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Vitucci ECM, Simmons AE, Martin EM, McCullough SD. Epithelial MAPK signaling directs endothelial NRF2 signaling and IL-8 secretion in a tri-culture model of the alveolar-microvascular interface following diesel exhaust particulate (DEP) exposure. Part Fibre Toxicol 2024; 21:15. [PMID: 38468337 PMCID: PMC10926573 DOI: 10.1186/s12989-024-00576-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 02/27/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Particulate matter 2.5 (PM2.5) deposition in the lung's alveolar capillary region (ACR) is significantly associated with respiratory disease development, yet the molecular mechanisms are not completely understood. Adverse responses that promote respiratory disease development involve orchestrated, intercellular signaling between multiple cell types within the ACR. We investigated the molecular mechanisms elicited in response to PM2.5 deposition in the ACR, in an in vitro model that enables intercellular communication between multiple resident cell types of the ACR. METHODS An in vitro, tri-culture model of the ACR, incorporating alveolar-like epithelial cells (NCI-H441), pulmonary fibroblasts (IMR90), and pulmonary microvascular endothelial cells (HULEC) was developed to investigate cell type-specific molecular responses to a PM2.5 exposure in an in-vivo-like model. This tri-culture in vitro model was termed the alveolar capillary region exposure (ACRE) model. Alveolar epithelial cells in the ACRE model were exposed to a suspension of diesel exhaust particulates (DEP) (20 µg/cm2) with an average diameter of 2.5 µm. Alveolar epithelial barrier formation, and transcriptional and protein expression alterations in the directly exposed alveolar epithelial and the underlying endothelial cells were investigated over a 24 h DEP exposure. RESULTS Alveolar epithelial barrier formation was not perturbed by the 24 h DEP exposure. Despite no alteration in barrier formation, we demonstrate that alveolar epithelial DEP exposure induces transcriptional and protein changes in both the alveolar epithelial cells and the underlying microvascular endothelial cells. Specifically, we show that the underlying microvascular endothelial cells develop redox dysfunction and increase proinflammatory cytokine secretion. Furthermore, we demonstrate that alveolar epithelial MAPK signaling modulates the activation of NRF2 and IL-8 secretion in the underlying microvascular endothelial cells. CONCLUSIONS Endothelial redox dysfunction and increased proinflammatory cytokine secretion are two common events in respiratory disease development. These findings highlight new, cell-type specific roles of the alveolar epithelium and microvascular endothelium in the ACR in respiratory disease development following PM2.5 exposure. Ultimately, these data expand our current understanding of respiratory disease development following particle exposures and illustrate the utility of multicellular in vitro systems for investigating respiratory tract health.
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Affiliation(s)
- Eva C M Vitucci
- Interdisciplinary Faculty of Toxicology, School of Public Health, Texas A&M University, College Station, TX, USA
- Curriculum in Toxicology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
- The Center for Environmental Medicine, Asthma and Lung Biology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Alysha E Simmons
- Curriculum in Toxicology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Elizabeth M Martin
- Epigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Durham, NC, USA
| | - Shaun D McCullough
- Exposure and Protection, RTI International, 3040 East Cornwallis Road, Durham, NC, USA.
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Chapel Hill, NC, USA.
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Jeong Y, Lee SH, Lee J, Kim MS, Lee YG, Hwang JT, Choi SY, Yoon HG, Lim TG, Lee SH, Choi HK. Water Extract of Capsella bursa-pastoris Mitigates Doxorubicin-Induced Cardiotoxicity by Upregulating Antioxidant Enzymes. Int J Mol Sci 2023; 24:15912. [PMID: 37958893 PMCID: PMC10648471 DOI: 10.3390/ijms242115912] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023] Open
Abstract
Doxorubicin (DOX), an effective chemotherapeutic drug, causes cardiotoxicity in a cumulative and dose-dependent manner. The aim of this study is to investigate the effects of hot-water extract of Capsella bursa-pastoris (CBW) on DOX-induced cardiotoxicity (DICT). We utilized H9c2 rat cardiomyocytes and MDA-MB-231 human breast cancer cells to evaluate the effects of CBW on DOX-induced cell death. Superoxide dismutase (SOD) levels, reactive oxygen species (ROS) production, and oxygen consumption rate were measured in H9c2 cells. C57BL/6 mice were treated with DOX and CBW to assess their impact on various cardiac parameters. Human-induced pluripotent stem-cell-derived cardiomyocytes were also used to investigate DOX-induced electrophysiological changes and the potential ameliorative effects of CBW. UPLC-TQ/MS analysis identified seven flavonoids in CBW, with luteolin-7-O-glucoside and isoorientin as the major compounds. CBW inhibited DOX-induced death of H9c2 rat cardiomyocytes but did not affect DOX-induced death of MDA-MB-231 human breast cancer cells. CBW increased SOD levels in a dose-dependent manner, reducing ROS production and increasing the oxygen consumption rate in H9c2 cells. The heart rate, RR interval, QT, and ST prolongation remarkably recovered in C57BL/6 mice treated with the combination of DOX and CBW compared to those in mice treated with DOX alone. Administration of CBW with DOX effectively alleviated collagen accumulation, cell death in mouse heart tissues, and reduced the levels of creatinine kinase (CK) and lactate dehydrogenase (LDH) in serum. Furthermore, DOX-induced pathological electrophysiological features in human-induced pluripotent stem-cell-derived cardiomyocytes were ameliorated by CBW. CBW may prevent DICT by stabilizing SOD and scavenging ROS. The presence of flavonoids, particularly luteolin-7-O-glucoside and isoorientin, in CBW may contribute to its protective effects. These results suggest the potential of CBW as a traditional therapeutic option to mitigate DOX-induced cardiotoxicity.
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Affiliation(s)
- Yuhui Jeong
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
- Department of Food Science & Biotechnology, Sejong University, Seoul 05006, Republic of Korea;
| | - Sun-Ho Lee
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (S.-H.L.); (H.-G.Y.)
| | - Jangho Lee
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
| | - Min-Sun Kim
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
| | - Yu-Geon Lee
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
| | - Jin-Taek Hwang
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
| | - Sang-Yoon Choi
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
| | - Ho-Geun Yoon
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (S.-H.L.); (H.-G.Y.)
- Institute of Genetic Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Tae-Gyu Lim
- Department of Food Science & Biotechnology, Sejong University, Seoul 05006, Republic of Korea;
| | - Seung-Hyun Lee
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul 03722, Republic of Korea; (S.-H.L.); (H.-G.Y.)
- Institute of Genetic Science, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
- Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Hyo-Kyoung Choi
- Korea Food Research Institute, Wanju-gun 55365, Republic of Korea; (Y.J.); (J.L.); (M.-S.K.); (Y.-G.L.); (J.-T.H.); (S.-Y.C.)
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3
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De Angelis M, Anichini G, Palamara AT, Nencioni L, Gori Savellini G. Dysregulation of intracellular redox homeostasis by the SARS-CoV-2 ORF6 protein. Virol J 2023; 20:239. [PMID: 37853388 PMCID: PMC10585933 DOI: 10.1186/s12985-023-02208-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/06/2023] [Indexed: 10/20/2023] Open
Abstract
SARS-CoV-2 has evolved several strategies to overcome host cell defenses by inducing cell injury to favour its replication. Many viruses have been reported to modulate the intracellular redox balance, affecting the Nuclear factor erythroid 2-Related Factor 2 (NRF2) signaling pathway. Although antioxidant modulation by SARS-CoV-2 infection has already been described, the viral factors involved in modulating the NRF2 pathway are still elusive. Given the antagonistic activity of ORF6 on several cellular pathways, we investigated the role of the viral protein towards NRF2-mediated antioxidant response. The ectopic expression of the wt-ORF6 protein negatively impacts redox cell homeostasis, leading to an increase in ROS production, along with a decrease in NRF2 protein and its downstream controlled genes. Moreover, when investigating the Δ61 mutant, previously described as an inactive nucleopore proteins binding mutant, we prove that the oxidative stress induced by ORF6 is substantially related to its C-terminal domain, speculating that ORF6 mechanism of action is associated with the inhibition of nuclear mRNA export processes. In addition, activation by phosphorylation of the serine residue at position 40 of NRF2 is increased in the cytoplasm of wt-ORF6-expressing cells, supporting the presence of an altered redox state, although NRF2 nuclear translocation is hindered by the viral protein to fully antagonize the cell response. Furthermore, wt-ORF6 leads to phosphorylation of a stress-activated serine/threonine protein kinase, p38 MAPK, suggesting a role of the viral protein in regulating p38 activation. These findings strengthen the important role of oxidative stress in the pathogenesis of SARS-CoV-2 and identify ORF6 as an important viral accessory protein hypothetically involved in modulating the antioxidant response during viral infection.
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Affiliation(s)
- Marta De Angelis
- Department of Public Health and Infectious Diseases, Sapienza University, Rome, Italy.
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University, Rome, Italy.
| | - Gabriele Anichini
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Anna Teresa Palamara
- Department of Public Health and Infectious Diseases, Sapienza University, Rome, Italy
- Department of Infectious Diseases, Istituto Superiore Di Sanità, Rome, Italy
| | - Lucia Nencioni
- Department of Public Health and Infectious Diseases, Sapienza University, Rome, Italy
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Peng S, Shen L, Yu X, Zhang L, Xu K, Xia Y, Zha L, Wu J, Luo H. The role of Nrf2 in the pathogenesis and treatment of ulcerative colitis. Front Immunol 2023; 14:1200111. [PMID: 37359553 PMCID: PMC10285877 DOI: 10.3389/fimmu.2023.1200111] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
Ulcerative colitis (UC) is a chronic inflammatory bowel disease involving mainly the colorectal mucosa and submucosa, the incidence of which has been on the rise in recent years. Nuclear factor erythroid 2-related factor 2 (Nrf2), known for its key function as a transcription factor, is pivotal in inducing antioxidant stress and regulating inflammatory responses. Numerous investigations have demonstrated the involvement of the Nrf2 pathway in maintaining the development and normal function of the intestine, the development of UC, and UC-related intestinal fibrosis and carcinogenesis; meanwhile, therapeutic agents targeting the Nrf2 pathway have been widely investigated. This paper reviews the research progress of the Nrf2 signaling pathway in UC.
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Affiliation(s)
- Shuai Peng
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Digestive Diseases, Wuhan, China
| | - Lei Shen
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Digestive Diseases, Wuhan, China
| | - Xiaoyun Yu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Li Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ke Xu
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuan Xia
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Digestive Diseases, Wuhan, China
| | - Lanlan Zha
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Digestive Diseases, Wuhan, China
| | - Jing Wu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Digestive Diseases, Wuhan, China
| | - Hesheng Luo
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Digestive Diseases, Wuhan, China
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Luo G, Ma B, Jiang Y, Lv H. Propofol Induces the Expression of Nrf2 and HO-1 in Echinococcus granulosus via the JNK and p38 Pathway In Vitro. Trop Med Infect Dis 2023; 8:306. [PMID: 37368724 DOI: 10.3390/tropicalmed8060306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/29/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
The purpose of this study was to establish the relationship between mitogen-activated protein kinase (MAPK) and Nrf2 signaling pathways in Echinococcus granulosus (E. granulosus). E. granulosus protoscoleces (PSCs) cultured in vitro were divided into different groups: a control group, PSCs were pretreated with various concentrations of propofol followed by exposure to hydrogen peroxide (H2O2), and PSCs were pretreated with MAPK inhibitors, then co-treated with propofol and incubated in the presence of H2O2. PSCs activity was observed under an inverted microscope and survival rate was calculated. Reactive oxygen species (ROS) was detected by fluorescence microscopy, western blotting was used to detect the expression of Nrf2, Bcl-2, and heme oxygenase 1 (HO-1) in the PSCs among different groups. Pretreatment of PSCs with 0-1 mM propofol for 8 h prevented PSCs death after exposure to 0.5 mM H2O2. PSCs were pretreated with PD98059, SB202190, or SP600125 for 2 h, co-treated with propofol for an additional 8 h, and then exposed to 0.5 mM H2O2 for 6 h. On day 6, the PSCs viability was 42% and 39% in the p38 and JNK inhibitor groups, respectively. Additionally, pretreatment with propofol significantly attenuated the generation of ROS following H2O2 treatment. Propofol increased the expression of Nrf2, HO-1, and BCL2 compared with that of the control group. Pretreatment PSCs with SP600125 or SB202190, co-incubation with propofol and H2O2, can reduce the expression of Nrf2, HO-1, and BCL2 (p < 0.05). These results suggest that propofol induces an upregulated expression of HO-1 and Nrf2 by activation of the JNK and p38 MAPK signaling pathways. This study highlights the cross role of metabolic regulation of ROS signaling and targeting signalling pathways that may provide a promising strategy for the treatment of E. granulosus disease.
