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Petrova AV, Poptsov AI, Heise NV, Csuk R, Kazakova OB. Diethoxyphosphoryloxy-oleanolic acid is a nanomolar-inhibitor of butyrylcholinesterase. Chem Biol Drug Des 2024; 103:e14506. [PMID: 38480508 DOI: 10.1111/cbdd.14506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/22/2024] [Accepted: 03/06/2024] [Indexed: 03/27/2024]
Abstract
A series of new betulin, lupeol, erythrodiol, and oleanolic acid phosphoryloxy- and furoyloxy-derivatives has been synthesized and their structure was confirmed by NMR spectroscopy. Synthesized compounds were subjected to Ellman's assays to determine their ability to inhibit the enzymes AChE and BChE. Among them, diethoxyphosphoryloxy-oleanolic acid inhibited BChE with a value of 99%, thereby acting as a mixed-type inhibitor holding very low Ki values of Ki = 6.59 nM and Ki ' = 1.97 nM, respectively.
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Affiliation(s)
- Anastasiya V Petrova
- Ufa Institute of Chemistry, Ufa Federal Research Centre, Russian Academy of Science, Ufa, Russia
| | - Alexandr I Poptsov
- Ufa Institute of Chemistry, Ufa Federal Research Centre, Russian Academy of Science, Ufa, Russia
| | - Niels V Heise
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Halle (Saale), Germany
| | - René Csuk
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Halle (Saale), Germany
| | - Oxana B Kazakova
- Ufa Institute of Chemistry, Ufa Federal Research Centre, Russian Academy of Science, Ufa, Russia
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Tri MD, Phat NT, Trung NT, Phan CTD, Minh PN, Chi MT, Nguyen TP, Dang CH, Hong Truong L, Pham NKT, Mai TTN, Duong TH. A new 26-norlanostane from Phlogacanthus turgidus growing in Vietnam. J Asian Nat Prod Res 2022; 24:196-202. [PMID: 33876656 DOI: 10.1080/10286020.2021.1913125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/30/2021] [Accepted: 03/30/2021] [Indexed: 06/12/2023]
Abstract
Chemical investigation on chloroform extract of Phlogacanthus turgidus led to the isolation of one new compound namely turgidol, together with five known triterpenoids, lupeol, lupenone, betulin, betulinic acid, and taraxerol. Their structures and stereochemistry have been determined by 1 D and 2 D NMR analysis, high resolution mass spectrometry, and compared with those in literatures. The relative configuration of turgidol was defined using DFT-NMR chemical shift calculations and subsequent DP4+ probability method. Turgidol, betulin, and betulinic acid were evaluated for cytotoxic activity toward K562 cancer cell line and the alpha-glucosidase inhibition.
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Affiliation(s)
- Mai Dinh Tri
- Vietnam Academy of Science and Technology, Graduate University of Science and Technology, Ha noi 11355, Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City 71515, Vietnam
| | - Nguyen Tan Phat
- Vietnam Academy of Science and Technology, Graduate University of Science and Technology, Ha noi 11355, Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City 71515, Vietnam
| | - Nguyen Tien Trung
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University, Quy Nhon 55100, Vietnam
| | - Cam-Tu D Phan
- Laboratory of Computational Chemistry and Modelling (LCCM), Quy Nhon University, Quy Nhon 55100, Vietnam
| | - Phan Nhat Minh
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City 71515, Vietnam
| | - Mai Thanh Chi
- Vietnam Academy of Science and Technology, Graduate University of Science and Technology, Ha noi 11355, Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City 71515, Vietnam
| | - Thi-Phuong Nguyen
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City 72806, Vietnam
| | - Chi Hien Dang
- Vietnam Academy of Science and Technology, Graduate University of Science and Technology, Ha noi 11355, Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City 71515, Vietnam
| | - Luu Hong Truong
- Southern Institute of Ecology, Vietnam Academy of Science and Technology, Ho Chi Minh City 71515, Vietnam
| | - Nguyen Kim Tuyen Pham
- Faculty of Environmental Science, Sai Gon University, Ho Chi Minh City 72711, Vietnam
| | - Trần Thị Ngọc Mai
- Ho Chi Minh city University of Technology (HUTECH), Ho Chi Minh city 72324, Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, Ho Chi Minh City 72711, Vietnam
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Kazakova O, Racoviceanu R, Petrova A, Mioc M, Militaru A, Udrescu L, Udrescu M, Voicu A, Cummings J, Robertson G, Ordway DJ, Slayden RA, Șoica C. New Investigations with Lupane Type A-Ring Azepane Triterpenoids for Antimycobacterial Drug Candidate Design. Int J Mol Sci 2021; 22:12542. [PMID: 34830423 PMCID: PMC8621456 DOI: 10.3390/ijms222212542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 12/02/2022] Open
Abstract
