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Miao Z, Zhong Y, Gan Y, Fu K, Liu W, Cao Z, Zhao T, Li Z, Hai A, Peng Y, Zuo Z, Zhang T, Hu S, Chen C, Kang T, Huang T, Guo D, Ke B. A Novel Bifunctional μOR Agonist and σ 1R Antagonist with Potent Analgesic Responses and Reduced Adverse Effects. J Med Chem 2023; 66:16257-16275. [PMID: 38015878 DOI: 10.1021/acs.jmedchem.3c01637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Bifunctional ligands possessing both μOR agonism and σ1R antagonism have shown promise in producing strong analgesic effects with reduced opioid-related side effects. However, the μOR agonism activity of most dual ligands diminishes compared with classical opioids, raising concern about their effectiveness in managing nociceptive pain. In this study, a new class of dual μOR agonist/σ1R antagonist was reported. Through structure-activity relationship analyses, we identified the optimal compound, 4x, which displayed picomolar μOR agonism activity (EC50: 0.6 ± 0.2 nM) and good σ1R inhibitory activity (Ki: 363.7 ± 5.6 nM) with excellent selectivity. Compound 4x exhibited robust analgesic effects in various pain models, with significantly reduced side effects. Importantly, compound 4x also possessed good safety profiles and no abnormalities were observed in biological parameters even under a high dosage. Our findings suggest that 4x may be a promising lead compound for developing safer opioids and warrants further in-depth studies.
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Affiliation(s)
- Zhuang Miao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yuhan Zhong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yu Gan
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Kequan Fu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, China
| | - Wencheng Liu
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhihua Cao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tiantian Zhao
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ziyuan Li
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ao Hai
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yanlai Peng
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zeping Zuo
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tian Zhang
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shilong Hu
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Chunxia Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Ting Kang
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Tianguang Huang
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Dong Guo
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, 209 Tongshan Road, Xuzhou 221004, China
| | - Bowen Ke
- Department of Anesthesiology, Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
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2
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Abatematteo FS, Delre P, Mercurio I, Rezelj VV, Siliqi D, Beaucourt S, Lattanzi G, Colabufo NA, Leopoldo M, Saviano M, Vignuzzi M, Mangiatordi GF, Abate C. A conformational rearrangement of the SARS-CoV-2 host protein sigma-1 is required for antiviral activity: insights from a combined in-silico/in-vitro approach. Sci Rep 2023; 13:12798. [PMID: 37550340 PMCID: PMC10406941 DOI: 10.1038/s41598-023-39662-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023] Open
Abstract
The development of effective drugs to treat coronavirus infections remains a significant challenge for the scientific community. Recent evidence reports on the sigma-1 receptor (S1R) as a key druggable host protein in the SARS-CoV-1 and SARS-CoV-2 interactomes and shows a potent antiviral activity against SARS-CoV-2 for the S1R antagonist PB28. To improve PB28 activity, we designed and tested a series of its analogues and identified a compound that is fourfold more potent against SARS-CoV-2 than PB28 itself. Interestingly, we found no direct correlation between S1R affinity and SARS-CoV-2 antiviral activity. Building on this, we employed comparative induced fit docking and molecular dynamics simulations to gain insights into the possible mechanism that occurs when specific ligand-protein interactions take place and that may be responsible for the observed antiviral activity. Our findings offer a possible explanation for the experimental observations, provide insights into the S1R conformational changes upon ligand binding and lay the foundation for the rational design of new S1R ligands with potent antiviral activity against SARS-CoV-2 and likely other viruses.
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Affiliation(s)
- Francesca Serena Abatematteo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona, 4, 70125, Bari, Italy
| | - Pietro Delre
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Cristallografia, Via Amendola 122/O, 70126, Bari, Italy
| | - Ivan Mercurio
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Cristallografia, Via Amendola 122/O, 70126, Bari, Italy
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", Via Antonio Vivaldi 43, 81100, Caserta, Italy
| | - Veronica V Rezelj
- Viral Populations and Pathogenesis Unit, UMR 3569, CNRS, Institut Pasteur, Paris, France
| | - Dritan Siliqi
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Cristallografia, Via Amendola 122/O, 70126, Bari, Italy
| | - Stephanie Beaucourt
- Viral Populations and Pathogenesis Unit, UMR 3569, CNRS, Institut Pasteur, Paris, France
| | - Gianluca Lattanzi
- Department of Physics, University of Trento, Via Sommarive 9, 38123, Povo-Trento, Italy
- TIFPA Trento Institute for Fundamental Physics and Applications, Via Sommarive 9, 38123, Povo-Trento, Italy
| | - Nicola Antonio Colabufo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona, 4, 70125, Bari, Italy
| | - Marcello Leopoldo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona, 4, 70125, Bari, Italy
| | - Michele Saviano
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Cristallografia, Via Vivaldi 43, 81100, Caserta, Italy
| | - Marco Vignuzzi
- Viral Populations and Pathogenesis Unit, UMR 3569, CNRS, Institut Pasteur, Paris, France
- A*STAR Infectious Diseases Labs (A*STAR ID Labs), Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, Immunos #05-13, Singapore, 138648, Singapore
| | - Giuseppe Felice Mangiatordi
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Cristallografia, Via Amendola 122/O, 70126, Bari, Italy.
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona, 4, 70125, Bari, Italy.
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Cristallografia, Via Amendola 122/O, 70126, Bari, Italy.
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3
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Li Y, Xie X, Liao S, Zeng Z, Li S, Xie B, Huang Q, Zhou H, Zhou C, Lin J, Huang Y, Xu D. A011, a novel small-molecule ligand of σ 2 receptor, potently suppresses breast cancer progression via endoplasmic reticulum stress and autophagy. Biomed Pharmacother 2022; 152:113232. [PMID: 35679718 DOI: 10.1016/j.biopha.2022.113232] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 11/24/2022] Open
Abstract
Breast cancer has surpassed lung cancer to become the most commonly diagnosed cancer in women worldwide. Sigma-2 (σ2) receptor is considered to be a potential therapeutic target for breast cancer because of its high expression in breast cancer cells and low expression in normal breast cells. Many σ2 ligands have been reported to have excellent anticancer activity, but their mechanism of action has not been fully elucidated. We discovered that A011 had high affinity and selectivity for σ2 receptor, reduced proliferation in five cancer cell lines, and significantly inhibited the monoclonal formation ability of MCF-7 cells. Furthermore, A011 rapidly increased the levels of intracellular Ca2+ and reactive oxygen species and induced autophagy. Molecular pharmacology studies revealed that A011 induced endoplasmic reticulum stress, activated the PERK-eIF2α-CHOP pathway and inhibited the activation of the PI3K-Akt-mTOR pathway, leading to cell apoptosis. In an in vivo tumor model, A011 showed obvious anti-tumor activity and no significant toxicity. More importantly, our study demonstrated for the first time that endoplasmic reticulum stress is the main mechanism of anti-cancer effects for σ2 ligands, at least for A011. A011 may potentially be useful as a therapeutic agent for treating breast cancer.
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Affiliation(s)
- Yuyun Li
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Xiaoyang Xie
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China
| | - Shiyi Liao
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China
| | - Zhanwei Zeng
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China
| | - Siyan Li
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510016, China
| | - Baocheng Xie
- Department of Pharmacy, Affiliated Dongguan Hospital, Southern Medical University, Dongguan 523018 China
| | - Qunfa Huang
- Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China
| | - Huan Zhou
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China
| | - Chenhui Zhou
- School of Nursing, Guangdong Medical University, Dongguan 523808, China
| | - Jiantao Lin
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China
| | - Yunsheng Huang
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China.
| | - Daohua Xu
- Guangdong Key Laboratory for Research and Development of Natural Drugs, School of Pharmacy, Guangdong Medical University, Dongguan 523808, China; Key Laboratory of Traditional Chinese Medicine and New Pharmacutical Development, Guangdong Medical University, Dongguan 523808, China.
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4
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Hill J, Crich D. The N,N,O-Trisubstituted Hydroxylamine Isostere and Its Influence on Lipophilicity and Related Parameters. ACS Med Chem Lett 2022; 13:799-806. [PMID: 35586423 PMCID: PMC9109164 DOI: 10.1021/acsmedchemlett.1c00713] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 04/13/2022] [Indexed: 11/28/2022] Open
Abstract
The influence of substitution of an N,N,O-trisubstituted hydroxylamine (-NR-OR'-) unit for a hydrocarbon (-CHR-CH2-), ether (-CHR-OR'-), or amine (-NR-CHR'-) moiety on lipophilicity and other ADME parameters is described. A matched molecular pair analysis was conducted across five series of compounds, which showed that the replacement of carbon-carbon bonds by N,N,O-trisubstituted hydroxylamines typically leads to a reduction in logP comparable to that achieved with a tertiary amine group. In contrast, the weakly basic N,N,O-trisubstituted hydroxylamines have greater logD 7.4 values than tertiary amines. It is also demonstrated that the N,N,O-trisubstituted hydroxylamine moiety can improve metabolic stability and reduce human plasma protein binding relative to the corresponding hydrocarbon and ether units. Coupled with recent synthetic methods for hydroxylamine assembly by N-O bond formation, these results provide support for the re-evaluation of the N,N,O-trisubstituted hydroxylamine moiety in small-molecule optimization schemes in medicinal chemistry.
