1
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Byun HS, Ju E, Park KA, Sohn KC, Jung CS, Hong JH, Ro H, Lee HY, Quan KT, Park I, Na M, Hur GM. Rubiarbonol B induces RIPK1-dependent necroptosis via NOX1-derived ROS production. Cell Biol Toxicol 2023; 39:1677-1696. [PMID: 36163569 DOI: 10.1007/s10565-022-09774-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 09/07/2022] [Indexed: 12/24/2022]
Abstract
The activation of receptor-interacting protein kinase 1 (RIPK1) by death-inducing signaling complex (DISC) formation is essential for triggering the necroptotic mode of cell death under apoptosis-deficient conditions. Thus, targeting the induction of necroptosis by modulating RIPK1 activity could be an effective strategy to bypass apoptosis resistance in certain types of cancer. In this study, we screened a series of arborinane triterpenoids purified from Rubia philippinesis and identified rubiarbonol B (Ru-B) as a potent caspase-8 activator that induces DISC-mediated apoptosis in multiple types of cancer cells. However, in RIPK3-expressing human colorectal cancer (CRC) cells, the pharmacological or genetic inhibition of caspase-8 shifted the mode of cell death by Ru-B from apoptosis to necroptosis though upregulation of RIPK1 phosphorylation. Conversely, Ru-B-induced cell death was almost completely abrogated by RIPK1 deficiency. The enhanced RIPK1 phosphorylation and necroptosis triggered by Ru-B treatment occurred independently of tumor necrosis factor receptor signaling and was mediated by the production of reactive oxygen species via NADPH oxidase 1 in CRC cells. Thus, we propose Ru-B as a novel anticancer agent that activates RIPK1-dependent cell death via ROS production, and suggest its potential as a novel necroptosis-targeting compound in apoptosis-resistant CRC.
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Affiliation(s)
- Hee Sun Byun
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Eunjin Ju
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Kyeong Ah Park
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Kyung-Cheol Sohn
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Chan Seok Jung
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Jang Hee Hong
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Hyunju Ro
- Department of Biological Sciences, College of Biosciences and Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Hoi Young Lee
- Department of Pharmacology, College of Medicine, Konyang University, Daejeon, 35365, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - InWha Park
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST) Gangneung Institute, Gangneung, 25451, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Gang Min Hur
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea.
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2
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Joshi RK. Bioactive Usual and Unusual Triterpenoids Derived from Natural Sources Used in Traditional Medicine. Chem Biodivers 2023; 20:e202200853. [PMID: 36598091 DOI: 10.1002/cbdv.202200853] [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: 09/09/2022] [Revised: 12/10/2022] [Accepted: 01/03/2023] [Indexed: 01/05/2023]
Abstract
Triterpenoids are accessible in several terrestrial plants as well as marine organisms, including sponges, algae, fungi, and sea cucumbers are examples of marine creatures. So far, more than 20,000 natural triterpenoids have exhibited several varied bioactivities, including anticancer, antimalarial, anti-HIV, inhibit HIF-1 activation, antibacterial, chemopreventive, anti-inflammatory, antioxidant, cardioprotective, antiviral, neuroprotective, hepatoprotective, insecticidal, antidiabetic, cytotoxic. Several plants are used in folklore medicine to treat numerous ailments, and the preparation or uses of traditional practices have been scientifically validated. Although various structural diversity has been observed in the triterpenoids, this review presents the sources and uses of those triterpenoids that showed significant biological activities which could be accessible and promoted to familiar people in the form of traditional medicine or for industrial, or pharmaceutical applications.
