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Tian XH, Hong LL, Jiao WH, Lin HW. Natural sesquiterpene quinone/quinols: chemistry, biological activity, and synthesis. Nat Prod Rep 2023; 40:718-749. [PMID: 36636914 DOI: 10.1039/d2np00045h] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Covering: 2010 to 2021Sesquiterpene quinone/quinols (SQs) are characterized by a C15-sesquiterpenoid unit incorporating a C6-benzoquinone/quinol moiety. Numerous unprecedented carbon skeletons have been constructed with various connection patterns between the two parts. The potent anti-cancer, anti-inflammatory, anti-microbial, anti-viral, and fibrinolytic activities of SQs are associated with their diverse structures. The representative avarol has even entered the stage of clinical phase II research as an anti-HIV agent, and was developed as paramedic medicine against psoriasis. This review provides an overall summary of 558 new natural SQs discovered between 2010 and 2021, including seven groups and sixteen structure-type subgroups, which comprehensively recapitulates their chemical structures, spectral characteristics, source organisms, biological activities, synthesis, and biosynthesis, aiming to expand the application scope of this unique natural product resource.
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Affiliation(s)
- Xin-Hui Tian
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China.
| | - Li-Li Hong
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
| | - Wei-Hua Jiao
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
| | - Hou-Wen Lin
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
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Albalawi RS, Binmahfouz LS, Hareeri RH, Shaik RA, Bagher AM. Parthenolide Phytosomes Attenuated Gentamicin-Induced Nephrotoxicity in Rats via Activation of Sirt-1, Nrf2, OH-1, and NQO1 Axis. Molecules 2023; 28:molecules28062741. [PMID: 36985711 PMCID: PMC10053629 DOI: 10.3390/molecules28062741] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
Nephrotoxicity is a serious complication that limits the clinical use of gentamicin (GEN). Parthenolide (PTL) is a sesquiterpene lactone derived from feverfew with various therapeutic benefits. However, PTL possesses low oral bioavailability. This study aimed to evaluate the therapeutic protective effects of PTL-phytosomes against GEN-induced nephrotoxicity in rats. The PTL was prepared as phytosomes to improve the pharmacological properties with a particle size of 407.4 nm, and surface morphology showed oval particles with multiple edges. Rats were divided into six groups: control, nano-formulation plain vehicle, PTL-phytosomes (10 mg/kg), GEN (100 mg/kg), GEN + PTL-phytosomes (5 mg/kg), and GEN + PTL-phytosomes (10 mg/kg). The administration of PTL-phytosomes alleviated GEN-induced impairment in kidney functions and histopathological damage, and decreased kidney injury molecule-1 (KIM-1). The anti-oxidative effect of PTL-phytosomes was demonstrated by the reduced malondialdehyde (MDA) concentration and increased superoxide dismutase (SOD) and catalase (CAT) activities. Furthermore, PTL-phytosomes treatment significantly enhanced sirtuin 1 (Sirt-1), nuclear factor erythroid-2-related factor-2 (Nrf2), NAD(P)H quinone dehydrogenase 1 (NQO1), and heme oxygenase-1 (HO-1). Additionally, PTL-phytosomes treatment exhibited anti-inflammatory and anti-apoptotic properties in the kidney tissue. These findings suggest that PTL-phytosomes attenuate renal dysfunction and structural damage by reducing oxidative stress, inflammation, and apoptosis in the kidney.
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Affiliation(s)
- Rawan S Albalawi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Lenah S Binmahfouz
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rawan H Hareeri
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rasheed A Shaik
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Amina M Bagher
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Casertano M, Genovese M, Santi A, Pranzini E, Balestri F, Piazza L, Del Corso A, Avunduk S, Imperatore C, Menna M, Paoli P. Evidence of Insulin-Sensitizing and Mimetic Activity of the Sesquiterpene Quinone Avarone, a Protein Tyrosine Phosphatase 1B and Aldose Reductase Dual Targeting Agent from the Marine Sponge Dysidea avara. Pharmaceutics 2023; 15:pharmaceutics15020528. [PMID: 36839851 PMCID: PMC9964544 DOI: 10.3390/pharmaceutics15020528] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/18/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a complex disease characterized by impaired glucose homeostasis and serious long-term complications. First-line therapeutic options for T2DM treatment are monodrug therapies, often replaced by multidrug therapies to ensure that non-responding patients maintain target glycemia levels. The use of multitarget drugs instead of mono- or multidrug therapies has been emerging as a main strategy to treat multifactorial diseases, including T2DM. Therefore, modern drug discovery in its early stages aims to identify potential modulators for multiple targets; for this purpose, exploration of the chemical space of natural products represents a powerful tool. Our study demonstrates that avarone, a sesquiterpene quinone obtained from the sponge Dysidea avara, is capable of inhibiting in vitro PTP1B, the main negative regulator of the insulin receptor, while it improves insulin sensitivity, and mitochondria activity in C2C12 cells. We observe that when avarone is administered alone, it acts as an insulin-mimetic agent. In addition, we show that avarone acts as a tight binding inhibitor of aldose reductase (AKR1B1), the enzyme involved in the development of diabetic complications. Overall, avarone could be proposed as a novel natural hit to be developed as a multitarget drug for diabetes and its pathological complications.
