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Wang P, Yang XM, Hu ZX, Li YN, Yang J, Hao XJ, Yuan CM, Yi P. UPLC-Q-Orbitrap-MS/MS-Guided Isolation of Bioactive Withanolides from the Fruits of Physalis angulata. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:16581-16592. [PMID: 37897427 DOI: 10.1021/acs.jafc.3c04311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/30/2023]
Abstract
Physalis angulata Linn. is an exotic Amazonian fruit that is commonly recognized as wild tomato, winter cherry, and gooseberry. While its fruit is known to contain many nutrients, such as minerals, fibers, and vitamins, few papers have investigated withanolide derivatives from its fruits. UPLC-Q-Orbitrap-MS/MS, which produces fragmentation spectra, was applied for the first time to guide the isolation of bioactive withanolide derivatives from P. angulata fruits. As a result, twenty-six withanolide derivatives, including two novel 1,10-secowithanolides (1 and 2) and a new derivative (3), were obtained. Compounds 1 and 2 are rare rearranged 1,10-secowithanolides with a tetracyclic 7/6/6/5 ring system. All structures were assigned through various spectroscopic data and quantum chemical calculations. Nine withanolide derivatives exhibited significant inhibitory effects on three tumor cell lines with IC50 values of 0.51-13.79 μM. Moreover, three new compounds (1-3) exhibited potential nitric oxide inhibitory effects in lipopolysaccharide-stimulated RAW264.7 cells (IC50: 7.51-61.8 μM). This investigation indicated that fruits of P. angulata could be applied to treat and prevent cancer and inflammatory-related diseases due to their potent active withanolide derivatives.
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Affiliation(s)
- Peng Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Xiao-Meng Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Zhan-Xing Hu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Ya-Nan Li
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Jue Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Xiao-Jiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People's Republic of China
| | - Chun-Mao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
| | - Ping Yi
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, People's Republic of China
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, People's Republic of China
- Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China
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Meira CS, Soares JWC, Dos Reis BPZC, Pacheco LV, Santos IP, Silva DKC, de Lacerda JC, Daltro SRT, Guimarães ET, Soares MBP. Therapeutic Applications of Physalins: Powerful Natural Weapons. Front Pharmacol 2022; 13:864714. [PMID: 35450054 PMCID: PMC9016203 DOI: 10.3389/fphar.2022.864714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/18/2022] [Indexed: 11/28/2022] Open
Abstract
Physalins, or 16,24-cyclo-13,14-seco steroids, are compounds belonging to the class of withanolides that can be found in plants of Solanaceae family, mainly in species belonging to the genus Physalis spp., which are annual herbaceous plants widely distributed in tropical and subtropical regions of the world. Physalins are versatile molecules that act in several cell signaling pathways and activate different mechanisms of cell death or immunomodulation. A number of studies have shown a variety of actions of these compounds, including anticancer, anti-inflammatory, antiparasitic, antimicrobial, antinociceptive, and antiviral activities. Here we reviewed the main findings related to the anticancer, immunomodulatory, and antiparasitic activities of physalins and its mechanisms of action, highlighting the \challenges and future directions in the pharmacological application of physalins.
