1
|
Identification of a Family of Glycoside Derivatives Biologically Active against Acinetobacter baumannii and Other MDR Bacteria Using a QSPR Model. Pharmaceuticals (Basel) 2023. [DOI: 10.3390/ph16020250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023] Open
Abstract
As the rate of discovery of new antibacterial compounds for multidrug-resistant bacteria is declining, there is an urge for the search for molecules that could revert this tendency. Acinetobacter baumannii has emerged as a highly virulent Gram-negative bacterium that has acquired multiple resistance mechanisms against antibiotics and is considered of critical priority. In this work, we developed a quantitative structure-property relationship (QSPR) model with 592 compounds for the identification of structural parameters related to their property as antibacterial agents against A. baumannii. QSPR mathematical validation (R2 = 70.27, RN = −0.008, a(R2) = 0.014, and δK = 0.021) and its prediction ability (Q2LMO = 67.89, Q2EXT = 67.75, a(Q2) = −0.068, δQ = 0.0, rm2¯ = 0.229, and Δrm2 = 0.522) were obtained with different statistical parameters; additional validation was done using three sets of external molecules (R2 = 72.89, 71.64 and 71.56). We used the QSPR model to perform a virtual screening on the BIOFACQUIM natural product database. From this screening, our model showed that molecules 32 to 35 and 54 to 68, isolated from different extracts of plants of the Ipomoea sp., are potential antibacterials against A. baumannii. Furthermore, biological assays showed that molecules 56 and 60 to 64 have a wide antibacterial activity against clinically isolated strains of A. baumannii, as well as other multidrug-resistant bacteria, including Staphylococcus aureus, Escherichia coli, Klebsiella pneumonia, and Pseudomonas aeruginosa. Finally, we propose 60 as a potential lead compound due to its broad-spectrum activity and its structural simplicity. Therefore, our QSPR model can be used as a tool for the investigation and search for new antibacterial compounds against A. baumannii.
Collapse
|
2
|
Osman Mohammed RM, Huang Y, Guan X, Huang X, Deng S, Yang R, Li J, Li J. Cytotoxic cardiac glycosides from the root of Streblus asper. PHYTOCHEMISTRY 2022; 200:113239. [PMID: 35623471 DOI: 10.1016/j.phytochem.2022.113239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 05/07/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
Bioassay-guided separation of the root of Streblus asper led to the identification of six undescribed cardiac glycosides, including a rare cardiac glycoside dimer, along with twelve previously reported analogues. Their structures were determined on the basis of analyses of spectroscopic methods (1D and 2D-NMR spectroscopy), high-resolution electrospray ionization mass spectrometry (HRESIMS), circular dichroism (CD), and comparison of their spectroscopic data with previously reported data. Regarding their cytotoxic activities, microculture tetrazolium assays showed that all isolated cardiac glycosides strongly inhibited MCC-803, T24, SKOV-3, HepG2, Wi-38, and A549 cancer cell lines, with IC50 values ranging from 0.075 μM to 0.752 μM. One cardiac glycoside, a rare cardiac glycoside dimer, exhibited the strongest activity against the six cancer cell lines, with IC50 values ranging from 0.075 μM to 0.214 μM. In addition, the structure-activity relationships (SARs) of cardiac glycosides were investigated. In summary, S. asper showed marked cytotoxicity to several cancer cell lines, which could be meaningful for discovering new anticancer agents.
Collapse
Affiliation(s)
- Rehab Mobark Osman Mohammed
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, China; Department of Pharmaceutical Cognosy, Faculty of Pharmacy, University of AL-Neelain, Khartoum, Sudan
| | - Yan Huang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, China
| | - Xinlan Guan
- Peoples' Hospital of Pubei, Pubei, 535300, China
| | - Xishan Huang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, China
| | - Shengping Deng
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, China
| | - Ruiyun Yang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, China
| | - Jian Li
- Peoples' Hospital of Pubei, Pubei, 535300, China.
| | - Jun Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin, 541004, China.