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Affiliation(s)
- Marcello Casertano
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy
| | - Massimo Genovese
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Alice Santi
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Erica Pranzini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
| | - Francesco Balestri
- Biochemistry Unit, Department of Biology, University of Pisa, Via S. Zeno 51, 56123 Pisa, Italy
- Interdepartmental Research Center for Marine Pharmacology, Via Bonanno 6, 56126 Pisa, Italy
| | - Lucia Piazza
- Biochemistry Unit, Department of Biology, University of Pisa, Via S. Zeno 51, 56123 Pisa, Italy
| | - Antonella Del Corso
- Biochemistry Unit, Department of Biology, University of Pisa, Via S. Zeno 51, 56123 Pisa, Italy
- Interdepartmental Research Center for Marine Pharmacology, Via Bonanno 6, 56126 Pisa, Italy
| | - Sibel Avunduk
- Medical Laboratory Programme, Vocational School of Health Care, Mugla University, Marmaris 48187, Turkey
| | - Concetta Imperatore
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy
| | - Marialuisa Menna
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy
- Correspondence: (M.M.); (P.P.); Tel.: +39-081678518 (M.M.); +39-0552751248 (P.P.)
| | - Paolo Paoli
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy
- Correspondence: (M.M.); (P.P.); Tel.: +39-081678518 (M.M.); +39-0552751248 (P.P.)
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Use of Cytokine Mix-, Imiquimod-, and Serum-Induced Monoculture and Lipopolysaccharide- and Interferon Gamma-Treated Co-Culture to Establish In Vitro Psoriasis-like Inflammation Models. Cells 2021; 10:cells10112985. [PMID: 34831208 PMCID: PMC8616089 DOI: 10.3390/cells10112985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 11/25/2022] Open
Abstract
Psoriasis (Ps), commonly perceived as a skin and joint disorder, has a complex basis and results from disturbances in the sophisticated network between skin and the immune system. This makes it difficult to properly depict the complete pathomechanism on an in vitro scale. Deciphering the complicated or even subtle modulation of intra- and intercellular factors, assisted by the implementation of in vitro human skin models, may provide the opportunity to dissect the disease background step by step. In addition to reconstructed artificial skin substitutes, which mimic the native physiological context, in vitro models are conducive to the broad “3 Rs” philosophy (reduce, refine, and replace) and represent important tools for basic and applied skin research. To meet the need for a more comprehensive in vitro Ps model, a set of various experimental conditions was applied in this study. The selection of in vitro treatment that mimicked the Ps phenotype was illustrated by analyses of discriminating biomarker genes involved in the pathogenesis of the disease, i.e., keratinocyte differentiation markers, antimicrobial peptides, chemokines, and proliferation markers. This resulted in a reproducible protocol for the use of the primary skin keratinocyte (pKC) monoculture treated with a cytokine cocktail (5MIX, i.e., interleukin (IL) 1 alpha (IL-1α), IL-17A, IL-22, oncostatin M (OSM), and tumour necrosis factor alpha (TNF-α)) at a calcium (Ca2+) concentration (i.e., 2 mM) in an applied medium, which best mirrored the in vitro Ps-like inflammatory model. In addition, based on waste skin material, the method has the potential for extensive experimentation, both in detailed molecular studies and preclinical tests.
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Investigating the Antiparasitic Potential of the Marine Sesquiterpene Avarone, Its Reduced form Avarol, and the Novel Semisynthetic Thiazinoquinone Analogue Thiazoavarone. Mar Drugs 2020; 18:md18020112. [PMID: 32075136 PMCID: PMC7074381 DOI: 10.3390/md18020112] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/06/2020] [Accepted: 02/11/2020] [Indexed: 12/26/2022] Open
Abstract
The chemical analysis of the sponge Dysidea avara afforded the known sesquiterpene quinone avarone, along with its reduced form avarol. To further explore the role of the thiazinoquinone scaffold as an antiplasmodial, antileishmanial and antischistosomal agent, we converted the quinone avarone into the thiazinoquinone derivative thiazoavarone. The semisynthetic compound, as well as the natural metabolites avarone and avarol, were pharmacologically investigated in order to assess their antiparasitic properties against sexual and asexual stages of Plasmodium falciparum, larval and adult developmental stages of Schistosomamansoni (eggs included), and also against promastigotes and amastigotes of Leishmania infantum and Leishmania tropica. Furthermore, in depth computational studies including density functional theory (DFT) calculations were performed. A toxic semiquinone radical species which can be produced starting both from quinone- and hydroquinone-based compounds could mediate the anti-parasitic effects of the tested compounds.
