, coimmunoprecipitation, quantitative reverse transcription-polymerase chain reaction, small-hairpin RNA interference and mitochondria/cytosol fractionation assays. Results showed that ABT-751 caused dysregulation of microtubule, collapse of mitochondrial membrane potential, generation of reactive oxygen species (ROS), DNA damage, G2/M cell cycle arrest, inhibition of anchorage-independent cell growth and apoptosis in Huh-7 cells. ABT-751 also induced early autophagy via upregulation of nuclear TP53 and downregulation of the AKT serine/threonine kinase (AKT)/mechanistic target of rapamycin (MTOR) pathway. Through modulation of the expression levels of DNA damage checkpoint proteins and G2/M cell cycle regulators, ABT-751 induced G2/M cell cycle arrest. Subsequently, ABT-751 triggered apoptosis with marked downregulation of B-cell CLL/lymphoma 2, upregulation of mitochondrial BCL2 antagonist/killer 1 and BCL2 like 11 protein levels, and cleavages of caspase 8 (CASP8), CASP9, CASP3 and DNA fragmentation factor subunit alpha proteins. Suppression of ROS significantly decreased ABT-751-induced autophagic and apoptotic cells. Pharmacological inhibition of autophagy significantly increased the percentages of ABT-751-induced apoptotic cells. The autophagy induced by ABT-751 plays a protective role to postpone apoptosis by exerting adaptive responses following microtubule damage, ROS and/or impaired mitochondria.
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Affiliation(s)
- Ren-Jie Wei
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan; Department of Pathology, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
| | - Su-Shuan Lin
- Department of Pathology, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
| | - Wen-Ren Wu
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Lih-Ren Chen
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan, Taiwan; Division of Physiology, Livestock Research Institute, Council of Agriculture, Taiwan
| | - Chien-Feng Li
- Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan, Taiwan; Department of Pathology, Chi-Mei Medical Center, Tainan, Taiwan; National Institute of Cancer Research, National Health Research Institute, Tainan, Taiwan; Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Han-De Chen
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Chien-Ting Chou
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Ya-Chun Chen
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Shih-Shin Liang
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan; Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shang-Tao Chien
- Department of Pathology, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
| | - Yow-Ling Shiue
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan; Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan; Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan.
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28
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Mamede AC, Guerra S, Laranjo M, Santos K, Carvalho MJ, Carvalheiro T, Moura P, Paiva A, Abrantes AM, Maia CJ, Botelho MF. Oxidative Stress, DNA, Cell Cycle/Cell Cycle Associated Proteins and Multidrug Resistance Proteins: Targets of Human Amniotic Membrane in Hepatocellular Carcinoma. Pathol Oncol Res 2016; 22:689-97. [PMID: 26965246 DOI: 10.1007/s12253-016-0053-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Accepted: 03/07/2016] [Indexed: 01/03/2023]
Abstract
The anticancer effects of human amniotic membrane (hAM) have been studied over the last decade. However, the action mechanisms responsible for these effects are not fully understood until now. Previously results reported by our team proved that hAM is able to induce cytotoxicity and cell death in hepatocellular carcinoma (HCC), a worldwide high incident and mortal cancer. Therefore, this experimental study aimed to investigate the cellular targets of hAM protein extracts (hAMPE) in HCC through in vitro studies. Our results showed that hAMPE is able to modify oxidative stress environment in all HCC cell lines, as well as its cell cycle. hAMPE differently targets deoxyribonucleic acid (DNA), P21, P53, β-catenin and multidrug resistance (MDR) proteins in HCC cell lines. In conclusion, hAMPE has several targets in HCC, being clear that the success of this treatment depends of a personalized therapy based on the biological and genetic characteristics of the tumor.
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Affiliation(s)
- A C Mamede
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal. .,CICS-UBI, Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal. .,CIMAGO, Faculty of Medicine, University of Coimbra, Coimbra, Portugal. .,CNC.IBILI, University of Coimbra, Coimbra, Portugal.