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Affiliation(s)
- Guangyi Luo
- Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu 610031, China
- Section for Hepatopancreatobiliary Surgery, Department of General Surgery, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu 610031, China
| | - Bin Ma
- Department of General Surgery, Jinxiang People's Hospital, Jining 272200, China
| | - Yufeng Jiang
- School of Basic Medicine, Chengdu Medical College, Chengdu 610500, China
| | - Hailong Lv
- Section for Hepatopancreatobiliary Surgery, Department of General Surgery, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu 610031, China
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Almeida Lima K, Osawa IYA, Ramalho MCC, de Souza I, Guedes CB, Souza Filho CHDD, Monteiro LKS, Latancia MT, Rocha CRR. Temozolomide Resistance in Glioblastoma by NRF2: Protecting the Evil. Biomedicines 2023; 11:biomedicines11041081. [PMID: 37189700 DOI: 10.3390/biomedicines11041081] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/26/2023] [Accepted: 03/29/2023] [Indexed: 04/07/2023] Open
Abstract
The transcription factor NRF2 is constitutively active in glioblastoma, a highly aggressive brain tumor subtype with poor prognosis. Temozolomide (TMZ) is the primary chemotherapeutic agent for this type of tumor treatment, but resistance to this drug is often observed. This review highlights the research that is demonstrating how NRF2 hyperactivation creates an environment that favors the survival of malignant cells and protects against oxidative stress and TMZ. Mechanistically, NRF2 increases drug detoxification, autophagy, DNA repair, and decreases drug accumulation and apoptotic signaling. Our review also presents potential strategies for targeting NRF2 as an adjuvant therapy to overcome TMZ chemoresistance in glioblastoma. Specific molecular pathways, including MAPKs, GSK3β, βTRCP, PI3K, AKT, and GBP, that modulate NRF2 expression leading to TMZ resistance are discussed, along with the importance of identifying NRF2 modulators to reverse TMZ resistance and develop new therapeutic targets. Despite the significant progress in understanding the role of NRF2 in GBM, there are still unanswered questions regarding its regulation and downstream effects. Future research should focus on elucidating the precise mechanisms by which NRF2 mediates resistance to TMZ, and identifying potential novel targets for therapeutic intervention.
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Affiliation(s)
- Karoline Almeida Lima
- Department of Clinical and Experimental Oncology, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04037-003, Brazil
| | - Isabeli Yumi Araújo Osawa
- Department of Clinical and Experimental Oncology, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04037-003, Brazil
| | - Maria Carolina Clares Ramalho
- Department of Clinical and Experimental Oncology, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04037-003, Brazil
| | - Izadora de Souza
- Department of Clinical and Experimental Oncology, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04037-003, Brazil
| | - Camila Banca Guedes
- Department of Clinical and Experimental Oncology, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04037-003, Brazil
| | | | | | - Marcela Teatin Latancia
- Laboratory of Genomic Integrity, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892-3371, USA
| | - Clarissa Ribeiro Reily Rocha
- Department of Clinical and Experimental Oncology, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04037-003, Brazil
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Wang C, Cheng T, Lu Q, Li W, Liu B, Yue L, Du M, Sheng W, Lu Z, Yang J, Geng F, Gao X, Lü J, Pan X. Oxygen therapy accelerates apoptosis induced by selenium compounds via regulating Nrf2/MAPK signaling pathway in hepatocellular carcinoma. Pharmacol Res 2023; 187:106624. [PMID: 36563868 DOI: 10.1016/j.phrs.2022.106624] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/14/2022] [Accepted: 12/18/2022] [Indexed: 12/25/2022]
Abstract
Selenium has good antitumor effects in vitro, but the hypoxic microenvironment in solid tumors makes its clinical efficacy unsatisfactory. We hypothesized that the combination with oxygen therapy might improve the treatment efficacy of selenium in hypoxic tumors through the changes of redox environment. In this work, two selenium compounds, Na2SeO3 and CysSeSeCys, were selected to interrogate their therapeutic effects on hepatocellular carcinoma (HCC) under different oxygen levels. In tumor-bearing mice, both selenium compounds significantly inhibited the tumor growth, and combined with oxygen therapy further reduced the tumor volume about 50 %. In vitro HepG2 cell experiments, selenium induced autophagy and delayed apoptosis under hypoxia (1 % O2), while inhibited autophagy and accelerated apoptosis under hyperoxia (60 % O2). We found that, in contrast to hypoxia, the hyperoxic environment facilitated the H2Se, produced by the selenium metabolism in cells, to be rapidly oxidized to generate H2O2, leading to inhibit the expression level of Nrf2 and to increase that of phosphorylation of p38 and MKK4, resulting in inhibiting autophagy and accelerating apoptosis. Once the Nrf2 gene was knocked down, selenium compounds combined with hyperoxia treatment would further activate the MAPK signaling pathway and further increase apoptosis. These findings highlight oxygen can significantly enhance the anti-HCC effect of selenium compounds through regulating the Nrf2 and MAPK signaling pathways, thus providing novel therapeutic strategy for the hypoxic tumors and pave the way for the application of selenium in clinical treatment.
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Affiliation(s)
- Cheng Wang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | | | - Qianqian Lu
- Yantai Affiliated Hospital of Binzhou Medical University, Yantai 264003, China
| | - Wenzhen Li
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Ben Liu
- Yantai Affiliated Hospital of Binzhou Medical University, Yantai 264003, China
| | - Lijun Yue
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Maoru Du
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Wenxue Sheng
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Zhaochen Lu
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Jingnan Yang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Feng Geng
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Xue Gao
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
| | - Junhong Lü
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China; Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250000, China.; Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Xiaohong Pan
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
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NRF2 in Cancer: Cross-Talk with Oncogenic Pathways and Involvement in Gammaherpesvirus-Driven Carcinogenesis. Int J Mol Sci 2022; 24:ijms24010595. [PMID: 36614036 PMCID: PMC9820659 DOI: 10.3390/ijms24010595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022] Open
Abstract
Expanding knowledge of the molecular mechanisms at the basis of tumor development, especially the cross-talk between oncogenic pathways, will possibly lead to better tailoring of anticancer therapies. Nuclear factor erythroid 2-related factor 2 (NRF2) plays a central role in cancer progression, not only because of its antioxidant activity but also because it establishes cross-talk with several oncogenic pathways, including Heat Shock Factor1 (HSF1), mammalian target of rapamycin (mTOR), and mutant (mut) p53. Moreover, the involvement of NRF2 in gammaherpesvirus-driven carcinogenesis is particularly interesting. These viruses indeed hijack the NRF2 pathway to sustain the survival of tumor cells in which they establish a latent infection and to avoid a too-high increase of reactive oxygen species (ROS) when these cancer cells undergo treatments that induce viral replication. Interestingly, NRF2 activation may prevent gammaherpesvirus-driven oncogenic transformation, highlighting how manipulating the NRF2 pathway in the different phases of gammaherpesvirus-mediated carcinogenesis may lead to different outcomes. This review will highlight the mechanistic interplay between NRF2 and some oncogenic pathways and its involvement in gammaherpesviruses biology to recapitulate published evidence useful for potential application in cancer therapy.
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Kryszczuk M, Kowalczuk O. Significance of NRF2 in physiological and pathological conditions an comprehensive review. Arch Biochem Biophys 2022; 730:109417. [DOI: 10.1016/j.abb.2022.109417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/22/2022] [Accepted: 09/24/2022] [Indexed: 11/30/2022]
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Zou J, Lin Z, Jiao W, Chen J, Lin L, Zhang F, Zhang X, Zhao J. A multi-omics-based investigation of the prognostic and immunological impact of necroptosis-related mRNA in patients with cervical squamous carcinoma and adenocarcinoma. Sci Rep 2022; 12:16773. [PMID: 36202899 PMCID: PMC9537508 DOI: 10.1038/s41598-022-20566-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 09/15/2022] [Indexed: 11/11/2022] Open
Abstract
Necroptosis is a kind of programmed necrosis mode that plays a double-edged role in tumor progression. However, the role of necroptosis-related Messenger RNA (mRNA) in predicting the prognosis and immune response of cervical squamous carcinoma and adenocarcinoma (CESC) has not been fully studied. Firstly, the incidence of somatic mutation rate and copy number variation for 74 necroptosis-related mRNAs (NRmRNAs) were analyzed. Secondly, CESC patients were divided into four stable clusters based on the consensus clustering results and analyzed for correlations with a series of clinical factors. Subsequently, a total of 291 The Cancer Genome Atlas samples were randomly divided into either training or validation cohorts. A Cox proportional hazard model consisting of three NRmRNAs (CXCL8, CLEC9A, and TAB2) was constructed by univariate, least absolute shrinkage and selection operator and multivariate COX regression analysis to identify the prognosis and immune response. Its performance and stability were further validated in another testing dataset (GSE44001) from Gene Expression Omnibus database. The results of the receiver operating characteristic curve, principal component analysis, t-SNE, and nomogram indicated that the prognostic model we constructed can serve as an independent prognostic factor. The combination of the prognostic model and the classic TNM staging system could improve the performance in predicting the survival of CESC patients. In addition, differentially expressed genes from high and low-risk patients are screened by R software for functional analysis and pathway enrichment analysis. Besides, single-sample gene set enrichment analysis revealed that tumor-killing immune cells were reduced in the high-risk group. Moreover, patients in the low-risk group are more likely to benefit from immune checkpoint inhibitors. The analysis of tumor immune dysfunction and exclusion scores, M6A-related genes, stem cell correlation and Tumor mutational burden data with clinical information has quantified the expression levels of NRmRNAs between the two risk subgroups. According to tumor immune microenvironment scores, Spearman’s correlation analysis, and drug sensitivity, immunotherapy may have a higher response rate and better efficacy in patients of the low-risk subgroup. In conclusion, we have reported the clinical significance of NRmRNAs for the prognosis and immune response in CESC patients for the first time. Screening of accurate and effective prognostic markers is important for designing a multi-combined targeted therapeutic strategy and the development of individualized precision medicine.
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Affiliation(s)
- Jiani Zou
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Zhiheng Lin
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Wenjian Jiao
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Jun Chen
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Lidong Lin
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Fang Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Xiaodan Zhang
- Department of Traditional Chinese Medicine, Qilu Hospital of Shandong University, Jinan, 250012, China.
| | - Junde Zhao
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China.
