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Kriplani P, Guarve K. Recent Patents on Anti-Cancer Potential of Helenalin. Recent Pat Anticancer Drug Discov 2021; 15:132-142. [PMID: 32614752 DOI: 10.2174/1574892815666200702142601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 05/08/2020] [Accepted: 05/15/2020] [Indexed: 12/21/2022]
Abstract
BACKGROUND Arnica montana, containing helenalin as its principal active constituent, is the most widely used plant to treat various ailments. Recent studies indicate that Arnica and helenalin provide significant health benefits, including anti-inflammatory, neuroprotective, antioxidant, cholesterol-lowering, immunomodulatory, and most important, anti-cancer properties. OBJECTIVE The objective of the present study is to overview the recent patents of Arnica and its principal constituent helenalin, including new methods of isolation, and their use in the prevention of cancer and other ailments. METHODS Current prose and patents emphasizing the anti-cancer potential of helenalin and Arnica, incorporated as anti-inflammary agents in anti-cancer preparations, have been identified and reviewed with particular emphasis on their scientific impact and novelty. RESULTS Helenalin has shown its anti-cancer potential to treat multiple types of tumors, both in vitro and in vivo. It has also portrayed synergistic effects when given in combination with other anti- cancer drugs or natural compounds. New purification/isolation techniques are also developing with novel helenalin formulations and its synthetic derivatives have been developed to increase its solubility and bioavailability. CONCLUSION The promising anti-cancer potential of helenalin in various preclinical studies may open new avenues for therapeutic interventions in different tumors. Thus clinical trials validating its tumor suppressing and chemopreventive activities, particularly in conjunction with standard therapies, are immediately required.
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Affiliation(s)
- Priyanka Kriplani
- Department of Pharmaceutical Sciences, Guru Gobind Singh College of Pharmacy, Yamuna Nagar 135001, Haryana, India
| | - Kumar Guarve
- Department of Pharmaceutical Sciences, Guru Gobind Singh College of Pharmacy, Yamuna Nagar 135001, Haryana, India
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Qu W, Yang Q, Wang G, Wang Z, Huang P, Huang W, Zhang R, Yan D. Amphiphilic irinotecan–melampomagnolide B conjugate nanoparticles for cancer chemotherapy. RSC Adv 2020; 10:8958-8966. [PMID: 35496516 PMCID: PMC9050120 DOI: 10.1039/d0ra00912a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 02/17/2020] [Indexed: 12/24/2022] Open
Abstract
Melampomagnolide B (MMB) is a natural sesquiterpene lactone product structurally related to parthenolide (PTL). Although MMB has been widely used to treat various types of cancers, such as glioma, leukemia and colon cancer, the effective delivery of MMB to cancer cells remains a challenge. An amphiphilic drug–drug conjugate (ADDC) strategy has been proposed and developed as a promising drug self-delivery system for cancer therapy because of its simple preparation, carrier-free nature, and high therapeutic activity. Herein, we present a new ADDC, which is synthesized by linking the hydrophilic anticancer drug irinotecan (Ir) and the hydrophobic anticancer drug MMB through a carbonate bond. The obtained amphiphilic irinotecan–melampomagnolide B conjugate (Ir–C–MMB) can self-assemble in water into stable nanoparticles with an average diameter of around 122.1 nm. After cellular uptake, the carbonate bond between the hydrophilic drug and hydrophobic drug can be cleaved to release free Ir and MMB under acidic conditions, which exhibit a synergistic effect in tumor cells. MTT results reveal that the Ir–C–MMB nanoparticles can effectively inhibit proliferation of cancer cells. The apoptosis data indicate that the apoptosis rate of cells treated with Ir–C–MMB nanoparticles is about 50% within 24 h, which is much higher than that of free Ir or MMB. Our results suggest that this ADDC strategy could be used as a drug delivery platform for MMB and its derivatives, and that it offers effective synergistic therapeutic efficacy. Ir–C–MMB nanoparticles can be easily fabricated using an ADDC strategy, and used as a MMB drug self-delivery platform for synergistic cancer therapy.![]()
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Affiliation(s)
- Wenhao Qu
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Quanjun Yang
- Department of Pharmacy
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital
- Shanghai 200233
- China
| | - Guanchun Wang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Zhaohong Wang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Ping Huang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Wei Huang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Rong Zhang
