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Zou Y, He Y, Tan L, Xu X, Qi C, Zhang Y. Discovery of Cytotoxic Nitric Oxide-Releasing Piperlongumine Derivatives Targeting Wnt/β-Catenin in Colon Cancer Cells. JOURNAL OF NATURAL PRODUCTS 2024. [PMID: 39045852 DOI: 10.1021/acs.jnatprod.4c00084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Piperlongumine (1) increases reactive oxygen species (ROS) levels and induces apoptosis in cancer cells through various pathways. Nitric oxide (NO) donors have demonstrated potent anticancer activities with exogenous NO being oxidized by ROS in the tumor microenvironment to form highly reactive N-oxides (RNOS). This amplifies oxidative stress cascade reactions, ultimately inducing cancer cell apoptosis. To exploit this synergy, a series of NO-releasing piperlongumine derivatives (2-5) were designed and synthesized. These compounds were expected to release NO in cancer cells, simultaneously generating piperlongumine derivative fragments to enhance the anticancer effects. Compound 6, structurally similar to compounds 2-5 but not releasing NO, served as a control. Among these derivatives, compound 5 exhibited the most potent antiproliferative activity against HCT-116 cells and efficiently released NO in this cell line. Further investigation revealed that compound 5 inhibited colon cancer cell proliferation by modulating β-catenin expression, which is a pivotal protein in the Wnt/β-catenin signaling pathway. These findings highlight compound 5 as a promising candidate for colon cancer treatment targeting the Wnt/β-catenin pathway.
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Affiliation(s)
- Yu Zou
- Institute of Pharmaceutical Process, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Yuying He
- Institute of Pharmaceutical Process, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Lijuan Tan
- Institute of Pharmaceutical Process, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Xiaofei Xu
- Institute of Pharmaceutical Process, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Changxing Qi
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
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2
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Li P, Ma Y, Wang X, Li X, Wang X, Yang J, Liu G. The protective effect of PL 1-3 on D-galactose-induced aging mice. Front Pharmacol 2024; 14:1304801. [PMID: 38235117 PMCID: PMC10791853 DOI: 10.3389/fphar.2023.1304801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 12/12/2023] [Indexed: 01/19/2024] Open
Abstract
The aging population has become an issue that cannot be ignored, and research on aging is receiving increasing attention. PL 1-3 possesses diverse pharmacological properties including anti-oxidative stress, inhibits inflammatory responses and anti-apoptosis. This study showed that PL 1-3 could protect mice, especially the brain, against the aging caused by D-galactose (D-gal). D-gal could cause oxidative stress, inflammation, apoptosis and tissue pathological injury and so on in aging mice. The treatment of PL 1-3 could increase the anti-oxidative stress ability in the serum, liver, kidney and brain of aging mice, via increasing the total antioxidant capacity and the levels of anti-oxidative defense enzymes (superoxide dismutase, glutathione peroxidase, and catalase), and reducing the end product of lipid peroxidation (malondialdehyde). In the brain, in addition to the enhanced anti-oxidative stress via upregulating the level of the nuclear factor erythroid 2-related factor 2 and heme oxygenase 1, PL 1-3 could improve the dysfunction of the cholinergic system via reducing the active of acetylcholinesterase so as to increase the level of acetylcholine, increase the anti-inflammatory and anti-apoptosis activities via downregulating the expressions of pro-inflammatory cytokines (interleukin-6 and tumor necrosis factor-α) and pro-apoptosis proteins (Bcl-2 associated X protein and Caspase-3) in the D-gal-induced aging mice, to enhance the anti-aging ability via upregulating the expression of sirtuin 1 and downregulating the expressions of p53, p21, and p16. Besides, PL 1-3 could reverse the liver, kidney and spleen damages induced by D-gal in aging mice. These results suggested that PL 1-3 may be developed as an anti-aging drug for the prevention and intervention of age-related diseases.