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A V, S A, Kuriakose J, Midhun SJ, Jyothis M, Latha MS. Protective effect of Rotula aquatica Lour against gentamicin induced oxidative stress and nephrotoxicity in Wistar rats. Biomed Pharmacother 2018; 106:1188-1194. [PMID: 30119187 DOI: 10.1016/j.biopha.2018.07.066] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 07/10/2018] [Accepted: 07/13/2018] [Indexed: 01/01/2023] Open
Abstract
Gentamicin is an aminoglycoside antibiotic widely used for the treatment of life-threatening infections caused by Gram-negative bacteria. The use of gentamicin was limited due to its ototoxic and nephrotoxic adverse effects. The current study was designed to evaluate the protective effect of ethyl acetate fraction from Rotula aquatica (EFRA) against gentamicin induced nephrotoxicity. The antioxidant enzymes status, lipid peroxidation, nitrate and ROS level, serum markers like creatinine, Urea, BUN were estimated in the present study. The histopathological analysis of renal tissues was done by H&E and PAS staining. The mRNA level expression of KIM-1, NF-κB, TNF- α, and IL-6 were measured by semi-quantitative reverse transcription-polymerase chain reaction. The changes in antioxidant parameters were restored by the treatment of EFRA at different dose (50 mg/kg bwt, 100 mg/kg bwt). The serum parameters, ROS, MDA and nitrate level were decreased by administration of EFRA. The EFRA ameliorates histological changes associated with gentamicin induced nephrotoxicity. The mRNA level expression of KIM-1, NF-κB, TNF- α, and IL-6 were downregulated in EFRA treated groups. The results from present study reveals the role of EFRA as good anti-inflammatory and nephro protective drug.
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Affiliation(s)
- Vysakh A
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - Abhilash S
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - Jayesh Kuriakose
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - Sebastian Jose Midhun
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - Mathew Jyothis
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India
| | - M S Latha
- School of Biosciences, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, India.
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Abdjul DB, Yamazaki H, Takahashi O, Kirikoshi R, Ukai K, Namikoshi M. Sesquiterpene Hydroquinones with Protein Tyrosine Phosphatase 1B Inhibitory Activities from a Dysidea sp. Marine Sponge Collected in Okinawa. JOURNAL OF NATURAL PRODUCTS 2016; 79:1842-1847. [PMID: 27336796 DOI: 10.1021/acs.jnatprod.6b00367] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Three new sesquiterpene hydroquinones, avapyran (1), 17-O-acetylavarol (2), and 17-O-acetylneoavarol (3), were isolated from a Dysidea sp. marine sponge collected in Okinawa together with five known congeners: avarol (4), neoavarol (5), 20-O-acetylavarol (6), 20-O-acetylneoavarol (7), and 3'-aminoavarone (8). The structures of 1-3 were assigned on the basis of their spectroscopic data. Compounds 1-3 inhibited the activity of protein tyrosine phosphatase 1B with IC50 values of 11, 9.5, and 6.5 μM, respectively, while known compounds 4-8 gave IC50 values of 12, >32, 10, 8.6, and 18 μM, respectively. In a preliminary investigation on structure-activity relationships, six ester and methoxy derivatives (9-14) were prepared from 4 and 5.