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Affiliation(s)
- Rajesh K Joshi
- Department of Natural Product Chemistry, ICMR-National Institute of Traditional Medicine, Karnataka, 590010, India
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3
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A new arborinane-type triterpenoid glycoside and three known megastigmanes from the roots of Cyathula officinalis K.C.Kuan. BIOCHEM SYST ECOL 2022. [DOI: 10.1016/j.bse.2022.104489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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4
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Son Y, Quan KT, Shin S, Park S, Na M, Oh S. Lucidin 3-methyl ether from Rubia philippinensis suppresses the proliferation of multiple myeloma cells through the promotion of β-catenin degradation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 99:153971. [PMID: 35196641 DOI: 10.1016/j.phymed.2022.153971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 01/12/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Constitutive accumulation of β-catenin has been frequently observed in multiple myeloma. Extracts from genus Rubia plants exhibit cytotoxic activity against several types of cancer cells; however, little is known about their chemopreventive mechanisms and bioactive metabolites. PURPOSE Purpose: The study aimed to identify the underlying antiproliferative mechanisms of Rubia philippinensis extract in multiple myeloma cells and the major active metabolites responsible for cytotoxic activity of R. philippinensis. METHODS The effects of R. philippinensis extracts and lucidin 3-methyl ether on the Wnt/β-catenin pathway were determined by cell-based reporter assay, Western blot analysis, and RT-PCR. The antiproliferative activity was evaluated by cell viability assay and apoptosis analysis in RPMI8226 and MM.1S multiple myeloma cells. RESULTS R. philippinensis extracts inhibited Wnt/β-catenin signaling and lucidin 3-methyl ether, an anthraquinone derivative, was identified as the major active metabolite responsible for the inhibition of Wnt/β-catenin signaling. Lucidin 3-methyl ether induced β-catenin phosphorylation at Ser33/Ser37/Thr41 residues and promoted proteasomal degradation of β-catenin via a GSK-3β-independent mechanism, thereby downregulating Wnt3a-induced β-catenin response transcription (CRT). Moreover, lucidin 3-methyl ether repressed the expression of β-catenin/T-cell factor (TCF)-dependent genes, such as cyclin D1, c-myc, and axin-2, thus inhibiting MM cell proliferation. Apoptosis was also elicited by lucidin 3-methyl ether, as indicated by the increase in the population of annexin V-FITC positive cells and caspase-3/7 activity in MM cells. CONCLUSION These findings indicate that R. philippinensis and its active metabolite lucidin 3-methyl ether prevent cell proliferation through the suppression of the Wnt/β-catenin pathway and exhibit potential as chemopreventive agents for the treatment of MM.
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Affiliation(s)
- Younglim Son
- Department of Bio and Fermentation Convergence Technology, Kookmin University, 77 Jeongneung-ro, Seoul 02707, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Subeen Shin
- Department of Bio and Fermentation Convergence Technology, Kookmin University, 77 Jeongneung-ro, Seoul 02707, Republic of Korea
| | - Seoyoung Park
- Department of Bio and Fermentation Convergence Technology, Kookmin University, 77 Jeongneung-ro, Seoul 02707, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea.
| | - Sangtaek Oh
- Department of Bio and Fermentation Convergence Technology, Kookmin University, 77 Jeongneung-ro, Seoul 02707, Republic of Korea.
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5
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Quan KT, Park I, Kim CS, Yoshida W, Ferreira D, Thuong PT, Kim YH, Na M, Oh J. Configurational Assignment of a Flexible Benzo[ g]isochromene Stereodiad from Rubia philippinensis and Inhibition of Soluble Epoxide Hydrolase Activity. JOURNAL OF NATURAL PRODUCTS 2021; 84:2594-2599. [PMID: 34427436 DOI: 10.1021/acs.jnatprod.1c00037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A new benzo[g]isochromene possessing a conformationally mobile moiety was identified from Rubia philippinensis. The 2D structure was established utilizing spectrometric and spectroscopic techniques with variable temperatures. The configurational investigation of the flexible moiety was investigated utilizing contemporary NMR-combined computational tools such as DP4, direct J-DP4, and DP4 Plus. The probabilities computed from DP4 Plus analysis, featuring inclusion of an additional geometry optimization process, demonstrated more conclusive probability scores among the analyses used. The configurational assignment was also supported by compositional and molecular orbital analyses. Compound 1 inhibited soluble epoxide hydrolase (IC50 = 0.6 ± 0.01 μM), an enzyme associated with cardiovascular disorders.
