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Rullah K, Shamsudin NF, Koeberle A, Tham CL, Fasihi Mohd Aluwi MF, Leong SW, Jantan I, Lam KW. Flavonoid diversity and roles in the lipopolysaccharide-mediated inflammatory response of monocytes and macrophages. Future Med Chem 2024; 16:75-99. [PMID: 38205612 DOI: 10.4155/fmc-2023-0174] [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: 06/12/2023] [Accepted: 11/27/2023] [Indexed: 01/12/2024] Open
Abstract
Targeting lipopolysaccharide (LPS)/toll-like receptor 4 signaling in mononuclear phagocytes has been explored for the treatment of inflammation and inflammation-related disorders. However, only a few key targets have been translated into clinical applications. Flavonoids, a class of ubiquitous plant secondary metabolites, possess a privileged scaffold which serves as a valuable template for designing pharmacologically active compounds directed against diseases with inflammatory components. This perspective provides a general overview of the diversity of flavonoids and their multifaceted mechanisms that interfere with LPS-induced signaling in monocytes and macrophages. Focus is placed on flavonoids targeting MD-2, IκB kinases, c-Jun N-terminal kinases, extracellular signal-regulated kinase, p38 MAPK and PI3K/Akt or modulating LPS-related gene expression.
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Affiliation(s)
- Kamal Rullah
- Department of Pharmaceutical Chemistry, Kulliyyah of Pharmacy, International Islamic University Malaysia, 25200 Kuantan, Pahang, Malaysia
| | - Nur Farisya Shamsudin
- Department of Pharmaceutical Chemistry, Kulliyyah of Pharmacy, International Islamic University Malaysia, 25200 Kuantan, Pahang, Malaysia
| | - Andreas Koeberle
- Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, 6020 Innsbruck, Austria
| | - Chau Ling Tham
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Mohd Fadhlizil Fasihi Mohd Aluwi
- Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuhraya Tun Razak, 26300 Gambang, Kuantan, Pahang, Malaysia
| | - Sze-Wei Leong
- Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Ibrahim Jantan
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, 43600 Bangi, Malaysia
| | - Kok Wai Lam
- Centre for Drug & Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia
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2
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Salehi B, Quispe C, Chamkhi I, El Omari N, Balahbib A, Sharifi-Rad J, Bouyahya A, Akram M, Iqbal M, Docea AO, Caruntu C, Leyva-Gómez G, Dey A, Martorell M, Calina D, López V, Les F. Pharmacological Properties of Chalcones: A Review of Preclinical Including Molecular Mechanisms and Clinical Evidence. Front Pharmacol 2021; 11:592654. [PMID: 33536909 PMCID: PMC7849684 DOI: 10.3389/fphar.2020.592654] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/12/2020] [Indexed: 12/11/2022] Open
Abstract
Chalcones are among the leading bioactive flavonoids with a therapeutic potential implicated to an array of bioactivities investigated by a series of preclinical and clinical studies. In this article, different scientific databases were searched to retrieve studies depicting the biological activities of chalcones and their derivatives. This review comprehensively describes preclinical studies on chalcones and their derivatives describing their immense significance as antidiabetic, anticancer, anti-inflammatory, antimicrobial, antioxidant, antiparasitic, psychoactive, and neuroprotective agents. Besides, clinical trials revealed their use in the treatment of chronic venous insufficiency, skin conditions, and cancer. Bioavailability studies on chalcones and derivatives indicate possible hindrance and improvement in relation to its nutraceutical and pharmaceutical applications. Multifaceted and complex underlying mechanisms of chalcone actions demonstrated their ability to modulate a number of cancer cell lines, to inhibit a number of pathological microorganisms and parasites, and to control a number of signaling molecules and cascades related to disease modification. Clinical studies on chalcones revealed general absence of adverse effects besides reducing the clinical signs and symptoms with decent bioavailability. Further studies are needed to elucidate their structure activity, toxicity concerns, cellular basis of mode of action, and interactions with other molecules.