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Affiliation(s)
- Delfly B Abdjul
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
- Faculty of Fisheries and Marine Science, Sam Ratulangi University , Kampus Bahu, Manado 95115, Indonesia
| | - Hiroyuki Yamazaki
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Ohgi Takahashi
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Ryota Kirikoshi
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Kazuyo Ukai
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Michio Namikoshi
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
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Peng XQ, Zhou HF, Lu YY, Chen JK, Wan HT, Zhang YY. Protective effects of Yinhuapinggan granule on mice with influenza viral pneumonia. Int Immunopharmacol 2016; 30:85-93. [DOI: 10.1016/j.intimp.2015.11.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Revised: 11/15/2015] [Accepted: 11/22/2015] [Indexed: 01/03/2023]
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Vilipić J, Novaković I, Stanojković T, Matić I, Šegan D, Kljajić Z, Sladić D. Synthesis and biological activity of amino acid derivatives of avarone and its model compound. Bioorg Med Chem 2015; 23:6930-42. [DOI: 10.1016/j.bmc.2015.09.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 09/23/2015] [Accepted: 09/26/2015] [Indexed: 10/23/2022]
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Namba T, Kodama R. Avarol induces apoptosis in pancreatic ductal adenocarcinoma cells by activating PERK-eIF2α-CHOP signaling. Mar Drugs 2015; 13:2376-89. [PMID: 25894488 PMCID: PMC4413216 DOI: 10.3390/md13042376] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 03/28/2015] [Accepted: 04/08/2015] [Indexed: 01/05/2023] Open
Abstract
Avarol is a sesquiterpenoid hydroquinone with potent cytotoxicity. Although resolving endoplasmic reticulum (ER) stress is essential for intracellular homeostasis, erratic or excessive ER stress can lead to apoptosis. Here, we reported that avarol selectively induces cell death in pancreatic ductal adenocarcinomas (PDAC), which are difficult to treat owing to the availability of few chemotherapeutic agents. Analyses of the molecular mechanisms of avarol-induced apoptosis indicated upregulation of ER stress marker BiP and ER stress-dependent apoptosis inducer CHOP in PDAC cells but not in normal cells, suggesting that avarol selectively induces ER stress responses. We also showed that avarol activated the PERK–eIF2α pathway but did not affect the IRE1 and ATF6 pathways. Moreover, CHOP downregulation was significantly suppressed by avarol-induced apoptosis. Thus, the PERK–eIF2α–CHOP signaling pathway may be a novel molecular mechanism of avarol-induced apoptosis. The present data indicate that avarol has potential as a chemotherapeutic agent for PDAC and induces apoptosis by activating the PERK–eIF2α pathway.
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Affiliation(s)
- Takushi Namba
- Science Research Center, Kochi University, Kohasu, Oko-cho, Nankoku-shi, Kochi 783-8505, Japan.
| | - Rika Kodama
- Science Research Center, Kochi University, Kohasu, Oko-cho, Nankoku-shi, Kochi 783-8505, Japan.
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Subramanian P, Anandan R, Jayapalan JJ, Hashim OH. Hesperidin protects gentamicin-induced nephrotoxicity via Nrf2/HO-1 signaling and inhibits inflammation mediated by NF-κB in rats. J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.12.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Shan WG, Ying YM, Ma LF, Zhan ZJ. Drimane-Related Merosesquiterpenoids, a Promising Library of Metabolites for Drug Development. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2015. [DOI: 10.1016/b978-0-444-63473-3.00006-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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A pseudopterane diterpene isolated from the octocoral Pseudopterogorgia acerosa inhibits the inflammatory response mediated by TLR-ligands and TNF-alpha in macrophages. PLoS One 2013; 8:e84107. [PMID: 24358331 PMCID: PMC3865250 DOI: 10.1371/journal.pone.0084107] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2013] [Accepted: 11/12/2013] [Indexed: 01/04/2023] Open
Abstract
Several diterpenoids isolated from terrestrial and marine environments have been identified as important anti-inflammatory agents. Although considerable progress has been made in the area of anti-inflammatory treatment, the search for more effective and safer compounds is a very active field of research. In this study we investigated the anti-inflammatory effects of a known pseudopterane diterpene (referred here as compound 1) isolated from the octocoral Pseudopterogorgia acerosa on the tumor necrosis factor- alpha (TNF-α) and TLRs- induced response in macrophages. Compound 1 inhibited the expression and secretion of the inflammatory mediators TNF-α, interleukin (IL)-6, IL-1β, nitric oxide (NO), interferon gamma-induced protein 10 (IP-10), ciclooxygenase (COX)-2, inducible nitric oxide synthase (iNOS) and monocyte chemoattractant protein-1 (MCP-1) induced by LPS in primary murine macrophages. This effect was associated with the inhibition of IκBα degradation and subsequent activation of NFκB. Compound 1 also inhibited the expression of the co-stimulatory molecules CD80 and CD86, which is a hallmark of macrophage activation and consequent initiation of an adaptive immune response. The anti-inflammatory effect was not exclusive to LPS because compound 1 also inhibited the response of macrophages to TNF-α and TLR2 and TLR3 ligands. Taken together, these results indicate that compound 1 is an anti-inflammatory molecule, which modulates a variety of processes occurring in macrophage activation.
