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Zhang Z, Bergan R, Shannon J, Slatore CG, Bobe G, Takata Y. The Role of Cruciferous Vegetables and Isothiocyanates for Lung Cancer Prevention: Current Status, Challenges, and Future Research Directions. Mol Nutr Food Res 2018; 62:e1700936. [PMID: 29663679 DOI: 10.1002/mnfr.201700936] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 04/06/2018] [Indexed: 01/07/2023]
Abstract
Lung cancer remains a leading cause of cancer-related deaths in the United States. Although smoking and air pollution exposure are primary risk factors of lung cancer, diet has also been reported to contribute to lung cancer risk. Cruciferous vegetables contain many bioactive compounds that alter the detoxification process of air-borne carcinogenic compounds and, thereby, may decrease lung cancer risk. In the meta-analysis of 31 observational studies, cruciferous vegetable intake is inversely associated with lung cancer risk (summary odds ratio/relative risk = 0.81 and 95% confidence interval = 0.74-0.89 for comparing the highest with lowest intake categories). More observational studies need to measure urinary isothiocyanate (ITC) concentrations and investigate their association with lung cancer risk in populations with relatively high intake of cruciferous vegetables. Current evidence is limited to two phase 2 clinical trials with incomplete reporting. Hence, more short-term clinical phase 2 trials need to examine effects of various amounts and types of cruciferous vegetables on biomarkers of risk and efficacy before a large phase 3 trial can be conducted to assess effects upon lung cancer risk. This would help further elucidate whether the inverse association observed with self-reported cruciferous vegetable intake is indeed due to ITC content or other bioactive compounds.
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Affiliation(s)
- Zhenzhen Zhang
- OHSU-PSU School of Public Health, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Raymond Bergan
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Jackilen Shannon
- OHSU-PSU School of Public Health, Oregon Health & Science University, 3181 SW Sam Jackson Park Road, Portland, OR, 97239, USA
| | - Christopher G Slatore
- Health Services Research & Development and Section of Pulmonary & Critical Care Medicine, VA Portland Health Care System, Portland, OR, 97239, USA.,Department of Medicine and Department of Radiation Medicine, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Gerd Bobe
- Linus Pauling Institute, Department of Animal Sciences, Oregon State University, Corvallis, OR, 97331, USA
| | - Yumie Takata
- College of Public Health and Human Sciences, School of Biological and Population Sciences, Oregon State University, Corvallis, OR, 97331, USA
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Xiao S, Zhang W, Chen H, Fang B, Qiu Y, Chen X, Chen L, Shu S, Zhang Y, Zhao Y, Liu Z, Liang G. Design, synthesis, and structure-activity relationships of 2-benzylidene-1-indanone derivatives as anti-inflammatory agents for treatment of acute lung injury. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:887-899. [PMID: 29719375 PMCID: PMC5914570 DOI: 10.2147/dddt.s160314] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Purpose The purpose of this study was to design and synthesize novel 2-benzylidene-1-indanone derivatives for treatment of acute lung injury. Methods A series of 39 novel 2-benzylidene-indanone structural derivatives were synthesized and evaluated for anti-inflammatory activity in lipopolysaccharide (LPS)-stimulated murine primary macrophages. Results Most of the obtained compounds effectively inhibited the LPS-induced expression of IL-6 and TNF-α. The most active compound, 8f, was found to significantly reduce LPS-induced pulmonary inflammation, as reflected by reductions in the concentration of total protein, inflammatory cell count, as well as the lung wet/dry ratio in bronchoalveolar lavage (BAL) fluid. Furthermore, 8f effectively inhibited mRNA expression of several inflammatory cytokines after LPS challenge in vitro and in vivo. Administration of 8f also blocked LPS-induced activation of the proinflammatory NF-κB/MAPK signaling pathway. Conclusion The simple synthetic preparation and biological properties of these derivatives make these 2-benzylidene-indanone scaffolds promising new entities for the development of anti-inflammatory therapeutics for the treatment of acute lung injury.
