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Liu Z, Liu D, Chen M, Zong W, Zhou X, Meng F, Jiang Y, Chen M, Liao Z, Wang G. Effects of Sedi Herba (Sedum sarmentosum) on attenuating cholestasis by the activation of the farnesoid x receptor (FXR)-mediated signaling. Biomed Pharmacother 2022; 155:113803. [DOI: 10.1016/j.biopha.2022.113803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/28/2022] [Accepted: 10/02/2022] [Indexed: 11/02/2022] Open
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Teja PK, Patel P, Bhavsar D, Bindusri C, Jadhav K, Chauthe SK. Traditional uses, phytochemistry, pharmacology, toxicology and formulation aspects of Glycosmis species: A systematic review. PHYTOCHEMISTRY 2021; 190:112865. [PMID: 34314905 DOI: 10.1016/j.phytochem.2021.112865] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 06/28/2021] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
The present article is a systematic and constructive review of the traditional medicinal uses, chemistry, pharmacology, toxicology, and formulation aspects of Glycosmis species. The genus Glycosmis comprise 51 accepted species broadly distributed in Australia, China, India, and South-East Asia. Traditionally, Glycosmis species are used in folk medicines to treat cancer, anaemia, rheumatism, fever, cough, liver-related problems, skin ailments, intestinal worm infections, wounds, and facial inflammation. This review aims to provide readers with the latest information highlighting chemical constituents isolated from the Glycosmis species, plant parts utilized for their isolation and their pharmacological activities. So far, 307 chemical constituents have been isolated and characterized from different species of the genus Glycosmis; among these constituents, alkaloids, flavonoids, terpenoids, phenolics, and sulphur-containing amides are the major bioactive compounds. Modern pharmacological studies have shown that the crude extracts and compounds isolated from this genus exhibit a broad spectrum of biological activities like anticancer, antimicrobial, anti-inflammatory, antipyretic, antidiabetic, antioxidant, larvicidal, insecticidal, hepatoprotective, wound healing, antiviral, antidiarrheal, and anxiolytic. The carbazole and acridone alkaloids from this genus have shown potential anticancer activity in various in vitro and in vivo studies. Rare scaffolds like dimeric carbazoles, dimeric acridone alkaloids, flavanocoumarins and sulphur-containing amides from this genus need further exploration for their potential bioactivity. This article also briefs about the toxicological screening and discusses various polyherbal and nano formulation aspects of Glycosmis species. Most of the pharmacological studies reported from this genus were carried out in vitro. An in-depth in vivo and toxicology evaluation of the crude extracts and isolated specialized compounds is required to explore the full therapeutic potential of this genus.
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Affiliation(s)
- Parusu Kavya Teja
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Opp. Air Force Station, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Prachi Patel
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Opp. Air Force Station, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Drashti Bhavsar
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Opp. Air Force Station, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Chintakindi Bindusri
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Opp. Air Force Station, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Kishori Jadhav
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Opp. Air Force Station, Palaj, Gandhinagar, 382355, Gujarat, India
| | - Siddheshwar K Chauthe
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), An Institute of National Importance, Government of India, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Opp. Air Force Station, Palaj, Gandhinagar, 382355, Gujarat, India.
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Tran QT, Pham TD, Nguyen TD, Luu VH, Nghi Do H, Duy Le X, Nguyen PH, Nguyen MC, Luu VC, Pham MQ, Huyen Vu T, Pham TN, Pham DTN. Optimization of Murrayafoline A ethanol extraction process from the roots of Glycosmis stenocarpa, and evaluation of its Tumorigenesis inhibition activity on Hep-G2 cells. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Glycosmis stenocarpa is a species of shrub found in the Northern provinces of Vietnam. Its roots contain different carbazolic derivatives, mainly Murrayafoline A (Mu-A), which exhibits valuable biological activities. In this study, we performed an extraction of Mu-A from the roots of G. stenocarpa and optimized this process using response surface methodology (RSM) according to a central composite design, with three independent parameters including extraction time (min), extraction temperature (°C), and solvent/material ratio (mL/g). Two dependent variables were the Mu-A content (mg/g raw materials) and extraction efficiency (%). The optimal conditions to extract Mu-A were found to be as follows: extraction temperature, 67°C; extraction time, 165 min; and solvent/material ratio, 5:1. Under these conditions, the Mu-A content and extraction efficiency were 38.94 ± 1.31 mg/g raw materials and 34.98 ± 1.18%, respectively. Mu-A exhibited antiproliferation and antitumor-promoting activity against the HepG-2 cell line. The present optimization work of Mu-A extraction from G. stenocarpa roots contributed to the attempt of designing a large-scale extraction process for the compound and further exploitation of its potential in vivo applications.