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Affiliation(s)
- Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
| | - InWha Park
- Natural Product Informatics Research Center, Korea Institute of Science and Technology (KIST) Gangneung Institute, Gangneung 25451, Republic of Korea
| | - Chung Sub Kim
- School of Pharmacy and Department of Biopharmaceutical Convergence, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Wesley Yoshida
- Department of Chemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
| | - Daneel Ferreira
- Department of BioMolecular Sciences, Division of Pharmacognosy, Research Institute of Pharmaceutical Sciences, School of Pharmacy, The University of Mississippi, University, Mississippi 38677, United States
| | - Phuong Thien Thuong
- Biotechnology Division, Vietnam-Korea Institute of Science and Technology, Hanoi, Vietnam
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Joonseok Oh
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
- Institute of Biomolecular Design and Discovery, Yale University, West Haven, Connecticut 06516, United States
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6
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Kang K, Quan KT, Byun HS, Lee SR, Piao X, Ju E, Park KA, Sohn KC, Shen HM, Na M, Hur GM. 3-O-acetylrubianol C (3AR-C) induces RIPK1-dependent programmed cell death by selective inhibition of IKKβ. FASEB J 2020; 34:4369-4383. [PMID: 32027418 DOI: 10.1096/fj.201902547r] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 01/04/2020] [Accepted: 01/12/2020] [Indexed: 12/31/2022]
Abstract
In tumor necrosis factor (TNF) signaling, phosphorylation and activation of receptor interacting protein kinase 1 (RIPK1) by upstream kinases is an essential checkpoint in the suppression of TNF-induced cell death. Thus, discovery of pharmacological agents targeting RIPK1 may provide new strategies for improving the therapeutic efficacy of TNF. In this study, we found that 3-O-acetylrubianol C (3AR-C), an arborinane triterpenoid isolated from Rubia philippinesis, promoted TNF-induced apoptotic and necroptotic cell death. To identify the molecular mechanism, we found that in mouse embryonic fibroblasts, 3AR-C drastically upregulated RIPK1 kinase activity by selectively inhibiting IKKβ. Notably, 3AR-C did not interfere with IKKα or affect the formation of the TNF receptor1 (TNFR1) complex-I. Moreover, in human cancer cells, 3AR-C was only sufficient to sensitize TNF-induced cell death when c-FLIPL expression was downregulated to facilitate the formation of TNFR1 complex-II and necrosome. Taken together, our study identified a novel arborinane triterpenoid 3AR-C as a potent activator of TNF-induced cell death via inhibition of IKKβ phosphorylation and promotion of the cytotoxic potential of RIPK1, thus providing a rationale for further development of 3AR-C as a selective IKKβ inhibitor to overcome TNF resistance in cancer therpay.
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Affiliation(s)
- Kidong Kang
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Hee Sun Byun
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - So-Ra Lee
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Xuezhe Piao
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Eunjin Ju
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Kyeong Ah Park
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Kyung-Cheol Sohn
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Han-Ming Shen
- Faculty of Health Sciences, University of Macau, Macau, China.,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Gang Min Hur
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
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7
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Quan KT, Min BG, Hwang IH, Choi YJ, Kim SK, Na M. Oleanane triterpenoids from Rubia philippinensis and their inhibitory effect on 20-HETE synthesis. Nat Prod Res 2019; 35:1267-1273. [PMID: 31343260 DOI: 10.1080/14786419.2019.1645656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
A new oleanane triterpenoid (2) was isolated from the roots of Rubia philippinensis. The structure of 2 was determined by analysis of HRMS and NMR data and identified as a rubiprasin analogue, 16β-hydroxyrubiprasin B. Four related known compounds were also encountered which include rubiprasin B (1), maslinic acid (3), 4-epi-hederagenin (4) and oleanolic acid (5). The compounds 3-5 displayed moderate inhibitory activity against the synthesis of the eicosanoid 20-HETE.