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Affiliation(s)
- Siyang Xiao
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Wenxin Zhang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hongjin Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Bo Fang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yinda Qiu
- College of Life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang, China
| | - Xianxin Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Lingfeng Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Sheng Shu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yali Zhang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yunjie Zhao
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhiguo Liu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
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Lee JW, Seo KH, Ryu HW, Yuk HJ, Park HA, Lim Y, Ahn KS, Oh SR. Anti-inflammatory effect of stem bark of Paulownia tomentosa Steud. in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages and LPS-induced murine model of acute lung injury. JOURNAL OF ETHNOPHARMACOLOGY 2018; 210:23-30. [PMID: 28843892 DOI: 10.1016/j.jep.2017.08.028] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 08/09/2017] [Accepted: 08/23/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The leaves, bark, and flowers of Paulownia tomentosa Steud. have been widely used as a traditional medicine in East Asia to treat inflammatory and infectious diseases. AIM OF THE STUDY We investigated the protective effect of the methanol stem bark extract of P. tomentosa using an animal model of lipopolysaccharide (LPS)-induced acute lung injury (ALI). MATERIALS AND METHODS The UPLC Q-TOF-MS profiles for the methanol extract of P. tomentosa stem bark showed that verbascoside and isoverbascoside were the predominant compounds. Raw 264.7 cells were used for inhibitory effects of cytokine production in vitro. C57BL/6N mice were administered intranasally with LPS (10μg/per mouse) to induce ALI. H&E staining was used to evaluate histological changes in the lung. RESULTS Treatment with P. tomentosa stem bark extract (PTBE) suppressed the production of IL-6 and TNF-α in LPS-stimulated RAW 264.7 macrophages, and the recruitment of neutrophils and macrophages in the BALF of mice with LPS-induced ALI. PTBE also decreased the levels of reactive oxygen species (ROS) and pro-inflammatory cytokines in the BALF. PTBE reduced the levels of nitric oxide (NO) in the serum and of inducible nitric oxide synthase (iNOS) in the lung of ALI mice. PTBE also attenuated the infiltration of inflammatory cells and the expression of monocyte chemoattractant protein-1 (MCP-1) in the lung. In addition, PTBE suppressed the activation of NF-κB and the reduced expression of superoxide dismutase 3 (SOD3) in the lung. CONCLUSION The results suggest that PTBE has a protective effect on LPS-induced ALI.
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Affiliation(s)
- Jae-Won Lee
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - Kyeong-Hwa Seo
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - Hyung Won Ryu
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - Heung Joo Yuk
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - Hyun Ah Park
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - YouRim Lim
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - Kyung-Seop Ahn
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
| | - Sei-Ryang Oh
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Chungju-si, Chungbuk 363-883, Republic of Korea.
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Jiang Y, Li HY, Li XH, Lu J, Zhang Q, Bai CG, Chen Y. Therapeutic effects of isothiocyanate prodrugs on rheumatoid arthritis. Bioorg Med Chem Lett 2018; 28:737-741. [PMID: 29395981 DOI: 10.1016/j.bmcl.2018.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 01/05/2018] [Accepted: 01/07/2018] [Indexed: 12/14/2022]
Abstract
Isothiocyanates 7a and 7b have poor stability and aqueous solubility. To address these problems, prodrugs 8a and 8b were synthesized. Prodrugs 8a and 8b were stable in HEPES buffer at pH 4.4, but released the active compounds 7a and 7b in HEPES buffer at pH 7.4 and in mouse plasma, respectively. Compound 8a and especially compound 8b showed anti-inflammatory effects. Compound 8b demonstrated significant efficacy in animal models of traumatic inflammation, acute inflammation and rheumatoid arthritis. Compound 8b also did not cause appreciable toxicity in mice after 5 weeks at a daily dose of 200 mg/kg.