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Grave N, Scheffel TB, Cruz FF, Rockenbach L, Goettert MI, Laufer S, Morrone FB. The functional role of p38 MAPK pathway in malignant brain tumors. Front Pharmacol 2022; 13:975197. [PMID: 36299892 PMCID: PMC9589890 DOI: 10.3389/fphar.2022.975197] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/14/2022] [Indexed: 11/13/2022] Open
Abstract
Gliomas are extremely debilitating malignant brain tumors with very limited response to therapies. The initiation and progression of gliomas can be attributed to several molecular abnormalities, such as mutations in important regulatory networks. In this regard, the mitogen-activated protein kinases (MAPKs) arise as key signaling pathways involved in cell proliferation, survival, and differentiation. MAPK pathway has been altered in most glial tumors. In glioma cells, the activation of p38 MAPK contributes to tumor invasion and metastasis and is positively correlated with tumor grade, being considered a potential oncogenic factor contributing to brain tumorigenesis and chemotherapy resistance. Hence, a better understanding of glioma pathogenesis is essential to the advancement of therapies that provide extended life expectancy for glioma patients. This review aims to explore the role of the p38 MAPK pathway in the genesis and progression of malignant brain tumors.
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Affiliation(s)
- Nathália Grave
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Thamiris Becker Scheffel
- Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Fernanda Fernandes Cruz
- Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Liliana Rockenbach
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Márcia Inês Goettert
- Laboratorio de Cultura de Células, Programa de Pós-Graduação em Biotecnologia, Universidade do Vale do Taquari (Univates), Lajeado, Brazil
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Eberhard Karls University of Tübingen, Tübingen, Germany
| | - Stefan Laufer
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, Eberhard Karls University of Tübingen, Tübingen, Germany
| | - Fernanda Bueno Morrone
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratório de Farmacologia Aplicada, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- *Correspondence: Fernanda Bueno Morrone,
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12
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Li S, Xie X, Peng F, Du J, Peng C. Regulation of temozolomide resistance via lncRNAs: Clinical and biological properties of lncRNAs in gliomas (Review). Int J Oncol 2022; 61:101. [PMID: 35796022 PMCID: PMC9291250 DOI: 10.3892/ijo.2022.5391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/10/2022] [Indexed: 11/05/2022] Open
Abstract
Gliomas are a primary types of intracranial malignancies and are characterized by a poor prognosis due to aggressive recurrence profiles. Temozolomide (TMZ) is an auxiliary alkylating agent that is extensively used in conjunction with surgical resection and forms the mainstay of clinical treatment strategies for gliomas. However, the frequent occurrence of TMZ resistance in clinical practice limits its therapeutic efficacy. Accumulating evidence has demonstrated that long non‑coding RNAs (lncRNAs) can play key and varied roles in glioma progression. lncRNAs have been reported to inhibit glioma progression by targeting various signaling pathways. In addition, the differential expression of lncRNAs has also been found to mediate the resistance of glioma to several chemotherapeutic agents, particularly to TMZ. The present review article therefore summarizes the findings of previous studies in an aim to report the significance and function of lncRNAs in regulating the chemoresistance of gliomas. The present review may provide further insight into the clinical treatment of gliomas.
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Affiliation(s)
- Sui Li
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of The Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xiaofang Xie
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
| | - Fu Peng
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of The Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan 610041, P.R. China
- Correspondence to: Dr Fu Peng or Professor Junrong Du, Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of The Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, 17 Renmin South Road, Chengdu, Sichuan 610041, P.R. China, E-mail: , E-mail:
| | - Junrong Du
- Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of The Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan 610041, P.R. China
- Correspondence to: Dr Fu Peng or Professor Junrong Du, Department of Pharmacology, Key Laboratory of Drug-Targeting and Drug Delivery System of The Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, 17 Renmin South Road, Chengdu, Sichuan 610041, P.R. China, E-mail: , E-mail:
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, P.R. China
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13
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Bao JH, Lu WC, Duan H, Ye YQ, Li JB, Liao WT, Li YC, Sun YP. Identification of a novel cuproptosis-related gene signature and integrative analyses in patients with lower-grade gliomas. Front Immunol 2022; 13:933973. [PMID: 36045691 PMCID: PMC9420977 DOI: 10.3389/fimmu.2022.933973] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 07/22/2022] [Indexed: 12/20/2022] Open
Abstract
Background Cuproptosis is a newly discovered unique non-apoptotic programmed cell death distinguished from known death mechanisms like ferroptosis, pyroptosis, and necroptosis. However, the prognostic value of cuproptosis and the correlation between cuproptosis and the tumor microenvironment (TME) in lower-grade gliomas (LGGs) remain unknown. Methods In this study, we systematically investigated the genetic and transcriptional variation, prognostic value, and expression patterns of cuproptosis-related genes (CRGs). The CRG score was applied to quantify the cuproptosis subtypes. We then evaluated their values in the TME, prognostic prediction, and therapeutic responses in LGG. Lastly, we collected five paired LGG and matched normal adjacent tissue samples from Sun Yat-sen University Cancer Center (SYSUCC) to verify the expression of signature genes by quantitative real-time PCR (qRT-PCR) and Western blotting (WB). Results Two distinct cuproptosis-related clusters were identified using consensus unsupervised clustering analysis. The correlation between multilayer CRG alterations with clinical characteristics, prognosis, and TME cell infiltration were observed. Then, a well-performed cuproptosis-related risk model (CRG score) was developed to predict LGG patients' prognosis, which was evaluated and validated in two external cohorts. We classified patients into high- and low-risk groups according to the CRG score and found that patients in the low-risk group showed significantly higher survival possibilities than those in the high-risk group (P<0.001). A high CRG score implies higher TME scores, more significant TME cell infiltration, and increased mutation burden. Meanwhile, the CRG score was significantly correlated with the cancer stem cell index, chemoradiotherapy sensitivity-related genes and immune checkpoint genes, and chemotherapeutic sensitivity, indicating the association with CRGs and treatment responses. Univariate and multivariate Cox regression analyses revealed that the CRG score was an independent prognostic predictor for LGG patients. Subsequently, a highly accurate predictive model was established for facilitating the clinical application of the CRG score, showing good predictive ability and calibration. Additionally, crucial CRGs were further validated by qRT-PCR and WB. Conclusion Collectively, we demonstrated a comprehensive overview of CRG profiles in LGG and established a novel risk model for LGG patients' therapy status and prognosis. Our findings highlight the potential clinical implications of CRGs, suggesting that cuproptosis may be the potential therapeutic target for patients with LGG.
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Affiliation(s)
- Jia-hao Bao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Wei-cheng Lu
- State Key Laboratory of Oncology in Southern China, Department of Anesthesiology, Sun Yat-sen University Cancer Center, Collaborative Innovation for Cancer Medicine, Guangzhou, China
| | - Hao Duan
- Department of Neurosurgery/Neuro-oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Ya-qi Ye
- State Key Laboratory of Oncology in Southern China, Department of Anesthesiology, Sun Yat-sen University Cancer Center, Collaborative Innovation for Cancer Medicine, Guangzhou, China
| | - Jiang-bo Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Wen-ting Liao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China,*Correspondence: Yang-peng Sun, ; Yong-chun Li, ; Wen-ting Liao,
| | - Yong-chun Li
- State Key Laboratory of Oncology in Southern China, Department of Anesthesiology, Sun Yat-sen University Cancer Center, Collaborative Innovation for Cancer Medicine, Guangzhou, China,*Correspondence: Yang-peng Sun, ; Yong-chun Li, ; Wen-ting Liao,
| | - Yang-peng Sun
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China,*Correspondence: Yang-peng Sun, ; Yong-chun Li, ; Wen-ting Liao,
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14
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Xu H, Jin J, Chen Y, Wu G, Zhu H, Wang Q, Wang J, Li S, Grigore FN, Ma J, Chen CC, Lan Q, Li M. GBP3 promotes glioblastoma resistance to temozolomide by enhancing DNA damage repair. Oncogene 2022; 41:3876-3885. [PMID: 35780181 DOI: 10.1038/s41388-022-02397-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 11/09/2022]
Abstract
Glioblastoma is the most common malignant brain cancer with dismal survival and prognosis. Temozolomide (TMZ) is a first-line chemotherapeutic agent for glioblastoma, but the emergence of drug resistance limits its anti-tumor activity. We previously discovered that the interferon inducible guanylate binding protein 3 (GBP3) is highly elevated and promotes tumorigenicity of glioblastoma. Here, we show that TMZ treatment significantly upregulates the expression of GBP3 and stimulator of interferon genes (STING), both of which increase TMZ-induced DNA damage repair and reduce cell apoptosis of glioblastoma cells. Mechanistically, relying on its N-terminal GTPase domain, GBP3 physically interacts with STING to stabilize STING protein levels, which in turn induces expression of p62 (Sequestosome 1), nuclear factor erythroid 2 like 2 (NFE2L2, NRF2), and O6-methlyguanine-DNA-methyltransferase (MGMT), leading to the resistance to TMZ treatment. Reducing GBP3 levels by RNA interference in glioblastoma cells markedly increases the sensitivity to TMZ treatment in vitro and in murine glioblastoma models. Clinically, GBP3 expression is high and positively correlated with STING, NRF2, p62, and MGMT expression in human glioblastoma tumors, and is associated with poor outcomes. These findings provide novel insight into TMZ resistance and suggest that GBP3 may represent a novel potential target for the treatment of glioblastoma.
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Affiliation(s)
- Hui Xu
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China.,Jiangsu Key Laboratory of Neuropsychiatric Disease, Institute of Neuroscience, Soochow University, Suzhou, 215004, Jiangsu, China
| | - Jing Jin
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China
| | - Ying Chen
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China
| | - Guoqing Wu
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China
| | - Hua Zhu
- Department of Pediatrics, The First Hospital of China Medical University, Shenyang, 110122, Liaoning, China
| | - Qing Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China
| | - Ji Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China
| | - Shenggang Li
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China
| | | | - Jun Ma
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Clark C Chen
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Qing Lan
- Department of Neurosurgery, The Second Affiliated Hospital of Soochow University, Soochow University, Suzhou, 215004, Jiangsu, China. .,Jiangsu Key Laboratory of Neuropsychiatric Disease, Institute of Neuroscience, Soochow University, Suzhou, 215004, Jiangsu, China.
| | - Ming Li
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, 55455, USA.
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15
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Shahcheraghi SH, Salemi F, Alam W, Ashworth H, Saso L, Khan H, Lotfi M. The Role of NRF2/KEAP1 Pathway in Glioblastoma: Pharmacological Implications. Med Oncol 2022; 39:91. [PMID: 35568790 DOI: 10.1007/s12032-022-01693-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 02/21/2022] [Indexed: 11/29/2022]
Abstract
Glioblastoma multiforme (GBM) grade IV glioma is the most frequent and deadly intracranial cancer. This tumor is determined by unrestrained progression, uncontroled angiogenesis, high infiltration and weak response to treatment, which is chiefly because of abnormal signaling pathways in the tumor. A member related to the Cap 'n' collar family of keypart-leucine zipper transcription agents-the transcription factor NF-E2-related factor 2 (Nrf2)-regulates adaptive protection answers by organized upregulation of many genes that produce the cytoprotective factors. In reply to cellular pressures types such as stresses, Nrf2 escapes Kelch-like ECH-related protein 1 (Keap1)-facilitated suppression, moves from the cytoplasm towards the nucleus and performs upregulation of gene expression of antioxidant responsive element (ARE). Nrf2 function is related tocontrolling many types of diseases in the human specially GBM tumor.Thus, we will review the epigeneticalregulatory actions on the Nrf2/Keap1 signaling pathway and potential therapeutic options in GBM by aiming the stimulation of Nrf2.