- Department of Obstetrics and Gynecology
- Fengxian Hospital
- Southern Medical University
- Shanghai 201499
- China
| | - Deyue Yan
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- Shanghai 200240
- China
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Janganati V, Ponder J, Thakkar S, Jordan CT, Crooks PA. Succinamide derivatives of melampomagnolide B and their anti-cancer activities. Bioorg Med Chem 2017; 25:3694-3705. [PMID: 28545815 PMCID: PMC5531864 DOI: 10.1016/j.bmc.2017.05.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/01/2017] [Accepted: 05/04/2017] [Indexed: 12/21/2022]
Abstract
A series of succinamide derivatives of melampomagnolide B have been synthesized by coupling MMB monosuccinate (2) with various heterocyclic amines to afford compounds 3a-3l. MMB monosuccinate was also reacted with terminal diaminoalkanes to afford dimeric succinamido analogs of MMB (4a-4h). These succinamide analogs of MMB were evaluated for their anti-cancer activity against a panel of sixty human cancer cell lines. Analogs 3d-3i and dimers 4f-4g exhibited promising anti-cancer activity with GI50 values ranging from 0.28 to 33.5µM against most of the cell lines in the panel. The dimeric analogs 4f and 4g were identified as lead compounds with GI50 values in the nanomolar range (GI50=280-980nM) against several cell lines in the panel; i.e. leukemia cell lines CCRF-CEM, HL-60(TB), K-562, MOLT-4, RPMI-8226 and SR; and solid tumor cell lines NCI-H522 (non-small cell lung cancer), SW-620 and HCT-116 (colon cancer), LOX IMVI (melanoma), RXF 393 (renal cancer), and MCF7, BT-549 and MDA-MB-468 (breast cancer). Succinamide analogs 3a, 3c-3l and 4b-4h were also evaluated for their apoptotic activity against M9-ENL1 acute myelogenous leukemia cells; compounds 3h-3j and 4g were equipotent with parthenolide, exhibiting LC50 values in the range 4.1-8.1μM. Molecular docking studies indicate that these molecules interact covalently with the highly conserved Cys-46 residue of the N-terminal lobe (1-109) of human IKKβ to inhibit the NFκB transcription factor complex, resulting in down-regulation of anti-apoptotic genes under NFκB control.
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Affiliation(s)
- Venumadhav Janganati
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Jessica Ponder
- Department of Toxicology, University of Colorado, Aurora, CO 80045, USA
| | - Shraddha Thakkar
- National Center for Toxicological Research, Jefferson, AR 72079, USA
| | - Craig T Jordan
- Division of Hematology, University of Colorado, Aurora, CO 80045, USA
| | - Peter A Crooks
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.
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Abood S, Eichelbaum S, Mustafi S, Veisaga ML, López LA, Barbieri M. Biomedical Properties and Origins of Sesquiterpene Lactones, with a Focus on Dehydroleucodine. Nat Prod Commun 2017. [DOI: 10.1177/1934578x1701200638] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Dehydroleucodine, a sesquiterpene lactone, belongs to the terpenoid class of secondary metabolites. Dehydroleucodine and other Artemisia-derived phytochemicals evolved numerous biodefenses that were first co-opted for human pharmacological use by traditional cultures in the Middle East, Asia, Europe and the Americas. Later, these phytochemicals were modified through the use of medicinal chemical techniques to increase their potency. All sesquiterpene lactones contain an α-methylene-γ-lactone group, which confers thiol reactivity, which is responsible, in part, for their therapeutic effects. A wide range of therapeutic uses of sequiterpene lactones has been found, including anti-adipogenic, cytoprotective, anti-microbial, anti-viral, anti-fungal, anti-malarial and, anti-migraine effects. Dehydroleucodine significantly inhibits differentiation of murine preadipocytes and also significantly decreases the accumulation of lipid content by a dramatic down regulation of adipogenic-specific transcriptional factors PPARγ and C-EBPα. Dehydroleucodine also inhibits secretion of matrix metalloprotease-2 (MMP-2), which is a known protease involved in migration and invasion of B16 cells. In addition to these anti-adipogenic and anti-cancer effects, dehydroleucodine effectively neutralizes several bacterial species, including Bacillus cereus, Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Helicobacter pylori, methicillin resistant Staphylococcus aueus (MRSA) and S. epidermis (MRSE). The compound also inhibits the growth and secretion of several toxins of Pseudomonas aeruginosa, possesses gastro-protective qualities and possesses anti-parasitic properties against Trypanosoma cruzi, responsible for Chagas disease. Other sesquiterpene lactones, such as parthenolide, costunolide, and helanin, also possess significant therapeutic utility.