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Affiliation(s)
- Bahare Salehi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Cristina Quispe
- Facultad de Ciencias de La Salud, Universidad Arturo Prat, Iquique, Chile
| | - Imane Chamkhi
- Faculty of Sciences, Mohammed V University of Rabat, Rabat, Morocco.,Laboratory of Plant-Microbe Interactions, AgroBioSciences, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Nasreddine El Omari
- Laboratory of Histology, Embryology, and Cytogenetic, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Rabat, Morocco
| | - Abdelaali Balahbib
- Laboratory of Zoology and General Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Facultad de Medicina, Universidad del Azuay, Cuenca, Ecuador
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, and Genomic Center of Human Pathologies, Faculty of Medicine and Pharmacy, Mohammed V University Rabat, Rabat, Morocco
| | - Muhammad Akram
- Department of Eastern Medicine, Government College University, Faisalabad, Pakistan
| | - Mehwish Iqbal
- Institute of Health Management, Dow University of Health Sciences, Karachi, Pakistan
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Constantin Caruntu
- Department of Physiology, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.,Department of Dermatology, "Prof. N.C. Paulescu" National Institute of Diabetes, Nutrition, and Metabolic Diseases, Bucharest, Romania
| | - Gerardo Leyva-Gómez
- Departamento De Farmacia, Facultad De Química, Universidad Nacional Autónoma De México, Ciudad De México, Mexico
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, India
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, and Centre for Healthy Living, University of Concepción, Concepción, Chile.,Unidad De Desarrollo Tecnológico, UDT, Universidad De Concepción, Concepción, Chile
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Víctor López
- Department of Pharmacy, Faculty of Health Sciences, Universidad San Jorge, Zaragoza, Spain.,Instituto Agroalimentario De Aragón-IA2 CITA-Universidad De Zaragoza, Zaragoza, Spain
| | - Francisco Les
- Department of Pharmacy, Faculty of Health Sciences, Universidad San Jorge, Zaragoza, Spain.,Instituto Agroalimentario De Aragón-IA2 CITA-Universidad De Zaragoza, Zaragoza, Spain
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3
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Ur Rashid H, Xu Y, Ahmad N, Muhammad Y, Wang L. Promising anti-inflammatory effects of chalcones via inhibition of cyclooxygenase, prostaglandin E 2, inducible NO synthase and nuclear factor κb activities. Bioorg Chem 2019; 87:335-365. [PMID: 30921740 DOI: 10.1016/j.bioorg.2019.03.033] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 02/27/2019] [Accepted: 03/14/2019] [Indexed: 01/14/2023]
Abstract
Chalcones (1, 3-Diphenyl-2-propen-1-one) consist of a three carbon α, β-unsaturated carbonyl system and act as precursors for the biosynthesis of flavonoids in plants. However, laboratory synthesis of various chalcones has also been reported. Both natural and synthetic chalcones are known to exhibit a variety of pharmacological activities such as anti-inflammatory, antitumor, antibacterial, antifungal, antimalarial and antituberculosis. These promising activities, ease of synthesis and simple chemical structure have awarded chalcones considerable attraction. This review focuses on the anti-inflammatory effects of chalcones, caused by their inhibitory action primarily against the activities and expressions of four key inflammatory mediators viz., cyclooxygenase, prostaglandin E2, inducible NO synthase, and nuclear factor κB. Various methodologies for the synthesis of chalcones have been discussed. The potency of recently synthesized chalcones is given in terms of their IC50 values. Structure-Activity Relationships (SARs) of a variety of chalcone derivatives have been discussed. Computational methods were applied to calculate the ideal orientation of a typical chalcone scaffold against three enzymes, namely, cyclooxygenase-1, cyclooxygenase-2 and inducible NO synthase for the formation of stable complexes. The global market of anti-inflammatory drugs and its expected growth (from 2018 to 2026) have been discussed. SAR analysis, docking studies, and future prospects all together provide useful clues for the synthesis of novel chalcones of improved anti-inflammatory activities.