Twenty lupane type A-ring azepano-triterpenoids were synthesized from betulin and its related derivatives and their antitubercular activity against Mycobacterium tuberculosis, mono-resistant MTB strains, and nontuberculous strains Mycobacterium abscessus and Mycobacterium avium were investigated in the framework of AToMIc (Anti-mycobacterial Target or Mechanism Identification Contract) realized by the Division of Microbiology and Infectious Diseases, NIAID, National Institute of Health. Of all the tested triterpenoids, 17 compounds showed antitubercular activity and 6 compounds were highly active on the H37Rv wild strain (with MIC 0.5 µM for compound 7), out of which 4 derivatives also emerged as highly active compounds on the three mono-resistant MTB strains. Molecular docking corroborated with a machine learning drug-drug similarity algorithm revealed that azepano-triterpenoids have a rifampicin-like antitubercular activity, with compound 7 scoring the highest as a potential M. tuberculosis RNAP potential inhibitor. FIC testing demonstrated an additive effect of compound 7 when combined with rifampin, isoniazid and ethambutol. Most compounds were highly active against M. avium with compound 14 recording the same MIC value as the control rifampicin (0.0625 µM). The antitubercular ex vivo effectiveness of the tested compounds on THP-1 infected macrophages is correlated with their increased cell permeability. The tested triterpenoids also exhibit low cytotoxicity and do not induce antibacterial resistance in MTB strains.
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Affiliation(s)
- Oxana Kazakova
- Ufa Institute of Chemistry, The Ufa Federal Research Centre, The Russian Academy of Sciences, 71, Pr. Oktyabrya, 450054 Ufa, Russia;
| | - Roxana Racoviceanu
- Department II-Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania; (R.R.); (M.M.); (C.Ș.)
- Res Ctr Pharmacotoxicol Evaluat, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania
| | - Anastasiya Petrova
- Ufa Institute of Chemistry, The Ufa Federal Research Centre, The Russian Academy of Sciences, 71, Pr. Oktyabrya, 450054 Ufa, Russia;
| | - Marius Mioc
- Department II-Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania; (R.R.); (M.M.); (C.Ș.)
- Res Ctr Pharmacotoxicol Evaluat, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania
| | - Adrian Militaru
- Department of Computer and Information Technology, University Politehnica of Timişoara, 2 Vasile Pârvan Blvd., 300223 Timişoara, Romania; (A.M.); (M.U.)
| | - Lucreția Udrescu
- Department I-Drug Analysis, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania;
| | - Mihai Udrescu
- Department of Computer and Information Technology, University Politehnica of Timişoara, 2 Vasile Pârvan Blvd., 300223 Timişoara, Romania; (A.M.); (M.U.)
| | - Adrian Voicu
- Department III-Informatics and Medical Biostatistics, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania
| | - Jason Cummings
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Gregory Robertson
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Diane J. Ordway
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Richard A. Slayden
- Department of Microbiology, Immunology & Pathology, Colorado State University, 1619 Campus Delivery, Fort Collins, CO 80523, USA; (J.C.); (G.R.); (D.J.O.); (R.A.S.)
| | - Codruța Șoica
- Department II-Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timişoara, 2 Eftimie Murgu Sq., 300041 Timişoara, Romania; (R.R.); (M.M.); (C.Ș.)
- Res Ctr Pharmacotoxicol Evaluat, Faculty of Pharmacy, “Victor Babeş” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Sq. 2, 300041 Timisoara, Romania
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Abstract
Pentacyclic triterpenes are important representatives of natural products that exhibit a wide variety of biological activities. These activities suggest that these compounds may represent potential medicines for the treatment of cancer and viral, bacterial, or protozoal infections. Naturally occurring triterpenes usually have several drawbacks, such as limited activity and insufficient solubility and bioavailability; therefore, they need to be modified to obtain compounds suitable for drug development. Modifications can be achieved either by methods of standard organic synthesis or with the use of biocatalysts, such as enzymes or enzyme systems within living organisms. In most cases, these modifications result in the preparation of esters, amides, saponins, or sugar conjugates. Notably, while standard organic synthesis has been heavily used and developed, the use of the latter methodology has been rather limited, but it appears that biocatalysis has recently sparked considerably wider interest within the scientific community. Among triterpenes, derivatives of lupane play important roles. This review therefore summarizes the natural occurrence and sources of lupane triterpenoids, their biosynthesis, and semisynthetic methods that may be used for the production of betulinic acid from abundant and inexpensive betulin. Most importantly, this article compares chemical transformations of lupane triterpenoids with analogous reactions performed by biocatalysts and highlights a large space for the future development of biocatalysis in this field. The results of this study may serve as a summary of the current state of research and demonstrate the potential of the method in future applications.