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Affiliation(s)
- Seyed Hossein Shahcheraghi
- Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Medical Genetics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Fateme Salemi
- School of Medicine, Islamic Azad University of Medical Sciences, Yazd, Iran
| | - Waqas Alam
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | | | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University, Rome, Italy
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan.
| | - Marzieh Lotfi
- Department of Medical Genetics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. .,Abortion Research Center, Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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16
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Zhou S, Niu R, Sun H, Kim SH, Jin X, Yin J. The MAP3K1/c-JUN signaling axis regulates glioblastoma stem cell invasion and tumor progression. Biochem Biophys Res Commun 2022; 612:188-195. [PMID: 35567901 DOI: 10.1016/j.bbrc.2022.04.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 04/12/2022] [Indexed: 11/16/2022]
Abstract
Glioblastoma (GBM) stem cells (GSCs) are responsible for GBM initiation, progression, infiltration, standard therapy resistance, and recurrence. However, the mechanisms underlying GSC invasion remain incompletely understood. Using public single-cell RNA-Seq data, we identified MAP3K1 as a master regulator of infiltrative GSCs through c-JUN signaling regulation. MAP3K1 knockdown significantly decreased GSC invasion capacity, proliferation, and stemness in vitro. Moreover, in an orthotopic xenograft model, knockdown of MAP3K1 prominently suppressed GSC infiltration along the corpus callosum and tumor progression and prolonged mouse survival. Mechanistically, MAP3K1 regulates GSC invasion through phosphorylation of downstream c-JUN at serine 63 and 73, as confirmed using the CPTAC phosphoproteome dataset. Furthermore, the c-JUN inhibitor JNK-IN-8 significantly decreased GSC invasion, proliferation, and stemness. Taken together, our study demonstrates that MAP3K1 regulates GSC invasion and tumor progression via activation of c-JUN signaling and indicates that the MAP3K1/c-JUN signaling axis is a therapeutic target for infiltrative GBM.
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Affiliation(s)
- Shuchang Zhou
- Henan Key Laboratory of Brain Targeted Bio-Nanomedicine, School of Life Sciences & School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Rui Niu
- Henan Key Laboratory of Brain Targeted Bio-Nanomedicine, School of Life Sciences & School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Han Sun
- Henan Key Laboratory of Brain Targeted Bio-Nanomedicine, School of Life Sciences & School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng, Henan, 475004, China
| | - Sung-Hak Kim
- Department of Animal Science, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, 61186, Republic of Korea.
| | - Xiong Jin
- Henan Key Laboratory of Brain Targeted Bio-Nanomedicine, School of Life Sciences & School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng, Henan, 475004, China.
| | - Jinlong Yin
- Henan Key Laboratory of Brain Targeted Bio-Nanomedicine, School of Life Sciences & School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China; Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng, Henan, 475004, China.
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17
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Jafari A, Babajani A, Sarrami Forooshani R, Yazdani M, Rezaei-Tavirani M. Clinical Applications and Anticancer Effects of Antimicrobial Peptides: From Bench to Bedside. Front Oncol 2022; 12:819563. [PMID: 35280755 PMCID: PMC8904739 DOI: 10.3389/fonc.2022.819563] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 01/21/2022] [Indexed: 12/24/2022] Open
Abstract
Cancer is a multifaceted global health issue and one of the leading causes of death worldwide. In recent years, medical science has achieved great advances in the diagnosis and treatment of cancer. Despite the numerous advantages of conventional cancer therapies, there are major drawbacks including severe side effects, toxicities, and drug resistance. Therefore, the urgency of developing new drugs with low cytotoxicity and treatment resistance is increasing. Antimicrobial peptides (AMPs) have attracted attention as a novel therapeutic strategy for the treatment of various cancers, targeting tumor cells with less toxicity to normal tissues. In this review, we present the structure, biological function, and underlying mechanisms of AMPs. The recent experimental studies and clinical trials on anticancer peptides in different cancer types as well as the challenges of their clinical application have also been discussed.
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Affiliation(s)
- Ameneh Jafari
- Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Amirhesam Babajani
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ramin Sarrami Forooshani
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
| | - Mohsen Yazdani
- Laboratory of Bioinformatics and Drug Design, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Mostafa Rezaei-Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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18
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Colapietro A, Rossetti A, Mancini A, Martellucci S, Ocone G, Pulcini F, Biordi L, Cristiano L, Mattei V, Delle Monache S, Marampon F, Gravina GL, Festuccia C. Multiple Antitumor Molecular Mechanisms Are Activated by a Fully Synthetic and Stabilized Pharmaceutical Product Delivering the Active Compound Sulforaphane (SFX-01) in Preclinical Model of Human Glioblastoma. Pharmaceuticals (Basel) 2021; 14:1082. [PMID: 34832864 PMCID: PMC8626029 DOI: 10.3390/ph14111082] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 09/23/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022] Open
Abstract
Frequent relapses and therapeutic resistance make the management of glioblastoma (GBM, grade IV glioma), extremely difficult. Therefore, it is necessary to develop new pharmacological compounds to be used as a single treatment or in combination with current therapies in order to improve their effectiveness and reduce cytotoxicity for non-tumor cells. SFX-01 is a fully synthetic and stabilized pharmaceutical product containing the α-cyclodextrin that delivers the active compound 1-isothiocyanato-4-methyl-sulfinylbutane (SFN) and maintains biological activities of SFN. In this study, we verified whether SFX-01 was active in GBM preclinical models. Our data demonstrate that SFX-01 reduced cell proliferation and increased cell death in GBM cell lines and patient-derived glioma initiating cells (GICs) with a stem cell phenotype. The antiproliferative effects of SFX-01 were associated with a reduction in the stemness of GICs and reversion of neural-to-mesenchymal trans-differentiation (PMT) closely related to epithelial-to-mesenchymal trans-differentiation (EMT) of epithelial tumors. Commonly, PMT reversion decreases the invasive capacity of tumor cells and increases the sensitivity to pharmacological and instrumental therapies. SFX-01 induced caspase-dependent apoptosis, through both mitochondrion-mediated intrinsic and death-receptor-associated extrinsic pathways. Here, we demonstrate the involvement of reactive oxygen species (ROS) through mediating the reduction in the activity of essential molecular pathways, such as PI3K/Akt/mTOR, ERK, and STAT-3. SFX-01 also reduced the in vivo tumor growth of subcutaneous xenografts and increased the disease-free survival (DFS) and overall survival (OS), when tested in orthotopic intracranial GBM models. These effects were associated with reduced expression of HIF1α which, in turn, down-regulates neo-angiogenesis. So, SFX-01 may have potent anti-glioma effects, regulating important aspects of the biology of this neoplasia, such as hypoxia, stemness, and EMT reversion, which are commonly activated in this neoplasia and are responsible for therapeutic resistance and glioma recurrence. SFX-01 deserves to be considered as an emerging anticancer agent for the treatment of GBM. The possible radio- and chemo sensitization potential of SFX-01 should also be evaluated in further preclinical and clinical studies.
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Affiliation(s)
- Alessandro Colapietro
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (A.C.); (A.R.); (A.M.); (G.O.); (G.L.G.)
| | - Alessandra Rossetti
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (A.C.); (A.R.); (A.M.); (G.O.); (G.L.G.)
| | - Andrea Mancini
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (A.C.); (A.R.); (A.M.); (G.O.); (G.L.G.)
| | - Stefano Martellucci
- Biomedicine and Advanced Technologies Rieti Center, Sabina Universitas, 02100 Rieti, Italy; (S.M.); (V.M.)
- Laboratory of Vascular Biology and Stem Cells, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (F.P.); (S.D.M.)
| | - Giuseppe Ocone
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (A.C.); (A.R.); (A.M.); (G.O.); (G.L.G.)
| | - Fanny Pulcini
- Laboratory of Vascular Biology and Stem Cells, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (F.P.); (S.D.M.)
| | - Leda Biordi
- Laboratory of Medical Oncology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Loredana Cristiano
- Department of Clinical Medicine, Public Health, Division of Human Anatomy, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Vincenzo Mattei
- Biomedicine and Advanced Technologies Rieti Center, Sabina Universitas, 02100 Rieti, Italy; (S.M.); (V.M.)
| | - Simona Delle Monache
- Laboratory of Vascular Biology and Stem Cells, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (F.P.); (S.D.M.)
| | - Francesco Marampon
- Department of Radiological, Oncological and Pathological Sciences, La Sapienza University of Rome, 00185 Rome, Italy;
| | - Giovanni Luca Gravina
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (A.C.); (A.R.); (A.M.); (G.O.); (G.L.G.)
- Department of Biotechnological and Applied Clinical Sciences, Division of Radiotherapy, University of L’Aquila, 67100 L’Aquila, Italy
| | - Claudio Festuccia
- Laboratory of Radiobiology, Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (A.C.); (A.R.); (A.M.); (G.O.); (G.L.G.)
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Liu H, Johnston LJ, Wang F, Ma X. Triggers for the Nrf2/ARE Signaling Pathway and Its Nutritional Regulation: Potential Therapeutic Applications of Ulcerative Colitis. Int J Mol Sci 2021; 22:ijms222111411. [PMID: 34768841 PMCID: PMC8583850 DOI: 10.3390/ijms222111411] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023] Open
Abstract
Ulcerative colitis (UC), which affects millions of people worldwide, is characterized by extensive colonic injury involving mucosal and submucosal layers of the colon. Nuclear factor E2-related factor 2 (Nrf2) plays a critical role in cellular protection against oxidant-induced stress. Antioxidant response element (ARE) is the binding site recognized by Nrf2 and leads to the expression of phase II detoxifying enzymes and antioxidant proteins. The Nrf2/ARE system is a key factor for preventing and resolving tissue injury and inflammation in disease conditions such as UC. Researchers have proposed that both Keap1-dependent and Keap1-independent cascades contribute positive effects on activation of the Nrf2/ARE pathway. In this review, we summarize the present knowledge on mechanisms controlling the activation process. We will further review nutritional compounds that can modulate activation of the Nrf2/ARE pathway and may be used as potential therapeutic application of UC. These comprehensive data will help us to better understand the Nrf2/ARE signaling pathway and promote its effective application in response to common diseases induced by oxidative stress and inflammation.
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Affiliation(s)
- Hu Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (H.L.); (F.W.)
| | - Lee J. Johnston
- Swine Nutrition and Production, West Central Research and Outreach Center, University of Minnesota, Morris, MN 56267, USA;
| | - Fenglai Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (H.L.); (F.W.)
| | - Xi Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (H.L.); (F.W.)
- Correspondence:
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20
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He C, Lu S, Wang XZ, Wang CC, Wang L, Liang SP, Luo TF, Wang ZC, Piao MH, Chi GF, Ge PF. FOXO3a protects glioma cells against temozolomide-induced DNA double strand breaks via promotion of BNIP3-mediated mitophagy. Acta Pharmacol Sin 2021; 42:1324-1337. [PMID: 33879840 PMCID: PMC8285492 DOI: 10.1038/s41401-021-00663-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 03/17/2021] [Indexed: 02/02/2023] Open
Abstract
FOXO3a (forkhead box transcription factor 3a) is involved in regulating multiple biological processes in cancer cells. BNIP3 (Bcl-2/adenovirus E1B 19-kDa-interacting protein 3) is a receptor accounting for priming damaged mitochondria for autophagic removal. In this study we investigated the role of FOXO3a in regulating the sensitivity of glioma cells to temozolomide (TMZ) and its relationship with BNIP3-mediated mitophagy. We showed that TMZ dosage-dependently inhibited the viability of human U87, U251, T98G, LN18 and rat C6 glioma cells with IC50 values of 135.75, 128.26, 142.65, 155.73 and 111.60 μM, respectively. In U87 and U251 cells, TMZ (200 μM) induced DNA double strand breaks (DSBs) and nuclear translocation of apoptosis inducing factor (AIF), which was accompanied by BNIP3-mediated mitophagy and FOXO3a accumulation in nucleus. TMZ treatment induced intracellular ROS accumulation in U87 and U251 cells via enhancing mitochondrial superoxide, which not only contributed to DNA DSBs and exacerbated mitochondrial dysfunction, but also upregulated FOXO3a expression. Knockdown of FOXO3a aggravated TMZ-induced DNA DSBs and mitochondrial damage, as well as glioma cell death. TMZ treatment not only upregulated BNIP3 and activated autophagy, but also triggered mitophagy by prompting BNIP3 translocation to mitochondria and reinforcing BNIP3 interaction with LC3BII. Inhibition of mitophagy by knocking down BNIP3 with SiRNA or blocking autophagy with 3MA or bafilomycin A1 exacerbated mitochondrial superoxide and intracellular ROS accumulation. Moreover, FOXO3a knockdown inhibited TMZ-induced BNIP3 upregulation and autophagy activation. In addition, we showed that treatment with TMZ (100 mg·kg-1·d-1, ip) for 12 days in C6 cell xenograft mice markedly inhibited tumor growth accompanied by inducing FOXO3a upregulation, oxidative stress and BNIP3-mediated mitophagy in tumor tissues. These results demonstrate that FOXO3a attenuates temozolomide-induced DNA double strand breaks in human glioma cells via promoting BNIP3-mediated mitophagy.