| | - S Guerra
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal
| | - M Laranjo
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CNC.IBILI, University of Coimbra, Coimbra, Portugal
| | - K Santos
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal
| | - M J Carvalho
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CNC.IBILI, University of Coimbra, Coimbra, Portugal.,Obstetrics Service, Coimbra Hospital and University Centre, Coimbra, Portugal
| | - T Carvalheiro
- Blood and Transplantation Center of Coimbra, Portuguese Institute of the Blood and Transplantation, Coimbra, Portugal
| | - P Moura
- Obstetrics Service, Coimbra Hospital and University Centre, Coimbra, Portugal
| | - A Paiva
- Cytometry Operational Management Unit, Clinical Pathology Department, Coimbra Hospital and University Centre, Coimbra, Portugal
| | - A M Abrantes
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CNC.IBILI, University of Coimbra, Coimbra, Portugal
| | - C J Maia
- CICS-UBI, Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - M F Botelho
- Biophysics Unit, Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba - Celas, 3000-548, Coimbra, Portugal.,CIMAGO, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,CNC.IBILI, University of Coimbra, Coimbra, Portugal
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Genome-wide analysis of the zebrafish Klf family identifies two genes important for erythroid maturation. Dev Biol 2015; 403:115-27. [PMID: 26015096 DOI: 10.1016/j.ydbio.2015.05.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2015] [Revised: 05/17/2015] [Accepted: 05/18/2015] [Indexed: 01/01/2023]
Abstract
Krüppel-like transcription factors (Klfs), each of which contains a CACCC-box binding domain, have been investigated in a variety of developmental processes, such as angiogenesis, neurogenesis and somatic-cell reprogramming. However, the function and molecular mechanism by which the Klf family acts during developmental hematopoiesis remain elusive. Here, we report identification of 24 Klf family genes in zebrafish using bioinformatics. Gene expression profiling shows that 6 of these genes are expressed in blood and/or vascular endothelial cells during embryogenesis. Loss of function of 2 factors (klf3 or klf6a) leads to a decreased number of mature erythrocytes. Molecular studies indicate that both Klf3 and Klf6a are essential for erythroid cell differentiation and maturation but that these two proteins function in distinct manners. We find that Klf3 inhibits the expression of ferric-chelate reductase 1b (frrs1b), thereby promoting the maturation of erythroid cells, whereas Klf6a controls the erythroid cell cycle by negatively regulating cdkn1a expression to determine the rate of red blood cell proliferation. Taken together, our study provides a global view of the Klf family members that contribute to hematopoiesis in zebrafish and sheds new light on the function and molecular mechanism by which Klf3 and Klf6a act during erythropoiesis in vertebrates.
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Chen L, Bi B, Zeng J, Zhou Y, Yang P, Guo Y, Zhu J, Yang Q, Zhu N, Liu T. Rosiglitazone ameliorates senescence-like phenotypes in a cellular photoaging model. J Dermatol Sci 2015; 77:173-81. [DOI: 10.1016/j.jdermsci.2015.01.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 11/18/2014] [Accepted: 01/19/2015] [Indexed: 11/24/2022]
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Hu S, Mao GP, Guo MZ. Effect of transfection with bcl6b on biological behavior of human esophageal cancer cells. Shijie Huaren Xiaohua Zazhi 2014; 22:2525-2531. [DOI: 10.11569/wcjd.v22.i18.2525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the effect of exogenous bcl6b gene on biological behavior of human esophageal cancer cells.
METHODS: PCR was used to clone the bcl6b gene to construct the pcDNA-bcl6b vector. The pcDNA-bcl6b and pcDNA3.1 (empty vector) were introduced into KYSE180 cell line using Lipofectin, and the KYSE180 cells stably expressing the bcl6b gene were established by G418 selection. The expression of BCL6B, P53 and P21 proteins was detected by Western blot. Cell cycle and apoptosis were assayed by flow cytometry (FCM). Cell proliferation was observed by growth curve and colony formation assays.
RESULTS: KYSE180 cells stably expressing BCL6B protein were established. FCM showed that more BCL6B-transfected cells entered into G0/G1 phase (BCL6B: 47.85% ± 1.53% vs empty vector: 40.62% ± 1.07%, P < 0.05) and fewer cells entered into S phase (BCL6B: 34.40% ± 1.30% vs empty vector: 42.31% ± 0.66%, P < 0.01) compared with cells transfected with the empty vector. Moreover, there was a significant difference in the apoptosis rate between the two groups (BCL6B: 11.74% ± 0.99% vs empty vector: 2.43% ± 0.70%, P < 0.01), and P53 and P21 protein expression levels were significantly increased. Compared with the empty vector transfected cells, the BCL6B-transfected cells grew more slowly.
CONCLUSION: BCL6B protein might inhibit the malignant biological behavior of KYSE180 cells partly by up-regulating P53 and P21 protein expression.