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Affiliation(s)
- Haroon Ur Rashid
- School of Chemistry & Chemical Engineering, Guangxi University, 530004 Nanning, China; Department of Chemistry, Sarhad University of Science & Information Technology, 25000 Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Yiming Xu
- School of Chemistry & Chemical Engineering, Guangxi University, 530004 Nanning, China
| | - Nasir Ahmad
- Department of Chemistry, Islamia College University, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Yaseen Muhammad
- School of Chemistry & Chemical Engineering, Guangxi University, 530004 Nanning, China
| | - Lisheng Wang
- School of Chemistry & Chemical Engineering, Guangxi University, 530004 Nanning, China; Medical College, Guangxi University, Nanning, China.
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Kim CS, Noh SG, Park Y, Kang D, Chun P, Chung HY, Jung HJ, Moon HR. A Potent Tyrosinase Inhibitor, ( E)-3-(2,4-Dihydroxyphenyl)-1-(thiophen-2-yl)prop-2-en-1-one, with Anti-Melanogenesis Properties in α-MSH and IBMX-Induced B16F10 Melanoma Cells. Molecules 2018; 23:molecules23102725. [PMID: 30360412 PMCID: PMC6222382 DOI: 10.3390/molecules23102725] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 10/16/2018] [Accepted: 10/19/2018] [Indexed: 01/24/2023] Open
Abstract
In this study, we designed and synthesized eight thiophene chalcone derivatives (1a–h) as tyrosinase inhibitors and evaluated their mushroom tyrosinase inhibitory activities. Of these eight compounds, (E)-3-(2,4-dihydroxyphenyl)-1-(thiophen-2-yl)prop-2-en-1-one (1c) showed strong competitive inhibition activity against mushroom tyrosinase with IC50 values of 0.013 μM for tyrosine hydroxylase and 0.93 μM for dopa oxidase. In addition, we used enzyme kinetics study and docking program to further evaluate the inhibitory mechanism of 1c toward tyrosinase. As an underlying mechanism of 1c mediated anti-melanogenic effect, we investigated the inhibitory activity against melanin contents and cellular tyrosinase in B16F10 melanoma cells. As the results, the enzyme kinetics and docking results supports that 1c highly interacts with tyrosinase residues in the tyrosinase active site and it can directly inhibit tyrosinase as competitive inhibitor. In addition, 1c exhibited dose-dependent inhibitory effects in melanin contents and intracellular tyrosinase on α-MSH and IBMX-induced B16F10 cells. Overall, our results suggested that 1c might be considered potent tyrosinase inhibitor for use in the development of therapeutic agents for diseases associated with hyperpigment disorders.
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Affiliation(s)
- Chang Seok Kim
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, College of Pharmacy, Pusan National University, Busan 46241, Korea.
| | - Sang Gyun Noh
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, College of Pharmacy, Pusan National University, Busan 46241, Korea.
| | - Yujin Park
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
| | - Dongwan Kang
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
| | - Pusoon Chun
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae, Gyeongnam 50834, Korea.
| | - Hae Young Chung
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
- Interdisciplinary Research Program of Bioinformatics and Longevity Science, College of Pharmacy, Pusan National University, Busan 46241, Korea.
| | - Hee Jin Jung
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
| | - Hyung Ryong Moon
- College of Pharmacy, Pusan National University, Busan 46241, Korea.