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Affiliation(s)
- Jarvis Hill
- Department
of Pharmaceutical and Biomedical Sciences, University of Georgia, 250 West Green Street, Athens, Georgia 30602, United
States
- Department
of Chemistry, University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - David Crich
- Department
of Pharmaceutical and Biomedical Sciences, University of Georgia, 250 West Green Street, Athens, Georgia 30602, United
States
- Department
of Chemistry, University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
- Complex
Carbohydrate Research Center, University
of Georgia, 315 Riverbend
Road, Athens, Georgia 30602, United States
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5
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Niso M, Kopecka J, Abatematteo FS, Berardi F, Riganti C, Abate C. Multifunctional thiosemicarbazones targeting sigma receptors: in vitro and in vivo antitumor activities in pancreatic cancer models. Cell Oncol (Dordr) 2021; 44:1307-1323. [PMID: 34586588 PMCID: PMC8648660 DOI: 10.1007/s13402-021-00638-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 09/15/2021] [Indexed: 11/17/2022] Open
Abstract
PURPOSE Association of the metal chelating portion of thiosemicarbazone with the cytotoxic activity of sigma-2 receptors appears a promising strategy for the treatment of pancreatic tumors. Here, we developed a novel sigma-2 receptor targeting thiosemicarbazone (FA4) that incorporates a moiety associated with lysosome destabilization and ROS increase in order to design more efficient antitumor agents. METHODS The density of sigma receptors in pancreatic cancer cells was evaluated by flow cytometry. In these cells, cytotoxicity (MTT assay) and activation of ER- and mitochondria-dependent cell death pathways (mRNA expression of GRP78, ATF6, IRE1, PERK; ROS levels by MitoSOX and DCFDA-AM; JC-1 staining) induced by the thiosemicarbazones FA4, MLP44, PS3 and ACthio-1, were evaluated. The expression of autophagic proteins (ATG5, ATG7, ATG12, beclin, p62 and LC3-I) was also studied. In addition, the in vivo effect of FA4 in xenograft models with and without gemcitabine challenge was investigated. RESULTS We found that FA4 exerted a more potent cytotoxicity than previously studied thiosemicarbazones (MLP44, PS3 and ACthio-1), which were found to display variable effects on the ER or the mitochondria-dependent pro-apoptotic axis. By contrast, FA4 activated pro-apoptotic pathways and decreased autophagy, except in MiaPaCa2 cells, in which autophagic proteins were expressed at lower levels and remained unmodified by FA4. FA4 treatment of PANC-1 xenografted mouse models, poorly responsive to conventional chemotherapy, significantly reduced tumor volumes and increased intratumor apoptosis compared to gemcitabine, with no signs of toxicity. CONCLUSIONS Our data indicate that FA4 exhibits encouraging activity in pancreatic cancer cells unresponsive to gemcitabine. These results warrant further investigation in patient-derived pancreatic cancers, and hold promise for the development of therapies that can more efficiently target the specific characteristics of individual tumor types.
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Affiliation(s)
- Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, 70125, Bari, Italy
| | - Joanna Kopecka
- Department of Oncology, University of Turin, via Santena 5/bis, 10126, Torino, Italy
| | - Francesca Serena Abatematteo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, 70125, Bari, Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, 70125, Bari, Italy
| | - Chiara Riganti
- Department of Oncology, University of Turin, via Santena 5/bis, 10126, Torino, Italy.
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, 70125, Bari, Italy.
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6
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Zhan B, Zhang Z, Piao C, Dong X, Du Y, Kong C, Jiang Y. The Sigma-2 Receptor/TMEM97 Agonist PB28 Suppresses Cell Proliferation and Invasion by Regulating the PI3K-AKT-mTOR Signalling Pathway in Renal Cancer. J Cell Mol Med 2021; 25:11244-11256. [PMID: 34783163 PMCID: PMC8650047 DOI: 10.1111/jcmm.17047] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/19/2021] [Accepted: 10/24/2021] [Indexed: 01/23/2023] Open
Abstract
Sigma‐2 receptor/TMEM97 is overexpressed in many tumours, and sigma‐2 receptor ligands are under investigation for cancer therapy. We intended to evaluate the effect of PB28 on renal cancer in proliferation, migration and invasion in vitro and in vivo. Invasive renal cancer cell lines treated with PB28 (or sigma‐2 receptor antagonist 1) were subjected to cell proliferation, migration and invasion assays. The therapeutic effect of PB28 was performed on nude mice. Western blot for proteins in the PI3K‐AKT‐mTOR signalling pathway was conducted. A CCK‐8 assay was used to examine the effect of the combination of PB28 and cisplatin on renal cancer cells. Significant inhibitory effects were observed on proliferation, migration and invasion of 786‐O and ACHN cells after culturing with PB28. But, the outcomes of sigma‐2 receptor antagonist 1 presented the opposite tendency. PB28 significantly inhibited the proliferative and invasive ability of OS‐RC‐2 cells in vivo. Treatment resulted in decreased phosphorylation of constituents of the PI3K‐AKT‐mTOR pathway. The combination of PB28 and cisplatin showed enhanced efficacy in the inhibition of renal cancer cell proliferation. Taken together, PB28 inhibited the tumorigenic behaviours of renal cancer cells by regulating the PI3K‐AKT‐mTOR signalling pathway and was expected to be a sensitizer of cisplatin.
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Affiliation(s)
- Bo Zhan
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Zhe Zhang
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Chiyuan Piao
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Xiao Dong
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Yang Du
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Chuize Kong
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
| | - Yuanjun Jiang
- Department of Urology, The First Hospital of China Medical University, Shenyang, People's Republic of China
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7
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Tummino TA, Rezelj VV, Fischer B, Fischer A, O'Meara MJ, Monel B, Vallet T, White KM, Zhang Z, Alon A, Schadt H, O'Donnell HR, Lyu J, Rosales R, McGovern BL, Rathnasinghe R, Jangra S, Schotsaert M, Galarneau JR, Krogan NJ, Urban L, Shokat KM, Kruse AC, García-Sastre A, Schwartz O, Moretti F, Vignuzzi M, Pognan F, Shoichet BK. Drug-induced phospholipidosis confounds drug repurposing for SARS-CoV-2. Science 2021; 373:541-547. [PMID: 34326236 PMCID: PMC8501941 DOI: 10.1126/science.abi4708] [Citation(s) in RCA: 129] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/15/2021] [Indexed: 01/16/2023]
Abstract
Repurposing drugs as treatments for COVID-19, the disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has drawn much attention. Beginning with sigma receptor ligands and expanding to other drugs from screening in the field, we became concerned that phospholipidosis was a shared mechanism underlying the antiviral activity of many repurposed drugs. For all of the 23 cationic amphiphilic drugs we tested, including hydroxychloroquine, azithromycin, amiodarone, and four others already in clinical trials, phospholipidosis was monotonically correlated with antiviral efficacy. Conversely, drugs active against the same targets that did not induce phospholipidosis were not antiviral. Phospholipidosis depends on the physicochemical properties of drugs and does not reflect specific target-based activities-rather, it may be considered a toxic confound in early drug discovery. Early detection of phospholipidosis could eliminate these artifacts, enabling a focus on molecules with therapeutic potential.