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Affiliation(s)
- Chuan He
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Shan Lu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Xuan-Zhong Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Chong-Cheng Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Lei Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Shi-Peng Liang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Tian-Fei Luo
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
- Department of Neurology, First Hospital of Jilin University, Changchun, 130021, China
| | - Zhen-Chuan Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Mei-Hua Piao
- Department of Anesthesiology, First hospital of Jilin University, Changchun, 130021, China
| | - Guang-Fan Chi
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, China
| | - Peng-Fei Ge
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China.
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China.
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21
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Combination of p38 MAPK inhibitor with PD-L1 antibody effectively prolongs survivals of temozolomide-resistant glioma-bearing mice via reduction of infiltrating glioma-associated macrophages and PD-L1 expression on resident glioma-associated microglia. Brain Tumor Pathol 2021; 38:189-200. [PMID: 34231121 DOI: 10.1007/s10014-021-00404-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/14/2021] [Indexed: 01/22/2023]
Abstract
Current conventional treatment strategies for glioblastoma (GBM) have limited efficacy due to the rapid development of resistance to temozolomide (TMZ). It is particularly urgent to develop novel therapeutic strategies that can overcome TMZ resistance and provide patients with better prognoses. Here, a TMZ-resistant GBM cell strain and a mouse model of TMZ resistance are established as valuable tools to explore novel therapeutic strategies against TMZ resistance. Experimentally, p38MAPK inhibitor reduces the accumulation of F4/80+/CD11b+ macrophages/microglia in glioma and prolongs the survivals of glioma-bearing mice. Glioma-associated macrophages/microglia have a significanct expression of PD-L1. p38MAPK inhibitor in combination with PD-L1 antibody can effectively prolongs the survivals of TMZ-resistant GBM-bearing hosts, and differentially reduces the accumulation of circulating monocytes-derived tumor-associated macrophages and PD-L1 abundances of resident glioma-associated microglia. This combination therapy could be a treatment option for patients at the recurrence or chronic TMZ maintenance stages. A clinical study to confirm the safety and effectiveness of this combination therapy is warranted.
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22
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Zhao L, Wang Y, Xu Y, Sun Q, Liu H, Chen Q, Liu B. BIRB796, an Inhibitor of p38 Mitogen-Activated Protein Kinase, Inhibits Proliferation and Invasion in Glioblastoma Cells. ACS OMEGA 2021; 6:11466-11473. [PMID: 34056302 PMCID: PMC8154025 DOI: 10.1021/acsomega.1c00521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
Glioblastoma (GBM) is the most common malignant tumor, and it is characterized by high cellular proliferation and invasion in the central nervous system of adults. Due to its high degree of heterogeneity and mortality, there is no effective therapy for GBM. In our study, we investigated the effect of the p38-MAPK signaling pathway inhibitor BIRB796 on GBM cells. Cell Counting Kit-8 (CCK-8) assay, 5-ethynyl-2'-deoxyuridine (EDU) staining, and cell cycle distribution analysis were performed, and the results showed that BIRB796 decreased proliferation in U87 and U251 cells. Moreover, wound healing and invasion assays were performed, which showed that BIRB796 inhibited the migration and invasion of human GBM cells. We found that BIRB796 treatment significantly decreased the formation of the cytoskeleton and thus downregulated the movement ability of the cells, as shown by phalloidin staining and vimentin immunofluorescence staining. Real-time polymerase chain reaction showed that the mRNA levels of MMP-2, Vimentin, CyclinD1, and Snail-1 were downregulated. Consistently, the expressions of MMP-2, Vimentin, CyclinD1, and p-p38 were also decreased after BIRB796 treatment. Taken together, all our results demonstrated that BIRB796 could play an antitumor role by inhibiting the proliferation and invasion in GBM cells. Thus, BIRB796 may be used as an adjuvant therapy to improve the therapeutic efficacy of GBM treatment.
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Affiliation(s)
- Linyao Zhao
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Yixuan Wang
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Yang Xu
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Qian Sun
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Hao Liu
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Qianxue Chen
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Baohui Liu
- Department
of Neurosurgery, Renmin Hospital of Wuhan
University, Hubei 430060, China
- Central
Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
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LncRNA NEAT1 promotes malignant phenotypes and TMZ resistance in glioblastoma stem cells by regulating let-7g-5p/MAP3K1 axis. Biosci Rep 2021; 40:226679. [PMID: 33057597 PMCID: PMC7601351 DOI: 10.1042/bsr20201111] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 09/16/2020] [Accepted: 10/07/2020] [Indexed: 12/14/2022] Open
Abstract
Glioblastoma multiforme (GBM) is one of the most malign brain tumors in adults. Temozolomide (TMZ) is an oral chemotherapy drug constituting the backbone of chemotherapy regimens utilized as first-line treatment of GBM. However, resistance to TMZ often leads to treatment failure. In the present study, we explored the expression and related mechanisms of nuclear enriched abundant transcript 1 (NEAT1) in glioma stem cells (GSCs). Quantitative real-time PCR (qRT-PCR) showed that NEAT1 was up-regulated in serum samples of GBM patients and GSCs isolated from U87, U251 cell lines. Functional experiments showed that NEAT1 knockdown restrained malignant behaviors of GSC, including proliferation, migration and invasion. Dual-luciferase assays identified let-7g-5p was a downstream target and negatively adjusted by NEAT1. Restoration of let-7g-5p impeded tumor progression by inhibiting proliferation, migration and invasion. Mitogen-activated protein kinase kinase kinase 1 (MAP3K1), as a direct target of let-7g-5p, was positively regulated by NEAT1 and involved to affect the regulation of NEAT1 on GSCs' behaviors. In conclusion, our results suggested that NEAT1 promoted GSCs progression via NEAT1/let-7g-5p/MAP3K1 axis, which provided a depth insight into TMZ resistance mechanism.
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Dong Z, Bian L, Wang YL, Sun LM. Gastrodin protects against high glucose-induced cardiomyocyte toxicity via GSK-3β-mediated nuclear translocation of Nrf2. Hum Exp Toxicol 2021; 40:1584-1597. [PMID: 33764184 DOI: 10.1177/09603271211002885] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Diabetic cardiomyopathy (DCM) is one of the major complications of diabetes that causes mortality and morbidity in diabetic patients. Gastrodin (GSTD) is a bioactive phenolic glucoside component of an ancient Chinese herb Tianma (Gastrodia elata Bl.), which is widely used for cardiovascular and cerebrovascular diseases by ancient Chinese. Up to now, whether GSTD has a beneficial effect on DCM is unclear. Therefore, this study aimed to investigate the effect of GSTD on high glucose-induced injury in H9c2 rat cardiomyocytes and HL-1 mouse cardiomyocytes, and its underlying mechanisms. High glucose (33 mM) treatment caused cardiomyocyte toxicity, oxidative stress and apoptosis in both H9c2 and HL-1 cells. Under both normal (5.5 mM glucose) and high glucose conditions, GSTD showed protective effect against high glucose-induced cytotoxicity and promoted the nuclear translocation of Nrf2 in a concentration and time-dependent manner in H9c2 and HL-1 cells. Knockdown of Nrf2 expression using siRNA specifically targeting Nrf2 attenuated the protective effect of GSTD. Furthermore, GSTD promoted the nuclear translocation of Nrf2 via activating glycogen synthase kinse-3β (GSK-3β) signaling pathway. 4-benzyl, 2-methyl, 1, 2, 4-thiadiazolidine, 3, 5 dione (TDZD-8), an inhibitor of GSK-3β, inhibited the nuclear translocation of Nrf2 induced by GSTD, and attenuated the protective effect of GSTD as Nrf2 knockdown did. In summary, GSTD could protect against high glucose-induced cardiomyocyte toxicity via GSK-3β-mediated nuclear translocation of Nrf2.
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Affiliation(s)
- Z Dong
- Department of Vasculocardiology, The Second People's Hospital of Lianyungang, Lianyungang, Jiangsu, People's Republic of China
| | - L Bian
- Department of Vasculocardiology, The Second People's Hospital of Lianyungang, Lianyungang, Jiangsu, People's Republic of China
| | - Y-L Wang
- Department of Vasculocardiology, The Second People's Hospital of Lianyungang, Lianyungang, Jiangsu, People's Republic of China
| | - L-M Sun
- Department of Vasculocardiology, The Second People's Hospital of Lianyungang, Lianyungang, Jiangsu, People's Republic of China
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25
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Xiao C, Xu C, He N, Liu Y, Wang Y, Zhang M, Ji K, Du L, Wang J, Wang Q, Liu Q. Atractylenolide II prevents radiation damage via MAPKp38/Nrf2 signaling pathway. Biochem Pharmacol 2020; 177:114007. [DOI: 10.1016/j.bcp.2020.114007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/21/2020] [Indexed: 01/15/2023]
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26
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Song C, Heping H, Shen Y, Jin S, Li D, Zhang A, Ren X, Wang K, Zhang L, Wang J, Shi D. AMPK/p38/Nrf2 activation as a protective feedback to restrain oxidative stress and inflammation in microglia stimulated with sodium fluoride. CHEMOSPHERE 2020; 244:125495. [PMID: 31837563 DOI: 10.1016/j.chemosphere.2019.125495] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/21/2019] [Accepted: 11/26/2019] [Indexed: 06/10/2023]
Abstract
Dysregulated activation of inflammation plays an important role in the development and progression of neuronal damage, and limiting the production of reactive oxygen species (ROS) can suppress the inflammatory signals. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a redox-sensing transcription factor that drives an adaptive cellular defense in response to oxidative stress. However, the implications of Nrf2 in sodium fluoride (NaF)-stimulated microglia and the underlying mechanisms remain obscure. In this study, we demonstrated that NaF activated the Nrf2 signaling and enhanced the downstream antioxidant protein levels, including heme oxygenase-1 and quinine oxidoreductase 1. NaF induced oxidative stress, as indicated by increased ROS level and malondialdehyde content, and reduced superoxide dismutase activity. Moreover, NaF promoted the nuclear translocation of NF-κB, thus increased the production of the pro-inflammatory cytokines tumor necrosis factor-α, interleukin (IL)-6, and IL-1β. However, these effects were relieved by overexpression of Nrf2. Meanwhile, knockdown of Nrf2 by shRNA exacerbated NaF-induced oxidative stress and inflammation in BV-2 cells and primary cultured microglia. Mechanistically, NaF-induced Nrf2 activation is AMPK/p38 dependent, as deletion of AMPK using siRNA blocked the activating effect of NaF on p38 and Nrf2. Notably, treatment of N-Acety-l-Cysteine attenuated AMPK/p38-dependent Nrf2 activation in microglia exposed to NaF. In conclusion, these data demonstrated for the first time that Nrf2 activation exerts a neuroprotective effect on NaF-stimulated redox imbalance and inflammation that is dependent on the AMPK/p38 pathway.