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Affiliation(s)
- Quoc Toan Tran
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Hanoi 10072 , Vietnam
| | - The Dan Pham
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology (VAST) , 18 Hoang Quoc Viet, Cau Giay , Hanoi , Vietnam
| | - Thanh Duong Nguyen
- Institute of Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
| | - Van Huyen Luu
- Faculty of Environment, Hanoi University of Natural Resources and Environment , No 41A Phu Dien Road, Phu Dien Precinct, North-Tu Liem District , Hanoi , Vietnam
| | - Huu Nghi Do
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
| | - Xuan Duy Le
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
| | - Phi Hung Nguyen
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
| | - Manh Cuong Nguyen
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
| | - Van Chinh Luu
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
| | - Minh Quan Pham
- Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology , 18 Hoang Quoc Viet St., Cau Giay Dist. , Hanoi 10072 , Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology , Hanoi 10072 , Vietnam
| | - Thi Huyen Vu
- Faculty of Environment, Vietnam National University of Agriculture , Hanoi , Vietnam
| | - Tri Nhut Pham
- Center of Excellence for Biochemistry and Natural Products, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
- NTT Hi-Tech Institute, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
| | - Dung Thuy Nguyen Pham
- Center of Excellence for Biochemistry and Natural Products, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
- NTT Hi-Tech Institute, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
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In Vitro and In Silico Studies of Soluble Epoxide Hydrolase Inhibitors from the Roots of Lycopus lucidus. PLANTS 2021; 10:plants10020356. [PMID: 33668538 PMCID: PMC7917821 DOI: 10.3390/plants10020356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 02/09/2021] [Accepted: 02/09/2021] [Indexed: 11/28/2022]
Abstract
Soluble epoxide hydrolase (sEH) is an enzyme that is considered a potential therapeutic target in human cardiovascular disease. Triterpenes (1–4) and phenylpropanoids (5–10) were isolated from Lycopus lucidus to obtain sEH inhibitors through various chromatographic purificationtechniques. The isolated compounds were evaluated for their inhibitory activity against sEH, and methyl rosmarinate (7), martynoside (8), dimethyl lithospermate (9) and 9″ methyl lithospermate (10) showed remarkable inhibitory activity, with the IC50 values ranging from 10.6 ± 3.2 to 35.7 ± 2.1 µM. Kinetic analysis of these compounds revealed that 7, 9 and 10 were competitive inhibitors bound to the active site, and 8 was the preferred mixed type inhibitor for allosteric sites. Additionally, molecular modeling has identified interacting catalytic residues and bindings between sEH and inhibitors. The results suggest that these compounds are potential candidates that can be used for further development in the prevention and treatment for cardiovascular risk.
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Sun CP, Zhang XY, Morisseau C, Hwang SH, Zhang ZJ, Hammock BD, Ma XC. Discovery of Soluble Epoxide Hydrolase Inhibitors from Chemical Synthesis and Natural Products. J Med Chem 2020; 64:184-215. [PMID: 33369424 DOI: 10.1021/acs.jmedchem.0c01507] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Soluble epoxide hydrolase (sEH) is an α/β hydrolase fold protein and widely distributed in numerous organs including the liver, kidney, and brain. The inhibition of sEH can effectively maintain endogenous epoxyeicosatrienoic acids (EETs) levels and reduce dihydroxyeicosatrienoic acids (DHETs) levels, resulting in therapeutic potentials for cardiovascular, central nervous system, and metabolic diseases. Therefore, since the beginning of this century, the development of sEH inhibitors is a hot research topic. A variety of potent sEH inhibitors have been developed by chemical synthesis or isolated from natural sources. In this review, we mainly summarized the interconnected aspects of sEH with cardiovascular, central nervous system, and metabolic diseases and then focus on representative inhibitors, which would provide some useful guidance for the future development of potential sEH inhibitors.