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Affiliation(s)
- Tia A Tummino
- Department of Pharmaceutical Chemistry, University of California San Francisco (UCSF), San Francisco, CA, USA
- Graduate Program in Pharmaceutical Sciences and Pharmacogenomics, UCSF, San Francisco, CA, USA
- Quantitative Biosciences Institute (QBI), UCSF, San Francisco, CA, USA
- QBI COVID-19 Research Group (QCRG), San Francisco, CA, USA
| | - Veronica V Rezelj
- Institut Pasteur, Viral Populations and Pathogenesis Unit, CNRS UMR 3569, 75724 Paris, Cedex 15, France
| | - Benoit Fischer
- Novartis Institutes for BioMedical Research, Preclinical Safety, Basel, Switzerland
| | - Audrey Fischer
- Novartis Institutes for BioMedical Research, Preclinical Safety, Basel, Switzerland
| | - Matthew J O'Meara
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Blandine Monel
- Institut Pasteur, Virus and Immunity Unit, CNRS UMR 3569, 75724 Paris, Cedex 15, France
| | - Thomas Vallet
- Institut Pasteur, Viral Populations and Pathogenesis Unit, CNRS UMR 3569, 75724 Paris, Cedex 15, France
| | - Kris M White
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ziyang Zhang
- Quantitative Biosciences Institute (QBI), UCSF, San Francisco, CA, USA
- QBI COVID-19 Research Group (QCRG), San Francisco, CA, USA
- Department of Cellular and Molecular Pharmacology, UCSF, San Francisco, CA, USA
- Howard Hughes Medical Institute, UCSF, San Francisco, CA, USA
| | - Assaf Alon
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Heiko Schadt
- Novartis Institutes for BioMedical Research, Preclinical Safety, Basel, Switzerland
| | - Henry R O'Donnell
- Department of Pharmaceutical Chemistry, University of California San Francisco (UCSF), San Francisco, CA, USA
| | - Jiankun Lyu
- Department of Pharmaceutical Chemistry, University of California San Francisco (UCSF), San Francisco, CA, USA
- Quantitative Biosciences Institute (QBI), UCSF, San Francisco, CA, USA
- QBI COVID-19 Research Group (QCRG), San Francisco, CA, USA
| | - Romel Rosales
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Briana L McGovern
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Raveen Rathnasinghe
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sonia Jangra
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Michael Schotsaert
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jean-René Galarneau
- Novartis Institutes for BioMedical Research, Preclinical Safety, Cambridge, MA, USA
| | - Nevan J Krogan
- Quantitative Biosciences Institute (QBI), UCSF, San Francisco, CA, USA
- QBI COVID-19 Research Group (QCRG), San Francisco, CA, USA
- Department of Cellular and Molecular Pharmacology, UCSF, San Francisco, CA, USA
- Gladstone Institute of Data Science and Biotechnology, J. David Gladstone Institutes, San Francisco, CA, USA
| | - Laszlo Urban
- Novartis Institutes for BioMedical Research, Preclinical Safety, Cambridge, MA, USA
| | - Kevan M Shokat
- Quantitative Biosciences Institute (QBI), UCSF, San Francisco, CA, USA
- QBI COVID-19 Research Group (QCRG), San Francisco, CA, USA
- Department of Cellular and Molecular Pharmacology, UCSF, San Francisco, CA, USA
- Howard Hughes Medical Institute, UCSF, San Francisco, CA, USA
| | - Andrew C Kruse
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Olivier Schwartz
- Institut Pasteur, Virus and Immunity Unit, CNRS UMR 3569, 75724 Paris, Cedex 15, France
| | - Francesca Moretti
- Novartis Institutes for BioMedical Research, Preclinical Safety, Basel, Switzerland.
| | - Marco Vignuzzi
- Institut Pasteur, Viral Populations and Pathogenesis Unit, CNRS UMR 3569, 75724 Paris, Cedex 15, France.
| | - Francois Pognan
- Novartis Institutes for BioMedical Research, Preclinical Safety, Basel, Switzerland.
| | - Brian K Shoichet
- Department of Pharmaceutical Chemistry, University of California San Francisco (UCSF), San Francisco, CA, USA.
- Quantitative Biosciences Institute (QBI), UCSF, San Francisco, CA, USA
- QBI COVID-19 Research Group (QCRG), San Francisco, CA, USA
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8
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Current development of sigma-2 receptor radioligands as potential tumor imaging agents. Bioorg Chem 2021; 115:105163. [PMID: 34289426 DOI: 10.1016/j.bioorg.2021.105163] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/05/2021] [Accepted: 07/08/2021] [Indexed: 12/24/2022]
Abstract
Sigma receptors are transmembrane proteins with two different subtypes: σ1 and σ2. Because of its overexpression in tumors, the σ2 receptor (σ2R) is a well-known biomarker for cancer cells. A large number of small-molecule ligands for the σ2Rs have been identified and tested for imaging the proliferative status of tumors using single photon emission computed tomography (SPECT) and positron emission tomography (PET). These small molecules include derivatives of bicyclic amines, indoles, cyclohexylpiperazines and tetrahydroisoquinolines. This review discusses various aspects of small molecule ligands, such as chemical composition, labeling strategy, affinity for σ2Rs, and in vitro/in vivo investigations. The recent studies described here could be useful for the development of σ2R radioligands as potential tumor imaging agents.
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9
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Abatematteo FS, Niso M, Contino M, Leopoldo M, Abate C. Multi-Target Directed Ligands (MTDLs) Binding the σ 1 Receptor as Promising Therapeutics: State of the Art and Perspectives. Int J Mol Sci 2021; 22:6359. [PMID: 34198620 PMCID: PMC8232171 DOI: 10.3390/ijms22126359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 05/31/2021] [Accepted: 06/10/2021] [Indexed: 11/18/2022] Open
Abstract
The sigma-1 (σ1) receptor is a 'pluripotent chaperone' protein mainly expressed at the mitochondria-endoplasmic reticulum membrane interfaces where it interacts with several client proteins. This feature renders the σ1 receptor an ideal target for the development of multifunctional ligands, whose benefits are now recognized because several pathologies are multifactorial. Indeed, the current therapeutic regimens are based on the administration of different classes of drugs in order to counteract the diverse unbalanced physiological pathways associated with the pathology. Thus, the multi-targeted directed ligand (MTDL) approach, with one molecule that exerts poly-pharmacological actions, may be a winning strategy that overcomes the pharmacokinetic issues linked to the administration of diverse drugs. This review aims to point out the progress in the development of MTDLs directed toward σ1 receptors for the treatment of central nervous system (CNS) and cancer diseases, with a focus on the perspectives that are proper for this strategy. The evidence that some drugs in clinical use unintentionally bind the σ1 protein (as off-target) provides a proof of concept of the potential of this strategy, and it strongly supports the promise that the σ1 receptor holds as a target to be hit in the context of MTDLs for the therapy of multifactorial pathologies.
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Affiliation(s)
| | | | | | | | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, 70125 Bari, Italy; (F.S.A.); (M.N.); (M.C.); (M.L.)
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10
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Fallica AN, Pittalà V, Modica MN, Salerno L, Romeo G, Marrazzo A, Helal MA, Intagliata S. Recent Advances in the Development of Sigma Receptor Ligands as Cytotoxic Agents: A Medicinal Chemistry Perspective. J Med Chem 2021; 64:7926-7962. [PMID: 34076441 PMCID: PMC8279423 DOI: 10.1021/acs.jmedchem.0c02265] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
![]()
Since their discovery
as distinct receptor proteins, the specific
physiopathological role of sigma receptors (σRs) has been deeply
investigated. It has been reported that these proteins, classified
into two subtypes indicated as σ1 and σ2, might play a pivotal role in cancer growth, cell proliferation,
and tumor aggressiveness. As a result, the development of selective
σR ligands with potential antitumor properties attracted significant
attention as an emerging theme in cancer research. This perspective
deals with the recent advances of σR ligands as novel cytotoxic
agents, covering articles published between 2010 and 2020. An up-to-date
description of the medicinal chemistry of selective σ1R and σ2R ligands with antiproliferative and cytotoxic
activities has been provided, including major pharmacophore models
and comprehensive structure–activity relationships for each
main class of σR ligands.
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Affiliation(s)
- Antonino N Fallica
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Valeria Pittalà
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Maria N Modica
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Loredana Salerno
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Giuseppe Romeo
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Agostino Marrazzo
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Mohamed A Helal
- University of Science and Technology, Biomedical Sciences Program, Zewail City of Science and Technology, October Gardens, sixth of October, Giza 12578, Egypt.,Medicinal Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Sebastiano Intagliata
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
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11
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Abate C, Niso M, Abatematteo FS, Contino M, Colabufo NA, Berardi F. PB28, the Sigma-1 and Sigma-2 Receptors Modulator With Potent Anti-SARS-CoV-2 Activity: A Review About Its Pharmacological Properties and Structure Affinity Relationships. Front Pharmacol 2020; 11:589810. [PMID: 33364961 PMCID: PMC7750835 DOI: 10.3389/fphar.2020.589810] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/15/2020] [Indexed: 12/27/2022] Open
Abstract
These unprecedented times have forced the scientific community to gather to face the COVID-19 pandemic. Efforts in diverse directions have been made. A multi-university team has focused on the identification of the host (human) proteins interacting with SARS-CoV-2 viral proteins, with the aim of hampering these interactions that may cause severe COVID-19 symptoms. Sigma-1 and sigma-2 receptors surprisingly belong to the “druggable” host proteins found, with the pan-sigma receptor modulator PB28 displaying the most potent anti–SARS-CoV-2 activity in in vitro assays. Being 20-fold more active than hydroxychloroquine, without cardiac side effects, PB28 is a promising antiviral candidate worthy of further investigation. Our research group developed PB28 in 1996 and have thoroughly characterized its biological properties since then. Structure–affinity relationship (SAfiR) studies at the sigma receptor subtypes were also undertaken with PB28 as the lead compound. We herein report our knowledge of PB28 to share information that may help to gain insight into the antiviral action of this compound and sigma receptors, while providing structural hints that may speed up the translation into therapeutics of this class of ligands.
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Affiliation(s)
- Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Bari, Italy
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Bari, Italy
| | | | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Bari, Italy
| | - Nicola Antonio Colabufo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Bari, Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Bari, Italy
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12
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Colabufo NA, Leopoldo M, Ferorelli S, Abate C, Contino M, Perrone MG, Niso M, Perrone R, Berardi F. Why PB28 Could Be a Covid 2019 Game Changer? ACS Med Chem Lett 2020; 11:2048-2050. [PMID: 33052254 PMCID: PMC7437449 DOI: 10.1021/acsmedchemlett.0c00271] [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: 05/20/2020] [Accepted: 08/14/2020] [Indexed: 12/29/2022] Open
Abstract
![]()
PB28,
a cyclohexylpiperazine derivative, could be a potential strategy
for Covid 19 because in a recent study it has been found more active
than hydroxychloroquine without interaction with cardiac proteins.