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Affiliation(s)
- Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Byung Gu Min
- Pharmaceutical Central R&D Center, Korea United Pharm. Inc, Seoul, Republic of Korea
| | - In Hyun Hwang
- College of Pharmacy, Woosuk University, Wanju, Republic of Korea
| | - Yeon Jung Choi
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Sang Kyum Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
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8
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Park I, Lee W, Kim H, Quan KT, Kim D, Bae JS, Na M. Antithrombotic and Antiplatelet Activities of New Isohopane Triterpene From the Roots of Rubia akane. Nat Prod Commun 2019. [DOI: 10.1177/1934578x19862914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A new isohopane triterpenoid (1) and two known triterpenoids (2-3) were isolated from the roots of Rubia akane (Rubiaceae). The molecular formula C30H46O4 of 1 was determined by HRESIMS. Detailed NMR spectroscopic data analysis suggested that compound 1 is a new isohopane triterpenoid with a ketone moiety at C-16. Based on the key NOE correlations of H-3/H-5 and H-21/H3-28, compound 1 was determined as 3β-hydroxy-16-oxo-21β-isohop-22(29)-en-24-oic acid. The anticoagulant activities of new isohopane 1 were evaluated by monitoring activated partial thromboplastin time (aPTT), prothrombin time (PT), and the activities of thrombin (Factor IIa, FIIa) and activated factor X (FXa). The effects of 1 on expression of plasminogen activator inhibitor type 1 (PAI-1) and tissue-type plasminogen activator (t-PA) were evaluated in tumor necrosis factor-α activated human umbilical vein endothelial cells. Treatment with 1 (200 μM) resulted in the prolongation of aPTT and PT and the inhibition of relative thrombin (28%) and FXa (29%) activities. In addition, 1 inhibited thrombin-catalyzed fibrin polymerization (18% inhibition at 100 μM) and platelet aggregation (21.8% inhibition at 100 μM). Compound 1 also elicited anticoagulant effects in mice in a dose-dependent manner ranging from 18.8 to 94.0 μg/mouse. In addition, treatment with 1 resulted in significant reduction of the PAI-1 to t-PA ratio (25% decreased). Collectively, the new isohopane triterpenoid 1 possesses antithrombotic activities and offers a basis for the development of a new anticoagulant agent.
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Affiliation(s)
- InWha Park
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Wonhwa Lee
- Aging Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
- College of Pharmacy, CMRI, Research Institute of Pharmaceutical Sciences, BK21 Plus KNU Multi-Omics based Creative Drug Research Team, Kyungpook National University, Daegu, Republic of Korea
| | - Hyelim Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
- Aging Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - DaYoung Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Jong-Sup Bae
- College of Pharmacy, CMRI, Research Institute of Pharmaceutical Sciences, BK21 Plus KNU Multi-Omics based Creative Drug Research Team, Kyungpook National University, Daegu, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
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9
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Yu JH, Yu ZP, Wang YY, Bao J, Zhu KK, Yuan T, Zhang H. Triterpenoids and triterpenoid saponins from Dipsacus asper and their cytotoxic and antibacterial activities. PHYTOCHEMISTRY 2019; 162:241-249. [PMID: 30959403 DOI: 10.1016/j.phytochem.2019.03.028] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 02/13/2019] [Accepted: 03/30/2019] [Indexed: 05/26/2023]
Abstract
Phytochemical investigation of the ethyl acetate soluble part, generated from the ethanol extract of the roots of Dipsacus asper, led to the separation and identification of three undescribed triterpenoids including one arborinane type, one ursane type and one oleanane type, two unreported oleanane type triterpenoid arabinoglycosides, and 18 known analogues. Structures of these compounds were determined by comprehensive spectroscopic analyses, with the absolute configurations of 25-acetoxy-28-dehydroxyrubiarbonone E and 2α,3β-dihydroxy-23-norurs-4(24),11,13(18)-trien-28-oic acid being established by evaluation of their experimental and calculated ECD spectra. 25-Acetoxy-28-dehydroxyrubiarbonone E features an oxygenated C-25 that is the first case among arborinane type triterpenoids, while 2α,3β,24-trihydroxy-23-norurs-12-en-28-oic acid incorporates a sp3 C-24 that is a rare structural feature of 23-norursane type triterpenoids. Of these isolates, 2',4'-O-diacetyl-3-O-α-l-arabinopyranosyl-23-hydroxyolea-12-en-28-oic acid and hederagonic acid exhibited moderate antibacterial activity against Staphylococcus aureus with IC50 values of 12.3 and 10.3 μM, respectively, while those with either a feruloyloxy group or an arabinosyl moiety at C-3 displayed potent cytotoxic activities against four tumor cell lines A549, H157, HepG2 and MCF-7.