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Affiliation(s)
- Pengxiao Li
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
| | - Yazhong Ma
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
| | - Xiaotong Wang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
| | - Xin Li
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
| | - Xuekun Wang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
| | - Jie Yang
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
- Liaocheng Key Laboratory of Quality Control and Pharmacodynamic Evaluation of Ganoderma Lucidum, Liaocheng University, Liaocheng, Shandong, China
| | - Guoyun Liu
- School of Pharmaceutical Sciences, Liaocheng University, Liaocheng, Shandong, China
- Liaocheng Key Laboratory of Quality Control and Pharmacodynamic Evaluation of Ganoderma Lucidum, Liaocheng University, Liaocheng, Shandong, China
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3
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Lijuan T, Xiaolu C, Xin W, Yuying H, Xi L, Xiliang Y, Ting W, Zhenli M, Yu Z. Identification of ligustrazine-based analogs of piperlongumine as potential anti-ischemic stroke agents. Fitoterapia 2023; 165:105398. [PMID: 36563762 DOI: 10.1016/j.fitote.2022.105398] [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: 10/18/2022] [Revised: 12/17/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Piper longum has a specific aroma and spicy taste. In addition to edible value, current studies have shown that piper longum also has pharmacological activities such as anti-platelet aggregation, anti-inflammation, anti-cancer, anti-diabetes and anti-depression. Piperlongumine is an alkaloid isolated from Piper longum. Based on our previous studies, four Piperlongumine analogs were synthesized, and their anti-platelet aggregation activities were evaluated. Among them, compound 8 has the strongest anti-platelet aggregation activity. Therefore, compound 8 was docked with stroke-related protein targets, and it was found that compound 8 had good binding affinity to MRTF-A complex and Bcl-2. Through animal experiments, it was found that compound 8 could significantly improve the pathological damage of brain tissue after ischemia and could increase the expression of MRTF-A and Bcl-2 in cerebral cortex in rats. These results suggest that compound 8 may have a good inhibitory effect on apoptosis and tissue structurel disorders induced by cerebral ischemia-reperfusion, so as to reduce the injury caused by ischemic stroke.
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Affiliation(s)
- Tan Lijuan
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Cao Xiaolu
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Wan Xin
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - He Yuying
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Lan Xi
- Sunshine Guojian Pharmaceutical (Shanghai) Co., Ltd., Shanghai 201203, China
| | - Yang Xiliang
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Wang Ting
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Min Zhenli
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China
| | - Zou Yu
- Department of Pharmacy, School of Medicine, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan 430065, Hubei Province, China.
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4
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Zhu P, Qian J, Xu Z, Meng C, Zhu W, Ran F, Zhang W, Zhang Y, Ling Y. Overview of piperlongumine analogues and their therapeutic potential. Eur J Med Chem 2021; 220:113471. [PMID: 33930801 DOI: 10.1016/j.ejmech.2021.113471] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/29/2021] [Accepted: 04/10/2021] [Indexed: 01/18/2023]
Abstract
Natural products have long been an important source for discovery of new drugs to treat human diseases. Piperlongumine (PL) is an amide alkaloid isolated from Piper longum L. (long piper) and other piper plants and has received widespread attention because of its diverse biological activities. A large number of PL derivatives have been designed, synthesized and assessed in many pharmacological functions, including antiplatelet aggregation, neuroprotective activities, anti-diabetic activities, anti-inflammatory activities, anti-senolytic activities, immune activities, and antitumor activities. Among them, the anti-tumor effects and application of PL and its derivatives are most extensively studied. We herein summarize the development of PL derivatives, the structure and activity relationships (SARs), and their therapeutic potential on the treatments of various diseases, especially against cancer. We also discussed the challenges and future directions associated with PL and its derivatives in these indications.