PB28 has been designed, developed, and biologically evaluated in the
past decade in our research group. A possible mechanism to explain
its surprising anti-COVID-19 activity is suggested..
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Affiliation(s)
- Nicola Antonio Colabufo
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Marcello Leopoldo
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Savina Ferorelli
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Carmen Abate
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Marialessandra Contino
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Maria Grazia Perrone
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Mauro Niso
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Roberto Perrone
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
| | - Francesco Berardi
- Dipartimento Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, via Orabona 4, 70125 Bari, Italy
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13
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Subota AI, Lutsenko AO, Vashchenko BV, Volochnyuk DM, Levchenko V, Dmytriv YV, Rusanov EB, Gorlova AO, Ryabukhin SV, Grygorenko OO. Scalable and Straightforward Synthesis of All Isomeric (Cyclo)alkylpiperidines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900450] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Andrii I. Subota
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
- Institute of Organic Chemistry; National Academy of Sciences of Ukraine; Murmanska Street 5 02094 Kyiv Ukraine
| | - Anton O. Lutsenko
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
- Taras Shevchenko National University of Kyiv; Volodymyrska Street 64 01601 Kyiv Ukraine
| | - Bohdan V. Vashchenko
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
- Taras Shevchenko National University of Kyiv; Volodymyrska Street 64 01601 Kyiv Ukraine
| | - Dmitriy M. Volochnyuk
- Institute of Organic Chemistry; National Academy of Sciences of Ukraine; Murmanska Street 5 02094 Kyiv Ukraine
- Taras Shevchenko National University of Kyiv; Volodymyrska Street 64 01601 Kyiv Ukraine
| | - Vitalina Levchenko
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
| | - Yurii V. Dmytriv
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
- Department of Chemical Technology; National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”; Peremohy Ave. 37 03056 Kyiv Ukraine
| | - Eduard B. Rusanov
- Institute of Organic Chemistry; National Academy of Sciences of Ukraine; Murmanska Street 5 02094 Kyiv Ukraine
| | - Alina O. Gorlova
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
- Institute of Organic Chemistry; National Academy of Sciences of Ukraine; Murmanska Street 5 02094 Kyiv Ukraine
| | - Sergey V. Ryabukhin
- Taras Shevchenko National University of Kyiv; Volodymyrska Street 64 01601 Kyiv Ukraine
| | - Oleksandr O. Grygorenko
- Enamine Ltd. (www.enamine.net); Chervonotkatska Street 78 02094 Kyiv Ukraine
- Taras Shevchenko National University of Kyiv; Volodymyrska Street 64 01601 Kyiv Ukraine
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14
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Liu CC, Yu CF, Wang SC, Li HY, Lin CM, Wang HH, Abate C, Chiang CS. Sigma-2 receptor/TMEM97 agonist PB221 as an alternative drug for brain tumor. BMC Cancer 2019; 19:473. [PMID: 31109310 PMCID: PMC6528305 DOI: 10.1186/s12885-019-5700-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 05/10/2019] [Indexed: 12/18/2022] Open
Abstract
Background There are limited effective drugs that can reach the brain to target brain tumors, in particular glioblastoma, which is one of the most difficult cancers to be cured from. Because the overexpression of the sigma-2 receptor is frequently reported in glioma clinical samples and associated with poor prognosis and malignancy, we herein studied the anti-tumor effect of the sigma-2 receptor agonist PB221 (4-cyclohexyl-1-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]piperidine) on an anaplastic astrocytoma tumor model based on previous encouraging results in pancreatic cancer and neuroblastoma SK-N-SH cells. Methods The expression of the sigma-2 receptor, transmembrane protein 97 (TMEM97), in ALTS1C1 and UN-KC6141 cell lines was measured by RT-PCR and quantitative RT-PCR. The binding of sigma-2 receptor fluorescent ligands PB385 (6-[5-[3-(4-cyclohexylpiperazin-1-yl)propyl]-5,6,7,8-tetrahydronaphthalen-5-yloxy]-N-(7-nitro-2,1,3-benzoxadiazol-4-yl)hexanamine) and NO1 (2-{6-[2-(3-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propyl)-3,4-dihydroisoquinolin-1(2H)-one-5-yloxy]hexyl}-5-(dimethylamino)isoindoline-1,3-dione) was examined by flow cytometry and the fluorescent plate reader. The antitumor activity of PB221 was initially examined in the murine brain tumor cell line ALTS1C1 and then in the murine pancreatic cell line UN-KC6141. The potential therapeutic efficacy of PB221 for murine brain tumors was examined by in vitro migration and invasion assays and in vivo ectopic and orthotopic ALTS1C1 tumor models. Results: The IC50 of PB221 for ALTS1C1 and UN-KC6141 cell lines was 10.61 ± 0.96 and 13.13 ± 1.15 μM, respectively. A low dose of PB221 (1 μM) significantly repressed the migration and invasion of ALTS1C1 cells, and a high dose of PB221 (20 μM) resulted in the apoptotic cell death of ALTS1C1 cells. These effects were reduced by the lipid antioxidant α-tocopherol, but not by the hydrophilic N-acetylcysteine, suggesting mitochondrial oxidative stress is involved. The in vivo study revealed that PB221 effectively retarded tumor growth to 36% of the control tumor volume in the ectopic intramuscular tumor model and increased the overall survival time by 20% (from 26 to 31 days) in the orthotopic intracerebral tumor model. Conclusions This study demonstrates that the sigma-2 receptor agonist PB221 has the potential to be an alternative chemotherapeutic drug for brain tumors with comparable side effects as the current standard-of-care drug, temozolomide. Electronic supplementary material The online version of this article (10.1186/s12885-019-5700-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chia-Chi Liu
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan.,Cardiovascular Center, Taichung Veterans General Hospital, Taichung, 40705, Taiwan
| | - Ching-Fang Yu
- Department of Radiation Oncology, Chang Gung Memorial Hospital Linkou Branch, Taoyuan, 33382, Taiwan
| | - Shu-Chi Wang
- Department of Medical Laboratory Science and Biotechnology, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Hsueh-Yin Li
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Chiu-Min Lin
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Hsia-Han Wang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy.
| | - Chi-Shiun Chiang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan. .,Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu, 30013, Taiwan. .,Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan.
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15
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Asong G, Zhu XY, Bricker B, Andey T, Amissah F, Lamango N, Ablordeppey SY. New analogs of SYA013 as sigma-2 ligands with anticancer activity. Bioorg Med Chem 2019; 27:2629-2636. [PMID: 30987780 DOI: 10.1016/j.bmc.2019.04.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 04/04/2019] [Accepted: 04/06/2019] [Indexed: 12/20/2022]
Abstract
Our previous study has revealed 4-(4-(4-chlorophenyl)-1,4-diazepan-1-yl)-1-(4-fluorophenyl)butan-1-one·2HCl (SYA013) 1 as a sigma ligand with moderate selectivity for the sigma-2 receptor. Given the overexpression of sigma receptors in solid tumors and reports of sigma ligands with anticancer activities, we selected 1 for evaluation in several solid tumor cell lines. In addition, we have synthesized new analogs of 1 and now report that several of them bind preferentially at the sigma-2 receptor and have shown inhibition of several cancer cell lines including MDA-MB-231, MDA-MB-486, A549, PC-3, MIA PaCa-2 and Panc-1 cells. In particular, compounds 1 and 12 have demonstrated sub-micromolar activity against the Panc-1 cell line. It has also been observed that several of these compounds demonstrate selective toxicity toward cancer cells, when compared to normal cells.
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Affiliation(s)
- Gladys Asong
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Xue Y Zhu
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Barbara Bricker
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Terrick Andey
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Felix Amissah
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Nazarius Lamango
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
| | - Seth Y Ablordeppey
- Division of Basic Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA
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16
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Al-Ghanim L, Zhu XY, Asong G, Ablordeppey SY. SYA 013 analogs as moderately selective sigma-2 (σ 2) ligands: Structure-affinity relationship studies. Bioorg Med Chem 2019; 27:2421-2426. [PMID: 30737135 DOI: 10.1016/j.bmc.2019.01.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/27/2019] [Accepted: 01/29/2019] [Indexed: 11/25/2022]
Abstract
Several lines of evidence suggest that selective sigma-2 (σ2) ligands might be useful for the treatment of solid tumors. However, very few selective σ2 ligands have been identified. This study was aimed at identifying new selective σ2 receptor ligands using a previously identified agent, SYA 013 as a lead. Four groups, homopiperazine, piperazine, tropane and selected oxime analogs of the homopiperazines were identified, synthesized and subsequently screened at the σ1 and σ2 receptors. The results demonstrate that these scaffolds can be modified to obtain selective σ2 receptor ligands. 1-(5-Chloropyridin-2-yl)-4-(3-((4-fluorophenyl)thio)propyl)-1,4-diazepane, 7 and 3-(4-chlorophenyl)-8-(3-((2-fluorophenyl)thio)propyl)-8-azabicyclo[3.2.1]octan-3-ol, 21 were identified as the highest binding affinity ligands (σ2Ki = 2.2 nM) and (4-(4-(5-chloropyridin-2-yl)-1,4-diazepan-1-yl)-1-(4-fluorophenyl)-butan-1-one oxime, 22 as a high affinity and the most selective ligand for the σ2 receptor (σ1Ki/σ2Ki = 41.8).