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Affiliation(s)
- Cheng-Peng Sun
- Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine Intervention, College (Institute) of Integrative Medicine, College of Pharmacy, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Xin-Yue Zhang
- Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine Intervention, College (Institute) of Integrative Medicine, College of Pharmacy, Dalian Medical University, Dalian 116044, People's Republic of China
| | - Christophe Morisseau
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Sung Hee Hwang
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Zhan-Jun Zhang
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Bruce D Hammock
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Xiao-Chi Ma
- Dalian Key Laboratory of Metabolic Target Characterization and Traditional Chinese Medicine Intervention, College (Institute) of Integrative Medicine, College of Pharmacy, Dalian Medical University, Dalian 116044, People's Republic of China.,College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou 311121, People's Republic of China
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Chemical constituents from the whole plants of Sedum sarmentosum Bunge and their chemotaxonomic significance. BIOCHEM SYST ECOL 2020. [DOI: 10.1016/j.bse.2020.104180] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Das Mahapatra A, Choubey R, Datta B. Small Molecule Soluble Epoxide Hydrolase Inhibitors in Multitarget and Combination Therapies for Inflammation and Cancer. Molecules 2020; 25:molecules25235488. [PMID: 33255197 PMCID: PMC7727688 DOI: 10.3390/molecules25235488] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/13/2020] [Accepted: 11/19/2020] [Indexed: 12/22/2022] Open
Abstract
The enzyme soluble epoxide hydrolase (sEH) plays a central role in metabolism of bioactive lipid signaling molecules. The substrate-specific hydrolase activity of sEH converts epoxyeicosatrienoic acids (EETs) to less bioactive dihydroxyeicosatrienoic acids. EETs exhibit anti-inflammatory, analgesic, antihypertensive, cardio-protective and organ-protective properties. Accordingly, sEH inhibition is a promising therapeutic strategy for addressing a variety of diseases. In this review, we describe small molecule architectures that have been commonly deployed as sEH inhibitors with respect to angiogenesis, inflammation and cancer. We juxtapose commonly used synthetic scaffolds and natural products within the paradigm of a multitarget approach for addressing inflammation and inflammation induced carcinogenesis. Structural insights from the inhibitor complexes and novel strategies for development of sEH-based multitarget inhibitors are also presented. While sEH inhibition is likely to suppress inflammation-induced carcinogenesis, it can also lead to enhanced angiogenesis via increased EET concentrations. In this regard, sEH inhibitors in combination chemotherapy are described. Urea and amide-based architectures feature prominently across multitarget inhibition and combination chemotherapy applications of sEH inhibitors.
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Affiliation(s)
- Amarjyoti Das Mahapatra
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India; (A.D.M.); (R.C.)
| | - Rinku Choubey
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India; (A.D.M.); (R.C.)
| | - Bhaskar Datta
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India; (A.D.M.); (R.C.)
- Department of Biological Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gandhinagar 382355, India
- Correspondence: ; Tel.: +079-2395-2073; Fax: +079-2397-2622
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McReynolds C, Morisseau C, Wagner K, Hammock B. Epoxy Fatty Acids Are Promising Targets for Treatment of Pain, Cardiovascular Disease and Other Indications Characterized by Mitochondrial Dysfunction, Endoplasmic Stress and Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1274:71-99. [PMID: 32894508 PMCID: PMC7737916 DOI: 10.1007/978-3-030-50621-6_5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Bioactive lipid mediators resulting from the metabolism of polyunsaturated fatty acids (PUFA) are controlled by many pathways that regulate the levels of these mediators and maintain homeostasis to prevent disease. PUFA metabolism is driven primarily through three pathways. Two pathways, the cyclooxygenase (COX) and lipoxygenase (LO) enzymatic pathways, form metabolites that are mostly inflammatory, while the third route of metabolism results from the oxidation by the cytochrome P450 enzymes to form hydroxylated PUFA and epoxide metabolites. These epoxygenated fatty acids (EpFA) demonstrate largely anti-inflammatory and beneficial properties, in contrast to the other metabolites formed from the degradation of PUFA. Dysregulation of these systems often leads to chronic disease. Pharmaceutical targets of disease focus on preventing the formation of inflammatory metabolites from the COX and LO pathways, while maintaining the EpFA and increasing their concentration in the body is seen as beneficial to treating and preventing disease. The soluble epoxide hydrolase (sEH) is the major route of metabolism of EpFA. Inhibiting its activity increases concentrations of beneficial EpFA, and often disease states correlate to mutations in the sEH enzyme that increase its activity and decrease the concentrations of EpFA in the body. Recent approaches to increasing EpFA include synthetic mimics that replicate biological activity of EpFA while preventing their metabolism, while other approaches focus on developing small molecule inhibitors to the sEH. Increasing EpFA concentrations in the body has demonstrated multiple beneficial effects in treating many diseases, including inflammatory and painful conditions, cardiovascular disease, neurological and disease of the central nervous system. Demonstration of efficacy in so many disease states can be explained by the fundamental mechanism that EpFA have of maintaining healthy microvasculature and preventing mitochondrial and endoplasmic reticulum stress. While there are no FDA approved methods that target the sEH or other enzymes responsible for metabolizing EpFA, current clinical efforts to test for efficacy by increasing EpFA that include inhibiting the sEH or administration of EpFA mimics that block metabolism are in progress.