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Affiliation(s)
- Cássio Santana Meira
- SENAI Institute of Innovation in Health Advanced Systems (CIMATEC ISI SAS), University Center SENAI/CIMATEC, Salvador, Brazil.,Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil.,Department of Life Sciences, State University of Bahia (UNEB), Salvador, Brazil
| | | | | | | | | | | | - Julia Costa de Lacerda
- Bahiana School of Medicine and Public Health, Bahiana Foundation for the Development of Sciences, Salvador, Brazil
| | | | - Elisalva Teixeira Guimarães
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil.,Department of Life Sciences, State University of Bahia (UNEB), Salvador, Brazil
| | - Milena Botelho Pereira Soares
- SENAI Institute of Innovation in Health Advanced Systems (CIMATEC ISI SAS), University Center SENAI/CIMATEC, Salvador, Brazil.,Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil
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Yang J, Sun Y, Cao F, Yang B, Kuang H. Natural Products from Physalis alkekengi L. var. franchetii (Mast.) Makino: A Review on Their Structural Analysis, Quality Control, Pharmacology, and Pharmacokinetics. Molecules 2022; 27:molecules27030695. [PMID: 35163960 PMCID: PMC8840080 DOI: 10.3390/molecules27030695] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 12/21/2022] Open
Abstract
The calyxes and fruits of Physalis alkekengi L. var. franchetii (Mast.) Makino (P. alkekengi), a medicinal and edible plant, are frequently used as heat-clearing and detoxifying agents in thousands of Chinese medicine prescriptions. For thousands of years in China, they have been widely used in clinical practice to treat throat disease, hepatitis, and bacillary dysentery. This systematic review summarizes their structural analysis, quality control, pharmacology, and pharmacokinetics. Furthermore, the possible development trends and perspectives for future research studies on this medicinal plant are discussed. Relevant information on the calyxes and fruits of P. alkekengi was collected from electronic databases, Chinese herbal classics, and Chinese Pharmacopoeia. Moreover, information was collected from ancient documents in China. The components isolated and identified in P. alkekengi include steroids, flavonoids, phenylpropanoids, alkaloids, nucleosides, terpenoids, megastigmane, aliphatic derivatives, organic acids, coumarins, and sucrose esters. Steroids, particularly physalins and flavonoids, are the major characteristic and bioactive ingredients in P. alkekengi. According to the literature, physalins are synthesized by the mevalonate and 2-C-methyl-d-erythritol-4-phosphate pathways, and flavonoids are synthesized by the phenylpropanoid pathway. Since the chemical components and pharmacological effects of P. alkekengi are complex and varied, there are different standards for the evaluation of its quality and efficacy. In most cases, the analysis was performed using high-performance liquid chromatography coupled with ultraviolet detection. A pharmacological study showed that the crude extracts and isolated compounds from P. alkekengi had extensive in vitro and in vivo biological activities (e.g., anti-inflammatory, anti-tumor, immunosuppressive, antibacterial, anti-leishmanial, anti-asthmatic, anti-diabetic, anti-oxidative, anti-malarial, anti-Alzheimer's disease, and vasodilatory). Moreover, the relevant anti-inflammatory and anti-tumor mechanisms were elucidated. The reported activities indicate the great pharmacological potential of P. alkekengi. Similarly, studies on the pharmacokinetics of specific compounds will also contribute to the progress of clinical research in this setting.
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Affiliation(s)
- Jing Yang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (J.Y.); (Y.S.); (B.Y.)
| | - Yanping Sun
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (J.Y.); (Y.S.); (B.Y.)
| | - Feng Cao
- Ganjiang Chinese Medicine Innovation Center, Nanchang 330000, China;
| | - Bingyou Yang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (J.Y.); (Y.S.); (B.Y.)
| | - Haixue Kuang
- Key Laboratory of Basic and Application Research of Beiyao, Ministry of Education, Heilongjiang University of Chinese Medicine, Harbin 150040, China; (J.Y.); (Y.S.); (B.Y.)
- Correspondence: ; Tel.: +86-0451-82197188
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The Cape Gooseberry Constituent Physalin B Ameliorates Nonalcoholic Steatohepatitis and Attenuates Liver Fibrosis. LIVERS 2021. [DOI: 10.3390/livers1020009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Physalin B belongs to a family of Physalins that can be isolated from the genus Physalis (Solanaceae). In traditional Chinese Medicine, Physalis angulata L. is frequently used to treat a variety of illnesses such as dermatitis, trachitis, rheumatism, and hepatitis. Physalin B promotes cellular apoptosis and has antitumor, antimalarial, and antimycobacterial activities. Two recent studies evaluated the therapeutic activities of Physalin B in pre-clinical hepatic disease models. In this comment, a brief summary of the most important findings of these two studies is given and discussed.
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Mirzaei HH, Firuzi O, Baldwin IT, Jassbi AR. Cytotoxic Activities of Different Iranian Solanaceae and Lamiaceae Plants and Bioassay-Guided Study of an Active Extract from Salvia lachnocalyx. Nat Prod Commun 2017. [DOI: 10.1177/1934578x1701201009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Methanol (MeOH), dichloromethane (DCM) and 80% MeOH extractions of fourteen medicinal plants of the families Solanaceae and Lamiaceae collected from different area of Iran were tested for their cytotoxic potential against MOLT-4 human cancer cell lines. Cytotoxicity of the tested plants indicated that 11 plants had one or two active extracts (IC50 ≤50): MeOH extracts of the shoots of Thymus trautvetteri, Solanum luteum and stems of Lycium shawii; DCM extracts of the shoots of Thymus kotschyanus, Salvia persepolitana, Ballota aucheri, Nepeta glomerulosa, Hyoscyamus tenuicaulis, Salvia lachnocalyx, Salvia sharifii as well as the stems of Salvia verticillata and the roots of Salvia multicaulis and S. lachnocalyx; 80% MeOH extracts of the shoots of T. trautvetteri, S. luteum and the stems of L. shawii. The DCM extract of the aerial parts of S. lachnocalyx as one of the most active species was subjected to the cytotoxic bioassay-guided fractionation and purification using combination of chromatography methods. The bioassay-guided fractionation of DCM extract of the shoots of S. lachnocalyx led to the isolation of two cytotoxic compounds: (2 Z,6 Z,10 Z,14 E)-geranylfarnesol (1), a novel natural product, and spathulenol (2). Both of the isolated compounds, especially 1 (IC50 range: 9.6 −20.2 μg/mL), showed good cytotoxic effects against 3 human cancer cell lines, MOLT-4, MCF-7 and HT-29.