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Involvement of DNA damage response pathways in hepatocellular carcinoma. BIOMED RESEARCH INTERNATIONAL 2014; 2014:153867. [PMID: 24877058 PMCID: PMC4022277 DOI: 10.1155/2014/153867] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 01/23/2014] [Accepted: 03/25/2014] [Indexed: 12/16/2022]
Abstract
Hepatocellular carcinoma (HCC) has been known as one of the most lethal human malignancies, due to the difficulty of early detection, chemoresistance, and radioresistance, and is characterized by active angiogenesis and metastasis, which account for rapid recurrence and poor survival. Its development has been closely associated with multiple risk factors, including hepatitis B and C virus infection, alcohol consumption, obesity, and diet contamination. Genetic alterations and genomic instability, probably resulted from unrepaired DNA lesions, are increasingly recognized as a common feature of human HCC. Dysregulation of DNA damage repair and signaling to cell cycle checkpoints, known as the DNA damage response (DDR), is associated with a predisposition to cancer and affects responses to DNA-damaging anticancer therapy. It has been demonstrated that various HCC-associated risk factors are able to promote DNA damages, formation of DNA adducts, and chromosomal aberrations. Hence, alterations in the DDR pathways may accumulate these lesions to trigger hepatocarcinogenesis and also to facilitate advanced HCC progression. This review collects some of the most known information about the link between HCC-associated risk factors and DDR pathways in HCC. Hopefully, the review will remind the researchers and clinicians of further characterizing and validating the roles of these DDR pathways in HCC.
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The molecular mechanisms of Tanshinone IIA on the apoptosis and arrest of human esophageal carcinoma cells. BIOMED RESEARCH INTERNATIONAL 2014; 2014:582730. [PMID: 24829906 PMCID: PMC4009328 DOI: 10.1155/2014/582730] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 03/23/2014] [Accepted: 03/24/2014] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To explore the possible mechanisms of Tanshinone IIA (TanIIA) on esophageal carcinoma cell lines. METHODS Two human esophageal carcinoma cell lines (EC-1 cells and ECa-109 cells) were treated with different concentrations of TanIIA. Cell proliferation was measured by CCK-8, colony-forming efficiency was calculated, cell cycle and apoptosis were measured, and changes in cell cycle- and apoptosis-related gene expression were measured by Western blotting. RESULTS The CCK-8 and colony formation assay indicated that TanIIA inhibited the cell proliferation of human esophageal cancer cells (IC50 below 1 μg/mL) at 48 h. Hoechst 33258 and flow cytometry showed that TanIIA induced apoptosis in both esophageal cancer cell lines. Flow cytometry showed that TanIIA arrested cell cycle in S phase and G2/M phase. Western blotting analysis showed that Akt1 and its phosphorylation were inhibited, the Bax/Bcl-2 ratio increased, and both caspase-9 and caspase-3 were activated after treatment with 1.3 μg/mL TanIIA at 48 h. Meanwhile, p53 and p21 protein levels increased, whereas cyclin B1, CDC2, and CDC2 phosphorylation were inhibited. CONCLUSION TanIIA inhibits the growth of esophageal cancer cells and induces apoptosis in a time-dependent and concentration-dependent manner, possibly by affecting cell cycle- and apoptosis-related signaling pathways.
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Wu G, Xu L, Lin N, Liu B, Feitelson MA. Erratum To: UCN-01 induces S and G2/M cell cycle arrest through the p53/p21waf1 or CHK2/CDC25C pathways and can suppress invasion in human hepatoma cell lines. BMC Cancer 2014. [PMCID: PMC3976153 DOI: 10.1186/1471-2407-14-216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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EZH2 silencing with RNA interference induces G2/M arrest in human lung cancer cells in vitro. BIOMED RESEARCH INTERNATIONAL 2014; 2014:348728. [PMID: 24745014 PMCID: PMC3976908 DOI: 10.1155/2014/348728] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2014] [Accepted: 02/11/2014] [Indexed: 12/11/2022]
Abstract
Nonsmall-cell lung cancer has a high mortality rate and poor prognosis. In the present study, we silenced EZH2 and explored the consequent cell cycle changes. The expression of cell-cycle-related proteins, including p53, p21, Cdc2, and cyclin B1, was detected with western blotting, and the cell cycle distribution was determined with flow cytometry. Inhibition of EZH2 expression changed the cell cycle distribution, in particular inducing G2/M arrest. Expression of Cdc2 and cyclin B1 was significantly decreased in A549 and HTB-56 cells after EZH2-siRNA treatment. In addition, p53 expression was increased by 21% and 18%, and p21 expression was increased by 31% and 23%, in A549 and HTB-56 cells, respectively, in the presence of EZH2-siRNA. This study clearly demonstrates that modulation of EZH2 expression with siRNA affects the cell cycle and the expression levels of p53 and p21, thereby changing cyclin B1 and Cdc2 expression and inducing G2/M arrest. These results may explain the observed antitumor activity of EZH2 silencing. Such explorations of the molecular mechanism of EZH2 will help us develop novel approaches to the diagnosis, treatment, and prevention of nonsmall-cell lung cancer.
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