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Affiliation(s)
- Yin Jiang
- The State Key Laboratory of Medicinal Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, PR China; High-throughput Molecular Drug Discovery Center, Tianjin International Joint Academy of BioMedicine, Tianjin 300457, PR China
| | - Hui-Ying Li
- High-throughput Molecular Drug Discovery Center, Tianjin International Joint Academy of BioMedicine, Tianjin 300457, PR China
| | - Xiao-Hui Li
- The State Key Laboratory of Medicinal Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, PR China; High-throughput Molecular Drug Discovery Center, Tianjin International Joint Academy of BioMedicine, Tianjin 300457, PR China
| | - Jun Lu
- The State Key Laboratory of Medicinal Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, PR China; High-throughput Molecular Drug Discovery Center, Tianjin International Joint Academy of BioMedicine, Tianjin 300457, PR China
| | - Quan Zhang
- The State Key Laboratory of Medicinal Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, PR China
| | - Cui-Gai Bai
- High-throughput Molecular Drug Discovery Center, Tianjin International Joint Academy of BioMedicine, Tianjin 300457, PR China.
| | - Yue Chen
- The State Key Laboratory of Medicinal Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), College of Pharmacy, and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, PR China.
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Chen XX, Tang L, Fu YM, Wang Y, Han ZH, Meng JG. Paralemmin-3 contributes to lipopolysaccharide-induced inflammatory response and is involved in lipopolysaccharide-Toll-like receptor-4 signaling in alveolar macrophages. Int J Mol Med 2017; 40:1921-1931. [PMID: 29039447 DOI: 10.3892/ijmm.2017.3161] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 09/19/2017] [Indexed: 11/06/2022] Open
Abstract
Alveolar macrophages (AMs) are the first line of defense against foreign stimulation in alveoli, and they participate in inflammatory responses during acute lung injury (ALI). Previous studies indicated that paralemmin-3 (PALM3) expression is induced by lipopolysaccharides (LPS) and may be involved in LPS-Toll-like receptor 4 (TLR4) signaling in alveolar epithelial cells. The aim of the present study was to investigate the effect of PALM3 on LPS-induced inflammation and its underlying mechanisms in rat AMs. For this purpose, the authors detected the expression of PALM3 in AMs by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blotting following LPS stimulation. Following this, a recombinant adenovirus expressing short hairpin RNA (shRNA) for PALM3 was constructed, as well as a recombinant adenovirus carrying the rat PALM3 gene to modulate the expression of PALM3 in rat AMs. At 48 h after transfection, the PALM3 expression in AMs was detected by RT-qPCR and western blotting. The levels of several cytokines and the activity of nuclear factor-κB and interferon regulatory factor 3 in AMs were measured after LPS stimulation. The localization of PALM3 and LPS-TLR4 signaling adaptor molecules in AMs was analyzed by confocal microscopy, and the physical interactions of PALM3 with these adaptors were assessed by co-immunoprecipitation assays. LPS induced PALM3 expression in AMs and that PALM3 expression promoted the LPS-induced inflammatory response, while PALM3 downregulation suppressed the LPS-induced inflammatory response in AMs. In addition, the results demonstrated that PALM3 could interact with TLR4, myeloid differentiation factor 88, interleukin (IL)-1 receptor associated kinase-1, tumor necrosis factor receptor associated factor-6, and Toll-IL-1 receptor containing adapter molecule-2 in AMs after LPS stimulation. These results suggested that PALM3 contributes to the LPS-induced inflammatory response and participates in LPS-TLR4 signaling in AMs. These data may provide the basis for the development of novel targeted therapeutic strategies of treating ALI.