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Affiliation(s)
- Hossein H. Mirzaei
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, P.O. Box: 71345-3388, Shiraz, Iran
| | - Omidreza Firuzi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, P.O. Box: 71345-3388, Shiraz, Iran
| | - Ian T. Baldwin
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Hans-Knöll-Strasse 8, D-07745 Jena, Germany
| | - Amir Reza Jassbi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, P.O. Box: 71345-3388, Shiraz, Iran
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Zheng Y, Chen J, Liu L, Liang X, Hong D. In vivo pharmacokinetics of and tissue distribution study of physalin B after intravenous administration in rats by liquid chromatography with tandem mass spectrometry. Biomed Chromatogr 2016; 30:1278-84. [PMID: 26714262 DOI: 10.1002/bmc.3678] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Revised: 11/27/2015] [Accepted: 12/21/2015] [Indexed: 11/12/2022]
Abstract
A rapid and sensitive liquid chromatography tandem mass spectrometry quantitative analysis method was established for the pharmacokinetics and tissue distribution study of physalin B in rat. Physalin B and physalin H (internal standard, IS) were separated on an Agilent Eclips XDB C8 column. MS detection was performed on a triple quadrupole tandem mass spectrometer in the multiple reaction monitoring mode with a positive eletrospray ionization source. The assay was validated in the concentration ranges of 22.6-22600 ng/mL for heart and lung and 4.52-4520 ng/mL for other tissues. The intra- and inter-day precisions (RSD) were ≤9.23 and ≤12.51%, respectively, with accuracy (%) in the range of 88.07-113.2%. A pharmacokinetic study showed that physalin B has a long dwell time with a half-life of 321.2 ± 29.5 min and clearance of 175.4 ± 25.7 mL/min/kg after intravenous administration. Additionally, physalin B showed a wide tissue distribution with a special higher penetration in lung. The data presented in this study could provide useful information for the further study of physalin B. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Yunliang Zheng
- Research Center for Clinical Pharmacy, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, People's Republic of China
| | - Jing Chen
- Department of Pharmacy, The First Affiliated Hospital, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, People's Republic of China
| | - Lin Liu
- Department of Pharmacy, The First Affiliated Hospital, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, People's Republic of China
| | - Xingguang Liang
- Department of Pharmacy, The First Affiliated Hospital, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, People's Republic of China
| | - Dongsheng Hong
- Department of Pharmacy, The First Affiliated Hospital, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, People's Republic of China
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Wu SY, Leu YL, Chang YL, Wu TS, Kuo PC, Liao YR, Teng CM, Pan SL. Physalin F induces cell apoptosis in human renal carcinoma cells by targeting NF-kappaB and generating reactive oxygen species. PLoS One 2012; 7:e40727. [PMID: 22815798 PMCID: PMC3398016 DOI: 10.1371/journal.pone.0040727] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Accepted: 06/13/2012] [Indexed: 12/12/2022] Open
Abstract
Background The aim of this study was to determine the molecular mechanisms of physalin F, an effective purified extract of Physalis angulata L. (Solanacae), in renal carcinoma A498 cells. Methodology/Principal Findings Physalin F was observed to significantly induce cytotoxicity of three human renal carcinoma A498, ACHN, and UO-31 cells in a concentration-dependent manner; this was especially potent in A498 cells. The physalin F-induced cell apoptosis of A498 cells was characterized by MTT assay, nuclear DNA fragmentation and chromatin condensation. Using flow cytometry analysis, physalin F induced A498 cell apoptosis as demonstrated by the accumulation of the sub-G1 phase in a concentration- and time-dependent manner. Moreover, physalin F-mediated accumulation of reactive oxygen species (ROS) caused Bcl-2 family proteins, Bcl-2, and Bcl-xL degradation, which led to disruption of mitochondrial membrane potential and release of cytochrome c from the mitochondria into the cytosol. These effects were associated with induction of caspase-3 and caspase-9 activity, which led to poly(ADP-ribose) polymerase cleavage. However, the antioxidant N-acetyl-L-cysteine (NAC) and glutathione (GSH) resulted in the inhibition of these events and reversed physalin F-induced cell apoptosis. In addition, physalin F suppressed NF-κB activity and nuclear translocation of p65 and p50, which was reversed by NAC and GSH. Conclusion Physalin F induced cell apoptosis through the ROS-mediated mitochondrial pathway and suppressed NF-κB activation in human renal cancer A498 cells. Thus, physalin F appears to be a promising anti-cancer agent worthy of further clinical development.