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Affiliation(s)
- Jan Bachořík
- Department of Organic Chemistry, Faculty of Science, Palacký University in Olomouc, 17. listopadu 12, 771 46 Olomouc, Czech Republic;
| | - Milan Urban
- Medicinal Chemistry, Faculty of Medicine and Dentistry, Institute of Molecular and Translational Medicine, Palacký University in Olomouc, Hněvotínská 5, 779 00 Olomouc, Czech Republic
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Babaev M, Khusnutdinova E, Lobov A, Galimova Z, Petrova A, Rybalova T, Nguyen HTT, Meyers C, Prichard M, Kazakova O. Allobetulone rearrangement to l8αH,19βH-ursane triterpenoids with antiviral activity. Nat Prod Res 2020; 36:3286-3296. [PMID: 33287588 DOI: 10.1080/14786419.2020.1855159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Allobetulone E-ring rearrangement under treating with HClO4 in Ac2O under reflux afforded new triterpenoids: 3,28-diacetoxy-21-acetyl-2(3),20(21)-18α,19βH-ursandiene 3 and 3,28-diacetoxy-2(3),18(19)-oleandiene 4. 18α,19βH-Ursanes were transformed at A- and E-rings into indolo- and bis-furfurylidene 7 derivatives. Structure elucidation was performed using COSY, NOESY, HSQC and HMBC experiments, and X-Ray analysis for 3. The potential of newly obtained 18α,19βH-ursanes was evaluated against HCMV and HPV-11, the NCI-60 cancer cell panel and inhibition of α-glucosidase. All of the compounds have shown viral inhibition towards HCMV compared to standard drug Acyclovir. 3β-Acetoxy-21β-acetyl-20β,28-epoxy-18α,19βН-ursane 1 showed moderate activity (EC50 4.87 μM) towards the HCMV-resistant isolate (GDGr K17) compared to standard drug Cidofovir and was four times more potent than Ganciclovir. Compound 7 inhibited the cell growth of the three melanoma and one colon cancer cell. 3-Oxo-21β-acetyl-20β,28-epoxy-18α,19βН-ursane 5 and compound 7 inhibited α-glucosidase with IC50 28.0 µM and 4.0 µM being from 6 to 44 times more active than acarbose.
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Affiliation(s)
- Marat Babaev
- Ufa Institute of Chemistry UFRC RAS, Ufa, Russian Federation
| | | | - Alexander Lobov
- Ufa Institute of Chemistry UFRC RAS, Ufa, Russian Federation
| | - Zarema Galimova
- Ufa Institute of Chemistry UFRC RAS, Ufa, Russian Federation
| | | | - Tatyana Rybalova
- N.N. Vorozhtzov, Novosibirsk Institute of Organic Chemistry SB RAS, Novosibirsk, Russian Federation
| | - Ha Thi Thu Nguyen
- Institute of Chemistry, Vietnamese Academy of Science and Technology, Cau Giay Dist, Hanoi, Vietnam
| | - Craig Meyers
- Penn State College of Medicine, Hershey, PA, USA
| | - Mark Prichard
- University of Alabama at Birmingham, Birmingham, AL, USA
| | - Oxana Kazakova
- Ufa Institute of Chemistry UFRC RAS, Ufa, Russian Federation
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6
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Yamashita H, Matsuzaki M, Kurokawa Y, Nakane T, Goto M, Lee KH, Shibata T, Bando H, Wada K. Four New Triterpenoids from the Bark of Euonymus alatus forma ciliato-dentatus. Phytochem Lett 2019; 31:140-146. [PMID: 31379978 PMCID: PMC6677265 DOI: 10.1016/j.phytol.2019.03.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Four novel lupane-type lupane-type triterpenoids (including three norlupane-type triterpenoids), 17β-hydroxy-28-norlup-20(29)-en-3-one (1), 3β,17β-dihydroxy-28,30-bisnorlupan-20-one (2), 3β-hydroxy-20-oxo-30-norlupan-28-al (3) and lup-20(29)-ene-3,23,30-triol (4), were isolated together with ten known lupane triterpenoids (5~14) from the bark of Euonymus alatus forma ciliato-dentatus. Their structures were determined from 1D- and 2D-NMR analysis and comparison of their spectroscopic data with literature values. The known compounds (5~14) were reported for the first time from this plant.