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Affiliation(s)
- Xu-Xin Chen
- Department of Respiratory Medicine, Navy General Hospital of the PLA, Beijing 100037, P.R. China
| | - Lu Tang
- Department of Neurology, The First Hospital of Changsha, Changsha, Hunan 430100, P.R. China
| | - Yu-Mei Fu
- Department of Emergency, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Yi Wang
- Department of Respiratory Medicine, The Sixth People's Hospital of Jinan City Affiliated to Jining Medical College, Jinan, Shandong 250200, P.R. China
| | - Zhi-Hai Han
- Department of Respiratory Medicine, Navy General Hospital of the PLA, Beijing 100037, P.R. China
| | - Ji-Guang Meng
- Department of Respiratory Medicine, Navy General Hospital of the PLA, Beijing 100037, P.R. China
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Bai J, Yu XJ, Liu KL, Wang FF, Jing GX, Li HB, Zhang Y, Huo CJ, Li X, Gao HL, Qi J, Kang YM. Central administration of tert-butylhydroquinone attenuates hypertension via regulating Nrf2 signaling in the hypothalamic paraventricular nucleus of hypertensive rats. Toxicol Appl Pharmacol 2017; 333:100-109. [PMID: 28842207 DOI: 10.1016/j.taap.2017.08.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Revised: 08/15/2017] [Accepted: 08/21/2017] [Indexed: 01/02/2023]
Abstract
Reactive oxygen species (ROS) in the paraventricular nucleus (PVN) play a pivotal role in the pathogenesis of hypertension. Nuclear factor E2-related factor-2 (Nrf2) is an important transcription factor that modulates cell antioxidant defense response against oxidative stress. The present study aimed to explore the efficacy of PVN administration of tert-butylhydroquinone (tBHQ), a selective Nrf2 activator, in hypertensive rats. 16-week-old spontaneously hypertensive rats (SHR) and normotensive Wistar-Kyoto (WKY) rats were used in this study. These rats were chronic bilateral PVN infusion of tBHQ (0.8μg/day), or oxygen free radical scavenger tempol (20μg/h), or vehicle for 2weeks. SHR rats had higher mean arterial pressure (MAP), plasma norepinephrine (NE) levels, and sympathetic nerve activity (RSNA) and lower PVN levels of Nrf2, hemeoxygenase-1 (HO-1), superoxide dismutase-1 (SOD1) and catalase (CAT) as compared with those in the WKY group. Bilateral PVN infusion of tBHQ or tempol significantly reduced MAP, RSNA, plasma NE levels in SHR rats. In addition, tBHQ treatment enhanced the nuclear accumulation of Nrf2 and increased the expression of HO-1, CAT and SOD1 in SHR rats. Furthermore, tBHQ attenuated PVN levels of ROS, the expression of proinflammatory cytokines and restored the imbalance of neurotransmitters in PVN. Knockdown of Nrf2 in the PVN by adeno-associated virus mediated small interfering RNA abrogated the protective effects of tBHQ on hypertension. These findings suggest that PVN administration of tBHQ can attenuate hypertension by activation of the Nrf2-mediated signaling pathway.
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Affiliation(s)
- Juan Bai
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Xiao-Jing Yu
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China.
| | - Kai-Li Liu
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Fang-Fang Wang
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Gui-Xia Jing
- Department of Anesthesiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Hong-Bao Li
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Yan Zhang
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Chan-Juan Huo
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Xiang Li
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Hong-Li Gao
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Jie Qi
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China
| | - Yu-Ming Kang
- Department of Physiology and Pathophysiology, Xi'an Jiaotong University School of Basic Medical Sciences, Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an 710061, China.
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Olagnier D, Lababidi RR, Hadj SB, Sze A, Liu Y, Naidu SD, Ferrari M, Jiang Y, Chiang C, Beljanski V, Goulet ML, Knatko EV, Dinkova-Kostova AT, Hiscott J, Lin R. Activation of Nrf2 Signaling Augments Vesicular Stomatitis Virus Oncolysis via Autophagy-Driven Suppression of Antiviral Immunity. Mol Ther 2017; 25:1900-1916. [PMID: 28527723 PMCID: PMC5542709 DOI: 10.1016/j.ymthe.2017.04.022] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 04/24/2017] [Accepted: 04/24/2017] [Indexed: 12/31/2022] Open
Abstract
Oncolytic viruses (OVs) offer a promising therapeutic approach to treat multiple types of cancer. In this study, we show that the manipulation of the antioxidant network via transcription factor Nrf2 augments vesicular stomatitis virus Δ51 (VSVΔ51) replication and sensitizes cancer cells to viral oncolysis. Activation of Nrf2 signaling by the antioxidant compound sulforaphane (SFN) leads to enhanced VSVΔ51 spread in OV-resistant cancer cells and improves the therapeutic outcome in different murine syngeneic and xenograft tumor models. Chemoresistant A549 lung cancer cells that display constitutive dominant hyperactivation of Nrf2 signaling are particularly vulnerable to VSVΔ51 oncolysis. Mechanistically, enhanced Nrf2 signaling stimulated viral replication in cancer cells and disrupted the type I IFN response via increased autophagy. This study reveals a previously unappreciated role for Nrf2 in the regulation of autophagy and the innate antiviral response that complements the therapeutic potential of VSV-directed oncolysis against multiple types of OV-resistant or chemoresistant cancer.