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Andrés RM, Montesinos MC, Navalón P, Payá M, Terencio MC. NF-κB and STAT3 inhibition as a therapeutic strategy in psoriasis: in vitro and in vivo effects of BTH. J Invest Dermatol 2013; 133:2362-2371. [PMID: 23594598 DOI: 10.1038/jid.2013.182] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 01/14/2013] [Accepted: 03/04/2013] [Indexed: 12/18/2022]
Abstract
Benzo[b]thiophen-2-yl-3-bromo-5-hydroxy-5H-furan-2-one (BTH) is a simple and interesting synthetic derivative of petrosaspongiolide M, a natural compound isolated from a sea sponge with demonstrated potent anti-inflammatory activity through inhibition of the NF-κB signaling pathway. In the present study, we report the in vitro and in vivo pharmacological effect of BTH on some parameters related to the innate and adaptive response in the pathogenesis of psoriasis. BTH inhibited the release of some of the key psoriatic cytokines such as tumor necrosis factor α, IL-8, IL-6, and CCL27 through the downregulation of NF-κB in normal human keratinocytes. Moreover, it impaired signal transducers and activators of transcription 3 (STAT3) phosphorylation and translocation to the nucleus, which resulted in decreased keratinocyte proliferation. These results were confirmed in vivo in two murine models of psoriasis: the epidermal hyperplasia induced by 12-O-tetradecanoylphorbol-13-acetate and the imiquimod-induced skin inflammation model. In both cases, topical administration of BTH prevented skin infiltration and hyperplasia through suppression of NF-κB and STAT3 phosphorylation. Our results confirm the pivotal role of both transcriptional factors in skin inflammation, as occurs in psoriasis, and highlight the potential of small molecules as therapeutic agents for the treatment of this skin disease, with BTH being a potential candidate for future drug research.
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Affiliation(s)
- Rosa M Andrés
- Department of Pharmacology, Faculty of Pharmacy, University of Valencia, Valencia, Spain; Center of Molecular Recognition and Technological Development, University of Valencia, Valencia, Spain
| | - M Carmen Montesinos
- Department of Pharmacology, Faculty of Pharmacy, University of Valencia, Valencia, Spain; Center of Molecular Recognition and Technological Development, University of Valencia, Valencia, Spain
| | - Pedro Navalón
- Department of Urology, General University Hospital of Valencia, Valencia, Spain
| | - Miguel Payá
- Department of Pharmacology, Faculty of Pharmacy, University of Valencia, Valencia, Spain; Center of Molecular Recognition and Technological Development, University of Valencia, Valencia, Spain
| | - M Carmen Terencio
- Department of Pharmacology, Faculty of Pharmacy, University of Valencia, Valencia, Spain; Center of Molecular Recognition and Technological Development, University of Valencia, Valencia, Spain.
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Alshorafa AKH, Guo Q, Zeng F, Chen M, Tan G, Tang Z, Yin R. Psoriasis is associated with low serum levels of hydrogen sulfide, a potential anti-inflammatory molecule. TOHOKU J EXP MED 2013; 228:325-32. [PMID: 23132229 DOI: 10.1620/tjem.228.325] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Psoriasis, characterized by circumscribed, red, thickened plaques with an overlying silver-white scale, is a common T-cell-mediated chronic inflammatory skin disease. Although hydrogen sulfide (H(2)S) has been shown to be a signaling molecule with both pro- or anti-inflammatory effects, its relationship with psoriasis has not been elucidated. In the present study, 15 patients with chronic progressive psoriasis and 15 healthy volunteers were investigated. Serum H(2)S levels in psoriasis patients were significantly lower than those of healthy controls (16.69 ± 5.47 μM vs. 34.5 ± 6.39 μM). In contrast, serum levels of tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6) and interleukin-8 (IL-8) were significantly higher in psoriasis patients than healthy controls (22.88 ± 6.24 pg/ml vs. 12.07 ± 3.68 pg/ml; 61.47 ± 8.21 pg/ml vs. 31.54 ± 13.73 pg/ml; and 39.43 ± 8.56 pg/ml vs. 20.55 ± 6.45 pg/ml, respectively). The serum H(2)S levels negatively correlated with clinical disease severity. Furthermore, treatment of HaCaT human keratinocytes with TNF-α increased the levels of nitric oxide (NO), IL-6 and IL-8 (32.21 ± 5.71 μM vs. 3.22 ± 0.98 μM; 203.96 ± 13.16 pg/ml vs. 13.57 ± 3.75 pg/ml; and 301.24 ± 30.17 pg/ml vs. 29.06 ± 10.91 pg/ml, respectively) in the culture media. Exogenous H(2)S inhibited the TNF-α-mediated upregulation of NO, IL-6 and IL-8 in a dose-dependent manner. In addition, H(2)S inhibited TNF-α-mediated activation of p38, extracellular-signal-regulated kinase and nuclear factor kappa B. In conclusion, H(2)S may play a protective role in the pathogenesis of psoriasis. H(2)S-releasing agents may be promising therapeutics for psoriasis.