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Affiliation(s)
- Cindy McReynolds
- Department of Entomology and Nematology, and U.C. Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, USA
- EicOsis, Davis, CA, USA
| | - Christophe Morisseau
- Department of Entomology and Nematology, and U.C. Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, USA
| | - Karen Wagner
- Department of Entomology and Nematology, and U.C. Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, USA
- EicOsis, Davis, CA, USA
| | - Bruce Hammock
- Department of Entomology and Nematology, and U.C. Davis Comprehensive Cancer Center, University of California Davis, Davis, CA, USA.
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Paudel P, Wagle A, Seong SH, Park HJ, Jung HA, Choi JS. A New Tyrosinase Inhibitor from the Red Alga Symphyocladia latiuscula (Harvey) Yamada (Rhodomelaceae). Mar Drugs 2019; 17:md17050295. [PMID: 31108882 PMCID: PMC6562427 DOI: 10.3390/md17050295] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 12/21/2022] Open
Abstract
A marine red alga, Symphyocladia latiuscula (Harvey) Yamada (Rhodomelaceae), is a rich source of bromophenols with a wide array of biological activities. This study investigates the anti-tyrosinase activity of the alga. Moderate activity was demonstrated by the methanol extract of S. latiuscula, and subsequent column chromatography identified three bromophenols: 2,3,6-tribromo-4,5-dihydroxybenzyl methyl alcohol (1), 2,3,6-tribromo-4,5-dihydroxybenzyl methyl ether (2), and bis-(2,3,6-tribromo-4,5-dihydroxybenzyl methyl ether) (3). Bromophenols 1 and 3 exhibited potent competitive tyrosinase inhibitory activity against l-tyrosine substrates, with IC50 values of 10.78 ± 0.19 and 2.92 ± 0.04 μM, respectively. Against substrate l-3,4-dihydroxyphenylalanine (l-DOPA), compounds 1 and 3 demonstrated moderate activity, while 2 showed no observable effect. The experimental data were verified by a molecular docking study that found catalytic hydrogen and halogen interactions were responsible for the activity. In addition, compounds 1 and 3 exhibited dose-dependent inhibitory effects in melanin and intracellular tyrosinase levels in α-melanocyte-stimulating hormone (α-MSH)-induced B16F10 melanoma cells. Compounds 3 and 1 were the most effective tyrosinase inhibitors. In addition, increasing the bromine group number increased the mushroom tyrosinase inhibitory activity.
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Affiliation(s)
- Pradeep Paudel
- Department of Food and Life Science, Pukyong National University, Busan 48513, Korea.
| | - Aditi Wagle
- Department of Food and Life Science, Pukyong National University, Busan 48513, Korea.
| | - Su Hui Seong
- Department of Food and Life Science, Pukyong National University, Busan 48513, Korea.
| | - Hye Jin Park
- Department of Food Science and Nutrition, Changshin University, Gyeongsangnam-do 51352, Korea.
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju 54896, Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan 48513, Korea.