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Affiliation(s)
- David Olagnier
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada; Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada.
| | - Rassin R Lababidi
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada; Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University, Montreal, QC H3A 2B4, Canada
| | - Samar Bel Hadj
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada
| | - Alexandre Sze
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada; Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada
| | - Yiliu Liu
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada; Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada
| | - Sharadha Dayalan Naidu
- Jacqui Wood Cancer Centre, Division of Cancer Research, School of Medicine, University of Dundee, Dundee DD1 9SY, UK
| | - Matteo Ferrari
- Pasteur Laboratory, Istituto Pasteur-Fondazione Cenci Bolognetti, Rome 00161, Italy
| | - Yuan Jiang
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada; Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada
| | - Cindy Chiang
- Department of Microbiology, University of Chicago, Chicago, IL 60637, USA
| | - Vladimir Beljanski
- NSU Cell Therapy Institute, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
| | - Marie-Line Goulet
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada
| | - Elena V Knatko
- Jacqui Wood Cancer Centre, Division of Cancer Research, School of Medicine, University of Dundee, Dundee DD1 9SY, UK
| | - Albena T Dinkova-Kostova
- Jacqui Wood Cancer Centre, Division of Cancer Research, School of Medicine, University of Dundee, Dundee DD1 9SY, UK; Department of Pharmacology and Molecular Sciences and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - John Hiscott
- Pasteur Laboratory, Istituto Pasteur-Fondazione Cenci Bolognetti, Rome 00161, Italy.
| | - Rongtuan Lin
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, QC H3T 1E2, Canada; Division of Experimental Medicine, McGill University, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University, Montreal, QC H3A 2B4, Canada.
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17β-Estradiol enhances sulforaphane cardioprotection against oxidative stress. J Nutr Biochem 2017; 42:26-36. [DOI: 10.1016/j.jnutbio.2016.12.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 12/06/2016] [Accepted: 12/28/2016] [Indexed: 11/19/2022]
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Kim JK, Park SU. Current potential health benefits of sulforaphane. EXCLI JOURNAL 2016; 15:571-577. [PMID: 28096787 PMCID: PMC5225737 DOI: 10.17179/excli2016-485] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 08/24/2016] [Indexed: 12/28/2022]
Affiliation(s)
- Jae Kwang Kim
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, 406-772, Korea
| | - Sang Un Park
- Department of Crop Science, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 305-764, Korea
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Sangxingtang inhibits the inflammation of LPS-induced acute lung injury in mice by down-regulating the MAPK/NF-κB pathway. Chin J Nat Med 2016; 13:889-95. [PMID: 26721707 DOI: 10.1016/s1875-5364(15)30094-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Indexed: 01/08/2023]
Abstract
In the present study, we investigated anti-inflammatory effects of Sangxingtang (SXT) on acute lung injury using a lipopolysaccharide (LPS)-induced acute lung injury (ALI) mouse model. The cell counting in the bronchoalveolar lavage fluid (BALF) was performed. The degree of lung edema was evaluated by measuring the wet/dry weight (W/D) ratio. The superoxidase dismutase (SOD) and myeloperoxidase (MPO) activities were assayed by SOD and MPO kits, respectively. The levels of inflammatory mediators, including tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6), were assayed by the enzyme-linked immunosorbent assay methods. Pathological changes of lung tissues were observed by Hematoxylin and eosin (HE) staining. The inflammatory signaling pathway-related proteins nuclear factor mitogen activated protein kinases (P38MAPK), extracellular regulated protein kinases (Erk), c-Jun N-terminal kinase (Jnk) and nuclear transcription factor (NF-κB) p65 expressions were measured by Western blotting. Our results showed that the treatment with the SXT markedly attenuated the inflammatory cell numbers in the BALF, decreased the levels of P-P38MAPK, P-Erk, P-Jnk and P-NF-κB p65 and the total protein levels in lungs, improved the SOD activity and inhibited the MPO activity. Histological studies demonstrated that SXT substantially reduced the LPS-induced neutrophils in lung tissues, compared with the untreated LPS group. In conclusion, our results indicated that SXT had protective effects on LPS-induced ALI in mice.