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Affiliation(s)
- Peng Zhu
- Medical School, Nantong University, Nantong, 226001, China; School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China; State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau
| | - Jianqiang Qian
- Medical School, Nantong University, Nantong, 226001, China; School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Zhongyuan Xu
- Medical School, Nantong University, Nantong, 226001, China; School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Chi Meng
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Weizhong Zhu
- Medical School, Nantong University, Nantong, 226001, China; School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Fansheng Ran
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Wei Zhang
- State Key Laboratory of Quality Research in Chinese Medicines, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Macau.
| | - Yanan Zhang
- Medical School, Nantong University, Nantong, 226001, China; School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China.
| | - Yong Ling
- Medical School, Nantong University, Nantong, 226001, China; School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China.
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5
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Liu X, Wang Y, Zhang X, Gao Z, Zhang S, Shi P, Zhang X, Song L, Hendrickson H, Zhou D, Zheng G. Senolytic activity of piperlongumine analogues: Synthesis and biological evaluation. Bioorg Med Chem 2018; 26:3925-3938. [PMID: 29925484 PMCID: PMC6087492 DOI: 10.1016/j.bmc.2018.06.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/04/2018] [Accepted: 06/12/2018] [Indexed: 02/06/2023]
Abstract
Selective clearance of senescent cells (SCs) has emerged as a potential therapeutic approach for age-related diseases, as well as chemotherapy- and radiotherapy-induced adverse effects. Through a cell-based phenotypic screening approach, we recently identified piperlongumine (PL), a dietary natural product, as a novel senolytic agent, referring to small molecules that can selectively kill SCs over normal or non-senescent cells. In an effort to establish the structure-senolytic activity relationships of PL analogues, we performed a series of structural modifications on the trimethoxyphenyl and the α,β-unsaturated δ-valerolactam rings of PL. We show that modifications on the trimethoxyphenyl ring are well tolerated, while the Michael acceptor on the lactam ring is critical for the senolytic activity. Replacing the endocyclic C2-C3 olefin with an exocyclic methylene at C2 render PL analogues 47-49 with increased senolytic activity. These α-methylene containing analogues are also more potent than PL in inducing ROS production in WI-38 SCs. Similar to PL, 47-49 reduce the protein levels of oxidation resistance 1 (OXR1), an important oxidative stress response protein that regulates the expression of a variety of antioxidant enzymes, in cells. This study represents a useful starting point toward the discovery of senolytic agents for therapeutic uses.
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Affiliation(s)
- Xingui Liu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Yingying Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Xuan Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Zhengya Gao
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Suping Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Peizhong Shi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Xin Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Lin Song
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Howard Hendrickson
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States
| | - Daohong Zhou
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States; Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL 32610, United States
| | - Guangrong Zheng
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States; Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, FL 32610, United States.
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6
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da Nóbrega FR, Ozdemir O, Nascimento Sousa SCS, Barboza JN, Turkez H, de Sousa DP. Piplartine Analogues and Cytotoxic Evaluation against Glioblastoma. Molecules 2018; 23:E1382. [PMID: 29890617 PMCID: PMC6099735 DOI: 10.3390/molecules23061382] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/14/2018] [Accepted: 05/14/2018] [Indexed: 12/14/2022] Open
Abstract
Piplartine (1) is an alkamide extracted from plants of the genus Piper which shows several pharmacological properties, including antitumor activity. To improve this activity, a series of analogues based on 1 have been synthesized by esterification and amidation using the 3,4,5-trimethoxycinnamic acid-like starting material. During the study, the moieties 3-(3,4,5-trimethoxyphenyl)acrylate and 3-(3,4,5-trimethoxyphenyl)acrylamide were maintained on esters and amides respectively. Meanwhile, functional changes were exploited, and it was revealed that the presence of two aromatic rings in the side-chain was important to improve the cytotoxic activity against the U87MG cell line, such as the compound (E)-benzhydryl 3-(3,4,5-trimethoxyphenyl)acrylate (10), an ester that exhibited strong cytotoxicity and a similar level of potency to that of paclitaxel, a positive control. Compound 10 had a marked concentration-dependent inhibitory effect on the viability of the U87MG cell line with apoptotic and oxidative processes, showing good potential for altering main molecular pathways to prevent tumor development. Moreover, it has strong bioavailability with non-genotoxic and non-cytotoxic properties on human blood cells. In conclusion, the findings of the present study demonstrated that compound 10 is a promising agent that may find applications combatting diseases associated with oxidative stress and as a prototype for the development of novel drugs used in the treatment of glioblastoma.