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Oh HJ, Magar TBT, Pun NT, Lee Y, Kim EH, Lee ES, Park PH. YJI-7 Suppresses ROS Production and Expression of Inflammatory Mediators via Modulation of p38MAPK and JNK Signaling in RAW 264.7 Macrophages. Biomol Ther (Seoul) 2018; 26:191-200. [PMID: 28441795 PMCID: PMC5839498 DOI: 10.4062/biomolther.2016.276] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 01/10/2017] [Accepted: 01/23/2017] [Indexed: 01/22/2023] Open
Abstract
Chalcone, (2E)-1,3-Diphenylprop-2-en-1-one, and its synthetic derivatives are known to possess anti-oxidative and anti-inflammatory properties. In the present study, we prepared a novel synthetic chalcone compound, (E)-1-(4-hydroxyphenyl)-3-(2-(trifluoromethoxy)phenyl)prop-2-en-1-one name (YJI-7), and investigated its inhibitory effects on endotoxin-stimulated production of reactive oxygen species (ROS) and expression of inflammatory mediators in macrophages. We demonstrated that treatment of RAW 264.7 macrophages with YJI-7 significantly suppressed lipopolysaccharide (LPS)-stimulated ROS production. We also found that YJI-7 substantially decreased NADPH oxidase activity stimulated by LPS, indicating that YJI-7 regulates ROS production via modulation of NADPH oxidase in macrophages. Furthermore, YJI-7 strongly inhibited the expression of a number of inflammatory mediators in a gene-selective manner, suggesting that YJI-7 possesses potent anti-inflammatory properties, as well as anti-oxidative activity. In continuing experiments to investigate the mechanisms that could underlie such biological effects, we revealed that YJI-7 suppressed phosphorylation of p38MAPK and JNK stimulated by LPS, whereas no significant effect on ERK was observed. Furthermore, LPS-stimulated production of ROS, activation of NADPH oxidase and expression of inflammatory mediators were markedly suppressed by treatment with selective inhibitor of p38MAPK (SB203580) and JNK (SP600125). Taken together, these results demonstrated that YJI-7, a novel synthetic chalcone derivative, suppressed LPS-stimulated ROS production via modulation of NADPH oxidase and diminished expression of inflammatory mediators, at least in part, via down-regulation of p38MAPK and JNK signaling in macrophages.
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Affiliation(s)
- Hye Jin Oh
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | | | - Nirmala Tilija Pun
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Yunji Lee
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Eun Hye Kim
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Eung-Seok Lee
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Pil-Hoon Park
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
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6
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Anti-Inflammatory and Gastroprotective Roles of Rabdosia inflexa through Downregulation of Pro-Inflammatory Cytokines and MAPK/NF-κB Signaling Pathways. Int J Mol Sci 2018; 19:ijms19020584. [PMID: 29462911 PMCID: PMC5855806 DOI: 10.3390/ijms19020584] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 02/13/2018] [Accepted: 02/13/2018] [Indexed: 12/17/2022] Open
Abstract
Globally, gastric ulcer is a vital health hazard for a human. Rabdosia inflexa (RI) has been used in traditional medicine for inflammatory diseases. The present study aimed to investigate the protective effect and related molecular mechanism of RI using lipopolysaccharide (LPS)-induced inflammation in RAW 246.7 cells and HCl/EtOH-induced gastric ulcer in mice. We applied 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), nitric oxide (NO), reactive oxygen species (ROS), histopathology, malondialdehyde (MDA), quantitative real-time polymerase chain reaction (qPCR), immunohistochemistry (IHC), and Western blot analyses to evaluate the protective role of RI. Study revealed that RI effectively attenuated LPS-promoted NO and ROS production in RAW 246.7 cells. In addition, RI mitigated gastric oxidative stress by inhibiting lipid peroxidation, elevating NO, and decreasing gastric inflammation. RI significantly halted elevated gene expression of pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), inducible nitric oxide synthetase (iNOS), and cyclooxygenase-2 (COX-2) in gastric tissue. Likewise, RI markedly attenuated the mitogen-activated protein kinases (MAPKs) phosphorylation, COX-2 expression, phosphorylation and degradation of inhibitor kappa B (IκBα) and activation of nuclear factor kappa B (NF-κB). Thus, experimental findings suggested that the anti-inflammatory and gastroprotective activities of RI might contribute to regulating pro-inflammatory cytokines and MAPK/NF-κB signaling pathways.