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Hernández-Rabaza V, Cabrera-Pastor A, Taoro-González L, Malaguarnera M, Agustí A, Llansola M, Felipo V. Hyperammonemia induces glial activation, neuroinflammation and alters neurotransmitter receptors in hippocampus, impairing spatial learning: reversal by sulforaphane. J Neuroinflammation 2016; 13:41. [PMID: 26883214 PMCID: PMC4754839 DOI: 10.1186/s12974-016-0505-y] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 02/08/2016] [Indexed: 12/19/2022] Open
Abstract
Background Patients with liver cirrhosis and minimal hepatic encephalopathy (MHE) show mild cognitive impairment and spatial learning dysfunction. Hyperammonemia acts synergistically with inflammation to induce cognitive impairment in MHE. Hyperammonemia-induced neuroinflammation in hippocampus could contribute to spatial learning impairment in MHE. Two main aims of this work were: (1) to assess whether chronic hyperammonemia increases inflammatory factors in the hippocampus and if this is associated with microglia and/or astrocytes activation and (2) to assess whether hyperammonemia-induced neuroinflammation in the hippocampus is associated with altered membrane expression of glutamate and GABA receptors and spatial learning impairment. There are no specific treatments for cognitive alterations in patients with MHE. A third aim was to assess whether treatment with sulforaphane enhances endogenous the anti-inflammatory system, reduces neuroinflammation in the hippocampus of hyperammonemic rats, and restores spatial learning and if normalization of receptor membrane expression is associated with learning improvement. Methods We analyzed the following in control and hyperammonemic rats, treated or not with sulforaphane: (1) microglia and astrocytes activation by immunohistochemistry, (2) markers of pro-inflammatory (M1) (IL-1β, IL-6) and anti-inflammatory (M2) microglia (Arg1, YM-1) by Western blot, (3) membrane expression of GABA, AMPA, and NMDA receptors using the BS3 cross-linker, and (4) spatial learning using the radial maze. Results The results reported show that hyperammonemia induces astrocytes and microglia activation in the hippocampus, increasing pro-inflammatory cytokines IL-1β and IL-6. This is associated with altered membrane expression of AMPA, NMDA, and GABA receptors which would be responsible for altered neurotransmission and impairment of spatial learning in the radial maze. Treatment with sulforaphane promotes microglia differentiation from pro-inflammatory M1 to anti-inflammatory M2 phenotype and reduces activation of astrocytes in hyperammonemic rats. This reduces neuroinflammation, normalizes membrane expression of glutamate and GABA receptors, and restores spatial learning in hyperammonemic rats. Conclusions Hyperammonemia-induced neuroinflammation impairs glutamatergic and GABAergic neurotransmission by altering membrane expression of glutamate and GABA receptors, resulting in impaired spatial learning. Sulforaphane reverses all these effects. Treatment with sulforaphane could be useful to improve cognitive function in cirrhotic patients with minimal or clinical hepatic encephalopathy.
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Affiliation(s)
| | - Andrea Cabrera-Pastor
- Laboratorio de Neurobiología, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Lucas Taoro-González
- Laboratorio de Neurobiología, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Michele Malaguarnera
- Laboratorio de Neurobiología, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Ana Agustí
- Laboratorio de Neurobiología, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Marta Llansola
- Laboratorio de Neurobiología, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Vicente Felipo
- Laboratorio de Neurobiología, Centro de Investigación Príncipe Felipe, Valencia, Spain.
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