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Affiliation(s)
- Szu-Ying Wu
- Department of Pharmacology, National Taiwan University, Taipei, Taiwan
| | - Yann-Lii Leu
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ya-Ling Chang
- Department of Pharmacology, National Taiwan University, Taipei, Taiwan
| | - Tian-Shung Wu
- Department of Chemistry, National Cheng Kung University, Taina, Taiwan
- Department of Pharmacy and Chinese Medicine Research and Development Center, China Medical University, Taichung, Taiwan
- Department of Pharmacy, China Medical University, Taichung, Taiwan
| | - Ping-Chung Kuo
- Department of Chemistry, National Cheng Kung University, Taina, Taiwan
| | - Yu-Ren Liao
- Department of Chemistry, National Cheng Kung University, Taina, Taiwan
| | - Che-Ming Teng
- Department of Pharmacology, National Taiwan University, Taipei, Taiwan
- * E-mail: (C-MT); (S-LP)
| | - Shiow-Lin Pan
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli County, Taiwan
- * E-mail: (C-MT); (S-LP)
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Han H, Qiu L, Wang X, Qiu F, Wong Y, Yao X. Physalins A and B inhibit androgen-independent prostate cancer cell growth through activation of cell apoptosis and downregulation of androgen receptor expression. Biol Pharm Bull 2012; 34:1584-8. [PMID: 21963499 DOI: 10.1248/bpb.34.1584] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Androgen deprivation therapy is a common treatment strategy for advanced prostate cancer. Though effective initially, the tumor often progresses to androgen independent stage in most patients eventually after a period of remission. One of the key factors of development of resistance is reflected in expression of androgen receptor (AR). In this study, we showed that two natural compounds, physalins A and B, both secosteriods from Physalisalkekengi var. franchetii, significantly inhibited the growth of two androgen-independent cell lines CWR22Rv1 and C42B, induced apoptosis via c-Jun N-terminal kinase (JNK) and/or extracellular signal-regulated kinase (ERK) activation, and decreased AR expression. In addition, physalins A and B down-regulated the expression of prostate specific antigen (PSA) in C42B cells which is a target gene of AR. Our results suggest that physalin A and B might be useful agents in preventing the growth of androgen-independent prostate cancer (AI-PCa).
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Affiliation(s)
- Huiying Han
- Extracellular Matrix Pathology Section, Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892–4605, USA
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Misico RI, Nicotra VE, Oberti JC, Barboza G, Gil RR, Burton G. Withanolides and related steroids. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2011; 94:127-229. [PMID: 21833839 DOI: 10.1007/978-3-7091-0748-5_3] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Rosana I Misico
- Departamento de Química Orgánica and UMYMFOR (CONICET-UBA), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, Buenos Aires, C1428EGA, Argentina.
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Magalhães HIF, Veras ML, Torres MR, Alves APNN, Pessoa ODL, Silveira ER, Costa-Lotufo LV, de Moraes MO, Pessoa C. In-vitro and in-vivo antitumour activity of physalins B and D from Physalis angulata. J Pharm Pharmacol 2010; 58:235-41. [PMID: 16451752 DOI: 10.1211/jpp.58.2.0011] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Abstract
We have evaluated the in-vitro and in-vivo antitumour activity of physalin B and physalin D isolated from the aerial parts of Physalis angulata. In-vitro, both compounds displayed considerable cytotoxicity against several cancer cell lines, showing IC50 values in the range of 0.58 to 15.18 μg mL−1 for physalin B, and 0.28 to 2.43 μg mL−1 for physalin D. The antitumour activity of both compounds was confirmed in-vivo using mice bearing sarcoma 180 tumour cells. The in-vivo antitumour activity was related to the inhibition of tumour proliferation, as observed by the reduction of Ki67 staining in tumours of treated animals. Histopathological examination of the kidney and liver showed that both organs were affected by physalin treatment, but in a reversible manner. These compounds were probably responsible for the previously described antitumour activity of ethanol extracts of P. angulata, and their identification and characterization presented here could explain the ethnopharmacological use of this species in the treatment of cancer.