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Affiliation(s)
- Jin-Hai Yu
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China
| | - Zhi-Pu Yu
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China; School of Chemistry and Chemical Engineering, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China
| | - Yin-Yin Wang
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China
| | - Jie Bao
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China
| | - Kong-Kai Zhu
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China
| | - Tao Yuan
- Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, 830011, China
| | - Hua Zhang
- School of Biological Science and Technology, University of Jinan, 336 West Road of Nan Xinzhuang, Jinan, 250022, China.
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10
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Alam MB, Bajpai VK, Ra JS, Lim JY, An H, Shukla S, Quan KT, Khan I, Huh YS, Han YK, Na M, Lee SH. Anthraquinone-type inhibitor of α-glucosidase enhances glucose uptake by activating an insulin-like signaling pathway in C2C12 myotubes. Food Chem Toxicol 2019; 129:337-343. [PMID: 31071387 DOI: 10.1016/j.fct.2019.05.005] [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: 12/28/2018] [Revised: 04/03/2019] [Accepted: 05/04/2019] [Indexed: 12/17/2022]
Abstract
This study assesses the ability of anthraquinone derivative, 2-methyl-1,3,6-trihydroxy-9,10-anthraquinone (MTAQ) to decrease postprandial hyperglycemia or enhance glucose uptake and to elucidate the underlying molecular mechanism. We investigated α-glucosidase inhibition, glucose uptake, and translocation of glucose transporter 4 (GLUT4) in C2C12 myotubes. The data indicate that MTAQ strongly inhibited α-glucosidase activity in a concentration-dependent manner, with an IC50 value of 6.49 ± 1.31 μM, and functioned as a reversible competitive inhibitor, with a dissociation constant of 41.88 μM. Moreover, MTAQ significantly augmented basal and insulin-stimulated glucose uptake as well as translocation of GLUT4 to the plasma membrane. It also stimulated the phosphorylation of insulin receptor β isoform, insulin receptor substrate-1,3-phosphoinositide-dependent protein kinase 1, and protein kinase B (AKT). A pretreatment with an AKT inhibitor, LY294002, attenuated the ability of MTAQ to activate an insulin-like signaling pathway and to enhance basal and insulin-stimulated glucose uptake and stimulate GLUT4 translocation to the plasma membrane. These findings reveal the fact that MTAQ may have potential for the development of new antidiabetic drugs to manage blood glucose levels.
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Affiliation(s)
- Md Badrul Alam
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea
| | - Vivek K Bajpai
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Jeong-Sic Ra
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea
| | - Ji-Young Lim
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea
| | - Hongyan An
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea
| | - Shruti Shukla
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Imran Khan
- Department of Biological Engineering, Biohybrid Systems Research Center (BSRC), Inha University, 100 Inha-ro, Nam-gu, Incheon, 22212, Republic of Korea
| | - Yun Suk Huh
- Department of Biological Engineering, Biohybrid Systems Research Center (BSRC), Inha University, 100 Inha-ro, Nam-gu, Incheon, 22212, Republic of Korea.
| | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea.
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Sang-Han Lee
- Department of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, South Korea.
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11
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Zhang CY, Zhang LJ, Lu ZC, Ma CY, Ye Y, Rahman K, Zhang H, Zhu JY. Antitumor Activity of Diterpenoids from Jatropha gossypiifolia: Cell Cycle Arrest and Apoptosis-Inducing Activity in RKO Colon Cancer Cells. JOURNAL OF NATURAL PRODUCTS 2018; 81:1701-1710. [PMID: 30106289 DOI: 10.1021/acs.jnatprod.7b01036] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nine new minor diterpenoids, jatrogossones A-I (1-9), and six known analogues (10-15) were separated from an extract of the branches and leaves of Jatropha gosspiifolia. Compounds 4-6 and 10, possessing a 5/11 fused-ring skeleton, and 8, 9, and 13, with a 5/9/5 fused-ring skeleton, represent rare diterpenoid skeletons that have been found only in compounds isolated from plants of the Jatropha genus. The absolute configurations of 1-10 were defined by using a combination of electronic circular dichroism data analysis and single-crystal X-ray diffraction data. The cytotoxicity of the diterpenoids was evaluated using RKO and LOVO colon cancer cells in which regenerating islet-derived protein 3-alpha (Reg3A) is highly expressed. Compound 12 exhibited cytotoxicity against RKO colon cancer cells with an IC50 value of 2.6 μM. Morphological features of apoptosis and antimigration activities were evaluated in 12-treated RKO cells. Compound 12 effectively induced apoptosis of RKO, which was associated with G2/M-phase cell cycle arrest. Flow cytometric analysis showed that the treatment by 12 significantly induced RKO cell apoptosis in a dose-dependent manner.