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Affiliation(s)
- Lamya Al-Ghanim
- Division of Basic Pharmaceutical Sciences, Florida A&M University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, USA
| | - Xue Y Zhu
- Division of Basic Pharmaceutical Sciences, Florida A&M University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, USA
| | - Gladys Asong
- Division of Basic Pharmaceutical Sciences, Florida A&M University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, USA
| | - Seth Y Ablordeppey
- Division of Basic Pharmaceutical Sciences, Florida A&M University, College of Pharmacy and Pharmaceutical Sciences, Tallahassee, FL 32307, USA.
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17
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Sigma-2 receptor: past, present and perspectives on multiple therapeutic exploitations. Future Med Chem 2018; 10:1997-2018. [DOI: 10.4155/fmc-2018-0072] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Identification of sigma-2 receptor (sig-2R) has been controversial. Nevertheless, interest in sig-2R is high for its overexpression in tumors and potentials in oncology. Additionally, sig-2R antagonists inhibit Aβ binding at neurons, blocking the cognitive impairments of Alzheimer's disease. The most representative classes of sig-2R ligands are herein treated with focus on compounds that served to study sig-2R biology and to produce sig-2R: fluorescent ligands; multifunctional anticancer agents; and targeting nanoparticles. Although fluorescent ligands serve as ‘green’ pharmacological tools, sig-2R-multifunctional conjugates and sig-2R-targeted nanoparticles show how sig-2R targeting increases the activity of anticancer drugs in tumors with reduced toxicity. Altogether, this review draws a picture of the multiple approaches of sig-2R ligands in cancer therapy and as Alzheimer's disease modifying disease agents.
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18
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Pati ML, Niso M, Spitzer D, Berardi F, Contino M, Riganti C, Hawkins WG, Abate C. Multifunctional thiosemicarbazones and deconstructed analogues as a strategy to study the involvement of metal chelation, Sigma-2 (σ 2) receptor and P-gp protein in the cytotoxic action: In vitro and in vivo activity in pancreatic tumors. Eur J Med Chem 2018; 144:359-371. [PMID: 29287249 PMCID: PMC5801006 DOI: 10.1016/j.ejmech.2017.12.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 11/17/2017] [Accepted: 12/07/2017] [Indexed: 10/18/2022]
Abstract
The aggressiveness of pancreatic cancer urgently requires more efficient treatment options. Because the sigma-2 (σ2) receptor was recently proposed as a promising target for pancreatic cancer therapy, we explored our previously developed multifunctional thiosemicarbazones, designed to synergistically impair cell energy levels, by targeting σ2 and P-gp proteins and chelating Iron. A deconstruction approach was herein applied by removing one function at a time from the potent multifunctional thiosemicarbazones 1 and 2, to investigate the contribution to cytotoxicity of each target involved. The results from in vitro (panel of pancreatic tumor cells) and in vivo experiments (C57BL/6 bearing KP02 tumor), suggest that while the multifunctional activity was not required for the antitumor activity of these thiosemicarbazones, σ2-targeting appeared to allow alternative tumor cell death mechanisms, leading to potent and less toxic off-targets toxicities compared to other thiosemicarbazones devoid of σ2-targeting.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B, Member 1/antagonists & inhibitors
- ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism
- Animals
- Antineoplastic Agents/chemical synthesis
- Antineoplastic Agents/chemistry
- Antineoplastic Agents/pharmacology
- Cell Death/drug effects
- Cell Proliferation/drug effects
- Cell Survival/drug effects
- Chelating Agents/chemical synthesis
- Chelating Agents/chemistry
- Chelating Agents/pharmacology
- Disease Models, Animal
- Dose-Response Relationship, Drug
- Drug Screening Assays, Antitumor
- Female
- Humans
- Mice
- Mice, Inbred C57BL
- Molecular Structure
- Neoplasms, Experimental/drug therapy
- Neoplasms, Experimental/metabolism
- Neoplasms, Experimental/pathology
- Pancreatic Neoplasms/drug therapy
- Pancreatic Neoplasms/metabolism
- Pancreatic Neoplasms/pathology
- Receptors, sigma/antagonists & inhibitors
- Receptors, sigma/metabolism
- Structure-Activity Relationship
- Thiosemicarbazones/chemical synthesis
- Thiosemicarbazones/chemistry
- Thiosemicarbazones/pharmacology
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Affiliation(s)
- Maria Laura Pati
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy; Department of Surgery, Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Dirk Spitzer
- Department of Surgery, Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Chiara Riganti
- Dipartimento di Oncologia, Università degli Studi di Torino, via Santena 5/bis, I-10153 Torino, Italy
| | - William G Hawkins
- Department of Surgery, Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy.
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19
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Synthesis, crystal structure and molecular docking studies of novel 2-(4-(4-substitutedphenylsulfonyl)piperazin-1-yl)quinolone-3-carbaldehyde derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-2981-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Georgiadis MO, Karoutzou O, Foscolos AS, Papanastasiou I. Sigma Receptor (σR) Ligands with Antiproliferative and Anticancer Activity. Molecules 2017; 22:E1408. [PMID: 28841173 PMCID: PMC6151391 DOI: 10.3390/molecules22091408] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 08/22/2017] [Accepted: 08/23/2017] [Indexed: 01/01/2023] Open
Abstract
Sigma receptor (σR) ligands have proven to be useful as cancer diagnostics and anticancer therapeutics and their ligands have been developed as molecular probes in oncology. Moreover, various σR ligands generate cancer cell death in vitro and in vivo. These σR ligands have exhibited promising results against numerous human and rodent cancers and are investigated under preclinical and clinical study trials, indicating a new category of drugs in cancer therapy.
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Affiliation(s)
- Markos-Orestis Georgiadis
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 15784 Athens, Greece.
| | - Olga Karoutzou
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 15784 Athens, Greece.
| | - Angeliki-Sofia Foscolos
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 15784 Athens, Greece.
| | - Ioannis Papanastasiou
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimioupoli-Zografou, 15784 Athens, Greece.
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21
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Alon A, Schmidt HR, Wood MD, Sahn JJ, Martin SF, Kruse AC. Identification of the gene that codes for the σ 2 receptor. Proc Natl Acad Sci U S A 2017; 114:7160-7165. [PMID: 28559337 PMCID: PMC5502638 DOI: 10.1073/pnas.1705154114] [Citation(s) in RCA: 197] [Impact Index Per Article: 28.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The σ2 receptor is an enigmatic protein that has attracted significant attention because of its involvement in diseases as diverse as cancer and neurological disorders. Unlike virtually all other receptors of medical interest, it has eluded molecular cloning since its discovery, and the gene that codes for the receptor remains unknown, precluding the use of modern biological methods to study its function. Using a chemical biology approach, we purified the σ2 receptor from tissue, revealing its identity as TMEM97, an endoplasmic reticulum-resident transmembrane protein that regulates the sterol transporter NPC1. We show that TMEM97 possesses the full suite of molecular properties that define the σ2 receptor, and we identify Asp29 and Asp56 as essential for ligand recognition. Cloning the σ2 receptor resolves a longstanding mystery and will enable therapeutic targeting of this potential drug target.
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Affiliation(s)
- Assaf Alon
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115
| | - Hayden R Schmidt
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115
| | - Michael D Wood
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712
| | - James J Sahn
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712
| | - Stephen F Martin
- Department of Chemistry, The University of Texas at Austin, Austin, TX 78712
| | - Andrew C Kruse
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115;
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22
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Pati ML, Hornick JR, Niso M, Berardi F, Spitzer D, Abate C, Hawkins W. Sigma-2 receptor agonist derivatives of 1-Cyclohexyl-4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]piperazine (PB28) induce cell death via mitochondrial superoxide production and caspase activation in pancreatic cancer. BMC Cancer 2017; 17:51. [PMID: 28086830 PMCID: PMC5237291 DOI: 10.1186/s12885-016-3040-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/23/2016] [Indexed: 11/30/2022] Open
Abstract
Background Despite considerable efforts by scientific research, pancreatic cancer is the fourth leading cause of cancer related mortalities. Sigma-2 receptors, which are overexpressed in several tumors, represent promising targets for triggering selective pancreatic cancer cells death. Methods We selected five differently structured high-affinity sigma-2 ligands (PB28, PB183, PB221, F281 and PB282) to study how they affect the viability of diverse pancreatic cancer cells (human cell lines BxPC3, AsPC1, Mia PaCa-2, and Panc1 and mouse Panc-02, KCKO and KP-02) and how this is reflected in vivo in a tumor model. Results Important cytotoxicity was shown by the compounds in the aggressive Panc02 cells, where cytotoxic activity was caspase-3 independent for four of the five compounds. However, both cytotoxicity and caspase-3 activation involved generation of Reactive Oxygen Species (ROS), which could be partially reverted by the lipid antioxidant α-tocopherol, but not by the hydrophilic N-acetylcysteine (NAC) indicating crucial differences in the intracellular sites exposed to oxidative stress induced by sigma-2 receptor ligands. Importantly, all the compounds strongly increased the production of mitochondrial superoxide radicals except for PB282. Despite a poor match between in vitro and the in vivo efficacy, daily treatment of C57BL/6 mice bearing Panc02 tumors resulted in promising effects with PB28 and PB282 which were similar compared to the current standard-of-care chemotherapeutic gemcitabine without showing signs of systemic toxicities. Conclusions Overall, this study identified differential sensitivities of pancreatic cancer cells to structurally diverse sigma-2 receptor ligands. Of note, we identified the mitochondrial superoxide pathway as a previously unrecognized sigma-2 receptor-activated process, which encourages further studies on sigma-2 ligand-mediated cancer cell death for the targeted treatment of pancreatic tumors.