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7
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Thigulla Y, Ranga S, Ghosal S, Subbalakshmi J, Bhattacharya A. One-Pot Two Step Nazarov-Schmidt Rearrangement for the Synthesis of Fused δ-Lactam Systems. ChemistrySelect 2017. [DOI: 10.1002/slct.201701848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yadagiri Thigulla
- Department of Chemistry; Birla Institute of Technology and Science-Pilani (Hyderabad Campus); Hyderabad- 500078 India
| | - Santosh Ranga
- Department of Chemistry; Birla Institute of Technology and Science-Pilani (Hyderabad Campus); Hyderabad- 500078 India
| | - Subhas Ghosal
- Department of Chemistry; Birla Institute of Technology and Science-Pilani (Hyderabad Campus); Hyderabad- 500078 India
| | - Jayanty Subbalakshmi
- Department of Chemistry; Birla Institute of Technology and Science-Pilani (Hyderabad Campus); Hyderabad- 500078 India
| | - Anupam Bhattacharya
- Department of Chemistry; Birla Institute of Technology and Science-Pilani (Hyderabad Campus); Hyderabad- 500078 India
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Jin CH, So YK, Han SN, Kim JB. Isoegomaketone Upregulates Heme Oxygenase-1 in RAW264.7 Cells via ROS/p38 MAPK/Nrf2 Pathway. Biomol Ther (Seoul) 2016; 24:510-6. [PMID: 27582555 PMCID: PMC5012876 DOI: 10.4062/biomolther.2015.194] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 06/16/2016] [Accepted: 07/12/2016] [Indexed: 11/10/2022] Open
Abstract
Isoegomaketone (IK) was isolated from Perilla frutescens, which has been widely used as a food in Asian cuisine, and evaluated for its biological activity. We have already confirmed that IK induced the HO-1 expression via Nrf2 activation in RAW264.7 cells. In this study, we investigated the effect of IK on the mechanism of HO-1 expression. IK upregulated HO-1 mRNA and protein expression in a dose dependent manner. The level of HO-1 mRNA peaked at 4 h after 15 μM IK treatment. To investigate the mechanisms of HO-1 expression modulation by IK, we used pharmacological inhibitors for the protein kinase C (PKC) family, PI3K, and p38 MAPK. IK-induced HO-1 mRNA expression was only suppressed by SB203580, a specific inhibitor of p38 MAPK. ROS scavengers (N-acetyl-L-cysteine, NAC, and glutathione, GSH) also blocked the IK-induced ROS production and HO-1 expression. Furthermore, both NAC and SB203580 suppressed the IK-induced Nrf2 activation. In addition, ROS scavengers suppressed other oxidative enzymes such as catalase (CAT), glutathione S-transferase (GST), and NADH quinone oxidoreductase (NQO-1) in IK-treated RAW264.7 cells. Taken together, it can be concluded that IK induced the HO-1 expression through the ROS/p38 MAPK/ Nrf2 pathway in RAW264.7 cells.