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Affiliation(s)
- Chao Song
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Huangfu Heping
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Yongshu Shen
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Shuangxing Jin
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Deyin Li
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Aiguo Zhang
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Xiaoli Ren
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Kunli Wang
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Lei Zhang
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China
| | - Jundong Wang
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China; Shanxi Key Laboratory of Ecological Animal Sciences and Environmental Veterinary Medicine, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China.
| | - Dongmei Shi
- Zhengzhou Key Laboratory of Animal Nutrition Metabolic and Poisoning Diseases, College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, 450000, People's Republic of China.
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The Role of Nrf2 Activity in Cancer Development and Progression. Cancers (Basel) 2019; 11:cancers11111755. [PMID: 31717324 PMCID: PMC6896028 DOI: 10.3390/cancers11111755] [Citation(s) in RCA: 160] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/03/2019] [Accepted: 11/05/2019] [Indexed: 12/15/2022] Open
Abstract
Nrf2 is a transcription factor that stimulates the expression of genes which have antioxidant response element-like sequences in their promoter. Nrf2 is a cellular protector, and this principle applies to both normal cells and malignant cells. While healthy cells are protected from DNA damage induced by reactive oxygen species, malignant cells are defended against chemo- or radiotherapy. Through our literature search, we found that Nrf2 activates several oncogenes unrelated to the antioxidant activity, such as Matrix metallopeptidase 9 (MMP-9), B-cell lymphoma 2 (BCL-2), B-cell lymphoma-extra large (BCL-xL), Tumour Necrosis Factor α (TNF-α), and Vascular endothelial growth factor A (VEGF-A). We also did a brief analysis of The Cancer Genome Atlas (TCGA) data of lung adenocarcinoma concerning the effects of radiation therapy and found that the therapy-induced Nrf2 activation is not universal. For instance, in the case of recurrent disease and radiotherapy, we observed that, for the majority of Nrf2-targeted genes, there is no change in expression level. This proves that the universal, axiomatic rationale that Nrf2 is activated as a response to chemo- and radiation therapy is wrong, and that each scenario should be carefully evaluated with the help of Nrf2-targeted genes. Moreover, there were nine genes involved in lipid peroxidation, which showed underexpression in the case of new radiation therapy: ADH1A, ALDH3A1, ALDH3A2, ADH1B, GPX2, ADH1C, ALDH6A1, AKR1C3, and NQO1. This may relate to the fact that, while some studies reported the co-activation of Nrf2 and other oncogenic signaling pathways such as Phosphoinositide 3-kinases (PI3K), mitogen-activated protein kinase (MAPK), and Notch1, other reported the inverse correlation between Nrf2 and the tumor-promoter Transcription Factor (TF), Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB). Lastly, Nrf2 establishes its activity through interactions at multiple levels with various microRNAs. MiR-155, miR-144, miR-28, miR-365-1, miR-93, miR-153, miR-27a, miR-142, miR-29-b1, miR-340, and miR-34a, either through direct repression of Nrf2 messenger RNA (mRNA) in a Kelch-like ECH-associated protein 1 (Keap1)-independent manner or by enhancing the Keap1 cellular level, inhibit the Nrf2 activity. Keap1–Nrf2 interaction leads to the repression of miR-181c, which is involved in the Nuclear factor kappa light chain enhancer of activated B cells (NF-κB) signaling pathway. Nrf2’s role in cancer prevention, diagnosis, prognosis, and therapy is still in its infancy, and the future strategic planning of Nrf2-based oncological approaches should also consider the complex interaction between Nrf2 and its various activators and inhibitors.
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Pharmacological inhibition of p38 potentiates antimicrobial peptide TP4-induced cell death in glioblastoma cells. Mol Cell Biochem 2019; 464:1-9. [PMID: 31673920 DOI: 10.1007/s11010-019-03643-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 10/23/2019] [Indexed: 12/24/2022]
Abstract
Glioblastoma is the most common and deadly type of brain cancer. The poor prognosis may be largely attributed to inadequate disease response to current chemotherapeutic agents. Activation of p38 is associated with deleterious outcomes in glioblastoma patients, as its signaling mediates chemoresistance mechanisms. Antimicrobial peptide tilapia piscidin (TP) 4 was identified from Nile tilapia (Oreochromis niloticus) and exhibits strong bactericidal effects on Gram-positive and Gram-negative bacteria. TP4 also has anticancer activity toward human triple-negative breast cancer cells and glioblastoma cells. In the present study, we tested the cytotoxic effects of combined TP4 and p38 inhibitors on glioblastoma U251 cells. We found that the combination of TP4 and p38 inhibitors (SB202190 and VX-745) enhanced cytotoxicity in U251 glioblastoma cells but not noncancerous neural cells. Cytotoxicity from the combination treatments proceeded via necrosis and not apoptosis. Mechanistically, SB202190 potentiated TP4-induced mitochondrial dysfunction, reactive oxygen species generation and unbalanced antioxidant status, which resulted in necrotic cell death. Thus, we demonstrated for the first time that combinations of TP4 and p38 inhibitors have the potential to preferentially target glioblastoma cells, while sparing noncancerous neural cells.
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29
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Ni Q, Fan Y, Zhang X, Fan H, Li Y. In vitro and in vivo Study on Glioma Treatment Enhancement by Combining Temozolomide with Calycosin and Formononetin. JOURNAL OF ETHNOPHARMACOLOGY 2019; 242:111699. [PMID: 31005632 DOI: 10.1016/j.jep.2019.01.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/17/2019] [Accepted: 01/20/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Astragalina alpestris is a traditional Chinese herbal medicine with anti-inflammatory, anti-immune, anti-tumor and other pharmacological effects. Calycosin and formononetin (FMN) are two natural compounds isolated from astragalus. It has been shown that calycosin and FMN are active anti-tumor ingredient. AIM OF THE STUDY The aim of this current work was to study the therapeutic enhancement of temozolomide (TMZ) on gliomavia combining with calycosin and FMN. MATERIALS AND METHODS The effect of co-administration via hematoxylin-eosin staining (HE staining) was determined by measuring cell proliferation toxicity with the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide, Thiazolyl Blue Tetrazolium Bromide (MTT) assay and sequentially observing the cell morphology. To synchronously explore the effect of migration on C6, transwell assay and wound healing assay were performed. Apoptosis was measured by Annexin V/propidium iodide (PI) staining. Meanwhile, western blot was used to investigate proteins involved in the mechanisms for migration and apoptosis. Furthermore, HE staining and immunohistochemistry were also analyzed for curative effect in vivo. RESULTS The efficacy of TMZ on glioma could be enhanced by combining with calycosin and FMN through inhibiting the proliferation and migration of glioma cells and promoting their apoptosis. Western blot assays indicated that expression of apoptotic proteins (Bcl-2 Associated XProtein (Bax), Cleaved Caspase-3, Cleaved Caspase-9) were up-regulated. Anti-apoptotic protein (B-cell lymphoma-2,Bcl-2) was down-regulated. The migratory proteins (Matrix metallopeptidase 2, 9, MMP-2, MMP-9) was downregulated. In vivo study, this kind of co-administration (calycosin, FMN, and TMZ) exhibited the marked therapeutic effect on glioma. CONCLUSIONS This study has identified that calycosin and FMN can increase the treatment effect of TMZ in vitro and in vivo. These attractive features substantially broadened the application range of TMZ as a glioma treatment medicine.
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Affiliation(s)
- Qi Ni
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China
| | - Yani Fan
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China
| | - Xiong Zhang
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China
| | - Hongwei Fan
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China.
| | - Yingbin Li
- Department of Neurosurgery, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210011, China.
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Tsuji S, Ohno Y, Nakamura S, Yamada T, Noda Y, Saio M, Iwama T, Shimazawa M, Hara H. Temozolomide has anti-tumor effects through the phosphorylation of cPLA 2 on glioblastoma cells. Brain Res 2019; 1723:146396. [PMID: 31442413 DOI: 10.1016/j.brainres.2019.146396] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 08/09/2019] [Accepted: 08/19/2019] [Indexed: 11/18/2022]
Abstract
Temozolomide is an alkylating agent used as the first line of treatment for glioblastoma. However, chemoresistance to temozolomide is common in glioma patients. In addition, there are likely many unknown mechanisms for the anti-tumor effects of temozolomide. It is known that an alkylating agent, sulfur mustard, activates cytosolic phospholipase A2 (cPLA₂) releasing arachidonic acid to suppress tumors. The present study was performed to elucidate the involvement of cPLA2 in the anti-tumor mechanisms of temozolomide. In three glioblastoma cell lines (GL261, U251MG and T98G), we performed several evaluations including cell viability, cell migration and apoptosis, to study temozolomide-induced anti-tumor effects. Further, we evaluated tumor size in the murine orthotropic glioblastoma model after oral administration of temozolomide. Finally, we investigated the phosphorylation of cPLA2 in GL261 cells treated with temozolomide, and clarified whether phosphorylation of cPLA2 affects cell growth. Temozolomide suppressed cell growth and cell migration in glioblastoma cells in vitro and showed anti-tumor effect in the murine orthotopic glioblastoma model in vivo. Furthermore, temozolomide increased phosphorylation of cPLA2, which was associated with suppression of cell growth. However, in MGMT high-expressing glioblastoma T98G cells, temozolomide could not suppress cell growth or cause phosphorylation of cPLA2. These findings indicate that temozolomide suppressed cell growth partly by phosphorylation of cPLA2 in glioblastoma cells. In addition, because temozolomide did not cause phosphorylation of cPLA2 in MGMT high-expressing glioblastoma T98G cells, phosphorylation of cPLA2 may be caused by DNA alkylation of temozolomide.