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Affiliation(s)
- Maria Laura Pati
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy
| | - John R Hornick
- Department of Surgery, Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy
| | - Dirk Spitzer
- Department of Surgery, Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy.
| | - William Hawkins
- Department of Surgery, Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery, Washington University School of Medicine, St. Louis, MO, USA
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23
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Abstract
Sigma1 (also known as sigma-1 receptor, Sig1R, σ1 receptor) is a unique pharmacologically regulated integral membrane chaperone or scaffolding protein. The majority of publications on the subject have focused on the neuropharmacology of Sigma1. However, a number of publications have also suggested a role for Sigma1 in cancer. Although there is currently no clinically used anti-cancer drug that targets Sigma1, a growing body of evidence supports the potential of Sigma1 ligands as therapeutic agents to treat cancer. In preclinical models, compounds with affinity for Sigma1 have been reported to inhibit cancer cell proliferation and survival, cell adhesion and migration, tumor growth, to alleviate cancer-associated pain, and to have immunomodulatory properties. This review will highlight that although the literature supports a role for Sigma1 in cancer, several fundamental questions regarding drug mechanism of action and the physiological relevance of aberrant SIGMAR1 transcript and Sigma1 protein expression in certain cancers remain unanswered or only partially answered. However, emerging lines of evidence suggest that Sigma1 is a component of the cancer cell support machinery, that it facilitates protein interaction networks, that it allosterically modulates the activity of its associated proteins, and that Sigma1 is a selectively multifunctional drug target.
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Affiliation(s)
- Felix J Kim
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 North 15th Street, Philadelphia, PA, USA.
- Sidney Kimmel Cancer Center, Philadelphia, PA, USA.
| | - Christina M Maher
- Department of Pharmacology and Physiology, Drexel University College of Medicine, 245 North 15th Street, Philadelphia, PA, USA
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24
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Abate C, Riganti C, Pati ML, Ghigo D, Berardi F, Mavlyutov T, Guo LW, Ruoho A. Development of sigma-1 (σ1) receptor fluorescent ligands as versatile tools to study σ1 receptors. Eur J Med Chem 2016; 108:577-585. [PMID: 26717207 PMCID: PMC4755300 DOI: 10.1016/j.ejmech.2015.12.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 12/02/2015] [Accepted: 12/09/2015] [Indexed: 11/16/2022]
Abstract
Despite their controversial physiology, sigma-1 (σ1) receptors are intriguing targets for the development of therapeutic agents for central nervous system diseases. With the aim of providing versatile pharmacological tools to study σ1 receptors, we developed three σ1 fluorescent tracers by functionalizing three well characterized σ1 ligands with a fluorescent tag. A good compromise between σ1 binding affinity and fluorescent properties was reached, and the σ1 specific targeting of the novel tracers was demonstrated by confocal microscopy and flow cytometry. These novel ligands were also successfully used in competition binding studies by flow cytometry, showing their utility in nonradioactive binding assays as an alternative strategy to the more classical radioligand binding assays. To the best of our knowledge these are the first σ1 fluorescent ligands to be developed and successfully employed in living cells, representing promising tools to strengthen σ1 receptors related studies.
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Affiliation(s)
- Carmen Abate
- Dipartimento di Farmacia-Scienze Del Farmaco, Università Degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy.
| | - Chiara Riganti
- Department of Oncology, University of Turin, Via Santena 5/bis, 10126, Torino, Italy
| | - Maria Laura Pati
- Dipartimento di Farmacia-Scienze Del Farmaco, Università Degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy
| | - Dario Ghigo
- Department of Oncology, University of Turin, Via Santena 5/bis, 10126, Torino, Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze Del Farmaco, Università Degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125, Bari, Italy
| | - Timur Mavlyutov
- Department of Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, USA
| | - Lian-Wang Guo
- Department of Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, USA
| | - Arnold Ruoho
- Department of Neuroscience, School of Medicine and Public Health, University of Wisconsin, Madison, USA
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25
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Niso M, Pati ML, Berardi F, Abate C. Rigid versus flexible anilines or anilides confirm the bicyclic ring as the hydrophobic portion for optimal σ2 receptor binding and provide novel tools for the development of future σ2 receptor PET radiotracers. RSC Adv 2016. [DOI: 10.1039/c6ra15783a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Despite their uncertain identification, σ2 receptors are promising targets for the development of diagnostics and therapeutics for tumor diseases.
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Affiliation(s)
- Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
| | - Maria Laura Pati
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
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26
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Abate C, Niso M, Infantino V, Menga A, Berardi F. Elements in support of the ‘non-identity’ of the PGRMC1 protein with the σ2 receptor. Eur J Pharmacol 2015; 758:16-23. [DOI: 10.1016/j.ejphar.2015.03.067] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 03/23/2015] [Accepted: 03/25/2015] [Indexed: 10/23/2022]
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27
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Niso M, Riganti C, Pati ML, Ghigo D, Berardi F, Abate C. Novel and Selective Fluorescent σ2 -Receptor Ligand with a 3,4-Dihydroisoquinolin-1-one Scaffold: A Tool to Study σ2 Receptors in Living Cells. Chembiochem 2015; 16:1078-83. [PMID: 25757101 DOI: 10.1002/cbic.201402712] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Indexed: 11/11/2022]
Abstract
Although sigma-2 (σ2 ) receptors are still enigmatic proteins, they are promising targets for tumor treatment and diagnosis. With the aim of clarifying their role in oncology, we developed a σ2 -selective fluorescent tracer (compound 5) as a specific tool to study σ2 receptors. By using flow cytometry with 5, we performed competition binding studies on three different cell lines where we also detected the content of the σ2 receptors, avoiding the inconvenient use of radioligands. Comparison with a previously developed mixed σ1 /σ2 fluorescent tracer (1) also allowed for the detection of σ1 receptors within these cells. Results obtained by flow cytometry with tracers 1 and 5 were confirmed by standard methods (western blot for σ1 , and Scatchard analysis for σ2 receptors). Thus, we have produced powerful new tools for research on the σ whose reliability and adaptability to a number of fluorescence techniques will be useful to elucidate the roles of σ receptors in oncology.
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Affiliation(s)
- Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Via Orabona, 4. 70125 Bari (Italy)
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28
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Xu R, Lord SA, Peterson RM, Fergason-Cantrell EA, Lever JR, Lever SZ. Ether modifications to 1-[2-(3,4-dimethoxyphenyl)ethyl]-4-(3-phenylpropyl)piperazine (SA4503): effects on binding affinity and selectivity for sigma receptors and monoamine transporters. Bioorg Med Chem 2015; 23:222-30. [PMID: 25468036 PMCID: PMC4274187 DOI: 10.1016/j.bmc.2014.11.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 10/25/2014] [Accepted: 11/04/2014] [Indexed: 11/22/2022]
Abstract
Two series of novel ether analogs of the sigma (σ) receptor ligand 1-[2-(3,4-dimethoxyphenyl)ethyl]-4-(3-phenylpropyl)piperazine (SA4503) have been prepared. In one series, the alkyl portion of the 4-methoxy group was replaced with allyl, propyl, bromoethyl, benzyl, phenethyl, and phenylpropyl moieties. In the second series, the 3,4-dimethoxy was replaced with cyclic methylenedioxy, ethylenedioxy and propylenedioxy groups. These ligands, along with 4-O-des-methyl SA4503, were evaluated for σ1 and σ2 receptor affinity, and compared to SA4503 and several known ether analogs. SA4503 and a subset of ether analogs were also evaluated for dopamine transporter (DAT) and serotonin transporter (SERT) affinity. The highest σ1 receptor affinities, Ki values of 1.75-4.63 nM, were observed for 4-O-des-methyl SA4503, SA4503 and the methylenedioxy analog. As steric bulk increased, σ1 receptor affinity decreased, but only to a point. Allyl, propyl and bromoethyl substitutions gave σ1 receptor Ki values in the 20-30 nM range, while bulkier analogs having phenylalkyl, and Z- and E-iodoallyl, ether substitutions showed higher σ1 affinities, with Ki values in the 13-21 nM range. Most ligands studied exhibited comparable σ1 and σ2 affinities, resulting in little to no subtype selectivity. SA4503, the fluoroethyl analog and the methylenedioxy congener showed modest six- to fourteen-fold selectivity for σ1 sites. DAT and SERT interactions proved much more sensitive than σ receptor interactions to these structural modifications. For example, the benzyl congener (σ1Ki=20.8 nM; σ2Ki=16.4 nM) showed over 100-fold higher DAT affinity (Ki=121 nM) and 6-fold higher SERT affinity (Ki=128nM) than the parent SA4503 (DAT Ki=12650 nM; SERT Ki=760 nM). Thus, ether modifications to the SA4503 scaffold can provide polyfunctional ligands having a broader spectrum of possible pharmacological actions.