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Kim JH, Cho IS, Ryu J, Lee JS, Kang JS, Kang SY, Kim YH. In vitro and in silico investigation of anthocyanin derivatives as soluble epoxide hydrolase inhibitors. Int J Biol Macromol 2018; 112:961-967. [DOI: 10.1016/j.ijbiomac.2018.02.061] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 02/07/2018] [Accepted: 02/11/2018] [Indexed: 12/11/2022]
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Yu T, Paudel P, Seong SH, Kim JA, Jung HA, Choi JS. Computational insights into β-site amyloid precursor protein enzyme 1 (BACE1) inhibition by tanshinones and salvianolic acids from Salvia miltiorrhiza via molecular docking simulations. Comput Biol Chem 2018; 74:273-285. [PMID: 29679864 DOI: 10.1016/j.compbiolchem.2018.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 04/11/2018] [Accepted: 04/12/2018] [Indexed: 12/13/2022]
Abstract
The rhizome of Salvia miltiorrhiza has emerged as a rich source of natural therapeutic agents, and its several compounds are supposed to exhibit favorable effects on Alzheimer's disease (AD). The present work investigate the anti-AD potentials of 12 tanshinones, three salvianolic acids and three caffeic acid derivatives from S. miltiorrhiza via the inhibition of β-site amyloid precursor protein cleaving enzyme 1 (BACE1). Among the tested compounds, deoxyneocryptotanshinone (1), salvianolic acid A (13) and salvianolic acid C (15) displayed good inhibitory effect on BACE1 with IC50 values of 11.53 ± 1.13, 13.01 ± 0.32 and 9.18 ± 0.03 μM, respectively. Besides this, enzyme kinetic analysis on BACE1 revealed 13, a competitive type inhibitor while 1 and 15 showed mixed-type inhibition. Furthermore, molecular docking simulation displayed negative binding energies (AutoDock 4.2.6 = -10.0 to -7.1 kcal/mol) of 1, 13, and 15 for BACE1, indicating these compounds bound tightly to the active site of the enzyme with low energy and high affinity. The results of the present study clearly demonstrate that S. miltiorrhiza and its constituents have potential anti-AD activity and can be used as a therapeutic agent for the treatment of AD.
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Affiliation(s)
- Ting Yu
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Pradeep Paudel
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Su Hui Seong
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Jeong Ah Kim
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, 54896, Republic of Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea.
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Wagle A, Seong SH, Zhao BT, Woo MH, Jung HA, Choi JS. Comparative study of selective in vitro and in silico BACE1 inhibitory potential of glycyrrhizin together with its metabolites, 18α- and 18β-glycyrrhetinic acid, isolated from Hizikia fusiformis. Arch Pharm Res 2018. [PMID: 29532412 DOI: 10.1007/s12272-018-1018-2] [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] [Indexed: 12/12/2022]
Abstract
Hizikia fusiformis (Harvey) Okamura is a brown seaweed widely used in Korea and Japan, and it contains different therapeutically active constituents. In the present study, we investigated the activities of glycyrrhizin isolated from H. fusiformis, including its metabolites, 18α- and 18β-glycyrrhetinic acid against Alzheimer's disease (AD) via acetyl and butyrylcholinesterase and β-site amyloid precursor protein cleaving enzyme 1 (BACE1) inhibition. Among these three compounds, 18β-glycyrrhetinic acid (IC50 = 8.93 ± 0.69 µM) demonstrated two fold potent activity against BACE1 compared to the positive control, quercetin (IC50 = 20.18 ± 0.79 µM). Additionally, glycyrrhizin with an IC50 value of 20.12 ± 1.87 µM showed similarity to quercetin, while 18α-glycyrrhetinic acid showed moderate activity (IC50 = 104.35 ± 2.84 µM). A kinetic study revealed that glycyrrhizin and 18β-glycyrrhetinic acid were non-competitive and competitive inhibitiors of BACE1, demonstrated via K i values of 16.92 and 10.91 µM, respectively. Molecular docking simulation studies evidently revealed strong binding energy of these compounds for BACE1, indicating their high affinity and capacity for tighter binding to the active site of the enzyme. These data suggest that glycyrrhizin isolated from the edible seaweed, H. fusiformis and its metabolite, 18β-glycyrrhetinic acid demonstrated selective inhibitory activity against BACE1 to alleviate AD.