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Affiliation(s)
- Chang Hyun Jin
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Republic of Korea
| | - Yang Kang So
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Republic of Korea
| | - Sung Nim Han
- Department of Food and Nutrition, College of Human Ecology, Seoul National University, Seoul 08826, Republic of Korea
| | - Jin-Baek Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Republic of Korea
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Hossen MJ, Cho JY, Kim D. PDK1 in NF-κB signaling is a target of Xanthium strumarium methanolic extract-mediated anti-inflammatory activities. JOURNAL OF ETHNOPHARMACOLOGY 2016; 190:251-260. [PMID: 27286918 DOI: 10.1016/j.jep.2016.06.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Revised: 05/29/2016] [Accepted: 06/06/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xanthium strumarium L. (Asteraceae) has traditionally been used to treat bacterial infections, nasal sinusitis, urticaria, arthritis, chronic bronchitis and rhinitis, allergic rhinitis, edema, lumbago, and other ailments. However, the molecular mechanisms by which this plant exerts its anti-inflammatory effects are poorly characterized. Here we studied the immunopharmacological activities of the methanolic extract of the aerial parts of this plant (Xs-ME) and validated its pharmacological targets. MATERIALS AND METHODS To evaluate the anti-inflammatory activity of Xs-ME, we employed lipopolysaccharide (LPS)-treated macrophages and an HCl/EtOH-induced mouse model of gastritis. We also used HPLC to identify the potentially active anti-inflammatory components of this extract. The molecular mechanisms of its anti-inflammatory activity were studied by kinase assays, reporter gene assays, immunoprecipitation analysis, and overexpression of target enzymes. RESULTS The production of nitric oxide (NO) and prostaglandin E2 (PGE2) were both suppressed by Xs-ME. Moreover, orally administered Xs-ME ameliorated HCl/EtOH-induced gastric lesions. Furthermore, this extract downregulated the expression of inducible NO synthase (iNOS) and cyclooxygenase (COX)-2 and reduced the nuclear levels of NF-κB. Signaling events upstream of NF-κB translocation, such as phosphorylation of AKT and the formation of PDK1-AKT signaling complexes, were also inhibited by Xs-ME. Moreover, Xs-ME suppressed the enzymatic activity of PDK1. Additionally, PDK1-induced luciferase activity and Akt phosphorylation were both inhibited by Xs-ME. We also identified the polyphenol resveratrol as a likely active anti-inflammatory component in Xs-ME that targets PDK1. CONCLUSION Xs-ME exerts anti-inflammatory activity in vitro and in vivo by inhibiting PDK1 kinase activity and blocking signaling to its downstream transcription factor, NF-κB.
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Affiliation(s)
- Muhammad Jahangir Hossen
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea; Department of Animal Science, Patuakhali Science and Technology University, Dumki, Patuakhali 8602, Bangladesh
| | - Jae Youl Cho
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Daewon Kim
- Laboratory of Bio-informatics, Department of Multimedia Engineering, Dankook University, Republic of Korea.
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10
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Syk and IRAK1 Contribute to Immunopharmacological Activities of Anthraquinone-2-carboxlic Acid. Molecules 2016; 21:molecules21060809. [PMID: 27338330 PMCID: PMC6272897 DOI: 10.3390/molecules21060809] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Revised: 06/16/2016] [Accepted: 06/18/2016] [Indexed: 12/12/2022] Open
Abstract
Anthraquinone-2-carboxlic acid (9,10-dihydro-9,10-dioxo-2-anthracenecarboxylic acid, AQCA) was identified as one of the major anthraquinones in Brazilian taheebo. Since there was no report explaining its immunopharmacological actions, in this study, we aimed to investigate the molecular mechanism of AQCA-mediated anti-inflammatory activity using reporter gene assays, kinase assays, immunoblot analyses, and overexpression strategies with lipopolysaccharide (LPS)-treated macrophages. AQCA was found to suppress the release of nitric oxide (NO) and prostaglandin (PG) E2 from LPS-treated peritoneal macrophages without displaying any toxic side effects. Molecular analysis revealed that AQCA was able to inhibit the activation of the nuclear factor (NF)-κB and activator protein (AP)-1 pathways by direct suppression of upstream signaling enzymes including interleukin-1 receptor-associated kinase 1 (IRAK1) and spleen tyrosine kinase (Syk). Therefore, our data strongly suggest that AQCA-mediated suppression of inflammatory responses could be managed by a direct interference of signaling cascades including IRAK and Syk, linked to the activation of NF-κB and AP-1.