| |
Collapse
|
3
|
Mickely W Engelbrecht L, Vicente Ribeiro R, Cristiane Yoshida N, Dos Santos Gonçalves V, Pavan E, Tabajara de Oliveira Martins D, Luiz Dos Santos É. Chemical Characterization, Antioxidant and Cytotoxic Activities of the Edible Fruits of Brosimun gaudichaudii Trécul, a Native Plant of the Cerrado Biome. Chem Biodivers 2021; 18:e2001068. [PMID: 33998146 DOI: 10.1002/cbdv.202001068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 05/11/2021] [Indexed: 11/10/2022]
Abstract
In Brazil, there is a large diversity of species of small edible fruits that are considered sources of nutrients and functional properties. They present a high innovation domain for the pharmaceutical, cosmetic and food industries due to their health-promoting properties. Edible fruits from Brosimum gaudichaudii (Moraceae) are widely consumed and used in folk medicine and in feed by the population of the Brazilian Cerrado. Nevertheless, detailed information on the chemical fingerprint, antiradical activity and safety aspects of these fruits is still unknown. Thus, the aim of this work was to investigate the bioactive compounds of hydroethanolic extracts of fruits from Brosimum gaudichaudii using high-performance liquid chromatography combined with mass spectrometry using electrospray ionization (HPLC ESI-MS). Eighteen different compounds, including flavonoids, coumarins, arylbenzofurans, terpenoids, stilbenes, xanthones and esters, were detected. Moreover, the study indicated that the hydroethanolic extract of fruits from B. gaudichaudii presented low scavenging activity against 2,2-diphenyl-1-picrylhydrazyl radicals (IC50 >800 μg mL-1 ) and was cytotoxic (IC50 <30 μg mL-1 ) in Chinese hamster ovary cells (CHO-K1) by an in vitro assay. This is the first report of the chemical profile, antioxidant activity and cytotoxic properties of the hydroethanolic extract of fruits from B. gaudichaudii.
Collapse
Affiliation(s)
- Luma Mickely W Engelbrecht
- Instituto Federal de Educação Ciência e Tecnologia de Mato Grosso, Lucas do Rio Verde, MT 78455-000, Brazil
| | - Reginaldo Vicente Ribeiro
- Instituto Federal de Educação Ciência e Tecnologia de Mato Grosso, Lucas do Rio Verde, MT 78455-000, Brazil
| | - Nídia Cristiane Yoshida
- Instituto de Química, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS 79074-460, Brazil
| | | | - Eduarda Pavan
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Domingos Tabajara de Oliveira Martins
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Érica Luiz Dos Santos
- Instituto Federal de Educação Ciência e Tecnologia de Mato Grosso, Lucas do Rio Verde, MT 78455-000, Brazil
| |
Collapse
|
4
|
Cardenolides: Insights from chemical structure and pharmacological utility. Pharmacol Res 2018; 141:123-175. [PMID: 30579976 DOI: 10.1016/j.phrs.2018.12.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 12/07/2018] [Accepted: 12/18/2018] [Indexed: 02/08/2023]
Abstract
Cardiac glycosides (CGs) are a class of naturally occurring steroid-like compounds, and members of this class have been in clinical use for more than 1500 years. They have been used in folk medicine as arrow poisons, abortifacients, heart tonics, emetics, and diuretics as well as in other applications. The major use of CGs today is based on their ability to inhibit the membrane-bound Na+/K+-ATPase enzyme, and they are regarded as an effective treatment for congestive heart failure (CHF), cardiac arrhythmia and atrial fibrillation. Furthermore, increasing evidence has indicated the potential cytotoxic effects of CGs against various types of cancer. In this review, we highlight some of the structural features of this class of natural products that are crucial for their efficacy, some methods of isolating these compounds from natural resources, and the structural elucidation tools that have been used. We also describe their physicochemical properties and several modern biotechnological approaches for preparing CGs that do not require plant sources.
Collapse
|
5
|
Jones KD, Stewart SG. Recent Advances in Steroid Synthesis: A Tribute to Sir Derek Barton. Aust J Chem 2018. [DOI: 10.1071/ch18256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The synthesis of steroids and gaining an ultimate understanding of their reactivity was one of Sir Derek Barton’s most notable research areas. This highlight will focus on the construction of the steroid ring system from 2016 to 2018, and will include pathways that eventually led to natural product synthesis. For example, efficient syntheses of ent-pregnanolone sulfate and oestradiol methyl ether will be explained along with the total synthesis of cannogenol-3-O-α-l-rhamnoside.