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Affiliation(s)
- Rong Xu
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
| | - Sarah A Lord
- Department of Radiology, University of Missouri, Columbia, MO 65212, USA; Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - Ryan M Peterson
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA
| | - Emily A Fergason-Cantrell
- Department of Radiology, University of Missouri, Columbia, MO 65212, USA; Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - John R Lever
- Department of Radiology, University of Missouri, Columbia, MO 65212, USA; Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA.
| | - Susan Z Lever
- Department of Chemistry, University of Missouri, Columbia, MO 65211, USA; Department of MU Research Reactor Center, University of Missouri, Columbia, MO 65211, USA.
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29
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Pati ML, Niso M, Ferorelli S, Abate C, Berardi F. Novel metal chelators thiosemicarbazones with activity at the σ2receptors and P-glycoprotein: an innovative strategy for resistant tumor treatment. RSC Adv 2015. [DOI: 10.1039/c5ra19857g] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Novel multitarget thiosemicarbazones that bind simultaneously σ2receptors and P-glycoprotein efflux pump and chelate metals were designed for resistant tumors treatment.
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Affiliation(s)
- Maria Laura Pati
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
- Division of Hepatobiliary, Pancreatic, and Gastrointestinal Surgery
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
| | - Savina Ferorelli
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco
- Università degli Studi di Bari ALDO MORO
- I-70125 Bari
- Italy
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30
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Schininà B, Martorana A, Colabufo NA, Contino M, Niso M, Perrone MG, De Guidi G, Catalfo A, Rappazzo G, Zuccarello E, Prezzavento O, Amata E, Rescifina A, Marrazzo A. 4-Nitro-2,1,3-benzoxadiazole derivatives as potential fluorescent sigma receptor probes. RSC Adv 2015. [DOI: 10.1039/c5ra08639f] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
New fluorescent derivatives forσreceptors were designed and synthesized.
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Affiliation(s)
- Barbara Schininà
- Department of Drug Sciences
- University of Catania
- 95125 Catania
- Italy
| | - Andrea Martorana
- Department of Drug Sciences
- University of Catania
- 95125 Catania
- Italy
| | | | | | - Mauro Niso
- Department of Pharmacy
- University of Bari “A. Moro”
- 70125 Bari
- Italy
| | | | - Guido De Guidi
- Department of Chemical Sciences
- University of Catania
- 95125 Catania
- Italy
| | - Alfio Catalfo
- Department of Chemical Sciences
- University of Catania
- 95125 Catania
- Italy
| | - Giancarlo Rappazzo
- Department of Biological
- Geological and Environmental Sciences – Division of Animal Biology
- University of Catania
- 95124 Catania
- Italy
| | - Elisa Zuccarello
- Department of Drug Sciences
- University of Catania
- 95125 Catania
- Italy
| | | | - Emanuele Amata
- Department of Drug Sciences
- University of Catania
- 95125 Catania
- Italy
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31
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Pati ML, Abate C, Contino M, Ferorelli S, Luisi R, Carroccia L, Niso M, Berardi F. Deconstruction of 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline moiety to separate P-glycoprotein (P-gp) activity from σ2 receptor affinity in mixed P-gp/σ2 receptor agents. Eur J Med Chem 2014; 89:691-700. [PMID: 25462276 DOI: 10.1016/j.ejmech.2014.11.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 10/15/2014] [Accepted: 11/01/2014] [Indexed: 12/01/2022]
Abstract
6,7-Dimethoxytetrahydroisoquinoline is widely used as basic moiety in σ2 receptor ligands, in order to provide σ2versus σ1 selectivity. This same moiety is also widely exploited in modulators of P-glycoprotein (P-gp) efflux pump, so that mixed σ2/P-gp agents are often obtained. Deconstruction of 6,7-dimethoxytetrahydroisoquinoline moiety present in the potent mixed σ2/P-gp agent 6,7-dimethoxy-2-[4-[1-(4-fluorophenyl)-1H-indol-3-yl]butyl]-1,2,3,4-tetrahydroisoquinoline (1) could lead to the separation of σ2 affinity from P-gp activity. Therefore, phenethylamino-, benzylamino- and indanamine series were obtained. The NH group was also methylated in the N-phenethylamino series, and ethylated in the benzylamino series, to better match 6,7-dimethoxytetrahydroisoquinoline. The σ2 affinity drastically decreased with the increase of conformational freedom, whereas alkylation of the NH-group was beneficial for σ2 receptor interaction. By contrast, deconstruction of 6,7-dimethoxytetrahydroisoquinoline slightly reduced P-gp activity, with dimethoxy-substituted derivatives displaying potent P-gp interaction. Therefore, 'ring-opened' 6,7-dimethoxytetrahydroisoquinoline derivatives represent a promising strategy to obtain P-gp selective agents devoid of σ2 receptor affinity.
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Affiliation(s)
- Maria Laura Pati
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
| | - Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy.
| | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
| | - Savina Ferorelli
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
| | - Renzo Luisi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
| | - Laura Carroccia
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy
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32
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Abate C, Pati ML, Contino M, Colabufo NA, Perrone R, Niso M, Berardi F. From mixed sigma-2 receptor/P-glycoprotein targeting agents to selective P-glycoprotein modulators: small structural changes address the mechanism of interaction at the efflux pump. Eur J Med Chem 2014; 89:606-15. [PMID: 25462269 DOI: 10.1016/j.ejmech.2014.10.082] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 10/27/2014] [Accepted: 10/29/2014] [Indexed: 11/15/2022]
Abstract
Generations of modulators of the efflux pump P-glycoprotein (P-gp) have been produced as tools to counteract the Multidrug Resistance (MDR) phenomenon in tumor therapy, but clinical trials were not successful so far. With the aim of contributing to the development of novel P-gp modulators, we started from recently studied high-affinity sigma-2 (σ2) receptor ligands that showed also potent interaction with P-gp. For σ2 receptors high-affinity binding, a basic N-atom is a strict requirement. Therefore, we reduced the basic character of the N-atom present in these ligands, and we obtained potent P-gp modulators with poor or null σ2 receptor affinity. We also evaluated whether modulation of P-gp by these novel compounds involved consumption of ATP (as P-gp substrates do), as a source of energy to support the efflux. Surprisingly, even small structural changes resulted in opposite behavior, with amide 13 depleting ATP, in contrast to its isomer 18. Two compounds, 15 and 25, emerged for their potent activity at P-gp, and deserve further investigations as tools for P-gp modulation.
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Affiliation(s)
- Carmen Abate
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy.
| | - Maria Laura Pati
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Marialessandra Contino
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Nicola Antonio Colabufo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Roberto Perrone
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
| | - Francesco Berardi
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, I-70125 Bari, Italy
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Huang K, Guan ZH, Zhang X. Synthesis of chiral cyclic β-amino ketones by Ru-catalyzed asymmetric hydrogenation. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2013.10.093] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Zeng C, Rothfuss JM, Zhang J, Vangveravong S, Chu W, Li S, Tu Z, Xu J, Mach RH. Functional assays to define agonists and antagonists of the sigma-2 receptor. Anal Biochem 2013; 448:68-74. [PMID: 24333652 DOI: 10.1016/j.ab.2013.12.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Revised: 11/15/2013] [Accepted: 12/06/2013] [Indexed: 10/25/2022]
Abstract
The sigma-2 receptor has been identified as a biomarker in proliferating tumors. To date there is no well-established functional assay for defining sigma-2 agonists and antagonists. Many sigma-2 ligands with diverse structures have been shown to induce cell death in a variety of cancer cells by triggering caspase-dependent and independent apoptosis. Therefore, in the current study, we used the cell viability assay and the caspase-3 activity assay to determine sigma-2 agonists and antagonists. Three classes of sigma-2 ligands developed in our laboratory were evaluated for their potency to induce cell death in two tumor cell lines, mouse breast cancer cell line EMT-6 and human melanoma cell line MDA-MB-435. The data showed that the EC50 values of the sigma-2 ligands using the cell viability assay ranged from 11.4μM to >200μM, which were comparable with the EC50 values obtained using the caspase-3 assay. Based on the cytotoxicity of a sigma-2 ligand relative to that of siramesine, a commonly accepted sigma-2 agonist, we have categorized our sigma-2 ligands into agonists, partial agonists, and antagonists. The establishment of functional assays for defining sigma-2 agonists and antagonists will facilitate functional characterization of sigma-2 receptor ligands and sigma-2 receptors.