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Affiliation(s)
- Shohei Tsuji
- Molecular Pharmacology, Department of Biofunctional Evaluation, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Yuta Ohno
- Department of Pharmacology, Asahi University School of Dentistry, 1851-1 Hozumi, Gifu 501-0023, Japan
| | - Shinsuke Nakamura
- Molecular Pharmacology, Department of Biofunctional Evaluation, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tetsuya Yamada
- Molecular Pharmacology, Department of Biofunctional Evaluation, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan; Department of Neurosurgery, Gifu University School of Medicine, 1-1 Yanagido, Gifu 501-1194, Japan
| | - Yasuhiro Noda
- Molecular Pharmacology, Department of Biofunctional Evaluation, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Masanao Saio
- Graduate School of Health Sciences, Gunma University, 3-39-22 Showa-machi, Maebashi, Gunma 371-8514, Japan
| | - Toru Iwama
- Department of Neurosurgery, Gifu University School of Medicine, 1-1 Yanagido, Gifu 501-1194, Japan
| | - Masamitsu Shimazawa
- Molecular Pharmacology, Department of Biofunctional Evaluation, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hideaki Hara
- Molecular Pharmacology, Department of Biofunctional Evaluation, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
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Tavakkoli A, Iranshahi M, Hasheminezhad SH, Hayes AW, Karimi G. The neuroprotective activities of natural products through the Nrf2 upregulation. Phytother Res 2019; 33:2256-2273. [DOI: 10.1002/ptr.6427] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 05/28/2019] [Accepted: 06/10/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Alireza Tavakkoli
- Department of Pharmacognosy, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
| | - Mehrdad Iranshahi
- Biotechnology Research Center, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
| | - S. Hossein Hasheminezhad
- Student Research Committee, School of PharmacyMashhad University of Medical Sciences Mashhad Iran
| | - A. Wallace Hayes
- Institute for Integrative ToxicologyUniversity of South Florida Tampa Florida
- Institute for Integrative ToxicologyMichigan State University East Lansing Michigan
| | - Gholamreza Karimi
- Pharmaceutical Research Center, Pharmaceutical Technology InstituteMashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School PharmacyMashhad University of Medical Sciences Mashhad Iran
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Caffeic acid phenethyl ester protects against oxidative stress and dampens inflammation via heme oxygenase 1. Int J Oral Sci 2019; 11:6. [PMID: 30783082 PMCID: PMC6381107 DOI: 10.1038/s41368-018-0039-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 06/18/2018] [Accepted: 07/16/2018] [Indexed: 12/17/2022] Open
Abstract
Periodontal disease is associated with chronic oxidative stress and inflammation. Caffeic acid phenethyl ester (CAPE), which is a potent inducer of heme oxygenase 1 (HO1), is a central active component of propolis, and the application of propolis improves periodontal status in diabetic patients. Here, primary murine macrophages were exposed to CAPE. Target gene expression was assessed by whole-genome microarray, RT-PCR and Western blotting. The antioxidative and anti-inflammatory activities of CAPE were examined by exposure of the cells to hydrogen peroxide, saliva and periodontal pathogens. The involvement of HO1 was investigated with the HO1 inhibitor tin protoporphyrin (SnPP) and knockout mice for Nrf2, which is a transcription factor for detoxifying enzymes. CAPE increased HO1 and other heat shock proteins in murine macrophages. A p38 MAPK inhibitor and Nrf2 knockout attenuated CAPE-induced HO1 expression in macrophages. CAPE exerted strong antioxidative activity. Additionally, CAPE reduced the inflammatory response to saliva and periodontal pathogens. Blocking HO1 decreased the antioxidative activity and attenuated the anti-inflammatory activity of CAPE. In conclusion, CAPE exerted its antioxidative effects through the Nrf2-mediated HO1 pathway and its anti-inflammatory effects through NF-κB inhibition. However, preclinical models evaluating the use of CAPE in periodontal inflammation are necessary in future studies. Propolis, also known as ‘honeybee glue,’ may protect teeth and gums against periodontal disease. In periodontal disease, chronic inflammation and oxidative damage harm gum tissue and lead to tooth loss; propolis has been shown to improve periodontal health for patients with diabetes. Bees make propolis by mixing beeswax, honey, plant resins and their own saliva, and use it to patch honeycomb and prevent growth of microbes in the hive. Reinhard Gruber of the Department of Oral Biology at the Medical University of Vienna and of the Department of Periodontology, University of Bern and co-workers investigated the effects of one of propolis’ active ingredients, caffeic acid phenethyl ester (CAPE), on oxidative stress and inflammation. They found that CAPE reduced oxidative damage and dampened inflammation; further investigation revealed the genetic basis of the beneficial effects, paving the way for future clinical studies. These results may help identify alternative treatments for periodontal disease.
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Xiao X, Song D, Cheng Y, Hu Y, Wang F, Lu Z, Wang Y. Biogenic nanoselenium particles activate Nrf2‐ARE pathway by phosphorylating p38, ERK1/2, and AKT on IPEC‐J2 cells. J Cell Physiol 2018; 234:11227-11234. [DOI: 10.1002/jcp.27773] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 10/30/2018] [Indexed: 01/28/2023]
Affiliation(s)
- Xiao Xiao
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
| | - Deguang Song
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
| | - Yuanzhi Cheng
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
| | - Yuhan Hu
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
| | - Fengqin Wang
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
| | - Zeqing Lu
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
| | - Yizhen Wang
- National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Zhejiang University Hangzhou China
- Key Laboratory of Feed and Animal Nutrition of Zhejiang Province, Ministry of Agriculture, Institute of Feed Science, Zhejiang University Hangzhou China
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Nicotine and Cotinine Inhibit Catalase and Glutathione Reductase Activity Contributing to the Impaired Osteogenesis of SCP-1 Cells Exposed to Cigarette Smoke. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:3172480. [PMID: 30533170 PMCID: PMC6250005 DOI: 10.1155/2018/3172480] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 08/20/2018] [Accepted: 08/29/2018] [Indexed: 01/13/2023]
Abstract
Cigarette smoking has been identified as a major risk factor for osteoporosis decades ago. Several studies have shown a direct relationship between cigarette smoking, decreased bone mineral density, and impaired fracture healing. However, the mechanisms behind impaired fracture healing and cigarette smoking are yet to be elucidated. Migration and osteogenesis of mesenchymal stem/stromal cells (MSCs) into the fracture site play a vital role in the process of fracture healing. In human nicotine, the most pharmacologically active and major addictive component present in tobacco gets rapidly metabolized to the more stable cotinine. This study demonstrates that physiological concentrations of both nicotine and cotinine do not affect the osteogenic differentiation of MSCs. However, cigarette smoke exposure induces oxidative stress by increasing superoxide radicals and reducing intracellular glutathione in MSCs, negatively affecting osteogenic differentiation. Although, not actively producing reactive oxygen species (ROS) nicotine and cotinine inhibit catalase and glutathione reductase activity, contributing to an accumulation of ROS by cigarette smoke exposure. Coincubation with N-acetylcysteine or L-ascorbate improves impaired osteogenesis caused by cigarette smoke exposure by both activation of nuclear factor erythroid 2-related factor 2 (Nrf2) signaling and scavenging of ROS, which thus might represent therapeutic targets to support fracture healing in smokers.
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Onyiah JC, Schaefer REM, Colgan SP. A Central Role for Heme Oxygenase-1 in the Control of Intestinal Epithelial Chemokine Expression. J Innate Immun 2018; 10:228-238. [PMID: 29791903 DOI: 10.1159/000488914] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 03/30/2018] [Indexed: 12/15/2022] Open
Abstract
In mucosal inflammatory disorders, the protective influence of heme oxygenase-1 (HO-1) and its metabolic byproducts, carbon monoxide (CO) and biliverdin, is a topic of significant interest. Mechanisms under investigation include the regulation of macrophage function and mucosal cytokine expression. While there is an increasing recognition of the importance of epithelial-derived factors in the maintenance of intestinal mucosal homeostasis, the contribution of intestinal epithelial cell (IEC) HO-1 on inflammatory responses has not previously been investigated. We examined the influence of modulating HO-1 expression on the inflammatory response of human IECs. Engineered deficiency of HO-1 in Caco-2 and T84 IECs led to increased proinflammatory chemokine expression in response to pathogenic bacteria and inflammatory cytokine stimulation. Crosstalk with activated leukocytes also led to increased chemokine expression in HO-1-deficient cells in an IL-1β dependent manner. Treatment of Caco-2 cells with a pharmacological inducer of HO-1 led to the inhibition of chemokine expression. Mechanistic studies suggest that HO-1 and HO-1-related transcription factors, but not HO-1 metabolic products, are partly responsible for the influence of HO-1 on chemokine expression. In conclusion, our data identify HO-1 as a central regulator of IEC chemokine expression that may contribute to homeo-stasis in the intestinal mucosa.
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36
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Li K, Ouyang L, He M, Luo M, Cai W, Tu Y, Pi R, Liu A. IDH1 R132H mutation regulates glioma chemosensitivity through Nrf2 pathway. Oncotarget 2018; 8:28865-28879. [PMID: 28427200 PMCID: PMC5438698 DOI: 10.18632/oncotarget.15868] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 02/13/2017] [Indexed: 12/13/2022] Open
Abstract
Purpose Numerous studies have reported that glioma patients with isocitrate dehydrogenase 1(IDH1) R132H mutation are sensitive to temozolomide treatment. However, the mechanism of IDH1 mutations on the chemosensitivity of glioma remains unclear. In this study, we investigated the role and the potential mechanism of Nrf2 in IDH1 R132H-mediated drug resistance. Methods Wild type IDH1 (R132H-WT) and mutant IDH1 (R132H) plasmids were constructed. Stable U87 cells and U251 cells overexpressing IDH1 were generated. Phenotypic differences between IDH1-WT and IDH1 R132H overexpressing cells were evaluated using MTT, cell colony formation assay, scratch test assay and flow cytometry. Expression of IDH1 and its associated targets, nuclear factor-erythroid 2-related factor 2 (Nrf2), NAD(P)H quinine oxidoreductase 1 (NQO1), multidrug resistant protein 1 (MRP1) and p53 were analyzed. Results The IDH1 R132H overexpressing cells were more sensitive to temozolomide than WT and the control, and Nrf2 was significantly decreased in IDH1 R132H overexpressing cells. We found that knocking down Nrf2 could decrease resistance to temozolomide. The nuclear translocation of Nrf2 in IDH1 R132H overexpressing cells was lower than the WT and the control groups after temozolomide treatment. When compared with WT cells, NQO1 expression was reduced in IDH1 R132H cells, especially after temozolomide treatment. P53 was involved in the resistance mechanism of temozolomide mediated by Nrf2 and NQO1. Conclusions Nrf2 played an important role in IDH1 R132H-mediated drug resistance. The present study provides new insight for glioma chemotherapy with temozolomide.
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Affiliation(s)
- Kaishu Li
- Department of Neurosurgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, PR China.,Department of Neurosurgery, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan 511500, PR China
| | - Leping Ouyang
- Department of Neurosurgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China
| | - Mingliang He
- Department of Neurosurgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, PR China
| | - Ming Luo
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, PR China.,Department of Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China
| | - Wangqing Cai
- Department of Neurosurgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China
| | - Yalin Tu
- Department of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510080, PR China
| | - Rongbiao Pi
- Department of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510080, PR China
| | - Anmin Liu
- Department of Neurosurgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, PR China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510120, PR China
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Zhang L, Wang H. FTY720 inhibits the Nrf2/ARE pathway in human glioblastoma cell lines and sensitizes glioblastoma cells to temozolomide. Pharmacol Rep 2017; 69:1186-1193. [DOI: 10.1016/j.pharep.2017.07.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 06/16/2017] [Accepted: 07/03/2017] [Indexed: 12/30/2022]
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Seo JY, Pyo E, Park J, Kim JS, Sung SH, Oh WK. Nrf2-Mediated HO-1 Induction and Antineuroinflammatory Activities of Halleridone. J Med Food 2017; 20:1091-1099. [DOI: 10.1089/jmf.2017.3949] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Ji Yeon Seo
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, Korea
| | - Euisun Pyo
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, Korea
| | - Junsoo Park
- Division of Biological Science and Technology, Yonsei University, Wonju, Korea
| | - Jong-Sang Kim
- School of Food Science and Biotechnology (BK21 Plus), Kyungpook National University, Daegu, Korea
| | - Sang Hyun Sung
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, Korea
| | - Won Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, Korea
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Chang KY, Hsu TI, Hsu CC, Tsai SY, Liu JJ, Chou SW, Liu MS, Liou JP, Ko CY, Chen KY, Hung JJ, Chang WC, Chuang CK, Kao TJ, Chuang JY. Specificity protein 1-modulated superoxide dismutase 2 enhances temozolomide resistance in glioblastoma, which is independent of O 6-methylguanine-DNA methyltransferase. Redox Biol 2017; 13:655-664. [PMID: 28822335 PMCID: PMC5561972 DOI: 10.1016/j.redox.2017.08.005] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 08/07/2017] [Indexed: 12/12/2022] Open
Abstract
Acquisition of temozolomide (TMZ) resistance is a major factor leading to the failure of glioblastoma (GBM) treatment. The exact mechanism by which GBM evades TMZ toxicity is not always related to the expression of the DNA repair enzyme O6-methylguanine-DNA methyltransferase (MGMT), and so remains unclear. In this study, TMZ-resistant variants derived from MGMT-negative GBM clinical samples and cell lines were studied, revealing there to be increased specificity protein 1 (Sp1) expression associated with reduced reactive oxygen species (ROS) accumulation following TMZ treatment. Analysis of gene expression databases along with cell studies identified the ROS scavenger superoxide dismutase 2 (SOD2) as being disease-related. SOD2 expression was also increased, and it was found to be co-expressed with Sp1 in TMZ-resistant cells. Investigation of the SOD2 promoter revealed Sp1 as a critical transcriptional activator that enhances SOD2 gene expression. Co-treatment with an Sp1 inhibitor restored the inhibitory effects of TMZ, and decreased SOD2 levels in TMZ-resistant cells. This treatment strategy restored susceptibility to TMZ in xenograft animals, leading to prolonged survival in an orthotopic model. Thus, our results suggest that Sp1 modulates ROS scavengers as a novel mechanism to increase cancer malignancy and resistance to chemotherapy. Inhibition of this pathway may represent a potential therapeutic target for restoring treatment susceptibility in GBM.