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Affiliation(s)
- Ammar K H Alshorafa
- Department of Dermatology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, P.R. China
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De Caralt S, Bry D, Bontemps N, Turon X, Uriz MJ, Banaigs B. Sources of secondary metabolite variation in Dysidea avara (Porifera: Demospongiae): the importance of having good neighbors. Mar Drugs 2013; 11:489-503. [PMID: 23429282 PMCID: PMC3640394 DOI: 10.3390/md11020489] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 01/04/2013] [Accepted: 01/24/2013] [Indexed: 11/22/2022] Open
Abstract
Several studies report temporal, geographical, and intra-individual variation in sponge metabolite yields. However, the internal and/or external factors that regulate the metabolite production remain poorly understood. Dysidea avara is a demosponge that produces sesquiterpenoids (avarol and derivatives) with interesting medical properties, which has prompted addressed studies to obtain enough amounts of these metabolites for research on drug discovery. Within this framework, specimens of Dysidea avara from apopulation of the Northwest Mediterranean were sampled and their secondary metabolites quantified to assess their variability and the possible relationship with external (seasonality, interactions with neighbors) and internal (reproductive stages) factors. The results show a variation of the amount of both avarol and its monoacetate derivative with time, with no clear relationship with seawater temperature. A trade-off with sponge reproduction was not found either. However, our results showed for the first time that sponges are able to increase production or accumulation of secondary metabolites in their peripheral zone depending on the nature of their neighbors. This finding could explain part of the high variability in the amount of secondary metabolites usually found in chemical ecology studies on sponges and opens new biotechnological approaches to enhance the metabolite yield in sponge cultures.
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Affiliation(s)
- Sonia De Caralt
- Center for Advanced Studies of Blanes (CEAB-CSIC), Accés a la Cala St Francesc 14, 17300 Blanes, Girona, Spain; E-Mails: (X.T.); (M.-J.U.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +34-972-336-101; Fax: +34-972-337-806
| | - Delphine Bry
- Environmental and Biomolecular Chemistry Laboratory, University of Perpignan Via Domita, 52 Paul Alduy Ave., Perpignan Cedex 66860, France; E-Mails: (D.B.); (N.B.); (B.B.)
| | - Nataly Bontemps
- Environmental and Biomolecular Chemistry Laboratory, University of Perpignan Via Domita, 52 Paul Alduy Ave., Perpignan Cedex 66860, France; E-Mails: (D.B.); (N.B.); (B.B.)
| | - Xavier Turon
- Center for Advanced Studies of Blanes (CEAB-CSIC), Accés a la Cala St Francesc 14, 17300 Blanes, Girona, Spain; E-Mails: (X.T.); (M.-J.U.)
| | - Maria-Jesus Uriz
- Center for Advanced Studies of Blanes (CEAB-CSIC), Accés a la Cala St Francesc 14, 17300 Blanes, Girona, Spain; E-Mails: (X.T.); (M.-J.U.)
| | - Bernard Banaigs
- Environmental and Biomolecular Chemistry Laboratory, University of Perpignan Via Domita, 52 Paul Alduy Ave., Perpignan Cedex 66860, France; E-Mails: (D.B.); (N.B.); (B.B.)
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17
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Schmalzbauer B, Herrmann J, Müller R, Menche D. Total Synthesis and Antibacterial Activity of Dysidavarone A. Org Lett 2013; 15:964-7. [DOI: 10.1021/ol400156u] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Björn Schmalzbauer
- Kekulé-Institut für Organische Chemie und Biochemie, University of Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany, and Helmholtz-Institut für Pharmazeutische Forschung Saarland (HIPS) and Institut für Pharmazeutische Biotechnologie, Universität des Saarlandes, Gebäude C 2.3, 66123 Saarbrücken, Germany
| | - Jennifer Herrmann
- Kekulé-Institut für Organische Chemie und Biochemie, University of Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany, and Helmholtz-Institut für Pharmazeutische Forschung Saarland (HIPS) and Institut für Pharmazeutische Biotechnologie, Universität des Saarlandes, Gebäude C 2.3, 66123 Saarbrücken, Germany
| | - Rolf Müller
- Kekulé-Institut für Organische Chemie und Biochemie, University of Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany, and Helmholtz-Institut für Pharmazeutische Forschung Saarland (HIPS) and Institut für Pharmazeutische Biotechnologie, Universität des Saarlandes, Gebäude C 2.3, 66123 Saarbrücken, Germany
| | - Dirk Menche