Collapse
|
6
|
Bhattarai B, Nagorny P. Enantioselective Total Synthesis of Cannogenol-3-O-α-l-rhamnoside via Sequential Cu(II)-Catalyzed Michael Addition/Intramolecular Aldol Cyclization Reactions. Org Lett 2017; 20:154-157. [PMID: 29244520 DOI: 10.1021/acs.orglett.7b03513] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A concise and scalable enantioselective total synthesis of the natural cardenolides cannogenol and cannogenol-3-O-α-l-rhamnoside has been achieved in 18 linear steps. The synthesis features a Cu(II)-catalyzed enantioselective and diastereoselective Michael reaction/tandem aldol cyclization and a one-pot reduction/transposition, which resulted in a rapid (6 linear steps) assembly of a functionalized intermediate containing C19 oxygenation that could be elaborated to cardenolide cannogenol. In addition, a strategy for achieving regio- and stereoselective glycosylation at the C3 position of synthetic cannogenol was developed and applied to the preparation of cannogenol-3-O-α-l-rhamnoside.
Collapse
Affiliation(s)
- Bijay Bhattarai
- Chemistry Department, University of Michigan , 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Pavel Nagorny
- Chemistry Department, University of Michigan , 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| |
Collapse
|
7
|
Wonganan O, He YJ, Shen XF, Wongkrajang K, Suksamrarn A, Zhang GL, Wang F. 6-Hydroxy-3-O-methyl-kaempferol 6-O-glucopyranoside potentiates the anti-proliferative effect of interferon α/β by promoting activation of the JAK/STAT signaling by inhibiting SOCS3 in hepatocellular carcinoma cells. Toxicol Appl Pharmacol 2017; 336:31-39. [PMID: 29031523 DOI: 10.1016/j.taap.2017.10.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 10/06/2017] [Accepted: 10/09/2017] [Indexed: 01/13/2023]
Abstract
Suppressor of cytokine signaling 3 (SOCS3) is a key negative regulator of type I interferon (IFN α/β) signaling. Inhibition of SOCS3 by small molecules may be a new strategy to enhance the efficacy of type I IFN and reduce its side effects. We established a cell-based screening assay using human hepatoma HepG2 cells stably transfected with a plasmid wherein the luciferase reporter activity was propelled by interferon α-stimulated response element (ISRE), which is a motif specifically recognized by type I IFN-induced activation of Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway. After screening our chemical library, 6-hydroxy-3-O-methyl-kaempferol 6-O-glucopyranoside (K6G) was identified to be a potent activator of type I IFN with EC50 value of 3.33±0.04μM. K6G enhanced the phosphorylation of JAK1, Tyk2, and STAT1/2 but decreased the phosphorylation of STAT3. K6G also promoted endogenous IFN-α-regulated genes expression. More interestingly, K6G significantly decreased the expression of SOCS3 without affecting the expression of SOCS1. Furthermore, K6G enhanced the anti-proliferative effect of IFN-α on hepatocellular carcinoma (HCC) cells. These results suggested that K6G potentiated the inhibitory effect of IFN-α on HCC cell proliferation through activation of the JAK/STAT signaling pathway by inhibiting SOCS3 expression. K6G warrants further investigation as a novel therapeutic method to enhance the efficacy of IFN-α/β.