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Affiliation(s)
- Steven Abood
- Department of Biological Sciences; Florida International University, Miami, FL 33199, USA
| | - Steven Eichelbaum
- Department of Biological Sciences; Florida International University, Miami, FL 33199, USA
| | - Sushmita Mustafi
- Department of Biological Sciences; Florida International University, Miami, FL 33199, USA
| | - Maria-Luisa Veisaga
- Biomolecular Sciences Institute; Florida International University, Miami, FL 33199, USA
| | - Luis A. López
- Laboratory of Cytoskeleton and Cell Cycle, Institute of Histology and Embryology, Faculty of Medicine, National University of Cuyo, 5500 Mendoza, Argentina
| | - Manuel Barbieri
- Department of Biological Sciences; Florida International University, Miami, FL 33199, USA
- Biomolecular Sciences Institute; Florida International University, Miami, FL 33199, USA
- Fairchild Tropical Botanic Garden, 10901 Old Cutler Road, Coral Gables, FL 33156, USA
- International Center of Tropical Botany, Florida International University, Miami, FL 33199, USA
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Shao FY, Wang S, Li HY, Chen WB, Wang GC, Ma DL, Wong NS, Xiao H, Liu QY, Zhou GX, Li YL, Li MM, Wang YF, Liu Z. EM23, a natural sesquiterpene lactone, targets thioredoxin reductase to activate JNK and cell death pathways in human cervical cancer cells. Oncotarget 2017; 7:6790-808. [PMID: 26758418 PMCID: PMC4872749 DOI: 10.18632/oncotarget.6828] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 12/26/2015] [Indexed: 12/26/2022] Open
Abstract
Sesquiterpene lactones (SLs) are the active constituents of a variety of medicinal plants and found to have potential anticancer activities. However, the intracellular molecular targets of SLs and the underlying molecular mechanisms have not been well elucidated. In this study, we observed that EM23, a natural SL, exhibited anti-cancer activity in human cervical cancer cell lines by inducing apoptosis as indicated by caspase 3 activation, XIAP downregulation and mitochondrial dysfunction. Mechanistic studies indicated that EM23-induced apoptosis was mediated by reactive oxygen species (ROS) and the knockdown of thioredoxin (Trx) or thioredoxin reductase (TrxR) resulted in a reduction in apoptosis. EM23 attenuated TrxR activity by alkylation of C-terminal redox-active site Sec498 of TrxR and inhibited the expression levels of Trx/TrxR to facilitate ROS accumulation. Furthermore, inhibition of Trx/TrxR system resulted in the dissociation of ASK1 from Trx and the downstream activation of JNK. Pretreatment with ASK1/JNK inhibitors partially rescued cells from EM23-induced apoptosis. Additionally, EM23 inhibited Akt/mTOR pathway and induced autophagy, which was observed to be proapoptotic and mediated by ROS. Together, these results reveal a potential molecular mechanism for the apoptotic induction observed with SL compound EM23, and emphasize its putative role as a therapeutic agent for human cervical cancer.
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Affiliation(s)
- Fang-Yuan Shao
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China.,Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Sheng Wang
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China
| | - Hong-Yu Li
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Wen-Bo Chen
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China
| | - Guo-Cai Wang
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Dong-Lei Ma
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China
| | - Nai Sum Wong
- Department of Biochemistry, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Hao Xiao
- University of The Chinese Academy of Sciences, Beijing, China
| | - Qiu-Ying Liu
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China
| | | | - Yao-Lan Li
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Man-Mei Li
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Yi-Fei Wang
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China
| | - Zhong Liu
- Guangzhou Jinan Biomedicine Research and Development Center, Guangdong Provincial Key Laboratory of Bioengineering Medicine, National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou, China
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Bismoussa A, Ait Itto MY, Daran JC, Auhmani A, Auhmani A. Crystal structure of (1R,3S,8R,11R)-11-acetyl-3,7,7-trimethyl-10-oxatri-cyclo-[6.4.0.0(1,3)]dodecan-9-one. Acta Crystallogr E Crystallogr Commun 2015; 71:o1013-4. [PMID: 26870471 PMCID: PMC4719952 DOI: 10.1107/s2056989015022847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 11/29/2015] [Indexed: 11/10/2022]
Abstract
The title compound, C16H24O3, is built up from three fused rings, a six-membered, a seven-membered and a three-membered ring. The absolute configuration of the title compound was determined as (1R,3S,8R,11R) based on the synthetic pathway. The six-membered ring has an half-chair conformation whereas the seven-membered ring displays a boat conformation. In the cyrstal, C-H⋯O hydrogen bonds build up a two-dimensional network parallel to (0 0 1). The crystal studied was an inversion twin with a minor twin component of 34%.