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Affiliation(s)
- Chenbo Zeng
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA.
| | - Justin M Rothfuss
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Jun Zhang
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Suwanna Vangveravong
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Wenhua Chu
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Shihong Li
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Zhude Tu
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Jinbin Xu
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
| | - Robert H Mach
- Department of Radiology, Division of Radiological Sciences, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA; Department of Cell Biology and Physiology, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA; Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, 510 S. Kingshighway Blvd., St. Louis, MO 63110, USA
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Niso M, Abate C, Contino M, Ferorelli S, Azzariti A, Perrone R, Colabufo NA, Berardi F. Sigma-2 receptor agonists as possible antitumor agents in resistant tumors: hints for collateral sensitivity. ChemMedChem 2013; 8:2026-35. [PMID: 24106081 DOI: 10.1002/cmdc.201300291] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 09/06/2013] [Indexed: 11/12/2022]
Abstract
With the aim of contributing to the development of novel antitumor agents, high-affinity σ2 receptor agonists were developed, with 6,7-dimethoxy-2-[4-[1-(4-fluorophenyl)-1H-indol-3-yl]butyl]-1,2,3,4-tetrahydroisoquinoline (15) and 9-[4-(6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)butyl]-9H-carbazole (25) showing exceptional selectivity for the σ2 subtype. Most of the compounds displayed notable antiproliferative activity in human MCF7 breast adenocarcinoma cells, with similar activity in the corresponding doxorubicin-resistant MCF7adr cell line. Surprisingly, a few compounds, including 25, displayed enhanced activity in MCF7adr cells over parent cells, recalling the phenomenon of collateral sensitivity, which is under study for the treatment of drug-resistant tumors. All of the compounds showed interaction with P-glycoprotein (P-gp), and 15 and 25, with the greatest activity, were able to revert P-gp-mediated resistance and reestablish the antitumor effect of doxorubicin in MCF7adr cells. We therefore identified a series of σ2 receptor agonists endowed with intriguing antitumor properties; these compounds deserve further investigation for the development of alternate strategies against multidrug- resistant cancers.
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Affiliation(s)
- Mauro Niso
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari ALDO MORO, Via Orabona 4, 70125 Bari (Italy)
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Huang YS, Lu HL, Zhang LJ, Wu Z. Sigma-2 receptor ligands and their perspectives in cancer diagnosis and therapy. Med Res Rev 2013; 34:532-66. [PMID: 23922215 DOI: 10.1002/med.21297] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The sigma-2 receptor is highly expressed in various rapidly proliferating cancer cells and regarded as a cancer cell biomarker. Selective sigma-2 ligands have been shown to specifically label the tumor sites, induce cancer cells to undergo apoptosis, and inhibit tumor growth. Sigma-2 ligands are potentially useful as cancer diagnostics, anticancer therapeutics, or adjuvant anticancer treatment agents. However, both the cloning of this receptor and the identification of its endogenous ligand have not been successful, and the lack of structural information has severely hindered the understanding of its physiological roles, its signaling pathways, and the development of more selective sigma-2 ligands. Recent data have implicated that sigma-2 binding sites are within the lipid rafts and that PGRMC1 (progesterone receptor membrane component 1) complex and sigma-2 receptor may be coupled with EGFR (epidermal growth factor receptor), mTOR (mammalian target of rapamycin), caspases, and ion channels. Due to its promising applications in cancer management, there are rapidly increasing research efforts that are being directed into this field. This review article updates the current understanding of sigma-2 receptor and its potential physiological roles, applications, interaction with other effectors, with special focuses on the development of sigma-2 ligands, their chemical structures, pharmacological profiles, applications in imaging and anticancer therapy.
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Affiliation(s)
- Yun-Sheng Huang
- School of Pharmacy, Guangdong Medical College, 1 Xincheng Ave, Songshan Lake Technology Park, Dongguan, Guangdong, 523808, China
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Mach RH, Zeng C, Hawkins WG. The σ2 receptor: a novel protein for the imaging and treatment of cancer. J Med Chem 2013; 56:7137-60. [PMID: 23734634 DOI: 10.1021/jm301545c] [Citation(s) in RCA: 120] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The σ2 receptor is an important target for the development of molecular probes in oncology because of its 10-fold higher density in proliferating tumor cells compared with that in quiescent tumor cells and because of the observation that σ2 receptor agonists are able to kill tumor cells via apoptotic and nonapoptotic mechanisms. Although recent evidence indicates that the σ2 receptor binding site is localized within the progesterone receptor membrane component 1 (PGRMC1), most information regarding this protein has been obtained using either radiolabeled or fluorescent receptor-based probes and from biochemical analysis of the effect of σ2 selective ligands on cells grown in culture. This article reviews the development of σ2 receptor ligands and presents an overview of how they have been used in vitro and in vivo to increase our understanding of the role of the σ2 receptor in cancer and proliferation.
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Affiliation(s)
- Robert H Mach
- Mallinckrodt Institute of Radiology and ‡Department of Surgery, Washington University School of Medicine , St. Louis, Missouri 63110, United States
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Abate C, Ferorelli S, Niso M, Lovicario C, Infantino V, Convertini P, Perrone R, Berardi F. 2-Aminopyridine Derivatives as Potential σ2Receptor Antagonists. ChemMedChem 2012; 7:1847-57. [DOI: 10.1002/cmdc.201200246] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 07/20/2012] [Indexed: 11/06/2022]
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Arylamides hybrids of two high-affinity σ2 receptor ligands as tools for the development of PET radiotracers. Eur J Med Chem 2011; 46:4733-41. [DOI: 10.1016/j.ejmech.2011.05.057] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 05/19/2011] [Accepted: 05/23/2011] [Indexed: 11/17/2022]
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40
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Abate C, Niso M, Contino M, Colabufo NA, Ferorelli S, Perrone R, Berardi F. 1-Cyclohexyl-4-(4-arylcyclohexyl)piperazines: Mixed σ and human Δ(8)-Δ(7) sterol isomerase ligands with antiproliferative and P-glycoprotein inhibitory activity. ChemMedChem 2011; 6:73-80. [PMID: 21069657 DOI: 10.1002/cmdc.201000371] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Many new chemotherapeutic agents are under preclinical investigation and, despite efforts to more selectively target cancer cells, limitations such as toxicity and inherent resistance are often encountered. Therefore, alternative strategies are needed to treat cancer and overcome such limitations. We describe novel cyclohexylpiperazine derivatives, designed as mixed affinity ligands for sigma (σ) receptors and human Δ₈-Δ₇ sterol isomerase (HSI) ligands, which also exhibit P-glycoprotein (P-gp) inhibitory activity, with the aim of exploiting the antiproliferative effects mediated by σ and HSI sites while overcoming P-gp-mediated resistance. All of the compounds displayed high affinities for σ receptors and HSI sites, P-gp inhibitory activity, and σ₂ receptor agonist antiproliferative activity. Antiproliferative activity was also tested in PC-3 cells to establish σ₁ and HSI contribution. Compound cis-11, which displayed the best antiproliferative and P-gp inhibitory activities, was co-administered with 0.1 μM doxorubicin in MDCK-MDR1 cells. Compound cis-11 caused 70 % and 90 % cell death when co-administered at 30 μM and 50 μm, respectively. When administered alone, cis-11 resulted in 50 % cell death, demonstrating its single agent antitumor properties in a tumor cell line overexpressing P-gp.
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Affiliation(s)
- Carmen Abate
- Dipartimento Farmacochimico, Università degli Studi di Bari ALDO MORO, Italy.
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Abate C, Niso M, Lacivita E, Mosier PD, Toscano A, Perrone R. Analogues of σ receptor ligand 1-cyclohexyl-4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]piperazine (PB28) with added polar functionality and reduced lipophilicity for potential use as positron emission tomography radiotracers. J Med Chem 2011; 54:1022-32. [PMID: 21229979 DOI: 10.1021/jm1013133] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
1-Cyclohexyl-4-[3-(5-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)propyl]piperazine 1 (PB28) represents an excellent lead candidate for therapeutic and/or diagnostic applications in oncology. However, because its utility is limited by its relatively high degree of lipophilicity, novel analogues of 1 with reduced lipophilic character were designed by substituting methylene groups with more polar functional groups in the propylene linker and at the tetralin C4 position. For the chiral analogues, separate enantiomers exhibited substantial and roughly equal affinities within a given receptor subtype, with the greatest difference observed for compound 9 at σ(1) (7.5-fold; (-)-(S)-9 K(i) = 94.6 nM, (+)-(R)-9 K(i) = 12.6 nM). Compound (-)-(S)-9 was also found to be the most σ(2)-selective agent (σ(2) K(i) = 5.92 nM), to possess a lipophilicity consistent with entry into tumor cells (log D(7.4) = 2.38), and to show minimal antiproliferative activity. However, (-)-(S)-9 exhibited moderate activity (EC(50) = 8.1 μM) at the P-gp efflux pump.
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Affiliation(s)
- Carmen Abate
- Dipartimento Farmacochimico, Università degli Studi di Bari Aldo Moro, Via Orabona 4, I-70125 Bari, Italy.
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