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Affiliation(s)
- Hemerson Iury Ferreira Magalhães
- Departamento de Fisiologia e Farmacologia, Faculdade de Medicina, Universidade Federal do Ceará, Fortaleza, CP 3157, Ceará 60430-270, Brazil
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Physalin B, a novel inhibitor of the ubiquitin-proteasome pathway, triggers NOXA-associated apoptosis. Biochem Pharmacol 2008; 76:453-62. [DOI: 10.1016/j.bcp.2008.05.031] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2008] [Revised: 05/16/2008] [Accepted: 05/20/2008] [Indexed: 11/17/2022]
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Balunas MJ, Jones WP, Chin YW, Mi Q, Farnsworth NR, Soejarto DD, Cordell GA, Swanson SM, Pezzuto JM, Chai HB, Kinghorn AD. Relationships between inhibitory activity against a cancer cell line panel, profiles of plants collected, and compound classes isolated in an anticancer drug discovery project. Chem Biodivers 2007; 3:897-915. [PMID: 17193321 DOI: 10.1002/cbdv.200690092] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
In an attempt to determine the relationships between the plant profiles (country of collection, taxonomy, plant part) and the compound classes isolated with cytotoxic activity against a panel of human tumor cell lines, the data compiled from a 15-year anticancer drug-discovery project were subjected to an analysis of variance (ANOVA). The results indicate significant trends in cytotoxic activity relative to collection location, taxonomy, plant part, and compound classes isolated. Plant collections were made in tropical forests in six countries, with collections from Ecuador resulting in higher activity than those from Indonesia and Peru. Interestingly, collections from Florida were not statistically different than those from the countries with higher biodiversity. One hundred and forty-five families were represented in the collections, with the Clusiaceae, Elaeocarpaceae, Meliaceae, and Rubiaceae having low ED50 (half maximal effective dose) values. Especially active genera included Aglaia, Casearia, Exostema, Mallotus, and Trichosanthes. Roots and below-ground plant materials were significantly more active than above-ground materials. Cucurbitacins, flavaglines, anthraquinones, fatty acids, tropane alkaloids, lignans, and sesquiterpenoids were significantly more active than xanthones and oligorhamnosides. The results from this study should serve as a guide for future plant collection endeavors for anticancer drug discovery.
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Affiliation(s)
- Marcy J Balunas
- Program for Collaborative Research in the Pharmaceutical Sciences and Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, 833 South Wood Street (M/C 781), Chicago, IL 60612, USA
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Jacobo-Herrera NJ, Bremner P, Marquez N, Gupta MP, Gibbons S, Muñoz E, Heinrich M. Physalins from Witheringia solanacea as modulators of the NF-kappaB cascade. JOURNAL OF NATURAL PRODUCTS 2006; 69:328-31. [PMID: 16562828 DOI: 10.1021/np050225t] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Crude extracts of Witheringia solanacea leaves showed inhibition of NF-kappaB activation at 100 microg/mL induced by phorbol 12-myristate-13-acetate (PMA) in HeLa cells stably transfected with a luciferase reporter gene controlled by the IL-6 promoter. Three physalins were isolated from an active fraction, namely, physalins B (1), F (2), and D (3). Of these compounds, 1 and 2 demonstrated inhibitory activities on PMA-induced NF-kappaB activation at 16 and 8 microM and induced apoptosis after 24 h in a cell-cycle analysis using a human T cell leukemia Jurkat cell line. Compound 2 also inhibited TNF-alpha-induced NF-kappaB activation at 5 microM through the canonical pathway, but was inactive in the Tet-On-Luc assay, indicating specificity of action, although it interfered with Tet-On-Luc at higher concentrations. It is suggested that the presence of a double bond and an epoxy ring between carbons 5 and 6 in compounds 1 and 2, respectively (which are not present in compound 3), are related to their anti-inflammatory activity.
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Affiliation(s)
- Nadia J Jacobo-Herrera
- Centre for Pharmacognosy and Phytotherapy, The School of Pharmacy, University of London, UK
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