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Affiliation(s)
- Aditi Wagle
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Su Hui Seong
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea
| | - Bing Tian Zhao
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan, 38430, Republic of Korea
| | - Mi Hee Woo
- College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu, Gyeongsan, 38430, Republic of Korea
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, 54896, Republic of Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan, 48513, Republic of Korea.
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Cytochrome P450 4A11 inhibition assays based on characterization of lauric acid metabolites. Food Chem Toxicol 2018; 112:205-215. [DOI: 10.1016/j.fct.2017.12.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 12/19/2017] [Accepted: 12/29/2017] [Indexed: 01/08/2023]
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Koirala P, Seong SH, Jung HA, Choi JS. Comparative molecular docking studies of lupeol and lupenone isolated from Pueraria lobata that inhibits BACE1: Probable remedies for Alzheimer's disease. ASIAN PAC J TROP MED 2017; 10:1117-1122. [PMID: 29268966 DOI: 10.1016/j.apjtm.2017.10.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 09/23/2017] [Accepted: 10/25/2017] [Indexed: 10/18/2022] Open
Abstract
OBJECTIVE To discover lead lupane triterpenoid's potential isolated from Pueraria lobata roots against β-site amyloid precursor protein cleaving enzyme 1 (BACE1), which serve as a rate limiting step in amyloid beta (Aβ) production altering the course of Alzheimer's disease. In addition, enzyme kinetics study and molecular docking were conducted to establish the inhibition type and structure activity relationship. METHODS A systematic study of 70% ethanolic P. lobata root extract was employed to identify its BACE1 inhibitory potential. Further, BACE1 inhibitory potential of two lupane terpenoids, yielded from ethanolic extract, was assessed. In order to determine their inhibition mode, Lineweaver-Burk plots and Michaelis-Menten model for BACE1 was performed. AutoDock 4.2 program in addition determined the molecular interaction of BACE1 with isolated terpenoids. RESULTS Considering the inhibitory potential of 70% ethanolic extract of P. lobata against BACE1 (IC50 = 80.35 μg/mL), lupeol and lupenone were subsequently isolated and exhibited notable or moderate BACE1 inhibitory activity with IC50 values of 5.12 and 62.98 μmol/L, respectively, as compared to the positive control quercetin (IC50 = 21.28 μmol/L). The enzyme kinetics study enabled us to identify both compounds as competitive inhibitors, where lupeol displayed a very potent inhibition against BACE1 with low inhibition constant (Ki) value of 1.43 μmol/L, signifying greater binding affinity. In order to understand the binding mechanism and structure-activity relationship of two triterpene-based BACE1 inhibitors, we employed computer aided docking studies which evidently revealed that hydroxyl group of lupeol formed two hydrogen bonds with the ASP32 (catalytic aspartic residue) and SER35 residues of BACE1 with the binding energy of (-8.2 kcal/mol), while the ketone group of lupenone did not form any hydrogen bonds with BACE1 giving evidence for less binding affinity. These results in turn have predicted the dependence of the inhibitory activity in the presence of hydroxyl group which has provided a new basis for BACE1 blockade. CONCLUSIONS Our results have successfully explored the molecular mechanism of lupane triterpenoids via BACE1 inhibition, suggesting that lupeol in particular could be utilized as a useful therapeutic and preventive agent to mitigate Alzheimer's disease.
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Affiliation(s)
- Prashamsa Koirala
- Department of Food and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Su Hui Seong
- Department of Food and Life Science, Pukyong National University, Busan 48513, Republic of Korea
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju 54896, Republic of Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan 48513, Republic of Korea.