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Affiliation(s)
- Hiroshi Yamashita
- Hokkaido University of Science, Faculty of Pharmaceutical Sciences, 4-1, 7-jo 15-choume, Maeda, Teine-ku, Sapporo 006-8590, Japan
| | - Madoka Matsuzaki
- Hokkaido University of Science, Faculty of Pharmaceutical Sciences, 4-1, 7-jo 15-choume, Maeda, Teine-ku, Sapporo 006-8590, Japan
| | - Yuria Kurokawa
- Hokkaido University of Science, Faculty of Pharmaceutical Sciences, 4-1, 7-jo 15-choume, Maeda, Teine-ku, Sapporo 006-8590, Japan
| | - Takahisa Nakane
- Showa Pharmaceutical University, 3-3165, Higashi Tamagawa Gakuen, Machida, Tokyo 194-8543, Japan
| | - Masuo Goto
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7568, USA
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599-7568, USA
- Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, 40402, Taiwan
| | - Toshiro Shibata
- Tsukuba Division, Research Center for Medicinal Plant Resources, National Institute of Biomedical Innovation, Health and Nutrition; 1-2, Hachimandai, Tsukuba, Ibaraki 305-0843, Japan
| | - Hideo Bando
- Hokkaido University of Science, Faculty of Pharmaceutical Sciences, 4-1, 7-jo 15-choume, Maeda, Teine-ku, Sapporo 006-8590, Japan
| | - Koji Wada
- Hokkaido University of Science, Faculty of Pharmaceutical Sciences, 4-1, 7-jo 15-choume, Maeda, Teine-ku, Sapporo 006-8590, Japan
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Zergainoh N, Ciavatta ML, Carbone M, Bitam F, Aberkane MC, Gavagnin M. Exploring the Chemical Diversity of Algerian Plants: Three New Pentacyclic Triterpenoids from Launaea acanthoclada Roots. Molecules 2017; 23:molecules23010080. [PMID: 29301201 PMCID: PMC6017627 DOI: 10.3390/molecules23010080] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 12/27/2017] [Accepted: 12/28/2017] [Indexed: 11/24/2022] Open
Abstract
The chemical study of Launaea acanthoclada from South-East Algeria led to the isolation of twelve oxygenated terpenoid compounds, including three new pentacyclic triterpenoids 1–3 with either lupane or ursane rearranged skeletons. The structure and the stereochemistry of these compounds were established by spectroscopic methods, including NMR techniques. The chemical pattern of L. acanthoclada is in accordance with the triterpenoid scenario of the genus Launaea embracing to date lupane, oleane, ursane and taraxastane skeletons. However, the carbon frameworks exhibited by new compounds 1–3 have never been reported from Launaea species.
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Affiliation(s)
- Nabila Zergainoh
- National Research Council (CNR), Institute of Biomolecular Chemistry (ICB), Via Campi Flegrei, 34, 80078 Pozzuoli (Naples), Italy.
- Laboratory of Chemistry and Environmental Chemistry (L.C.C.E), Department of Chemistry, Faculty of Sciences of the Matter, University of Batna 1, 05000 Batna, Algeria.
| | - Maria Letizia Ciavatta
- National Research Council (CNR), Institute of Biomolecular Chemistry (ICB), Via Campi Flegrei, 34, 80078 Pozzuoli (Naples), Italy.
| | - Marianna Carbone
- National Research Council (CNR), Institute of Biomolecular Chemistry (ICB), Via Campi Flegrei, 34, 80078 Pozzuoli (Naples), Italy.
| | - Fatma Bitam
- Department of Pharmacy, University of Batna 2, Faculty of Medicine, 05000 Batna, Algeria.
| | - Mohamed Cherif Aberkane
- Laboratory of Chemistry and Environmental Chemistry (L.C.C.E), Department of Chemistry, Faculty of Sciences of the Matter, University of Batna 1, 05000 Batna, Algeria.
| | - Margherita Gavagnin
- National Research Council (CNR), Institute of Biomolecular Chemistry (ICB), Via Campi Flegrei, 34, 80078 Pozzuoli (Naples), Italy.