Collapse
Affiliation(s)
- Orawan Wonganan
- Key Laboratory of Natural Medicine and Clinical Translation, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; University of Chinese Academy of Sciences, China
| | - Yu-Jiao He
- Key Laboratory of Natural Medicine and Clinical Translation, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; Department of Antibiotic Research & Re-evaluation, Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Xiao-Fei Shen
- Key Laboratory of Natural Medicine and Clinical Translation, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Kanjana Wongkrajang
- Key Laboratory of Natural Medicine and Clinical Translation, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China; Department of Chemistry, Faculty of Science and Technology, Pibulsongkram Rajabhat University, Phitsanulok, Thailand
| | - Apichart Suksamrarn
- Department of Chemistry and Center for Innovation in Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok 10240, Thailand
| | - Guo-Lin Zhang
- Key Laboratory of Natural Medicine and Clinical Translation, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
| | - Fei Wang
- Key Laboratory of Natural Medicine and Clinical Translation, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
| |
Collapse
|
8
|
Chen WL, Ren Y, Ren J, Erxleben C, Johnson ME, Gentile S, Kinghorn AD, Swanson SM, Burdette JE. (+)-Strebloside-Induced Cytotoxicity in Ovarian Cancer Cells Is Mediated through Cardiac Glycoside Signaling Networks. JOURNAL OF NATURAL PRODUCTS 2017; 80:659-669. [PMID: 28234008 PMCID: PMC5768141 DOI: 10.1021/acs.jnatprod.6b01150] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
(+)-Strebloside, a cardiac glycoside isolated from the stem bark of Streblus asper collected in Vietnam, has shown some potential for further investigation as an antineoplastic agent. A mechanistic study using an in vitro assay and molecular docking analysis indicated that (+)-strebloside binds and inhibits Na+/K+-ATPase in a similar manner to digitoxin. Inhibition of growth of different high-grade serous ovarian cancer cells including OVCAR3, OVSAHO, Kuramochi, OVCAR4, OVCAR5, and OVCAR8 resulted from treatment with (+)-strebloside. Furthermore, this compound blocked cell cycle progression at the G2 phase and induced PARP cleavage, indicating apoptosis activation in OVCAR3 cells. (+)-Strebloside potently inhibited mutant p53 expression through the induction of ERK pathways and inhibited NF-κB activity in human ovarian cancer cells. However, in spite of its antitumor potential, the overall biological activity of (+)-strebloside must be regarded as being typical of better-known cardiac glycosides such as digoxin and ouabain. Further chemical alteration of cardiac glycosides might help to reduce negative side effects while increasing cancer cell cytotoxicity.
Collapse
Affiliation(s)
- Wei-Lun Chen
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Yulin Ren
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Jinhong Ren
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Christian Erxleben
- Department of Molecular Pharmacology & Therapeutics, Loyola University, Chicago, IL 60153, United States
| | - Michael E. Johnson
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Saverio Gentile
- Department of Molecular Pharmacology & Therapeutics, Loyola University, Chicago, IL 60153, United States
| | - A. Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Steven M. Swanson
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, United States
| | - Joanna E. Burdette
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| |
Collapse
|
9
|
Ren Y, Chen WL, Lantvit DD, Sass EJ, Shriwas P, Ninh TN, Chai HB, Zhang X, Soejarto DD, Chen X, Lucas DM, Swanson SM, Burdette JE, Kinghorn AD. Cardiac Glycoside Constituents of Streblus asper with Potential Antineoplastic Activity. JOURNAL OF NATURAL PRODUCTS 2017; 80:648-658. [PMID: 27983842 PMCID: PMC5365359 DOI: 10.1021/acs.jnatprod.6b00924] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Three new (1-3) and two known (4 and 5) cytotoxic cardiac glycosides were isolated and characterized from a medicinal plant, Streblus asper Lour. (Moraceae), collected in Vietnam, with six new analogues and one known derivative (5a-g) synthesized from (+)-strebloside (5). A preliminary structure-activity relationship study indicated that the C-10 formyl and C-5 and C-14 hydroxy groups and C-3 sugar unit play important roles in the mediation of the cytotoxicity of (+)-strebloside (5) against HT-29 human colon cancer cells. When evaluated in NCr nu/nu mice implanted intraperitoneally with hollow fibers facilitated with either MDA-MB-231 human breast or OVCAR3 human ovarian cancer cells, (+)-strebloside (5) showed significant cell growth inhibitory activity in both cases, in the dose range 5-30 mg/kg.
Collapse
Affiliation(s)
- Yulin Ren
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Wei-Lun Chen
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Daniel D. Lantvit
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Ellen J. Sass
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH 43210, United States
| | - Pratik Shriwas
- Department of Biological Sciences, Ohio University, Athens, OH 45701, United States
- Edison Biotechnology Institute, Ohio University, Athens, OH 45701, United States
- Molecular and Cellular Biology Program, Ohio University, Athens, OH 45701, United States
| | - Tran Ngoc Ninh
- Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
| | - Hee-Byung Chai
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
| | - Xiaoli Zhang
- Center for Biostatistics, The Ohio State University, Columbus, OH 43210, United States
| | - Djaja D. Soejarto
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
- Science and Education, Field Museum of Natural History, Chicago, IL 60605, United States
| | - Xiaozhuo Chen
- Department of Biological Sciences, Ohio University, Athens, OH 45701, United States
- Edison Biotechnology Institute, Ohio University, Athens, OH 45701, United States
- Molecular and Cellular Biology Program, Ohio University, Athens, OH 45701, United States
- Department of Biomedical Sciences, Ohio University, Athens, OH 45701, United States
| | - David M. Lucas
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH 43210, United States
| | - Steven M. Swanson
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
- School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705, United States
| | - Joanna E. Burdette
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - A. Douglas Kinghorn
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, United States
- Corresponding Author.