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Affiliation(s)
- Kwang-Yu Chang
- National Institute of Cancer Research, National Health Research Institutes, Taiwan; Department of Internal Medicine, National Cheng Kung University Hospital, Taiwan
| | - Tsung-I Hsu
- Center for Neurotrauma and Neuroregeneration, Taipei Medical University, Taiwan
| | - Che-Chia Hsu
- Graduate Institute of Medical Science, Taipei Medical University, Taiwan; Department of Cancer Biology, Wake Forest School of Medicine, USA
| | | | - Jr-Jiun Liu
- National Institute of Cancer Research, National Health Research Institutes, Taiwan; The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taiwan
| | - Shao-Wen Chou
- National Institute of Cancer Research, National Health Research Institutes, Taiwan
| | - Ming-Sheng Liu
- National Institute of Cancer Research, National Health Research Institutes, Taiwan
| | | | - Chiung-Yuan Ko
- The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taiwan
| | - Kai-Yun Chen
- The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taiwan
| | - Jan-Jong Hung
- Institute of Bioinformatics and Biosignal Transduction, National Cheng Kung University, Taiwan
| | - Wen-Chang Chang
- Graduate Institute of Medical Science, Taipei Medical University, Taiwan
| | - Cheng-Keng Chuang
- Department of Medicine, Chang Gung University, Taiwan; Department of Urology, Linkou Chang Gung Memorial Hospital, Taiwan
| | - Tzu-Jen Kao
- Center for Neurotrauma and Neuroregeneration, Taipei Medical University, Taiwan; The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taiwan.
| | - Jian-Ying Chuang
- Center for Neurotrauma and Neuroregeneration, Taipei Medical University, Taiwan; The Ph.D. Program for Neural Regenerative Medicine, Taipei Medical University, Taiwan.
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Hinokitiol suppresses cancer stemness and oncogenicity in glioma stem cells by Nrf2 regulation. Cancer Chemother Pharmacol 2017; 80:411-419. [PMID: 28685346 DOI: 10.1007/s00280-017-3381-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 06/23/2017] [Indexed: 12/11/2022]
Abstract
PURPOSE Glioma is one of the lethal malignancies with poor prognosis. In addition, glioma stem cells (GSCs) have been considered as the crucial player that attributed to the tumorigenesis and drug resistance. In the current study, we investigated the therapeutic effect of hinokitiol, a natural bioactive compound of aromatic tropolone, on the characteristics of GSCs and the possible mechanism. METHODS U87MG and T98G glioma cells were used to isolate GSCs. CD133 positivity and ALDH1 activity of GSCs following hinokitiol treatment were assessed by flow cytometry analysis. Secondary sphere formation, migration, invasion, and colony-forming assays were performed to examine the self-renewal capacity and oncogenicity in GCS after hinokitiol administration. The expression of Nrf2 was evaluated by RT-PCR and western blot analyses. RESULTS We demonstrated that hinokitiol effectively inhibited the CD133 positivity and ALDH1 activity along with the reduced self-renewal, migration, invasion, and colony formation properties of GSCs. In addition, hinokitiol repressed the gene and protein expression of Nrf2, which has been shown to be critical for those GSCs features. Furthermore, we showed that administration of exogenous Nrf2 counteracted the inhibitory effect of hinokitiol on self-renewal and invasiveness of GSCs. CONCLUSION These evidences suggest that treatment of hinokitiol significantly attenuates the hallmarks of GSCs due to downregulation of Nrf2 expression. Hence, hinokitiol may serve as a promising agent for the therapy of glioma.
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Chen Y, Gao F, Jiang R, Liu H, Hou J, Yi Y, Kang L, Liu X, Li Y, Yang M. Down‐Regulation of AQP4 Expression via p38 MAPK Signaling in Temozolomide‐Induced Glioma Cells Growth Inhibition and Invasion Impairment. J Cell Biochem 2017; 118:4905-4913. [DOI: 10.1002/jcb.26176] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 05/31/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Yuqin Chen
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Fei Gao
- Department of UrologyThe First Affiliated HospitalChongqing Medical UniversityChongqing400016P.R. China
| | - Rong Jiang
- Department of Tissue and EmbryologyChongqing Medical UniversityChongqing400016P.R. China
| | - Hui Liu
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Jiaojiao Hou
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Yaoxing Yi
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Lili Kang
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Xueyuan Liu
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Yuan Li
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
| | - Mei Yang
- Institute of NeuroscienceDepartment of AnatomyCollege of Basic MedicineChongqing Medical UniversityChongqing400016P.R. China
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Xing HY, Li B, Peng D, Wang CY, Wang GY, Li P, Le YY, Wang JM, Ye G, Chen JH. A novel monoclonal antibody against the N-terminus of Aβ1-42 reduces plaques and improves cognition in a mouse model of Alzheimer's disease. PLoS One 2017; 12:e0180076. [PMID: 28662102 PMCID: PMC5491112 DOI: 10.1371/journal.pone.0180076] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 06/11/2017] [Indexed: 11/19/2022] Open
Abstract
Senile plaques consisting of Amyloid-beta (Aβ) peptides, in particular Aβ1-42, are the hallmark of Alzheimer's disease (AD) and have been the primary therapeutic targets. Passive immunotherapy with monoclonal antibodies (mAbs) has shown initial success in mouse models of AD. However, the existing Aβ-directed mAbs mostly were tested on animal models or patients with advanced disease. The effects and mechanisms of mAbs on animals or human trial participants in the prodromal phase of AD are not fully clarified. In the current study, a novel mAb (3F5) directed against the 1-11 amino acids of Aβ1-42 was generated by immunizing mice with an emulsion of full length human Aβ1-42. The mAb (3F5) showed the ability to disrupt Aβ1-42 aggregation and prevent Aβ-mediated neurotoxicity in vitro. In a mouse model of AD, administration with 3F5 for 3 months in 6 months-old mice demonstrated that the mAb specifically bound with Aβ1-42 to promote the depolymerization of Aβ fibrils, facilitated endocytosis of Aβ1-42 by microglia, and attenuated the death and apoptosis of neuronal cells, accompanied by neurite outgrowth. APP/PS1 double-transgenic mice treated with 3F5 mAb showed reduced memory loss, cognitive decline, and decreased levels of amyloid deposits in the brain. Aβ1-42 levels in cerebral tissues were also significantly reduced, whereas serum Aβ1-42 was markedly increased. Interestingly, the concentration of 3F5 in peripheral circulation is much higher than that in the brain. These results indicate that 3F5 is able to cross the blood-brain barrier (BBB) to bind Aβ and initiates the phagocytosis of antibody/Aβ complexes by microglia in the amyloid depositing mice. 3F5 also promotes Aβ efflux from the brain. As a consequence, the antibody reduces plaques in the AD mouse brain, in association with reduction in the pathology of AD.
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Affiliation(s)
- Hai-Yan Xing
- Department of Pharmacy, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
| | - Bin Li
- Department of Pharmacy, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
| | - Dan Peng
- Department of Pharmacy, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
| | | | - Guan-Ying Wang
- Department of Pharmacy, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
| | - Pan Li
- Department of Pharmacy, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
| | - Ying-Ying Le
- Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Ji-Ming Wang
- Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, Frederick, Maryland, United States of America
| | - George Ye
- Anogen-Yes Biotech, Mississauga, Ontario, Canada
| | - Jian-Hong Chen
- Department of Pharmacy, Daping Hospital & Research Institute of Surgery, Third Military Medical University, Chongqing, China
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43
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Yan Y, Wang Y, Zhao P, Ma W, Hu Z, Zhang K. BMI-1 Promotes Self-Renewal of Radio- and Temozolomide (TMZ)-Resistant Breast Cancer Cells. Reprod Sci 2017; 24:1620-1629. [DOI: 10.1177/1933719117697255] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yanfang Yan
- Department of Gland Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Ying Wang
- Department of Gland Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Pengxin Zhao
- Department of Gland Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Weiyuan Ma
- Department of Gland Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Zhigang Hu
- Department of Gland Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Kaili Zhang
- Department of Gland Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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44
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Zanotto-Filho A, Masamsetti VP, Loranc E, Tonapi SS, Gorthi A, Bernard X, Gonçalves RM, Moreira JCF, Chen Y, Bishop AJR. Alkylating Agent-Induced NRF2 Blocks Endoplasmic Reticulum Stress-Mediated Apoptosis via Control of Glutathione Pools and Protein Thiol Homeostasis. Mol Cancer Ther 2016; 15:3000-3014. [PMID: 27638861 DOI: 10.1158/1535-7163.mct-16-0271] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/17/2016] [Accepted: 08/25/2016] [Indexed: 11/16/2022]
Abstract
Alkylating agents are a commonly used cytotoxic class of anticancer drugs. Understanding the mechanisms whereby cells respond to these drugs is key to identify means to improve therapy while reducing toxicity. By integrating genome-wide gene expression profiling, protein analysis, and functional cell validation, we herein demonstrated a direct relationship between NRF2 and Endoplasmic Reticulum (ER) stress pathways in response to alkylating agents, which is coordinated by the availability of glutathione (GSH) pools. GSH is essential for both drug detoxification and protein thiol homeostasis within the ER, thus inhibiting ER stress induction and promoting survival, an effect independent of its antioxidant role. NRF2 accumulation induced by alkylating agents resulted in increased GSH synthesis via GCLC/GCLM enzyme, and interfering with this NRF2 response by either NRF2 knockdown or GCLC/GCLM inhibition with buthionine sulfoximine caused accumulation of damaged proteins within the ER, leading to PERK-dependent apoptosis. Conversely, upregulation of NRF2, through KEAP1 depletion or NRF2-myc overexpression, or increasing GSH levels with N-acetylcysteine or glutathione-ethyl-ester, decreased ER stress and abrogated alkylating agents-induced cell death. Based on these results, we identified a subset of lung and head-and-neck carcinomas with mutations in either KEAP1 or NRF2/NFE2L2 genes that correlate with NRF2 target overexpression and poor survival. In KEAP1-mutant cancer cells, NRF2 knockdown and GSH depletion increased cell sensitivity via ER stress induction in a mechanism specific to alkylating drugs. Overall, we show that the NRF2-GSH influence on ER homeostasis implicates defects in NRF2-GSH or ER stress machineries as affecting alkylating therapy toxicity. Mol Cancer Ther; 15(12); 3000-14. ©2016 AACR.
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Affiliation(s)
- Alfeu Zanotto-Filho
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Departamento de Farmacologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil.,Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - V Pragathi Masamsetti
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Children's Medical Research Institute, Westmead, New South Wales, Australia
| | - Eva Loranc
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Sonal S Tonapi
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Aparna Gorthi
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Xavier Bernard
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Rosângela Mayer Gonçalves
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - José C F Moreira
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Yidong Chen
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas.,Department of Epidemiology and Biostatistics, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Alexander J R Bishop
- Greehey Children's Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, Texas. .,Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas
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45
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Niu M, Cai W, Liu H, Chong Y, Hu W, Gao S, Shi Q, Zhou X, Liu X, Yu R. Plumbagin inhibits growth of gliomas in vivo via suppression of FOXM1 expression. J Pharmacol Sci 2015; 128:131-6. [DOI: 10.1016/j.jphs.2015.06.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 05/19/2015] [Accepted: 06/16/2015] [Indexed: 10/23/2022] Open
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