- Kekulé-Institut für Organische Chemie und Biochemie, University of Bonn, Gerhard-Domagk-Str. 1, 53121 Bonn, Germany, and Helmholtz-Institut für Pharmazeutische Forschung Saarland (HIPS) and Institut für Pharmazeutische Biotechnologie, Universität des Saarlandes, Gebäude C 2.3, 66123 Saarbrücken, Germany
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19
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Bioactive Marine Prenylated Quinones/Quinols. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/b978-0-444-53836-9.00023-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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20
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Matsuda T, Shimada M, Sato A, Akase T, Yoshinari K, Nagata K, Yamazoe Y. Tumor necrosis factor-alpha-nuclear factor-kappa B-signaling enhances St2b2 expression during 12-O-tetradecanoylphorbol-13-acetate-induced epidermal hyperplasia. Biol Pharm Bull 2011; 34:183-90. [PMID: 21415525 DOI: 10.1248/bpb.34.183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mouse cholesterol sulfotransferase St2b2 contributes to epidermal differentiation by biosynthesizing cholesterol sulfate (CS) from cholesterol in the epidermis. 12-O-Tetradecanoylphorbol-13-acetate (TPA) causes epidermal hyperplasia, an abnormal increase in epidermal cell numbers resulting from aberrant cell differentiation and an increase in St2b2 protein levels. The mechanisms underlying enhanced St2b2 expression and the pathophysiologic significance of the increased expression are unclear, however. To verify whether increased St2b2 levels are necessary for TPA-induced epidermal hyperplasia, the effects of St2b2-specific small hairpin RNA (St2b2-shRNA) on hyperplasia were examined in mice. St2b2-shRNA clearly suppressed TPA-induced epidermal hyperplasia and the expression of a marker of epidermal differentiation, involucrin (INV). Interestingly, treating mouse epidermal cells with tumor necrosis factor-alpha (TNFα) increased St2b2 expression. Furthermore, treatment with TNFα-siRNA or anti-TNF receptor antibodies reduced the TPA-induced enhancement of St2b2 expression. Treatment with BAY 11-7082, a specific inhibitor of nuclear factor-kappa B (NF-κB), diminished TPA-induced St2b2 expression. These results suggested that enhancement of St2b2 expression by TPA treatment occurs mainly through the TNFα-NF-κB inflammatory signaling pathway, which in turn leads to increased CS concentrations in epidermal cells and hyperplasia.
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Affiliation(s)
- Toshihiro Matsuda
- Division of Drug Metabolism and Molecular Toxicology, Graduate School of Pharmaceutical Sciences, Tohoku University, Hospital; 1–1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980–8574, Japan
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21
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Wu XN, Yu CH, Cai W, Hua J, Li SQ, Wang W. Protective effect of a polyphenolic rich extract from Magnolia officinalis bark on influenza virus-induced pneumonia in mice. JOURNAL OF ETHNOPHARMACOLOGY 2011; 134:191-4. [PMID: 21146600 DOI: 10.1016/j.jep.2010.11.074] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2010] [Revised: 10/20/2010] [Accepted: 11/28/2010] [Indexed: 05/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Magnolia officinalis bark is used in traditional Chinese medicine for the treatment of cough, colds, fever, chronic bronchitis and stomach ailments. AIM OF THE STUDY To investigate therapeutic effects of polyphenol rich extract from M. officinalis bark (MPE) in influenza virus A-infected mice, and to provide evidence for the inflammation response and immunomodulatory potential during infection. MATERIALS AND METHODS Mice were infected with influenza virus A (IVA) and MPE at doses of 10 and 20mg/kg were orally administrated daily for 5 days after challenge. The levels of serum L-6 and TNF-α were determined by ELISA while protein expressions of NF-κB and TLR3 were detected by western blotting analysis. RESULTS MPE exhibited significant therapeutical effects on reducing levels of serum NO, IL-6 and TNF-α, inhibiting pneumonia, decreasing lung viral titers and sensitizing IVA-induced apoptosis through down-regulation of NF-κB and TLR3 protein expression in the lung tissue of IVA-infected mice. CONCLUSIONS MPE could exhibit preventive and therapeutical effects on IVA-infected mice as a suppressor of the production of inflammatory mediators, NO and pro-inflammatory cytokines, TNF-α and IL-6. These effects appeared to be mediated, at least in part, by an inhibition of TLR3 and NF-κB activation. Therefore, MPE could provide a safe and effective therapeutic approach for influenza and its subsequent viral pneumonia.