| |
Collapse
|
10
|
Zhao T, Li SJ, Zhang ZX, Zhang ML, Shi QW, Gu YC, Dong M, Kiyota H. Chemical constituents from the genus Saussurea and their biological activities. HETEROCYCL COMMUN 2017. [DOI: 10.1515/hc-2017-0069] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
AbstractThe genus
Collapse
|
11
|
Amara AAAF. An overview of the molecular and cellular interactions of some bioactive compounds. BIOTECHNOLOGY OF BIOACTIVE COMPOUNDS 2015:525-554. [DOI: 10.1002/9781118733103.ch21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
|
12
|
Ye C, Wang H, Xue R, Han N, Wang L, Yang J, Wang Y, Yin J. Minor cytotoxic cardenolide glycosides from the root of Streptocaulon juventas. Steroids 2015; 93:39-46. [PMID: 25449765 DOI: 10.1016/j.steroids.2014.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 10/16/2014] [Accepted: 10/29/2014] [Indexed: 11/26/2022]
Abstract
In order to determine new minor natural cardenolide glycosides as cytotoxic candidates, we isolated six new cardenolide glycosides together with four known ones, which had never previously been reported in the genus, by bioassay-guided separation from the 75% ethanol extract of Streptocaulon juventas (Asclepiadaceae). Their structures were elucidated on the basis of spectroscopic analysis, including homo- and heteronuclear correlation NMR experiments (COSY, HSQC and HMBC). The cytotoxic activities of these compounds were evaluated against A549 and NCI-H460 cell lines by MTT assay and compound 7 exhibited inhibitory activity against the two cell lines, while other compounds displayed a range of inhibitory activity against NCI-H460 and A549 cells. Their structure-activity relationships were also discussed.
Collapse
Affiliation(s)
- Chun Ye
- Development and Utilization Key Laboratory of Northeast Plant Materials, Key Laboratory of Northeast Authentic Materials Research and Development in Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Hua Wang
- Development and Utilization Key Laboratory of Northeast Plant Materials, Key Laboratory of Northeast Authentic Materials Research and Development in Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Rui Xue
- Development and Utilization Key Laboratory of Northeast Plant Materials, Key Laboratory of Northeast Authentic Materials Research and Development in Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Na Han
- Development and Utilization Key Laboratory of Northeast Plant Materials, Key Laboratory of Northeast Authentic Materials Research and Development in Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Lihui Wang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jingyu Yang
- Department of Pharmacology, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yu Wang
- The People's Liberation Army 463 Hospital, Shenyang 110042, China
| | - Jun Yin
- Development and Utilization Key Laboratory of Northeast Plant Materials, Key Laboratory of Northeast Authentic Materials Research and Development in Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| |
Collapse
|
13
|
Li XS, Hu MJ, Liu J, Liu Q, Huang ZX, Li SL, Hao XJ, Zhang XK, Yao XS, Tang JS. Cardiac glycosides from the bark of Antiaris toxicaria. Fitoterapia 2014; 97:71-7. [DOI: 10.1016/j.fitote.2014.05.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 05/20/2014] [Accepted: 05/21/2014] [Indexed: 10/25/2022]
|
14
|
Xue R, Han N, Ye C, Wang L, Yang J, Wang Y, Yin J. The cytotoxic activities of cardiac glycosides from Streptocaulon juventas and the structure-activity relationships. Fitoterapia 2014; 98:228-33. [PMID: 25128424 DOI: 10.1016/j.fitote.2014.08.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 08/03/2014] [Accepted: 08/05/2014] [Indexed: 10/24/2022]
Abstract
A series of cardiac glycosides were isolated and identified from the anti-tumor fraction of the root of Streptocaulon juventas in previous studies. In the present research, the cytotoxic activities of the 43 cardiac glycosides on three cell lines, human lung A549 adenocarcinoma cell, large cell lung cancer NCI-H460 cell and normal human fetal lung fibroblast MRC-5 cell, were evaluated in vitro. Most of the tested compounds showed potent inhibitory activities toward the three cell lines. Then, the structure-activity relationships were discussed in detail. It was indicated that hydroxyl and acetyl groups at C-16 increased the activity, whereas hydroxyl group at C-1 and C-5 can both increase and decrease the activity. Two glucosyl groups which were connected by C1'→C6' showed better inhibitory activity against cancer cell lines, while the C1'→C4' connection showed stronger inhibitory activity against the normal cell line. Also, this is the first report that the activities of these compounds exhibited different variation trends between A549 and NCI-H460 cell lines, which indicated that these compounds could selectively inhibit the cell growth. The results would lay a foundation for further research on new anti-tumor drug development.