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Affiliation(s)
- Abdoullah Bismoussa
- Laboratoire de Physico-Chimie Moléculaire et Synthèse Organique, Département de Chimie Faculté des Sciences Semlalia BP, 2390 Marrakech 40001, Morocco
| | - My Youssef Ait Itto
- Laboratoire de Physico-Chimie Moléculaire et Synthèse Organique, Département de Chimie Faculté des Sciences Semlalia BP, 2390 Marrakech 40001, Morocco
| | - Jean-Claude Daran
- Laboratoire de Chimie de Coordination, 205 route de Narbonne, 31077 Toulouse, Cedex 04, France
| | - Abdelwahed Auhmani
- Laboratoire de Physico-Chimie Moléculaire et Synthèse Organique, Département de Chimie Faculté des Sciences Semlalia BP, 2390 Marrakech 40001, Morocco
| | - Aziz Auhmani
- Laboratoire de Physico-Chimie Moléculaire et Synthèse Organique, Département de Chimie Faculté des Sciences Semlalia BP, 2390 Marrakech 40001, Morocco
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Chen CH, Yang LM, Lee TT, Shen YC, Zhang DC, Pan DJ, McPhail AT, McPhail DR, Liu SY, Li DH. Antitumor agents--CLI. Bis(helenalinyl)glutarate and bis(isoalantodiol-B)glutarate, potent inhibitors of human DNA topoisomerase II. Bioorg Med Chem 1994; 2:137-45. [PMID: 7922123 DOI: 10.1016/s0968-0896(00)82008-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Evaluation of a number of cytotoxic antitumor sesquiterpene lactones and their derivatives has led to the discovery of bis(helenalinyl)glutarate (4) and bis(isoalantodiol-B)glutarate (10) as potent inhibitors of human-derived topoisomerase II. Unlike etoposide, which inhibits by preventing the DNA rejoining process, compounds 4 and 10 inhibit topoisomerase II without causing DNA breakage. The structure-activity relationships of 4, 10, and related compounds are discussed.
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Affiliation(s)
- C H Chen
- Natural Products Laboratory, Division of Medicinal Chemistry and Natural Products, School of Pharmacy, University of North Carolina, Chapel Hill 27599
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Hall IH, Grippo AA, Holbrook DJ, Chang JJ, Yang LM, Chaney SG, Lee KH. Renal, hepatic, cardiac and thymic acute toxicity afforded by bis(helenalinyl)malonate in BDF1 mice. Toxicology 1990; 64:205-16. [PMID: 2219141 DOI: 10.1016/0300-483x(90)90136-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Bis(helenalinyl)malonate [BHM], a pharmacologically active sesquiterpene lactone potentially useful as an antineoplastic agent, proved to be less toxic than its parent compound, helenalin. Its LD50 in BDF1 mice, i.p. was more than twice that of helenalin. Its lower toxicity allowed a higher therapeutic dose (15 mg/kg/day vs. 8 mg/kg/day for helenalin) which, in turn, afforded a greater T/C% (261 vs. 161). When BHM was employed at its therapeutic dose of 15 mg/kg/day, no marked toxicity was evident after three daily doses. However, continuation of treatment at this level led to both kidney and liver toxicity as measured by clinical chemistry parameters. Histological lesions in the thymus and kidney were demonstrated within 48 h at 25 mg/kg as a single dose. Apparently the toxicity was delayed with BHM but accumulated over time. Transient cardiotoxicity occurred with the drug and the agent was suspected of causing intestinal blockage.
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Affiliation(s)
- I H Hall
- Department of Biochemistry, University of North Carolina, Chapel Hill 27599
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Furans in synthesis 101. An efficient construction of the bicyclo[5.3.0]decane ring system of fastigilin-C. Tetrahedron Lett 1990. [DOI: 10.1016/s0040-4039(00)88893-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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