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Abstract
Background: It is well known that the naturally occurring modified triterpenes in plants have a wide diversity of chemical structures and biological functions. The lupane-, oleanane-, and ursane-type triterpenes are the three major members of natural triterpenes with a wide range of biological properties. A systematic approach is necessary to review their structures and biological activities according to the backbones and the different substituents. Objective: Thirty lupane-(L1-7), oleanane-(O1-14), and ursane-type (U1-9) triterpenes with structural diversity were examined to evaluate their cytotoxic activities against two cancer cell lines, human hepatocellular carcinoma (HepG2) and AGS cells. Materials and Methods: They were isolated from Hedera helix, Juglans sinensis, and Pulsatilla koreana using a series of column chromatography methods and were treated to evaluate their cytotoxic activities against HepG2 and AGS human gastric adenocarcinoma cell. Further, two triterpenes showing the most potent activities were subjected to the apoptotic screening assay using flow cytometry. Results: The polar groups, such as an oxo group at C-1, a free hydroxyl at C-2, C-3, or C-23, and a carboxylic moiety at C-28, as well as the type of backbone, explicitly increased the cytotoxic activity on two cancer cells. O5 and U5 showed significantly the potent cytotoxic activity in comparison to other glycosidic triterpenes. In annexin-V/propidium iodide (PI) staining assay, the percentage of late apoptosis (annexin-V+/PI+) 12 and 24 h after treatment with O5 and U5 at 25 μM increased from 14.5% to 93.1% and from 46.4% to 49.1%, respectively, in AGS cells. The cytotoxicity induced by O5 showed a significant difference compared to U5 for 12 and 24 h. Conclusion: In the study, we can suggest the potent moieties which influence their cytotoxic activities against two cancer cells. The polar groups at C-1, C-2, C-3, C-23, and C-28 and the linkage of sugar moieties influenced the different cytotoxic activities. SUMMARY Thirty naturally occurring oleanane-, ursane-, and lupane-type triterpenes were isolated from Hedera helix, Juglans sinensis, and Pulsatilla koreana An oxo, a free hydroxyl, a carboxylic moiety, and the types of aglycone influenced the cell cytotoxicity Corosolic acid and α-hederin showed the most potent cytotoxicity via apoptosis.
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Affiliation(s)
- Heejung Yang
- College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
| | - Hyun Woo Kim
- College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul, Republic of Korea
| | - Young Choong Kim
- College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul, Republic of Korea
| | - Sang Hyun Sung
- College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul, Republic of Korea
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9
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Teles CBG, Moreira-Dill LS, Silva ADA, Facundo VA, de Azevedo WF, da Silva LHP, Motta MCM, Stábeli RG, Silva-Jardim I. A lupane-triterpene isolated from Combretum leprosum Mart. fruit extracts that interferes with the intracellular development of Leishmania (L.) amazonensis in vitro. BMC Complement Altern Med 2015; 15:165. [PMID: 26048712 PMCID: PMC4457080 DOI: 10.1186/s12906-015-0681-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 05/20/2015] [Indexed: 01/11/2023]
Abstract
BACKGROUND 3beta,6beta,16beta-trihydroxylup-20(29)-ene is a lupane triterpene isolated from Combretum leprosum fruit. The lupane group has been extensively used in studies on anticancer effects; however, its possible activity against protozoa parasites is yet poorly known. The high toxicity of the compounds currently used in leishmaniasis chemotherapy stimulates the investigation of new molecules and drug targets for antileishmanial therapy. METHODS The activity of 3beta,6beta,16beta-trihydroxylup-20(29)-ene was evaluated against Leishmania (L.) amazonensis by determining the cytotoxicity of the compound on murine peritoneal macrophages, as well as its effects on parasite survival inside host cells. To evaluate the effect of this compound on intracellular amastigotes, cultures of infected macrophages were treated for 24, 48 and 96 h and the percentage of infected macrophages and the number of intracellular parasites was scored using light microscopy. RESULTS Lupane showed significant activity against the intracellular amastigotes of L. (L.) amazonensis. The treatment with 109 μM for 96 h reduced in 80 % the survival index of parasites in BALB/c peritoneal macrophages. At this concentration, the triterpene caused no cytotoxic effects against mouse peritoneal macrophages. Ultrastructural analyses of L. (L.) amazonensis intracellular amastigotes showed that lupane induced some morphological changes in parasites, such as cytosolic vacuolization, lipid body formation and mitochondrial swelling. Bioinformatic analyses through molecular docking suggest that this lupane has high-affinity binding with DNA topoisomerase. CONCLUSION Taken together, our results have showed that the lupane triterpene from C. leprosum interferes with L. (L.) amazonensis amastigote replication and survival inside vertebrate host cells and bioinformatics analyses strongly indicate that this molecule may be a potential inhibitor of topoisomerase IB. Moreover, this study opens major prospects for the development of novel chemotherapeutic agents with leishmanicidal activity.