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Affiliation(s)
- Flávio Rogério da Nóbrega
- Laboratory of Pharmaceutical Chemistry, Universidade Federal da Paraíba, João Pessoa 58051-085, Brazil.
| | - Ozlem Ozdemir
- Department of Molecular Biology and Genetics, Erzurum Technical University, Erzurum 25240, Turkey.
| | | | - Joice Nascimento Barboza
- Laboratory of Pharmaceutical Chemistry, Universidade Federal da Paraíba, João Pessoa 58051-085, Brazil.
| | - Hasan Turkez
- Department of Molecular Biology and Genetics, Erzurum Technical University, Erzurum 25240, Turkey.
- Department of Pharmacy, "G. d'Annunzio" University of Chieti-Pescara, Via dei Vestini 31, 66013 Chieti Scalo, CH, Italy.
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Wang HB, Jin XL, Zheng JF, Wang F, Dai F, Zhou B. Developing piperlongumine-directed glutathione S-transferase inhibitors by an electrophilicity-based strategy. Eur J Med Chem 2017; 126:517-525. [PMID: 27914365 DOI: 10.1016/j.ejmech.2016.11.034] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 10/29/2016] [Accepted: 11/14/2016] [Indexed: 01/10/2023]
Abstract
We report a case of successful design of glutathione S-transferase (GST) inhibitors via a natural product-inspired and electrophilicity-based strategy. Based on this strategy, a novel piperlongumine analog (PL-13) bearing a para-trifluoromethyl group and an α-chlorine on its aromatic and lactam rings, respectively, surfaced as a promising GST inhibitor, thereby overcoming cisplatin resistance in lung cancer A549 cells.
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Affiliation(s)
- Hai-Bo Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Xiao-Ling Jin
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Jia-Fang Zheng
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Fu Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Fang Dai
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Bo Zhou
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China.
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8
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Lad NP, Kulkarni S, Sharma R, Mascarenhas M, Kulkarni MR, Pandit SS. Piperlongumine derived cyclic sulfonamides (sultams): Synthesis and in vitro exploration for therapeutic potential against HeLa cancer cell lines. Eur J Med Chem 2017; 126:870-878. [PMID: 27987486 DOI: 10.1016/j.ejmech.2016.12.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 11/19/2016] [Accepted: 12/09/2016] [Indexed: 11/28/2022]
Abstract
A novel modification of piperlongumine is designed, bearing a cyclic sulphonamide (sultam) and its synthesis is described. For the first time herein we report the synthesis and biological evaluation of the natural product derived cyclic sulfonamides using Grubbs second generation catalyst (Grubbs II) via ring closing metathesis approach. Synthesis of a series of piperlongumine derived sultams is done in a moderate to good yield using Wittig reaction, Ring-Closing Metathesis (RCM) and, amide synthesis by using mixed anhydride, approach. All synthesized compounds were evaluated for anticancer activity and some demonstrated dose dependent reduction in HeLa cell growth. Of these 7, 10 and 14 significantly reduced the cell growth. Consequently their calculated GI50 values were found to be 0.1 or <0.1 μM.