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Affiliation(s)
- Chun-Yan Zhang
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Li-Jun Zhang
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Zhi-Cheng Lu
- Medical Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Chen-Yun Ma
- Medical Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Ying Ye
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Khalid Rahman
- Faculty of Science, School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool L3 3AF , U.K
| | - Hong Zhang
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Jian-Yong Zhu
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
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Bajpai VK, Alam MB, Quan KT, Choi HJ, An H, Ju MK, Lee SH, Huh YS, Han YK, Na M. Cytotoxic properties of the anthraquinone derivatives isolated from the roots of Rubia philippinensis. Altern Ther Health Med 2018; 18:200. [PMID: 29970094 PMCID: PMC6029275 DOI: 10.1186/s12906-018-2253-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 06/07/2018] [Indexed: 02/02/2023]
Abstract
Background Cancer is one of the most frequently occurring diseases and is the second leading cause of death worldwide. In this study, anthraquinone derivatives (Compounds 1–5) were evaluated for their anti-cancer potential against various skin and breast cancer cell lines to assess whether these anthraquinone derivatives may serve as a lead for the augmentation of anti-cancer drug. Methods Anthraquinone derivatives, 2-methyl-1,3,6-trihydroxy-9,10-anthraquinone-3-O-(6′-O-acetyl)-α-rhamnosyl(1 → 2)-β-glucoside (Comp 1), 2-methyl-1,3,6-trihydroxy-9,10-anthraquinone (Comp 2), and alizarin (Comp 3) were isolated from the dichloromethane fraction of the roots of Rubia philippinensis., whereas ethyl acetate fraction yielded xanthopurpurin (Comp 4) and lucidin-ω-methyl ether (Comp 5). Structures of all the isolated compounds were determined by spectral data analysis. All isolated compounds (Comp 1–5) were assessed for cytotoxicity by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay against four different cancer cell lines, i.e. human melanoma (SK-MEL-5), murine melanoma (B16F10), and human breast adenocarcinoma (MCF7 and MDA-MB-231). Results Significant activity of the compounds 4 and 5 was observed against the breast cancer cell line MDA-MB-231 with IC50 values of 14.65 ± 1.45 and 13.03 ± 0.33 μM, respectively. Encouragingly, IC50 values of 67.89 ± 1.02 and 79.01 ± 0.03 μM against normal kidney epithelial cells (MDCK) were also obtained for compounds 4 and 5, respectively, which indicated very low toxicity and favorable selectivity indices for compounds 4 and 5 in the range of 1.85 to 3.95 and 2.11 to 6.06 against skin cancer cell lines (SK-MEL-5, and B16F10), and breast cancer cell lines (MCF7 and MDA-MB-231), respectively. Conclusion Our results suggested that the compounds 4 (xanthopurpurin) and 5 (lucidin-ω-methyl ether) showed high selective toxicity towards breast cancer cells at lower concentrations without showing toxicity towards normal cells, thus could be of potential as new lead molecules in cancer treatment. Electronic supplementary material The online version of this article (10.1186/s12906-018-2253-2) contains supplementary material, which is available to authorized users.