Collapse
Affiliation(s)
- Rui Xue
- Development and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Na Han
- Development and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Chun Ye
- Development and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Lihui Wang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Jingyu Yang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yu Wang
- The People's Liberation Army 463 Hospital, Shenyang 110042, China
| | - Jun Yin
- Development and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| |
Collapse
|
15
|
Yang SY, Kim NH, Cho YS, Lee H, Kwon HJ. Convallatoxin, a dual inducer of autophagy and apoptosis, inhibits angiogenesis in vitro and in vivo. PLoS One 2014; 9:e91094. [PMID: 24663328 PMCID: PMC3963847 DOI: 10.1371/journal.pone.0091094] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2013] [Accepted: 02/07/2014] [Indexed: 11/18/2022] Open
Abstract
Autophagy and apoptosis are important processes that control cellular homeostasis and have been highlighted as promising targets for novel cancer therapies. Here, we identified convallatoxin (CNT), isolated from Antiaris toxicaria, as a dual inducer of autophagy and apoptosis. CNT exerts cytotoxic effects on a number of cancer and normal cell lines and induces apoptosis by increasing caspase-3 and poly ADP ribose polymerase (PARP) cleavage. Moreover, dose- and time-dependent autophagic activity was detected in CNT-treated cells, and mammalian target of rapamycin (mTOR)/p70S6K signal pathway inhibition was observed. Notably, CNT inhibits human umbilical vein endothelial cell (HUVEC) growth and exerts anti-angiogenic activity in vitro and in vivo. Collectively, these results demonstrate that the naturally occurring compound, CNT, is a novel anti-angiogenic compound via dual inducing of autophagy and apoptosis.
Collapse
Affiliation(s)
- Seung Ya Yang
- Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science & Biotechnology, Yonsei University, Seoul, Korea
| | - Nam Hee Kim
- Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science & Biotechnology, Yonsei University, Seoul, Korea
| | - Yoon Sun Cho
- Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science & Biotechnology, Yonsei University, Seoul, Korea
| | - Hukeun Lee
- Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science & Biotechnology, Yonsei University, Seoul, Korea
| | - Ho Jeong Kwon
- Department of Biotechnology, Translational Research Center for Protein Function Control, College of Life Science & Biotechnology, Yonsei University, Seoul, Korea
- * E-mail:
| |
Collapse
|
16
|
Williams RB, Norman VL, Goering MG, O'Neil-Johnson M, Eldridge GR, Starks CM. Acetylated dammarane-type bisdesmosides from Combretum inflatum. JOURNAL OF NATURAL PRODUCTS 2013; 76:1592-7. [PMID: 23978065 DOI: 10.1021/np4002652] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The first study of the chemical constituents of Combretum inflatum has resulted in the isolation of seven new acetylated dammarane-type bisdesmosides (1-7). Their structures were determined from microgram quantities on hand using Bruker BioSpin TCI 1.7 mm MicroCryoProbe technology, ESIMS, and comparison to data found in the literature. Compounds 1-7 were screened for inhibition of an Escherichia coli strain UTI89 biofilm, MRSA inhibition, and cytotoxicity in NCI-H460 human lung cancer cells. Compounds 3-7 reduced the growth of MRSA at 16 μg/mL by 71-45%, and compound 7 had an IC₅₀ value of 3.9 μM in NCI-H460.