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Affiliation(s)
- Nitin P Lad
- Research Centre and Post Graduate Department of Chemistry, Padmashri Vikhe Patil College of Arts, Science and Commerce, Pravaranagar, A/P Loni, Tal. Rahata, Dist. Ahmednagar 413713, India; Department of Medicinal Chemistry, Piramal Enterprises Ltd., 1-Nirlon Complex, Goregaon (East), Mumbai 400063, India
| | - Sarang Kulkarni
- Department of Medicinal Chemistry, Piramal Enterprises Ltd., 1-Nirlon Complex, Goregaon (East), Mumbai 400063, India
| | - Rajiv Sharma
- Department of Medicinal Chemistry, Piramal Enterprises Ltd., 1-Nirlon Complex, Goregaon (East), Mumbai 400063, India
| | - Malcolm Mascarenhas
- Department of Medicinal Chemistry, Piramal Enterprises Ltd., 1-Nirlon Complex, Goregaon (East), Mumbai 400063, India
| | - Mahesh R Kulkarni
- Research Centre and Post Graduate Department of Chemistry, Padmashri Vikhe Patil College of Arts, Science and Commerce, Pravaranagar, A/P Loni, Tal. Rahata, Dist. Ahmednagar 413713, India; Department of Medicinal Chemistry, Piramal Enterprises Ltd., 1-Nirlon Complex, Goregaon (East), Mumbai 400063, India
| | - Shivaji S Pandit
- Research Centre and Post Graduate Department of Chemistry, Padmashri Vikhe Patil College of Arts, Science and Commerce, Pravaranagar, A/P Loni, Tal. Rahata, Dist. Ahmednagar 413713, India.
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Han LC, Stanley PA, Wood PJ, Sharma P, Kuruppu AI, Bradshaw TD, Moses JE. Horner-Wadsworth-Emmons approach to piperlongumine analogues with potent anti-cancer activity. Org Biomol Chem 2016; 14:7585-93. [PMID: 27443386 DOI: 10.1039/c6ob01160h] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Natural products with anti-cancer activity play a vital role in lead and target discovery. We report here the synthesis and biological evaluation of the plant-derived alkaloid, piperlongumine and analogues. Using a Horner-Wadsworth-Emmons coupling approach, a selection of piperlongumine-like compounds were prepared in good overall yield from a novel phosphonoacetamide reagent. A number of the compounds displayed potent anti-cancer activity against colorectal (HCT 116) and ovarian (IGROV-1) carcinoma cell lines, via a mechanism of action which may involve ROS generation. Contrary to previous reports, no selective action in cancer cell (MRC-5) was observed for piperlongumine analogues.
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Affiliation(s)
- Li-Chen Han
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
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10
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Yan WJ, Wang Q, Yuan CH, Wang F, Ji Y, Dai F, Jin XL, Zhou B. Designing piperlongumine-directed anticancer agents by an electrophilicity-based prooxidant strategy: A mechanistic investigation. Free Radic Biol Med 2016; 97:109-123. [PMID: 27233942 DOI: 10.1016/j.freeradbiomed.2016.05.021] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 05/21/2016] [Accepted: 05/21/2016] [Indexed: 02/05/2023]
Abstract
Piperlongumine (PL), a natural electrophilic alkaloid bearing two α, β-unsaturated imides, is a promising anticancer molecule by targeting the stress response to reactive oxygen species (ROS). Considering that ROS generation depends on electrophilicity of PL, PL-CL was designed as its analog by introducing the α-substituent chlorine on the lactam ring to increase moderately its electrophilicity. In comparison with the parent molecule, this molecule was identified as a stronger ROS (O2(∙-) and H2O2) inducer and cytotoxic agent, and manifested more than 15-fold selectivity toward A549 cells over normal WI-38 cells. Mechanistic study uncovers for the first time that the selenoprotein thioredoxin reductase (TrxR) is one of the targets by which PL-CL promotes the ROS generation. Stronger intracellular TrxR inhibition and higher accumulation of ROS (O2(∙-) and H2O2) are responsible for more effective S-phase arrest and mitochondria-mediated apoptotic induction of A549 cells by PL-CL than PLvia p53-p21-cyclinA/CDK2 and ASK1-JNK/p38 signaling cascade pathways, respectively. This work provides an example of successfully designing PL-directed anticancer agent by an electrophilicity-based prooxidant (ROS-generating agent) strategy and gives added confidence for extending this strategy to other natural products.
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Affiliation(s)
- Wen-Jing Yan
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Qi Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Cui-Hong Yuan
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Fu Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Yuan Ji
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Fang Dai
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Xiao-Ling Jin
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China
| | - Bo Zhou
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu 730000, China.
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