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Wang JT, Ge D, Qu HF, Wang GK, Wang G. Chemical constituents of Curcuma kwangsiensis and their antimigratory activities in RKO cells. Nat Prod Res 2018; 33:3493-3499. [DOI: 10.1080/14786419.2018.1484463] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ju-Tao Wang
- School of Pharmacy, Anhui University of Chinese Medicine , Hefei, P.R. China
- Synergetic Innovation Center of Anhui Authentic Chinese Medicine Quality Improvement , Hefei, P.R. China
| | - Ding Ge
- School of Pharmacy, Anhui University of Chinese Medicine , Hefei, P.R. China
| | - Hai-Fang Qu
- Taihe Country in Anhui Province Limin Chinese Medicinal Materials Co. Ltd , Fuyang, P.R. China
| | - Guo-Kai Wang
- School of Pharmacy, Anhui University of Chinese Medicine , Hefei, P.R. China
- Synergetic Innovation Center of Anhui Authentic Chinese Medicine Quality Improvement , Hefei, P.R. China
| | - Gang Wang
- School of Pharmacy, Anhui University of Chinese Medicine , Hefei, P.R. China
- Synergetic Innovation Center of Anhui Authentic Chinese Medicine Quality Improvement , Hefei, P.R. China
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Bajpai VK, Alam MB, Quan KT, Ju MK, Majumder R, Shukla S, Huh YS, Na M, Lee SH, Han YK. Attenuation of inflammatory responses by (+)-syringaresinol via MAP-Kinase-mediated suppression of NF-κB signaling in vitro and in vivo. Sci Rep 2018; 8:9216. [PMID: 29907781 PMCID: PMC6003921 DOI: 10.1038/s41598-018-27585-w] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 03/16/2018] [Indexed: 01/23/2023] Open
Abstract
We examined the anti-inflammatory effects of (+)-syringaresinol (SGRS), a lignan isolated from Rubia philippinensis, in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells using enzyme-based immuno assay, Western blotting, and RT-PCR analyses. Additionally, in vivo effects of SGRS in the acute inflammatory state were examined by using the carrageenan-induced hind paw edema assay in experimental mice. As a result, treatment with SGRS (25, 50, and 100 μM) inhibited protein expression of lipopolysaccharide-stimulated inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and nuclear factor kappa B (NF-κB) as well as production of nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-alpha (TNF-α), interleukin-1beta (IL-1β), and interleukin-6 (IL-6) induced by LPS. Moreover, SGRS also reduced LPS-induced mRNA expression levels of iNOS and COX-2, including NO, PGE2, TNF-α, IL-1β, and IL-6 cytokines in a dose-dependent fashion. Furthermore, carrageenan-induced paw edema assay validated the in vivo anti-edema effect of SGRS. Interestingly, SGRS (30 mg/kg) suppressed carrageenan-induced elevation of iNOS, COX-2, TNF-α, IL-1β, and IL-6 mRNA levels as well as COX-2 and NF-κB protein levels, suggesting SGRS may possess anti-inflammatory activities.
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Affiliation(s)
- Vivek K Bajpai
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Md Badrul Alam
- Departments of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Mi-Kyoung Ju
- Departments of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Rajib Majumder
- Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia.,NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute (EMAI), Menangle, NSW, 2567, Australia
| | - Shruti Shukla
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Yun Suk Huh
- Department of Biological Engineering, Inha University, 100 Inha-ro, Nam-gu, Incheon, 22212, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Sang Han Lee
- Departments of Food Science and Biotechnology, Graduate School, Kyungpook National University, Daegu, 41566, Republic of Korea.
| | - Young-Kyu Han
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea.
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An Y, Quan KT, Gwak J, Ju BG, Na M, Oh S. Activation of the p53 pathway with digiferrol isolated from Rubia philippinensis induces cell cycle arrest, apoptosis, and autophagy in colon cancer cells. Food Chem Toxicol 2018; 118:514-522. [PMID: 29842910 DOI: 10.1016/j.fct.2018.05.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 05/14/2018] [Accepted: 05/23/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Younju An
- Department of Bio and Fermentation Convergence Technology, BK21 PLUS Program, Kookmin University, Seoul, 136-702, Republic of Korea
| | - Khong Trong Quan
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jungsug Gwak
- Department of Life Science, Sogang University, Seoul, 121-742, Republic of Korea
| | - Bong Gun Ju
- Department of Life Science, Sogang University, Seoul, 121-742, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Sangtaek Oh
- Department of Bio and Fermentation Convergence Technology, BK21 PLUS Program, Kookmin University, Seoul, 136-702, Republic of Korea.
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Techniques for the analysis of pentacyclic triterpenoids in medicinal plants. J Sep Sci 2017; 41:6-19. [DOI: 10.1002/jssc.201700201] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 08/04/2017] [Accepted: 08/20/2017] [Indexed: 12/21/2022]
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