Collapse
Affiliation(s)
- Russell B Williams
- Lead Discovery and Rapid Structure Elucidation Group, Sequoia Sciences, Inc. , 1912 Innerbelt Business Center Drive, St. Louis, Missouri 63114, United States
| | | | | | | | | | | |
Collapse
|
17
|
Andrianov VM, Korolevich MV. Calculation and comparative analysis of IR spectra of (22S,23S)-24-epibrassinolide and (22S,23S)-28-homobrassinolide. J STRUCT CHEM+ 2013. [DOI: 10.1134/s0022476613040057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
18
|
Wang TM, Wang RF, Chen HB, Shang MY, Cai SQ. Alkyl and phenolic glycosides from Saussurea stella. Fitoterapia 2013; 88:38-43. [DOI: 10.1016/j.fitote.2013.03.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Revised: 03/27/2013] [Accepted: 03/29/2013] [Indexed: 11/27/2022]
|
19
|
Saito Y, Iwamoto Y, Okamoto Y, Kawahara T, Gong X, Kuroda C, Tori M. Eight New Alkyne and Alkene Derivatives from Four Saussurea Species Collected in China. Nat Prod Commun 2013. [DOI: 10.1177/1934578x1300800523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Five samples of four Saussurea species, S. hieracioides, S. stella, S. graminea, and S. tatsienensis, collected in Sichuan Province, China were studied and seven new diynes and a new alkene derivatives were isolated along with 16 known compounds. Absolute configurations of two of the new compounds were established using a modified Mosher's method.
Collapse
Affiliation(s)
- Yoshinori Saito
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
- School of Pharmaceutical Sciences, Nagasaki University, Bunkyo-machi, Nagasaki, 852-8521 Japan
| | - Yuko Iwamoto
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Yasuko Okamoto
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
| | - Takayuki Kawahara
- Shikoku Research Center, Forestry and Forest Products Research Institute, Asakuranishi-machi, Kochi, 780-8077, Japan
| | - Xun Gong
- Kunming Institute of Botany, Chinese Academy of Science, Kunming 650204, China
| | - Chiaki Kuroda
- Department of Chemistry, Rikkyo University, Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
| | - Motoo Tori
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima, 770-8514, Japan
| |
Collapse
|
20
|
Salvador JAR, Carvalho JFS, Neves MAC, Silvestre SM, Leitão AJ, Silva MMC, Sá e Melo ML. Anticancer steroids: linking natural and semi-synthetic compounds. Nat Prod Rep 2013; 30:324-74. [PMID: 23151898 DOI: 10.1039/c2np20082a] [Citation(s) in RCA: 197] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Steroids, a widespread class of natural organic compounds occurring in animals, plants and fungi, have shown great therapeutic value for a broad array of pathologies. The present overview is focused on the anticancer activity of steroids, which is very representative of a rich structural molecular diversity and ability to interact with various biological targets and pathways. This review encompasses the most relevant discoveries on steroid anticancer drugs and leads through the last decade and comprises 668 references.
Collapse
Affiliation(s)
- Jorge A R Salvador
- Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, 3000-508, Coimbra, Portugal.
| | | | | | | | | | | | | |
Collapse
|
21
|
Levrier C, Kiremire B, Guéritte F, Litaudon M. Toxicarioside M, a new cytotoxic 10β-hydroxy-19-nor-cardenolide from Antiaris toxicaria. Fitoterapia 2012; 83:660-4. [DOI: 10.1016/j.fitote.2012.02.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 02/03/2012] [Accepted: 02/04/2012] [Indexed: 11/28/2022]
|
22
|
Liu YP, Cai XH, Feng T, Li Y, Li XN, Luo XD. Triterpene and sterol derivatives from the roots of Breynia fruticosa. JOURNAL OF NATURAL PRODUCTS 2011; 74:1161-1168. [PMID: 21428418 DOI: 10.1021/np2000914] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A new nor-ceanothane-type triterpenoid, breynceanothanolic acid (1), and seven novel 4α-methyl sterols, fruticosides A-G (2-8), were obtained from the roots of Breynia fruticosa. The new compound structures were established by means of extensive spectroscopic and chemical methods. Compounds 7 and 8 are sulfur-containing derivatives of the 4α-methyl sterols, and the sugar moiety of compounds 4, 5, 7, and 8 (L-quinovose) is uncommon in plants. Compounds 1 and 2 exhibited moderate cytotoxicity against five human cancer cell lines.