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Affiliation(s)
- Xiao-Ning Wu
- Zhejiang Medical College, Hangzhou 310053, China
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In situ aquaculture methods for Dysidea avara (Demospongiae, Porifera) in the northwestern Mediterranean. Mar Drugs 2010; 8:1731-42. [PMID: 20631865 PMCID: PMC2901820 DOI: 10.3390/md8061731] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2010] [Revised: 05/14/2010] [Accepted: 05/24/2010] [Indexed: 11/17/2022] Open
Abstract
Marine sponges produce secondary metabolites that can be used as a natural source for the design of new drugs and cosmetics. There is, however, a supply problem with these natural substances for research and eventual commercialisation of the products. In situ sponge aquaculture is nowadays one of the most reliable methods to supply pharmaceutical companies with sufficient quantities of the target compound. In this study, we focus on the aquaculture of the sponge Dysidea avara (Schmidt, 1862), which produces avarol, a sterol with interesting pharmaceutical attributes. The soft consistency of this species makes the traditional culture method based on holding explants on ropes unsuitable. We have tested alternative culture methods for D. avara and optimized the underwater structures to hold the sponges to be used in aquaculture. Explants of this sponge were mounted on horizontal ropes, inside small cages or glued to substrates. Culture efficiency was evaluated by determination of sponge survival, growth rates, and bioactivity (as an indication of production of the target metabolite). While the cage method was the best method for explant survival, the glue method was the best one for explant growth and the rope method for bioactivity.
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Bozić T, Novaković I, Gasić MJ, Juranić Z, Stanojković T, Tufegdzić S, Kljajić Z, Sladić D. Synthesis and biological activity of derivatives of the marine quinone avarone. Eur J Med Chem 2009; 45:923-9. [PMID: 19995673 DOI: 10.1016/j.ejmech.2009.11.033] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2009] [Revised: 11/12/2009] [Accepted: 11/13/2009] [Indexed: 12/19/2022]
Abstract
Nine alkyl(aryl)thio derivatives of the marine sesquiterpene quinone avarone were synthesized by nucleophilic addition of thiols or thiophenol to avarone. In most cases only one regioisomer was obtained. Their cytotoxic activities, brine shrimp lethality and antibacterial activity were evaluated, as well as those of some previously synthesized avarone derivatives. Anti-HIV activity of two derivatives was tested. Electrochemical properties were determined for all the derivatives in order to obtain more accurate information on structure-activity relationships. Most derivatives showed cytotoxic activity against tumor cell lines, with IC(50) values less than 10 microM for some of them, in particular those with electron-donating substituents. The most active compound was 4'-(methylamino)avarone, with IC(50) value of 2.4 microM to melanoma Fem-X cells, and no cytotoxicity to normal lymphocytes.
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Affiliation(s)
- Tatjana Bozić
- Faculty of Science, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
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24
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Folmer F, Jaspars M, Solano G, Cristofanon S, Henry E, Tabudravu J, Black K, Green DH, Küpper FC, Aalbersberg W, Feussner K, Dicato M, Diederich M. The inhibition of TNF-alpha-induced NF-kappaB activation by marine natural products. Biochem Pharmacol 2009; 78:592-606. [PMID: 19445900 DOI: 10.1016/j.bcp.2009.05.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2009] [Revised: 05/01/2009] [Accepted: 05/05/2009] [Indexed: 10/20/2022]
Abstract
The deregulated activation of NF-kappaB is associated with cancer development and inflammatory diseases. With an aim to find new NF-kappaB inhibitors, we purified and characterized compounds from extracts of the Fijian sponge Rhabdastrella globostellata, the crinoid Comanthus parvicirrus, the soft corals Sarcophyton sp. nov. and Sinularia sp., and the gorgonian Subergorgia sp. after an initial screening of 266 extracts from different marine origins. Results obtained show that selected purified compounds had a cytotoxic effect on the human leukaemia cell line K562, inhibited both TNF-alpha-induced NF-kappaB-DNA binding as well as TNF-alpha-induced IkappaBalpha degradation and nuclear translocation of p50/p65. Furthermore, we observed the inhibition of NF-kappaB activation induced by an overexpression of IKKbeta. Interestingly, natural products inhibited IKKbeta kinase as well as the 26S proteasome proteolytic activity.
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Affiliation(s)
- Florence Folmer
- Department of Chemistry, University of Aberdeen, Old Aberdeen, UK
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25
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Pejin B, Iodice C, Tommonaro G, De Rosa S. Synthesis and biological activities of thio-avarol derivatives. JOURNAL OF NATURAL PRODUCTS 2008; 71:1850-1853. [PMID: 19007183 DOI: 10.1021/np800318m] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Eleven new thio-avarol derivatives (3-13) were synthesized. Their antimicrobial, brine shrimp lethality, and free-radical scavenging activities and acetylcholinesterase inhibition, together with 12 already reported semisynthetic thio-avarol derivatives (14-25), were evaluated. Structure-activity relationships among these thio derivatives were determined.
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Affiliation(s)
- Boris Pejin
- Istituto di Chimica Biomolecole CNR, via Campi Flegrei, 34, I-80078 Pozzuoli (Napoli), Italy
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