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Affiliation(s)
- Carolina Bioni Garcia Teles
- Malaria and Leishmaniasis Bioassays platform, Oswaldo Cruz Foundation (Fiocruz Rondônia), Porto Velho, Rondônia, Brazil.
| | - Leandro Soares Moreira-Dill
- Center of Studies for Biomolecules Applied to Health (CEBio), Oswaldo Cruz Foundation (Fiocruz Rondônia), Porto Velho, Rondônia, Brazil.
| | - Alexandre de Almeida Silva
- Laboratory of Insect Bioecology, Universidade Federal de Rondônia (UNIR), Porto Velho, Rondônia, Brazil.
- Laboratory of Medical Entomology, Oswaldo Cruz Foundation (Fiocruz Rondônia), Porto Velho, Rondônia, Brazil.
| | - Valdir Alves Facundo
- Research Laboratory of Chemistry of Natural Products, Universidade Federal de Rondônia (UNIR), Porto Velho, Rondônia, Brazil.
| | - Walter F de Azevedo
- Structural Biochemistry Laboratory, PUC, Rio Grande do Sul, Porto Alegre, Brazil.
| | - Luiz Hildebrando Pereira da Silva
- Laboratory of Molecular Epidemiology, Research Institute for Tropical Diseases in Rondônia (IPEPATRO), Porto Velho, Rondônia, Brazil.
| | - Maria Cristina M Motta
- Laboratory of Cellular Ultrastructure Hertha Meyer, Institute of Biophysics, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
| | - Rodrigo Guerino Stábeli
- Center of Studies for Biomolecules Applied to Health (CEBio), Oswaldo Cruz Foundation (Fiocruz Rondônia), Porto Velho, Rondônia, Brazil.
| | - Izaltina Silva-Jardim
- Department of Biological Sciences, Universidade Estadual de Santa Cruz (UESC), Ilheús, Bahia, Brazil.
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Jäger S, Trojan H, Kopp T, Laszczyk MN, Scheffler A. Pentacyclic triterpene distribution in various plants - rich sources for a new group of multi-potent plant extracts. Molecules 2009; 14:2016-31. [PMID: 19513002 PMCID: PMC6254168 DOI: 10.3390/molecules14062016] [Citation(s) in RCA: 385] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2009] [Revised: 05/26/2009] [Accepted: 06/03/2009] [Indexed: 01/01/2023] Open
Abstract
Pentacyclic triterpenes are secondary plant metabolites widespread in fruit peel, leaves and stem bark. In particular the lupane-, oleanane-, and ursane triterpenes display various pharmacological effects while being devoid of prominent toxicity. Therefore, these triterpenes are promising leading compounds for the development of new multi-targeting bioactive agents. Screening of 39 plant materials identified triterpene rich (> 0.1% dry matter) plant parts. Plant materials with high triterpene concentrations were then used to obtain dry extracts by accelerated solvent extraction resulting in a triterpene content of 50 - 90%. Depending on the plant material, betulin (birch bark), betulinic acid (plane bark), oleanolic acid (olive leaves, olive pomace, mistletoe sprouts, clove flowers), ursolic acid (apple pomace) or an equal mixture of the three triterpene acids (rosemary leaves) are the main components of these dry extracts. They are quantitatively characterised plant extracts supplying a high concentration of actives and therefore can be used for development of phytopharmaceutical formulations.
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Affiliation(s)
- Sebastian Jäger
- Carl Gustav Carus-Institute, Am Eichhof 30, D-75223 Niefern-Öschelbronn, Germany
| | - Holger Trojan
- Carl Gustav Carus-Institute, Am Eichhof 30, D-75223 Niefern-Öschelbronn, Germany
| | - Thomas Kopp
- Carl Gustav Carus-Institute, Am Eichhof 30, D-75223 Niefern-Öschelbronn, Germany
| | - Melanie N. Laszczyk
- Betulin-Institute, Blumenstrasse 24, D-64297 Darmstadt, Germany; E-Mail: (M-N.L.)
| | - Armin Scheffler
- Carl Gustav Carus-Institute, Am Eichhof 30, D-75223 Niefern-Öschelbronn, Germany
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