Collapse
Affiliation(s)
- Ya-Ping Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, People's Republic of China
| | | | | | | | | | | |
Collapse
|
23
|
Misharin AY, Mehtiev AR, Zhabinskii VN, Khripach VA, Timofeev VP, Tkachev YV. Toxicity of (22R,23R)-22,23-dihydroxystigmastane derivatives to cultured cancer cells. Steroids 2010; 75:287-94. [PMID: 20096295 DOI: 10.1016/j.steroids.2010.01.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2009] [Revised: 01/07/2010] [Accepted: 01/11/2010] [Indexed: 11/30/2022]
Abstract
Toxicity of eight 22,23-dihydroxystigmastane derivatives (four pairs of (22R,23R)- and (22S,23S)-isomers differing in steroid backbone structure) to human breast carcinoma MCF-7 cells was compared. For every pair of structurally related compounds, (22R,23R) isomer was found to be significantly more toxic than (22S,23S) isomer. Computational analysis showed that side chain of (22R,23R)-22,23-dihydroxystigmastane derivatives is rigid, whereas that of (22S,23S)-isomers is rather flexible. Structure of steroid backbone significantly affects cytotoxicity of (22R,23R)-22,23-dihydroxystigmastane derivatives to human breast carcinoma MCF-7 cells, human ovary carcinoma CaOv cells, and human prostate carcinoma LnCaP cells. (22R,23R)-3beta,22,23-trihydroxystigmast-5-ene and (22R,23R)-3beta,22,23-trihydroxystigmast-5-en-7-one, both comprising equatorial 3beta-hydroxyl group, exhibited the highest cytotoxicity, while the most polar 28-homobrassinolide and 28-homocastasterone, both comprising 2alpha,3alpha-dihydroxy groups, exhibited the lowest toxicity. Binding of (22R,23R)-22,23-dihydroxystigmastane derivatives to plasmatic membrane was suggested to be important for cytotoxicity.
Collapse
|
24
|
Yang JL, Wang R, Liu LL, Shi YP. Phytochemicals and biological activities of Saussurea species. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2010; 12:162-175. [PMID: 20390761 DOI: 10.1080/10286020903496455] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The genus Saussurea has been studied from phytochemical and pharmacological viewpoints for years, which resulted in the discovery of hundreds of secondary metabolites with various kinds of bioactivities. This review summarizes the research progress of the genus of Saussurea in the phytochemical and pharmacological viewpoints, which covered the period of 1990-June 2009.
Collapse
Affiliation(s)
- Jun-Li Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China
| | | | | | | |
Collapse
|
25
|
Liu CM, Wang HX, Wei SL, Gao K. Oleanane-type triterpenes from the flowers and roots of Saussurea muliensis. JOURNAL OF NATURAL PRODUCTS 2008; 71:789-792. [PMID: 18419156 DOI: 10.1021/np070618n] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Six new oleanane-type triterpenes (1- 6), along with five known compounds, were isolated from the flowers and roots of Saussurea muliensis. On the basis of spectroscopic methods, with special emphasis on 1D and 2D NMR techniques, the structures of the new compounds were characterized as 3beta,22alpha-dihydroxyolean-12-en-30-oic acid (1), 3alpha-(E)-caffeoyloxyolean-12-en-30-oic acid (2), 3alpha-(E)-coumaroyloxyolean-12-en-30-oic acid (3), 3alpha,22alpha-diacetoxy-20beta,21alpha,29-trihydroxy-30-norolean-12-ene (4), 3alpha,22alpha-diacetoxy-21alpha,29-dihydroxy-20beta-methoxy-30-norolean-12-ene (5), and 3alpha,22alpha-diacetoxy-20beta,21alpha-dihydroxy-29-palmityloxy-30-norolean-12-ene (6). The isolated compounds (1- 6) were not active against Staphylococcus aureus, Escherichia coli, Bacillus cereus, and Candida albicans.
Collapse
Affiliation(s)
- Chun-Mei Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, PR China
| | | | | | | |
Collapse
|