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Vinh LB, Kim JH, Lee JS, Nguyet NTM, Yang SY, Ma JY, Kim YH. Soluble epoxide hydrolase inhibitory activity of phenolic glycosides from Polygala tenuifolia and in silico approach. Med Chem Res 2017. [DOI: 10.1007/s00044-017-2096-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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16
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Leem HH, Lee GY, Lee JS, Lee H, Kim JH, Kim YH. Soluble epoxide hydrolase inhibitory activity of components from Leonurus japonicus. Int J Biol Macromol 2017; 103:451-457. [DOI: 10.1016/j.ijbiomac.2017.05.038] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Revised: 12/23/2016] [Accepted: 05/08/2017] [Indexed: 12/31/2022]
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17
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Kim JH, Kim HY, Kang SY, Kim YH, Jin CH. Soluble Epoxide Hydrolase Inhibitory Activity of Components Isolated from Apios americana Medik. Molecules 2017; 22:molecules22091432. [PMID: 28867792 PMCID: PMC6151598 DOI: 10.3390/molecules22091432] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 08/22/2017] [Accepted: 08/28/2017] [Indexed: 11/24/2022] Open
Abstract
A new compound 1, 5-methoxy-2,5,7,4′-tetrahydroxy-coumaronochromone, along with seven known compounds (2–8), were isolated from Apios americana using open column chromatography. Their structures were established based on an analysis of 1D and 2D NMR, and MS spectra. Among these, two compounds 1 and 2 showed inhibitory activity on soluble epoxide hydrolase (sEH) at a concentration below 50 μM. The respective competitive (1) and mixed (2) inhibitors were revealed to have Ki values of 21.0 ± 0.8 and 14.5 ± 1.5 μM, based on the Dixon plot. The potential inhibitor (2) was visually presented in a predicted binding pose in the receptor by molecular docking. Additionally, molecular dynamics were performed for a detailed understanding of their complex by Gromacs 4.6.5 package.
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Affiliation(s)
- Jang Hoon Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeoungeup, Jeollabuk-do 56212, Korea.
| | - Hyo Young Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeoungeup, Jeollabuk-do 56212, Korea.
| | - Si Yong Kang
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeoungeup, Jeollabuk-do 56212, Korea.
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon 34134, Korea.
| | - Chang Hyun Jin
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeoungeup, Jeollabuk-do 56212, Korea.
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Jo AR, Kim JH, Yan XT, Yang SY, Kim YH. Soluble epoxide hydrolase inhibitory components from Rheum undulatum and in silico approach. J Enzyme Inhib Med Chem 2016; 31:70-78. [DOI: 10.1080/14756366.2016.1189421] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Ah Reum Jo
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea,
| | - Jang Hoon Kim
- Department of Horticultural Environment, National Institute of Horticultural and Herbal Science, RDA, Wanju-Gun, Republic of Korea, and
| | - Xi-Tao Yan
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Science, Northwest A & F University, Yangling, Shaanxi, China
| | - Seo Young Yang
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea,
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea,
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Kim JH, Cho CW, Tai BH, Yang SY, Choi GS, Kang JS, Kim YH. Soluble Epoxide Hydrolase Inhibitory Activity of Selaginellin Derivatives from Selaginella tamariscina. Molecules 2015; 20:21405-14. [PMID: 26633335 PMCID: PMC6331899 DOI: 10.3390/molecules201219774] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 11/23/2015] [Accepted: 11/26/2015] [Indexed: 11/22/2022] Open
Abstract
Selaginellin derivatives 1–3 isolated from Selaginellatamariscina were evaluated for their inhibition of soluble epoxide hydrolase (sEH) to demonstrate their potential for the treatment of cardiovascular disease. All selaginellin derivatives (1–3) inhibited sEH enzymatic activity and PHOME hydrolysis, in a dose-dependent manner, with IC50 values of 3.1 ± 0.1, 8.2 ± 2.2, and 4.2 ± 0.2 μM, respectively. We further determined that the derivatives function as non-competitive inhibitors. Moreover, the predicted that binding sites and interaction between 1–3 and sEH were solved by docking simulations. According to quantitative analysis, 1–3 were confirmed to have high content in the roots of S. tamariscina; among them, selaginellin 3 exhibited the highest content of 189.3 ± 0.0 μg/g.
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Affiliation(s)
- Jang Hoon Kim
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea.
- Department of Horticultural Environment, National Institute of Horticultural and Herbal Science, RDA, Wanju-gun, Jeollabuk-do 595-890, Korea.
| | - Chong Woon Cho
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea.
| | - Bui Huu Tai
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea.
- Institute of Marine Biochemistry, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Caugiay, Hanoi 364-545, Vietnam.
| | - Seo Young Yang
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea.
| | - Gug-Seoun Choi
- Department of Horticultural Environment, National Institute of Horticultural and Herbal Science, RDA, Wanju-gun, Jeollabuk-do 595-890, Korea.
| | - Jong Seong Kang
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea.
| | - Young Ho Kim
- College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea.
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