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11
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Zhang Y, Wu J, Ying S, Chen G, Wu B, Xu T, Liu Z, Liu X, Huang L, Shan X, Dai Y, Liang G. Discovery of new MD2 inhibitor from chalcone derivatives with anti-inflammatory effects in LPS-induced acute lung injury. Sci Rep 2016; 6:25130. [PMID: 27118147 PMCID: PMC4846832 DOI: 10.1038/srep25130] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 04/12/2016] [Indexed: 12/22/2022] Open
Abstract
Acute lung injury (ALI) is a life-threatening acute inflammatory disease with limited options available for therapy. Myeloid differentiation protein 2, a co-receptor of TLR4, is absolutely required for TLR4 sense LPS, and represents an attractive target for treating severe inflammatory diseases. In this study, we designed and synthesized 31 chalcone derivatives that contain the moiety of (E)-4-phenylbut-3-en-2-one, which we consider the core structure of current MD2 inhibitors. We first evaluated the anti-inflammatory activities of these compounds in MPMs. For the most active compound 20, we confirmed that it is a specific MD2 inhibitor through a series of biochemical experiments and elucidated that it binds to the hydrophobic pocket of MD2 via hydrogen bonds with Arg90 and Tyr102 residues. Compound 20 also blocked the LPS-induced activation of TLR4/MD2 -downstream pro-inflammatory MAPKs/NF-κB signaling pathways. In a rat model with ALI induced by intracheal LPS instillation, administration with compound 20 exhibited significant protective effect against ALI, accompanied by the inhibition of TLR4/MD2 complex formation in lung tissues. Taken together, the results of this study suggest the specific MD2 inhibitor from chalcone derivatives we identified is a potential candidate for treating acute inflammatory diseases.
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Affiliation(s)
- Yali Zhang
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Jianzhang Wu
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Shilong Ying
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Gaozhi Chen
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Beibei Wu
- The 2nd Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Tingting Xu
- The 2nd Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Zhiguo Liu
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xing Liu
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lehao Huang
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xiaoou Shan
- The 2nd Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yuanrong Dai
- The 2nd Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Guang Liang
- Chemical Biology Research Center at School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
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Kim MJ, Kadayat T, Um YJ, Jeong TC, Lee ES, Park PH. Inhibitory Effect of 3-(4-Hydroxyphenyl)-1-(thiophen-2-yl) prop-2-en-1-one, a Chalcone Derivative on MCP-1 Expression in Macrophages via Inhibition of ROS and Akt Signaling. Biomol Ther (Seoul) 2015; 23:119-27. [PMID: 25767679 PMCID: PMC4354312 DOI: 10.4062/biomolther.2014.127] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 12/17/2014] [Accepted: 12/18/2014] [Indexed: 01/19/2023] Open
Abstract
Chalcones (1,3-diaryl-2-propen-1-ones), a subfamily of flavonoid, are widely known to possess potent anti-inflammatory and anti-oxidant properties. In this study, we investigated the effect of 3-(4-Hydroxyphenyl)-1-(thio3-(4-Hydroxyphenyl phen-2-yl)prop-2-en-1-one (TI-I-175), a synthetic chalcone derivative, on endotoxin-induced expression of monocyte chemoattractant protein-1 (MCP-1), one of the key chemokines that regulates migration and infiltration of immune cells, and its potential mechanisms. TII-175 potently inhibited MCP-1 mRNA expression stimulated by lipopolysaccharide (LPS) in RAW 264.7 macrophages without significant effect on cell viability. Treatment of cells with TI-I-175 markedly prevented LPS-induced transcriptional activation of activator protein-1 (AP-1) as measured by luciferase reporter assay, while nuclear factor-κB (NF-κB) activity was not inhibited by TI-I-175, implying that TI-I-175 suppressed MCP-1 expression probably via regulation of AP-1. In addition, TI-I-175 treatment significantly inhibited LPS-induced Akt phosphorylation and led to a significant decrease in reactive oxygen species (ROS) production by LPS, which act as up-stream signaling events required for AP-1 activation in RAW 264.7 macrophages. Taken together, these results indicate that TI-I-175 suppresses MCP-1 gene expression in LPS-stimulated RAW 264.7 macrophages via suppression of ROS production and Akt activation.
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Affiliation(s)
- Mi Jin Kim
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Taraman Kadayat
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Yeon Ji Um
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Tae Cheon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Eung-Seok Lee
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
| | - Pil-Hoon Park
- College of Pharmacy, Yeungnam University, Gyeongsan 712-749, Republic of Korea
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